Introduction To Civil Engineering Geotechnical Engineering PDF

Summary

This document provides an introduction to geotechnical engineering, covering topics such as shallow and deep foundations, retaining walls, and earth and concrete dams. It also discusses soil improvement techniques and soil testing methods. The document appears to be a set of lecture notes or a study guide.

Full Transcript

9/6/2024 Introduction to Civil Engineering Geotechnical Engineering TYPICAL GEOTECHNICAL PROJECT Geo-Laboratory Design Office ~ for testing...

9/6/2024 Introduction to Civil Engineering Geotechnical Engineering TYPICAL GEOTECHNICAL PROJECT Geo-Laboratory Design Office ~ for testing soil properties ~ for design & analysis construction site 2 1 9/6/2024 SHALLOW FOUNDATIONS - for transferring building loads to underlying ground - mostly for firm soils or light loads firm ground bed rock 4 2 9/6/2024 SHALLOW FOUNDATIONS DEEP FOUNDATIONS - for transferring building loads to underlying ground - mostly for weak soils or heavy loads P I L E weak soil bed rock 6 3 9/6/2024 DEEP FOUNDATIONS Driven timber piles, Pacific Highway 7 RETAINING WALLS - for retaining soils from spreading laterally retaining wall 8 4 9/6/2024 EARTH DAMS - for impounding water reservoir clay core shell soil 9 CONCRETE DAMS reservoir concrete dam soil 10 5 9/6/2024 CONCRETE DAMS Three Gorges Dam, Hong Kong 11 GEOFABRICS Used for reinforcement, separation, filtration and drainage in roads, retaining walls, embankments… Geofabrics used on Pacific Highway 12 6 9/6/2024 SHEET PILES Sheets of interlocking steel or timber driven into the ground, forming a continuous sheet warehouse ship sheet pile 13 SHEET PILES - resist lateral earth pressures - used in excavations, waterfront structures,.. 14 7 9/6/2024 SHEET PILES - used in temporary works 15 COFFERDAM - sheet pile walls enclosing an area, to prevent water seeping in 16 8 9/6/2024 SHORING propping and supporting the exposed walls to resist lateral earth pressures 17 TUNNELING 18 9 9/6/2024 SOIL IMPROVEMENT Impact Roller to Compact the Ground 19 SOIL IMPROVEMENT Sheepsfoot Roller to Compact Clay Soils 20 10 9/6/2024 SOIL IMPROVEMENT Smooth-wheeled Roller 21 SOIL IMPROVEMENT Large weights dropped from 25 m, compacting the ground. Craters formed in compaction 22 11 9/6/2024 SOIL TESTING Cone Penetration Test Truck – Lavarach Barracks, Townsville SOIL TESTING Vane Shear Test Standard Penetration Test MORE FIELD TESTS 12 9/6/2024 SOIL TESTING Triaxial Test on Soil Sample in Laboratory 25 13

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