CN102852093A - Bridge pre-stress duct grouting quality control method and device thereof - Google Patents
Bridge pre-stress duct grouting quality control method and device thereof Download PDFInfo
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- CN102852093A CN102852093A CN 201110182787 CN201110182787A CN102852093A CN 102852093 A CN102852093 A CN 102852093A CN 201110182787 CN201110182787 CN 201110182787 CN 201110182787 A CN201110182787 A CN 201110182787A CN 102852093 A CN102852093 A CN 102852093A
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Abstract
The invention discloses a bridge pre-stress duct grouting quality control method and a device thereof. According to the method, the error amount of flow of an outlet end and an inlet end is controlled, the t<k> of the measurement for keeping pressure to stage under the pressure maintaining moment is determined, and a notebook type intelligent pre-stress duct grouting controller conducts a grouting operation. The device comprises a grouting control platform and an on-site grouting measurement/control box, wherein the on-site grouting measurement/control box is used for collecting on-site grouting flow and pressure data and transmitting on-site grouting flow and pressure data to the grouting control platform, the grouting control platform is used for processing on-site grouting flow and pressure data and sending control commands to the on-site grouting measurement/control box in accordance with grouting technology requirements, then the pre-stress duct grouting quality control is achieved, and the on-site grouting measurement/control box receives commands and implements opening and closing actions to a grout pump and an electrically-operated valve. By the aid of the method and the device, the whole bridge pre-stress duct grouting construction can be monitored, the grouting quality is guaranteed, and the problem that the grouting quality cannot be guaranteed under the condition of manual grouting in the prior art is solved effectively. Simultaneously, the device is in a modularized integrated structure. The device is small in volume, convenient to install on site, good in environment adaptive capacity, wide in application and capable of saving labors and improving work efficiency.
Description
Technical field
The present invention relates to the bridge prestress pore channel grouting construction, specially refer to a kind of bridge prestress pore channel grouting quality control method and device thereof.
Background technology
Prior art bridge prestress pore channel grouting construction is to rely on the on-site construction operations personnel with visually observing, manual operations, enter the grouting of end operation mudjack in the grouting duct, say end at grout hole and close angle valve screen slurry, purely rely on constructing operation standard, sense of responsibility and professional personal integrity to control construction quality, therefore be difficult to guarantee construction quality, mud jacking leakiness situation easily appears, hole occurs, excreting water phenomenon causes engineering to have hidden danger.
Summary of the invention
The object of the invention is to overcome the above-mentioned drawback that exists in the prior art bridge prestress pore channel grouting construction, and a kind of grouting quality control method and device thereof that can guarantee construction quality is provided.
The technical solution that the present invention proposes is: a kind of bridge prestress pore channel grouting quality control method and device thereof, the method are to advance the slurry end in the prestressed grouting duct and slurry output end all arranges flow and pressure transmitter, starch the pressurize t zero hour by judging screen
kDetermine grouting time T
0Ensure thus the prestressed pore passage grouting quality, judge the screen slurry pressurize t zero hour
kCondition be: the measuring flow Q that advances slurry end A end flow meter
AMeasuring flow Q close to slurry output end B end flow meter
B, both difference (Q
A-Q
B) with both average (Q
A+ Q
BThe percent value of)/2 is less than or equal to positive and negative allowable error value δ;
T wherein
0=t
k-t
p
t
pFor beginning grouting constantly, start mudjack work this moment;
t
kBe the screen slurry pressurize zero hour, close slurry output end B end motor operated valve this moment.
This device is a kind of notebook computer type prestressed pore passage intelligence grouting controller, comprises mudjack, it is characterized in that by the grouting console, advances to starch the observing and controlling case, pulp observing and controlling case forms; The grouting console is notebook computer type grouting console, it is electrically connected respectively notebook computer 2, mobile communication module 3, wireless communication module 4,485 data acquisition control ports 5, mini-printer 6, USB interface 7, SD card memory cell 8, debug serial port 9 by embedded main board 1, and above-mentioned device is by multi-channel switch power 10 power supplies.
