CN102359280A - Intelligent mud jacking measurement and control system of large-circulation prestress pipeline - Google Patents
Intelligent mud jacking measurement and control system of large-circulation prestress pipeline Download PDFInfo
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- CN102359280A CN102359280A CN201110304767XA CN201110304767A CN102359280A CN 102359280 A CN102359280 A CN 102359280A CN 201110304767X A CN201110304767X A CN 201110304767XA CN 201110304767 A CN201110304767 A CN 201110304767A CN 102359280 A CN102359280 A CN 102359280A
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D15/00—Handling building or like materials for hydraulic engineering or foundations
- E02D15/02—Handling of bulk concrete specially for foundation or hydraulic engineering purposes
- E02D15/04—Placing concrete in mould-pipes, pile tubes, bore-holes or narrow shafts
Abstract
The invention discloses an intelligent mud jacking measurement and control system of a large-circulation prestress pipeline, and the system comprises a slurrying system, a three-cylinder piston type grouting pump (24), a slurry feeding measurement and control apparatus, a slurry returning measurement and control apparatus and a computer (25). The intelligent mud jacking measurement and control system is characterized in that the three-cylinder piston type grouting pump (24) is connected with the slurrying system through a slurry sucking pipe (17), the slurry feeding measurement and control pipe is connected with the three-cylinder piston type grouting pump (24) through a slurry feeding pipe (18) and connected with the slurrying system through a slurry returning pipe (9), the terminal of the slurry feeding measurement and control apparatus is connected with a prestress pipeline (15), the inlet end of the slurry returning measurement and control apparatus is connected with the prestress pipeline (15), and the slurry returning measurement and control apparatus is connected with the slurrying system through a slurry returning pipe (20). According to the invention, automatic control is realized, the working intensity of workers is reduced, and the construction quality is improved.
Description
Technical field
The present invention relates to the Construction of Civil Engineering automatic control system, relate in particular to a kind of systemic circulation prestress pipe intelligence mud jacking TT&C system.
Background technology
Post-tensioned prestressing pipeline mud jacking construction be the decision durability of structures with the critical process of safety; And traditional common grouting mode is mainly accomplished by control manually; Technical data control to the performance parameter of slurries and mud jacking process is comparatively extensive, lack of standardization, causes the pipeline pneumatic mortar leakiness, causes steel strand to shift to an earlier date corrosion; Thereby influence the application life of structure, cause the wasting of resources and bad social influence.
Mainly there is following weak point in present domestic post-tensioned prestressing pipeline mud jacking construction:
A, pressure are uncontrollable.The pressure of tradition mud jacking applies comparatively random; Can not carry out accommodation according to the difference of conduit types, length shapes etc.; And pressure is to influence the closely knit key factor of mud jacking, and the generation of the uncompacted situation of most pipeline pneumatic mortars is often all relevant with pressure control failure.
B, can not thoroughly drain air in the duct.The common grouting mode can not effectively be got rid of air in the pipeline, and especially for hogging moment section prestress pipe, the inflection point highest point often mud jacking occurs and leaves over the cavity because of not draining air.
C, water-cement ratio can not accurately be controlled.Water-cement ratio is the slurries Specifeca tion speeifications, and common grouting is not done strict control to water-cement ratio, and mobile performance is often improved through increasing water supply volume in the scene, finally causes bleeding rate excessive, in pipeline, forms the space and secretes Free water, has quickened the steel strand corrosion.
D, mud jacking write down with a low credibility.The conventional general mud jacking adopts manual record, and mud jacking is a concealed work, along with the completion of mud jacking, can accurately not carry out quality tracing with existing technological means.
