CN210976588U - Template reinforcing system for double shear walls at deformation joint - Google Patents
Template reinforcing system for double shear walls at deformation joint Download PDFInfo
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- CN210976588U CN210976588U CN201921746646.9U CN201921746646U CN210976588U CN 210976588 U CN210976588 U CN 210976588U CN 201921746646 U CN201921746646 U CN 201921746646U CN 210976588 U CN210976588 U CN 210976588U
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Abstract
The utility model discloses a template system of consolidating for double shear wall of movement joint department, including concatenation exterior sheathing and interior sheathing, template design fastener, one-way self-tightening is to pull rod spare and reinforcement member, and template design fastener is installed on the concatenation exterior sheathing, all installs secondary joist flitch and main joist steel pipe on concatenation exterior sheathing and the interior sheathing, is equipped with in the template and reserves the hole, is connected with the PVC poling pipe in the reservation hole that two templates are improved level and correspond, through the one-way self-tightening of installation in the PVC poling pipe to pull rod spare, it makes exterior sheathing and interior sheathing interact with reinforcement member and consolidates. The utility model discloses can be applicable to the construction that is greater than or equal to 100 mm's all movement joints (antidetonation seam, subsiding crack, expansion joint) locate double shear force wall, also can use when the outer facade of some structures does not have operating condition simultaneously, the construction is quick, nimble, easy dismounting has reduced construction cost, reduces unnecessary wasting of resources, the repeated repetitious usage of reinforcement system, and the shaping of concrete column body is effectual.
Description
Technical Field
The utility model belongs to the technical field of the construction, especially, relate to a template reinforcement system for movement joint department double shear wall.
Background
With the rapid development of science and technology, high-rise buildings and super high-rise buildings are widely applied to industrial and civil buildings, shear wall and frame shear wall structures are very commonly applied to high-rise structures, and deformation joints arranged between the shear walls are common in the high-rise buildings. The setting interval of movement joint (antidetonation seam, settlement joint, expansion joint) generally is 200 and supplyes 500mm, and the operating surface is narrow and small, leads to the construction degree of difficulty of movement joint structure very big.
When the formwork of the double-shear wall at the deformation joint is reinforced, the traditional construction method mainly comprises the steps that after the shear wall on one side is constructed firstly, the polystyrene board is often filled in the deformation joint of 500mm in the construction process of the shear wall on the other side, time and labor are wasted, the polystyrene board is easy to deform, the construction quality is not easy to control, the construction period is long, in addition, the polystyrene board cannot be disassembled or cannot be disassembled cleanly, the resource waste is caused invisibly, and the construction cost is increased.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a template system of consolidating that is used for movement joint department double shear force wall aims at solving the problem that prior art exists among the above-mentioned background art.
In order to achieve the above object, the utility model adopts the following technical scheme:
a template reinforcement system for a double-shear wall at a deformation joint comprises a splicing template, template shaping fasteners, a one-way self-tightening pair pull rod piece and a reinforcing steel bar reinforcing rod piece, wherein the splicing template comprises a splicing outer template and a splicing inner template, the splicing outer template is installed on one side of the shear wall to be poured at the deformation joint, the splicing inner template is installed on one side of the shear wall to be poured indoors, a secondary keel batten a and a main keel steel pipe a are arranged on the splicing outer template close to the deformation joint, a secondary keel batten b and a main keel steel pipe b are arranged on the splicing inner template close to the indoor side, reserved holes are formed in the splicing outer template between the two main keel steel pipes b, reserved holes are also formed in the splicing outer template horizontally corresponding to the reserved holes in the splicing inner template, and PVC through-wall pipes are connected in the reserved holes horizontally corresponding to the splicing outer template and the splicing inner; the template shaping fastener comprises a steel plate, a screw rod a, a steel pipe reinforcing clamp a and a fastening nut a, one end of the screw rod a is welded on the steel plate, the other end of the screw rod a penetrates through the spliced outer template and then is positioned between the two main keel steel pipes a, the steel plate is clamped on one side, to be cast, of the spliced outer template, the steel pipe reinforcing clamp a for fixing the main keel steel pipes a is arranged at the outer end of the screw rod a, and the steel pipe reinforcing clamp a is fixed through the fastening nut a; the reinforcing steel bar reinforcing rod piece comprises reinforcing steel bars; the one-way self-tightening opposite pull rod piece comprises a screw rod b, a ferrule, a steel pipe reinforcing clamp b and a fastening nut b, the ferrule is welded at one end of the screw rod b, reinforcing steel bars vertically penetrate into the ferrule, the steel pipe reinforcing clamp b for fixing the main keel steel pipe b is arranged at the other end of the screw rod b after penetrating out of the PVC wall penetrating pipe, and the steel pipe reinforcing clamp b is fixed through the fastening nut b.
