This publication provides a concise compilation of selected rules in the Eurocode 8, together with relevant Cyprus National Annex, that relate to the design of common forms of concrete building structure in the South Europe. Rules from EN 1998-1-1 for global analysis, regularity criteria, type of analysis and verification checks are presented. Detail design rules for concrete beam, column and shear wall, from EN 1998-1-1 and EN1992-1-1 are presented. This guide covers the design of orthodox members in concrete frames. It does not cover design rules for steel frames. Certain practical limitations are given to the scope.
This publication provides a concise compilation of selected rules in the Eurocode 8, together with relevant Cyprus National Annex, that relate to the design of common forms of concrete building structure in the South Europe. It id offers a detail view of the design of steel framed buildings to the structural Eurocodes and includes a set of worked examples showing the design of structural elements with using software (CSI ETABS). It is intended to be of particular to the people who want to become acquainted with design to the Eurocodes. Rules from EN 1998-1-1 for global analysis, type of analysis and verification checks are presented. Detail design rules for steel composite beam, steel column, steel bracing and composite slab with steel sheeting from EN 1998-1-1, EN1993-1-1 and EN1994-1-1 are presented. This guide covers the design of orthodox members in steel frames. It does not cover design rules for regularities. Certain practical limitations are given to the scope.
This document provides an overview of modeling a three-story L-shaped concrete building in ETABS. Key steps include generating grids, drawing wall objects to form bays, modeling an elevator core using fine grid snapping, assigning properties like slab thickness and loads, and performing both static and earthquake analysis according to UBC97 code. The example demonstrates ETABS capabilities for integrated object-based modeling of concrete structures with features like automatic load transfer, shear wall design, and modeling of floor diaphragms and cores.
Composite structures of steel and concretePashtoon Khan
This document provides an introduction and overview of composite structures made of steel and concrete. It discusses beams, slabs, columns, and frames for buildings. Specifically, it covers shear connection between steel and concrete, analysis and design methods, and worked examples for composite slabs, beams, columns, and frames. The design methods presented are based on the Eurocode standards for composite steel-concrete structures.
The document provides a 7 step process for modeling a structure in ETABS according to Eurocodes, including:
1) Specifying material properties for concrete.
2) Adding frame sections for columns and beams.
3) Defining slab and wall properties.
4) Specifying the response spectrum function.
5) Adding load cases.
6) Defining equivalent static analysis and load combinations.
7) Specifying the modal response spectrum analysis.
This publication provides a concise compilation of selected rules in the Eurocode 8 Part 1 & 3, together with relevant Cyprus National Annex, that relate to the seismic design of common forms of concrete building structure in the South Europe. Rules from EN 1998-3 for global analysis, type of analysis and verification checks are presented. Detail design check rules for concrete beam, column and shear wall, from EN 1998-3 are also presented. This guide covers the assessment of orthodox members in concrete frames. It does not cover design rules for steel frames. Certain practical limitations are given to the scope.
Due to time constraints and knowledge, I may not be able to address the whole issues.
Please send me your suggestions for improvement. Anyone interested to share his/her knowledge or willing to contribute either totally a new section about Eurocode 8-3 or within this section is encouraged.
W 1 single-storey steel-frames_structuresMihai Pancu
The document provides an outline for a lecture on structural forms of steel frames and structural actions and transmission of loading in single-storey steel frame structures. It discusses the typical elements of single-storey steel frames including the main structural forms, secondary elements, and cladding systems. It also covers the classification of structural actions according to Eurocode standards and how loads are transmitted from the cladding to the main steel frames.
This publication provides a concise compilation of selected rules in the Eurocode 8, together with relevant Cyprus National Annex, that relate to the design of common forms of concrete building structure in the South Europe. Rules from EN 1998-1-1 for global analysis, regularity criteria, type of analysis and verification checks are presented. Detail design rules for concrete beam, column and shear wall, from EN 1998-1-1 and EN1992-1-1 are presented. This guide covers the design of orthodox members in concrete frames. It does not cover design rules for steel frames. Certain practical limitations are given to the scope.
