Spatial Liquefaction Analysis of Nanjing Subway Soil Foundation in View of MapInfo

孙树林; 甘欣; 周云东; 周剑峰

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Spatial Liquefaction Analysis of Nanjing Subway Soil Foundation in View of MapInfo

更新时间：2025-12-11

- Spatial Liquefaction Analysis of Nanjing Subway Soil Foundation in View of MapInfo
- Issue 1, Pages: 80-83(2003)
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  CLC： U435
- Published：2003
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[1]孙树林,甘欣,周云东,周剑峰.基于MapInfo的南京地铁砂土地基液化空间分析[J].防灾减灾工程学报,2003(01):80-83.

孙树林, 甘欣, 周云东, et al. Spatial Liquefaction Analysis of Nanjing Subway Soil Foundation in View of MapInfo[J]. 2003, (1): 80-83.
[1]孙树林,甘欣,周云东,周剑峰.基于MapInfo的南京地铁砂土地基液化空间分析[J].防灾减灾工程学报,2003(01):80-83. DOI：

孙树林, 甘欣, 周云东, et al. Spatial Liquefaction Analysis of Nanjing Subway Soil Foundation in View of MapInfo[J]. 2003, (1): 80-83. DOI：

摘要

南京地铁一期工程南起小行

北至迈皋桥车站

全长共约16.9 km。主干线施工区域多分布在秦淮河古河道沉积砂层

在地震等外在应力的影响下容易发生液化。由于影响砂土液化的因素有很多

且短时期内难于完全理清

而现代施工工艺需要随时对原先不准确的预测作出调整。本文介绍了一种通过引入GIS基础平台强大的图像处理功能（包括分层查询、专题地图、空间分析等）来建立砂土液化数据库并进行液化空间分析和管理的砂土液化评估方法

详细阐述了分析的过程和评价系统的建立

并对南京地铁地基液化进行了实例分析

该方法弥补了传统的砂土液化分析方法抽象、低效且不便于管理的缺点

为及时进行工程论证提供了依据。

Abstract

The first phase of Nanjing subway proiect is from Xiaohang to Maigaoqiao station

the length of the whole route is 16. 9 km. The main line passes through large area of soil sedimentation layers

which will be easily affected by the stress of earthquake and liquefactcd. Bcacause many factors can cause the soil tobe liquefactcd and the mechanism couldn’t be understood clearly in short period

the geological circumstances should be reestimated in the process of construction. In this paper

an estimation method about spatial analysis of liquefaction of soil is introduced in view of GIS. The analysis process and the establishment of analytical system are detailly introduced. Then it is applied in the project of Nanjing subway

which give the proof for the estimation of the project.

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references

建筑物饱和砂土地基地震液化判别的简化分析方法 [J]. 门福录,崔杰,景立平,陈文化. 水利学报 . 1998(05)

饱和原状砂土的静、动力强度特性试验研究 [J]. 刘小生,汪闻韶,赵冬. 水利学报 . 1991(11)

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