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Highway tunnel jet fan supporting structure bearing capacity detection device and detection method

A technology of jet fan and supporting structure, which is applied in the testing of machine/structural components, measuring devices, testing of mechanical components, etc., can solve the problems of long testing and construction time, and difficulty in meeting the requirements of the project construction period.

Active Publication Date: 2020-10-13
湖南华鑫美好公路环境建设有限公司
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Problems solved by technology

[0004] In view of the related technologies mentioned above, the inventor believes that there is a defect that the detection and construction time is too long and it is difficult to meet the requirements of the project construction period

Method used

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  • Highway tunnel jet fan supporting structure bearing capacity detection device and detection method
  • Highway tunnel jet fan supporting structure bearing capacity detection device and detection method
  • Highway tunnel jet fan supporting structure bearing capacity detection device and detection method

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Embodiment Construction

[0050] The following is attached Figure 1-6 The application is described in further detail.

[0051]This application discloses a bearing capacity detection device for a jet fan support structure in a highway tunnel:

[0052] refer to figure 1 , the rapid detection device for the bearing capacity of the support structure of the jet fan in the highway tunnel includes a reaction force assembly 3, the reaction force assembly 3 includes a beam 31, the two ends of the beam 31 are respectively threaded with steel wire ropes 32, and the two ends of the steel wire rope 32 are respectively connected to the pre-embedded steel plate 1 , The upper surface of the beam 31 is provided with a pressurizing assembly 2, and the pressurizing assembly 2 abuts against the tunnel roof wall.

[0053] refer to figure 2 The lower surface of the pre-embedded steel plate 1 is welded and fixed with connectors 33. There are multiple groups of connectors 33 arranged along the length direction of the pre...

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Abstract

The invention relates to a highway tunnel jet fan supporting structure bearing capacity detection device. The device comprises a counter-force assembly used for being connected with a jet fan pre-embedded steel plate. The counter-force assembly is provided with a pressurizing assembly used for abutting against a top wall of a tunnel, the counter-force assembly comprises a cross beam and a connecting piece used for being fixed to the pre-embedded steel plate, a supporting rod is arranged in the connecting piece in a penetrating mode, threading bases are symmetrically arranged at the two ends ofthe cross beam, and steel wire ropes are arranged in the two threading bases in a penetrating mode and connected with supporting rods on the two sets of pre-embedded steel plates. The counter-force assembly is connected with the two sets of pre-embedded steel plates at the same time, bearing capacity detection can be performed on the two sets of pre-embedded steel plates at the same time throughpressurization of the pressurization assembly, detection efficiency is high, and a construction period is short.

Description

technical field [0001] The present application relates to the technical field of tunnel detection, in particular to a bearing capacity detection device and detection method of a jet fan support structure in a road tunnel. Background technique [0002] With the development of transportation technology, there are more and more long tunnels, and tunnel ventilation has become an important factor affecting driving comfort. Most of the tunnel ventilation now uses jet fans, which are suspended on the top of the tunnel. Article 11.2.4 of the "Design Rules for Highway Tunnel Ventilation" JTGTD702-02-2014 stipulates that the structural bearing capacity of the supporting fan should not be less than 15% of the actual static load of the fan. times, the load test of the supporting structure should be done before the fan is installed. [0003] The Chinese patent with the publication number CN107121247A discloses a single-sided tunnel fan support structure bearing capacity detection device...

Claims

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Application Information

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IPC IPC(8): G01M13/00
CPCG01M13/00
Inventor 旷辉王洪斌陈文成刘振伟盛海波陈宾雄
Owner 湖南华鑫美好公路环境建设有限公司
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