CN105781022A - Blocking valve, grouting sleeve and prefabricated component connecting method - Google Patents
Blocking valve, grouting sleeve and prefabricated component connecting method Download PDFInfo
- Publication number
- CN105781022A CN105781022A CN201610323531.3A CN201610323531A CN105781022A CN 105781022 A CN105781022 A CN 105781022A CN 201610323531 A CN201610323531 A CN 201610323531A CN 105781022 A CN105781022 A CN 105781022A
- Authority
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- China
- Prior art keywords
- slip casting
- casting sleeve
- prevention
- valve
- serosity
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
- 238000000034 method Methods 0.000 title claims abstract description 31
- 230000000903 blocking effect Effects 0.000 title abstract 3
- 238000007569 slipcasting Methods 0.000 claims description 81
- 230000002265 prevention Effects 0.000 claims description 75
- 239000002002 slurry Substances 0.000 claims description 9
- 239000012528 membrane Substances 0.000 claims description 8
- 230000010410 reperfusion Effects 0.000 claims description 4
- 239000011178 precast concrete Substances 0.000 claims description 3
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 238000009435 building construction Methods 0.000 abstract description 3
- 238000012544 monitoring process Methods 0.000 abstract description 3
- 229910000831 Steel Inorganic materials 0.000 abstract description 2
- 239000010959 steel Substances 0.000 abstract description 2
- 239000011440 grout Substances 0.000 abstract 1
- 150000001875 compounds Chemical class 0.000 description 4
- 239000004567 concrete Substances 0.000 description 4
- 229920006395 saturated elastomer Polymers 0.000 description 4
- NOQGZXFMHARMLW-UHFFFAOYSA-N Daminozide Chemical group CN(C)NC(=O)CCC(O)=O NOQGZXFMHARMLW-UHFFFAOYSA-N 0.000 description 3
- 230000003187 abdominal effect Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000002372 labelling Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/36—Valve members
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/02—Construction of housing; Use of materials therefor of lift valves
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Indication Of The Valve Opening Or Closing Status (AREA)
Abstract
The invention provides a blocking valve, a grouting sleeve and a prefabricated component connecting method. The steel bar connection grouting sleeve has a sealed space, and can be automatically sealed after grouting, and the grouting degree can be observed in a grouting process. Compared with an existing open sleeve, the grouting sleeve has the advantages that higher pressure can be born in the grouting process, the grouting sleeve can be automatically sealed after grouting, and the grout fullness of the sealed space can be observed in the grouting process, thereby monitoring the grouting quality of the grouting sleeve. The blocking valve, the grouting sleeve and the prefabricated component connecting method can be widely applied to a grouting sleeve connection process in the technical field of building construction.
Description
Technical field
The application relates to technical field of building construction, and the prefabricated components particularly relating to technical field of building construction connect.
Background technology
Prefabricated Concrete structural system is the developing direction of China's civil engineering industry industrialization upgrading.Between prefabricated concrete element, the interconnection technique of splice is to ensure that the key of this technology construction quality.Reinforced bar sleeve slip casting interconnection technique, is the first-selection of Prefabricated Concrete bar connecting.
Existing tube-in-tube structure is as described in Figure 1, sleeve body 1 is the cylinder of open type, is formed at the injected hole 2 on cylinder and steam vent 3, during use, reinforcing bar 4 inserts in its cylinder from sleeve body 1 two ends, then passes through the gap that injected hole 2 slip casting makes serosity be full of between sleeve body 1 and reinforcing bar 4.Owing to this sleeve body is the space of open type, its slip casting utilizes the mobility of serosity and from close property to enrich sleeve cavity when connecting, this kind of method cannot ensure the saturated of inside cavity serosity, slip casting effect in sleeve cannot be carried out final judge by existing detection method, thus leaving hidden dangers in project.
Summary of the invention
In view of above-mentioned technical problem, the application proposes a kind of prevention valve, slip casting sleeve and adopts slip casting sleeve to carry out prefabricated components method of attachment.It is intended that in slip casting process, it is achieved be automatically switched off vent and the saturated conditions of serosity in slip casting sleeve is monitored, and can using monitoring result as slip casting sleeve slip casting acceptance criteria.
