CN108442698B - Deformation joint split bolt pvc sleeve plugging method and plugging fixing sleeve - Google Patents

Deformation joint split bolt pvc sleeve plugging method and plugging fixing sleeve Download PDF

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Publication number
CN108442698B
CN108442698B CN201810345068.1A CN201810345068A CN108442698B CN 108442698 B CN108442698 B CN 108442698B CN 201810345068 A CN201810345068 A CN 201810345068A CN 108442698 B CN108442698 B CN 108442698B
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China
Prior art keywords
plugging
fixing
deformation joint
vibrating
sleeve
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CN108442698A (en
Inventor
刘江
陈文娟
张国银
陈剑英
张艳
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MCC Tiangong Group Tianjin Corp Ltd
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MCC Tiangong Group Tianjin Corp Ltd
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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G17/00Connecting or other auxiliary members for forms, falsework structures, or shutterings
    • E04G17/005Strips for covering joints between form sections, e.g. to avoid burring or spilling of laitance
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/20Hydro energy

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Building Environments (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)

Abstract

The utility model provides a deformation joint split bolt pvc sleeve plugging method and a plugging fixing sleeve, wherein the plugging fixing sleeve comprises plugging flat steel and a fixing member; the fixing component comprises a fixing reinforcing steel bar and a clamping plate arranged at one end of the fixing reinforcing steel bar; the fixed steel bars comprise a plurality of steel bars which are connected side by side; the fixing member is used for fixing the plugging flat steel at the deformation joint; when the deformation joint split bolt pvc sleeve is plugged, plugging flat steel and a deformation joint flat steel fixing member which are convenient to mount and dismount are inserted into the deformation joint, so that the pvc sleeve hole of the wall body in the joint is plugged and fixed, and the splayed opening is formed on the other side of the wall body and combined with a reinforcing steel bar vibration compaction rod to plug materials.

