临水强透水地层船闸基坑帷幕防渗与管井降水措施研究
U641%TU46+3; 临水强透水地层总是伴随着高地下水的特点,对于该地层的基坑施工易造成许多危害和不利影响,因此需要采用帷幕和管井的防渗降水措施,目前对于帷幕和管井的防渗降水效果的评价方式仍处于探索阶段.利用ABAQUS有限元计算软件,分别对帷幕和管井作用下的基坑渗流特征进行研究,采用单宽渗流量、帷幕降水深度、边坡水位作为帷幕防渗效果的评价标准,采用管井流量和边坡水位作为管井降水效果的评价标准,对帷幕深度和帷幕距基坑的距离以及管井深度、管井间距和管井半径进行敏感性分析,并对帷幕管井共同作用下帷幕和管井的防渗降水效果进行分析,为船闸基坑工程中帷幕和管井的布置方案提供设计依据....
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| Published in | 中国农村水利水电 no. 7; pp. 150 - 156 |
|---|---|
| Main Authors | , , , |
| Format | Journal Article |
| Language | Chinese |
| Published |
武汉大学 水工岩石力学教育部重点实验室,湖北 武汉 430072
15.07.2024
湖南省水运建设投资集团有限公司,湖南 长沙 410004%武汉大学 水资源工程与调度全国重点实验室,湖北 武汉 430072%武汉大学 水资源工程与调度全国重点实验室,湖北 武汉 430072 海绵城市建设水系统科学湖北省重点实验室(武汉大学),湖北 武汉 430072 |
| Subjects | |
| Online Access | Get full text |
| ISSN | 1007-2284 |
| DOI | 10.12396/znsd.231129 |
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| Abstract | U641%TU46+3; 临水强透水地层总是伴随着高地下水的特点,对于该地层的基坑施工易造成许多危害和不利影响,因此需要采用帷幕和管井的防渗降水措施,目前对于帷幕和管井的防渗降水效果的评价方式仍处于探索阶段.利用ABAQUS有限元计算软件,分别对帷幕和管井作用下的基坑渗流特征进行研究,采用单宽渗流量、帷幕降水深度、边坡水位作为帷幕防渗效果的评价标准,采用管井流量和边坡水位作为管井降水效果的评价标准,对帷幕深度和帷幕距基坑的距离以及管井深度、管井间距和管井半径进行敏感性分析,并对帷幕管井共同作用下帷幕和管井的防渗降水效果进行分析,为船闸基坑工程中帷幕和管井的布置方案提供设计依据. |
|---|---|
| AbstractList | U641%TU46+3; 临水强透水地层总是伴随着高地下水的特点,对于该地层的基坑施工易造成许多危害和不利影响,因此需要采用帷幕和管井的防渗降水措施,目前对于帷幕和管井的防渗降水效果的评价方式仍处于探索阶段.利用ABAQUS有限元计算软件,分别对帷幕和管井作用下的基坑渗流特征进行研究,采用单宽渗流量、帷幕降水深度、边坡水位作为帷幕防渗效果的评价标准,采用管井流量和边坡水位作为管井降水效果的评价标准,对帷幕深度和帷幕距基坑的距离以及管井深度、管井间距和管井半径进行敏感性分析,并对帷幕管井共同作用下帷幕和管井的防渗降水效果进行分析,为船闸基坑工程中帷幕和管井的布置方案提供设计依据. |
| Abstract_FL | The strongly permeable stratum of waterfront is always accompanied by high groundwater characteristics,which is prone to cause many hazards and adverse effects on the construction of foundation pits in this stratum.It is necessary to use curtain and tube well seepage prevention and lowering measures.The evaluation methods of seepage prevention and lowering effects of curtain and tube well are still in the exploration stage.In this paper,ABAQUS finite element calculation software is used to research the seepage characteristics of the pit under the action of curtain and tube well respectively.Single-width seepage volume,curtain precipitation depth and slope water level are used to evaluate the curtain seepage control effect,and tube well flow rate and slope water level are used to evaluate tube well precipitation effect.Then sensitivity analysis is conducted on the curtain depth and distance of curtain from the pit,as well as the tube well depth,tube well spac-ing and tube well radius.In addition,the effect of curtain and tube well on seepage control and precipitation under the joint action of curtain and tube well is analyzed.The results can provide a design basis for the arrangement of curtain and tube well in the ship lock foundation pit project. |
| Author | 苏凯 徐世濠 邹开明 张文侃 |
| AuthorAffiliation | 湖南省水运建设投资集团有限公司,湖南 长沙 410004%武汉大学 水资源工程与调度全国重点实验室,湖北 武汉 430072%武汉大学 水资源工程与调度全国重点实验室,湖北 武汉 430072;武汉大学 水工岩石力学教育部重点实验室,湖北 武汉 430072;海绵城市建设水系统科学湖北省重点实验室(武汉大学),湖北 武汉 430072 |
| AuthorAffiliation_xml | – name: 湖南省水运建设投资集团有限公司,湖南 长沙 410004%武汉大学 水资源工程与调度全国重点实验室,湖北 武汉 430072%武汉大学 水资源工程与调度全国重点实验室,湖北 武汉 430072;武汉大学 水工岩石力学教育部重点实验室,湖北 武汉 430072;海绵城市建设水系统科学湖北省重点实验室(武汉大学),湖北 武汉 430072 |
| Author_FL | ZOU Kai-ming XU Shi-hao SU Kai ZHANG Wen-kan |
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| DocumentTitle_FL | Research on Curtain Seepage Control and Tube Well Precipitation Measures for Ship Lock Pits with Strongly Permeable Stratum of Waterfront |
| EndPage | 156 |
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| Keywords | seepage simulation 管井降水 curtain seepage control 临水基坑 渗流模拟 帷幕防渗 tube well precipitation waterfront pit |
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| Title | 临水强透水地层船闸基坑帷幕防渗与管井降水措施研究 |
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