Reinforced concrete shell fire resistance testing system

A technology of reinforced concrete and test system, applied in the direction of material thermal development, etc., can solve problems such as result distortion, data inconsistency, failure to consider the impact of fire resistance, etc., and achieve the effect of high test efficiency and convenient disassembly

Active Publication Date: 2015-06-03
CHINA UNIV OF MINING & TECH
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  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Most of the fire resistance experiments of reinforced concrete shells do not consider the influence of force changes on their fire resistance performance, which leads to the discrepancy between the experimental test results and the actual application environment data, and the results are distorted

Method used

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  • Reinforced concrete shell fire resistance testing system
  • Reinforced concrete shell fire resistance testing system
  • Reinforced concrete shell fire resistance testing system

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Embodiment Construction

[0024] The present invention will be further described below in conjunction with the accompanying drawings.

[0025] like Figures 1 to 5 As shown, the reinforced concrete shell fire resistance test system includes a test furnace device, a loading device and a control and data acquisition device. The test furnace device includes a furnace body (1.1), a trough support (1.5), and an integrated burner (1.6) , the oil supply pipeline (1.7) and the furnace floor (1.8), the cross-section of the channel support (1.5) is a channel steel structure, the width of the notch matches the thickness of the reinforced concrete shell (4), and the reinforced concrete The shell (4) snaps into the notch, the nozzle of the integrated burner (1.6) is set towards the inside of the furnace body (1.1), the oil inlet hole of the integrated burner (1.6) is connected with the oil supply pipe (1.7), and the oil supply The pipeline (1.7) is set outside the furnace body (1.1) and surrounds the furnace body ...

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Abstract

The invention discloses a reinforced concrete shell fire resistance testing system. The system comprises a test furnace, a loading device and a control and data acquisition device; one or more tension-compression sensors (3.1.2) electrically connected to the strain acquisition circuit of the control and data acquisition device are distributed on bottom of a loading beam (2.3); each tension-compression sensor (3.1.2) is connected with a jack (2.4); each jack (2.4) is fixedly connected with a force transfer rod (2.5) which extends into the reinforced concrete shell (4). According to the reinforced concrete shell fire resistance testing system, the jacks are adopted for performing vertical loading so as to simulate the structural stress in the reality; the fire behaviors of the reinforced concrete shell and the influence rule of vertical uniform distribution or integrated tension-compression load effect on the fire resistance of the reinforced concrete shell can be deeply studied, and then the fire resisting design of the reinforced concrete shell can be guided according to the test data and the fire resistance of the reinforced concrete shell can be improved.

Description

technical field [0001] The patent of the present invention relates to a reinforced concrete shell fire resistance test system, in particular to a reinforced concrete shell fire resistance test system using a jack for vertical loading, and belongs to the technical field of disaster prevention and mitigation of building structures. Background technique [0002] With the rapid development of my country's economy, people's living standards and quality have been greatly improved. In recent years, reinforced concrete shell structures have been widely used in construction, energy, marine engineering, aerospace and other industrial fields. Huge loss of life and property. [0003] The fire resistance rating of building components is mainly measured according to the standard fire resistance test, that is, under the specified temperature rise conditions, pressure conditions, loading conditions, and fire conditions, etc., whether the walls, columns, beams, plates, shells and other compon...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N25/22
Inventor 王勇袁广林安晓莉李军崔胜春王立磊李志奇
Owner CHINA UNIV OF MINING & TECH
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