CN108625536B - A design method for grouting channel of precast concrete vertical components - Google Patents

A design method for grouting channel of precast concrete vertical components Download PDF

Info

Publication number
CN108625536B
CN108625536B CN201810630366.5A CN201810630366A CN108625536B CN 108625536 B CN108625536 B CN 108625536B CN 201810630366 A CN201810630366 A CN 201810630366A CN 108625536 B CN108625536 B CN 108625536B
Authority
CN
China
Prior art keywords
grouting
precast concrete
shaped
concrete vertical
steel bar
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.)
Active
Application number
CN201810630366.5A
Other languages
Chinese (zh)
Other versions
CN108625536A (en
Inventor
滕晓军
吴道宝
全有维
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Third Construction Co Ltd of China Construction Eighth Engineering Divison Co Ltd
Original Assignee
Third Construction Co Ltd of China Construction Eighth Engineering Divison Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Third Construction Co Ltd of China Construction Eighth Engineering Divison Co Ltd filed Critical Third Construction Co Ltd of China Construction Eighth Engineering Divison Co Ltd
Priority to CN201810630366.5A priority Critical patent/CN108625536B/en
Publication of CN108625536A publication Critical patent/CN108625536A/en
Application granted granted Critical
Publication of CN108625536B publication Critical patent/CN108625536B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Sewage (AREA)
  • On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)

Abstract

The invention discloses a method for designing a grouting channel of a precast concrete vertical member, which comprises the following steps: pre-preparing an upper precast concrete vertical member and a lower precast concrete vertical member; prefabricating a first bottom key groove, a second bottom key groove, an L-shaped grouting pipeline and an L-shaped observation pipeline in the upper precast concrete vertical member; the first bottom key groove is connected with the L-shaped grouting pipeline, and the second bottom key groove is connected with the L-shaped observation pipeline; a steel bar grouting sleeve is arranged at the lower part of the upper precast concrete vertical member, and is communicated with the horizontal joint of the upper precast concrete vertical member and the lower precast concrete vertical member; grouting material sequentially enters the second bottom key groove, the horizontal joint of the upper prefabricated part and the lower prefabricated part and the first bottom key groove through the L-shaped grouting pipeline, is discharged from a grouting outlet of the steel bar grouting sleeve, and blocks the grouting outlet of the steel bar grouting sleeve; and then the water is discharged from the L-shaped observation pipeline, and the L-shaped observation pipeline and the L-shaped grouting pipeline are blocked.

