CN108590189A - A kind of provisions for grouting and its construction method of prefabricated components - Google Patents
A kind of provisions for grouting and its construction method of prefabricated components Download PDFInfo
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- CN108590189A CN108590189A CN201810536710.4A CN201810536710A CN108590189A CN 108590189 A CN108590189 A CN 108590189A CN 201810536710 A CN201810536710 A CN 201810536710A CN 108590189 A CN108590189 A CN 108590189A
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- grout
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- 238000010276 construction Methods 0.000 title claims description 22
- 239000011440 grout Substances 0.000 claims abstract description 87
- 239000002002 slurry Substances 0.000 claims abstract description 53
- 238000012546 transfer Methods 0.000 claims abstract description 29
- 239000011178 precast concrete Substances 0.000 claims abstract description 20
- 230000007246 mechanism Effects 0.000 claims abstract description 16
- 230000008676 import Effects 0.000 claims abstract description 10
- 239000000463 material Substances 0.000 claims description 42
- 238000002156 mixing Methods 0.000 claims description 22
- 239000008267 milk Substances 0.000 claims description 15
- 210000004080 milk Anatomy 0.000 claims description 15
- 235000013336 milk Nutrition 0.000 claims description 15
- 238000003756 stirring Methods 0.000 claims description 8
- 238000011049 filling Methods 0.000 claims description 7
- 230000001351 cycling effect Effects 0.000 claims description 5
- 125000004122 cyclic group Chemical group 0.000 claims description 3
- 238000010992 reflux Methods 0.000 claims description 2
- 238000004891 communication Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 12
- 239000000843 powder Substances 0.000 description 10
- 230000007547 defect Effects 0.000 description 9
- 239000004567 concrete Substances 0.000 description 5
- 239000002699 waste material Substances 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 230000003014 reinforcing effect Effects 0.000 description 3
- 230000001755 vocal effect Effects 0.000 description 3
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005429 filling process Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000012780 transparent material Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000009417 prefabrication Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000002604 ultrasonography Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/02—Conveying or working-up concrete or similar masses able to be heaped or cast
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/16—Auxiliary parts for reinforcements, e.g. connectors, spacers, stirrups
- E04C5/162—Connectors or means for connecting parts for reinforcements
- E04C5/163—Connectors or means for connecting parts for reinforcements the reinforcements running in one single direction
- E04C5/165—Coaxial connection by means of sleeves
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
Abstract
The invention discloses a kind of provisions for groutings of prefabricated components, including precast concrete wall panel, precast concrete beam, and it is embedded in the grout sleeve of the precast concrete wall panel bottom, the top of the grout sleeve is equipped with sleeve outlet, bottom is equipped with sleeve import, it further include the slurry circulation conveying mechanism being connect with the grout sleeve, slurry circulation conveying mechanism includes agitating device and the booster pump that is connected with the agitating device, the agitating device is equipped with grout outlet and stock inlet, the grout outlet is connected with transfer passage, the transfer passage and the sleeve inlet communication, the stock inlet is connected with return flow line, the return flow line is connected to the sleeve outlet.The present invention is by being arranged slurry circulation conveying mechanism, realize the purpose of cycle grouting, effectively solve sleeve inner grouting not enrich, bubble not fully exclude, seam crossing grouting enrich or seal storehouse not tight spillage the problems such as, improve precast concrete between quality of connection problem.
Description
Technical field
The present invention relates to assembly concrete architectural engineering technology and detection fields, are specifically related to a kind of assembled coagulation
Civil engineering build in prefabricated components provisions for grouting and its construction method.
Background technology
With the continuous reduction and the continuous rising of labor cost of construction practitioner, China starts gradually to add
Greatly to the guiding of assembled architecture development, greatly develops assembled architecture and have gone up as the development strategy of country, assembled is built
It builds industrialization and has become a kind of certainty.
Prefabricated assembled concrete structure is that field cast-in-place concrete is changed to prefabrication processing, forms prefabricated beam column plate
Equal components, then transport to construction site and carry out lifting assembly, it is connected between structure by being in the milk, forms monoblock type composite structure body
System.Compared with traditional cast-in-place system, prefabricated assembled concrete structural system can reduce 85% or more template consumption, reduce foot
50% or more hand cradle dosage reduces water consumption 40% or so, reduces 10% or more electricity consumption, reduces material consumption 40% or so,
Live rubbish 80% is reduced, construction period can shorten half.
