CN114837442A - Fixing device for vertical reserved steel bars of hollow shear wall and construction method of fixing device - Google Patents
Fixing device for vertical reserved steel bars of hollow shear wall and construction method of fixing device Download PDFInfo
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- CN114837442A CN114837442A CN202210698523.2A CN202210698523A CN114837442A CN 114837442 A CN114837442 A CN 114837442A CN 202210698523 A CN202210698523 A CN 202210698523A CN 114837442 A CN114837442 A CN 114837442A
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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
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
- E04G21/16—Tools or apparatus
- E04G21/18—Adjusting tools; Templates
- E04G21/1841—Means for positioning building parts or elements
- E04G21/185—Means for positioning building parts or elements for anchoring elements or elements to be incorporated in the structure
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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
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/12—Mounting of reinforcing inserts; Prestressing
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/20—Design optimisation, verification or simulation
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
- E04B2/84—Walls made by casting, pouring, or tamping in situ
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- Structural Engineering (AREA)
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- Computer Hardware Design (AREA)
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- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
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Abstract
The invention relates to a fixing device for a vertical reserved steel bar of a hollow shear wall, which comprises two parallel telescopic rods and a plurality of sliding assemblies sliding on the two telescopic rods, wherein scale holes are uniformly formed in the upper sides of the telescopic rods, each sliding assembly comprises two cylinders, a connecting plate, a fastening piece and a fixing hole, the two cylinders are arranged at two ends of the connecting plate and are parallel to the connecting plate, the two cylinders respectively slide on the parallel telescopic rods, the fixing holes are formed in the connecting plate and are matched with the reserved steel bar, and the fastening piece is arranged on the outer sides of the two cylinders. The construction method comprises the following steps: determining a design model; modeling and simulating an experiment; actual field installation; and (6) checking and accepting on site. The fixing device disclosed by the invention can conveniently and accurately adjust the position of the sliding assembly on the telescopic rod, can quickly position the embedded joint bar, and can effectively control the problems of more vertical steel bars of the latticed hollow shear wall and poor effect.
Description
Technical Field
The invention relates to the technical field of building construction, in particular to a fixing device for a vertical reserved steel bar of a hollow shear wall and a construction method thereof.
Background
Shear walls (shear walls) are also called wind-resistant walls or earthquake-resistant walls, structural walls. The wall body mainly bears horizontal load and vertical load caused by wind load or earthquake action in the house or the structure. Preventing shear failure of the structure. It is divided into a plane shear wall and a cylinder shear wall. The plane shear wall is used in reinforced concrete frame structure, plate lifting structure and flat slab system. In order to increase the rigidity, strength and collapse resistance of the structure, the reinforced concrete shear wall can be cast in situ or prefabricated in some parts. The cast-in-place shear wall, the peripheral beams and the columns are simultaneously poured, and the integrity is good. The cylinder shear wall is used in high-rise buildings, high-rise structures and suspension structures and is formed by enclosing of partition walls of elevator rooms, staircases, equipment and auxiliary rooms, and the cylinder wall is a cast-in-place reinforced concrete wall body which has higher rigidity and strength and can bear larger horizontal load than a plane shear wall.
With the vigorous development of green buildings encouraged by the country, the assembly rate of various buildings is rapidly improved nowadays. The prefabricated latticed hollow shear wall system is used as a common system of a prefabricated part structure, and the structural quality of the system also influences the overall structural strength of a building.
The traditional shear wall is large in size of vertical reserved steel bars, the prefabricated latticed hollow shear wall is small in size of the reserved vertical steel bars, the positioning effect is low, and the phenomenon of serious waste of steel bar quantity is generated. The site constructor who carries out concrete placement process next step destroys prefabricated latticed hollow shear wall reservation vertical reinforcement location easily for prefabricated latticed hollow shear wall reservation vertical reinforcement off normal, structural system destroys, and structural strength reduces.
Disclosure of Invention
In order to solve the problems in the background art, the invention provides a fixing device for vertically reserved steel bars of a hollow shear wall and a construction method thereof.
