管袋坝芯砂体沿袋间接缝渗透试验研究装置及方法

为了对管袋坝芯砂体在单向流作用下沿袋间接缝渗透变形问题作较深入的研究,提出了一种试验研究装置及试验方法;详细介绍了装置设计原理,装置组成部分;并叙述了试验方法,包括试验材料和试验过程,试验过程主要分为试验准备、试验实施、试验后处理3个步骤;最后,阐述了管袋坝芯砂体在单向流作用下沿袋间接缝渗透变形试验研究基本目标,包括渗透变形机理、渗透变形影响因素、渗透破坏判别方法以及渗透破坏防止措施.

Experimental Study Device and Test Method for Seepage of Core Sand Through Seams Between Tubes of Geotube Dam

An experimental study device and test method are proposed in order to do a more in-depth research about seepage deformation problem occurred in seams between tubes of geotube dam under the condition of u- nidirectional flow. The design principles and components of the device are described in detail. The test meth- od is also described in detail, including experimental materials and three processes： preparation for the test, operation of the test, post-treatment of the test. Finally, the basic goals of experimental study about seepage deformation occurred in seams between tubes of geotube dam under the condition of unidirectional flow are ex- plained, including seepage deformation mechanism,seepage deformation factors, discriminating method of in- filtration and sabotage and measures to prevent infiltration and sabotage.