Foundation Engineering Spring 2008 Soil deposit Clay Keywords:clay,sand,rock,ground water Interactions between buildings @○ MRT Clay Keywords:settlement,clay,shale,tunnel,sewer line 6
Foundation Engineering Spring 2008 6
Foundation Engineering Spring 2008 Requirements of a foundation 1.Economicol 2. iing,overturning ele 3a:2g点iame 4. 5. 2 6 ns al lowering of the ground Keywords:economy,safety,settlement,seasonal changes,construction problem environment, Development of geotechnical analysis 2287tm 四包 Bemi-empirical Field observalions Computors Keywords:empirical.theoretical.semi-empirical.computers >
Foundation Engineering Spring 2008 7
Foundation Engineering Spring 2008 Soil investigation methods words:seismic,boring,penetration test,test pit,pressure meter test,plate load test,CPT,SPT,WST,geophone Bearing capacity of footing Failure surfoce Flow net c何-onp tial lines Kggords:heave,iowne,equpotentalne,setement,aiuresurface,fawnet
Foundation Engineering Spring 2008 8
Foundation Engineering Spring 2008 Pressure bulb below footing 业业 Q N✉ Pressure bulb Keywords:settlement,stress increase,compressibility Settlements caused by lowering of ground water level 46 clay Pie zometer Leaking sewer line A以-4hB 10LNI3 At ah-tom 4u=才0:0kDa Keywords:sand,clay,leaking sewer line,piezometer,ground water 9
Foundation Engineering Spring 2008 9
Foundation Engineering Spring 2008 Differential settlement below structure ↓ L Differential seltlement 日.% Keywords:differential settlement,cracks Mat foundation Keywords:elastic springs o
Foundation Engineering Spring 2008 10