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A platform for research: civil engineering, architecture and urbanism
Large-aperture single-hole non-pressure grouting method for karst water inrush
The invention provides a large-aperture single-hole non-pressure grouting method for karst water inrush. The large-aperture single-hole non-pressure grouting method comprises the following steps that1, a grouting hole and an air outlet hole are constructed; 2, a sleeve is hoisted and placed into the grouting hole, a grouting hopper is hoisted and inserted into the upper end of the sleeve, a lifting appliance of a crane is connected with a lifting lug on the sleeve, a grouting material is injected from the upper end of the grouting hopper through a grouting pipe of a grouting pump truck, and meanwhile the sleeve is hoisted to do up-down reciprocating motion; 3, when the water amount of a karst water inrush water outlet is obviously reduced to the flow, the up-down motion of the sleeve is stopped, and the grouting material continues to be poured; and 4, after the construction grouting hole is filled with the grouting material, hole sealing treatment is carried out. According to the grouting method, a large-size and large-water-pressure karst water inrush channel can be efficiently blocked.
本发明提供了一种岩溶突水的大孔径单孔无压灌浆方法，包括以下步骤：步骤1、施工灌浆孔和出气孔；步骤2、吊装套管并放入灌浆孔内，吊装灌浆斗并插入套管上端，将起重机的吊具与套管上的吊耳连接，通过注浆泵车的注浆管由所述灌浆斗上端注入灌浆材料，同时起吊所述套管进行上下往复运动；步骤3、岩溶突水出水口水量至流量明显减小时，停止所述套管的上下运动，并继续灌注注浆材料；步骤4、所述施工灌浆孔灌满后进行封孔处理。该灌浆方法能够高效封堵大尺寸、大水压岩溶突水通道。
Large-aperture single-hole non-pressure grouting method for karst water inrush
The invention provides a large-aperture single-hole non-pressure grouting method for karst water inrush. The large-aperture single-hole non-pressure grouting method comprises the following steps that1, a grouting hole and an air outlet hole are constructed; 2, a sleeve is hoisted and placed into the grouting hole, a grouting hopper is hoisted and inserted into the upper end of the sleeve, a lifting appliance of a crane is connected with a lifting lug on the sleeve, a grouting material is injected from the upper end of the grouting hopper through a grouting pipe of a grouting pump truck, and meanwhile the sleeve is hoisted to do up-down reciprocating motion; 3, when the water amount of a karst water inrush water outlet is obviously reduced to the flow, the up-down motion of the sleeve is stopped, and the grouting material continues to be poured; and 4, after the construction grouting hole is filled with the grouting material, hole sealing treatment is carried out. According to the grouting method, a large-size and large-water-pressure karst water inrush channel can be efficiently blocked.
本发明提供了一种岩溶突水的大孔径单孔无压灌浆方法，包括以下步骤：步骤1、施工灌浆孔和出气孔；步骤2、吊装套管并放入灌浆孔内，吊装灌浆斗并插入套管上端，将起重机的吊具与套管上的吊耳连接，通过注浆泵车的注浆管由所述灌浆斗上端注入灌浆材料，同时起吊所述套管进行上下往复运动；步骤3、岩溶突水出水口水量至流量明显减小时，停止所述套管的上下运动，并继续灌注注浆材料；步骤4、所述施工灌浆孔灌满后进行封孔处理。该灌浆方法能够高效封堵大尺寸、大水压岩溶突水通道。
Large-aperture single-hole non-pressure grouting method for karst water inrush
一种岩溶突水的大孔径单孔无压灌浆方法
CHEN JIE (author) / YANG FAN (author) / FAN XIAOJUN (author) / TIAN CHONG (author) / DU ZUNLONG (author) / HE XIAOXUE (author) / TONG JIAKUN (author) / ZHU MIN (author)
2020-08-07
Patent
Electronic Resource
Chinese
IPC:
E02D
FOUNDATIONS
,
Gründungen
STUDY ON A NEW DESIGN OF GROUTING PUMP FOR MANAGING WATER INRUSH IN KARST TUNNELS
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