The invention provides a fixing device for a vertical reserved steel bar of a hollow shear wall, which adopts the following technical scheme:
a fixing device for vertical reserved steel bars of a hollow shear wall comprises two parallel telescopic rods and a plurality of sliding assemblies sliding on the two telescopic rods, the upper side of the telescopic rod is uniformly provided with scale holes, the sliding component comprises two cylinders, a connecting plate, a fastener and a fixing hole, the two cylinders are arranged at the two ends of the connecting plate, and is parallel to the connecting plate, the two cylinders respectively slide on the telescopic rods which are parallel to each other, the fixing holes are arranged on the connecting plate and are matched with the reserved steel bars, the fasteners are arranged on the outer sides of the two cylinders, end part brackets are arranged at the two ends of the two telescopic rods, the end support is connected with the two telescopic rods in a sliding mode, fasteners are arranged on the outer side of the end support, and round holes matched with reserved steel bars at two ends are formed in the end support.
Through adopting the above-mentioned technical scheme, this fixing device adopts telescopic link and the mode that sliding component mutually supported, fix the reservation reinforcing bar, according to the position of a plurality of sliding component on the concrete position control telescopic link between the reservation reinforcing bar, make each reservation reinforcing bar run through and correspond the fixed orifices and fix a position, fix the position of sliding component through the fastener, and be provided with the scale hole on the telescopic link, can make things convenient for the accurate position of adjusting sliding component on the telescopic link, and easy operation, the suitability is strong, can fix a position pre-buried dowel steel position fast, can be effectual the vertical reinforcing bar off normal of control latticed hollow shear wall many, the poor problem of effect, possess quick turnover simultaneously, the strong characteristics of suitability, can practice thrift the input of measure reinforcing bar.
Preferably, the telescopic rod comprises a plurality of sections of steel pipes with mutually matched diameters, a steel ball spring is arranged at a scale hole at the rear end of each section of the steel pipe except the rear end of the steel pipe, and the steel ball springs are used for fixedly connecting the two adjacent sections of the steel pipes in a front-back sequence.
Through adopting above-mentioned technical scheme, the diameter of the preceding steel pipe of two adjacent steel pipes is less than the diameter of the next steel pipe, is provided with the steel ball spring in the first scale hole of preceding steel pipe and the next steel pipe junction, can insert the great steel pipe one end of diameter with the less steel pipe one end of diameter and stretch out and draw back after pressing down the steel ball spring, and the scale hole of the next steel pipe of steel ball in the suitable position department in the steel ball spring stretches out, fixes two adjacent steel pipes, simple structure, convenient operation.
Preferably, the fastener is a flat head hand screw.
Through adopting above-mentioned technical scheme, can fix the position of slip subassembly.
Preferably, the distance between two adjacent scale holes on the telescopic rod is 10 cm.
A construction method of a hollow shear wall vertical reserved steel bar fixing device comprises the following steps:
The method comprises the steps that a drawing of a main body vertical reserved steel bar is deeply designed, a sliding assembly and a telescopic rod are fixedly connected through a fastener, and a shear wall vertical steel bar positioning design model is determined;
BIM modeling is carried out on the design model through revit software, and a three-dimensional simulation experiment is carried out;
Installing a fixing device according to the shear wall vertical reserved steel bars handed over by site constructors, and performing concrete pouring in the next construction procedure after the installation is finished;
And after the concrete pouring is finished and the strength of the floor plane is sufficiently increased, carrying out on-site actual paying-off, picking and chiseling the vertical reserved steel bars of the shear wall after the paying-off is finished, taking down the fixing device after the picking and chiseling are finished, and comparing the position of the vertical reserved steel bars of the shear wall with the paying-off position.
By adopting the technical scheme, the space operation is changed into the ground operation, other risks of the on-site space welding operation are reduced, the quality of the vertical reserved steel bar positioning construction of the prefabricated latticed hollow shear wall is improved, the construction efficiency is improved, and manpower and material resources are saved.
Preferably, said step
The method specifically comprises the following steps: firstly, establishing a BIM model of a fixing device, and designing and modifying the size of the fixing device according to a required vertical reserved reinforcing bar node of a shear wall in a drawing; carrying out three-dimensional simulation experiments on the device and the vertically reserved steel bars of the shear wall, detecting whether the construction scheme is feasible or not through the simulation construction function of the model, finding out places with poor consideration in the scheme in advance, and adjusting and optimizing the construction steps in advance; the material was extracted according to the model.
