Report
Share
Download to read offline
Recommended
Foundation Engineering
Regarding Types of Foundation, Methods, Uses of different types of foundation at different soil properties. Methods of construction of different types of foundation, Codal Provisions etc.
SOIL EXPLORATION
This document provides an overview of subsurface exploration, which involves site investigation and soil exploration to assess soil conditions for engineering projects. It discusses the objectives, phases and methods of subsurface exploration. The main methods covered are open excavation techniques like test pits and trenches, as well as boring techniques like auger, wash, percussion and rotary boring. It also describes different sampling techniques for obtaining disturbed and undisturbed soil samples, and different types of in-situ tests like standard penetration tests and cone penetration tests.
Slope stability analysis methods
Slope stability analysis methods
By Zaid Al-Farhan / Geotechnical Engineer
Mosul University / Iraq
Bearing capacity theory is code ,vesic ,hansen, meyerhof, skemptons( usefulse...
Bearing capacity theory is code ,vesic ,hansen, meyerhof, skemptons ( usefulsearch.org) (useful search)
case study on terzaghi’s theory
1. The document discusses Karl Terzaghi's principle of effective stress, which states that the stress on a soil is equal to the total stress minus the pore water pressure.
2. It then provides objectives and scope for a case study on evaluating Terzaghi's theory through consolidation tests. Materials used include remolded soil samples from various locations.
3. The document outlines Terzaghi's assumptions for his consolidation theory and provides his equations for calculating bearing capacity of strip, square, and circular footings. It also briefly reviews several literature sources analyzing consolidation and settlement prediction.
Soil exploration/Investigation method, purpose depth of exploration (Usefulse...
Soil exploration/Investigation method, purpose depth of exploration (Usefulsearch.org) (useful search)
Grouting in Soils
This presentation is related about soil improvement techniques. It includes the basic definitions and types of grouting.
Dewatering
Dewatering is the removal of water from solid material or soil by wet classification, centrifugation , filtration, or similar solid-liquid separation processes, such as removal of residual liquid from a filter cake by a filter press as part of various industrial processes.
Recommended
Foundation Engineering
Regarding Types of Foundation, Methods, Uses of different types of foundation at different soil properties. Methods of construction of different types of foundation, Codal Provisions etc.
SOIL EXPLORATION
This document provides an overview of subsurface exploration, which involves site investigation and soil exploration to assess soil conditions for engineering projects. It discusses the objectives, phases and methods of subsurface exploration. The main methods covered are open excavation techniques like test pits and trenches, as well as boring techniques like auger, wash, percussion and rotary boring. It also describes different sampling techniques for obtaining disturbed and undisturbed soil samples, and different types of in-situ tests like standard penetration tests and cone penetration tests.
Slope stability analysis methods
Slope stability analysis methods
By Zaid Al-Farhan / Geotechnical Engineer
Mosul University / Iraq
Bearing capacity theory is code ,vesic ,hansen, meyerhof, skemptons( usefulse...
Bearing capacity theory is code ,vesic ,hansen, meyerhof, skemptons ( usefulsearch.org) (useful search)
case study on terzaghi’s theory
1. The document discusses Karl Terzaghi's principle of effective stress, which states that the stress on a soil is equal to the total stress minus the pore water pressure.
2. It then provides objectives and scope for a case study on evaluating Terzaghi's theory through consolidation tests. Materials used include remolded soil samples from various locations.
3. The document outlines Terzaghi's assumptions for his consolidation theory and provides his equations for calculating bearing capacity of strip, square, and circular footings. It also briefly reviews several literature sources analyzing consolidation and settlement prediction.
Soil exploration/Investigation method, purpose depth of exploration (Usefulse...
Soil exploration/Investigation method, purpose depth of exploration (Usefulsearch.org) (useful search)
Grouting in Soils
This presentation is related about soil improvement techniques. It includes the basic definitions and types of grouting.
