高速公路软基路基沉降观测及变形观测技术探讨

发布时间:2015-09-12 17:26:16   来源:文档文库   
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高速公路软基路基沉降观测及变形观测技术探讨

摘要:在沿海地区修建高速公路,常常会遇到软土地基问题。由于软土地基的压缩性高、透水性低以及固结变形持续时间长,因此软土地基沉降量及其速率的预估就成了工程施工中的主要问题。沉降量及其速率的预估是在沉降观测的基础上进行的,所以,我国所有的高速公路项目在修建过程中都必须进行沉降观测。

关键词:软基路基, 路基沉降 ,变形观测

Abstract: in coastal areas built highway, often encounter problems of soft soil foundation. Because of the soft soil foundation, low permeability of high compactness and consolidation deformation lasted for a long time, so soft soil foundation settlement rate and its estimate of the engineering construction is the main problem. The settlement and its estimate of the rate in settlement observation is conducted on the basis of, so, our country all the highway project in the process of building to the settlement observation.

Keywords: soft foundation of roadbed, embankment settlement, deformation observation

  

高速公路路堤施工中必须进行地表沉降址的动态观测,用于沉降管理。其主要目的有:

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