This publication provides a concise compilation of selected rules in the Eurocode 8, together with relevant Cyprus National Annex, that relate to the design of common forms of concrete building structure in the South Europe. It id offers a detail view of the design of steel framed buildings to the structural Eurocodes and includes a set of worked examples showing the design of structural elements with using software (CSI ETABS). It is intended to be of particular to the people who want to become acquainted with design to the Eurocodes. Rules from EN 1998-1-1 for global analysis, type of analysis and verification checks are presented. Detail design rules for steel composite beam, steel column, steel bracing and composite slab with steel sheeting from EN 1998-1-1, EN1993-1-1 and EN1994-1-1 are presented. This guide covers the design of orthodox members in steel frames. It does not cover design rules for regularities. Certain practical limitations are given to the scope.
This document provides an overview of modeling a three-story L-shaped concrete building in ETABS. Key steps include generating grids, drawing wall objects to form bays, modeling an elevator core using fine grid snapping, assigning properties like slab thickness and loads, and performing both static and earthquake analysis according to UBC97 code. The example demonstrates ETABS capabilities for integrated object-based modeling of concrete structures with features like automatic load transfer, shear wall design, and modeling of floor diaphragms and cores.
Composite structures of steel and concretePashtoon Khan
This document provides an introduction and overview of composite structures made of steel and concrete. It discusses beams, slabs, columns, and frames for buildings. Specifically, it covers shear connection between steel and concrete, analysis and design methods, and worked examples for composite slabs, beams, columns, and frames. The design methods presented are based on the Eurocode standards for composite steel-concrete structures.
The document provides a 7 step process for modeling a structure in ETABS according to Eurocodes, including:
1) Specifying material properties for concrete.
2) Adding frame sections for columns and beams.
3) Defining slab and wall properties.
4) Specifying the response spectrum function.
5) Adding load cases.
6) Defining equivalent static analysis and load combinations.
7) Specifying the modal response spectrum analysis.
This publication provides a concise compilation of selected rules in the Eurocode 8 Part 1 & 3, together with relevant Cyprus National Annex, that relate to the seismic design of common forms of concrete building structure in the South Europe. Rules from EN 1998-3 for global analysis, type of analysis and verification checks are presented. Detail design check rules for concrete beam, column and shear wall, from EN 1998-3 are also presented. This guide covers the assessment of orthodox members in concrete frames. It does not cover design rules for steel frames. Certain practical limitations are given to the scope.
Due to time constraints and knowledge, I may not be able to address the whole issues.
Please send me your suggestions for improvement. Anyone interested to share his/her knowledge or willing to contribute either totally a new section about Eurocode 8-3 or within this section is encouraged.
W 1 single-storey steel-frames_structuresMihai Pancu
The document provides an outline for a lecture on structural forms of steel frames and structural actions and transmission of loading in single-storey steel frame structures. It discusses the typical elements of single-storey steel frames including the main structural forms, secondary elements, and cladding systems. It also covers the classification of structural actions according to Eurocode standards and how loads are transmitted from the cladding to the main steel frames.
Economic Concrete Frame Elements to Eurocode 2Yusuf Yıldız
Eurocode 2'ye göre betonarme çerçeve elemanlarının ekonomik tasarımlarını ele alan dokümanın içerisinde yerinde dökülen, prekast, kompozit, ardgerme kolonlar, kirişler, döşemeler, perdeler ve merdivenlerin tasarımlarına dair bilgiler yer almakta.
The document discusses structural steel construction, including the various methods used such as beam and column construction, long span construction, and wall bearing construction. It describes the common structural steel members like columns, beams, joists, and trusses that are erected and secured together using fastening systems like bolts and welds to form the structural framework. Details provided on erection plans guide the fabrication and installation of the different steel components.
The document provides information on structural design basis according to EN1990:2002, including:
1. Design working life categories ranging from 10 to 100 years depending on the structure type.
2. Ultimate limit state concerns safety of people, structure, and contents. Design situations include persistent, transient, accidental, and seismic.
3. Ultimate limit state verifications include loss of equilibrium, internal failure, excessive ground deformation, and fatigue failure.