Description

Deformation joint split bolt pvc sleeve plugging method and plugging fixing sleeve
Technical Field
The utility model belongs to the field of deformation joint construction, and particularly relates to a deformation joint split bolt pvc sleeve plug.
Background
The building often deforms under the action of external factors, resulting in cracking or even destruction. The deformation joint is a structural joint reserved for this case. The narrow deformation joint shear wall is difficult to disassemble, so that the deformation joint wall body is frequently subjected to a construction process of adopting a pvc sleeve for the split bolts in construction, the split bolts are convenient to disassemble, the formwork is convenient to disassemble, the hole of the pvc sleeve is difficult to fill, the phenomenon of incomplete filling often occurs, and the overall construction quality is influenced.
The Chinese patent with publication number CN106988436A provides a method for plugging reserved holes, which is used for plugging reserved holes on a floor slab and a platform plate of concrete, and comprises the following steps: s1: reserving reinforcing steel bars on the side walls of the reserved holes, wherein the reserved reinforcing steel bars extend out of the holes for a certain length; s2: manufacturing a precast slab for plugging the reserved holes, wherein the plane size of the precast slab is slightly smaller than the size of the reserved holes; s3: placing the precast slab at the bottom of the reserved hole, so that the bottom surface of the precast slab is flush with the bottom surface of the reserved hole; s4: installing a reinforcing steel bar in the reserved hole, and connecting the reinforcing steel bar with the reserved reinforcing steel bar; s5: filling gaps around the prefabricated plate and the reserved hole opening; s6: and pouring concrete at the rest positions of the reserved holes to block the holes. According to the method, the prefabricated plate is used as the bottom die to block the reserved holes without specially setting the bottom die, and the prefabricated plate is used as a part of the structure without dismantling. The method saves the procedures of erecting and dismantling the templates, improves the construction efficiency and reduces the construction cost. But the technical scheme is suitable for plugging reserved holes on concrete floors and platform boards, but is not suitable for plugging narrower pvc sleeve holes.
The Chinese patent publication No. CN203654485U provides a polyurethane foaming plugging structure for bolt holes of a shear wall, which comprises a caulking agent filled in the bolt holes of the shear wall, wherein the caulking agent consists of middle polyurethane foaming glue and leveling sealing mortar at two ends. And the surface of the leveling sealing mortar is kept flush with the wall surfaces on two sides of the shear wall. The leveling sealing mortar is dry and hard expansion cement mortar. And the filling length of each side of the leveling sealing mortar is 30-50 mm. The utility model solves the technical problems of easy leakage of the bolt hole left on the shear wall, high subsequent maintenance cost and high labor intensity of workers, effectively fills the bolt hole left on the shear wall, reduces the hidden trouble of water seepage of the bolt hole, improves the construction quality of bolt hole plugging, reduces the labor intensity of subsequent maintenance construction, reduces the maintenance cost and improves the inspection efficiency. However, the technical scheme does not solve the problem of incomplete filling of the filler.
Disclosure of Invention
The utility model aims to solve the problem of providing a deformation joint split bolt pvc sleeve plugging method, which is particularly suitable for plugging split bolt pvc sleeves of an overground narrow deformation joint shear wall, ensures that pvc holes are plugged compactly, and improves the construction quality of the shear wall.
In order to solve the technical problems, the technical scheme adopted by the utility model is that a plugging fixing sleeve for plugging a deformation joint split bolt pvc sleeve is characterized in that:
comprises a plugging flat steel and a fixing member;
the fixing component comprises a fixing reinforcing steel bar and a clamping plate arranged at one end of the fixing reinforcing steel bar;
the fixed steel bars comprise a plurality of steel bars which are connected side by side, and the number and the specification of the steel bars are set along with the size of the deformation joint, so that the fixed steel bars are convenient to adapt to different construction conditions;
the clamping plate is used for contacting with the top plate of the template to play a limiting role when the fixing device is installed;
the fixing member is used for fixing the plugging flat steel in the deformation joint.
Preferably, the plugging flat steel is formed by welding two flat steels into an L shape, one flat steel is parallel to the direction of the deformation joint and plays a role in plugging, and the other flat steel is perpendicular to the direction of the deformation joint and plays a role in limiting; the length of the flat steel is determined according to the thickness and the height of the wall body.
Preferably, the fixing member further comprises a hanging ring, the hanging ring is arranged at the tail end of the fixing steel bar, and the hanging ring is arranged, so that the fixing device can be conveniently and rapidly taken out when the die is removed.
The method for plugging the deformation joint split bolt pvc sleeve comprises the following steps of:
s1, placing the plugging flat steel close to a wall body into a deformation joint;
s2, vertically placing the fixing member into the deformation joint, and rotating the fixing member to fix and block the flat steel;
s3, expanding an end opening of the pvc sleeve on the inner side of the wall;
s4, filling filler from the enlarged opening, vibrating and compacting;
s5, trowelling the wall after the filler is hardened.
The specific steps of step S4 include:
s4.1, filling micro-expansion cement mortar in the opening, and vibrating and compacting to the bottom of the pvc sleeve by using a vibrating and compacting rod;
