4a i numerical on design of laterally supported beams
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The document details the design of a simply supported beam carrying a factored load of 350kN at its midspan, with a span of 4m. An I-section made of steel grade Fe410 is selected and checked for bending strength, shear strength, web buckling, web crippling, and deflection. An ISLB 500 section weighing 75kg/m is determined to satisfy all design checks for the given loading conditions on the beam.
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Advancement of softwares is main cause behind comparatively quick and simple
design while avoiding complexity and time consuming manual procedure. However
mistake or mislead could be happened during designing the structures because of not
knowing the proper procedure depending on the situation. Design book based on
manual or hand design is sometimes time consuming and could not be good aids with
softwares as several steps are shorten during finite element modeling. This book may
work as a general learning hand book which bridges the software and the manual
design properly. The writers of this book used linear static analysis under BNBC and
ACI code to generate a six story residential building which could withstand wind load
of 210 kmph and seismic event of that region. The building is assumed to be designed
in Dhaka, Bangladesh under RAJUK rules to get legality of that concern organization.
For easy and explained understanding the book chapters are oriented in 2 parts. Part A
is concern about modeling and analysis which completed in only one chapter. Part B
is organized with 8 chapters. From chapter 1 to 7 the writers designed the model
building and explained with references how to consider during design so that
creativity of readers could not be threated. Chapter 8 is dedicated for estimation. As a
whole the book will help the readers to experience a building construction related all
facts and how to progress in design. Although the volume I is limited to linear static
analysis, upcoming volume will eventually consider dynamic facts to perform
dynamic analysis. Implemented equations are organized in the appendix section for
easy memorizing.
BNBC and other codes are improving and expending day by day, by covering new
and improved information as civil engineering is a vast field to continue the research.
Before designing something or taking decision judge the contemporary codes and
choose data, equations, factors and coefficient from the updated one.
Book for Beginners series is basic learning book of YDAS outlines. Here only
rectangular grid system modeling and a particular model is shown. Round shape grid
is avoided to keep the study simple. No advanced analysis is described and it is kept
simple for beginners. Only two way slab is elaborated with direct design method,
avoiding other procedures. In case of beam, only flexural and shear designs are made.
T- Beam, L- Beam or other shapes are not shown as rectangular beam was enough for
this study. Bi-axial column and foundation design is not shown. During column and
foundation design only pure axial load is considered. Use of interaction diagram is not
shown in manual design. Load centered isolated and combined footing designs are
shown, avoiding eccentric loading conditions. Pile and pile cap design, Mat
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Design of concrete structures-Nilson-15th-Edition
DESIGN of
CONCRETE
STRUCTURES
Fifteenth Edition
David Darwin
Ph.D., P.E., Distinguished Member of ASCE
Fellow of ACI, Fellow of SEI
Deane E. Ackers Distinguished Professor and Chair
of Civil, Environmental & Architectural Engineering
University of Kansas
Charles W. Dolan
Ph.D., P.E., Honorary Member of ACI
Fellow of PCI
H. T. Person Professor of Engineering, Emeritus
University of Wyoming
Arthur H. Nilson
Ph.D., P.E., Honorary Member of ACI
Fellow of ASCE
Late Professor of Structural Engineering
Cornell University
Erbil Polytechnic University
Erbil Technical Engineering College
#Reinforced Concrete.
4a i numerical on design of laterally supported beams_high shear
This document contains the design calculations to check whether an ISLB 350@ 49.5kg/m laterally supported beam can support a maximum bending moment of 180 kN-m and shear force of 210 kN over a 6m span. The calculations show that the beam section has sufficient design bending and shear strength as well as adequate resistance against web buckling and web crippling. Therefore, the ISLB 350@ 49.5kg/m section satisfies the design requirements for this beam.
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Earthquake resistant building construction
1 INTRODUCTION
2 EARTHQUAKE THEORY
3 EARTHQUAKE MAGNITUDE AND ENERGY
4 EFFECTS OF EARTHQUAKES
5 MAJOR EARTHQUAKES
6 NOTABLE EARTHQUAKES AND THEIR ESTIMATED
MAGNITUDE
7 HOW EARTHQUAKE RESISTANT CONSTRUCTION IS
DIFFERENT
8 SEISMIC DESIGN PHILOSOPHY
9 EFFECT OF EARTHQUAKE ON REINFORCED CONCRETE BUILDINGS
10 ROLES OF FLOOR AND MASONRY WALLS SLABS
11 STRENGTH HIERARCHY
12 EARTHQUAKE RESISTANT BUILDING
13 EARTHQUAKE DESIGN PHILOSOPHY
14 REMEDIAL MEASURES TO MINIMISE THE LOSSES DUE TO EARTHQUAKES
15 EARTHQUAKE RESISTANT BUILDING CONSTRUCTION WITH REINFORCED HOLLOW CONCRETE BLOCK(RHCBM)
16 STRUCTURAL FEATURES
17 STRUCTURAL ADVANTAGES
18 CONSTRUCTIONAL ADVANTAGES
19 ARCHITECTURAL AND OTHER ADVANTAGES
20 STUDIES ON THE COMPARATIVE COST ECONOMICS OF RHCBM
21 MID-LEVEL ISOLATION 32-34
22 EARTHQUAKE RESISTANCE BUILDING USING SEISMIC ISOLATION SYSTEMS WITH SLIDING ON CONCAVE SURFACE
23 DESCRIPTION
24 CONCEPT OF FRICTION PENDULUM BEARING
25 SLIDING PENDULUM SEISMIC ISOLATION SYSTEM
26 BACKGROUND OF THE INVENTION
27 BRIEF SUMMARY OF THE INVENTION
28 DETAILED DESCRIPTION OF THE INVENTION
29 ESTIMATION
30 CONCLUSION
31 BIBLIOGRAPHY
Thiết kế cầu btct dầm đơn giản dự ứng lực căng sau (kèm bản vẽ)
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This document appears to be a capstone design report for a six-story residential building. It includes an introduction and outlines the objectives, preliminary design, structural system selection, and advantages/limitations of structural optimization. It then details the design of building components including slabs, beams, columns, stairs, footings, an underground water tank, and an overhead water tank. Figures and diagrams support the document.
