Device for tamping backfill triangular area at bottom of pipeline

The invention provides a device for tamping a pipeline bottom backfill triangular area, the device comprises a moving frame and a tamping assembly arranged in the moving frame, the moving frame is provided with a telescopic left frame and a telescopic right frame, and the bottom of the moving frame...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	PANG YI, SHI JIANFEI, FENG XIAOSHUANG, CHEN YUZHENG, SHEN SHIDA, YANG YIZHOU, HU HANGANG, HUANG YAOSONG, TAN PENG, GAN XIAOJIN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	EMBANKMENTS EXCAVATIONS FIXED CONSTRUCTIONS FOUNDATIONS HYDRAULIC ENGINEERING SOIL SHIFTING UNDERGROUND OR UNDERWATER STRUCTURES
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