Preferably, one end of the reinforcing steel bar is provided with a hook, and the hook is clamped on the main keel steel pipe a at the upper end of the splicing outer formwork.
Preferably, the ferrule is in a U-like shape, and two free ends of the U-like shape are welded to one end of the screw b.
Preferably, the two ends of the PVC wall penetrating pipe are flush with the two outer sides of the splicing outer formwork and the splicing inner formwork.
Preferably, the straight diameter of the PVC through-wall pipe is 50 mm.
Compare in prior art's shortcoming and not enough, the utility model discloses following beneficial effect has:
the utility model discloses reinforcement system structure of double shear force wall department movement joint is simple, the preparation is easy, easy dismounting, construction industrialization degree are high, convenient to use, construction concrete surface are smooth, shock-resistant, intensity is high, do not occupy construction machinery when assembling, can assemble the operation by 2-3 people, and the cost of labor reduces. The utility model discloses not only can shorten construction period, repeated repetitious usage reduces construction cost, and application scope is wider relatively moreover, can be applicable to the construction of all movement joint department both sides concrete structure of more than or equal to 100mm, uses the utility model discloses the concrete column body shaping that the reinforcement system was pour is effectual, reaches clear water concrete's requirement completely.
Drawings
Fig. 1 is a schematic structural diagram of a formwork reinforcing system for a double-shear wall at a deformation joint according to an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of the splicing template provided by the embodiment of the present invention.
Fig. 3 is a schematic structural view of a template sizing fastener provided by an embodiment of the present invention.
Fig. 4 is a schematic structural view of a one-way self-tightening counter-pull rod according to an embodiment of the present invention.
Fig. 5 is a schematic diagram of the application of the reinforcement system provided in the embodiment of the present invention.
In the figure: 1-splicing an outer template, 2-splicing an inner template, 3-secondary keel batten a, 4-secondary keel batten b, 5-main keel steel pipe a, 6-main keel steel pipe b, 7-steel plate, 8-screw rod a, 9-steel pipe reinforcing clamp a, 10-fastening nut a, 11-reinforcing steel bar, 12-screw rod b, 13-ferrule, 14-steel pipe reinforcing clamp b, 15-fastening nut b, 16-PVC wall penetrating pipe and 17-reserved hole.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example 1
Referring to fig. 1, the formwork reinforcing system for the double-shear wall at the deformation joint comprises a splicing formwork, a formwork shaping fastener, a one-way self-tightening pair pull rod piece and a reinforcing steel bar reinforcing rod piece.
The splicing template comprises a splicing outer template 1 arranged at one side of the shear wall to be cast at the deformation joint and a splicing inner template 2 arranged at one indoor side of the shear wall to be cast, a secondary keel batten a3 and a main keel steel pipe a5 are arranged on one side, close to the deformation joint, of the splicing outer template 1, a secondary keel batten b4 and a main keel steel pipe b6 are arranged on one side, close to the indoor side, of the splicing inner template 2, a reserved hole 17 (refer to figure 2) is arranged on the splicing outer template 2 between the two main keel steel pipes b6, the splicing outer template 1 horizontally corresponding to the reserved hole 17 in the splicing inner template 2 is also provided with the reserved hole 17, the reserved hole 17 horizontally corresponding to the splicing outer template 1 and the splicing inner template 2 is connected with a PVC (polyvinyl chloride) wall penetrating pipe 16, the diameter of the PVC wall penetrating pipe 16 is preferably 50mm, and the distance between the splicing outer template 1 and the splicing inner template 2 is preferably 450mm (namely the length of the PVC wall penetrating pipe 16 in the middle).