s4.2, filling foaming polyurethane in the opening, and vibrating and compacting the foaming polyurethane to the middle part of the pvc sleeve by using a vibrating and compacting rod;
s4.3, filling micro-expansion cement mortar into the opening, and vibrating and compacting by using a vibrating compacting rod.
The foaming polyurethane is adopted as the middle filling material, so that the waterproof performance and the sealing performance are improved.
Preferably, when the step S3 is executed, the end of the pvc casing on the inner side of the wall is trimmed to a splayed shape. The filling of the filler is convenient by enlarging the opening of the PVC sleeve.
Therefore, the utility model has the advantages and positive effects that:
1. easy material drawing, simple manufacture, realization of quick fixation and disassembly of the L-shaped plugging flat steel of the deformation joint through rotating the flat steel fixing member of the deformation joint in the construction process, and realization of multiple times of utilization.
2. The method is convenient to install and disassemble, ensures that the PVC sleeve holes are tightly plugged, and improves the construction quality of the narrow deformation joint shear wall.
3. The method has the advantages that the integrity of each device is good, and the phenomenon that sundry garbage remains in the deformation joint in the construction process is avoided.
Due to the adoption of the technical scheme, the PVC hole is guaranteed to be filled and blocked compactly, and the construction quality of the shear wall is improved.
Drawings
FIG. 1 is a schematic view of a fixing member according to an embodiment of the present utility model
FIG. 2 is a construction diagram of a method for plugging a PVC sleeve of a split joint split bolt according to an embodiment of the utility model
In the figure:
1. fixing reinforcing steel bar 2, clamping plate 3 and hanging ring
4. Fixing member 5, sealing flat steel 6 and shear wall
7. PVC sleeve 8, vibrating compaction stick
Detailed Description
The embodiment of the utility model provides a plugging and fixing sleeve for plugging a deformation joint split bolt pvc sleeve, which comprises the following components:
comprises a plugging flat steel 5 and a fixing member 4;
as shown in fig. 1, a schematic view of a fixing member according to an embodiment of the present utility model, the fixing member 4 includes a fixing bar 1, and a clamping plate 2 disposed at one end of the fixing bar 1;
the fixed steel bars 1 comprise a plurality of steel bars which are connected side by side, and the number and the specification of the steel bars are set along with the size of the deformation joint, so that the fixed steel bars are convenient to adapt to different construction conditions; in this embodiment, the fixed reinforcement 1 is formed by welding 2 reinforcements with diameters of 22mm and a reinforcement with diameters of 25mm in the middle.
The clamping plate 2 is used for contacting with the top plate of the template when the fixing device is installed, and plays a limiting role; in this embodiment, the detent plate 2 is a circular steel plate with a thickness of 8mm and a radius of 75 mm.
The fixing structure 4 is used for fixing the plugging flat steel 5 in the deformation joint.
In this embodiment, preferably, the fixing member 4 further includes a hanging ring 3, the hanging ring 3 is disposed at the tail end of the fixing steel bar 1, and by disposing the hanging ring 3, the fixing device is convenient to be quickly and conveniently taken out when the mold is removed; in this embodiment, the lifting ring 3 is formed by bending a reinforcing bar with a diameter of 8 mm.
As shown in FIG. 2, a construction diagram of a deformation joint split bolt pvc sleeve plugging method according to an embodiment of the present utility model is as follows:
in this embodiment, preferably, the plugging flat steel 5 is formed by welding two flat steels into an L shape, and one piece parallel to the direction of the deformation joint plays a role in plugging and the other piece perpendicular to the direction of the deformation joint plays a role in limiting; the length of the flat steel is determined according to the thickness and the height of the wall body. In this example, the flat steel has a thickness of 4mm.
In this embodiment, the vibrating compaction bar 8 is made of round steel, and the specification is determined according to the inner diameter of the pvc sleeve.
The embodiment of the utility model provides a deformation joint split bolt pvc sleeve plugging method, which comprises the following steps:
s1, placing the plugging flat steel close to a wall body into a deformation joint;
s2, vertically placing the fixing member into the deformation joint, and rotating the fixing member to fix and block the flat steel;
s3, expanding an end opening of the pvc sleeve on the inner side of the wall;
s4, filling filler from the enlarged opening, vibrating and compacting;
s5, trowelling the wall after the filler is hardened.
In this embodiment, preferably, the specific steps of step S4 include:
s4.1, filling micro-expansion cement mortar in the opening, and vibrating and compacting to the bottom of the pvc sleeve by using a vibrating and compacting rod;
s4.2, filling foaming polyurethane in the opening, and vibrating and compacting the foaming polyurethane to the middle part of the pvc sleeve by using a vibrating and compacting rod;
s4.3, filling micro-expansion cement mortar into the opening, and vibrating and compacting by using a vibrating compacting rod.
The foaming polyurethane is adopted as the middle filling material, so that the waterproof performance and the sealing performance are improved.
In this embodiment, preferably, when step S3 is performed, the end of the pvc casing on the inner side of the wall is trimmed to a splayed shape. The filling of the filler is convenient by enlarging the opening of the PVC sleeve.
The foregoing describes one embodiment of the present utility model in detail, but the description is only a preferred embodiment of the present utility model and should not be construed as limiting the scope of the utility model. All equivalent changes and modifications within the scope of the present utility model are intended to be covered by the present utility model.