For achieving the above object, the application provides following technical scheme:
A kind of bar connecting slip casting sleeve, it is characterised in that: described bar connecting slip casting sleeve has the space of closing, and it is energy self-closed after reperfusion serosity, and can observe slurry filling degree in the process of reperfusion serosity.
Specifically, described slip casting sleeve includes tubular body, described tubular body has injected hole and steam vent, it is characterized in that: also include stoping valve, described prevention valve includes shell and stops body, and described shell is a tubular housing, it has even bar connecting slip casting sleeve and connects end and spacing observation panel, described prevention body is contained in described shell, and the link of described shell is connected with described steam vent, and described prevention body is closed spacing observation panel under the promotion of serosity and realized self-closed.
Further, slurry filling degree is observed by the change of the relatively described spacing observation panel position of described prevention body.
Preferably, described prevention body is rotationally connected with described shell, is not connected to, fixing is connected or elastic connection.
Preferably, it is formed with exhaust passage in described prevention valve.
Specifically, described exhaust passage is the minim gap being formed between the steam vent on described prevention body, the permeable membrane being arranged on described prevention body or described prevention body and described shell.
Specifically, described link and described steam vent are for removably connecting.
Further, threaded or socket it is detachably connected as described in.
Adopt the method for attachment of the precast concrete of slip casting sleeve described above, it is characterised in that the step in slip casting sleeve slip casting stage is as follows:
The air vent of the link of described prevention valve with described slip casting sleeve body is connected；
High-voltage high-speed continues slip casting and by the serosity of the described tubular housing of the spacing observation panel described prevention valve of observation until serosity is full of vent, described prevention valve self-closed to the injected hole of described slip casting sleeve body；
Grouting pressure improves and continues a time period.
Simultaneously, the application provide a kind of with slip casting sleeve body with the use of prevention valve, described prevention valve includes shell, it is characterised in that: also including stoping body and exhaust passage, described shell has tubular housing, its one end is link, the other end is spacing observation panel, and described prevention body is contained in described tubular housing, and moves along described tubular housing to described spacing observation panel under pressure promotes, when described prevention body moves to described spacing observation panel, described tubular housing self-closed.
Specifically, described prevention body is block, spherical or lamellar.
Preferably, described prevention is internal pressure scale, and described pressure scale realizes scale by the move distance of relatively described spacing observation panel and indicates.
Further, described exhaust passage is be formed at the internal steam vent of described prevention, be arranged on the internal permeable membrane of described prevention or minim gap between described prevention body and described shell.
The application compared with prior art, has the advantages that
Herein described prevention valve after it is connected with slip casting sleeve body, makes slip casting sleeve body form a space closed in slip casting process, when slip casting, can adopt bigger pressure, make serosity be full of whole space, and realize self-closed.
The body that stops stoping valve contacts with the shell surface of prevention valve, and is provided with exhaust passage, and during slip casting, gas and density and the little material of viscosity can pass through, and the bigger thick substances of viscosity is blocked, and improves the grouting quality in slip casting sleeve body.
Stop valve various ways, different modes can be passed through and see serosity saturated conditions intuitively by spacing observation panel, it is possible to accomplish to know what's what to the slip casting situation in slip casting sleeve, improve prefabricated components and connect the intensity of node location, really the design concept of " strong node, weak component " is realized.
When adopting novel slurry filling sleeve to carry out prefabricated components connection, its relatively existing slip casting sleeve connection method, have the advantage that
1, bigger pressure carries serosity, also very fast with hourly velocity, improves efficiency of construction.
2, serosity enriches slip casting sleeve cavity by pressure and mobility and makes it closely knit, owing to pressure is bigger, so serosity can be distributed to and (include fine pore) Anywhere in slip casting sleeve cavity, any dead angle will not be produced, bubble improves construction quality.