4. Combination factors and partial factors for actions are provided for ultimate limit state design.
This document discusses design wind load and terminology according to Indian standard code IS 875 (III). It defines key terms like angle of attack, breadth, depth, developed height, effective frontal area, element surface area, force coefficient, gust, peak gust, fetch length, gradient height, pressure coefficient, suction, velocity profile, and topography. It also covers how to calculate design wind speed based on risk coefficient and terrain/height/structure size factor, and how to determine design wind pressure and force coefficients to calculate total wind load on a structure.
This document provides an introduction and overview of the structural design considerations for tall buildings. It discusses how mankind has sought to build taller structures throughout history as symbols of power. For tall buildings, lateral loads from wind and earthquakes must be effectively resisted to prevent shear failure, overturning, or excessive deflection. Various lateral load resisting systems are explored, including moment frames, braced frames, tube structures, and outrigger systems. Rigidity indices are used to compare the bending and shear resistance of different structural configurations. The challenges of seismic design are also addressed. The document reviews previous research on improving the performance of reinforced concrete frames through the addition of bracing or shear walls.
Connections are devices used to join structural elements together to safely transfer forces between them. There are different types of connections classified by their means of connection, such as welded, riveted, and bolted, and by the forces transferred, such as truss connections, fully restrained connections, and partially restrained connections. Fully restrained connections provide continuity between structural members and allow over 90% of moment to be transferred to provide greater flexural resistance. Partially restrained connections have less rigidity than fully restrained connections and allow some percentage of moment and full shear to be transferred. Semi-rigid connections provide rigidity between fully restrained and simple connections and transfer approximately 20-90% of moment.
Tính toán tải trọng Gió cho Nhà cao tầng theo TCVNHồ Việt Hùng
Tải trọng gió theo Tiêu chuẩn Việt Nam được trình bày trong TCVN 2737:1995 và TCXD 229:1999. Quy trình tính toán thành phần động của tải trọng gió được trình bày trong TCXD 229:1999, tuy nhiên quy trình này khá rắc rối, gây nhiều khó khăn khi thực hành. Bài viết này trình bày tóm tắt việc tính toán tải trọng gió theo TCVN, trong đó có đề cập đến quy đình đơn giản để tính toán thành phần động của tải trọng gió. Nội dung bài viết chỉ xét đến thành phần nằm ngang, và cùng phương với phương gió thổi.
The document provides step-by-step instructions for modeling, analyzing, and designing a 10-story reinforced concrete building using ETABS. It defines the material properties, section properties, load cases, and equivalent lateral force parameters. The steps include starting a new model, defining section properties for beams, columns, slabs, and walls, assigning the sections, defining load cases, and specifying the analysis and design procedures.
The document discusses the history and development of steel as a building material. It describes how early iron extraction methods led to wrought iron with low strength, and how later techniques on like the Bessemer process improved steel production. Major historical structures that demonstrated the growing use of iron and steel in construction are highlighted, from 18th century cast iron bridges to tall skyscrapers in the early 20th century. The properties and classifications of steel per various codes and standards are also covered.
The document discusses the direct analysis method for load and resistance factor design (LRFD) using SAP2000 v20 software. It outlines the general analysis requirements including using second-order analysis, applying notional loads, and reducing member stiffnesses. It provides steps to define loads and combinations in SAP2000 for the design stage. The document notes that using the Tau-b fixed stiffness reduction method may result in incorrect values and recommends either increasing the notional load ratio or changing to the Tau-b variable method to get the correct values.
This document provides a tutorial for modeling and analyzing a G+10 reinforced concrete building using the structural analysis software ETABS. It outlines the step-by-step process for creating an ETABS model, including defining materials, sections, geometry, loads, supports, and running the analysis. It also describes how to display and interpret the results tabularly and graphically. The tutorial uses the architectural plans and specifications of the example G+10 building to demonstrate modeling the building, assigning properties, meshing, applying loads, and checking the model before running the analysis in ETABS.
Baf Shaheen College (B+12) ETABS Dynamic Analysis.pptxDES Engineers Ltd
The document discusses the structural design of a 12-story educational building in Dhaka, Bangladesh. It covers loading considerations including dead loads, live loads, wind loads, and seismic loads. Load combinations are listed. The structural system is described as intermediate moment-resisting frames. Manual and ETABS calculations are shown for wind loads in the X and Y directions and for seismic base shear, with a deviation of approximately 5% between the manual and ETABS results.