Bar connecting mode between each component of prefabricated assembled concrete mostly uses sleeve grouting connection, and sleeve fills
The cardinal principle of slurry connection is that the Ribbed Bar to be connected two is inserted into from the both ends centering of sleeve respectively, then from sleeve
Injected hole injects micro-expansion cement base sleeve cylinder grouting material, and after sleeve fills, grouting material is flowed out from sleeve other end grout outlet, waits filling
After slurry condensation hardening, two reinforcing bars just link together, and external force passes through cohesive force, the mechanical snap between reinforcing bar and grouting material
Cohesive force, mechanical snap power between power and grouting material and sleeve lining realize effective transmission.
In engineering practice, metal grout sleeve can be embedded in the bottom of component in advance, and upper and lower two component carries out assembled
When, the reserved reinforcing bar in lower member top is inserted into the pre-buried sleeve in upper component bottom, then grouting pump is utilized to be noted from sleeve
Mouth pressure injection grouting material is starched until sleeve grout outlet flows out, sleeve completes grouting.But actual conditions are that field conditions are multiple
Miscellaneous, for sleeve grouting interconnection technique, there are still some defects and grouting quality to detect difficult point, specific as follows：
(1) during grouting material dry powder adds water to stir, some construction personnel construct, and quality is not high, and meeting not add according to the ratio
Add mixing water, it is of low quality after causing grouting material condensation to be hardened；
(2), can not whether true by visually observing sleeve inner since sleeve is opaque metal material after grouting
Fill grouting material in fact；
(3) in practice of construction, usually when grouting material is flowed out from grout outlet, it is believed that sleeve inner has filled grouting material,
But sleeve inner leads to defect of being in the milk, and grouting material can be caused from grout outlet outflow it is possible in the presence of the bubble not excluded
Waste increases grouting cost；
(4) sleeve inner fills grouting material, but the seam crossing grouting material between component does not enrich or seam crossing seals storehouse
Do not occur spillage tightly, sleeve inner grouting material is not enriched place, sleeve inner is caused to be in the milk due to dead weight, Self-leveling to seam 7
Expect defect, occurs cavity after sleeve filling when serious.
The safe application performance of these problems all extreme influence whole buildings.
Currently, being directed to these problems, the research about grouting quality detection inside reinforced bar sleeve mainly has traditional ultrasound
Wave method, Impact echo, vocal print feature method, pre-buried sensor method.For supercritical ultrasonics technology and Impact echo, there are precision not
The shortcomings of height, the artificial hand hammer of need excites；For vocal print feature method, since construction site environment is complicated noisy, signal interference is larger,
Artificial experience identification is needed to judge vocal print feature；For pre-buried sensor method, there is complicated construction technique, it cannot after sensor embedment
It takes out, the shortcomings of cannot recycling.Detection of the above each method all just for grouting quality in sleeve, and detecting to fill
Slurry cannot be mended in time after slurry defect, need to be further stirred for grouting material, then be carried out back-grouting.
Therefore, it is necessary to a kind of provisions for groutings and its construction method to solve problem above.
Invention content
For the above-mentioned problems in the prior art, it is desirable to provide a kind of provisions for grouting and its construction party of prefabricated components
Method, by the way that the slurry circulation conveying mechanism being connect with grout sleeve is arranged, to realize the purpose of cycle grouting, which can be effective
It solves the problems, such as that sleeve inner grouting is not enriched, bubble does not exclude fully, while being also provided with to detect to be in the milk whether to enrich and apply
Work step is rapid, after can preventing seam crossing grouting from not enriching or sealing sleeve filling caused by the not tight spillage in storehouse the problems such as mass defect, has
Effect improves quality of connection problem between precast concrete.
Specific technical solution is as follows：
A kind of provisions for grouting of prefabricated components, including precast concrete wall panel, precast concrete beam, and be embedded in described
The grout sleeve of precast concrete wall panel bottom, the top of the grout sleeve are equipped with the bottom of sleeve outlet, the grout sleeve
Portion is equipped with sleeve import, further includes the slurry circulation conveying mechanism being connect with the grout sleeve, the slurry cyclic conveyor
Structure includes agitating device and the booster pump that is connected with the agitating device, and the agitating device is equipped with grout outlet and into slurry
Mouthful, the grout outlet is connected with transfer passage, and the transfer passage and the sleeve inlet communication, the stock inlet are connected with back
Circulation road, the return flow line are connected to the sleeve outlet.