3, adopting prevention valve exhaust, serosity will not produce excessive so that more environmentally-friendly vent of constructing does not need individually to close, and completes grouting behind shaft or drift lining set into the barrel chamber serosity and will not produce backflow.
4, herein described slip casting process, it is possible to judge the saturation of serosity by observing the change stoping valve, a kind of method of this inspection of engineering quality especially.
Accompanying drawing explanation
Fig. 1 is existing slip casting tube-in-tube structure；
Fig. 2 is for stoping valve and slip casting sleeve body connection diagram；
Fig. 3 is the first prevention valve arrangement and work process of the application；
Fig. 4 is that the application the second stops valve arrangement and work process；
Fig. 5 is the third prevention valve arrangement and work process of the application；
Fig. 6 is that the application the 4th kind stops valve arrangement；
Fig. 7 is that the application the 5th kind stops valve arrangement and work process；
Accompanying drawing labelling: 1-slip casting sleeve body, 2-steam vent, 3-injected hole, 4-reinforcing bar, 5-stop valve, 501-link, 502-steam vent, 503-T type to stop body, the spacing observation panel of 504-, 505-shell, 506-spring, the spherical prevention body of 507-, 508-lamellar to stop body, 509-rotating shaft, 5010-transparent sheet-like to stop body, 5011-permeable membrane, 5012-compound to stop body, 6-to close space.
Detailed description of the invention
For making the goal of the invention of the present invention, technical scheme and beneficial effect clearly understand, below in conjunction with accompanying drawing, embodiments of the invention are illustrated, it should be noted that when not conflicting, the embodiment in the application and the feature in embodiment can combination in any mutually.
Being the connection diagram stoping valve with slip casting sleeve body referring to Fig. 2, Fig. 2, the arrow in figure represents the flow direction of serosity.As shown in the figure, slip casting sleeve body 1 has through cavity, its wall is formed in the injected hole 3 of grouting and slip casting process the steam vent 2 of aerofluxus, valve (the prevention body herein stoping valve is T-shaped prevention body 503) is stoped to be connected on steam vent 2, when slip casting sleeve body 1 is connected with prefabricated components, formed in the shell 501 of slip casting sleeve body 1 and prevention valve and close space 6, thus bigger grouting pressure can be born when slip casting and not steam vent spillage, bigger grouting pressure enters closes space 6, the fully full cavity of serosity can be made, thus realizing the degree of compaction of slip casting sleeve place's slip casting, fully realize " strong node, weak component " design concept.
Embodiment one is shown that the prevention valve 5 stoping body to be T-shaped prevention body 503 referring to Fig. 3, Fig. 3.The figure in left side is the original state stoping valve, and the prevention valve state when figure on right side is be full of serosity, the arrow at figure link 501 place on right side represents the flow direction of serosity.As it can be seen, this embodiment stops valve 5 include shell 505, T-shaped prevention body 503, spring 506.Described shell 505 has tubular housing, outwards extends and form the link 501 being connected with slip casting sleeve steam vent in its one end, and the other end inside contracts to shell 505 and forms the spacing observation panel 504 stoping body to skid off and can observe the full situation of serosity in tubular housing.In the T-shaped prevention body 503 shell 505 between link 501 and spacing observation panel 504, it has T-shaped profile, the alar part both sides of T-shaped profile contact with the internal face of shell 505, steam vent 502 is offered in T-shaped prevention body 503, the abdominal part of T-shaped profile matches with spacing observation panel 504, and it can from the opening part of spacing observation panel 504 slidably.The alar part of T-shaped profile is connected by spring 506 is fixing with the shell 505 near spacing observation panel 504, when slip casting in slip casting sleeve, under the promotion of slurry pressure, spring 506 drives T-shaped prevention body 503 to move to spacing observation panel 504 from link 501, the abdominal part of T-shaped profile is displaced outwardly from the opening part of spacing observation panel 504, its distance moved can mark the size of grouting pressure, when the alar part of T-shaped prevention body 503 arrives spacing observation panel 504, from the opening part of spacing observation panel 504 fully extended (as shown in the right figure of Fig. 3), namely abdominal part shows that in slip casting sleeve, serosity is completely filled with, exhaust passage is realized self-enclosed by serosity closing.