Preferably, said step
The method specifically comprises the following steps: the method comprises the following steps that firstly, sliding assemblies are arranged on reserved steel bars at two ends along the vertical direction, cylinders in the sliding assemblies are in sliding connection with the reserved steel bars at the two ends and are fixed through fasteners, then, telescopic rods of fixing devices are fixed after being lengthened through mounting supports, the sliding assemblies are adjusted according to the position distance of the prefabricated latticed hollow shear wall vertical reserved steel bars on a drawing, the sliding assemblies are fixed through the fasteners after the completion of the fixing, and concrete pouring of the construction process is carried out on the mounting completion.
In summary, the invention has the following beneficial technical effects:
1. the fixing device is simple to operate and high in applicability, can quickly position the embedded joint bars, can effectively control the problems of more vertical steel bars of the latticed hollow shear wall and poor effect, has the characteristics of quick turnover and high applicability, and can save the investment of measure steel bars.
2. The successful application of the construction method provided by the invention creates a brand-new construction method for the construction of the similar prefabricated latticed hollow shear wall engineering, changes the space operation into the ground operation, reduces other risks of on-site space welding operation, improves the quality of the vertical reserved steel bar positioning construction of the prefabricated latticed hollow shear wall, improves the construction efficiency and saves manpower and material resources. The construction method can ensure that the construction of the project is completed according to time in various construction periods and three-dimensional crossing operation, fully reflects the demonstration effect of the green building development based on project entities, and has good social benefit.
3. The construction method of the invention saves the reinforcing steel bar material by optimizing the construction node, removes the construction mode of welding the ladder positioning bar, enables the positioning device to be finished in the processing area, has low noise in the manufacturing process and has no construction waste and pollution on site.
Drawings
FIG. 1 is a schematic structural view of a hollow shear wall vertical reserved steel bar fixing device in a use state;
FIG. 2 is a partially enlarged structural schematic view of one end of the fixing device for vertically reserved steel bars of a hollow shear wall according to the invention;
FIG. 3 is a schematic structural view of a fixing device for vertically reserved steel bars of a hollow shear wall according to the present invention;
FIG. 4 is a schematic structural view of a sliding assembly in the fixing device for vertically reserved steel bars of a hollow shear wall according to the present invention;
fig. 5 is a schematic structural view of a steel ball spring in the fixing device for vertically reserved steel bars of the hollow shear wall.
Wherein, 1, a telescopic rod; 2. a sliding assembly; 201. a cylinder; 202. a connecting plate; 203. a fastener; 204. a fixing hole; 3. a scale hole; 4. an end bracket; 5. a circular hole; 6. a steel ball spring; 7. a fixing member; 8. and reserving the steel bars.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The embodiment of the invention discloses a fixing device for a vertical reserved steel bar of a hollow shear wall and a construction method thereof.
Referring to fig. 1, including two telescopic links 1 that are parallel to each other and two gliding a plurality of slip subassemblies 2 on the telescopic link 1, the upside of telescopic link 1 evenly is provided with scale hole 3, two are adjacent on the telescopic link 1 distance between the scale hole 3 is 10cm, telescopic link 1 includes the steel pipe of the mutual adaptation of multistage diameter, except the rear end every section outside the steel pipe the rear end scale hole 3 department of steel pipe is provided with steel ball spring 6, steel ball spring 6 is used for with two sections adjacent fixed connection in proper order around the steel pipe.
Referring to fig. 4, the sliding assembly 2 includes two cylinders 201, a connecting plate 202, a fastening member 203 and a fixing hole 204, the two cylinders 201 are disposed at two ends of the connecting plate 202 and are parallel to the connecting plate 202, the two cylinders 201 respectively slide on the telescopic rods 1 parallel to each other, the fixing hole 204 is disposed on the connecting plate 202 and is adapted to the reserved steel bars 8, the fastening member 203 is disposed at the outer sides of the two cylinders 201, and the fastening member 203 is a flat-head hand screw. During the use, carry out shear force wall through the slip of sliding component 2 and reserve the reinforcing bar location, fix through flat head hand-twist screw, make the top of flat head hand-twist screw support telescopic link 1, fix telescopic link 1 and sliding component 2.