The template shaping fastener comprises a steel plate 7, a screw a8, a steel pipe reinforcing clip a9 and a fastening nut a10, and referring to fig. 3, the size of the steel plate 7 is 100mm x 100mm x 8mm, the screw a8 is a phi 14 screw, the length is preferably 200mm, one end of the screw a8 is welded on the steel plate 7, the other end of the screw a8 penetrates through the lateral expansion joint direction to be poured of the spliced outer template 1, the steel plate 7 is clamped on the side to be poured of the spliced outer template 1, the outer end of the screw a8 penetrates out and then is located between two main keel steel pipes a5, the outer end of the screw a8 is provided with a steel pipe reinforcing clip a9, the steel pipe reinforcing clip a9 is clamped on the outer side (namely, the side of the expansion joint of the main keel steel pipe a 5), and the steel.
The reinforcing bar reinforcing rod is processed by reinforcing steel bars 11 with the diameter phi of 20, and one end of the reinforcing bar reinforcing rod is bent into a hook shape, so that the steel bars are prevented from falling off when the formwork is reinforced.
The unidirectional self-tightening opposite pull rod piece comprises a screw rod b12, a ferrule 13, a steel pipe reinforcing clip b14 and a fastening nut b15, and referring to fig. 4, the ferrule 13 can be processed into a U-shaped component with the width of 230mm by adopting a steel bar with the diameter of phi 14, and two free ends of the U-shaped component are welded at one end of the screw rod b 12. The reinforcing steel bar 11 vertically penetrates into the ferrule 13 from top to bottom, the hook is clamped on a main keel steel tube a5 at the upper end of the splicing outer formwork 1, the other end of the screw b12 penetrates out of the PVC wall penetrating tube 16, a steel tube reinforcing clamp b14 is arranged on the screw b12 and used for fixing the reinforcing steel bar from the indoor side of the main keel steel tube b6, and the steel tube reinforcing clamp b14 is fixed through a fastening nut b 15.
Example 2
The utility model discloses used in the construction of Lanzhou new district Wenqqu lake garden residential district project 12# building, this project time of starting work: 2016.06.12, completion time: 2018.03.03, building area: 33772.12m2The application quantity is as follows: the engineering structure is a shear wall structure, the overall length of the engineering is 79.9m, a deformation joint with the width of 300mm is designed in the middle, and shear walls are arranged on two sides of the deformation joint. The length of the deformation joint is 5.85m, and the height of the deformation joint is 98.7 m.
The project construction method comprises the following steps:
first, form-setting fasteners, one-way self-tightening tie rods and rebar reinforcement bars were made as required in example 1.
Secondly, according to the height and the width of the deformation joint, high-quality mirror-surface wood-rubber plates are used for splicing the templates, the templates are effectively spliced, a spliced outer template 1 is manufactured, and special treatment needs to be carried out on the splicing joint in order to prevent the slurry leakage phenomenon between the splicing joints of the large template. The secondary keel batten a3 and the main keel steel tube a5 are nailed on the splicing outer template 1, 1 secondary keel batten is arranged at the splicing joint when the template and the secondary keel are nailed, and the secondary keel battens can be torn open and covered when being spliced. The lap joint of the template on the secondary keel batten is more than or equal to 30 mm. After the nailing is finished, a reserved hole 17 is formed in the spliced outer formwork 1 according to the positions of the secondary keel batten a3 and the main keel steel pipe a5 and used for placing the PVC through-wall pipe 16. And template shaping fasteners are arranged at intervals in the longitudinal direction with the reserved holes 17, and are fastened through steel pipe reinforcing clips a9 and fastening nuts a10, so that the adjustment and the reinforcement are in place. And manufacturing a spliced inner template 2, arranging a reserved hole 17 on the spliced inner template 2 according to the position of the reserved hole on the spliced outer template 1, and nailing a secondary keel batten b4 and a main keel steel pipe b6 on the spliced inner template 2, wherein the reserved hole 17 is positioned between two main keel steel pipes b 6.
