CN109322483B - Reinforcing and supporting structure of shear wall external formwork - Google Patents
Reinforcing and supporting structure of shear wall external formwork Download PDFInfo
- Publication number
- CN109322483B CN109322483B CN201811284754.9A CN201811284754A CN109322483B CN 109322483 B CN109322483 B CN 109322483B CN 201811284754 A CN201811284754 A CN 201811284754A CN 109322483 B CN109322483 B CN 109322483B
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- China
- Prior art keywords
- supporting
- positioning plate
- steel bars
- shear wall
- template
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Classifications
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- 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
-
- 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
- E04G17/14—Bracing or strutting arrangements for formwalls; Devices for aligning forms
Abstract
The invention discloses a reinforcing and supporting structure of an outer template of a shear wall, which comprises an inner template (1) and an outer template (2) which are positioned at two sides of a bound and managed and accepted shear wall steel bar, an upper row of supporting steel bars (3) and a lower row of supporting steel bars (4) which are pre-implanted into the shear wall body, wherein the inner template (1) and the outer template (2) are connected and fixed into a whole through screw rods (5), and a first positioning plate (6) which is also used as an operation platform is fixed at the outer side surface of the upper row of supporting steel bars (3). The outer wall surface verticality adjusting device is simple in structure and convenient to use, and due to the fact that the outer formwork is supported by the inclined struts to a certain extent, the stability of the outer formwork is greatly improved, and the outer wall surface verticality adjusting device is different from a correcting mode of verticality adjusting through the screw pull rod, so that the formed outer wall surface verticality of a shear wall is better, especially the outer formwork is not prone to formwork sliding and formwork expanding, and the safety in the construction process is greatly improved.
Description
Technical Field
The invention relates to the technical field related to building construction formwork reinforcement, in particular to a reinforcing and supporting structure of a shear wall outer formwork.
Background
The shear wall is a wall body which bears horizontal load and vertical load gravity caused by wind load or earthquake action and prevents the structure from shearing and shearing damage, the shear wall is higher in height in daily construction, and in order to avoid the later crack phenomenon caused by repeated pouring, most shear walls are mostly formed by one-time pouring, so that the pressure on a template is higher, and the reinforcement requirement is higher, particularly, the shear wall structure of an outer wall is higher, because a smooth outer wall body does not have a fulcrum capable of providing a diagonal brace (according to the requirements of 'JGJ 130-2011 construction fastener type steel pipe scaffold safety technical specification', an outer scaffold is strictly forbidden to be used as the fulcrum of the template and is forbidden to be connected with any formwork), the shear wall structure can be fixed only in a mode of embedding bars and matching screw pull rods, the construction difficulty is high, the formwork is difficult to adjust, and only an inner support inclined pipe is arranged, once the container is overturned outwards, the container is often not treated, and great potential safety hazard exists
Disclosure of Invention
The invention aims to provide a reinforcing and supporting structure of a shear wall external template, which can effectively solve the problems in the background technology.
In order to solve the problems existing in the background technology, the shear wall comprises an inner template 1 and an outer template 2 which are positioned at two sides of a bonded and checked shear wall steel bar, and an upper row of supporting steel bars 3 and a lower row of supporting steel bars 4 which are pre-implanted into the shear wall body, wherein the inner template 1 and the outer template 2 are connected and fixed into a whole through a screw rod pull rod 5, a first positioning plate 6 which is also used as an operation platform is fixed at the outer side surface of the upper row of supporting steel bars 3, a second positioning plate 7 is fixed at the outer side surface of the lower row of supporting steel bars 4, a plurality of grooves 8 for placing a jack 9 are arranged at the upper top surface of the first positioning plate 6, the end of a piston shaft of the jack 9 is propped against the lower bottom surface of the outer template 2, a pin shaft 10 is arranged at the upper top surface of the first positioning plate 6, a plurality of lug seats 11 which are arranged at equal intervals are fixed on the pin shaft 10, the lower bottom surface of each ear seat 11 is welded and fixed on the first positioning plate 6, a limiting seat 12 which is rotatably connected and matched with the pin shaft 10 is arranged between every two adjacent ear seats 11, the end part of the limiting seat 12 is provided with an insertion hole 13 for inserting the inclined support device in a clearance way, and the support device is inserted into the insertion hole 13;
a back plate 14 which can be attached to the outer side surface of the shear wall is vertically welded between the first positioning plate 6 and the second positioning plate 7, an inclined supporting plate 15 is welded at the end part of the second positioning plate 7, and the end part of the inclined supporting plate 15 is welded and fixed in the middle of the first positioning plate 6;
a plurality of first positioning holes 61 for inserting the gaps of the upper rows of supporting steel bars 3 are formed inwards at the side edges of the first positioning plate 6, a first screw hole 62 communicated with the first positioning holes 61 is formed at the lower bottom surface of the first positioning plate 6, and a first bolt 63 capable of being screwed and matched with the first screw hole 62 is arranged in the first screw hole 62; when the first bolt 63 is completely screwed into the first screw hole 62, the end of the first bolt 63 is in close contact with the side surface of the upper row of support steel bars 3;
a plurality of second positioning holes 71 for inserting the lower rows of supporting steel bars 4 into the gaps are formed inwards at the side edges of the second positioning plate 7, a second screw hole 72 communicated with the second positioning holes 71 is formed at the lower bottom surface of the second positioning plate 7, and a second bolt 73 capable of being screwed and matched with the second screw hole 72 is arranged in the second screw hole 72; when the second bolt 73 is completely screwed into the second screw hole 72, the end of the second bolt 73 is in close contact with the side surface of the lower row of support reinforcement 4.
The supporting device comprises a first supporting pipe 16 which can be in clearance insertion fit with the jack 13, a nut 17 is arranged at the end part of the first supporting pipe 16, a screw rod 18 which is in spiral fit with the nut 17 is arranged in the nut 17, one end of the screw rod 18 is inserted into the first supporting pipe 16, the end part of one end, opposite to the first supporting pipe 16, of the screw rod 18 is in rotating connection fit with a second supporting pipe 19, and the second supporting pipe 19 is propped against the outer side surface of the outer formwork 2.
Due to the adoption of the technical scheme, the invention has the following beneficial effects: simple structure, convenient to use owing to given the certain bracing support of exterior sheathing, great improvement the stability of exterior sheathing, and be different from and carry out the proofreading mode of straightness regulation that hangs down through the screw rod pull rod for the outer wall face of shear force wall after the shaping hangs down straightness better, and especially the exterior sheathing is difficult for running the mould, rises the mould, great improvement the security in the work progress.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a perspective view of the first positioning plate and the second positioning plate of the present invention.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the technical scheme in the embodiment of the invention will be clearly and completely described below with reference to the attached drawings in the embodiment of the invention.
Example 1
Referring to fig. 1-2, it includes inner formworks 1 and outer formworks 2 located at both sides of the bound and checked shear wall steel bar and upper row of support steel bar 3 and lower row of support steel bar 4 which are pre-implanted into the shear wall, the inner formworks 1 and outer formworks 2 are connected and fixed into a whole by screw rods 5, a first positioning plate 6 which also serves as an operation platform is fixed at the outer side of the upper row of support steel bar 3, a second positioning plate 7 is fixed at the outer side of the lower row of support steel bar 4, a plurality of grooves 8 for placing jacks 9 are opened at the upper top of the first positioning plate 6, the piston shaft end of the jack 9 is pressed against the lower bottom of the outer formworks 2, a pin shaft 10 is arranged at the upper top of the first positioning plate 6, a plurality of lug seats 11 arranged at equal intervals are fixed on the pin shaft 10, the lower bottom of each lug seat 11 is welded and fixed on the first positioning plate 6, a limiting seat 12 which is rotatably connected and matched with the pin shaft 10 is arranged between every two adjacent ear seats 11, an insertion hole 13 for inserting the inclined strut device into a gap is formed in the end part of the limiting seat 12, and a support device is inserted into the insertion hole 13;
a back plate 14 which can be attached to the outer side surface of the shear wall is vertically welded between the first positioning plate 6 and the second positioning plate 7, an inclined supporting plate 15 is welded at the end part of the second positioning plate 7, and the end part of the inclined supporting plate 15 is welded and fixed in the middle of the first positioning plate 6;
a plurality of first positioning holes 61 for inserting the gaps of the upper rows of supporting steel bars 3 are formed inwards at the side edges of the first positioning plate 6, a first screw hole 62 communicated with the first positioning holes 61 is formed at the lower bottom surface of the first positioning plate 6, and a first bolt 63 capable of being screwed and matched with the first screw hole 62 is arranged in the first screw hole 62; when the first bolt 63 is completely screwed into the first screw hole 62, the end of the first bolt 63 is in close contact with the side surface of the upper row of support steel bars 3;
a plurality of second positioning holes 71 for inserting the lower rows of supporting steel bars 4 into the gaps are formed inwards at the side edges of the second positioning plate 7, a second screw hole 72 communicated with the second positioning holes 71 is formed at the lower bottom surface of the second positioning plate 7, and a second bolt 73 capable of being screwed and matched with the second screw hole 72 is arranged in the second screw hole 72; when the second bolt 73 is completely screwed into the second screw hole 72, the end of the second bolt 73 is in close contact with the side surface of the lower row of support reinforcement 4.
The supporting device comprises a first supporting pipe 16 which can be in clearance insertion fit with the jack 13, a nut 17 is arranged at the end part of the first supporting pipe 16, a screw rod 18 which is in spiral fit with the nut 17 is arranged in the nut 17, one end of the screw rod 18 is inserted into the first supporting pipe 16, the end part of one end, opposite to the first supporting pipe 16, of the screw rod 18 is in rotating connection fit with a second supporting pipe 19, and the second supporting pipe 19 is propped against the outer side surface of the outer formwork 2.
Example 2
Firstly, the first positioning plate 6 and the second positioning plate 7 are respectively butted with the upper row of supporting steel bars 3 and the lower row of supporting steel bars 4, then the first bolt 63 and the second bolt 73 are respectively screwed and locked, and the first positioning plate 6 can be used as an operating platform in the state;
then inserting the bottom of the hydraulic jack 9 into each corresponding groove 8, and adjusting the piston shaft end of the jack 9 to a uniform horizontal height;
then respectively hoisting the inner template 1 and the outer template 2 to specified positions, wherein the outer template 2 is directly placed on the piston shaft end of a jack 9, then the inner template 1 and the outer template 2 are primarily fixed by a screw pull rod 5, and the screw holes of the outer template 2 and the inner template 1 are aligned in the process, so that the height of the outer template 2 can be adjusted by the jack 9;
then, the calibration and reinforcement work can be carried out, when the external template 2 is supported, calibrated and reinforced, the first supporting tube 16 is firstly inserted into the limiting seat 12, then one end of the screw rod 18 is inserted into the first supporting tube 16, then the end part of the second supporting tube 19 is inserted into the rib edge of the external template 2, and finally the purpose of supporting and fixing the external template 2 is realized through the rotation of the rotary positioning nut 17.