Referring to fig. 2 and 3, two ends of the two telescopic rods 1 are provided with end supports 4, the end supports 4 are slidably connected with the two telescopic rods 1, the outer sides of the end supports 4 are provided with fasteners 203, and the end supports 4 are provided with round holes 5 matched with the reserved steel bars 8 at the two ends. The end support 4 determines the position at two ends of the telescopic rod 1 according to the reserved steel bars 8 at two ends, then the fastener 203 is screwed down, the flat head hand screw is screwed down, the top of the fastener is abutted to the telescopic rod 1, and the telescopic rod 1 and the end support 4 are fixed.
Referring to fig. 5, the diameter of the previous steel pipe of two adjacent steel pipes is smaller than that of the next steel pipe, a steel ball spring 6 is arranged in the first scale hole 3 at the joint of the previous steel pipe and the next steel pipe, one end of the steel pipe with the smaller diameter can be inserted into one end of the steel pipe with the larger diameter to stretch after the steel ball spring 6 is pressed down, and the steel ball in the steel ball spring 6 extends out of the scale hole 3 of the next steel pipe at a proper position to fix the two adjacent steel pipes.
A construction method of a hollow shear wall vertical reserved steel bar fixing device comprises the following steps:
The method comprises the following steps of (1) fixedly connecting a sliding assembly 2 and a telescopic rod 1 through a fastener 203 by deepening the design of a main body vertical reserved steel bar drawing, and determining a shear wall vertical steel bar positioning design model; the method is characterized in that the original mode of positioning the welding ladder bars is deeply designed into an adjustable shear wall vertical reserved steel bar fixing device, a shear wall positioning system which needs to be welded on site originally is optimized into a unit component which can be processed on the back site, and the unit component is taken to an installation site for installation after ground preprocessing;
BIM modeling is carried out on the design model through revit software, and a three-dimensional simulation experiment is carried out; firstly, establishing a BIM model of a fixing device, and designing and modifying the size of the fixing device according to a required vertical reserved reinforcing bar node of a shear wall in a drawing; three-dimensional simulation experiments are carried out on the device and the vertically reserved steel bars of the shear wall, whether the construction scheme is feasible or not is detected through the simulation construction function of the model, the places with poor consideration in the scheme are found in advance, the construction steps are adjusted and optimized in advance, and the problem after construction is started is avoided; extracting materials according to the model, and reporting to a headman to approve after adjustment by technical personnel at the project department so as to provide a material plan;
The method comprises the steps that a fixing device is installed according to vertical reserved steel bars of a shear wall handed over by site constructors, fixing pieces 7 are arranged on the reserved steel bars 8 at two ends in the vertical direction to fix the fixing device in the vertical direction, each fixing piece 7 comprises two cylinders 201 connected with the reserved steel bars 8 in a sliding mode, connecting plates 202 connected with the two cylinders 201 and fasteners 203 on the outer sides of the cylinders 201, the cylinders 201 of the fixing pieces 7 and the reserved steel bars 8 are fixed through the fasteners 203, then an installing support stretches a telescopic rod 1 of the fixing device and fixes the telescopic rod through steel ball springs 6, sliding assemblies 2 are adjusted according to the position distance of the vertical reserved steel bars of the prefabricated latticed hollow shear wall on a drawing, the fixing is achieved through the fasteners 203, and concrete is poured in the next construction process after installation is achieved;
After the concrete pouring is completed and the strength of the floor plane is sufficiently increased, carrying out on-site actual paying-off and marking the actual space of the reserved steel bars 8; after paying off is finished, chiseling the vertical reserved steel bar 8 of the shear wall, and taking down the fixing device after chiseling is finished; and comparing the position of the vertical reserved steel bar 8 of the shear wall with the paying-off position.
The above are all preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Claims (7)
1. The utility model provides a vertical reservation reinforcing bar fixing device of hollow shear wall which characterized in that: the telescopic rod comprises two mutually parallel telescopic rods (1) and a plurality of sliding assemblies (2) sliding on the two telescopic rods (1), scale holes (3) are uniformly formed in the upper side of each telescopic rod (1), each sliding assembly (2) comprises two cylinders (201), a connecting plate (202), a fastening piece (203) and a fixing hole (204), the two cylinders (201) are arranged at two ends of the connecting plate (202) and are parallel to the connecting plate (202), the two cylinders (201) respectively slide on the mutually parallel telescopic rods (1), the fixing hole (204) is formed in the connecting plate (202), the fixing hole (204) is matched with a reserved steel bar, the fastening piece (203) is arranged on the outer sides of the two cylinders (201), end supports (4) are arranged at two ends of each telescopic rod (1), and the end supports (4) are connected with the two telescopic rods (1) in a sliding mode, the outside of tip support (4) is equipped with fastener (203), be provided with on tip support (4) with round hole (5) of the reservation reinforcing bar looks adaptation at both ends.
