CN102297739A - System for monitoring anchored force of pre-stressed anchor cable in real time - Google Patents
System for monitoring anchored force of pre-stressed anchor cable in real time Download PDFInfo
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- CN102297739A CN102297739A CN2011101414142A CN201110141414A CN102297739A CN 102297739 A CN102297739 A CN 102297739A CN 2011101414142 A CN2011101414142 A CN 2011101414142A CN 201110141414 A CN201110141414 A CN 201110141414A CN 102297739 A CN102297739 A CN 102297739A
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Abstract
The invention discloses a system for monitoring anchored force of a pre-stressed anchor cable in real time. The system comprises the pre-stressed anchor cable (1), a force measurement sensor (2) and a signal transmission system (3). The pre-stressed anchor cable (1) is composed of a guide cap (4), an anchor support plate (5), an anchor cushion plate (6), an extrusion head (8), an isolation frame (9), a constraint ring (10), a grout pipe (11), an anchor fixture (12) and an un-bonded steel strand (13). The tail end of the un-bonded steel strand (13) is fixedly connected with the anchor fixture (12) on an anchor pier (14). A steel cushion plate (15) is arranged between the anchor pier (14) and the anchor fixture (12). The force measurement sensor (2) is arranged between the anchor fixture (12) and the steel cushion plate (15). The force measurement sensor (2) is also connected to the signal transmission system (3). According to the system disclosed by the invention, a sensor and a wireless transmission technology are applied in the field of monitoring of the anchored force of anchor cables; and the system for monitoring the anchored force of the pre-stressed anchor cable in real time provided by the invention has the advantages of remote monitoring, good safety property and high measurement precision.
Description
Technical field
The present invention relates to a kind of anchorage force of pre-stressed anchor cable real-time monitoring system.
Background technology
In building trade, particularly in the waterwork industry, the application of prestress anchorage cable is extremely extensive.Traditional prestress anchorage cable generally is divided into tension type prestress anchorage cable and pressure-type prestress anchorage cable: the anchoring section leading portion of tension type prestress anchorage cable is stressed to be the tension concentration zones, gradually to back segment and the easy shear failure that produces; The anchoring section latter end of pressure-type prestress anchorage cable is stressed to be the compressive stress concentration zones, gradually to leading portion and easily cause pressure break.
Above-mentioned two kinds of prestress anchorage cables are to the failure mode difference of anchoring section, but all can have a strong impact on the effect of prestress anchoraging, if can not monitor the anchor force and the duty of anchor cable in real time, faults such as the not enough and anchor cable fracture of anchorage cable anchoring power will take place unavoidably, even cause the generation of side slope avalanche.Yet, traditional anchor cable monitoring all is artificial the realization, because a lot of residing geographical environment of project under construction is very abominable, even anchor cable need be installed on the very dangerous rock mass and steep cliff, if adopt the personal monitoring, will cause unnecessary personal security accident unavoidably; Also have some anchor force monitoring systems, though adopt intellectual monitoring to act on behalf of the personal monitoring, the measuring accuracy of anchor force is very low.
Along with the development of building industry and improving constantly of people's safe production awareness, people seem important all the more for the precise monitoring of anchorage force of pre-stressed anchor cable, seek the important topic that a kind of safe and reliable anchorage force of pre-stressed anchor cable monitoring method is called current waterwork industry.
Summary of the invention
The objective of the invention is to solve the deficiencies in the prior art, a kind of novel anchorage force of pre-stressed anchor cable real-time monitoring system is provided, overcome shortcomings such as existing anchorage cable anchoring power monitoring poor stability, measuring accuracy are low, guaranteed the safety in workmen's work progress, the anchor force situation of real-time remote monitoring anchor cable, unusual circumstance can in time be handled.
The objective of the invention is to be achieved through the following technical solutions: the anchorage force of pre-stressed anchor cable real-time monitoring system, it comprises prestress anchorage cable, force cell and signal transmission system, described prestress anchorage cable is by guiding cap, the anchor supporting plate, anchor plate, extrusion head, isolating frame, the constraint circle, grout pipe, anchor clamp and non-bending steel cable constitute, be positioned at the anchor plate of anchoring section front end, extrusion head and non-bending steel cable extruding become single piece, and anchor supporting plate and this single piece are chained together by screw rod, decomposition pressure type twisted wire bundle, isolating frame, constraint circle and non-bending steel cable are formed tension type twisted wire bundle, pressure-type twisted wire bundle and tension type twisted wire bundle are organized in together, guiding cap is fixedlyed connected with supporting plate foremost, the end of non-bending steel cable is fixedlyed connected with the anchor clamp on the anchor pier, grout pipe penetrates from the prestress anchorage cable end, through guiding cap place foremost, be provided with billet between anchor pier and the anchor clamp, billet is fixedlyed connected with anchor pier, force cell is arranged between anchor clamp and the billet, and force cell is connected with a signal transmission system.