Summary of the invention
The objective of the invention is to solve following problem: 1, pressure can be adjusted automatically, all satisfies the rules requirement to guarantee slurry, pulp returning port pressure.2, the slurries water-cement ratio, advance slurry and return the slurry flow and monitor in real time and feed back.3, form the systemic circulation circuit system through the grout outlet slurries being guided to slurry storing tank, make slurries in pipeline, continue circulation to drain air in the pipeline.4, automatically accomplish control by computer to the mud jacking process, the one-key operation mud jacking, and mud jacking overall process technical information write down storage, guarantee also to be convenient to when data are genuine and believable quality managemant and quality tracing.
For realizing above purpose, the technical scheme that the present invention adopts: a kind of systemic circulation prestress pipe intelligence mud jacking TT&C system, it comprises pulping system, three cylinder piston type grout pumps (24), advances to starch measurement and control instrument, returns slurry measurement and control instrument and computer (15); Other characteristics are: three cylinder piston type grout pumps (24) connect pulping system through pulp-absorbing pipe (17); Advance to starch measurement and control instrument and connect three cylinder piston type grout pumps (24) through inlet pipe (18), advance to starch measurement and control instrument and connect pulping system through return pipe (19), the terminal of advancing to starch measurement and control instrument connects prestress pipe (15); The entrance point that returns the slurry measurement and control instrument connects prestress pipe (15), returns the slurry measurement and control instrument and connects pulping system through slurry recovering tube (20).
Described pulping system is provided with twin-tub pulper (21), water-cement ratio data acquisition box (22) and water-cement ratio tester (23).
Describedly advance to starch measurement and control instrument and be provided with pressure sensor (1), electromagnetic flowmeter (2), solenoid operated directional valve (3), electric box (4), cast iron pipe (5), power interface (6), panel (7), tee piece (8), data acquisition box (10) and antenna (12); Solenoid operated directional valve (3) entrance point connects return pipe (19) and inlet pipe (18); The port of export is connected with electromagnetic flowmeter (2); Electromagnetic flowmeter (2) port of export connects tee piece (8) through cast iron pipe (5), and tee piece (8) also connects pressure sensor (1).
The described slurry measurement and control instrument that returns is provided with pressure sensor (1), electromagnetic flowmeter (2), electric box (4), cast iron pipe (5), power interface (6), panel (7), electric pressure-regulating valve (9), data acquisition box (10), electromagnet cut off valve (11) and antenna (12); Electromagnetic flowmeter (2) entrance point connects pulp and chews (14); Electromagnetic flowmeter (2) port of export connects pressure sensor (1); Pressure sensor (1) connects electromagnet cut off valve (11); The port of export of electromagnet cut off valve (11) connects electric pressure-regulating valve (9) through cast iron pipe (5), and the port of export of electric pressure-regulating valve (9) connects through slurry recovering tube (20) and connects pulping system.
Beneficial effect of the present invention: 1, through the water-cement ratio measurement and control instrument, realize slurries water-cement ratio real-time testing, prevent that water-cement ratio from not meeting design and code requirement; 2,, realize stock inlet, pulp returning port pressure test and duct pressure loss test through pressure sensor; 3,, realize slurry, return the real-time monitoring of starching flow through flow transmitter; 4, realize that through automatic pressure regulator into slurry pressure is adjusted according to setting value automatically; 5, advance slurry, return action of slurry measurement and control instrument and record mud jacking overall process technical information through computer control, made things convenient for quality managemant and can carry out quality tracing.
Description of drawings
Fig. 1 is a sketch map of the present invention.
Pressure sensor in the drawings, 1; 2, electromagnetic flowmeter; 3, solenoid operated directional valve; 4, electric box; 5, cast iron pipe; 6, power interface; 7, panel; 8, tee piece; 9, electric pressure-regulating valve; 10, data acquisition box; 11, electromagnet cut off valve; 12, antenna; 13, advancing slurry chews; 14, pulp is chewed; 15, prestress pipe; 16, beam body; 17, pulp-absorbing pipe; 18, inlet pipe; 19, return pipe; 20, slurry recovering tube; 21, twin-tub pulper; 22, water-cement ratio data acquisition box; 23, water-cement ratio tester; 24, three cylinder piston type grout pumps; 25, computer.
The specific embodiment
Important spare part among brief account Fig. 1:
1, pressure sensor 1: adopt the solid piezoresistive pressure sensor, the electric current that is produced by solid change in resistance under pressure changes the measurement of signal realization to pressure.
2, electromagnetic flowmeter 2: be made up of sensor and converter two parts, the electric current that produces through change of magnetic field strength changes the measurement that realizes flow.
3, solenoid operated directional valve 3: produce the switching-over action by the magnetic signal DM of the signal of telecommunication corresponding generation in electromagnetic valve of control circuit input and realize switching-over.
4, electric pressure-regulating valve 9: move realization work function through pulse signal control step driven by motor spool.
5, electromagnet cut off valve 11: the action that is produced valve opening, closed by the magnetic signal DM of the signal of telecommunication corresponding generation in electromagnetic valve of control circuit input.
In conjunction with Fig. 1, explain work implementation step of the present invention:
The first step:, connect the mud jacking pipeline with private sealing cover cushioning high elastic rubber pad sealing anchor head; Advance the import that slurry is chewed the prestress pipe 15 on the 13 tie-beam bodies 16, the outlet of prestress pipe 15 connection pulp chews 14 on the beam body 16.
Second step: open computer 25 control programs, the correlation technique parameter is set.
The 3rd step: start pulping system, make slurries, slurries sieve to flow into and promptly open 23 pairs of water slurry ratios of water-cement ratio measurement and control instrument behind the slurry storing tank and detect, and detect data and are stored in the water-cement ratio data acquisition box 22.
The 4th step: confirm that each valve is in opening; Start three cylinder piston type grout pumps 24; Slurries get into prestress pipes 15 through inlet pipe 18, solenoid operated directional valve 3, electromagnetic flowmeter 2 and cast iron pipe 5, the slurries that prestress pipe 15 flows out through pulp chew 14, electromagnetic flowmeter 2, pressure sensor 1, electromagnet cut off valve 11, cast iron pipe 5 and electric pressure-regulating valve 9 get into twin-tub pulpers 21 through slurry recovering tube 20; Make slurries in pipeline, circulate.
The 5th step: confirm flow, the pressure stability of computer 25 monitorings, water-cement ratio satisfies regulation and requires no information warning; The pipe ends pressure loss value that computer 25 obtains according to test in the cyclic process is confirmed the into desired value of slurry pressure adjustment.Set and advance to starch the pressure target value, computer 25 sends electric signal to carry out the pressure adjustment and the pressure regulation result is fed back to computer 25 to returning slurry measurement and control instrument control electric pressure-regulating valve 9.
The 6th step: advance to starch measurement and control instrument upward pressure cell pressure and show adjusted after setting value, slurry recovering tube road electromagnet cut off valve 11 is closed, and advances to starch solenoid operated directional valve 3 switching-overs in the measurement and control instrument, and slurries are back in the twin-tub pulper 21 through return pipe 19.
The 7th step: close into slurry and chew 13 manually-operated gates with pulp is chewed 14 manually-operated gates, computer 25 is controlled electric pressure-regulating valves 9 pressure releases; Break off pipeline and be connected to another hole pipeline slip casting and chews and carry out the grouting of next hole at the slip casting place of chewing from two ends.
Claims (4)
1. systemic circulation prestress pipe intelligence mud jacking TT&C system, it comprises pulping system, three cylinder piston type grout pumps (24), advances to starch measurement and control instrument, returns slurry measurement and control instrument and computer (15); Other characteristics are: three cylinder piston type grout pumps (24) connect pulping system through pulp-absorbing pipe (17); Advance to starch measurement and control instrument and connect three cylinder piston type grout pumps (24) through inlet pipe (18), advance to starch measurement and control instrument and connect pulping system through return pipe (19), the terminal of advancing to starch measurement and control instrument connects prestress pipe (15); The entrance point that returns the slurry measurement and control instrument connects prestress pipe (15), returns the slurry measurement and control instrument and connects pulping system through slurry recovering tube (20).