2. The hollow shear wall vertical reserved steel bar fixing device according to claim 1, characterized in that: the telescopic rod (1) comprises a plurality of sections of steel pipes with mutually matched diameters, a steel ball spring (6) is arranged at the position of a scale hole (3) at the rear end of each section of the steel pipe except the rear end, and the steel ball spring (6) is used for fixedly connecting the two adjacent sections of the steel pipes in sequence from front to back.
3. The hollow shear wall vertical reserved steel bar fixing device according to claim 1, characterized in that: the fastener (203) is a flat head hand-screwed screw.
4. The hollow shear wall vertical reserved steel bar fixing device according to claim 1, characterized in that: the distance between every two adjacent scale holes (3) on the telescopic rod (1) is 10 cm.
5. A construction method of a hollow shear wall vertical reserved steel bar fixing device according to any one of claims 1 to 4, characterized by comprising the following steps of: the method comprises the following steps:
The method comprises the steps that through deepening design of a main body vertical reserved steel bar drawing, a sliding assembly (2) and a telescopic rod (1) are fixedly connected through a fastener (203), and a shear wall vertical steel bar positioning design model is determined;
BIM modeling is carried out on the design model through revit software, and a three-dimensional simulation experiment is carried out;
Installing a fixing device according to the vertical reserved steel bars of the shear wall handed over by field constructors, and performing concrete pouring in the next construction procedure after the installation is finished;
And after the concrete pouring is finished and the strength of the floor plane is sufficiently increased, carrying out on-site actual paying-off, picking and chiseling the vertical reserved steel bars of the shear wall after the paying-off is finished, taking down the fixing device after the picking and chiseling are finished, and comparing the position of the vertical reserved steel bars of the shear wall with the paying-off position.
6. The construction method of the hollow shear wall vertical reserved steel bar fixing device according to claim 5, characterized in that: said step (c) is
The method specifically comprises the following steps: firstly, establishing a BIM model of a fixing device, and designing and modifying the size of the fixing device according to a required vertical reserved reinforcing bar node of a shear wall in a drawing; carrying out three-dimensional simulation experiments on the device and the vertically reserved steel bars of the shear wall, detecting whether the construction scheme is feasible or not through the simulation construction function of the model, finding out places with poor consideration in the scheme in advance, and adjusting and optimizing the construction steps in advance; the material was extracted according to the model.
7. The construction method of the hollow shear wall vertical reserved steel bar fixing device according to claim 5, characterized in that: said step (c) is
The method comprises the following specific steps: at first on the reinforcing bar is reserved at both ends along vertical direction setting sliding assembly (2), drum (201) in sliding assembly (2) and the reservation reinforcing bar sliding connection at both ends, fix through fastener (203), later, the installing support is fixed after lengthening fixing device's telescopic link (1), adjust sliding assembly (2) according to the vertical reservation reinforcing bar position distance of prefabricated latticed hollow shear wall on the drawing, it is fixed with fastener (203) after the completion, carry out construction process concrete placement on next step after the installation is accomplished.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210698523.2A CN114837442A (en) | 2022-06-20 | 2022-06-20 | Fixing device for vertical reserved steel bars of hollow shear wall and construction method of fixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210698523.2A CN114837442A (en) | 2022-06-20 | 2022-06-20 | Fixing device for vertical reserved steel bars of hollow shear wall and construction method of fixing device |
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| CN114837442A true CN114837442A (en) | 2022-08-02 |
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| CN214868365U (en) * | 2021-07-02 | 2021-11-26 | 龙新茂 | High-rise residential building shear wall vertical steel bar positioning tool |
| CN215594984U (en) * | 2021-04-01 | 2022-01-21 | 中建八局第一建设有限公司 | Assembled conversion layer reinforcing bar positioner |
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| CN203257105U (en) * | 2013-04-25 | 2013-10-30 | 云南建工第五建设有限公司 | Assembled type steel fixer |
| WO2016021811A1 (en) * | 2014-08-05 | 2016-02-11 | 이승우 | Prefabricated wall unit and frame |
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