Overview of Direct Analysis Method of Design forRyan Brotherson
The document provides an overview of the direct analysis method for structural stability design according to the AISC 360 specification. It discusses changes in the specification's requirements, limitations of previous methods like the effective length method, and how direct analysis addresses stability factors more directly. Direct analysis requires determining required member strengths from a second-order analysis with notional loads and reduced stiffnesses, and checking these against available strengths calculated without effective length factors. The document explains how software tools like STAAD and RAM can implement aspects of direct analysis, though some use approximate methods rather than full second-order analysis.
civil enginnering industrial training report KRISHNA MURARI
This document provides a report on Krishna Murari Kandu's industrial training at the Vinod Nagar Station Yard project of Delhi Metro Rail Corporation Ltd. It discusses the construction of the double deck stabling yard including piling, pile caps, piers and the boundary wall. It also describes the bar bending schedule process and various tests performed at the site and in the lab, including tests on bentonite, slump tests, and concrete cube tests. The training helped provide an overview of the construction process and quality control measures for a metro rail project.
Designing a Concrete Beam Using the New AS3600:2018 - Webinar Slides - ClearC...ClearCalcs
The 2018 revision of the AS3600 Concrete standard includes major revisions for areas including phi factors, shear, deflection, rectangular stress block, and shrinkage/creep.
In this webinar, ClearCalcs lead engineering developer Brooks Smith discusses some of these key changes, and runs through the design process for a concrete beam design before demonstrating a few worked examples using AS3600:2018 in the newly released rectangular concrete beam calculator on ClearCalcs.com.
Watch the recorded webinar: https://vimeo.com/295532300
Explore all of our concrete, timber, and steel calculations at clearcalcs.com.
This document provides guidelines for using the structural analysis software ETABS consistently within Atkins Dubai. It covers topics such as modelling procedures, material properties, element definition and sizing, supports, loading, load combinations, and post-analysis checks. The objective is to complement ETABS manuals and comply with codes such as UBC 97, ASCE 7, and BS codes as well as local authority requirements for Dubai projects. The procedures are based on standard practice in Dubai but can be revised based on specific project requirements.
Pipe racks are structures designed to support pipes, cables, and equipment in industrial facilities. The document discusses various design loads that should be considered when designing pipe racks, including dead loads, live loads, thermal loads, earthquake loads, wind loads, and load combinations. It provides guidance from codes like the IBC and standards like ASCE 7, and also discusses recommendations from industry sources like the PIP for determining and applying the different types of loads to the structural design of pipe racks.
Connections are critical structural elements that join members in steel structures. Common connection types include bolted, welded, and bolted-welded combinations. Connections are classified based on the connecting medium, type of forces transmitted, and elements joined. Riveted connections were previously common but have been replaced by bolted connections which are faster and cheaper to install. Welded connections provide rigidity but require careful design to avoid cracking. Modern connections often combine bolting and welding for strength and economy. Shear and moment connections behave differently in transmitting forces between members like beams and columns. Proper connection design is important for structural integrity and safety.
Economic Concrete Frame Elements to Eurocode 2Yusuf Yıldız
Eurocode 2'ye göre betonarme çerçeve elemanlarının ekonomik tasarımlarını ele alan dokümanın içerisinde yerinde dökülen, prekast, kompozit, ardgerme kolonlar, kirişler, döşemeler, perdeler ve merdivenlerin tasarımlarına dair bilgiler yer almakta.
The document discusses structural steel construction, including the various methods used such as beam and column construction, long span construction, and wall bearing construction. It describes the common structural steel members like columns, beams, joists, and trusses that are erected and secured together using fastening systems like bolts and welds to form the structural framework. Details provided on erection plans guide the fabrication and installation of the different steel components.
The document provides information on structural design basis according to EN1990:2002, including:
1. Design working life categories ranging from 10 to 100 years depending on the structure type.
2. Ultimate limit state concerns safety of people, structure, and contents. Design situations include persistent, transient, accidental, and seismic.
3. Ultimate limit state verifications include loss of equilibrium, internal failure, excessive ground deformation, and fatigue failure.