In the embodiment, under the supporting force of the second supporting tube 19, although there is an outward axial thrust on the first positioning plate 6, the radial pressure applied to the upper row of supporting steel bars 3 and the lower row of supporting steel bars 4 by combining the first bolt 63 and the second bolt 73 can effectively prevent the first positioning plate 6 and the second positioning plate 7 from being pulled out;
since the supporting points of the first supporting tubes 16 are concentrated on the first positioning plate 6, when an outward axial thrust is applied to the first positioning plate 6, the back plate 14 combined with the second positioning plate 7 can effectively prevent the outward axial deformation and movement of the first positioning plate 6.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (1)
1. The utility model provides a reinforcing bearing structure of shear force wall exterior sheathing which characterized in that: the shear wall reinforcing steel bar fixing device comprises an inner template (1) and an outer template (2) which are positioned on two sides of a bonded shear wall reinforcing steel bar and subjected to supervision and acceptance, an upper row of supporting reinforcing steel bars (3) and a lower row of supporting reinforcing steel bars (4) which are pre-implanted into a shear wall body, wherein the inner template (1) and the outer template (2) are connected and fixed into a whole through a screw rod pull rod (5), a first positioning plate (6) which is also used as an operation platform is fixed on the outer side surface of the upper row of supporting reinforcing steel bars (3), a second positioning plate (7) is fixed on the outer side surface of the lower row of supporting reinforcing steel bars (4), a plurality of grooves (8) for placing jacks (9) are formed in the upper top surface of the first positioning plate (6), the ends of piston shafts of the jacks (9) are abutted against the lower bottom surface of the outer template (2), a pin shaft (10) is arranged on the upper top surface of the first positioning plate (6), a plurality of lug seats (11) which are arranged at equal intervals are fixed on the pin shaft (10), the lower bottom surface of each lug seat (11) is welded and fixed on the first positioning plate (6), a limiting seat (12) which is rotatably connected and matched with the pin shaft (10) is arranged between every two adjacent lug seats (11), an insertion hole (13) for inserting the inclined support device into the insertion hole is formed in the end part of the limiting seat (12), and a support device is inserted into the insertion hole (13);
a back plate (14) which can be attached to the outer side surface of the shear wall is vertically welded between the first positioning plate (6) and the second positioning plate (7), an inclined supporting plate (15) is welded at the end part of the second positioning plate (7), and the end part of the inclined supporting plate (15) is welded and fixed in the middle of the first positioning plate (6);
a plurality of first positioning holes (61) for inserting the upper rows of supporting steel bars (3) into the gaps are formed inwards in the side edge of the first positioning plate (6), a first screw hole (62) communicated with the first positioning holes (61) is formed in the lower bottom surface of the first positioning plate (6), and a first bolt (63) capable of being screwed and matched with the first screw hole (62) is arranged in the first screw hole; when the first bolt (63) is completely screwed into the first screw hole (62), the end part of the first bolt (63) is tightly contacted with the side surface of the upper row of supporting steel bars (3);
a plurality of second positioning holes (71) for inserting the lower rows of supporting steel bars (4) into the gaps are formed inwards at the side edges of the second positioning plate (7), a second screw hole (72) communicated with the second positioning holes (71) is formed in the lower bottom surface of the second positioning plate (7), and a second bolt (73) capable of being screwed and matched with the second screw hole (72) is arranged in the second screw hole; when the second bolt (73) is completely screwed into the second screw hole (72), the end part of the second bolt (73) is tightly contacted with the side surface of the lower row of supporting steel bars (4);
the supporting device comprises a first supporting pipe (16) which can be in clearance insertion fit with the jack (13), a nut (17) is arranged at the end of the first supporting pipe (16), a screw rod (18) in spiral fit with the nut (17) is arranged inside the nut (17), one end of the screw rod (18) is inserted into the first supporting pipe (16), the end of one end, opposite to the first supporting pipe (16), of the screw rod (18) is in rotating connection fit with a second supporting pipe (19), and the second supporting pipe (19) is propped against the outer side face of the outer template (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811284754.9A CN109322483B (en) | 2018-10-25 | 2018-10-25 | Reinforcing and supporting structure of shear wall external formwork |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811284754.9A CN109322483B (en) | 2018-10-25 | 2018-10-25 | Reinforcing and supporting structure of shear wall external formwork |
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| Publication Number | Publication Date |
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| CN109322483A CN109322483A (en) | 2019-02-12 |
| CN109322483B true CN109322483B (en) | 2021-11-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811284754.9A Active CN109322483B (en) | 2018-10-25 | 2018-10-25 | Reinforcing and supporting structure of shear wall external formwork |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110144818B (en) * | 2019-06-03 | 2021-01-08 | 倡创(上海)咨询管理事务所 | Construction method of cast-in-place concrete guardrail |
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| CN109322483A (en) | 2019-02-12 |
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