CN205475372U - Effect monitoring system is strutted to friction pile - Google Patents
Effect monitoring system is strutted to friction pile Download PDFInfo
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- CN205475372U CN205475372U CN201620266984.2U CN201620266984U CN205475372U CN 205475372 U CN205475372 U CN 205475372U CN 201620266984 U CN201620266984 U CN 201620266984U CN 205475372 U CN205475372 U CN 205475372U
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Abstract
The utility model discloses an effect monitoring system is strutted to friction pile, effect monitoring system is strutted to friction pile includes: inside deformation and the atress monitor cell of friction pile top displacement monitor cell, friction pile and soil body interface pressure monitor cell and friction pile pile body, friction pile top displacement monitor cell, friction pile link to each other with the computer through the demodulator respectively with soil body interface pressure monitor cell and inside deformation and the atress monitor cell of friction pile pile body. The utility model provides an effect monitoring system is strutted to friction pile and current monitoring system compare, can realize appraising the three -dimensional monitoring system that the effect was strutted to the friction pile comprehensively for solve the problem that the monitoring content is single and the evaluation accuracy is hanged down among the prior art, through the accurate effect of strutting of judging the friction pile of each prison measuring time series curve to in time adopt appropriate additional improvement measure to the not good slope body of treatment effect, realize the effective protection to slip mass harm object.
Description
Technical field
This utility model belongs to Geological Engineering technical field, is specifically related to a kind of friction pile supporting effect monitoring system.
Background technology
Along with the strategic decision implementation process of China's economic construction high speed development, particularly " development of the West Regions ", large number of Larger Engineering Projects takes place frequently district's construction at complex geologic conditions, Landslide Hazards in succession.In the construction and running of engineering, the safety of engineering is caused great threat by landslide disaster.In the Landslide that these are large number of, quite a few uses friction pile to administer.Empirical due to the complexity of development of landslide Regional Geological Conditions and design parameter, the engineering accident that anti-slide pile controlling lost efficacy happens occasionally.Therefore, it is necessary to after friction pile has been constructed, its regulation effect is carried out long term monitoring, according to monitoring result, the anti-slippery effect of friction pile is evaluated.
At present, at the Contents for Monitoring of friction pile based on displacement monitoring, GPS monitoring point is i.e. set on friction pile stake top, and periodically displacement to stake top is monitored.Owing to displacement at pile top cannot reflect the interaction in friction pile deep and slip mass comprehensively, so that displacement monitoring data are only capable of limitedly evaluating regulation effect, during pile-soil interaction complexity, even can not effectively carry out the evaluation of anti-slippery effect.
Summary of the invention
In view of with present on problem, the purpose of this utility model is to provide a kind of friction pile supporting effect monitoring system.
To this end, this utility model following solution of employing:
A kind of friction pile supporting effect monitoring system, described friction pile supporting effect monitoring system includes:
-friction pile top displacement monitoring means, for monitoring the displacement of friction pile；
-friction pile and soil body interface pressure monitoring means, for monitoring the situation that contacts between friction pile with surrounding soil, thus for judging that slope body is propped up gear effect by friction pile；And
Deformation within-friction pile pile body and load-bearing monitor unit, for monitoring the deformation within friction pile pile body and stressing conditions；
Described friction pile top displacement monitoring means, friction pile are connected with microcomputer by demodulator respectively with the deformation within soil body interface pressure monitoring means and friction pile pile body and load-bearing monitor unit.
Preferably, described friction pile top displacement monitoring means includes GPS, described GPS is arranged on friction pile top, and described GPS is for realizing periodically receiving the coordinate data on friction pile stake top, and calculates displacement according to the coordinate figure of two acquisition times.
Preferably, described friction pile and soil body interface pressure monitoring means include before stake soil pressure cell and soil pressure against piles box after soil pressure cell, stake, described friction pile with in the soil body that soil body interface pressure monitoring means is vertically arranged on friction pile pile body and is embedded in and friction pile contacts.
Preferably, before described stake, after soil pressure cell, stake, soil pressure cell and soil pressure against piles box are optical fiber grating soil pressure box.
Preferably, before described stake, after soil pressure cell, stake, soil pressure cell and soil pressure against piles box are arranged on the long axis on each limit of friction pile.
Preferably, deformation and load-bearing monitor unit within described friction pile pile body include strain gauge and reinforcing rib meter, and described strain gauge is for measuring the deformation on the internal top of friction pile, and described reinforcing rib meter is for measuring the pulling force within friction pile.
Preferably, on the vertical applied force reinforcing bar in described friction pile, uniform distances is alternately arranged strain gauge and reinforcing rib meter.
Preferably, described strain gauge uses steel wire and the vertical tension reinforcement binding in friction pile, and the length direction of strain gauge is consistent with tension reinforcement.
