Dynamic simulation design method of construction of improving soft soil foundations of expressways and its application

ZHANG Kai-peng; XIA Yuan-you; RUI Rui; FENG Zhong-ren; CHEN Ze-song

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Dynamic simulation design method of construction of improving soft soil foundations of expressways and its application

更新时间：2026-06-25

- Dynamic simulation design method of construction of improving soft soil foundations of expressways and its application
- Vol. 26, Issue 8, (2005)
- 作者机构：
  
  1. 武汉理工大学,武汉,430070
  2. 广东省路桥发展有限公司,广州,510635
- 作者简介：
- 基金信息：
- DOI：
  CLC： TU471+.8
- Online First：26 December 2013，
  
  Published：2005
- 稿件说明：
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ZHANG Kai-peng, XIA Yuan-you, RUI Rui, et al. Dynamic simulation design method of construction of improving soft soil foundations of expressways and its application[J]. 2005, 26(8).
DOI：

ZHANG Kai-peng, XIA Yuan-you, RUI Rui, et al. Dynamic simulation design method of construction of improving soft soil foundations of expressways and its application[J]. 2005, 26(8). DOI：

摘要

针对高速公路软基处理设计和施工中存在的事后调整和盲目性的问题，提出了一种动态仿真设计的方法，实现了对软土路基施工的动态设计。该方法利用仿真计算，对路堤以及每一阶段的填土高度、速率进行设计，制定每一阶段的加载方案，并进行监测，利用监测数据对计算参数进行修正后代入仿真计算中对加载方案以及路堤设计进行调整，实现动态过程；重点解决了整个动态仿真设计的实现流程、软土强度增长的计算、参数修正方法等问题，使对整个施工过程进行动态设计和及时调整加载方案成为可能；该方法使施工监测控制由事后控制模式变为事前控制模式，有效避免或减少事故发生。该方法已应用于某高速公路软基施工，取得了很好的效果。

Abstract

Aiming at the blindness and controlling afterwards existing in the expressway soft ground design and construction

a method of dynamic simulation design was put forward to control the soft ground construction. According to the data achieved through soft ground monitoring

a simulation calculation was used to design the fill height and the filling rate of each construction stage

a loading project was done. Monitoring was going on through the process of construction. We analyzed the data achieved to amend geologic parameters used in the next step of simulation calculation. Carrying on this procedure time after time

dynamic simulation control and dynamic design of the whole process of construction is realized. The flow chart of the whole dynamic simulation design was established here. Problems of how to calculate some soil parameters such as consolidation coefficient by the monitoring data

and how to take the strength increase of the soft soil into account was solved in the dynamic simulation design too. Applying in the construction of an expressway

this method turned the construction from mode of controlling afterwards to the mode of controlling beforehand

avoided blindness and many accidents in the construction effectively.

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