Dewatering
Dewatering is the removal of water from solid material or soil by wet classification, centrifugation , filtration, or similar solid-liquid separation processes, such as removal of residual liquid from a filter cake by a filter press as part of various industrial processes.
Consolidation Properties
Consolidation is the process where water drains from saturated soil pores, transferring the load from water to soil particles and causing volume change. There are three types of consolidation: immediate, primary, and secondary. One-dimensional consolidation assumes vertical drainage, making the process primarily vertical. Terzaghi's theory of one-dimensional consolidation models this using parameters like permeability, compressibility, and effective stress. The coefficient of consolidation describes the rate of compression, while compression and swelling indices characterize the void ratio-effective stress relationship. The oedometer test experimentally determines consolidation properties from soil specimen compression under incremental loads.
M soil exploration
The document provides information about soil exploration/site investigation. It discusses the objectives, stages, methods, and importance of soil exploration. Some key points:
- Soil exploration involves determining the soil profile and properties at a construction site. It aims to select suitable foundations and construction methods.
- The stages include initial site reconnaissance, preliminary exploration with simple tests, and detailed exploration with complex in-situ and laboratory tests.
- Common exploration methods include excavating trial pits, drilling boreholes using augers, wash boring, rotary drilling, and percussion drilling. Samples are collected and tested.
- A report is prepared providing details of the exploration process and results, as well as foundation and construction recommendations
methods of sub-surface exploration, methods of boring, number, location and d...
This document discusses methods of subsurface exploration for geotechnical engineering projects. It describes various boring methods like auger boring, wash boring, percussion boring, and rotary drilling used to investigate subsurface soil and rock conditions. The number, location, and depth of borings depends on the type and size of the structure, with minimum depths provided for different foundation types like shallow and deep foundations. Subsurface exploration is important to evaluate soil properties, groundwater levels, and other geological factors for foundation design and construction.
Field control of compaction and compaction Equipment
This document discusses field compaction control and compaction equipment. It notes that field compaction depends on placement water content, compaction equipment type, and soil type. Placement water content should be within 2% of optimum moisture content from lab tests. Different soils require different moisture levels - cohesive soils are compacted dry of optimum while earth dam cores are compacted wet of optimum. Compaction can be measured using methods like core cutting or nuclear gauges. Common compaction equipment includes smooth drum rollers, pneumatic rubber-tired rollers, sheepfoot rollers, and vibratory rollers, each suited to different soil types. Relative compaction is used to check compaction levels in the field.
Soil exploration part i
The document discusses various methods of soil exploration including borings, test pits, and geophysical methods. It describes the objectives of soil exploration as determining the suitable foundation type, bearing capacity, and other factors. The key methods discussed are displacement boring, wash boring, auger boring, rotary drilling, percussion drilling, and continuous sampling boring. Each method is explained along with its suitable soil conditions, advantages, and limitations.
Standard penetration test (spt)
The standard penetration test (SPT) involves driving a split spoon sampler into the ground using a 140 lb hammer dropped 30 inches. The number of blows required to penetrate each 6 inch interval is recorded, and the penetration resistance value N is the sum of the blows over the second and third intervals. This test is commonly used to obtain bearing capacity and estimate soil properties like density and shear strength. It is performed whenever the soil stratum changes and at intervals of no more than 1.5 meters.
New Soil Investigation
The document discusses soil investigation for determining appropriate foundation types and capacities. It describes conducting field tests and collecting lab samples to characterize soil properties, profile, and bearing capacity. Common soil colors are outlined. Methods of soil exploration include test pits, borings, and geophysical techniques. Problems with expansive black cotton soils are explained. Design considerations for shallow foundations and pile foundations are covered.
Standard Penetration Test
The document summarizes the standard penetration test (SPT), a common in situ geotechnical testing method. It describes the basic procedure, which involves driving a split spoon sampler into subsurface soils using a hammer, and recording the number of blows required for each increment of penetration. Corrections are made to SPT values to account for overburden pressure and dilatancy. Empirical correlations are presented relating SPT values to properties like density, shear strength, and consistency of cohesionless and cohesive soils. Both advantages like being inexpensive and quick, and limitations like lack of precision are discussed.