Preferably, described reinforcing rib meter uses the mode of welding to weld with the vertical tension reinforcement in friction pile, and the direction of reinforcing rib meter is consistent with tension reinforcement.
Friction pile supporting effect provided by the utility model monitoring system is compared with existing monitoring system, it is capable of the three-dimensional monitoring system of thoroughly evaluating friction pile supporting effect, Contents for Monitoring includes soil pressure, pile body deformation and stress between displacement at pile top, stake soil, in order to solve the problem that Contents for Monitoring in prior art is single and evaluation accuracy is low；Time-serial position by each monitoring variable accurately judges the supporting effect of friction pile, and in time the slope body that regulation effect is the best is used suitable supplementary control measures, it is achieved the effective protection to slip mass harm object.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of friction pile supporting effect provided by the utility model monitoring system；
Fig. 2 is the structured flowchart of friction pile supporting effect provided by the utility model monitoring system data acquisition；
Wherein: 1-armored concrete GPS monitors pier；2-comes down surface；3-friction pile；Soil pressure cell before 4-stake；Soil pressure cell after 5-stake；6-soil pressure against piles box；7-tension reinforcement；8-distributing bar；9-strain gauge；10-reinforcing rib meter；11-multi-channel wavelength demodulator；12-microcomputer.
Detailed description of the invention
With specific embodiment, this utility model is described in more detail with reference to the accompanying drawings.
According to Fig. 1, Fig. 2, friction pile supporting effect provided by the utility model monitoring system includes: friction pile top displacement monitoring means, friction pile and the deformation within soil body interface pressure monitoring means and friction pile pile body and load-bearing monitor unit.
Friction pile top displacement monitoring means is arranged on the armored concrete monitoring pier 1 at friction pile 3 top, armored concrete monitoring pier 1 top in mid-game dispose GPS, thus realize periodically receiving the coordinate data on friction pile stake top, and calculate displacement according to the coordinate figure of two acquisition times.Friction pile top displacement monitoring means is for monitoring the horizontal movement value on the stake top of friction pile 3 and vertical sedimentation value, thus is used for determining the moving direction of friction pile 3.
Friction pile and soil body interface pressure monitoring means, it is made up of the optical fiber grating soil pressure box 4 being vertically embedded on front side of friction pile 3, rear side optical fiber grating soil pressure box 5 and both sides optical fiber grating soil pressure box 6, soil pressure cell is embedded in the soil body contacted with friction pile 3, and is positioned on friction pile 3 each length of side axis.By monitoring the soil pressure in each orientation, can comprehensive grasp friction pile 3 and the situation that contacts between surrounding soil, and the magnitude of primary load and direction, thus judge friction pile 3 shelves effect is propped up for slope body.
Deformation within friction pile pile body and load-bearing monitor unit, including strain gauge and reinforcing rib meter, arrange strain gauge 9 and reinforcing rib meter 10 with identical spacing on the tension reinforcement 7 within the pile body of friction pile 3.After in friction pile 3 work progress, tie with reinforcing bar completes, strain gauge 9 uses steel wire and tension reinforcement 7 colligation, and the length direction of strain gauge 9 is consistent with tension reinforcement 7.Reinforcing rib meter 10 uses welding manner to be connected with tension reinforcement 7, and the direction of reinforcing rib meter 10 also keeps consistent with tension reinforcement 7.The concrete of friction pile 3 is irrigated after strain gauge 9 and reinforcing rib meter 10 installation.Strain gauge 9 is for measuring the deformation within friction pile 3, and reinforcing rib meter 10 is for measuring the pulling force within friction pile 3.
By optical fiber cable, the optical fiber grating soil pressure box 4 on front side of friction pile 3, rear side optical fiber grating soil pressure box 5, both sides optical fiber grating soil pressure box 6, strain gauge 9 are connected with multi-channel wavelength demodulator 11 with reinforcing rib meter 10, utilize the microcomputer 12 data digital signal to gathering to process, shown and stored the Monitoring Data such as soil pressure, pile body deformation and pile body pulling force by microcomputer 12.Draw displacement at pile top, stake Soil Interface soil pressure, pile body internal modification and the time series of stress by excel, judged the regulation effect of friction pile by the time-serial position of each quantity of information comprehensively.
Above-mentioned detailed description of the invention is used for illustrating this utility model; it is only preferred embodiment of the present utility model; rather than this utility model is limited; in spirit of the present utility model and scope of the claims; the any modification, equivalent substitution and improvement etc. making this utility model, both fall within protection domain of the present utility model.