Advance to starch the observing and controlling case by control panel MCU electrical connection in 11 minutes three tunnel: the one tunnel is electrically connected with wireless communication module 13,485 data acquisition control port ones 4 respectively via photoelectricity isolated location 12; Another road via photoelectricity isolated location 15, auxiliary reclay 16, contactor 17, is electrically connected to mudjack 18 successively; Third Road is successively via being electrically connected with flow transmitter 21, pressure transmitter 22 respectively behind AD converting unit 19, the photoelectricity isolated location 20 again.
Pulp observing and controlling case is by control panel MCU electrical connection in 23 minutes three tunnel: the one tunnel is electrically connected with wireless communication module 25,485 data acquisition control ports 26 respectively via photoelectricity isolated location 24; Another road via photoelectricity isolated location 27, auxiliary reclay 28, contactor 29, is electrically connected to motor operated valve 30 successively; Third Road is successively via being electrically connected with flow transmitter 33, pressure transmitter 34 respectively behind AD converting unit 31, the photoelectricity isolated location 32 again.
The grouting console is electrically connected by wireless mode with the wireless communication module 25 of the wireless communication module 13 that advances to starch the observing and controlling case and pulp observing and controlling case respectively by wireless communication module 4; The console that is in the milk in addition is electrically connected by wired mode with 485 data acquisition control ports 26 of the 485 data acquisition control port ones 4 that advance to starch the observing and controlling case and pulp observing and controlling case respectively by 485 data acquisition control ports 5.
Advantage of the present invention is:
1. flow pressure parameter that can on-the-spot the real time measure grouting process is supervised the grouting quality situation, determines exactly the grouting dwell time to guarantee grouting quality with this.
2. grouting console of the present invention and observing and controlling case adopt Modularized integral box formula structure, and on-the-spot installation and working service are convenient.
3. the present invention shows by notebook on the embedded platform basis, and manpower is saved in data acquisition and grouting control, greatly improves effect, and alleviates constructor's labour intensity.
4. the present invention can inquire about, transfer, preserves, prints the data of monitoring and automatic formation curve.
5. the present invention can adopt wired and wireless mode to carry out exchanges data, can also carry out remote data transmission, adapts to the Long-distance Control demand.
6. the present invention adopts flow, pressure sensor as measuring transducer, has that certainty of measurement is high, strong interference immunity, not affected by operating mode and artificial disturbance.
7. the present invention is not only applicable to bridge prestress pore channel grouting, but also can be used for other grouting construction occasions.
Description of drawings
Fig. 1 is grouting construction schematic diagram of the present invention.
Fig. 2 is grouting of the present invention and screen slurry pressurize Construction State sequential chart.
Fig. 3 is grouting console structure chart of the present invention.
Fig. 4 is the observing and controlling box structure figure that advances to starch of the present invention.
Fig. 5 is pulp observing and controlling box structure figure of the present invention.
The specific embodiment
The present invention further specifies as follows in conjunction with specific embodiments referring to accompanying drawing:
Bridge prestress pore channel grouting construction schematic diagram is referring to accompanying drawing 1, and a kind of bridge prestress pore channel grouting quality control method, the method are to advance slurry at prestressed pore passage to hold A and slurry output end B to be provided with flow and pressure transmitter, judges screen slurry pressurize moment t by measuring
kDetermine according to this grouting time T
0Thereby, ensure the prestressed pore passage grouting quality.
Bridge prestress pore channel grouting and screen slurry pressurize Construction State sequential chart, referring to accompanying drawing 2, t among the figure
pFor being in the milk the zero hour, open slurry end A side pressure stock pump this moment, t
kBe the screen slurry pressurize moment, this closes slurry output end B end motor operated valve, t constantly
pTo t
kTime period constantly is grouting time T
0, i.e. T
0=t
k-t
pt
0For the pressurize of screen slurry stops constantly, this closes constantly into slurry end A side pressure stock pump.t
kTo t
0Time period constantly is time T
1, namely screen is starched dwell time T
1=t
0-t
k, screen slurry dwell time T
1Job specfication by concrete bridge engineering is determined.