Introduction to soil engineering
This document provides an introduction to geotechnical engineering and soil mechanics. It defines soil and discusses the branches of civil engineering related to soil, including foundation engineering. The document then discusses the history and development of soil engineering, from early uses of soil as a construction material through the classical and modern eras. It outlines key figures and their contributions, particularly highlighting Karl Terzaghi's role in establishing modern soil mechanics. The document also covers the scope of geotechnical engineering, including applications in foundation design, retaining structures, slope stability, pavement design, and earth dam design. It concludes with some limitations of geotechnical engineering given soil properties can vary significantly by location.
Geotechnical Investigation
Importance of proper geotechnical investigation for engineering projects to avoid delay and any disastar.
Geotech site investigation
If you want to know about site investigation and about site investigation report in brief .. then by my thought you are at right spot
Chapter 1.0 soil exploration
The document discusses various methods for soil exploration including test trenches, auger and wash boring, rotary drilling, and geophysical methods. It describes common stages of site investigation such as desk study, field investigations including preliminary and detailed ground investigation, laboratory testing, and report writing. Various purposes of soil investigation are provided such as selection of foundation type, design of foundations, and planning of construction techniques. Different methods of investigation like test pits, auger boring, wash boring, and rotary drilling are explained. The document also discusses soil sampling methods, laboratory testing, and structuring a test schedule.
Consolidation settlement
This document discusses consolidation settlement, which occurs when saturated soil is loaded and squeezed, causing water to be expelled over time (years depending on soil permeability) and the soil volume to decrease. As water flows out, the soil settles vertically in direct proportion to the volume decrease. Two methods estimate consolidation settlement: using the coefficient of volume compressibility (mv) or the void ratio-effective stress (e-logσ'v) relationship. Practical applications include using prefabricated vertical drains to accelerate consolidation in clay soils.
Bearing capacity of soil final
This document discusses bearing capacity theory and methods for determining the bearing capacity of soil. It defines key terms like maximum safe bearing capacity, allowable bearing pressure, and net pressure intensity. It describes different types of bearing capacity failure and assumptions in Terzaghi's bearing capacity method. The document also discusses other theories by Meyerhof, Vesic, and Skempton that improved on Terzaghi's method. Finally, it outlines field tests like plate load tests and laboratory tests to directly determine the bearing capacity of soil.
4.0 bearing capacity shallow foundations
1. The bearing capacity of a foundation refers to the ability of the soil to carry the loads from structures placed on it without shear failure or excessive settlement.
2. Terzaghi's bearing capacity theory separates the failure zone under a foundation into triangular and radial shear zones, and considers the equilibrium of forces within these zones to calculate the ultimate bearing capacity.
3. The allowable bearing capacity is calculated by applying a safety factor to the ultimate capacity to avoid shear failure. Settlement criteria may further limit the allowable capacity.
Soil Structure Interaction.ppt
This document summarizes a seminar on soil-structure interaction (SSI) and its effects on deep foundations. SSI considers how the presence of a structure influences soil response and vice versa. Key concepts include kinematic interaction due to foundation stiffness and embedment, and inertial interaction from structural forces imparted to soil. SSI is analyzed using direct or substructure methods and can lengthen periods, increase damping, and impact displacements depending on structure and soil stiffness. Deep foundations are discussed, including behavior of single piles under vertical and lateral loads.
Bearing capacity of soil
1) The document discusses soil bearing capacity, which refers to the capacity of soil to support loads applied to the ground without failing.
2) Important factors in soil bearing capacity include the stability of foundations, which depends on the bearing capacity of soil beneath and the settlement of soil.
3) The document outlines several key terminologies used in soil bearing capacity such as ultimate bearing capacity, net ultimate bearing capacity, net safe bearing capacity, and more.
4) Several methods to increase the bearing capacity of black cotton soil are described, including increasing foundation depth, chemical treatment, grouting, compaction, drainage, and confining the soil.