Claims (9)
1. a friction pile supporting effect monitoring system, it is characterised in that described friction pile supporting effect monitoring system includes:
-friction pile top displacement monitoring means, for monitoring the displacement of friction pile；
-friction pile and soil body interface pressure monitoring means, for monitoring the situation that contacts between friction pile with surrounding soil, thus for judging that slope body is propped up gear effect by friction pile；And
Deformation within-friction pile pile body and load-bearing monitor unit, for monitoring the deformation within friction pile pile body and stressing conditions；
Described friction pile top displacement monitoring means, friction pile are connected with microcomputer by demodulator respectively with the deformation within soil body interface pressure monitoring means and friction pile pile body and load-bearing monitor unit.
2. monitor system according to a kind of friction pile supporting effect described in claim 1, it is characterized in that, described friction pile top displacement monitoring means includes GPS, described GPS is arranged on friction pile top, described GPS is for realizing periodically receiving the coordinate data on friction pile stake top, and calculates displacement according to the coordinate figure of two acquisition times.
3. monitor system according to a kind of friction pile supporting effect described in claim 1, it is characterized in that, described friction pile and soil body interface pressure monitoring means include before stake soil pressure cell and soil pressure against piles box after soil pressure cell, stake, described friction pile with in the soil body that soil body interface pressure monitoring means is vertically arranged on friction pile pile body and is embedded in and friction pile contacts.
4. monitor system according to a kind of friction pile supporting effect described in claim 3, it is characterised in that before described stake, after soil pressure cell, stake, soil pressure cell and soil pressure against piles box are optical fiber grating soil pressure box.
5. monitor system according to a kind of friction pile supporting effect described in claim 3, it is characterised in that before described stake, after soil pressure cell, stake, soil pressure cell and soil pressure against piles box are arranged on the long axis on each limit of friction pile.
6. monitor system according to a kind of friction pile supporting effect described in claim 1, it is characterized in that, deformation and load-bearing monitor unit within described friction pile pile body include strain gauge and reinforcing rib meter, described strain gauge is for measuring the deformation on the internal top of friction pile, and described reinforcing rib meter is for measuring the pulling force within friction pile.
7. monitor system according to a kind of friction pile supporting effect described in claim 6, it is characterised in that on the vertical applied force reinforcing bar in described friction pile, uniform distances is alternately arranged strain gauge and reinforcing rib meter.
8. monitor system according to a kind of friction pile supporting effect described in claim 6, it is characterised in that described strain gauge uses steel wire and the vertical tension reinforcement binding in friction pile, and the length direction of strain gauge is consistent with tension reinforcement.
9. monitor system according to a kind of friction pile supporting effect described in claim 6, it is characterised in that described reinforcing rib meter uses the mode of welding to weld with the vertical tension reinforcement in friction pile, and the direction of reinforcing rib meter is consistent with tension reinforcement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620266984.2U CN205475372U (en) | 2016-03-31 | 2016-03-31 | Effect monitoring system is strutted to friction pile |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620266984.2U CN205475372U (en) | 2016-03-31 | 2016-03-31 | Effect monitoring system is strutted to friction pile |
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| CN205475372U true CN205475372U (en) | 2016-08-17 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105696633A (en) * | 2016-03-31 | 2016-06-22 | 中国电建集团华东勘测设计研究院有限公司 | Monitoring system and monitoring method for support effect of slide-resistant piles |
| CN106524959A (en) * | 2016-11-17 | 2017-03-22 | 太原理工大学 | System and method of monitoring stability of filling column body |
| CN110487449A (en) * | 2019-07-03 | 2019-11-22 | 南方科技大学 | A kind of real-time landslide monitoring system and method |
| CN111198132A (en) * | 2020-02-14 | 2020-05-26 | 中铁二院工程集团有限责任公司 | Newly-built pile retaining structure monitoring and evaluating method based on reliability |
-
2016
- 2016-03-31 CN CN201620266984.2U patent/CN205475372U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105696633A (en) * | 2016-03-31 | 2016-06-22 | 中国电建集团华东勘测设计研究院有限公司 | Monitoring system and monitoring method for support effect of slide-resistant piles |
| CN105696633B (en) * | 2016-03-31 | 2018-08-07 | 中国电建集团华东勘测设计研究院有限公司 | A kind of friction pile supporting effect monitoring system and monitoring method |
| CN106524959A (en) * | 2016-11-17 | 2017-03-22 | 太原理工大学 | System and method of monitoring stability of filling column body |
| CN106524959B (en) * | 2016-11-17 | 2018-11-30 | 太原理工大学 | A kind of system and method for monitoring filling cylinder stability |
| CN110487449A (en) * | 2019-07-03 | 2019-11-22 | 南方科技大学 | A kind of real-time landslide monitoring system and method |
| CN111198132A (en) * | 2020-02-14 | 2020-05-26 | 中铁二院工程集团有限责任公司 | Newly-built pile retaining structure monitoring and evaluating method based on reliability |
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