4. Combination factors and partial factors for actions are provided for ultimate limit state design.
This document discusses design wind load and terminology according to Indian standard code IS 875 (III). It defines key terms like angle of attack, breadth, depth, developed height, effective frontal area, element surface area, force coefficient, gust, peak gust, fetch length, gradient height, pressure coefficient, suction, velocity profile, and topography. It also covers how to calculate design wind speed based on risk coefficient and terrain/height/structure size factor, and how to determine design wind pressure and force coefficients to calculate total wind load on a structure.
This document provides an introduction and overview of the structural design considerations for tall buildings. It discusses how mankind has sought to build taller structures throughout history as symbols of power. For tall buildings, lateral loads from wind and earthquakes must be effectively resisted to prevent shear failure, overturning, or excessive deflection. Various lateral load resisting systems are explored, including moment frames, braced frames, tube structures, and outrigger systems. Rigidity indices are used to compare the bending and shear resistance of different structural configurations. The challenges of seismic design are also addressed. The document reviews previous research on improving the performance of reinforced concrete frames through the addition of bracing or shear walls.
Connections are devices used to join structural elements together to safely transfer forces between them. There are different types of connections classified by their means of connection, such as welded, riveted, and bolted, and by the forces transferred, such as truss connections, fully restrained connections, and partially restrained connections. Fully restrained connections provide continuity between structural members and allow over 90% of moment to be transferred to provide greater flexural resistance. Partially restrained connections have less rigidity than fully restrained connections and allow some percentage of moment and full shear to be transferred. Semi-rigid connections provide rigidity between fully restrained and simple connections and transfer approximately 20-90% of moment.
Tính toán tải trọng Gió cho Nhà cao tầng theo TCVNHồ Việt Hùng
Tải trọng gió theo Tiêu chuẩn Việt Nam được trình bày trong TCVN 2737:1995 và TCXD 229:1999. Quy trình tính toán thành phần động của tải trọng gió được trình bày trong TCXD 229:1999, tuy nhiên quy trình này khá rắc rối, gây nhiều khó khăn khi thực hành. Bài viết này trình bày tóm tắt việc tính toán tải trọng gió theo TCVN, trong đó có đề cập đến quy đình đơn giản để tính toán thành phần động của tải trọng gió. Nội dung bài viết chỉ xét đến thành phần nằm ngang, và cùng phương với phương gió thổi.
The document provides step-by-step instructions for modeling, analyzing, and designing a 10-story reinforced concrete building using ETABS. It defines the material properties, section properties, load cases, and equivalent lateral force parameters. The steps include starting a new model, defining section properties for beams, columns, slabs, and walls, assigning the sections, defining load cases, and specifying the analysis and design procedures.
The document discusses the history and development of steel as a building material. It describes how early iron extraction methods led to wrought iron with low strength, and how later techniques on like the Bessemer process improved steel production. Major historical structures that demonstrated the growing use of iron and steel in construction are highlighted, from 18th century cast iron bridges to tall skyscrapers in the early 20th century. The properties and classifications of steel per various codes and standards are also covered.
The document discusses the direct analysis method for load and resistance factor design (LRFD) using SAP2000 v20 software. It outlines the general analysis requirements including using second-order analysis, applying notional loads, and reducing member stiffnesses. It provides steps to define loads and combinations in SAP2000 for the design stage. The document notes that using the Tau-b fixed stiffness reduction method may result in incorrect values and recommends either increasing the notional load ratio or changing to the Tau-b variable method to get the correct values.
This document provides a tutorial for modeling and analyzing a G+10 reinforced concrete building using the structural analysis software ETABS. It outlines the step-by-step process for creating an ETABS model, including defining materials, sections, geometry, loads, supports, and running the analysis. It also describes how to display and interpret the results tabularly and graphically. The tutorial uses the architectural plans and specifications of the example G+10 building to demonstrate modeling the building, assigning properties, meshing, applying loads, and checking the model before running the analysis in ETABS.
