Different-scale crushing coal rock compression carrying experiment method under effect of variable pre-tightening force

Different-scale crushing coal rock compression carrying experiment method under effect of variable pre-tightening force

The invention discloses a different-scale crushing coal rock compression carrying experiment method under the effect of variable pre-tightening force. The method mainly comprises the following steps of putting a fixing device onto the bottom loading axis of a rigid experiment machine; determining th...

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Hauptverfasser: NIU XIAOSEN, AN DINGCHAO, GOU PANFENG, XIN YAJUN, YANG KAI, HAO HAICHUN, YANG JUNHUI, LYU XIN
Format: Patent
Sprache:chi ; eng
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INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MEASURING
PHYSICS
TESTING
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creator NIU XIAOSEN
AN DINGCHAO
GOU PANFENG
XIN YAJUN
YANG KAI
HAO HAICHUN
YANG JUNHUI
LYU XIN
description The invention discloses a different-scale crushing coal rock compression carrying experiment method under the effect of variable pre-tightening force. The method mainly comprises the following steps of putting a fixing device onto the bottom loading axis of a rigid experiment machine; determining the installation position of a slide moving device according to the coal rock body scale parameter; performing monitoring device debugging and horizontal pre-tightening force applying according to the designed coal rock body anchoring parameter; performing crushing coal rock body material charging andfilling and leveling in a carrying box; performing a single-shaft compression carrying experiment on the crushing coal rock body under the effect of the pre-tightening force; analyzing the collectedhorizontal and vertical direction data of the crushed coal rock body. The method has the characteristics that the operation is easy; the steps are reasonable; the experiment is precise, and the like.The carrying characteristic
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subjects INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MEASURING
PHYSICS
TESTING
title Different-scale crushing coal rock compression carrying experiment method under effect of variable pre-tightening force
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