Description

Precast concrete vertical member grouting channel design method
Technical Field
The invention relates to a grouting technology used when vertical members of a prefabricated building are connected up and down, in particular to a method for designing a grouting channel of the vertical members of the prefabricated concrete, and belongs to the technical field of building engineering.
Background
The existing precast concrete vertical members are widely applicable to various public buildings, civil buildings and the like, and precast concrete vertical members among different layers are connected by grouting steel bar sleeves. The principle of the connection of the steel bar grouting sleeve is that the high-strength grouting material is used for filling the gap between the reserved steel bar of the lower-section prefabricated part and the inner cavity of the reserved sleeve of the upper-section prefabricated part, so that a connection joint with the connection strength meeting the design requirement is formed between the steel bar and the sleeve. The compactness of the grouting material in the grouting sleeve determines whether the connection strength of the grouting sleeve connecting piece joint meets the design requirement.
The traditional precast concrete vertical member grouting adopts pressure grouting, a grouting opening is arranged at the lower part of a grouting sleeve or at the horizontal joint of the upper and lower precast members, and the gap inside the precast member grouting sleeve is sequentially filled from bottom to top by a pressure method. However, when the lower grouting opening is plugged, the non-solidified grouting material in the grouting sleeve can leak outwards due to the influence of gravity, so that the grouting material in the grouting sleeve is not compact and full, and the strength of the connecting joint of the grouting sleeve connecting piece is further influenced.
Disclosure of Invention
The invention aims to: the invention aims to overcome the defects of the prior art, and provides a method for designing a grouting channel of a precast concrete vertical member, which can ensure that the grouting quality of the precast concrete vertical member is qualified and stable, grouting material is free from leakage, the construction operation is simple and convenient, and the quality requirement of grouting compactness of the precast concrete vertical member can be met.
The technical scheme is as follows: the invention discloses a method for designing a grouting channel of a precast concrete vertical member, which comprises the following steps:
The method comprises the steps of firstly, prefabricating an upper-section precast concrete vertical member and a lower-section precast concrete vertical member, wherein the upper-section precast concrete vertical member is connected with the lower-section precast concrete vertical member through precast member vertical reinforcing steel bars, and an upper-lower precast member horizontal seam is formed at the joint of the upper-section precast concrete vertical member and the lower-section precast concrete vertical member; turning to a second step;
Prefabricating a first bottom key groove, a second bottom key groove, an L-shaped grouting pipeline and an L-shaped observation pipeline in the upper precast concrete vertical member, wherein the first bottom key groove is communicated with the second bottom key groove, and the first bottom key groove and the second bottom key groove are communicated with horizontal joints of the upper precast member and the lower precast member; turning to a third step;
Thirdly, connecting the first bottom key groove with an L-shaped grouting pipeline arranged at the top of the first bottom key groove, and connecting the second bottom key groove with an L-shaped observation pipeline arranged at the top of the second bottom key groove; turning to a fourth step;
Fourthly, arranging a steel bar grouting sleeve at the lower part of the upper precast concrete vertical member at the vertical steel bar of the precast member, communicating the steel bar grouting sleeve with the horizontal joints of the upper precast member and the lower precast member, and then plugging the side joints of the horizontal joints of the upper precast member and the lower precast member; turning to a fifth step;
Step five, grouting materials sequentially enter a second bottom key groove, an upper prefabricated part horizontal joint, a lower prefabricated part horizontal joint and a first bottom key groove through an L-shaped grouting pipeline, then are discharged from a grouting outlet of the steel bar grouting sleeve under the action of pressure, and the grouting materials are discharged from the grouting outlet of the steel bar grouting sleeve and then plug the grouting outlet of the steel bar grouting sleeve; turning to a sixth step;
And step six, grouting materials continue to enter from the L-shaped grouting pipeline until the grouting materials are discharged from the grouting outlet of the L-shaped observation pipeline, the grouting outlet of the L-shaped observation pipeline is plugged, and finally the grouting outlet of the L-shaped grouting pipeline is plugged.
Further, the first bottom key groove and the second bottom key groove are arranged at the bottom end of the upper precast concrete vertical member, and the first bottom key groove and the second bottom key groove are concave.
Further, the L-shaped grouting pipeline comprises a vertical section and a horizontal section, the vertical section is connected with the second bottom key groove, the horizontal section extends to the side edge of the column, and the horizontal section is 200mm higher than the upper end grout outlet of the steel bar grouting sleeve.
Further, the L-shaped observation pipeline comprises a vertical section and a horizontal section, the vertical section is connected with the first bottom key groove, the horizontal section extends to the side edge of the column, and the horizontal section is 100mm higher than the upper end grout outlet of the steel bar grouting sleeve.
Further, the steel bar grouting sleeve comprises a vertical sleeve, wherein an upper slurry outlet and a lower slurry outlet are formed in the vertical sleeve, and the upper slurry outlet and the lower slurry outlet horizontally extend to the side edge of the column.
According to the invention, the horizontal section of the L-shaped observation pipeline is higher than the steel bar grouting sleeve, and the grouting material filling and plumping in the steel bar grouting sleeve can be judged when the grouting material is discharged from the grout outlet of the L-shaped observation pipeline; the horizontal section of the L-shaped grouting pipeline is higher than the steel bar grouting sleeve, and when a grouting opening of the L-shaped grouting pipeline is plugged, the grouting material in the steel bar grouting sleeve cannot leak outwards due to the leakage of the grouting material in the horizontal section of the L-shaped grouting pipeline; when the grouting material in the steel bar grouting sleeve is contracted to cause the shortage, the grouting material in the horizontal sections of the L-shaped grouting pipeline and the L-shaped observation pipeline can be compensated in time due to gravity, so that the compactness of the grouting material in the steel bar grouting sleeve is further ensured.
