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| 基于Peck公式的盾构隧道地表沉降的可靠性分析 | |
| 引用本文： | 宋克志,王梦恕,孙谋. 基于Peck公式的盾构隧道地表沉降的可靠性分析[J]. 北京交通大学学报(自然科学版), 2004, 28(4): 30-33 |
| 作者姓名： | 宋克志 王梦恕 孙谋 |
| 作者单位： | 北京交通大学,土木建筑工程学院,北京,100044;烟台师范学院交通学院,烟台,264025;北京交通大学,土木建筑工程学院,北京,100044;中铁隧道股份有限公司,新乡,453000 |
| 摘 要： | 分析了盾构隧道地表沉降的构成及其机理,指出影响地表沉降的诸多因素都是不确定的,具有随机性.因此,基于著名的Peck公式,推导了地表最大沉降的平均值及标准差,并利用中心点法计算了地表沉降的可靠指标和失效概率,最后以实例说明.所提出方法为盾构施工地表沉降的可靠性分析提供了一种新的途经. |
| 关 键 词： | 土木建筑工程施工 盾构隧道 地表沉降 Peck公式 可靠性 |
| 文章编号： | 1000-1506(2004)04-0030-04 |
| 修稿时间： | 2003-04-14 |
Reliability Analysis of Ground Settlement with Shield Tunnel Construction Based on Peck Formula |
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| SONG Ke-zhi. Reliability Analysis of Ground Settlement with Shield Tunnel Construction Based on Peck Formula[J]. JOURNAL OF BEIJING JIAOTONG UNIVERSITY, 2004, 28(4): 30-33 | |
| Authors: | SONG Ke-zhi |
| Affiliation: | SONG Ke-zhi~ |
| Abstract: | This paper analyzes composing of ground settlement and their mechanism, and suggests that many reasons of ground settlement are complicated and random. Based on the Peck formula the paper deduces mean value and standard deviation, and calculates reliability index and defect probability of ground settlement by means of center point method. Finally the method is illuminated by an example. The present method will provides a new path for reliability analysis of ground settlement with shield tunnel. |
| Keywords: | civil engineering and architecture construction shield tunnel ground settlement peck formula reliability |
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