Signal transmission system of the present invention comprises mainboard, signal data transport module and remote server, the output of force cell is connected with mainboard, mainboard is connected with the input of signal data transport module, and the output of signal data transport module is connected with remote server.
Signal data transport module of the present invention is the GPRS wireless data transfer module.
The invention has the beneficial effects as follows: sensor and Radio Transmission Technology are applied to anchorage cable anchoring power monitoring field, provide a kind of can remote monitoring, security performance is good and measuring accuracy is high anchorage force of pre-stressed anchor cable real-time monitoring system.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 forms block scheme for transmission system of the present invention;
Among the figure, 1-prestress anchorage cable, 2-force cell, 3-signal transmission system, 4-guiding cap, 5-anchor supporting plate, the 6-anchor plate, the 7-screw rod, the 8-extrusion head, the 9-isolating frame, 10-retrains circle, the 11-grout pipe, 12-anchor clamp, 13-non-bending steel cable, 14-anchor pier, 15-billet.
Embodiment
Further describe technical scheme of the present invention below in conjunction with accompanying drawing: as shown in Figure 1, the anchorage force of pre-stressed anchor cable real-time monitoring system, it comprises prestress anchorage cable 1, force cell 2 and GPRS wireless transmitting system 3, described prestress anchorage cable 1 is by guiding cap 4, anchor supporting plate 5, anchor plate 6, extrusion head 8, isolating frame 9, constraint circle 10, grout pipe 11, anchor clamp 12 and non-bending steel cable 13 constitute, be positioned at the anchor slab of anchoring section front end, extrusion head and non-bending steel cable extruding become single piece, and supporting plate and this single piece are chained together by screw rod, decomposition pressure type twisted wire bundle, isolating frame, constraint circle and non-bending steel cable are formed tension type twisted wire bundle, pressure-type twisted wire bundle and tension type twisted wire bundle are organized in together, guiding cap 4 is fixedlyed connected with anchor supporting plate 5 foremost, the end of non-bending steel cable 13 is fixedlyed connected with the anchor clamp 12 on the anchor pier 14, grout pipe 11 penetrates from prestress anchorage cable 1 end, through guiding cap 4 places foremost, be provided with billet 15 between anchor pier 14 and the anchor clamp 12, billet 15 is fixedlyed connected with anchor pier 14, force cell 2 is arranged between anchor clamp 12 and the billet 15, force cell 2 also is connected with a GPRS wireless transmitting system 3, GPRS wireless transmitting system 3 comprises mainboard, the GPRS wireless data transfer module, remote server, the output of force cell is connected with mainboard, mainboard is connected with the input of GPRS wireless data transfer module, and the output of GPRS wireless data transfer module is connected with remote server.
Force sensor for anchor rope 2 is installed between anchor pier 14 and the anchor clamp 12, the stretching force that prestress anchorage cable 1 produces acts on the non-bending steel cable 13 of prestress anchorage cable 1, thereby affact on the force cell 2 of fixedlying connected with non-bending steel cable 13, force cell 2 is converted to analog current or voltage with the pressure that senses, be transferred to mainboard, mainboard is transferred to the GPRS wireless data transfer module with it after receiving pressure information number, the signal that remote server active searching GPRS wireless data transfer module sends carries out remote monitoring by the staff.
Claims (3)
1. anchorage force of pre-stressed anchor cable real-time monitoring system, it comprises prestress anchorage cable (1), force cell (2) and signal transmission system (3), described prestress anchorage cable (1) is by guiding cap (4), anchor supporting plate (5), anchor plate (6), extrusion head (8), isolating frame (9), constraint circle (10), grout pipe (11), anchor clamp (12) and non-bending steel cable (13) constitute, be positioned at the anchor plate (6) of anchoring section front end, extrusion head (8) and non-bending steel cable (13) extruding become single piece, and anchor supporting plate (5) and this single piece are chained together by screw rod (7), decomposition pressure type twisted wire bundle, isolating frame (9), constraint circle (10) and non-bending steel cable (13) are formed tension type twisted wire bundle, pressure-type twisted wire bundle and tension type twisted wire bundle are organized in together, guiding cap (4) is fixedlyed connected with anchor supporting plate (5) foremost, the end of non-bending steel cable (13) is fixedlyed connected with the anchor clamp (12) on the anchor pier (14), grout pipe (11) penetrates from prestress anchorage cable (1) end, through guiding cap (4) is foremost located, it is characterized in that: be provided with billet (15) between anchor pier (14) and the anchor clamp (12), billet (15) is fixedlyed connected with anchor pier (14), force cell (2) is arranged between anchor clamp (12) and the billet (15), and force cell (2) also is connected with a signal transmission system (3).
