Fractured rock mass multi-section self-expansion anchor rod and method for calculating drawing force of anchor rod

The invention provides a fractured rock mass multi-section self-expansion anchor rod and an anchor rod drawing force calculation method. The fractured rock mass multi-section self-expansion anchor rod comprises an anchoring structure, a sleeve, an expansion assembly and a movable extrusion assembly....

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Hauptverfasser:	WANG WEI, NIU QINGHE, YUAN WEI, PEI ZIHAO, WANG ANLI, SUN RUIFENG, WANG LIYAN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	EARTH DRILLING EMBANKMENTS EXCAVATIONS FIXED CONSTRUCTIONS FOUNDATIONS GALLERIES HYDRAULIC ENGINEERING LARGE UNDERGROUND CHAMBERS MINING SHAFTS SOIL SHIFTING TUNNELS UNDERGROUND OR UNDERWATER STRUCTURES
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creator	WANG WEI NIU QINGHE YUAN WEI PEI ZIHAO WANG ANLI SUN RUIFENG WANG LIYAN
description	The invention provides a fractured rock mass multi-section self-expansion anchor rod and an anchor rod drawing force calculation method. The fractured rock mass multi-section self-expansion anchor rod comprises an anchoring structure, a sleeve, an expansion assembly and a movable extrusion assembly. The anchoring structure is used for making contact with the hole wall of the fractured rock mass. The sleeve is arranged on the periphery of the anchoring structure in a sleeving mode and is in sliding connection with the anchoring structure, and the sleeve is arranged in the vertical direction; a plurality of avoiding notches are formed in the sleeve, and the avoiding notches are arranged around the central axis of the sleeve at intervals; the number of the expansion assemblies is multiple, the expansion assemblies and the avoiding notches are arranged in a one-to-one correspondence mode, the expansion assemblies are arranged on the anchoring structure, and the expansion assemblies are arranged in the correspondi
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language	chi ; eng
recordid	cdi_epo_espacenet_CN116517606A
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subjects	EARTH DRILLING EMBANKMENTS EXCAVATIONS FIXED CONSTRUCTIONS FOUNDATIONS GALLERIES HYDRAULIC ENGINEERING LARGE UNDERGROUND CHAMBERS MINING SHAFTS SOIL SHIFTING TUNNELS UNDERGROUND OR UNDERWATER STRUCTURES
title	Fractured rock mass multi-section self-expansion anchor rod and method for calculating drawing force of anchor rod
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