摘要
水闸墙在煤矿隔离老空水、底板水等水患中应用较多,然而其渗流稳定性研究较少;通过ADINA温度场模拟高压水闸墙渗流场,分别考虑了6 MPa和8.4 MPa水头压力下水闸墙完整及损伤条件下的渗流稳定性;研究表明水闸墙及围岩的应力随着迎水面水压力的增加而增加;随着迎水面加固段、第1段墙体和第2段墙体与围岩接触段的逐次破坏,水压力不断向背水面推移,背水面发生渗漏、涌水的风险逐渐增加;完整的水闸墙、围岩及其接触段可有效阻隔高压水渗流。
The high pressure water walls were used to isolate goaf water and floor water.There was little research on seepage stability of high pressure water wall.Simulating the seepage stability of high pressure water wall based on ADINA temperature field.Considering the seepage stability of high pressure water wall under pressure of 6 MPa and 8.4 MPa.The research show that the stress of the high pressure water wall and surrounding rock increased with the increase of water pressure.As the contact zone of the reinforcement section,the first section of the wall and the second section of the wall with the surrounding rock progressive failure,water pressure constantly moved to the back of the wall.The risk of seepage and flooding was gradually increasing.The complete high pressure water wall,and surrounding rock and their contact section could effectively block the water seepage.
作者
王海
WANG Hai(Xi＇an Research Institute,China Coal Technology and Engineering Group Corp.,Xi＇an 710054,China;China University of Mining and Technology,Xuzhou 221008,China)
出处
《煤炭技术》
CAS
2018年第10期228-230,共3页
Coal Technology
关键词
高压水闸墙
温度场
渗流场
水压力
接触带
high pressure water wall
temperature field
seepage field
water pressure
contact zone
