CN114753630A - Cast-in-place side formwork reinforcing structure and method for top of prefabricated outer wall - Google Patents
Cast-in-place side formwork reinforcing structure and method for top of prefabricated outer wall Download PDFInfo
- Publication number
- CN114753630A CN114753630A CN202210350132.1A CN202210350132A CN114753630A CN 114753630 A CN114753630 A CN 114753630A CN 202210350132 A CN202210350132 A CN 202210350132A CN 114753630 A CN114753630 A CN 114753630A
- Authority
- CN
- China
- Prior art keywords
- cast
- screw rod
- nut
- place side
- wall
- 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.)
- Pending
Links
- 230000003014 reinforcing effect Effects 0.000 title claims abstract description 28
- 238000000034 method Methods 0.000 title claims abstract description 14
- 238000009415 formwork Methods 0.000 title claims description 33
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 6
- 239000010959 steel Substances 0.000 claims abstract description 6
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims 4
- 238000010168 coupling process Methods 0.000 claims 4
- 238000005859 coupling reaction Methods 0.000 claims 4
- 238000011065 in-situ storage Methods 0.000 abstract description 10
- 229910000838 Al alloy Inorganic materials 0.000 description 4
- 230000002787 reinforcement Effects 0.000 description 4
- 238000005266 casting Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
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
- E04G17/00—Connecting or other auxiliary members for forms, falsework structures, or shutterings
- E04G17/16—Members, e.g. consoles, for attachment to the wall to support girders, beams, or the like carrying forms or moulds for floors, lintels, or transoms
-
- 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
- E04G11/00—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
- E04G11/06—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for walls, e.g. curved end panels for wall shutterings; filler elements for wall shutterings; shutterings for vertical ducts
- E04G11/08—Forms, which are completely dismantled after setting of the concrete and re-built for next pouring
- E04G11/085—End form panels for walls
-
- 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
- E04G17/00—Connecting or other auxiliary members for forms, falsework structures, or shutterings
-
- 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
- E04G17/00—Connecting or other auxiliary members for forms, falsework structures, or shutterings
- E04G17/06—Tying means; Spacers ; Devices for extracting or inserting wall ties
- E04G17/065—Tying means, the tensional elements of which are threaded to enable their fastening or tensioning
-
- 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
- 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
- E04G21/025—Buckets specially adapted for use with concrete
-
- 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
- E04G9/00—Forming or shuttering elements for general use
- E04G9/02—Forming boards or similar elements
- E04G9/06—Forming boards or similar elements the form surface being of metal
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
Abstract
The invention relates to a cast-in-situ side form reinforcing structure and method for the top of a prefabricated outer wall, wherein the reinforcing structure comprises a first screw rod, a second screw rod, a connecting nut and a lantern ring for sleeving extension steel bars of the prefabricated outer wall, the first end part of the first screw rod is fixed on the outer wall of the lantern ring, the second end part of the first screw rod is inserted into and screwed with the first end part of the connecting nut, the first end part of the second screw rod is inserted into and screwed with the second end part of the connecting nut, the second end part of the second screw rod penetrates through a cast-in-situ side form and is fastened through a fastening nut, and the second end of the connecting nut is abutted against the cast-in-situ side form. According to the invention, the cast-in-place side forms are fixed through the reinforcing structure consisting of the lantern ring, the first screw rod and the second screw rod, so that the technical problem that the side forms at the cast-in-place position on the top of the prefabricated exterior wall are not firmly fixed in the prior art is solved.
Description
Technical Field
The invention relates to the field of building construction, in particular to a cast-in-place side formwork reinforcing structure and method for the top of a prefabricated exterior wall.
Background
At present, in an assembly type building, a side form at a cast-in-place position at the top of a prefabricated outer wall generally adopts an aluminum alloy template, in order to ensure that the casting quality of concrete is excellent at one time, the aluminum alloy template is generally connected with aluminum alloy template systems at two ends through pins to complete reinforcement, but the middle position of the side form is not reinforced due to no reinforcing point, and the template is reinforced only by the pins at two ends to bear external force generated in the casting and vibrating processes of concrete, so that when the aluminum alloy template reinforcing system is used, a series of quality problems such as mold expansion, slurry leakage and the like of the cast-in-place position at the top of the prefabricated outer wall often occur in the casting and vibrating processes of concrete.
Disclosure of Invention
Aiming at the defects existing in the prior art, the invention provides a cast-in-place side form reinforcing structure and method for the top of a prefabricated exterior wall, and solves the technical problem that the side form at the cast-in-place position of the top of the prefabricated exterior wall is not firmly fixed in the prior art.
The invention discloses a cast-in-situ side formwork reinforcing structure for the top of a prefabricated outer wall, which comprises a first screw, a second screw, a connecting nut and a lantern ring for sleeving extension steel bars of the prefabricated outer wall, wherein the first end of the first screw is fixed on the outer wall of the lantern ring, the second end of the first screw is inserted into and screwed with the first end of the connecting nut, the first end of the second screw is inserted into and screwed with the second end of the connecting nut, the second end of the second screw penetrates through the cast-in-situ side formwork and is fastened through a fastening nut, and the second end of the connecting nut is abutted against the cast-in-situ side formwork.
The cast-in-situ side formwork reinforcing structure for the top of the prefabricated outer wall is further improved in that the longitudinal section of the connecting nut is trapezoidal, the first end of the connecting nut is a small-diameter end, and the second end of the connecting nut is a large-diameter end.
The cast-in-situ side formwork reinforcing structure at the top of the prefabricated outer wall is further improved in that a gasket is sleeved on the second screw rod and is positioned between the cast-in-situ side formwork and the reinforcing nut. In a second aspect, the invention also provides a method for reinforcing the cast-in-place side forms at the tops of the prefabricated exterior walls, which comprises the following steps:
taking a lantern ring and a first screw rod, and fixing a first end of the first screw rod to the outer wall of the lantern ring;
sleeving the lantern ring on the prefabricated outer wall extension steel bar, and enabling the second end of the first screw to point to the cast-in-place side formwork;
taking a second screw rod and a connecting nut, inserting and screwing the second end part of the first screw rod into the first end part of the connecting nut, inserting and screwing the first end part of the second screw rod into the second end part of the connecting nut, penetrating the second end part of the second screw rod through a cast-in-place side formwork and fastening the second end part of the second screw rod through a fastening nut, and enabling the second end of the connecting nut to be abutted against the cast-in-place side formwork;
pouring concrete on the top of the prefabricated outer wall;
and loosening the fastening nut, and dismantling the second screw and the cast-in-place side formwork.
The cast-in-situ side formwork reinforcing structure for the top of the prefabricated external wall is further improved,
the longitudinal section of the connecting nut is trapezoidal, the first end of the connecting nut is a small-diameter end, and the second end of the connecting nut is a large-diameter end;
and after the second screw rod and the cast-in-place side formwork are removed, the connecting nut is taken out, and concrete is filled in the taken-out bell mouth.
Compared with the prior art, the invention has positive and obvious effect. According to the cast-in-place side formwork fixing structure, the cast-in-place side formwork is fixed through the reinforcing structure consisting of the lantern ring, the first screw and the second screw, and the technical problem that the side formwork at the cast-in-place position of the top of the prefabricated outer wall is not firmly fixed in the prior art is solved. The reinforced structure enables the cast-in-place side formwork to bear the external force effect generated in the concrete pouring and vibrating process, thereby not only ensuring the concrete pouring quality, but also avoiding the concrete repair in the later period, and achieving the purposes of quality improvement and efficiency improvement.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic view of the installation position of a cast-in-place side form.
FIG. 2 is a schematic structural view of a cast-in-place side form reinforcing structure at the top of a prefabricated exterior wall.
FIG. 3 is a schematic view of the using state of the cast-in-place side form reinforcing structure for the top of the prefabricated exterior wall.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
As shown in fig. 1 to 3, the present invention provides a cast-in-place side form reinforcing structure for the top of a prefabricated exterior wall 1, including a first screw 7, a second screw 8, a connecting nut 9 and a collar 6 for sleeving an extension bar 3 of the prefabricated exterior wall 1, wherein a first end of the first screw 7 is fixed on the exterior wall of the collar 6, a second end of the first screw 7 is inserted and screwed into the first end of the connecting nut 9, a first end of the second screw 8 is inserted and screwed into the second end of the connecting nut 9, a second end of the second screw 8 passes through the cast-in-place side form 2 and is fastened by a fastening nut 10, and a second end of the connecting nut 9 abuts against the cast-in-place side form 2. In this embodiment, the collar 6 is made of a steel pipe 38mm in diameter and cut into a single body 5mm in width, and used as the collar 6. The first screw 7 and the second screw 8 are both made by cutting full-thread bolts. The lantern ring 6 and the first screw 7 which are cut and manufactured are connected into a whole in a welding mode and serve as an inner side reinforcing assembly of the side die 2 for standby, and batch manufacturing can be conducted according to the field situation. The connecting nut 9 is used for the first screw rod 7 and the second screw rod 8, so that the requirement of convenient disassembly is met, and the damage of the demolition to a concrete finished product at a cast-in-place position at the top of the prefabricated exterior wall 1 is reduced.