Soil structure interaction
- Soil-structure interaction (SSI) describes how the response of soil influences the motion of a structure, and vice versa, rather than having independent displacements.
- The three critical aspects of SSI are: 1) Inertia effects on base shear and moment, 2) How base shear relates to foundation/soil displacement, 3) How moment relates to foundation/soil rotation.
- The degree of SSI influence depends on soil stiffness, structure properties like period and damping, and structure stiffness and mass. SSI is more important for flexible structures on soft soil.
Lecture 1. bearing capacity of soil
This document provides an introduction to foundation engineering and different types of foundations. It discusses shallow foundations, which have a depth to width ratio of less than 4, including spread, strip, continuous, combined and raft foundations. It also discusses deep foundations, which have a depth to width ratio greater than 4, such as piles and drilled shafts. The document further explains bearing capacity and settlement criteria for foundations. It provides details on Terzaghi's and Skempton's bearing capacity theories and includes examples of calculating ultimate and allowable bearing capacities.
More Related Content
What's hot
Consolidation Properties
Consolidation is the process where water drains from saturated soil pores, transferring the load from water to soil particles and causing volume change. There are three types of consolidation: immediate, primary, and secondary. One-dimensional consolidation assumes vertical drainage, making the process primarily vertical. Terzaghi's theory of one-dimensional consolidation models this using parameters like permeability, compressibility, and effective stress. The coefficient of consolidation describes the rate of compression, while compression and swelling indices characterize the void ratio-effective stress relationship. The oedometer test experimentally determines consolidation properties from soil specimen compression under incremental loads.
M soil exploration
The document provides information about soil exploration/site investigation. It discusses the objectives, stages, methods, and importance of soil exploration. Some key points:
- Soil exploration involves determining the soil profile and properties at a construction site. It aims to select suitable foundations and construction methods.
- The stages include initial site reconnaissance, preliminary exploration with simple tests, and detailed exploration with complex in-situ and laboratory tests.
- Common exploration methods include excavating trial pits, drilling boreholes using augers, wash boring, rotary drilling, and percussion drilling. Samples are collected and tested.
- A report is prepared providing details of the exploration process and results, as well as foundation and construction recommendations
methods of sub-surface exploration, methods of boring, number, location and d...
This document discusses methods of subsurface exploration for geotechnical engineering projects. It describes various boring methods like auger boring, wash boring, percussion boring, and rotary drilling used to investigate subsurface soil and rock conditions. The number, location, and depth of borings depends on the type and size of the structure, with minimum depths provided for different foundation types like shallow and deep foundations. Subsurface exploration is important to evaluate soil properties, groundwater levels, and other geological factors for foundation design and construction.
Field control of compaction and compaction Equipment
This document discusses field compaction control and compaction equipment. It notes that field compaction depends on placement water content, compaction equipment type, and soil type. Placement water content should be within 2% of optimum moisture content from lab tests. Different soils require different moisture levels - cohesive soils are compacted dry of optimum while earth dam cores are compacted wet of optimum. Compaction can be measured using methods like core cutting or nuclear gauges. Common compaction equipment includes smooth drum rollers, pneumatic rubber-tired rollers, sheepfoot rollers, and vibratory rollers, each suited to different soil types. Relative compaction is used to check compaction levels in the field.
Soil exploration part i
The document discusses various methods of soil exploration including borings, test pits, and geophysical methods. It describes the objectives of soil exploration as determining the suitable foundation type, bearing capacity, and other factors. The key methods discussed are displacement boring, wash boring, auger boring, rotary drilling, percussion drilling, and continuous sampling boring. Each method is explained along with its suitable soil conditions, advantages, and limitations.
Standard penetration test (spt)
The standard penetration test (SPT) involves driving a split spoon sampler into the ground using a 140 lb hammer dropped 30 inches. The number of blows required to penetrate each 6 inch interval is recorded, and the penetration resistance value N is the sum of the blows over the second and third intervals. This test is commonly used to obtain bearing capacity and estimate soil properties like density and shear strength. It is performed whenever the soil stratum changes and at intervals of no more than 1.5 meters.
