Grouting equipment for fault fracture rock mass in geotechnical engineering

• Main Authors: ZHAO CHANGJUN, NING RUNDONG, ZHUANG XUQIANG, ZHOU KUNHONG, CHEN KUN
• Format: Patent
• Language: Chinese; English
• Published: 23.02.2024
• Subjects: EARTH DRILLING; EMBANKMENTS; EXCAVATIONS; FIXED CONSTRUCTIONS; FOUNDATIONS; GALLERIES; HYDRAULIC ENGINEERING; LARGE UNDERGROUND CHAMBERS; MINING; SHAFTS; SOIL SHIFTING; TUNNELS; UNDERGROUND OR UNDERWATER STRUCTURES

In order to improve the concrete pouring compactness of the interior, especially the bottom position, of a crack, the geotechnical engineering fault crack rock mass grouting equipment is provided and comprises an anchor rod and an inner inserting rod, the anchor rod comprises a vertical section and a pointed section, vertical locking receding holes are formed in the two opposite sides of the vertical section, and the inner inserting rod is inserted into the vertical section; a locking sharp knife is hinged to the top of the locking receding hole, the inner inserting rod is used for being inserted into the anchor rod, a plurality of grout outlets are evenly formed in the circumferential face of the inner inserting rod, elastic pieces used for covering the inner inserting rod are arranged at the tops of the grout outlets, and an ejector rod assembly is arranged at the center of the interior of the inner inserting rod. An auxiliary cross rod connected with the ejector rod assembly is slidably arranged in the mid