The pressurize of screen slurry is t constantly
kThe factor that the grouting construction quality is had significant impact in the bridge prestress pore channel grouting construction, prior art are to determine by rule of thumb constantly t of screen slurry pressurize by the concentration that manually visually observes cement paste
k, therefore being subjected to interference from human factor and error is very large, grouting quality is difficult to guarantee; The inventive method is to provide to judge constantly t of screen slurry pressurize to this solution plan
kCondition, this condition is the measuring flow Q into slurry end A end flow meter
AMeasuring flow Q close to slurry output end B end flow meter
B, both difference (Q
A-Q
B) with both average (Q
A+ Q
BThe percent value of)/2 is less than or equal to positive and negative allowable error value δ;
T wherein
0=t
k-t
p
t
pFor beginning grouting constantly, start mudjack work this moment;
t
kBe the screen slurry pressurize zero hour, close slurry output end B end motor operated valve this moment.
Detect constantly t
kAfter, by notebook computer type prestressed pore passage of the present invention intelligence grouting controller grouting construction is exercised supervision and control in this moment, carry out relevant grouting construction and screen slurry pressurize operation, guarantee bridge duct grouting construction quality with this, allowable error value δ is positive and negative 5/1000ths in this example.
The inventive method adopts a kind of notebook computer type prestressed pore passage intelligence grouting controller, includes mudjack, its feature by the grouting console, advance to starch the observing and controlling case, pulp observing and controlling case three parts form.Grouting console structure forms referring to accompanying drawing 3, it is electrically connected respectively notebook computer 2, mobile communication module 3, wireless communication module 4,485 data acquisition control ports 5, mini-printer 6, USB interface 7, SD card memory cell 8, debug serial port 9 by embedded main board 1, and above-mentioned device is by multi-channel switch power 10 power supplies.Its embedded main board 1 adopts the S3C2440A of Samsung embedded chip, notebook computer 2 adopts the G460 of association type notebook computer, mobile communication module 3 adopts the EM310 of Huawei Company type GPRS communication module, and wireless communication module 4 adopts Wuhan Feng He science and technology 433MHZ wireless transmission module.Advance to starch the observing and controlling box structure and form referring to accompanying drawing 4, it is by control panel MCU electrical connection in 11 minutes three tunnel: the one tunnel is electrically connected with wireless communication module 13,485 data acquisition control port ones 4 respectively via photoelectricity isolated location 12; Another road via photoelectricity isolated location 15, auxiliary reclay 16, contactor 17, is electrically connected to mudjack 18 successively; Third Road is successively via being electrically connected with flow transmitter 21, pressure transmitter 22 respectively behind AD converting unit 19, the photoelectricity isolated location 20 again.Pulp observing and controlling box structure forms referring to accompanying drawing 5, and it is by control panel MCU electrical connection in 23 minutes three tunnel: the one tunnel is electrically connected with wireless communication module 25,485 data acquisition control ports 26 respectively via photoelectricity isolated location 24; Another road via photoelectricity isolated location 27, auxiliary reclay 28, contactor 29, is electrically connected to motor operated valve 30 successively; Third Road is successively via being electrically connected with flow transmitter 33, pressure transmitter 34 respectively behind AD converting unit 31, the photoelectricity isolated location 32 again.Wherein, control panel MCU 11 and 23 all adopts the AT89S52 single-chip microcomputer, photoelectricity isolated location 12,15,20,24,27,32 all adopt TLP521-4 type photoelectric isolated chip, AD converting unit 19 and 31 adopts the MAX197 chip of MAXIN company, flow transmitter 21 and 33 all adopts the one-piece type electromagnetic flowmeter of JDK300 of Shanghai Ou Jie instrument and meter Co., Ltd, pressure transmitter 22 and the 34 PRC908 type pressure transmitters for Hangzhou profit occasion Science and Technology Ltd., motor operated valve 30 is the ZAJQ-16P type high speed electric valve of the good pump valve of Shanghai Han that company, and mudjack 18 is the HB type piston type mudjack that great achievement building machinery Co., Ltd produces.