Claims (1)

1. A plugging fixing sleeve and a plugging method for plugging a deformation joint split bolt pvc sleeve are characterized in that: comprises a plugging flat steel and a fixing member; the fixing component comprises a fixing reinforcing steel bar and a clamping plate arranged at one end of the fixing reinforcing steel bar; the fixed steel bars comprise a plurality of steel bars which are connected side by side; the fixing member is used for fixing the plugging flat steel in the deformation joint;
the fixing member further comprises a hanging ring, and the hanging ring is arranged at the tail end of the fixing reinforcing steel bar;
the plugging flat steel comprises two L-shaped welded flat steels;
the method comprises the following steps:
s1, placing the plugging flat steel close to a wall body into a deformation joint;
s2, vertically placing the fixing member into the deformation joint, and rotating the fixing member to fix and block the flat steel;
s3, expanding an end opening of the pvc sleeve on the inner side of the wall;
s4, filling filler from the enlarged opening, vibrating and compacting;
s5, trowelling the wall after the filler is hardened;
the specific steps of step S4 include:
s4.1, filling micro-expansion cement mortar in the opening, and vibrating and compacting to the bottom of the pvc sleeve by using a vibrating and compacting rod;
s4.2, filling foaming polyurethane in the opening, and vibrating and compacting the foaming polyurethane to the middle part of the pvc sleeve by using a vibrating and compacting rod;
s4.3, filling micro-expansion cement mortar in the opening, and vibrating and compacting by using a vibrating compacting rod;
and S3, picking the end part of the pvc sleeve on the inner side of the wall body into a splayed shape when the step is executed.
CN201810345068.1A 2018-04-17 2018-04-17 Deformation joint split bolt pvc sleeve plugging method and plugging fixing sleeve Active CN108442698B (en)

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Application Number Priority Date Filing Date Title
CN201810345068.1A CN108442698B (en) 2018-04-17 2018-04-17 Deformation joint split bolt pvc sleeve plugging method and plugging fixing sleeve

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Application Number Priority Date Filing Date Title
CN201810345068.1A CN108442698B (en) 2018-04-17 2018-04-17 Deformation joint split bolt pvc sleeve plugging method and plugging fixing sleeve

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CN108442698B true CN108442698B (en) 2024-03-26

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112031455B (en) * 2020-09-11 2022-04-01 中铁十六局集团有限公司 High-efficient plugging device of concrete outer wall through-wall bolt hole

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1521417A (en) * 1967-01-30 1968-04-19 Assembly of friable and plastic materials
CN103711205A (en) * 2014-01-13 2014-04-09 任斌向 Waterproof wall split bolt hole plugging structure and construction method thereof
CN203654485U (en) * 2013-12-18 2014-06-18 中建一局集团第五建筑有限公司 Polyurethane foam plugging structure for bolt hole of shear wall
CN103924693A (en) * 2014-04-29 2014-07-16 中铁四局集团第三建设有限公司 Ultrathin reinforced concrete pond groove deformation joint water stop structure and construction method thereof
CN104295088A (en) * 2014-09-29 2015-01-21 中国建筑第八工程局有限公司 Steel-wood combined formwork structure of shear walls on two sides of deformation joint and construction method of steel-wood combined formwork structure
CN106988436A (en) * 2017-03-28 2017-07-28 中国水利水电第十二工程局有限公司 A kind of method of reserving hole closure

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1521417A (en) * 1967-01-30 1968-04-19 Assembly of friable and plastic materials
CN203654485U (en) * 2013-12-18 2014-06-18 中建一局集团第五建筑有限公司 Polyurethane foam plugging structure for bolt hole of shear wall
CN103711205A (en) * 2014-01-13 2014-04-09 任斌向 Waterproof wall split bolt hole plugging structure and construction method thereof
CN103924693A (en) * 2014-04-29 2014-07-16 中铁四局集团第三建设有限公司 Ultrathin reinforced concrete pond groove deformation joint water stop structure and construction method thereof
CN104295088A (en) * 2014-09-29 2015-01-21 中国建筑第八工程局有限公司 Steel-wood combined formwork structure of shear walls on two sides of deformation joint and construction method of steel-wood combined formwork structure
CN106988436A (en) * 2017-03-28 2017-07-28 中国水利水电第十二工程局有限公司 A kind of method of reserving hole closure

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