Baf Shaheen College (B+12) ETABS Dynamic Analysis.pptxDES Engineers Ltd
The document discusses the structural design of a 12-story educational building in Dhaka, Bangladesh. It covers loading considerations including dead loads, live loads, wind loads, and seismic loads. Load combinations are listed. The structural system is described as intermediate moment-resisting frames. Manual and ETABS calculations are shown for wind loads in the X and Y directions and for seismic base shear, with a deviation of approximately 5% between the manual and ETABS results.
Overview of Direct Analysis Method of Design forRyan Brotherson
The document provides an overview of the direct analysis method for structural stability design according to the AISC 360 specification. It discusses changes in the specification's requirements, limitations of previous methods like the effective length method, and how direct analysis addresses stability factors more directly. Direct analysis requires determining required member strengths from a second-order analysis with notional loads and reduced stiffnesses, and checking these against available strengths calculated without effective length factors. The document explains how software tools like STAAD and RAM can implement aspects of direct analysis, though some use approximate methods rather than full second-order analysis.
civil enginnering industrial training report KRISHNA MURARI
This document provides a report on Krishna Murari Kandu's industrial training at the Vinod Nagar Station Yard project of Delhi Metro Rail Corporation Ltd. It discusses the construction of the double deck stabling yard including piling, pile caps, piers and the boundary wall. It also describes the bar bending schedule process and various tests performed at the site and in the lab, including tests on bentonite, slump tests, and concrete cube tests. The training helped provide an overview of the construction process and quality control measures for a metro rail project.
Designing a Concrete Beam Using the New AS3600:2018 - Webinar Slides - ClearC...ClearCalcs
The 2018 revision of the AS3600 Concrete standard includes major revisions for areas including phi factors, shear, deflection, rectangular stress block, and shrinkage/creep.
In this webinar, ClearCalcs lead engineering developer Brooks Smith discusses some of these key changes, and runs through the design process for a concrete beam design before demonstrating a few worked examples using AS3600:2018 in the newly released rectangular concrete beam calculator on ClearCalcs.com.
Watch the recorded webinar: https://vimeo.com/295532300
Explore all of our concrete, timber, and steel calculations at clearcalcs.com.
This document provides guidelines for using the structural analysis software ETABS consistently within Atkins Dubai. It covers topics such as modelling procedures, material properties, element definition and sizing, supports, loading, load combinations, and post-analysis checks. The objective is to complement ETABS manuals and comply with codes such as UBC 97, ASCE 7, and BS codes as well as local authority requirements for Dubai projects. The procedures are based on standard practice in Dubai but can be revised based on specific project requirements.
Pipe racks are structures designed to support pipes, cables, and equipment in industrial facilities. The document discusses various design loads that should be considered when designing pipe racks, including dead loads, live loads, thermal loads, earthquake loads, wind loads, and load combinations. It provides guidance from codes like the IBC and standards like ASCE 7, and also discusses recommendations from industry sources like the PIP for determining and applying the different types of loads to the structural design of pipe racks.
Connections are critical structural elements that join members in steel structures. Common connection types include bolted, welded, and bolted-welded combinations. Connections are classified based on the connecting medium, type of forces transmitted, and elements joined. Riveted connections were previously common but have been replaced by bolted connections which are faster and cheaper to install. Welded connections provide rigidity but require careful design to avoid cracking. Modern connections often combine bolting and welding for strength and economy. Shear and moment connections behave differently in transmitting forces between members like beams and columns. Proper connection design is important for structural integrity and safety.
This document discusses bolted connections used in structural engineering. It begins by explaining why connection failures should be avoided, as they can lead to catastrophic structural failures. It then classifies bolted connections based on their method of fastening, rigidity, joint resistance, fabrication location, joint location, connection geometry, and type of force transferred. It describes different types of bolts and bolt tightening techniques used for friction grip connections. It discusses advantages and drawbacks of bolted connections compared to riveted or welded connections. The document provides detailed information on design and behavior of various bolted connections.