Operating principle of the present invention is:
By advance slurry end A end and slurry output end B end in the grouting duct flow and pressure transmitter are set respectively, detect in real time grouting flow and pressure signal, and in time pass to the grouting console, simultaneously the application software with the inventive method is implanted in the SD card memory cell 8, the grouting console by the inventive method by the pressurize of calculative determination screen slurry constantly.
The grouting situ flow transmitter 21 that the embedded main board 1 of grouting console will receive by wireless communication module 4 or 485 data acquisition control ports 5 and 33 and after the signal of pressure transmitter 22 and 34 processes through data-signal, show at notebook computer 2, and by mini-printer 6 printings, also can be sent to remote monitoring center via mobile communication module 3.Simultaneously, the grouting console can also send control command to the site measuring and control case by wireless communication module 4 or 485 data acquisition control ports 5, and control mudjack 18 and motor operated valve 30 actions realize the control of prestressed pore passage grouting procedure quality.
Advance the flow transmitter 21 of slurry end observing and controlling case, 4～20ma analog signal that pressure transmitter 22 provides, through photoelectricity isolated location 20 and AD converting unit 19, convert data signal to, deliver to control panel MCU 11, via photoelectricity isolated location 12, be sent to the grouting console by 485 data acquisition control port ones 4 or wireless communication module 13 again.Simultaneously, control panel MCU 11 can also accept the to be in the milk order of console, through photoelectricity isolated location 15, auxiliary reclay 16, contactor 17 actions, control mudjack 18 beginnings and stop action.
The flow transmitter 33 of slurry output end observing and controlling case, pressure transmitter 34, the 4～20ma analog signal that provides, through photoelectricity isolated location 32 and AD converting unit 31, convert data signal to, deliver to control panel MCU 23, via photoelectricity isolated location 24, be sent to the grouting console by 485 data acquisition control ports 26 or wireless communication module 25 again.Simultaneously, control panel MCU 23 can also accept the to be in the milk order of console through photoelectricity isolated location 27, auxiliary reclay 28, contactor 29, is finally controlled motor operated valve 30 actions.
Like this, the present invention is by monitoring bridge prestress pore channel grouting construction overall process, the grouting construction quality assurance is provided, solves the difficult problem that prior art bridge prestress pore channel grouting construction quality can't guarantee, simultaneously the present invention is modularization integrated morphology, device volume is little, on-the-spot simple installation, adaptive capacity to environment is strong, saves manpower, improve work efficiency, of many uses.
Claims (2)
1. bridge prestress pore channel grouting quality control method, the method feature are to advance the slurry end in the prestressed grouting duct and slurry output end arranges flow and pressure transmitter simultaneously, starch the pressurize t zero hour by judging screen
kDetermine grouting time T
0, ensure thus the prestressed pore passage grouting quality.Judge the screen slurry pressurize t zero hour
kCondition be:
Advance the measuring flow Q of slurry end A end flow meter
AMeasuring flow Q close to slurry output end B end flow meter
B, both difference (Q
A-Q
B) with both average (Q
A+ Q
BThe percent value of)/2 is less than or equal to positive and negative allowable error value δ;
T wherein
0=t
k-t
p
t
pFor beginning grouting constantly, start mudjack work this moment;
t
kBe the screen slurry pressurize zero hour, close slurry output end B end motor operated valve this moment;
2. notebook computer type prestressed pore passage intelligence grouting controller comprises mudjack, it is characterized in that by the grouting console, advances to starch the observing and controlling case, pulp observing and controlling case forms; The grouting console is notebook computer type grouting console, be electrically connected respectively notebook computer (2), mobile communication module (3), wireless communication module (4), 485 data acquisition control ports (5), mini-printer (6), USB interface (7), SD card memory cell (8), debug serial port (9) by embedded main board (1), above-mentioned device is powered by multi-channel switch power (10);