The grouting device has the advantages that grouting slurry is free from leakage during grouting, construction operation is simple and convenient, and quality requirements of grouting compactness of the precast concrete vertical member are met.
Drawings
Fig. 1 is a schematic view of a grouting channel structure according to the present invention.
In the figure: 1. the concrete vertical member comprises a first bottom key groove, a 2L-shaped grouting pipeline, a 3L-shaped observation pipeline, a 4. Upper and lower prefabricated member horizontal joints, a 5. Upper prefabricated concrete vertical member, a 6. Prefabricated member vertical reinforcing steel bar, a 7. Reinforcing steel bar grouting sleeve, a 8. Second bottom key groove and a 9. Lower prefabricated concrete vertical member.
Detailed Description
The technical scheme of the invention is described in detail below through the drawings, but the protection scope of the invention is not limited to the embodiments.
Example 1: a method for designing a grouting channel of a precast concrete vertical member, the structure of which is shown in fig. 1, comprises the following steps:
(1) The upper section precast concrete vertical member 5 and the lower section precast concrete vertical member 9 are prefabricated, the upper section precast concrete vertical member 5 and the lower section precast concrete vertical member 9 are connected through the precast member vertical reinforcing steel bars 6, the precast member vertical reinforcing steel bars 6 comprise upper section reinforcing steel bars and lower section reinforcing steel bars, the upper section reinforcing steel bars are arranged around the upper section precast concrete vertical member 5, the lower section reinforcing steel bars are arranged around the lower section precast concrete vertical member 9, and an upper precast concrete horizontal joint 4 is arranged at the joint of the upper section precast concrete vertical member 5 and the lower section precast concrete vertical member 9.
The first bottom key groove 1 and the second bottom key groove 8 are prefabricated in the upper prefabricated concrete vertical member 5, the L-shaped grouting pipeline 2 and the L-shaped observing pipeline 3 are pre-buried in the upper prefabricated concrete vertical member 5, the first bottom key groove 1 is communicated with the second bottom key groove 8, and the first bottom key groove 1 and the second bottom key groove 8 are communicated with the horizontal joint 4 of the upper prefabricated member and the lower prefabricated member. The first bottom key groove 1 and the second bottom key groove 8 are arranged at the bottom end of the upper precast concrete vertical member 5, and the first bottom key groove 1 and the second bottom key groove 8 are concave.
The first bottom key groove 1 is connected with the L-shaped grouting pipe 2 arranged at the top of the first bottom key groove, and the second bottom key groove 8 is connected with the L-shaped observation pipe 3 arranged at the top of the second bottom key groove. The L-shaped grouting pipe 2 comprises a vertical section and a horizontal section, the vertical section is connected with the second bottom key groove 8, the horizontal section extends to the side edge of the column, and the horizontal section is 200mm higher than the upper end grout outlet of the steel bar grouting sleeve 7. The L-shaped observation pipeline 3 comprises a vertical section and a horizontal section, wherein the vertical section is connected with the first bottom key groove 1, the horizontal section extends to the side edge of the column, and the horizontal section is 100mm higher than the upper end grout outlet of the steel bar grouting sleeve 7. The steel bar grouting sleeve 7 comprises a vertical sleeve, wherein an upper slurry outlet and a lower slurry outlet are formed in the vertical sleeve, and the upper slurry outlet and the lower slurry outlet horizontally extend to the side edge of the column.
A steel bar grouting sleeve 7 is arranged at the lower part of the upper precast concrete vertical member 5 and at the vertical steel bar 6 of the precast member, and the steel bar grouting sleeve 7 is communicated with the horizontal joint 4 of the upper precast member and the lower precast member.
(2) And hoisting the upper precast concrete vertical member 5, wherein the hoisting control of the height of the horizontal joint 4 of the upper precast member and the lower precast member is not less than 20mm. And sealing the side seams of the horizontal seams 4 of the upper and lower prefabricated parts. The steel bar grouting sleeve 7, the horizontal joint 4 of the upper prefabricated part and the lower prefabricated part, the first bottom key groove 1, the second bottom key groove 8, the L-shaped grouting pipe/2 and the L-shaped observation pipeline 3 are communicated.
(3) Grouting material sequentially enters the second bottom key groove 8, the upper prefabricated part horizontal joint 4, the lower prefabricated part horizontal joint 4 and the first bottom key groove 1 through the L-shaped grouting pipeline 2, is discharged from a grouting outlet of the steel bar grouting sleeve 7 under the action of pressure, and sequentially plugs a grouting outlet of the steel bar grouting sleeve 7 after being discharged from the grouting outlet of the steel bar grouting sleeve 7.
(4) Grouting material continues to enter from the L-shaped grouting pipeline 2 until the grouting material is discharged from the grouting outlet of the L-shaped observation pipeline 3, the grouting outlet of the L-shaped observation pipeline 3 is plugged, and finally the grouting outlet of the L-shaped grouting pipeline 2 is plugged.
(5) The horizontal sections of the L-shaped grouting pipeline 2 and the L-shaped observation pipeline 3 are higher than the grout outlet of the steel bar grouting sleeve 7, and when the grouting materials in the steel bar grouting sleeve 7 are deficient due to shrinkage, the grouting materials in the horizontal sections of the L-shaped grouting pipeline 2 and the L-shaped observation pipeline 3 can be compensated in time due to gravity, so that the compactness of the grouting materials in the steel bar grouting sleeve 7 is further ensured.
As described above, although the present invention has been shown and described with reference to certain preferred embodiments, it is not to be construed as limiting the invention itself. Various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (5)