Embodiment two is shown that the prevention valve 5 stoping body to be spherical prevention body 507 referring to Fig. 4, Fig. 4.The figure in left side is the original state stoping valve 5, and the prevention valve state when figure on right side is be full of serosity, the arrow at figure link 501 place on right side represents the flow direction of serosity.This embodiment is compared with embodiment one, differ primarily in that the shape stoping body is different, due in the present embodiment stop body be shaped as spherical, itself there is good travelling performance under the promotion of slurry pressure, this example stop body with shell 505 without being connected, certainly, in the specific implementation, this embodiment can also refer to embodiment one and arranges pressure scale.
It is the prevention valve that lamellar stops body 508 that embodiment three is shown that stoping body referring to Fig. 5, Fig. 5.The figure in left side is the original state stoping valve, and the prevention valve state when figure on right side is be full of serosity, the arrow at figure link 501 place on right side represents the flow direction of serosity.Lamellar stops body 508 to be connected by rotating shaft 509 with shell 505 inwall near spacing observation panel 504, its process is similar with the switching process of door, during original state, lamellar stops body 508 to be positioned at the cavity of shell 505, during slip casting, under the promotion of slurry pressure, lamellar stops body 508 to rotate centered by rotating shaft 509, when lamellar prevention body 508 turns to the peristome of spacing observation panel 504 completely (shown in figure as right in Fig. 5), it was shown that in slip casting sleeve, serosity fills.
Embodiment four is referring to Fig. 6, it is the prevention valve 5 that transparent sheet-like stops body 5010 that Fig. 6 is shown that stoping body, lamellar stops body 5010 relative to the invariant position of spacing observation panel 504 (fixing with spacing observation panel 504), namely block at spacing observation panel 504 place from the beginning, the saturated conditions of serosity can pass through transparent sheet-like and stop body 5010 to be observed, transparent sheet-like stops in body 5010 steam vent 502, when stoping full serosity in valve 5, aerofluxus is by being realized self-enclosed by serosity closure, and in figure, arrow represents the flow direction of serosity.
Embodiment five is referring to Fig. 7, it is the prevention valve 5 that compound stops body 5012 that Fig. 7 is shown that stoping body, the figure in left side is the original state stoping valve, and the prevention valve state when figure on right side is be full of serosity, the arrow at figure link 501 place on right side represents the flow direction of serosity.Compound stops the body of body 5012 to be lamellar, its material can be steel etc., the basis of compound prevention body 5012 is internal permeable membrane 5011, when to slip casting in slip casting sleeve body, gas in serosity can pass through permeable membrane 5011 and discharge, and after compound stops body 5012 to reach the position of spacing observation panel 504, serosity closes the permeability hole of permeable membrane 5011, it is achieved the self-closed of cavity.
In the specific implementation, the connected mode of the link 501 of slip casting sleeve body 1 and prevention valve 5 is for removably connecting, and concrete can be threaded or socket.
Described prevention valve after installation forming, is cast in prefabricated components when using together with sleeve；Or install during reserved connector slip casting in prefabricated components.
Adopting above-mentioned Novel sleeve to carry out the method for attachment of precast concrete, the step in slip casting stage is as follows,
The air vent of the link of described prevention valve with described slip casting sleeve body is connected；
High-voltage high-speed continues slip casting and by the serosity of the described tubular housing of the spacing observation panel described prevention valve of observation until serosity is full of vent, described prevention valve self-closed to the injected hole of described slip casting sleeve body；Close space 6 owing to stoping the link of valve to form one after being connected with described slip casting sleeve body, therefore can bear the slip casting of high-voltage high-speed；Spacing observation panel can realize the monitoring of serosity slip casting situation in work progress, so that it is guaranteed that the slurry filling quality at slip casting sleeve position.
Grouting pressure improves and continues a time period, and this process is at elevated pressures, make serosity be full of exhaust passage, it is achieved slip casting sleeve self-enclosed.
