Long-span box beam dynamic bending ultimate strength test device

Long-span box beam dynamic bending ultimate strength test device

The invention discloses a long-span box beam dynamic bending ultimate strength test device. Dynamic pure bending load loading of a box beam test model is realized through an assembly type drop hammer and a distribution beam, and the dynamic load amplitude is changed by adjusting the mass and height...

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Hauptverfasser: CUI JINJU, XIONG YUFEI, WANG DEYU, CAI SHIJIAN, SHI GUIJIE, CAI ZHONGHUA, CHEN TAO, WANG FUHUA, LIU YACHONG
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 CUI JINJU
XIONG YUFEI
WANG DEYU
CAI SHIJIAN
SHI GUIJIE
CAI ZHONGHUA
CHEN TAO
WANG FUHUA
LIU YACHONG
description The invention discloses a long-span box beam dynamic bending ultimate strength test device. Dynamic pure bending load loading of a box beam test model is realized through an assembly type drop hammer and a distribution beam, and the dynamic load amplitude is changed by adjusting the mass and height of the drop hammer. The natural vibration frequency of the box beam test model is changed by adjusting the single weight and number of the counterweight parts, secondary impact of a drop hammer is prevented through combined control of an electromagnet and a laser sensor, insertion connection and fixation can be performed through clamping fixation and sliding contact of two fixing parts, box beam test models of different lengths can be fixed conveniently, meanwhile, the fixing parts and a guide frame of the device adopt a separated design, flexible change and adjustment can be carried out, the operation is convenient, the experiment speed is accelerated, and the box beam test model is prevented from bouncing after b
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subjects INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MEASURING
PHYSICS
TESTING
title Long-span box beam dynamic bending ultimate strength test device
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