1.一种预制混凝土竖向构件灌浆通道设计方法，其特征在于，包括以下步骤：1. A method for designing a grouting channel for a precast concrete vertical component, comprising the following steps: 第一步、预制上段预制混凝土竖向构件和下段预制混凝土竖向构件，并且所述上段预制混凝土竖向构件与下段预制混凝土竖向构件通过预制构件竖向钢筋相连，上段预制混凝土竖向构件与下段预制混凝土竖向构件的连接处具有上下预制构件水平接缝；转至第二步；The first step is to prefabricate an upper precast concrete vertical component and a lower precast concrete vertical component, wherein the upper precast concrete vertical component and the lower precast concrete vertical component are connected by precast component vertical steel bars, and the connection between the upper precast concrete vertical component and the lower precast concrete vertical component has an upper and lower precast component horizontal joint; go to the second step; 第二步、在上段预制混凝土竖向构件中预制第一底部键槽、第二底部键槽、L型灌浆管道和L型观察管道，所述第一底部键槽与第二底部键槽相连通，并且所述第一底部键槽与第二底部键槽均与上下预制构件水平接缝连通；转至第三步；Step 2: prefabricate a first bottom keyway, a second bottom keyway, an L-shaped grouting pipe and an L-shaped observation pipe in the upper prefabricated concrete vertical component, wherein the first bottom keyway is connected to the second bottom keyway, and both the first bottom keyway and the second bottom keyway are connected to the horizontal joints of the upper and lower prefabricated components; go to step 3; 第三步、将所述第一底部键槽与设置在其顶部的L型灌浆管道相连，所述第二底部键槽与设置在其顶部的L型观察管道相连；转至第四步；Step 3: Connect the first bottom keyway to the L-shaped grouting pipe disposed on the top thereof, and connect the second bottom keyway to the L-shaped observation pipe disposed on the top thereof; go to step 4; 第四步、在上段预制混凝土竖向构件的下部位于预制构件竖向钢筋处设置钢筋灌浆套筒，所述钢筋灌浆套筒与上下预制构件水平接缝连通，然后封堵上下预制构件水平接缝的边缝；转至第五步；Step 4: a steel bar grouting sleeve is arranged at the lower part of the upper precast concrete vertical component at the vertical steel bar of the precast component, the steel bar grouting sleeve is connected with the horizontal joints of the upper and lower precast components, and then the side seams of the horizontal joints of the upper and lower precast components are blocked; go to step 5; 第五步、灌浆料由L型灌浆管道依次进入第二底部键槽、上下预制构件水平接缝和第一底部键槽中，然后在压力作用下由钢筋灌浆套筒的出浆口排出，灌浆料从钢筋灌浆套筒的出浆口排出后封堵钢筋灌浆套筒的出浆口；转至第六步；Step 5: The grouting material enters the second bottom keyway, the horizontal joint of the upper and lower prefabricated components and the first bottom keyway in sequence through the L-shaped grouting pipe, and then is discharged from the grouting outlet of the steel bar grouting sleeve under pressure. After the grouting material is discharged from the grouting outlet of the steel bar grouting sleeve, the grouting outlet of the steel bar grouting sleeve is blocked; go to step 6; 第六步、灌浆料继续由L型灌浆管道进入，直至L型观察管道的出浆口有灌浆料排出，封堵L型观察管道的出浆口，最后封堵L型灌浆管道的灌浆口。Step 6. The grouting material continues to enter from the L-shaped grouting pipe until grouting material is discharged from the grouting outlet of the L-shaped observation pipe, the grouting outlet of the L-shaped observation pipe is blocked, and finally the grouting outlet of the L-shaped grouting pipe is blocked. 2.根据权利要求1所述一种预制混凝土竖向构件灌浆通道设计方法，其特征在于，所述第一底部键槽、第二底部键槽设置在上段预制混凝土竖向构件的底端，并且所述第一底部键槽、第二底部键槽呈内凹型。2. A method for designing a grouting channel for a precast concrete vertical component according to claim 1, characterized in that the first bottom keyway and the second bottom keyway are arranged at the bottom end of the upper precast concrete vertical component, and the first bottom keyway and the second bottom keyway are concave. 3.根据权利要求2所述一种预制混凝土竖向构件灌浆通道设计方法，其特征在于，所述L型灌浆管道包括竖向段和水平段，所述竖向段与第二底部键槽相连，所述水平段延伸至柱侧边，且所述水平段高于钢筋灌浆套筒的上端出浆口200mm。3. A method for designing a grouting channel for a precast concrete vertical component according to claim 2, characterized in that the L-shaped grouting pipe includes a vertical section and a horizontal section, the vertical section is connected to the second bottom keyway, the horizontal section extends to the side of the column, and the horizontal section is 200 mm higher than the upper end outlet of the steel bar grouting sleeve. 4.根据权利要求3所述一种预制混凝土竖向构件灌浆通道设计方法，其特征在于，所述L型观察管道包括竖向段和水平段，所述竖向段与第一底部键槽相连，所述水平段延伸至柱侧边，且所述水平段高于钢筋灌浆套筒的上端出浆口100mm。4. A method for designing a grouting channel for a precast concrete vertical component according to claim 3, characterized in that the L-shaped observation pipe includes a vertical section and a horizontal section, the vertical section is connected to the first bottom keyway, the horizontal section extends to the side of the column, and the horizontal section is 100 mm higher than the upper end outlet of the steel bar grouting sleeve. 5.根据权利要求4所述一种预制混凝土竖向构件灌浆通道设计方法，其特征在于，所述钢筋灌浆套筒包括竖直套筒，所述竖直套筒上具有上端出浆口和下端出浆口，所述上端出浆口、下端出浆口水平延伸至柱侧边。5. A method for designing a grouting channel for a precast concrete vertical component according to claim 4, characterized in that the steel bar grouting sleeve comprises a vertical sleeve, the vertical sleeve has an upper grouting outlet and a lower grouting outlet, and the upper grouting outlet and the lower grouting outlet extend horizontally to the side of the column.
CN201810630366.5A 2018-06-19 2018-06-19 A design method for grouting channel of precast concrete vertical components Active CN108625536B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810630366.5A CN108625536B (en) 2018-06-19 2018-06-19 A design method for grouting channel of precast concrete vertical components

