CIV-104-Geotechnical1 (1).pdf

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