Advancing to starch the observing and controlling case is electrically connected by control panel MCU (11) minutes three tunnel: the one tunnel is electrically connected with wireless communication module (13), 485 data acquisition control ports (14) respectively via photoelectricity isolated location (12); Another road via photoelectricity isolated location (15), auxiliary reclay (16), contactor (17), is electrically connected to mudjack (18) successively; Third Road is successively via being electrically connected with flow transmitter (21), pressure transmitter (22) respectively behind AD converting unit (19), the photoelectricity isolated location (20) again;
Pulp observing and controlling case is electrically connected by control panel MCU (23) minutes three tunnel: the one tunnel is electrically connected with wireless communication module (25), 485 data acquisition control ports (26) respectively via photoelectricity isolated location (24); Another road via photoelectricity isolated location (27), auxiliary reclay (28), contactor (29), is electrically connected to motor operated valve (30) successively; Third Road is successively via being electrically connected with flow transmitter (33), pressure transmitter (34) respectively behind AD converting unit (31), the photoelectricity isolated location (32) again;
The grouting console is electrically connected by wireless mode with the wireless communication module (25) of the wireless communication module that advances to starch the observing and controlling case (13) and pulp observing and controlling case respectively by wireless communication module (4); The console that is in the milk in addition is electrically connected by wired mode with 485 data acquisition control ports (26) of the 485 data acquisition control ports (14) that advance to starch the observing and controlling case and pulp observing and controlling case respectively by 485 data acquisition control ports (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110182787 CN102852093A (en) | 2011-07-01 | 2011-07-01 | Bridge pre-stress duct grouting quality control method and device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110182787 CN102852093A (en) | 2011-07-01 | 2011-07-01 | Bridge pre-stress duct grouting quality control method and device thereof |
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| Publication Number | Publication Date |
|---|---|
| CN102852093A true CN102852093A (en) | 2013-01-02 |
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ID=47399037
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110182787 Pending CN102852093A (en) | 2011-07-01 | 2011-07-01 | Bridge pre-stress duct grouting quality control method and device thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103711316A (en) * | 2013-12-17 | 2014-04-09 | 柳州黔桥工程材料有限公司 | Control method of intelligent pulping and grouting system |
| CN104363301A (en) * | 2014-11-25 | 2015-02-18 | 张家港市华地机械装备有限公司 | Anti-shaking device of new energy automobile |
| CN104652826B (en) * | 2015-02-11 | 2016-08-24 | 柳州市聚能电气有限公司 | A kind of micro computer inherent stress mud-jacking control system |
| CN108978474A (en) * | 2018-07-17 | 2018-12-11 | 芜湖芬特勘测服务有限公司 | A kind of box girder pre-stressed hole path pressure grouting auxiliary device |
-
2011
- 2011-07-01 CN CN 201110182787 patent/CN102852093A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103711316A (en) * | 2013-12-17 | 2014-04-09 | 柳州黔桥工程材料有限公司 | Control method of intelligent pulping and grouting system |
| CN103711316B (en) * | 2013-12-17 | 2016-08-17 | 柳州黔桥工程材料有限公司 | The control method of intelligence slurrying mud jacking system |
| CN104363301A (en) * | 2014-11-25 | 2015-02-18 | 张家港市华地机械装备有限公司 | Anti-shaking device of new energy automobile |
| CN104363301B (en) * | 2014-11-25 | 2017-12-26 | 张家港市华地机械装备有限公司 | A kind of device against shake of new-energy automobile |
| CN104652826B (en) * | 2015-02-11 | 2016-08-24 | 柳州市聚能电气有限公司 | A kind of micro computer inherent stress mud-jacking control system |
| CN108978474A (en) * | 2018-07-17 | 2018-12-11 | 芜湖芬特勘测服务有限公司 | A kind of box girder pre-stressed hole path pressure grouting auxiliary device |
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Application publication date: 20130102 |