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810630366.5A CN108625536B (en) 2018-06-19 2018-06-19 A design method for grouting channel of precast concrete vertical components

Publications (2)

Publication Number Publication Date
CN108625536A CN108625536A (en) 2018-10-09
CN108625536B true CN108625536B (en) 2024-05-14

Family

ID=63691917

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810630366.5A Active CN108625536B (en) 2018-06-19 2018-06-19 A design method for grouting channel of precast concrete vertical components

Country Status (1)

Country Link
CN (1) CN108625536B (en)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109676766A (en) * 2019-01-18 2019-04-26 广州远大住宅工业有限公司 A kind of prefabricated components and its connection method of being in the milk
CN109853862A (en) * 2019-03-06 2019-06-07 河北冀科工程项目管理有限公司 A kind of assembly prefabricated components series connection sleeve connection structure and grouting method
CN110331716B (en) * 2019-06-25 2021-06-04 浙江理工大学 Splicing structure of vertical splicing prefabricated piles and construction method of vertically splicing prefabricated piles
CN110409659B (en) * 2019-08-23 2024-04-02 长沙远大住宅工业集团股份有限公司 Prefabricated wallboard
CN111172991B (en) * 2019-11-11 2021-09-10 浙江省建筑设计研究院 Embedded steel bar sleeve type prefabricated underground continuous wall
CN111172993B (en) * 2019-11-11 2021-06-11 浙江省建筑设计研究院 Vertical steel bar embedded sleeve type prefabricated underground continuous wall for foundation pit
CN111172990B (en) * 2019-11-11 2021-09-10 浙江省建筑设计研究院 Vertical connection structure of sleeve-type prefabricated underground continuous wall of pre-buried front and back row reinforcing bar
CN110924438A (en) * 2019-12-06 2020-03-27 安徽建川市政工程有限公司 Prefabricated member of assembled rectangular inspection well
CN111593848A (en) * 2020-05-28 2020-08-28 中交四航局第一工程有限公司 Prefabricated concrete member dense sleeve series grouting system and method
CN112144877A (en) * 2020-10-13 2020-12-29 上海城建市政工程（集团）有限公司 Jig and working method for prefabricated structure to ensure fullness of vertical sleeve grouting
CN112324055B (en) * 2020-10-20 2022-03-11 山东省建筑科学研究院有限公司 A prefabricated vertical member and its sleeve grouting construction method
CN112267680B (en) * 2020-11-05 2021-11-30 山东省建筑科学研究院有限公司 Pouring system and method for prefabricated concrete structure
CN112922190B (en) * 2021-03-26 2022-04-19 福建省万林建设管理有限公司 Assembled wall body mounting structure
CN113187101A (en) * 2021-04-30 2021-07-30 广东省工业设备安装有限公司 Inverted-inserting type secondary grouting construction method for prefabricated column and cast-in-place concrete structure sleeve
CN115897905A (en) * 2022-11-10 2023-04-04 中建三局科创产业发展有限公司 Grouting structure and method of prefabricated column grouting sleeve

