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Tensioning type anchoring device capable of monitoring deformation and construction method thereof

A technology of anchoring device and tensioning device, which is applied in the direction of measuring device, measuring force, infrastructure engineering, etc., can solve problems such as unreliable anchoring, achieve the effects of improving real-time monitoring capabilities, preventing loosening, and improving resistance

Pending Publication Date: 2021-08-03
CHINA GEZHOUBA GRP FIRST ENG CO LTD
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  • Abstract
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AI Technical Summary

Problems solved by technology

[0004] The invention provides a tension-type anchoring device capable of monitoring deformation and its construction method, which solves the problem of unreliable anchoring during the construction of the underground powerhouse of the water diversion power generation system project of the hydropower station

Method used

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  • Tensioning type anchoring device capable of monitoring deformation and construction method thereof
  • Tensioning type anchoring device capable of monitoring deformation and construction method thereof
  • Tensioning type anchoring device capable of monitoring deformation and construction method thereof

Examples

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Embodiment Construction

[0032] Such as Figure 1-5 Among them, a tension-type anchoring device capable of monitoring deformation includes a bolt 1, and the bolt 1 includes an anchoring section 101 and a free section 102, the anchoring section 101 is used for anchoring with the rock layer 14, and the free section 102 is close to the anchoring section 101 An anchor rod stress gauge 6 is provided at one end of the anchorage section 101 to monitor the deformation of the anchorage section 101. A tensioning device 2 is provided at an end of the free section 102 away from the anchorage section 101. An anchor cable dynamometer 9 is arranged in the tensioning device 2, and the anchor cable measuring The dynamometer 9 is socketed with the free section 102, and the anchor cable dynamometer 9 can monitor the internal tensile stress of the ground free end of the anchor rod 1 on the foundation surface.

[0033] In a preferred solution, the tensioning device 2 includes a housing 203, the anchor cable dynamometer 9 ...

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Abstract

The invention provides a tensioning type anchoring device capable of monitoring deformation. The device comprises an anchor rod, the anchor rod comprises an anchoring section and a free section, the anchoring section is used for anchoring with a rock layer, an anchor rod stress meter is arranged at one end, close to the anchoring section, of the free section, a tension device is arranged at one end, away from the anchoring section, of the free section, an anchor cable dynamometer is arranged in the tension device and is connected with the free section in a sleeved mode. Through anti-loose positioning of an anchor fluke device at the end of the anchor rod and double monitoring effects of the anchor rod stress meter and the anchor cable dynamometer, the anchor rod stress meter feeds back deformation of a rock foundation, and the anchor cable dynamometer monitors tension of the anchor rod at the earth surface section in real time, and the deformation condition of the foundation at each depth is judged through mutual comparison of the anchor rod stress meter and the anchor cable dynamometer; and compared with a traditional single-section force measurement mode, the real-time monitoring capability is improved, and the reliability of the anchor device is greatly improved.

Description

technical field [0001] The invention relates to the construction field of an underground powerhouse of a hydropower station, in particular to a tension-type anchoring device capable of monitoring deformation and a construction method thereof. Background technique [0002] The prestressed anchor mainly adopts high-strength finish-rolled rebar as the main stress member, and the anchor is prestressed, locked, and loaded to achieve the purpose of prestressing. The prestressed anchor needs to be prevented from loosening to provide reliable On this basis, stress monitoring can be added to provide a long-term observable window to further improve the reliability of the device. With the popularization and development of bolt support, bolts have played an important role in various fields due to their economy. More and more applications. [0003] The underground powerhouse of the water diversion and power generation system project of the hydropower station also needs to be anchored wi...

Claims

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Application Information

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IPC IPC(8): E02D5/74E04C5/12G01B21/32G01L1/00
CPCE02D5/74E04C5/12G01B21/32G01L1/00Y02A10/23
Inventor 赵铁拴和江涛李鹏鑫李伟丰峻李晓倩林开盛朱家林尹雪保向旭辉唐青山杨龙刘永亮李家富王敏胡方华翟志刚代鑫
Owner CHINA GEZHOUBA GRP FIRST ENG CO LTD
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