软岩地区钻机选型探讨

Discussion on Selection of Drilling Rig in Soft Rock Area

中车青岛四方机车车辆厂厂区铁路试验线工程中特大桥工程沿线地势平坦,局部风化岩裸漏,施工工期短,施工场地狭小,在软岩中施工桩基成为本桥工期保证的关键项。本文详细介绍了钻机选型过程、试验结果以及应用过程,取得完美的实际应用效果。

The construction of the special bridge project in the railway test plant of Qingdao Sifang Locomotive and Rolling Stock Planthas the characteristics of flat terrain,local weathering rock leakage,short construction period and narrow construction site.The constructionof pile foundation in soft rock is the key to guarantee the duration of the bridge item.This paper introduces the process of drilling rigselection,test results and application process,and obtains the perfect practical application effect.