Above-described embodiment is only and enumerating of doing of present invention content is described, the protection domain of the application is not limited except as, and is still as the criterion with the content of the application claims.It is easily understood that in other embodiments, professional and technical personnel can be modified according to the routine techniques of this specialty and general knowledge, for instance the shape changing shell, the shape stoping body and the connected mode with shell each fall within the protection domain of the application.
Claims (13)
1. a bar connecting slip casting sleeve, it is characterised in that: described bar connecting slip casting sleeve has the space of closing, and it is energy self-closed after reperfusion serosity, and observes slurry filling degree in the process of reperfusion serosity.
2. bar connecting slip casting sleeve according to claim 1, described slip casting sleeve includes tubular body, described tubular body has injected hole and steam vent, it is characterized in that: also include stoping valve, described prevention valve includes shell and stops body, described shell is a tubular housing, it has the link and spacing observation panel that connect reinforcing bar slip casting sleeve, described prevention body is contained in described shell, the link of described shell is connected with described steam vent, and described prevention body is closed described spacing observation panel under the promotion of serosity and realized self-closed.
3. bar connecting slip casting sleeve according to claim 2, it is characterised in that: observe slurry filling degree by the change of the relatively described spacing observation panel position of described prevention body.
4. bar connecting slip casting sleeve according to claim 3, it is characterised in that: described prevention body is rotationally connected with described shell, is not connected to, fixing is connected or elastic connection.
5. bar connecting slip casting sleeve according to claim 2, it is characterised in that: it is formed with exhaust passage in described prevention valve.
6. bar connecting slip casting sleeve according to claim 5, it is characterised in that: described exhaust passage is the minim gap being formed between the steam vent on described prevention body, the permeable membrane being arranged on described prevention body or described prevention body and described shell.
7. according to claim 2 with the bar connecting slip casting sleeve stoping valve, it is characterised in that: described link and described steam vent are for removably connecting.
8. according to claim 7 with the bar connecting slip casting sleeve stoping valve, it is characterised in that: it is detachably connected as threaded or socket.
9. one kind adopts the method for attachment of the precast concrete of slip casting sleeve described in the claims 1 to 8 any one, it is characterised in that the step in slip casting sleeve slip casting stage is as follows:
The air vent of the link of described prevention valve with described slip casting sleeve body is connected；
High-voltage high-speed continues slip casting and by the serosity of the described tubular housing of the spacing observation panel described prevention valve of observation until serosity is full of vent, described prevention valve self-closed to the injected hole of described slip casting sleeve body；
Grouting pressure improves and continues a time period.
10. a prevention valve, including shell, it is characterized in that: also include stoping body and exhaust passage, described shell has tubular housing, and its one end is link, and the other end is spacing observation panel, described prevention body is contained in described tubular housing, and move along described tubular housing to described spacing observation panel under serosity promotes, when described prevention body moves to described spacing observation panel, described tubular housing self-closed.
11. stop valve as claimed in claim 10, it is characterised in that: described prevention body is block, spherical or lamellar.
12. stop valve as claimed in claim 10, it is characterised in that: described prevention is internal pressure scale, and described pressure scale realizes scale by the move distance of relatively described spacing observation panel and indicates.