Preferably, slurry circulation conveying mechanism includes the controller of the control agitating device and supercharging pump work.
Preferably, the transfer passage is equipped with the first valve, the return flow line is equipped with the second valve.
Preferably, the transfer passage and return flow line are transparent hose.
Preferably, the agitating device is equipped with discharge bin and mixing chamber.
Preferably, slurry circulation conveying mechanism is connect with multiple grout sleeves.
A kind of grout construction method of prefabricated components, includes the following steps：
Grouting material is added in agitating device and is stirred；
The grout outlet of agitating device is connected to the sleeve import of grout sleeve by transfer passage, by agitating device into
Slurry mouth is connected to the sleeve outlet of grout sleeve by return flow line；
Booster pump is opened, grouting slurry body is poured by transfer passage in grout sleeve from the grout outlet of agitating device, so
Post-grouting slurry body is back to by return flow line in agitating device from the sleeve outlet of grout sleeve, cycle grouting；
The discharge situation that bubble is observed by return flow line continues cycling through grouting when there is bubble discharge, when bubble-free is arranged
When going out, booster pump is closed, stops grouting；
Preferably, further comprising the steps of：Grain filling is detected, when not observing bubble discharge in return flow line,
Close transfer passage, and return flow line carried to the sleeve outlet higher than grout sleeve, make return flow line with it is outer
Boundary's air pressure communicates, and observes whether grouting slurry body in return flow line is back in grout sleeve, if slurry is back to grout sleeve
Grouting is inside then continued cycling through, if slurry does not flow back, i.e. grouting is completed.
Preferably, closing transfer passage by closing the first valve.
Preferably, making return flow line be communicated with ambient pressure by opening the second valve.
The good effect of above-mentioned technical proposal is：
1) present invention is by being arranged the slurry circulation conveying mechanism being connected with grout sleeve, by the way of cycle grouting
It is in the milk, grouting operation is convenient and simple, has not only avoided the waste of grouting material, but also can effectively be discharged in grout sleeve in slurry
Bubble, can effectively prevent the quality problems that grouting is not enriched, bubble is not discharged fully inside grout sleeve, and transfer passage and
Return flow line is made of soft transparent material, and filling process can observe the bubble situation in grout sleeve in time, to improve
Grouting quality；
2) step for checking whether grouting is substantial is also set up at the end of being in the milk, and seam crossing grouting has been further prevented not enrich
Or envelope storehouse does not cause tightly to leak paddle defect problem, further ensures the grouting quality of the provisions for grouting；
Furthermore 3), the function of automatic stirring is arranged in the present invention on agitating device, can input grouting material dry powder and mixing water
Setting proportioning, add grouting material automatically, so that grouting material dry powder and mixing water is mixed, avoid since artificial origin causes
Grouting material mass defect, improve the mixing quality of grouting material.
Description of the drawings
Fig. 1 is the overall structure diagram of the present invention.
In attached drawing, 1, agitating device；1.1, grout outlet；1.2, stock inlet；1.3, discharge bin；1.4, mixing chamber；2, it conveys
Channel；2.1, the first valve；3, return flow line；3.1, the second valve；4, grout sleeve；4.1, sleeve import；4.2, sleeve goes out
Mouthful；5, precast concrete wall panel；6, precast concrete beam；7, seam.
Specific implementation mode
It is real below in order to make the technical means, the creative features, the aims and the efficiencies achieved by the present invention be easy to understand
Example combination attached drawing is applied to be specifically addressed to provided by the invention.
Incorporated by reference to Fig. 1, a kind of provisions for grouting of prefabricated components, including precast concrete wall panel 5, precast concrete are shown
Beam 6 is equipped with seam 7, and is embedded in 5 bottom of precast concrete wall panel between precast concrete wall panel 5 and precast concrete beam 6
Grout sleeve 4, and the slurry circulation conveying mechanism that is connect with grout sleeve 4.
Wherein, the top of grout sleeve 4 is equipped with sleeve outlet 4.2, bottom is equipped with sleeve import 4.1.Slurry circulation conveying
Mechanism includes agitating device 1 and the booster pump (not shown) being connected with agitating device 1, and agitating device 1 is equipped with grouting
The grout outlet 1.1 and stock inlet 1.2 of slurry body, grout outlet 1.1 are connected with transfer passage 2, transfer passage 2 and sleeve import 4.1
Connection；Stock inlet 1.2 is connected with return flow line 3, and return flow line 3 is connected to sleeve outlet 4.2, forms a grouting circulation conveying
Device.
In use, grouting material is uniformly mixed in agitating device 1, under the action of booster pump, slurry is filled from stirring
The outflow of grout outlet 1.1 for setting 1, is poured into grout sleeve 4 by transfer passage 2 from sleeve import 4.1, in grout sleeve 4
Grouting material be constantly full of entire sleeve, grouting material can flow out from sleeve outlet 4.2, then by return flow line 3 from agitating device 1
Stock inlet 1.2 pass back into agitating device 1, using the method, can effectively exclude the bubble in grout sleeve 4, improve grouting
Quality, while also avoiding the waste of grouting material.
Hereinafter, being illustrated with a kind of specific embodiment, it should be pointed out that described in following implementation it
Structure, technique, selection are only to illustrate the feasibility of embodiment, the intention of there is no restriction the scope of the present invention.
The slurry circulation conveying mechanism includes the controller for controlling agitating device 1 and being pressurized pump work, and controller can be used
PLC is controlled, and microcontroller control can also be used.
Specifically, the agitating device 1 is equipped with discharge bin 1.3 and mixing chamber 1.4, discharge bin 1.3 is dry for storing grouting material
Powder and mixing water, mixing chamber 1.4 is for stirring grouting material.Under the control of the controller, it the dry powder that can input in grouting material and mixes
The setting of Heshui matches, and automatically according to proportioning come add be stirred in grouting material dry powder and mixing water to mixing chamber 1.4 it is mixed
Uniform, the setting of this automation is closed, the worker that some construction quality can be prevented not high more or less adds mixing water, influences to fill
The quality of slurry.
The booster pump can be extruded grouting slurry by the pressure increased in agitating device 1.It is acted in the keying of controller
Under, the grouting slurry body being uniformly mixed in agitating device 1 can be extruded grout outlet 1.1, grout sleeve is flowed by transfer passage 2
It is in the milk in 4, then agitating device 1 is back to by return flow line 3.The controllable grouting slurry body of controller pours into grout sleeve
4 keying function, grouting is convenient and simple, and the waste of bubble and slurry body of being in the milk can be discharged.
Preferably, transfer passage 2 is equipped with the first valve 2.1, which flows into grouting set
The keying of cylinder 4；Return flow line 3 is equipped with the second valve 3.1, not only can control the keying of grouting slurry outflow grout sleeve 4, but also can
It is connected to outside air, whether the slurry for detecting in grout sleeve 4 is full of.
Further, transfer passage 2 and return flow line 3 are transparent hose, when facilitating observation grouting situation and grouting
Bubble situation.
In addition, the slurry circulation conveying mechanism can be connect with multiple grout sleeves 4 simultaneously, simultaneously to multiple grout sleeves 4
It is in the milk, grouting efficiency can be improved.The transfer passage 2 and return flow line 3 being connected with slurry circulation conveying mechanism can be
The jag structure of dendritic.
A kind of grout construction method of prefabricated components is described in detail with a kind of specific embodiment below, step is such as
Under：
Grouting material dry powder and mixing water are added in the discharge bin 1.3 of agitating device 1, the power supply of agitating device 1 is connected, is led to
The proportioning for crossing the dry powder and mixing water of controller setting grouting material, starts agitating device 1, and 1 auto feed of agitating device mixing is stirred
It mixes, mixing time is not less than 4 minutes.Using the technology of automatic stirring, can effectively prevent because quality is not high leads for construction personnel's construction
The grouting material mixing quality problem of cause, to improve the mixing quality of grouting material.
After precast concrete wall panel 5 and precast concrete beam 6 are lifted, by each portion of the provisions for grouting of prefabricated components
Divide and be attached, specifically：By the grout outlet 1.1 of agitating device 1 by transfer passage 2 be connected to the sleeve of grout sleeve 4 into
The stock inlet 1.2 of agitating device 1 is connected to the sleeve outlet 4.2 of grout sleeve 4 by mouth 4.1 by return flow line 3, the company of completion
It connects.
Controller opens booster pump, opens the function that grouting slurry body pours into grout sleeve 4, starts to be in the milk, be in the milk slurry
Body is poured by transfer passage 2 in grout sleeve 4 from the grout outlet 1.1 of agitating device 1, and slurry body of being then in the milk is from grout sleeve
4 sleeve outlet 4.2 is back to by return flow line 3 in agitating device 1, cycle grouting, this process circulation time should be no less than 1
Minute, to ensure that bubble is fully discharged in grout sleeve 4.
