多种堆载方式对弃渣场稳定性的探究

Study on the stability of spoil ground by various loading methods

为了研究弃渣场边坡在不同堆载方式下的稳定情况,以某高原铁路弃渣场边坡作为研究对象,通过现场调研、Midas GTX NX数值模拟等方式,研究了弃渣场边坡在多种堆载方式下的应力、应变和安全系数变化情况,探明了弃渣场在堆载完成后只受重力的作用下的稳定性状况。结果表明:顺排压坡脚(现场布置平滑)方式具有最好的稳定性;覆盖式稳定性较差;堆载完的渣场在自身重力情况下即可处于稳定状态。

In order to study the stability of the spoil site slope under different loading modes,taking the spoil site slope of a plateau railway as the research object,through field investigation and Midas GTX NX numerical simulation,the stress,strain and safety coefficient changes of the spoil site slope under various loading modes are studied,and the stability of the spoil site under the action of gravity after the completion of loading is proved.The results show that:the way of discharging pressure slope toe(smooth arrangement on site)has the best stability;the covering type has poor stability;the loaded slag yard can be in a stable state under its own gravity.