Small earth and rockfill dam face emergency overflow protection material spiral anchoring part

• Main Authors: HE XIANFENG, ZHAO ZHIZHONG, SUN KAIXUAN, LIU WEIWEI, YANG LEI, HE HANG, LI YANZHUO, MA PEIPEI, ZHANG QINGMING, LI HAIXIAO, LI SHUYU, WANG LUJING, LEE BI-DUCK
• Format: Patent
• Language: Chinese; English
• Published: 09.02.2024
• Subjects: EMBANKMENTS; EXCAVATIONS; FIXED CONSTRUCTIONS; FOUNDATIONS; HYDRAULIC ENGINEERING; SOIL SHIFTING; UNDERGROUND OR UNDERWATER STRUCTURES

The utility model discloses a spiral anchoring part of a dam face emergency flood protection material of a small earth and rockfill dam in the technical field of flood fighting equipment. The spiral anchoring part comprises an anchor rod, a pressing plate piece, a screw rod and a nut. The anchor rod comprises a rod body, a conical head and an anchor piece, the lower end of the rod body is connected with the conical head, the surface of the lower end of the anchor rod is connected with the anchor piece, the anchor piece is provided with a single-circle spiral thread and is arranged above the conical head, the rod body is in a hollow pipe shape, a clamping groove is formed in the surface of the upper end of the rod body, and the clamping groove is in a shape like a Chinese character'ao '. According to the scheme, the pulling resistance of the anchoring parts can be improved, the contact friction force of the dam face in unit area is increased, the number of the anchoring parts used in unit area is reduced, a co