Progressive Collapse Analysis of RC Framed Structures
The term progressive collapse defined as the
spread of local damage, from an initiating event, from
element to element resulting, eventually, in the collapse of an
entire structure or a disproportionately large part of it is
known as progressive collapse. The progressive collapse of
structures during severe loading caused by earthquakes,
blasts, and other effects causes catastrophic loss of life. Such
collapse is typically caused by the inability of the structural
system to redistribute its loads following the failure of one or
more structural members to carry gravity loads. In reinforced
concrete (RC) structures, the loss of gravity load carrying
capacity in column.
Sổ tay Thực hành Kết Cấu Công Trình - Vũ Mạnh Hùng
Download tại
http://share-connect.blogspot.com/2014/12/so-tay-thuc-hanh-ket-cau-cong-trinh.html
Tên Ebook: Sổ tay Thực hành Kết Cấu Công Trình. Tác giả: Vũ Mạnh Hùng. Định dạng: PDF. Số trang: 177. Nhà xuất bản: Nhà xuất bản Xây Dựng. Năm phát hành: 1999
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2. For medium span bridges between 45-100 meters, box girder bridges offer an attractive form of construction as they maintain simplicity while allowing larger span-to-depth ratios compared to plate girders.
3. Advances in welding and cutting techniques have expanded the structural possibilities for box girders, allowing for more economical designs of large welded units.
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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.
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The document discusses different structural framing systems that provide lateral force resistance including braced frames, shear walls, and moment resisting frames. Braced frames use vertical trusses or bracing to resist lateral forces. Shear walls are designed to resist forces parallel to the wall plane, commonly using wood or steel sheathing. Moment resisting frames use rigid beam-column connections and joints to transfer lateral loads through bending of the frame members. Special moment resisting frames are specially detailed for ductile behavior during seismic events.
Book for Beginners, RCC Design by ETABS
Advancement of softwares is main cause behind comparatively quick and simple
design while avoiding complexity and time consuming manual procedure. However
mistake or mislead could be happened during designing the structures because of not
knowing the proper procedure depending on the situation. Design book based on
manual or hand design is sometimes time consuming and could not be good aids with
softwares as several steps are shorten during finite element modeling. This book may
work as a general learning hand book which bridges the software and the manual
design properly. The writers of this book used linear static analysis under BNBC and
ACI code to generate a six story residential building which could withstand wind load
of 210 kmph and seismic event of that region. The building is assumed to be designed
in Dhaka, Bangladesh under RAJUK rules to get legality of that concern organization.
For easy and explained understanding the book chapters are oriented in 2 parts. Part A
is concern about modeling and analysis which completed in only one chapter. Part B
is organized with 8 chapters. From chapter 1 to 7 the writers designed the model
building and explained with references how to consider during design so that
creativity of readers could not be threated. Chapter 8 is dedicated for estimation. As a
whole the book will help the readers to experience a building construction related all
facts and how to progress in design. Although the volume I is limited to linear static
analysis, upcoming volume will eventually consider dynamic facts to perform
dynamic analysis. Implemented equations are organized in the appendix section for
easy memorizing.
BNBC and other codes are improving and expending day by day, by covering new
and improved information as civil engineering is a vast field to continue the research.
Before designing something or taking decision judge the contemporary codes and
choose data, equations, factors and coefficient from the updated one.
Book for Beginners series is basic learning book of YDAS outlines. Here only
rectangular grid system modeling and a particular model is shown. Round shape grid
is avoided to keep the study simple. No advanced analysis is described and it is kept
simple for beginners. Only two way slab is elaborated with direct design method,
avoiding other procedures. In case of beam, only flexural and shear designs are made.
