Pre-formed hole in-hole tamping device and tamping method thereof

• Main Authors: ZHANG ZHONGDAO, DENG YURONG, LIU JUNBI, GUO GUIMIN, GAO BINFENG, XU WANLONG, WANG XILIANG
• Format: Patent
• Language: Chinese; English
• Published: 09.02.2021
• Subjects: EMBANKMENTS; EXCAVATIONS; FIXED CONSTRUCTIONS; FOUNDATIONS; HYDRAULIC ENGINEERING; SOIL SHIFTING; UNDERGROUND OR UNDERWATER STRUCTURES

The invention discloses a pre-formed hole in-hole tamping device and a tamping method thereof. The tamping device comprises a pile casing, a feeding device, a hydraulic transmission device and a rammer, the pile casing is matched with a preformed hole, a hanging seat for hooking hoisting equipment i...