2. a kind of systemic circulation prestress pipe intelligence mud jacking TT&C system according to claim 1, it is characterized in that: described pulping system is provided with twin-tub pulper (21), water-cement ratio data acquisition box (22) and water-cement ratio tester (23).
3. a kind of systemic circulation prestress pipe intelligence mud jacking TT&C system according to claim 1 is characterized in that: describedly advance to starch measurement and control instrument and be provided with pressure sensor (1), electromagnetic flowmeter (2), solenoid operated directional valve (3), electric box (4), cast iron pipe (5), power interface (6), panel (7), tee piece (8), data acquisition box (10) and antenna (12); Solenoid operated directional valve (3) entrance point connects return pipe (19) and inlet pipe (18); The port of export is connected with electromagnetic flowmeter (2); Electromagnetic flowmeter (2) port of export connects tee piece (8) through cast iron pipe (5), and tee piece (8) also connects pressure sensor (1).
4. a kind of systemic circulation prestress pipe intelligence mud jacking TT&C system according to claim 1, it is characterized in that: the described slurry measurement and control instrument that returns is provided with pressure sensor (1), electromagnetic flowmeter (2), electric box (4), cast iron pipe (5), power interface (6), panel (7), electric pressure-regulating valve (9), data acquisition box (10), electromagnet cut off valve (11) and antenna (12); Electromagnetic flowmeter (2) entrance point connects pulp and chews (14); Electromagnetic flowmeter (2) port of export connects pressure sensor (1); Pressure sensor (1) connects electromagnet cut off valve (11); The port of export of electromagnet cut off valve (11) connects electric pressure-regulating valve (9) through cast iron pipe (5), and the port of export of electric pressure-regulating valve (9) connects through slurry recovering tube (20) and connects pulping system.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110304767XA CN102359280A (en) | 2011-10-10 | 2011-10-10 | Intelligent mud jacking measurement and control system of large-circulation prestress pipeline |
| PCT/CN2012/082587 WO2013053307A1 (en) | 2011-10-10 | 2012-10-08 | Survey and control apparatus for grouting prestressing duct and method of use thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110304767XA CN102359280A (en) | 2011-10-10 | 2011-10-10 | Intelligent mud jacking measurement and control system of large-circulation prestress pipeline |
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| CN102359280A true CN102359280A (en) | 2012-02-22 |
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| CN201110304767XA Pending CN102359280A (en) | 2011-10-10 | 2011-10-10 | Intelligent mud jacking measurement and control system of large-circulation prestress pipeline |
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| WO (1) | WO2013053307A1 (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102704403A (en) * | 2012-06-13 | 2012-10-03 | 湖南联智桥隧技术有限公司 | Prestressed mud jacking trolley and circulating mud jacking method |
| WO2013053307A1 (en) * | 2011-10-10 | 2013-04-18 | 湖南联智桥隧技术有限公司 | Survey and control apparatus for grouting prestressing duct and method of use thereof |
| CN103176452A (en) * | 2013-02-05 | 2013-06-26 | 中国矿业大学 | Automatic grouting control method and device |
| CN104060833A (en) * | 2014-07-10 | 2014-09-24 | 湖南联智桥隧技术有限公司 | Prestress grouting device |
| CN104268177A (en) * | 2014-09-15 | 2015-01-07 | 中国铁道科学研究院铁道建筑研究所 | Grouting data processing system |