13. stop valve as claimed in claim 10, it is characterised in that: described exhaust passage is be formed at the internal steam vent of described prevention, be arranged on the internal permeable membrane of described prevention or minim gap between described prevention body and described shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610323531.3A CN105781022A (en) | 2016-05-17 | 2016-05-17 | Blocking valve, grouting sleeve and prefabricated component connecting method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610323531.3A CN105781022A (en) | 2016-05-17 | 2016-05-17 | Blocking valve, grouting sleeve and prefabricated component connecting method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105781022A true CN105781022A (en) | 2016-07-20 |
Family
ID=56379618
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610323531.3A Withdrawn CN105781022A (en) | 2016-05-17 | 2016-05-17 | Blocking valve, grouting sleeve and prefabricated component connecting method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105781022A (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106677437A (en) * | 2017-01-20 | 2017-05-17 | 周建 | Rebar connecting grout sleeve with standby holes and sleeve connection quality detecting method |
| CN107478719A (en) * | 2017-06-27 | 2017-12-15 | 浙江大学 | The structure and method of the built-in vibration-testing method detection telescopic splice of grouting behind shaft or drift lining |
| CN107938947A (en) * | 2017-12-13 | 2018-04-20 | 周建 | Combined reinforced bar connects grout sleeve and application method |
| CN109366715A (en) * | 2018-12-25 | 2019-02-22 | 南京工程学院 | A kind of precast shear wall grouting pipe |
| CN110907630A (en) * | 2019-10-24 | 2020-03-24 | 中建科技有限公司 | Sleeve grouting fullness detection device and application method thereof |
| CN111980304A (en) * | 2020-07-23 | 2020-11-24 | 中国十七冶集团有限公司 | Self-closing grouting sleeve grouting opening interface device and construction method |
| CN112502048A (en) * | 2020-12-08 | 2021-03-16 | 云南省建设投资控股集团有限公司 | Highway T roof beam hogging moment slip casting exhaust observation pipe |
| CN112726962A (en) * | 2020-12-23 | 2021-04-30 | 澧县荣友沥青混凝土有限责任公司 | Assembled grout sleeve |
| CN114278015A (en) * | 2021-12-13 | 2022-04-05 | 皓耀时代(福建)集团有限公司 | Connecting structure and construction method for building floor and wall |
-
2016
- 2016-05-17 CN CN201610323531.3A patent/CN105781022A/en not_active Withdrawn
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106677437A (en) * | 2017-01-20 | 2017-05-17 | 周建 | Rebar connecting grout sleeve with standby holes and sleeve connection quality detecting method |
| CN106677437B (en) * | 2017-01-20 | 2023-12-29 | 周建 | Steel bar connection grouting sleeve with standby holes and sleeve connection quality detection method |
| CN107478719A (en) * | 2017-06-27 | 2017-12-15 | 浙江大学 | The structure and method of the built-in vibration-testing method detection telescopic splice of grouting behind shaft or drift lining |
| CN107478719B (en) * | 2017-06-27 | 2023-04-18 | 浙江大学 | Structure and method for detecting post-grouting sleeve type steel bar joint by built-in vibration test method |
| CN107938947A (en) * | 2017-12-13 | 2018-04-20 | 周建 | Combined reinforced bar connects grout sleeve and application method |
| CN107938947B (en) * | 2017-12-13 | 2023-09-22 | 周建 | Combined steel bar connection grouting sleeve and use method thereof |
| CN109366715A (en) * | 2018-12-25 | 2019-02-22 | 南京工程学院 | A kind of precast shear wall grouting pipe |
| CN109366715B (en) * | 2018-12-25 | 2023-09-01 | 南京工程学院 | Precast shear wall grouting pipeline |
| CN110907630B (en) * | 2019-10-24 | 2022-06-03 | 中建科技有限公司 | Sleeve grouting fullness detection device and application method thereof |
| CN110907630A (en) * | 2019-10-24 | 2020-03-24 | 中建科技有限公司 | Sleeve grouting fullness detection device and application method thereof |
| CN111980304A (en) * | 2020-07-23 | 2020-11-24 | 中国十七冶集团有限公司 | Self-closing grouting sleeve grouting opening interface device and construction method |
| CN112502048A (en) * | 2020-12-08 | 2021-03-16 | 云南省建设投资控股集团有限公司 | Highway T roof beam hogging moment slip casting exhaust observation pipe |
| CN112726962A (en) * | 2020-12-23 | 2021-04-30 | 澧县荣友沥青混凝土有限责任公司 | Assembled grout sleeve |
| CN114278015A (en) * | 2021-12-13 | 2022-04-05 | 皓耀时代(福建)集团有限公司 | Connecting structure and construction method for building floor and wall |
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Application publication date: 20160720 |