[1]张继文,于永堂,李 攀,等.黄土削峁填沟高填方地下水监测与分析[J].西安建筑科技大学学报(自然科学版),2016,48(04):477-483.[doi:10.15986/j.1006-7930.2016.04. 003]
　ZHANG Jiwen,YU Yongtang,LI Pan,et al.Groundwater monitoring and analysis of high fill foundation[J].J. Xi’an Univ. of Arch. & Tech.(Natural Science Edition),2016,48(04):477-483.[doi:10.15986/j.1006-7930.2016.04. 003]
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黄土削峁填沟高填方地下水监测与分析()
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西安建筑科技大学学报（自然科学版）[ISSN:1006-7930/CN:61-1295/TU]

卷:
48
期数:
2016年04期
页码:
477-483
栏目:
出版日期:
2016-08-31

文章信息/Info

Title:
Groundwater monitoring and analysis of high fill foundation
文章编号:
1006-7930(2016)04-0477-07
作者:
张继文1; 3; 于永堂1; 2; 3; 李 攀 1; 3; 杜伟飞 1; 3; 刘 智 1; 3
(1. 机械工业勘察设计研究院有限公司,陕西 西安 710043;2. 西安建筑科技大学土木工程学院,陕西 西安 710055; 3. 陕西省特殊土工程性质与处理技术重点实验室,陕西 西安 710043)
Author(s):
ZHANG Jiwen1; 3;  YU Yongtang1; 2; 3;  LI Pan1; 3;  DU Weifei1; 3;  LIU Zhi1; 3
(1. China JK Institute of Engineering Investigation and Design Co., Ltd., Xian 710043, China; 2. College of civil engineering, Xian University of Architecture and Technology, Xian 710055, China; 3. Shaanxi Key Laboratory of Engineering Behavior and Foundation Treatment for Special Soil, Xian 710043, China)
关键词:
黄土; 高填方; 地下水监测; 孔隙水压力
Keywords:
loess;  high fill foundation;  groundwater monitoring;  pore water pressure
分类号:
TU411.91
DOI:
10.15986/j.1006-7930.2016.04. 003
文献标志码:
A
摘要:
为研究黄土削峁填沟高填方地基的地下水变化规律，对某黄土高填方工程施工期和竣工后的地下水位、孔隙水压力、盲沟水流量、地表水入渗情况进行了监测和分析．监测结果显示：填方施工抬高了局部地下水排泄基准面，工后形成稳定的排水通道后，地下水可通过沟道内敷设的盲沟排出；盲沟水流量与降雨量的季节分配具有响应关系，地下水以降水补给为主，随季节周期性变化；填土施工使饱和土中产生超静孔隙水压力，孔压增量与上部荷载增量存在线性关系，表明地基土处于稳定状态，停荷恒载，孔压逐步消散；填方区地下水埋藏深度大，压实黄土的抗渗能力强，短时地表径流和积水难以通过重力下渗方式形成对地下水的补给，但场地内发育的裂缝易成为地表水下渗通道，应引起足够重视．
Abstract:
In order to identify the dynamic variation regularities of groundwater of high fill foundation project in loess hilly-gully region, the underground water level, pore water pressure and water?infiltration?depth of a specific engineering are monitored during construction and post-construction periods. The variation?of the groundwater and its influence factors are analyzed. The monitoring results show that the groundwater level is raised in local?area during the construction periods, but when the stability drainage path is set up, the water can be discharged by blind ditches in the gully bottom. The water flow of the blind ditches is in a response relation to the seasonal distribution of rainfall and mainly supplied by atmospheric precipitation. The excess pore water pressure increased with the increasing thickness of earth filling and dissipated gradually after the loading stop. There is a linear relationship between pore pressure increment and load increment, which means a stable state. The buried depth of groundwater in filling area is deep, and the compacted loess is of low-permeability, thus the short-term surface runoff and surface water infiltration can’t recharge the groundwater, but the fissure in construction?site may become the route for surface water infiltration, which?requires more attention

参考文献/References:

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备注/Memo

备注/Memo:

收稿日期：2015–09–09 修改稿日期：2016-08-25

基金项目：国家科技支撑计划项目资助(2013BAJ06B01)

作者简介：张继文（ 1973-），男，教授级高工，主要从事岩土工程勘察设计、检测与监测技术方面的实践与研究工作． E-mail：xajk369@163.com．
更新日期/Last Update: 2016-10-13