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010242418A (en) * 2009-04-08 2010-10-28 Takenaka Komuten Co Ltd Joint structure for reusing precast reinforced concrete member and dismantling construction method of joint structure
CN104314314A (en) * 2014-11-17 2015-01-28 中冶建筑研究总院有限公司 Grouting connection construction method
CN105908974A (en) * 2016-04-13 2016-08-31 江苏华江建设集团有限公司 Method of steel-bar sleeve grouting connection construction for vertical precast concrete component
CN108051480A (en) * 2017-12-29 2018-05-18 中冶建筑研究总院有限公司 A kind of grouting material plumpness detection method and device and grout sleeve

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010242418A (en) * 2009-04-08 2010-10-28 Takenaka Komuten Co Ltd Joint structure for reusing precast reinforced concrete member and dismantling construction method of joint structure
CN104314314A (en) * 2014-11-17 2015-01-28 中冶建筑研究总院有限公司 Grouting connection construction method
CN105908974A (en) * 2016-04-13 2016-08-31 江苏华江建设集团有限公司 Method of steel-bar sleeve grouting connection construction for vertical precast concrete component
CN108051480A (en) * 2017-12-29 2018-05-18 中冶建筑研究总院有限公司 A kind of grouting material plumpness detection method and device and grout sleeve

Also Published As

Publication number Publication date
CN108625536A (en) 2018-10-09

Similar Documents

Publication Publication Date Title
CN108625536B (en) A design method for grouting channel of precast concrete vertical components
CN204343312U (en) Plugging device of precipitation well in foundation pit
CN204876355U (en) Reinforcing bar grout sleeve seals external device
CN104947700B (en) A kind of sealing method of precipitation well
CN112324055B (en) A prefabricated vertical member and its sleeve grouting construction method
CN107355010A (en) Precast concrete shear wall shaped steel node connection structure
CN102839691B (en) Quick sealing method and device for sandless cement pipe deep well dewatering wellhead
CN109138904B (en) Double packer layered grouting water stop device and its use method
CN102392511A (en) Sleeve pressure type grouting construction method for steel reinforcement connection
CN103726586A (en) H-shaped steel and steel plate framework assembly shear wall with interfaces with grooves and manufacturing method
CN213952721U (en) Grouting sleeve for prefabricated building
CN104060590B (en) The reinforcement leakage preventing structure of a kind of pressure diversion tunnel and construction method thereof
CN209195349U (en) Twin packer delamination pour slurry antipriming
CN206784327U (en) A kind of stone masonry dam poor quality dam grouting reinforcing structure
CN114458013A (en) Supplementary irrigation device and supplementary irrigation method for assembled sleeve grouting
CN206752632U (en) Plastic-reinforced composite structure municipal drainage inspection well
CN109024640A (en) One kind closing water valve device, shut-in well structure and its construction method
CN204199324U (en) Connecting reinforcement cage i iron in construction of diaphragm wall
CN211312769U (en) A connecting member of plastic pipe and concrete prefabricated inspection well
CN204023527U (en) A kind of reinforcement leakage preventing structure of pressure diversion tunnel
CN105019653B (en) Prefabricated assembled concrete underflow pumping plant construction method
CN107700749A (en) The structure and assembly method of through ribbed prefabricated one-way slabs entirely
CN217758891U (en) Basement precipitation well shutoff waterproof decompression device
CN218091621U (en) Self-plugging quick grouting sleeve structure
CN110656662A (en) Deformation joint structure of integral underground pipe gallery and construction method

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant