|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
2009年05 期
| 标题 |
| 深大基坑中心岛法墙前被动土压力的计算方法(49 卷) |
| 英文标题 |
| Calculating method of passive earth pressure in front of diaphragm wall during construction of deep-large foundation pit with central island method |
| 摘要 |
| 针对中心岛法开挖基坑问题，基于平面滑裂面假定，得到了墙前预留土体被动土压力的解析解，利用此解可以得出挡土墙和预留土体保持稳定的土压力判据。作为该方法的特例，位于直立挡土墙后无限黏性土坡的被动土压力计算公式被确定。计算结果与有限元结果对比表明，当土与挡墙背 |
| 作者 |
| 新闻作者:庞小朝,刘国楠，陈湘生 |
| 关键字 |