T- Beam, L- Beam or other shapes are not shown as rectangular beam was enough for
this study. Bi-axial column and foundation design is not shown. During column and
foundation design only pure axial load is considered. Use of interaction diagram is not
shown in manual design. Load centered isolated and combined footing designs are
shown, avoiding eccentric loading conditions. Pile and pile cap design, Mat
foundation design, strap footing design and sand pile concept are not included in this
Design of concrete structures-Nilson-15th-Edition
DESIGN of
CONCRETE
STRUCTURES
Fifteenth Edition
David Darwin
Ph.D., P.E., Distinguished Member of ASCE
Fellow of ACI, Fellow of SEI
Deane E. Ackers Distinguished Professor and Chair
of Civil, Environmental & Architectural Engineering
University of Kansas
Charles W. Dolan
Ph.D., P.E., Honorary Member of ACI
Fellow of PCI
H. T. Person Professor of Engineering, Emeritus
University of Wyoming
Arthur H. Nilson
Ph.D., P.E., Honorary Member of ACI
Fellow of ASCE
Late Professor of Structural Engineering
Cornell University
Erbil Polytechnic University
Erbil Technical Engineering College
#Reinforced Concrete.
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4a i numerical on design of laterally supported beams
- 1. Sanjivani Rural Education Society's Sanjivani College of Engineering, Kopargaon 423603. -Department of Civil Engineering- By Mr. Sudhir B. Gayake (Assistant Professor) Mail Id- gayakesudhircivil@sanjivani.org.in Prof. Sudhir B. Gayake, SCOE Kopargaon
- 2. Prof. Sudhir B. Gayake, SCOE Kopargaon Question- Design a simply supported beam of effective span 4m carrying a factored load of 350kN at mid span. The section is laterally supported throughout the span. Design the cross section using I-section. Use steel grade Fe410. 1) Given data- 350kN Span=l=4000mm, Pu=350kN at mid span, 4000mm fu=410MPa, fy=250MPa, 175kN ϒm0=1.1 2) Maximum SF and BM calculations- 175kN Maximum SF=Vu=(Pu/2) =(350/2)=175kN 350kN-m Maximum BM=Mu=(Pu×l/4) =(350×4/4)=350kN-m 3) Equating maximum BM with yield strength of section= Md=Mu 𝑍𝑝×𝑓𝑦 ϒm0 = 350 × 106 + - +
- 3. Prof. Sudhir B. Gayake, SCOE Kopargaon Zp required= 𝑀𝑢×𝛾𝑀0 𝑓𝑦 = (350×106×1.1/250)=1.54×106 mm3 select section from IS 800-annex H having plastic section modulus greater than above calculated value. Try ISLB 500 @ 75kg/m having properties- h=500mm, bf=180mm, tf=14.1mm, tw=9.2mm, Izz=38549×104mm4 , h1=430.2mm, Zp=1773.7×103 mm3 Ze= 1545.2×103 mm3 3) Classification of cross section- (Table No 2) a) Flange= (bf/tf)=[(bf/2)/(tf)]=(90/14.1)= 6.38 <9.4ɛ ∴ flange is plastic b) Web= (h1/tw)= (430.2/9.2) = 46.76< 84ɛ ∴ web is also plastic 4) Design shear strength of section-(Cl.No.8.4.1 Pg.No.59) Vd=[(fyw×Aw)/(√3×ϒm0)]==[(250×500×9.2)/(√3×1.1)]= 603.6kN> Vu………..(OK) Check for high or low shear condition= 0.6Vd= 0.6×603.6= 362.16kN > Vu……….(Low shear) 5) Design bending strength-(Cl.No. 8.2.1.2 Pg.No. 53) Md= βb 𝑍𝑝×𝑓𝑦 ϒm0 =(1×1773.7×103×250/1.1)= 402.95kN-m > Mu………………….(OK) Section is Plastic βb=1
- 4. Prof. Sudhir B. Gayake, SCOE Kopargaon 6) Design Checks- a) Check for web buckling= Fwb= B×tw×fcd Assume stiff bearing length= b=120mm B=(120+(h1/2))=(120+(430.2/2))= 335.1mm…………………….for end reaction tw=9.2mm fcd- depends on slenderness ratio (λ)=2.45(h1/tw)=114.56≈ 115 From table 9 (c) Pg.no. 42 and fy=250MPa fcd= 89.15MPa Fwb= B×tw×fcd =(335.1 ×9.2 ×89.15)= 274.84kN>Vu…………………(OK) b) Check for web crippling= Fw = Ae× (fyw/γm0) fyw= 250MPa Ae= b1×tw=(b+n1)×tw……………………………………………………for end reaction =(120+ 2.5(tf+r1))× tw =(120+2.5(14.1+17)) ×9.2 =1819.3mm2 Fw = Ae× (fyw/γm0)= (1819.3 ×250/1.1)=413.47kN>Vu…………………….(OK)
- 5. Prof. Sudhir B. Gayake, SCOE Kopargaon c) Check for deflection- Deflection due to external working load=δactual=(Pl3/48EI) =(233.33×103×40003/48×2×105×38549×104 ) =4.03mm Maximum deflection allowed as per IS800 δlimit =(Span/300 to Span/240 ) =(4000/300 to 4000/240) =(13.33mm to 16.67mm) As δactual < δlimit the deflection is within limit…………………(OK) Therefore ISLB 500 @ 75kg/m can be used for given loading on beam as it is safe for all checks.