2. anchorage force of pre-stressed anchor cable real-time monitoring system according to claim 1, it is characterized in that: described signal transmission system (3) comprises mainboard, signal data transport module and remote server, the output of force cell (2) is connected with mainboard, mainboard is connected with the input of signal data transport module, and the output of signal data transport module is connected with remote server.
3. anchorage force of pre-stressed anchor cable real-time monitoring system according to claim 3 is characterized in that: described signal data transport module is the GPRS wireless data transfer module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110141414 CN102297739B (en) | 2011-05-27 | 2011-05-27 | System for monitoring anchored force of pre-stressed anchor cable in real time |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110141414 CN102297739B (en) | 2011-05-27 | 2011-05-27 | System for monitoring anchored force of pre-stressed anchor cable in real time |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102297739A true CN102297739A (en) | 2011-12-28 |
| CN102297739B CN102297739B (en) | 2012-12-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201110141414 Expired - Fee Related CN102297739B (en) | 2011-05-27 | 2011-05-27 | System for monitoring anchored force of pre-stressed anchor cable in real time |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103048127A (en) * | 2012-12-18 | 2013-04-17 | 江苏省交通科学研究院股份有限公司 | Anchoring device static load anchorage performance test safeguarding box and protecting method |
| CN103557979A (en) * | 2013-11-18 | 2014-02-05 | 北京林业大学 | Portable root system anchoring force tester |
| CN107014328A (en) * | 2017-05-25 | 2017-08-04 | 北京中船信息科技有限公司 | A kind of surface drag-line force-measuring type geological disaster automatic monitoring device and method |
| CN109630201A (en) * | 2018-12-14 | 2019-04-16 | 山东科技大学 | It is a kind of based on roof strata horizontal compression monitoring rock-bolt length determine method |
| CN109900395A (en) * | 2019-04-10 | 2019-06-18 | 四川省交通勘察设计研究院有限公司 | It is a kind of can real-time monitoring loss of prestress device |
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| CN2331700Y (en) * | 1998-04-30 | 1999-08-04 | 杨俊志 | Free-type pull-pressing compound prestressed anchorage cable |
| CN2529915Y (en) * | 2001-11-26 | 2003-01-08 | 杨俊志 | Freedom monohole multi-anchor head anti-corrosion prestressed anchor wire |
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| CN2913466Y (en) * | 2006-05-11 | 2007-06-20 | 中国计量学院 | Automatic monitoring instrument for sedimentation of soft soil foundation |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103048127A (en) * | 2012-12-18 | 2013-04-17 | 江苏省交通科学研究院股份有限公司 | Anchoring device static load anchorage performance test safeguarding box and protecting method |
| CN103048127B (en) * | 2012-12-18 | 2016-05-11 | 江苏省交通科学研究院有限公司 | Ground tackle static load anchoring performance experimental safe protective housing |
| CN103557979A (en) * | 2013-11-18 | 2014-02-05 | 北京林业大学 | Portable root system anchoring force tester |
| CN103557979B (en) * | 2013-11-18 | 2015-07-15 | 北京林业大学 | Portable root system anchoring force tester |
| CN107014328A (en) * | 2017-05-25 | 2017-08-04 | 北京中船信息科技有限公司 | A kind of surface drag-line force-measuring type geological disaster automatic monitoring device and method |
| CN107014328B (en) * | 2017-05-25 | 2023-09-26 | 北京中船信息科技有限公司 | Surface inhaul cable force measuring type geological disaster automatic monitoring device and method |
| CN109630201A (en) * | 2018-12-14 | 2019-04-16 | 山东科技大学 | It is a kind of based on roof strata horizontal compression monitoring rock-bolt length determine method |
| CN109900395A (en) * | 2019-04-10 | 2019-06-18 | 四川省交通勘察设计研究院有限公司 | It is a kind of can real-time monitoring loss of prestress device |
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| CN102297739B (en) | 2012-12-26 |
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