1. Project Manager
Downstream business development, Sahaviriya Steel Industry (SSI)
Advisor
Pacific Pipe PCL. (PAP)
Steel Structure Sub-committee, Engineering Institute of Thailand (EIT)
การทารายละเอียดการต่อโครงสร้างเหล็ก
Detailing for Steel Construction
November 13, 2015
1
Mr. Nuttapon Suttitam
2. Seminar Outline Nov 13 – 14, 2015
November 14, 2015 November 13, 2015
• Failure Modes
• Steel Connection Design
▫ Shear Connection
Shear Plate (Tab)
Shear End Plate
Single/Double Angle
▫ Moment Connection
• Other Considerations
▫ Web Crippling / Buckling
▫ Prying Action
• Steel Materials
▫ Steel Products
▫ Assemblage (Bolt / Weld)
• Steel Detailing
• Steel Fabrication
▫ Bolting Systems
▫ Welding Processes
• Introduction to Steel
Connection Design
• Introduction to BIM
2
27. Table of Content
1. Introduction
2. Contract Documents and Detailing
Process
3. Common Connection Details
4. Basic Detailing Conventions
5. Project Set-up and Control
6. Erection Drawings
7. Shop Drawings and Bills of Materials
8. Detailing Quality Control and
Assurances
Appendix: Basic Engineering Fundamental
REFERENCE
27
38. Pre Construction Phase Construction Phase
1.1 ขั้นตอนกำรก่อสร้ำงและหน้ำที่ของ Detailer
บทที่ 1 บทนำ
Owner
Designer and/or
Engineer of Record (EOR)
Preliminary Design
Design Development (DD)
Contract Document (CD)
CD for
Bidding
General Contractor (GC)
Construction Manager (CM)
Controlled Inspector
Steel Fabricator Steel DetailerStruct Arch MEP
Project Manager (PM)
38
58. 1.2 ข้อกำหนดสำหรับเหล็กโครงสร้ำง (สำหรับประเทศไทย)
บทที่ 1 บทนำ
ตำรำงแสดงเกณฑ์ควำมคลำดเคลื่อนของขนำด
ควำมได้ฉำก ควำมโค้ง ฯลฯ
• แสดงถึงกำรยอมรับได้ต่อควำมแม่นจำจำกกำร
รีดโดยโรงรีดเหล็ก (mill tolerance)
• Squareness
• Bend
• Eccentricity
• Concavity of web
58
59. 1.2 ข้อกำหนดสำหรับเหล็กโครงสร้ำง (สำหรับประเทศไทย)
บทที่ 1 บทนำ
5. ส่วนประกอบทำงเคมี (chemical property)
ของเนื้อวัสดุเหล็ก ว่ำจะต้องมีแร่ธำตุที่ระบุ
ไม่เกินปริมำณเท่ำใด ด้วยหำกเกินเกณฑ์ที่
กำหนด จะทำให้คุณสมบัติและกำรใช้งำน
เปลี่ยนแปลงไป
Chemical property เป็นหนึ่งใน parameter
ที่ใช้แบ่งเกณฑ์ชั้นคุณภาพ (grade) ของ
ผลิตภัณฑ์โครงสร้างเหล็ก
o SS งานไม่เน้นการเชื่อม
o SM งานเชื่อม
o SN งานเชื่อมที่ควบคุม Yield ratio
และ direction property ของเหล็ก
1227-2539
59
72. Shear yielding near support
Web buckling Web crippling
Web Buckling
450
d / 2
d / 2 b1 n1
Effective width for web buckling
cft)1n1b(wbP
t
d
5.2
t
32
d7.0
yr
EL
32
t
t12
3t
A
yI
yr
yr
d7.0
yr
EL
Web Crippling
b1 n2 1:2.5 slope
Root radius
Stiff bearing length
ywft)2n1b(cripP
STRUCTURAL TYPICAL DETAIL
?
?
?
72
97. 3.5 Common Bolted Shear Connection
บทที่ 3 รำยละเอียดรอยต่อ
โครงสร้ำงทั่วไป
3.5.2 Shear End-Plate Connection
For beam to be cut square at
ends (preferred by some
fabricators)
Fair Torsional Resistance
Good Axial Compression
Resistance
97
98. 3.5 Common Bolted Shear Connection
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3.5.3 Seated Beam Connection
Good for Beam-to-Column Web
Connection
Easy to Fabricate
Easy to Erect
Reduce Field Bolts
- Headroom / Clearance (especially
stiffened seated beam connection)
98