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A Cascade High Energy Earthquake-Fire Coupling Test System

A test system and high-energy technology, applied in vibration testing, machine/structural component testing, instruments, etc., can solve problems such as unusable loading beams, high technical difficulties, and model damage, so as to avoid manual work at high altitudes and solve the problem of net height Effect of limitation and reduction of hoisting weight

Active Publication Date: 2022-05-17
CHINA UNIV OF MINING & TECH
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Problems solved by technology

[0003] However, there are several problems in the test process: (1) During the process of moving the test model, damage to the model and residual deformation may be caused; (2) The conventional fire test furnace can only be used for the test of component specimens, and cannot be used for multi-layer frames The test of the overall structure, and the test of a certain layer of the multi-layer frame cannot be carried out; (3) the size of the test furnace is fixed, which limits the size of the test model; (5) The traditional method of applying horizontal and vertical forces at the same time is technically difficult and complicated to operate, and often cannot guarantee that the vertical force is completely loaded vertically; (6) When fire tests need to be carried out in different places, it is impossible to Using the same fume collecting hood system to conduct calorimetric tests at different stations, and using different fume collecting systems may cause large errors in calorimetric results; (7) The traditional fume collecting hood system cannot be vertically lifted

Method used

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  • A Cascade High Energy Earthquake-Fire Coupling Test System
  • A Cascade High Energy Earthquake-Fire Coupling Test System
  • A Cascade High Energy Earthquake-Fire Coupling Test System

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Embodiment approach

[0091] This embodiment also provides an implementation method of a cascaded high-energy earthquake-fire coupling test system, taking the component "pseudo-static-fire" coupling test as an example, specifically including the following steps:

[0092] 1) Hoist the test piece into the self-balancing loading system, loosen the anchor bolts of the anchor steel beam 84, and raise each walking jacking cylinder 853 synchronously. After the walking jacking cylinder 853 is raised to the predetermined position, the steel beam walking device The frame pulley block 854 of 85 moves along the first track 5, and moves the two movable reaction force frames 8 to appropriate positions according to the size of the test piece;

[0093] 2) Loosen the connection between the frame main beam 83 and the H-shaped steel column 81, drive the column lifting cylinder 99 to adjust the high-temperature self-sensing loading beam 1 to the specified height, and drive the actuator 7 to make the high-temperature se...

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Abstract

The invention discloses a cascade high-energy earthquake-fire coupling test system, which includes a self-balancing loading system, a lifting furnace system, and a smoke collecting hood system installed on the upper end of the lifting furnace system to collect smoke; the self-balancing loading system includes two The mobile reaction force frame walking on the first track and the high-temperature self-sensing loading beam erected on the top of the two mobile reaction force frames; the lifting furnace system includes a furnace body with a combined furnace body hoisted inside and capable of walking on the second track The installation frame, the upper end of the furnace body installation frame is slidingly connected to two moving beams, the lower end of the moving beam is equipped with a mobile hoist, and the bottom of the mobile hoist is hoisted with operating devices; this system can meet the requirements of different earthquake-fire coupling tests.

Description

technical field [0001] The invention relates to the technical field of fire or earthquake-fire coupling, in particular to a cascade high-energy earthquake-fire coupling test system. Background technique [0002] At present, research on the mechanism and prevention and control of multi-disaster coupling disasters has become a major national demand. Among them, earthquakes and fires are the most frequent coupling disasters, which may lead to major accidents and disasters. At present, the main steps of earthquake-fire coupling test in China are to conduct earthquake simulation shaking table test first, and then move the model to the fire test furnace for fire test after the earthquake simulation shaking table test is completed. [0003] However, there are several problems in the test process: (1) During the process of moving the test model, damage to the model and residual deformation may be caused; (2) The conventional fire test furnace can only be used for the test of compone...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01M7/06G01M7/02G01M99/00
CPCG01M7/06G01M7/025G01M99/002G01M99/005
Inventor 陈伟叶继红姜健郭震赵武超李瑞
Owner CHINA UNIV OF MINING & TECH
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