New Soil Investigation
The document discusses soil investigation for determining appropriate foundation types and capacities. It describes conducting field tests and collecting lab samples to characterize soil properties, profile, and bearing capacity. Common soil colors are outlined. Methods of soil exploration include test pits, borings, and geophysical techniques. Problems with expansive black cotton soils are explained. Design considerations for shallow foundations and pile foundations are covered.
Standard Penetration Test
The document summarizes the standard penetration test (SPT), a common in situ geotechnical testing method. It describes the basic procedure, which involves driving a split spoon sampler into subsurface soils using a hammer, and recording the number of blows required for each increment of penetration. Corrections are made to SPT values to account for overburden pressure and dilatancy. Empirical correlations are presented relating SPT values to properties like density, shear strength, and consistency of cohesionless and cohesive soils. Both advantages like being inexpensive and quick, and limitations like lack of precision are discussed.
Introduction to soil engineering
This document provides an introduction to geotechnical engineering and soil mechanics. It defines soil and discusses the branches of civil engineering related to soil, including foundation engineering. The document then discusses the history and development of soil engineering, from early uses of soil as a construction material through the classical and modern eras. It outlines key figures and their contributions, particularly highlighting Karl Terzaghi's role in establishing modern soil mechanics. The document also covers the scope of geotechnical engineering, including applications in foundation design, retaining structures, slope stability, pavement design, and earth dam design. It concludes with some limitations of geotechnical engineering given soil properties can vary significantly by location.
Geotechnical Investigation
Importance of proper geotechnical investigation for engineering projects to avoid delay and any disastar.
Geotech site investigation
If you want to know about site investigation and about site investigation report in brief .. then by my thought you are at right spot
Chapter 1.0 soil exploration
The document discusses various methods for soil exploration including test trenches, auger and wash boring, rotary drilling, and geophysical methods. It describes common stages of site investigation such as desk study, field investigations including preliminary and detailed ground investigation, laboratory testing, and report writing. Various purposes of soil investigation are provided such as selection of foundation type, design of foundations, and planning of construction techniques. Different methods of investigation like test pits, auger boring, wash boring, and rotary drilling are explained. The document also discusses soil sampling methods, laboratory testing, and structuring a test schedule.
Consolidation settlement
This document discusses consolidation settlement, which occurs when saturated soil is loaded and squeezed, causing water to be expelled over time (years depending on soil permeability) and the soil volume to decrease. As water flows out, the soil settles vertically in direct proportion to the volume decrease. Two methods estimate consolidation settlement: using the coefficient of volume compressibility (mv) or the void ratio-effective stress (e-logσ'v) relationship. Practical applications include using prefabricated vertical drains to accelerate consolidation in clay soils.
Bearing capacity of soil final
This document discusses bearing capacity theory and methods for determining the bearing capacity of soil. It defines key terms like maximum safe bearing capacity, allowable bearing pressure, and net pressure intensity. It describes different types of bearing capacity failure and assumptions in Terzaghi's bearing capacity method. The document also discusses other theories by Meyerhof, Vesic, and Skempton that improved on Terzaghi's method. Finally, it outlines field tests like plate load tests and laboratory tests to directly determine the bearing capacity of soil.
4.0 bearing capacity shallow foundations
1. The bearing capacity of a foundation refers to the ability of the soil to carry the loads from structures placed on it without shear failure or excessive settlement.
2. Terzaghi's bearing capacity theory separates the failure zone under a foundation into triangular and radial shear zones, and considers the equilibrium of forces within these zones to calculate the ultimate bearing capacity.
3. The allowable bearing capacity is calculated by applying a safety factor to the ultimate capacity to avoid shear failure. Settlement criteria may further limit the allowable capacity.
