周边高层住宅沉降计算书.doc

《周边高层住宅沉降计算书.doc》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。

1、基坑周边高层住宅沉降计算书高层住宅距降水井的距离按12m考虑，住宅楼宽按15m估算。1高层住宅距降水井近侧的总沉降量S11.1第一层水对高层住宅距降水井近侧的总沉降量S11一、原始数据:土层数=7降水前水位=1.2(m)降水后水位=14.88(m)沉降折减系数=1第1层土:土层深度=4.67(m)渗透系数=2(m/d)压缩模量=4(Mpa)第2层土:土层深度=8.74(m)渗透系数=1(m/d)压缩模量=13(Mpa)第3层土:土层深度=12.54(m)渗透系数=10(m/d)压缩模量=25(Mpa)第4层土:土层深度=

2、17.74(m)渗透系数=50(m/d)压缩模量=46(Mpa)第5层土:土层深度=21.74(m)渗透系数=0.05(m/d)压缩模量=18(Mpa)第6层土:土层深度=25.31(m)渗透系数=15(m/d)压缩模量=50(Mpa)第7层土:土层深度=32.31(m)渗透系数=80(m/d)压缩模量=100(Mpa)二、计算结果:1、水位下各土层最终沉降量:第1层土最终沉降值=30.10(mm)；折减后沉降值30.10(mm)第2层土最终沉降值=23.61(mm)；折减后沉降值23.61(mm)第3层土最终沉降值=1

3、7.24(mm)；折减后沉降值17.24(mm)第4层土最终沉降值=6.96(mm)；折减后沉降值6.96(mm)2、各土层沉降量随时间的变化:(1)、第1层土第0天的沉降值=30.10(mm)；折减后沉降值30.10(mm)第15天的沉降值=30.10(mm)；折减后沉降值30.10(mm)第30天的沉降值=30.10(mm)；折减后沉降值30.10(mm)第45天的沉降值=30.10(mm)；折减后沉降值30.10(mm)第60天的沉降值=30.10(mm)；折减后沉降值30.10(mm)第75天的沉降值=30.10

4、(mm)；折减后沉降值30.10(mm)第90天的沉降值=30.10(mm)；折减后沉降值30.10(mm)第105天的沉降值=30.10(mm)；折减后沉降值30.10(mm)第120天的沉降值=30.10(mm)；折减后沉降值30.10(mm)第135天的沉降值=30.10(mm)；折减后沉降值30.10(mm)第150天的沉降值=30.10(mm)；折减后沉降值30.10(mm)第165天的沉降值=30.10(mm)；折减后沉降值30.10(mm)第180天的沉降值=30.10(mm)；折减后沉降值30.10(mm

5、)第195天的沉降值=30.10(mm)；折减后沉降值30.10(mm)第210天的沉降值=30.10(mm)；折减后沉降值30.10(mm)第225天的沉降值=30.10(mm)；折减后沉降值30.10(mm)第240天的沉降值=30.10(mm)；折减后沉降值30.10(mm)第255天的沉降值=30.10(mm)；折减后沉降值30.10(mm)第270天的沉降值=30.10(mm)；折减后沉降值30.10(mm)第285天的沉降值=30.10(mm)；折减后沉降值30.10(mm)第300天的沉降值=30.10(m

6、m)；折减后沉降值30.10(mm)第315天的沉降值=30.10(mm)；折减后沉降值30.10(mm)第330天的沉降值=30.10(mm)；折减后沉降值30.10(mm)第345天的沉降值=30.10(mm)；折减后沉降值30.10(mm)第360天的沉降值=30.10(mm)；折减后沉降值30.10(mm)第375天的沉降值=30.10(mm)；折减后沉降值30.10(mm)第390天的沉降值=30.10(mm)；折减后沉降值30.10(mm)第405天的沉降值=30.10(mm)；折减后沉降值30.10(mm)

7、第420天的沉降值=30.10(mm)；折减后沉降值30.10(mm)第435天的沉降值=30.10(mm)；折减后沉降值30.10(mm)第450天的沉降值=30.10(mm)；折减后沉降值30.10(mm)第465天的沉降值=30.10(mm)；折减后沉降值30.10(mm)第480天的沉降值=30.10(mm)；折减后沉降值30.10(mm)第495天的沉降值=30.10(mm)；折减后沉降值30.10(mm)第510天的沉降值=30.10(mm)；折减后沉降值30.10(mm)第525天的沉降值=30.10(mm

8、)；折减后沉降值30.10(mm)第540天的沉降值=30.10(mm)；折减后沉降值30.10(mm)第555天的沉降值=30.10(mm)；折减后沉降值30.10(mm)第570天的沉降值=30.10(mm)；折减后沉降值30.10(mm)第585天的沉降值=30.10(mm)；折减后沉降值30.10(mm)第6