| CN104652825A (en) * | 2014-12-26 | 2015-05-27 | 柳州黔桥工程材料有限公司 | Control method for multi-cycle intelligent slurrying and grouting system |
| CN104818850A (en) * | 2014-12-26 | 2015-08-05 | 柳州黔桥工程材料有限公司 | Intelligent multi-circulation mortar production and grouting system |
| CN105040702A (en) * | 2015-06-15 | 2015-11-11 | 江西大地岩土工程有限公司 | Full-automatic intelligent grouting system |
| CN106894637A (en) * | 2017-04-18 | 2017-06-27 | 中国铁道科学研究院铁道建筑研究所 | A kind of method and device that can measure duct entoplasm body weight |
| CN110004932A (en) * | 2019-05-15 | 2019-07-12 | 中国电建集团中南勘测设计研究院有限公司 | A kind of nothing returns slurry high pressure jet grouting system and grouting method |
| CN112659360A (en) * | 2020-11-25 | 2021-04-16 | 中铁七局集团武汉工程有限公司 | Intelligent grouting construction equipment for prefabricated box girder and construction process thereof |
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| CN113322957B (en) * | 2021-06-11 | 2023-03-28 | 华能澜沧江水电股份有限公司 | Pneumatic ultrahigh-pressure intelligent grouting system |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2013053307A1 (en) * | 2011-10-10 | 2013-04-18 | 湖南联智桥隧技术有限公司 | Survey and control apparatus for grouting prestressing duct and method of use thereof |
| CN102704403A (en) * | 2012-06-13 | 2012-10-03 | 湖南联智桥隧技术有限公司 | Prestressed mud jacking trolley and circulating mud jacking method |
| CN103176452A (en) * | 2013-02-05 | 2013-06-26 | 中国矿业大学 | Automatic grouting control method and device |
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| CN104060833A (en) * | 2014-07-10 | 2014-09-24 | 湖南联智桥隧技术有限公司 | Prestress grouting device |
| CN104268177A (en) * | 2014-09-15 | 2015-01-07 | 中国铁道科学研究院铁道建筑研究所 | Grouting data processing system |
| CN104652825A (en) * | 2014-12-26 | 2015-05-27 | 柳州黔桥工程材料有限公司 | Control method for multi-cycle intelligent slurrying and grouting system |
| CN104818850A (en) * | 2014-12-26 | 2015-08-05 | 柳州黔桥工程材料有限公司 | Intelligent multi-circulation mortar production and grouting system |
| CN104818850B (en) * | 2014-12-26 | 2017-03-29 | 柳州黔桥工程材料有限公司 | Intelligent multi cycle slurrying mud jacking system |
| CN105040702A (en) * | 2015-06-15 | 2015-11-11 | 江西大地岩土工程有限公司 | Full-automatic intelligent grouting system |
| CN106894637A (en) * | 2017-04-18 | 2017-06-27 | 中国铁道科学研究院铁道建筑研究所 | A kind of method and device that can measure duct entoplasm body weight |
| CN110004932A (en) * | 2019-05-15 | 2019-07-12 | 中国电建集团中南勘测设计研究院有限公司 | A kind of nothing returns slurry high pressure jet grouting system and grouting method |
| CN112659360A (en) * | 2020-11-25 | 2021-04-16 | 中铁七局集团武汉工程有限公司 | Intelligent grouting construction equipment for prefabricated box girder and construction process thereof |
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| Publication number | Publication date |
|---|---|
| WO2013053307A1 (en) | 2013-04-18 |
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Inventor after: Liang Xiaodong Inventor after: Chen Kangjun Inventor after: Liu Liuqi Inventor after: Xu Youwei Inventor after: Xiao Yingcheng Inventor after: Xiong Yong Inventor before: Chen Kangjun Inventor before: Liang Xiaodong Inventor before: Liu Liuqi Inventor before: Xu Youwei Inventor before: Xiao Yingcheng Inventor before: Xiong Yong |
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Free format text: CORRECT: INVENTOR; FROM: CHEN KANGJUN LIANG XIAODONG LIU LIUQI XU YOUWEI XIAO YINGCHENG XIONG YONG TO: LIANG XIAODONG CHEN KANGJUN LIU LIUQI XU YOUWEI XIAO YINGCHENG XIONG YONG |
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Application publication date: 20120222 |