APPLICATION OF NUMERICAL MODELING TO DEWATERING DESIGN FOR FOUNDATION PIT
Sun Rongin',Liang Xing',Zhang Xiaolun',Chen Shulin²
('Engineering Facully, China University of Geoscienes, Wuhan 430074 China) (Wuhan Surveying Geotechnical Research Insitute ofChina Metallurgical Group, Wuhan 430080 China)
Abstract：The total water displacement is obtained through the generalized large well method in the dewatering design for foundation pits, and then the number of wells and space between wells are calculated based on the out-let of single pumping well. The generalized large well method is not applicable when the influence radius doesn't exit and the complicated hydrogeological condition is not fit to the condition ofDupuit well-flow formula.At the same time, simple dewatering design based on uniform or uneven distibution of pumping wells for the complexed deep foundation pit may not always assure the effect ofdewatering. Numerical modeling techologyis suggested to solve the problem. A model of concrete anchor area is built up for a bridge on the lower reach of Yangtze River. The total water displacement is calculated and the collation project of the pumping wells in the dewatering outside of foundation pit is presented.The scheme is successfully used to instruct construction and an ideal eftect is gotten.
引用本文:
孙蓉琳!梁杏1张晓伦!陈树林2. 数值模拟技术在基坑降水中的应用[J]. 岩石力学与工程学报, 2003, 22(S1): 2333-2337.
Sun Rongin',Liang Xing',Zhang Xiaolun',Chen Shulin2. APPLICATION OF NUMERICAL MODELING TO DEWATERING DESIGN FOR FOUNDATION PIT. , 2003, 22(S1): 2333-2337.
2003, Vol. 22 