During cycle grouting, construction personnel should observe the discharge situation of bubble by return flow line 3, when there is bubble
When discharge, grouting is continued cycling through, when bubble-free is discharged, closes booster pump, closes the work(that grouting slurry body pours into grout sleeve 4
Can, stop grouting.
Grain filling is detected, when not observing bubble discharge in return flow line 3, closes first on transfer passage 2
Valve 2.1, and return flow line 3 is carried to the sleeve outlet 4.2 higher than grout sleeve 4 and is no less than at 10 centimeters, reflux is logical at this time
The second valve 3.1 on road 3 is opened, and return flow line 3 is made to be communicated with ambient pressure, and grouting slurry body is in observation return flow line 3
It is no to be back in grout sleeve 4, step 3 and step 4 are repeated if slurry is back in grout sleeve 4, if slurry does not flow back,
I.e. grouting is completed.Increase this detecting step, grouting at seam 7 can be effectively prevent not enrich or seal the not tight caused spillage in storehouse,
Quality after filling to influence grout sleeve 4.
The present invention is by being arranged the slurry circulation conveying mechanism being connected with grout sleeve 4, by the way of cycle grouting
It is in the milk, grouting operation is convenient and simple, has not only avoided the waste of grouting material, but also can effectively be discharged in grout sleeve 4 in slurry
Bubble, the grouting of the inside of grout sleeve 4 can be effectively prevent not enrich, the quality problems that bubble is not discharged fully, and convey logical
Road 2 and return flow line 3 are made of soft transparent material, and filling process can observe the bubble situation in grout sleeve 4 in time, from
And improve grouting quality；The step for checking whether grouting is substantial is also set up at the end of grouting, has further prevented being in the milk at seam 7
Not enriching or sealing storehouse does not cause tightly to leak paddle defect problem, further ensures the grouting quality of the provisions for grouting；Furthermore this hair
The bright function that automatic stirring is arranged on agitating device 1 can input the setting proportioning of grouting material dry powder and mixing water, automatic to add
Grouting material makes grouting material dry powder and mixing water be mixed, avoids due to grouting material mass defect caused by artificial origin, carry
The high mixing quality of grouting material.
It these are only preferred embodiments of the present invention, be not intended to limit the implementation manners and the protection scope of the present invention, it is right
For those skilled in the art, it should can appreciate that and all be replaced with being equal made by description of the invention and diagramatic content
It changes and obviously changes obtained scheme, should all be included within the scope of the present invention.
Claims (10)
1. a kind of provisions for grouting of prefabricated components, including precast concrete wall panel (5), precast concrete beam (6), and be embedded in
The top of the grout sleeve (4) of precast concrete wall panel (5) bottom, the grout sleeve (4) is equipped with sleeve outlet
(4.2), the bottom of the grout sleeve (4) is equipped with sleeve import (4.1), it is characterised in that：Further include and the grout sleeve
(4) the slurry circulation conveying mechanism connected, slurry circulation conveying mechanism include agitating device (1) and are filled with the stirring
(1) connected booster pump is set, the agitating device (1) is equipped with grout outlet (1.1) and stock inlet (1.2), the grout outlet
(1.1) it is connected with transfer passage (2), the transfer passage (2) is connected to the sleeve import (4.1), the stock inlet (1.2)
It is connected with return flow line (3), the return flow line (3) is connected to the sleeve outlet (4.2).
2. a kind of provisions for grouting of prefabricated components according to claim 1, which is characterized in that the slurry cyclic conveyor
Structure includes the controller for controlling the agitating device (1) and being pressurized pump work.
3. a kind of provisions for grouting of prefabricated components according to claim 1, which is characterized in that on the transfer passage (2)
Equipped with the first valve (2.1), the return flow line (3) is equipped with the second valve (3.1).
4. a kind of provisions for grouting of prefabricated components according to claim 1, which is characterized in that the transfer passage (2) and
Return flow line (3) is transparent hose.
5. a kind of provisions for grouting of prefabricated components according to claim 1, which is characterized in that the agitating device (1) sets
There are discharge bin (1.3) and mixing chamber (1.4).
6. a kind of provisions for grouting of prefabricated components according to claim 1, which is characterized in that the slurry cyclic conveyor
Structure is connect with multiple grout sleeves (4).