Preferably, the longitudinal section of the connection nut 9 is trapezoidal, the connection nut 9 may be circular truncated cone-shaped or polygonal truncated cone-shaped, the first end of the connection nut 9 is a small-diameter end, the small-diameter end of the connection nut 9 is close to the lantern ring 6, the second end of the connection nut 9 is a large-diameter end, and the large-diameter end of the connection nut 9 is close to the cast-in-place side form 2, so that after the connection nut 9 is removed, a groove with a horn mouth is formed in cast-in-place concrete, and the groove can be conveniently plugged by concrete.
Preferably, as shown in fig. 2, a gasket 11 is sleeved on the second screw 8 and between the cast-in-place side form and the reinforcement nut, so as to prevent the cast-in-place side form 2 from being damaged when the fastening nut 10 is tightened, and further prevent the concrete from leaking out of the opening.
On the other hand, the invention also provides a method for reinforcing the cast-in-place side forms at the top of the prefabricated exterior wall 1, which comprises the following steps:
taking a lantern ring 6 and a first screw 7, and fixing a first end of the first screw 7 to the outer wall of the lantern ring 6;
sleeving the lantern ring 6 on the extension steel bar 3 of the prefabricated exterior wall 1, and enabling the second end of the first screw 7 to point to the cast-in-place side formwork 2;
taking a second screw 8 and a connecting nut 9, inserting and screwing the second end part of the first screw 7 into the first end part of the connecting nut 9, inserting and screwing the first end part of the second screw 8 into the second end part of the connecting nut 9, penetrating the second end part of the second screw 8 through the cast-in-place side form 2 and fastening through a fastening nut 10, and enabling the second end of the connecting nut 9 to be abutted against the cast-in-place side form 2;
pouring concrete on the top of the prefabricated outer wall 1;
and loosening the fastening nut 10, and removing the second screw 8 and the cast-in-place side form.
Further, the longitudinal section of the connecting nut 9 is trapezoidal, the first end of the connecting nut 9 is a small-diameter end, and the second end of the connecting nut 9 is a large-diameter end; after the second screw rod 8 and the cast-in-place side formwork are dismantled, the connecting nut 9 is taken out, the connecting nut 9 can be loosened by using tools, then the connecting nut 9 is screwed out, concrete is filled in the taken-out bell mouth, the shape of the bell mouth is more favorable for filling the concrete, and the concrete can be replaced by waterproof mortar. The connecting nut 9 can also be directly removed, and the screw hole of the connecting nut 9 can be directly plugged after the cast-in-place side form 2 is removed.
In this embodiment, the top of the prefabricated exterior wall 1 is overlapped with the laminated slab 5, and the overlapped joint is fixed by cast-in-place concrete. The interval of the split reinforcement structure is confirmed through BIM modeling before construction, the opening position of the side formwork 2 at the cast-in-place position for the second screw rod 8 to penetrate through is deepened, then the prefabricated outer wall 1 is hoisted and the laminated slab 5 is hoisted, then the cast-in-place side formwork 2 is installed, meanwhile, the reinforcement structure is installed, and then concrete pouring construction is carried out. The use of the reinforced structure avoids a series of quality problems of mold expansion, slurry leakage and the like at the cast-in-place part at the top of the prefabricated outer wall 1 in the concrete pouring and vibrating process.