Thirdly, after the reinforcement of the shear wall is bound, placing the concrete precast block, after the acceptance of a supervision engineer is reported, hoisting the spliced outer template 1 to the deformation joint to be poured by using a tower crane, wherein the lower opening gap of the spliced outer template 1 is adhered to the wall body below by using a double faced adhesive tape in advance, so that the lower opening of the spliced outer template 1 is tightly sealed with the wall body below, and the slurry leakage is prevented. Hoisting the splicing inner template 2 to the indoor side of the shear wall to be cast, wherein the lower opening gap of the splicing inner template 2 adopts 1: 3, the cement mortar is tightly blocked to prevent slurry leakage, and the mortar is not allowed to enter the wall body. The PVC through-wall pipe 16 is installed in the reserved hole 17 horizontally corresponding to the splicing outer formwork 1 and the splicing inner formwork 2 (the key is realized in this step, the completion of subsequent work is directly influenced), and the two ends of the PVC through-wall pipe 16 are flush with the two outer sides of the splicing outer formwork 1 and the splicing inner formwork 2. Then inserting the free end of the screw b12 from the outer side of the reserved hole 17 on the splicing outer template 1, and penetrating the free end through the PVC wall penetrating pipe 16 and between the two main keel steel pipes b6 of the splicing inner template 2; after a row of unidirectional self-tightening tie rods penetrate between the outer splicing formwork 1 and the inner splicing formwork 2, reinforcing steel bars 11 penetrate into the ferrules 13 of the longitudinal rows from top to bottom, and then the unidirectional self-tightening tie rods are fastened until the adjustment and the reinforcement are in place.
And finally, pouring concrete between the splicing outer formwork 1 and the splicing inner formwork 2, removing the formworks according to the sequence of firstly supporting and then removing after the concrete is solidified, removing the horizontal fasteners of the deformation joint shear wall formworks firstly, removing the deformation joint shear wall formwork close to one indoor side, and slightly prying the top of the shaping formwork by using a crowbar to gradually separate the formworks from the concrete. And (4) hoisting the shaping template out safely by using a tower crane, flatly placing the shaping template after hoisting out, maintaining in time, and coating a release agent. And repeating the steps to construct the shear wall on the other side of the deformation joint.
In the construction process, two sides of the deformation joint are divided into two single construction sections with flowing water respectively, the left side is a flowing water section, the construction of the flowing water section 1 is carried out after the normal construction of the two-side multi-layer plate split bolts to 2 layers is firstly carried out, namely after the concrete pouring of the layer 2 is finished, and the construction schematic diagram is shown in fig. 5. The right side is 2 flowing water sections and is constructed, so that the template dismantling difficulty can be reduced, and the working efficiency is improved from the surface. Before checking and accepting the perpendicularity of the deformation joint template, whether the section size of the deformation joint and the position of the deformation joint close to the indoor template are consistent with the positioning size (the size between the measuring template and the control line) or not is rechecked, if not, corresponding adjustment and calibration are needed, and after the adjustment, correction and rechecking of the perpendicularity of the deformation joint template are carried out until the rechecking specification requirement is met. The deformation joint shear wall concrete is poured in layers, the thickness of each layer is not more than 500mm, the height of the deformation joint shear wall is within 3m, and the deformation joint shear wall concrete can be directly poured on the wall top and is compacted through vibration; and when the height exceeds 3m, a string of cylinders is applied or a door opening is formed in the side face of the template, inclined chute is installed for subsection pouring and is vibrated to be compact, the height of each section is not more than 2m, and the door opening is sealed after each section is poured.
The utility model discloses during the construction, press high 3m, long 6 m's shear force wall considers, its work kind constitutes has: the specific number of carpenters, welders, general workers, etc. can be referred to in Table 1.
TABLE 1 labor organization situation Table
| Serial number | Work species | Work content | Labor force |
| 1 | Carpenter's work | Form mounting and dismounting | 2 |
| 2 | Electric welder | Processing of shaped components | 1 |
| 3 | General worker | Matched construction | 1 |
During construction, the allowable deviation of the formwork installation and the inspection method are as shown in table 2.
TABLE 2 tolerance to template installation and method of verification
In the construction process, the embedded parts, the reserved holes and the reserved holes fixed on the template are not missed and need to be firmly installed, and the deviation is specified by referring to a table 3.
TABLE 3 allowable positional deviation of embedment, prepared hole and prepared hole
Note: when checking the position of the center line, it should be measured along the longitudinal and transverse directions, and the larger value is selected.
The cost in the construction process of the project is counted and investigated, and compared with two traditional construction methods, the traditional method 1 is that after one side of the shear wall is constructed according to a normal process, the other side of the shear wall is constructed, and the benzene plate is filled in the deformation joint. The traditional method 2 is to add the polystyrene board into the deformation joint in advance and pour the shear walls on the two sides simultaneously. The cost is statistically analyzed at a layer height of 2.90m and a deformation joint length of 5.85m, and the results are shown in FIG. 4.
TABLE 4 traditional methods and the utility model of economic benefits in the project 12# building construction of residential community in Wenqu lake garden in Lanzhou New district
As can be seen from table 4, the utility model discloses construction method compares with traditional construction process, on the basis of reduction of erection time, has guaranteed safety, quality, can reduce noise and atmospheric pollution in the work progress, and to a great extent has reduced the consumption of materials such as polyphenyl board, has reduced the place building rubbish that the clearance polyphenyl board produced, has practiced thrift the construction power consumption, has gained good economic benefits and social.
The utility model discloses still demonstrate following advantage in the work progress:
(1) simple structure, easy manufacture, convenient disassembly and assembly, high construction industrialization degree and smooth construction concrete surface.
(2) Large covering area, less splicing, no leakage of concrete and good toughness. The composite material has the advantages of impact resistance, high strength and high surface strength, can be repeatedly used for many times, does not occupy any construction machinery during assembly, and can be assembled and operated by 1-2 persons.
(3) The concrete column body poured by the mould has good forming effect and completely meets the requirements of fair-faced concrete. Because the traditional construction process uses the flexible material as a concrete forming template, the flexible material is greatly deformed in the construction process, the design size, the protective layer thickness and the like of the concrete cannot be effectively controlled, and quality accidents such as inconsistent protective layer thickness, unsatisfied surface flatness requirements and even rib leakage and the like easily occur on one side of the flexible material. And the utility model discloses do not exist and use flexible material to act as the template, no matter be to the overall dimension of structure or reinforcing bar protective layer thickness can both obtain fine control.
(4) Construction progress is fast, the utility model provides a template and main joist's connecting piece, to the one-way self-tightening device of drawing the screw rod all are the weldment work who makes the material in advance according to the designing requirement before the major structure construction, only need during the construction with the connecting piece transport to the construction position, the on-the-spot equipment can. According to on-the-spot actual conditions, traditional technology later stage needs carry out the filling work of pre-buried steel pipe cutting and pre-buried hole, the clearance work of polyphenyl board, and the two is under the contrast of construction work volume and construction progress, the utility model discloses there is obvious advantage.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (5)
1. A template reinforcing system for a double-shear wall at a deformation joint is characterized by comprising a splicing template, template shaping fasteners, a one-way self-tightening counter-pull rod piece and a reinforcing rod piece, wherein the splicing template comprises a splicing outer template and a splicing inner template, the splicing outer template is installed on one side, to be poured, of the deformation joint, the splicing inner template is installed on one indoor side of the shear wall to be poured, a secondary keel batten a and a main keel steel pipe a are arranged on the splicing outer template and close to the deformation joint, a secondary keel batten b and a main keel steel pipe b are arranged on one indoor side of the splicing inner template, reserved holes are formed in the splicing outer template between the two main keel steel pipes b, reserved holes are also formed in the splicing outer template corresponding to the reserved holes in the splicing inner template horizontally, and PVC wall penetrating pipes are connected in the reserved holes in the splicing outer template and the splicing inner template horizontally corresponding to the reserved holes; the template shaping fastener comprises a steel plate, a screw rod a, a steel pipe reinforcing clamp a and a fastening nut a, one end of the screw rod a is welded on the steel plate, the other end of the screw rod a penetrates through the spliced outer template and then is positioned between the two main keel steel pipes a, the steel plate is clamped on one side, to be cast, of the spliced outer template, the steel pipe reinforcing clamp a for fixing the main keel steel pipes a is arranged at the outer end of the screw rod a, and the steel pipe reinforcing clamp a is fixed through the fastening nut a; the reinforcing steel bar reinforcing rod piece comprises reinforcing steel bars; the one-way self-tightening opposite pull rod piece comprises a screw rod b, a ferrule, a steel pipe reinforcing clamp b and a fastening nut b, the ferrule is welded at one end of the screw rod b, reinforcing steel bars vertically penetrate into the ferrule, the steel pipe reinforcing clamp b for fixing the main keel steel pipe b is arranged at the other end of the screw rod b after penetrating out of the PVC wall penetrating pipe, and the steel pipe reinforcing clamp b is fixed through the fastening nut b.
2. The formwork reinforcement system for a double shear wall at a deformation joint as claimed in claim 1, wherein one end of the reinforcing steel bar is provided with a hook, and the hook is clamped on the main keel steel pipe a at the upper end of the spliced outer formwork.
3. The formwork reinforcement system for a double shear wall at a deformation joint as claimed in claim 1, wherein the ferrule has a U-like shape, and both free ends of the U-like shape are welded to one end of the screw b.
4. The formwork reinforcement system for a dual shear wall at a deformation joint of claim 1, wherein both ends of the PVC wall penetrating pipe are flush with both outer sides of the spliced outer formwork and the spliced inner formwork.
5. The formwork reinforcement system for a dual shear wall at a deformation joint of claim 4, wherein the PVC wall penetrating pipe has a straight warp of 50 mm.
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| CN201921746646.9U CN210976588U (en) | 2019-10-17 | 2019-10-17 | Template reinforcing system for double shear walls at deformation joint |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110630011A (en) * | 2019-10-17 | 2019-12-31 | 甘肃第三建设集团公司 | Template reinforcing system for double shear walls at deformation joint and construction method thereof |
| CN112459129A (en) * | 2020-11-30 | 2021-03-09 | 中国一冶集团有限公司 | Expansion joint shaping mold device and construction method |
| CN115506581A (en) * | 2022-11-01 | 2022-12-23 | 民航机场建设工程有限公司 | Construction method of fastening system for rope-pull type building deformation joint cast-in-place wall formwork |
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2019
- 2019-10-17 CN CN201921746646.9U patent/CN210976588U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110630011A (en) * | 2019-10-17 | 2019-12-31 | 甘肃第三建设集团公司 | Template reinforcing system for double shear walls at deformation joint and construction method thereof |
| CN112459129A (en) * | 2020-11-30 | 2021-03-09 | 中国一冶集团有限公司 | Expansion joint shaping mold device and construction method |
| CN115506581A (en) * | 2022-11-01 | 2022-12-23 | 民航机场建设工程有限公司 | Construction method of fastening system for rope-pull type building deformation joint cast-in-place wall formwork |
| CN115506581B (en) * | 2022-11-01 | 2024-01-09 | 民航机场建设工程有限公司 | Construction method of rope-pulled type construction deformation joint cast-in-situ wall template fastening system |
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Address after: 730000 No. 486, Wudu Road, Chengguan District, Gansu, Lanzhou Patentee after: Gansu Third Construction Group Co., Ltd Address before: 730000 No. 486, Wudu Road, Chengguan District, Gansu, Lanzhou Patentee before: GANSU THIRD CONSTRUCTION Group Corp. |