7. a kind of grout construction method of prefabricated components, which is characterized in that include the following steps：
Grouting material is added in agitating device (1) and is stirred；
The grout outlet (1.1) of agitating device (1) is connected to the sleeve import of grout sleeve (4) by transfer passage (2)
(4.1), the stock inlet (1.2) of agitating device (1) is connected to the sleeve outlet of grout sleeve (4) by return flow line (3)
(4.2)；
Booster pump is opened, grouting slurry body pours into grouting set from the grout outlet (1.1) of agitating device (1) by transfer passage (2)
In cylinder (4), slurry body of being then in the milk is back to stirring dress from the sleeve outlet (4.2) of grout sleeve (4) by return flow line (3)
It sets in (1), cycle grouting；
The discharge situation of bubble is observed by return flow line (3)：When there is bubble discharge, grouting is continued cycling through；When bubble-free is arranged
When going out, booster pump is closed, stops grouting.
8. a kind of grout construction method of prefabricated components according to claim 7, which is characterized in that further include following step
Suddenly：Grain filling is detected, when not observing bubble discharge in return flow line (3), closes transfer passage (2), and will reflux
Channel (3) is carried to the sleeve outlet (4.2) higher than grout sleeve (4), makes return flow line (3) and ambient pressure phase
Logical, whether grouting slurry body is back in grout sleeve (4) in observation return flow line (3), if slurry is back to grout sleeve (4)
Grouting is inside then continued cycling through, if slurry does not flow back, i.e. grouting is completed.
9. a kind of grout construction method of prefabricated components according to claim 8, which is characterized in that by closing the first valve
Door (2.1) closes transfer passage (2).
10. a kind of grout construction method of prefabricated components according to claim 8, which is characterized in that by opening second
Valve (3.1) makes the return flow line (3) be communicated with ambient pressure.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109469263A (en) * | 2018-11-02 | 2019-03-15 | 江苏工程职业技术学院 | A kind of reinforced bar sleeve quantifies grouting construction process |
| CN111270814A (en) * | 2020-03-22 | 2020-06-12 | 石家庄铁道大学 | PC component sleeve quantitative grouting device with steel bar positioning and sealing functions |
| CN111749464A (en) * | 2020-05-15 | 2020-10-09 | 中国一冶集团有限公司 | Grouting and pouring equipment and grouting and pouring method |
| CN115198926A (en) * | 2022-05-13 | 2022-10-18 | 江苏新盈装配建筑科技有限公司 | Frame structure assembly type wall-beam connecting structure and construction method thereof |
| CN116378417A (en) * | 2023-05-29 | 2023-07-04 | 中铁城建集团第一工程有限公司 | Grouting equipment and grouting method for steel bar sleeve |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109469263A (en) * | 2018-11-02 | 2019-03-15 | 江苏工程职业技术学院 | A kind of reinforced bar sleeve quantifies grouting construction process |
| CN109469263B (en) * | 2018-11-02 | 2021-01-08 | 江苏工程职业技术学院 | Quantitative grouting construction process for steel bar sleeve |
| CN111270814A (en) * | 2020-03-22 | 2020-06-12 | 石家庄铁道大学 | PC component sleeve quantitative grouting device with steel bar positioning and sealing functions |
| CN111270814B (en) * | 2020-03-22 | 2021-03-12 | 石家庄铁道大学 | PC component sleeve quantitative grouting device with steel bar positioning and sealing functions |
| CN111749464A (en) * | 2020-05-15 | 2020-10-09 | 中国一冶集团有限公司 | Grouting and pouring equipment and grouting and pouring method |
| CN115198926A (en) * | 2022-05-13 | 2022-10-18 | 江苏新盈装配建筑科技有限公司 | Frame structure assembly type wall-beam connecting structure and construction method thereof |
| CN115198926B (en) * | 2022-05-13 | 2024-03-01 | 江苏新盈装配建筑科技有限公司 | Frame structure assembled wall-beam connection structure and construction method thereof |
| CN116378417A (en) * | 2023-05-29 | 2023-07-04 | 中铁城建集团第一工程有限公司 | Grouting equipment and grouting method for steel bar sleeve |
| CN116378417B (en) * | 2023-05-29 | 2023-08-18 | 中铁城建集团第一工程有限公司 | Grouting equipment and grouting method for steel bar sleeve |
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Application publication date: 20180928 |