A Comparative Analysis on Determination Methods of Up-floating Water Level ——A case study of Sandaocundong Station of East Extension Line of Changchun Metro Line 2

WANG Yubo

doi:10.19751/j.cnki.61-1149/p.2020.04.019

Northwestern Geology > 2020 > 53(4): 207-215. > DOI: 10.19751/j.cnki.61-1149/p.2020.04.019

WANG Yubo. A Comparative Analysis on Determination Methods of Up-floating Water Level ——A case study of Sandaocundong Station of East Extension Line of Changchun Metro Line 2[J]. Northwestern Geology, 2020, 53(4): 207-215. DOI: 10.19751/j.cnki.61-1149/p.2020.04.019

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A Comparative Analysis on Determination Methods of Up-floating Water Level ——A case study of Sandaocundong Station of East Extension Line of Changchun Metro Line 2

WANG Yubo

1. Beijing Urban Construction Exploration & Surveying Design Research Institute CO, Ltd., Beijing 100101, China;
2. Beijing Key Laboratory of Geotechnical Engineering for Deep Foundation Pit of Urban Rail Transit, Beijing 100101, China

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Received Date: December 04, 2019
Revised Date: April 05, 2020
Available Online: July 28, 2022
Published Date: December 04, 2020

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Abstract

Abstract

This paper takes Sandaocundong Station of East Extension Line of Changchun Metro Line 2 as an example, using such methods as numerical simulation method, dynamic curve analogy method, frequency analysis method and BP neural network method to predict the possible maximum water level in the next century. The prediction results of groundwater depth from four methods are 2.0m, 2.31 m, 2.05 m and 2.13 m respectively. The monitoring of pore water pressure shows that there is no reduction of pore water pressure in this station. The final buried depth of up-floating water level is 2.0 m and the up-floating water level is 257.2 m.
- up-floating water level,
- GMS,
- BP neural network,
- prediction of underground water level

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A Comparative Analysis on Determination Methods of Up-floating Water Level ——A case study of Sandaocundong Station of East Extension Line of Changchun Metro Line 2

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