Soil Structure Interaction.ppt
This document summarizes a seminar on soil-structure interaction (SSI) and its effects on deep foundations. SSI considers how the presence of a structure influences soil response and vice versa. Key concepts include kinematic interaction due to foundation stiffness and embedment, and inertial interaction from structural forces imparted to soil. SSI is analyzed using direct or substructure methods and can lengthen periods, increase damping, and impact displacements depending on structure and soil stiffness. Deep foundations are discussed, including behavior of single piles under vertical and lateral loads.
Bearing capacity of soil
1) The document discusses soil bearing capacity, which refers to the capacity of soil to support loads applied to the ground without failing.
2) Important factors in soil bearing capacity include the stability of foundations, which depends on the bearing capacity of soil beneath and the settlement of soil.
3) The document outlines several key terminologies used in soil bearing capacity such as ultimate bearing capacity, net ultimate bearing capacity, net safe bearing capacity, and more.
4) Several methods to increase the bearing capacity of black cotton soil are described, including increasing foundation depth, chemical treatment, grouting, compaction, drainage, and confining the soil.
Soil structure interaction
- Soil-structure interaction (SSI) describes how the response of soil influences the motion of a structure, and vice versa, rather than having independent displacements.
- The three critical aspects of SSI are: 1) Inertia effects on base shear and moment, 2) How base shear relates to foundation/soil displacement, 3) How moment relates to foundation/soil rotation.
- The degree of SSI influence depends on soil stiffness, structure properties like period and damping, and structure stiffness and mass. SSI is more important for flexible structures on soft soil.
Lecture 1. bearing capacity of soil
This document provides an introduction to foundation engineering and different types of foundations. It discusses shallow foundations, which have a depth to width ratio of less than 4, including spread, strip, continuous, combined and raft foundations. It also discusses deep foundations, which have a depth to width ratio greater than 4, such as piles and drilled shafts. The document further explains bearing capacity and settlement criteria for foundations. It provides details on Terzaghi's and Skempton's bearing capacity theories and includes examples of calculating ultimate and allowable bearing capacities.
What's hot (20)
methods of sub-surface exploration, methods of boring, number, location and d...
methods of sub-surface exploration, methods of boring, number, location and d...
Field control of compaction and compaction Equipment
Field control of compaction and compaction Equipment
قدرة-تحمل-التربة.pdf
- 3. • التربة تحمل قدرة « Soil Bearing Capacity » أن على التربة قدرة هي حدوث بدون منشأ أي من عليها الواقع الضغط بأمان تتحمل قص انهيار يؤدي لحدوث للتربة هبوط وبالتالي األساسات في هبوط تحملها التي . • تحديد يتم التربة تحمل قدرة أخذ بعد الجسات واجرا الموقع من الالزمة ء لتحديد عليها المعملية االختبارات المختلفة التربة خواص قدر مثل تحملها ة وخالفه لالنضغاط قابليتها ومدى .
- 5. • التربة تحمل قدرة فإن عام وبشكل « Bearing Capacity » التربة تحمل لوصف مصطلح هي لالجهاد الخرسانية األساسات من عليها الواقع . • عن عبارة هو ًايهندس واالجهاد أحمال / مساحة ... مبس بشكل معادلة صياغة يمكن وبالتالي كما ط يلي التربة تحمل قدرة = التربة على الواقع الحمل / المسل للقاعدة الخرساني القطاع مساحة حة • بأن القول يمكن سبق مما التربة تحمل قدرة تتناسب عكسي بشكل مع القطاع مساحة الخرساني المسلحة للقواعد • وبالتالي تحمل قدرة زادت فكلما التربة يؤدي، ذلك المسلحة القواعد تكعيب لتقليل وب التالي تقليل التكلفة .
- 14. 15 t/m2 20 t/m2 الفرق نسبة الفرق 93.4 84.9 8.5 9 % 216 193.5 22.5 10 % 309.4 278.4 31 10 % 1050 324,870 292,320 32,550 10 % 14 12.9 1.1 8 % 12,100 169,400 156,090 13,310 8 % 494,270 448,410 45,860 9 %