【摘要】 在有3~5 m承压水头的粉细砂层中,通过对传统轻型井点设备进行系统改进,取得了经济技术效果。新方法工效提高9倍,且成孔快、安拆方便、带动井点多、控制面积大、成本低。更多还原

【Abstract】 In a fine sand layer,there is 3～5 m artesian water head,through improving tradition light type well point equipments,the economic benefit and technological results are got,new method can raise work efficiency for folds,and hole forming is quick,installation and disassembly are convenient,it brings along more well points,controlling areas are large and the cost is low.更多还原