According to the cast-in-place side formwork fixing structure, the cast-in-place side formwork is fixed through the reinforcing structure consisting of the lantern ring, the first screw and the second screw, and the technical problem that the side formwork at the cast-in-place position of the top of the prefabricated outer wall is not firmly fixed in the prior art is solved. The reinforced structure enables the cast-in-place side formwork to bear the external force effect generated in the concrete pouring and vibrating process, thereby not only ensuring the concrete pouring quality, but also avoiding the concrete repair in the later period, and achieving the purposes of quality improvement and efficiency improvement.
The parts not involved in the present invention are the same as or can be implemented by the prior art. Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (5)
1. The utility model provides a cast-in-place side forms reinforced structure in prefabricated outer wall top, its characterized in that includes first screw rod, second screw rod, coupling nut and is used for the cover to establish the lantern ring of prefabricated outer wall extension reinforcing bar, the first end of first screw rod is fixed in the outer wall of lantern ring, the second end of first screw rod insert and spiral shell connect in coupling nut's first end, the first end of second screw rod insert and spiral shell connect in coupling nut's second end, the second end of second screw rod passes cast-in-place side forms and fastens through fastening nut, coupling nut's second end supports and pushes up to cast-in-place side forms.
2. The cast-in-place side form reinforcing structure for the precast outer wall top according to claim 1, wherein the longitudinal section of the connection nut is trapezoidal, the first end of the connection nut is a small diameter end, and the second end of the connection nut is a large diameter end.
3. The cast-in-place side form reinforcing structure for the prefabricated exterior wall top according to claim 1, wherein a gasket is sleeved on the second screw rod and between the cast-in-place side form and the reinforcing nut.
4. A cast-in-place side form reinforcing method for the top of a prefabricated outer wall is characterized by comprising the following steps:
taking a lantern ring and a first screw rod, and fixing a first end of the first screw rod to the outer wall of the lantern ring;
sleeving the lantern ring on the prefabricated outer wall extension steel bar, and enabling the second end of the first screw to point to the cast-in-place side formwork;
taking a second screw rod and a connecting nut, inserting and screwing the second end part of the first screw rod into the first end part of the connecting nut, inserting and screwing the first end part of the second screw rod into the second end part of the connecting nut, penetrating the second end part of the second screw rod through a cast-in-place side formwork and fastening the second end part of the second screw rod through a fastening nut, and enabling the second end of the connecting nut to be abutted against the cast-in-place side formwork;
pouring concrete on the top of the prefabricated outer wall;
and loosening the fastening nut, and dismantling the second screw and the cast-in-place side formwork.
5. The method for reinforcing the cast-in-place side formwork at the top of the prefabricated outer wall according to claim 4, wherein the longitudinal section of the connecting nut is trapezoidal, the first end of the connecting nut is a small-diameter end, and the second end of the connecting nut is a large-diameter end;
and after the second screw rod and the cast-in-place side formwork are removed, the connecting nut is taken out, and concrete is filled in the taken-out bell mouth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210350132.1A CN114753630A (en) | 2022-04-02 | 2022-04-02 | Cast-in-place side formwork reinforcing structure and method for top of prefabricated outer wall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210350132.1A CN114753630A (en) | 2022-04-02 | 2022-04-02 | Cast-in-place side formwork reinforcing structure and method for top of prefabricated outer wall |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114753630A true CN114753630A (en) | 2022-07-15 |
Family
ID=82328560
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210350132.1A Pending CN114753630A (en) | 2022-04-02 | 2022-04-02 | Cast-in-place side formwork reinforcing structure and method for top of prefabricated outer wall |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114753630A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116657910A (en) * | 2023-06-16 | 2023-08-29 | 中国建筑第四工程局有限公司 | Formwork-free construction method for flat space structure top plate |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20100125652A (en) * | 2009-05-21 | 2010-12-01 | (주)건정 종합건축사사무소 | A mold for apartment |
