Research on numerical simulation of dewatering effect and design optimization

ZHANG Yan-jun; ZHAO Long; QI Fu-li; NI Fu-quan

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Research on numerical simulation of dewatering effect and design optimization

更新时间：2026-06-25

- Research on numerical simulation of dewatering effect and design optimization
- Vol. 29, Issue 10, (2008)
- 作者机构：
  
  1. 吉林大学建设工程学院,长春,130026
  2. 黑龙江省九〇四水文地质工程地质勘察院，双城堡,150100
  3. 四川农业大学,雅安,625014
- 作者简介：
- 基金信息：
- DOI：
  CLC： TD74
- Online First：03 August 2013，
  
  Published：2008
- 稿件说明：
移动端阅览
ZHANG Yan-jun, ZHAO Long, QI Fu-li, et al. Research on numerical simulation of dewatering effect and design optimization[J]. 2008, 29(10).
DOI：

ZHANG Yan-jun, ZHAO Long, QI Fu-li, et al. Research on numerical simulation of dewatering effect and design optimization[J]. 2008, 29(10). DOI：

摘要

降水在各类工程中使用的越来越多，已形成了一套设计和施工方法，但其降水效果分析却少有人研究。针对某露天煤矿开挖中的降水疏干工程，开展了大规模的数值模拟研究。在掌握水文地质条件的基础上，通过Modflow建立了较合理的数值模型，对不同工况的降水效果进行了详细的分析，实际计算表明，加井时间、调整单井抽水量、井的数目、井的排列以及它们的相互作用对降水效果有很大影响。分批次、分时段、优化井排列和调整单井抽水量是提高降水效果的设计措施和优化设计的重要影响因素，这些因素的作用规律将为降水设计和施工以及实际工程效果提供重要理论依据。

Abstract

Up to now

dewatering applies more and more in kinds of works; and a set of design and construct methods form. However

few people study the analysis of the dewatering effect. Large scale numerical model research carries out for the dewatering drainage engineering in a certain open coal mine excavation. Based on the hydrogeological condition

a reasonable numerical model builds up by using Modflow

and it is analyzed the detail dewatering effect under different conditions. Actual calculation results show that the dewatering effect influences greatly by factors such as the time of wells added

the single well pumpage

the amount and array of the wells

and the interaction among the wells

etc. Batch & time-sharing

wells array optimizing and single well pumpage adjusting are the most important influence factors of the optimized design and the design measure to enhance the water lowering effect. The action rule of these factors will provide some essential bases for the dewatering design and construction and actual engineering effect.

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