| CN104895319A (en) * | 2015-05-11 | 2015-09-09 | 中国十七冶集团有限公司 | Cast-in-place concrete shear wall and frame column template installation elevation positioning device |
| CN205330156U (en) * | 2015-12-30 | 2016-06-22 | 大连三川建筑科技有限公司 | Cast -in -place template reinforcing apparatus at position is connected to assembly outer wall and cast -in -place interior wall T type |
| CN111519899A (en) * | 2020-04-15 | 2020-08-11 | 广西建工集团第五建筑工程有限责任公司 | Cast-in-place casting mold and casting body for prefabricated building and construction method thereof |
| CN111576857A (en) * | 2020-06-09 | 2020-08-25 | 广西宏丰建筑工程有限公司 | Top reinforcing assembly of PC (polycarbonate) component of outer wall of fabricated building and reinforcing method thereof |
| CN214006543U (en) * | 2020-11-25 | 2021-08-20 | 中建海峡建设发展有限公司 | Side wall, roof beam upper shed leak protection water and mould that rises reinforcement system |
-
2022
- 2022-04-02 CN CN202210350132.1A patent/CN114753630A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20100125652A (en) * | 2009-05-21 | 2010-12-01 | (주)건정 종합건축사사무소 | A mold for apartment |
| CN104895319A (en) * | 2015-05-11 | 2015-09-09 | 中国十七冶集团有限公司 | Cast-in-place concrete shear wall and frame column template installation elevation positioning device |
| CN205330156U (en) * | 2015-12-30 | 2016-06-22 | 大连三川建筑科技有限公司 | Cast -in -place template reinforcing apparatus at position is connected to assembly outer wall and cast -in -place interior wall T type |
| CN111519899A (en) * | 2020-04-15 | 2020-08-11 | 广西建工集团第五建筑工程有限责任公司 | Cast-in-place casting mold and casting body for prefabricated building and construction method thereof |
| CN111576857A (en) * | 2020-06-09 | 2020-08-25 | 广西宏丰建筑工程有限公司 | Top reinforcing assembly of PC (polycarbonate) component of outer wall of fabricated building and reinforcing method thereof |
| CN214006543U (en) * | 2020-11-25 | 2021-08-20 | 中建海峡建设发展有限公司 | Side wall, roof beam upper shed leak protection water and mould that rises reinforcement system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116657910A (en) * | 2023-06-16 | 2023-08-29 | 中国建筑第四工程局有限公司 | Formwork-free construction method for flat space structure top plate |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103422674A (en) | Cast-in-place section concrete construction method of assembling-type concrete structure | |
| CN107762139A (en) | Cast-in-place concrete haunch wall aluminium alloy chamfering formwork supporting adn fixing device and method | |
| CN114753630A (en) | Cast-in-place side formwork reinforcing structure and method for top of prefabricated outer wall | |
| CN104727552A (en) | Construction method for reserving water feed pipe grooves in prefabricated shear wall | |
| CN102359273A (en) | Method for reinforcing shear wall structure deformation joint template using fixing plate | |
| CN205875736U (en) | Sectional type shear force wall is to drawing sealing screw | |
| CN110107023B (en) | Rigid connection prefabricated frame beam for assembly type building | |
| CN106760523A (en) | Wall split bolt method to set up on the outside of the underground structure that can be reused | |
| CN109853953A (en) | Controllable wall pours the outer wall template split bolt of thickness and its peace tears method open | |
| CN106948599A (en) | A kind of split bolt and its application method | |
| CN106677529A (en) | Structure and construction method of reserved hole PVC sleeve mould | |
| CN201581640U (en) | Efficient waterproof opposite-pulling screw | |
| CN216617534U (en) | Tunnel concrete monolithic pouring support system | |
| CN214301761U (en) | Staple bolt-bolt hybrid node and foundation pit inner support structure | |
| CN214328887U (en) | Assembled foundation pit inner supporting structure convenient to disassemble | |
| CN212078667U (en) | Expansion joint shear wall combination template capable of being assembled and disassembled quickly | |
| CN112323811A (en) | Adjustable-length inner supporting structure of fabricated foundation pit and construction method of adjustable-length inner supporting structure | |
| CN112809891A (en) | Construction method of prefabricated wall board and used preformed hole tool | |
| CN112609982A (en) | Method for manufacturing wall with heat-insulation plate by adopting energy-saving bolt | |
| CN110965766A (en) | Template for construction of deformation joint of shear wall structure, construction structure and construction method | |
| CN211114825U (en) | Vertical pipeline reserved hole formwork device | |
| CN217500998U (en) | Pre-buried wall connecting piece | |
| CN217812435U (en) | Grout sleeve reinforcing bar installation positioner for steel bar connection | |
| CN212316990U (en) | Lining wall template structure in circular shaft of ultradeep | |
| CN220150900U (en) | Multistage formula stagnant water bolt consolidates multiple wall body construction structures |
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 |