CN111980258B - Method for installing reinforced expansion net cage - Google Patents
Method for installing reinforced expansion net cage Download PDFInfo
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- CN111980258B CN111980258B CN202010619332.3A CN202010619332A CN111980258B CN 111980258 B CN111980258 B CN 111980258B CN 202010619332 A CN202010619332 A CN 202010619332A CN 111980258 B CN111980258 B CN 111980258B
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- reinforcing
- net
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- hollow floor
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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
- E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
- E04B5/16—Load-carrying floor structures wholly or partly cast or similarly formed in situ
- E04B5/32—Floor structures wholly cast in situ with or without form units or reinforcements
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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
- E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
- E04B5/16—Load-carrying floor structures wholly or partly cast or similarly formed in situ
- E04B5/32—Floor structures wholly cast in situ with or without form units or reinforcements
- E04B5/326—Floor structures wholly cast in situ with or without form units or reinforcements with hollow filling elements
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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
- E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
- E04B5/48—Special adaptations of floors for incorporating ducts, e.g. for heating or ventilating
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Reinforcement Elements For Buildings (AREA)
Abstract
The invention provides an installation method of a ribbed expanded net cage, which comprises the following steps: manufacturing a corner reinforcing piece; binding a bottom reinforcing mesh of the cast-in-situ hollow floor after the cast-in-situ hollow floor formwork is erected; laying a box bottom reinforcing member on a bottom reinforcing mesh, uniformly placing a plurality of net boxes on the box bottom reinforcing member, arranging corner reinforcing members between adjacent net boxes, clamping each corner reinforcing member with corners of four net boxes simultaneously, adjusting the elevation of the net boxes through the corner reinforcing members, and binding the lower side surfaces of the net boxes and the box bottom reinforcing member together; and binding the upper reinforcing mesh, binding the upper reinforcing mesh and the upper end of the corner reinforcing part together, and pouring the hollow floor after the acceptance is qualified. Through setting up bight reinforcement and bottom of the case reinforcement, form multiple spot bearing structure, the cast-in-place hollow floor of control that can be better goes up the thickness of lower flange plate, through the horizontal displacement of control box that bight reinforcement can be effective in the work progress, improved construction quality.
Description
Technical Field
The invention relates to the technical field of building construction, in particular to a method for installing a ribbed expanded net cage.
Background
At present, in the installation and construction technology of the existing ribbed expanded net cage, Chinese patent, publication No.: CN109930725A discloses a steel net cage beamless hollow floor construction process, which mainly installs and reinforces a net cage through multi-ribbed beam frameworks on four sides of the net cage, and ties four corners of the box body with cross points of the multi-ribbed beams. In the construction process, the horizontal position of the box body is displaced along with the multi-ribbed beam, and the thicknesses of the upper flange plate and the lower flange plate cannot be guaranteed, so that the integral stress of the cast-in-place hollow floor system is influenced. Chinese patent, publication No.: CN 107724583A still discloses a hollow superstructure and construction method, and its technical scheme has solved box horizontal displacement better, can guarantee the thickness of box upper and lower flange plate, but all reinforcements need the mill design processing, increased the cost.
There is an urgent need for a method to solve the above problems.
Disclosure of Invention
In view of the above, the invention provides an installation method of a ribbed expanded net cage, and aims to solve the problems of improving the installation quality of the net cage and saving the construction cost.
In one aspect, the invention provides a method for installing a ribbed expanded net cage, which comprises the following steps:
manufacturing a corner reinforcing piece;
binding a bottom reinforcing mesh of the cast-in-situ hollow floor after the cast-in-situ hollow floor formwork is erected;
laying a box bottom reinforcing member on a bottom reinforcing mesh, uniformly placing a plurality of net boxes on the box bottom reinforcing member, arranging corner reinforcing members between adjacent net boxes, clamping each corner reinforcing member with corners of four net boxes simultaneously, adjusting the elevation of the net boxes through the corner reinforcing members, and binding the lower side surfaces of the net boxes and the box bottom reinforcing member together;
and binding the upper reinforcing mesh, binding the upper reinforcing mesh and the upper end of the corner reinforcing part together, and pouring the hollow floor after the acceptance is qualified.
Furthermore, bight reinforcement is a square frame construction, and it includes two L type supporting beam that set up side by side along vertical direction, and the middle part and two crossbeams of two L type supporting beam are connected, and the crossbeam is crossing perpendicularly with L type supporting beam along the horizontal direction, and keeps presetting the interval between two crossbeams to establish the box with a net card between two crossbeams.
Furthermore, the upper end of the L-shaped support beam is provided with a connecting beam along the horizontal direction, and the connecting beam is used for being connected with the upper reinforcing mesh.
Furthermore, after the cast-in-situ hollow floor slab template is erected, the elevation of the upper surface of the cast-in-situ hollow floor slab template is checked, and after the elevation of the upper surface of the cast-in-situ hollow floor slab template meets the design and standard requirements, the upper surface of the cast-in-situ hollow floor slab template is popped out of the plane position line of the net cage.
And furthermore, checking and accepting after the binding of the bottom reinforcing mesh of the cast-in-place hollow floor system is finished, and installing a reinforcing protective layer cushion block after the bottom reinforcing mesh meets the design and specification requirements.
Further, after the bottom reinforcing mesh is checked and accepted, the water and electricity line pipe box is installed, and the installed water and electricity line box is checked and accepted.
Furthermore, the reinforcing member at the bottom of the box is arranged in a cross way by reinforcing steel bars to form a net structure.
Further, when the net cage is installed, the cross point of the box bottom reinforcing member is aligned with the cross point of the plane position line of the net cage, and the midpoint of the lower side surface of the net cage is aligned with the cross point of the box bottom reinforcing member, so that the net cage is positioned.
Further, when the corner reinforcing piece is installed, a steel bar protection layer cushion block is arranged at the lower part of the corner reinforcing piece, and the installation height of the corner reinforcing piece is adjusted through the steel bar protection layer cushion block so as to adjust the installation position elevation of the net cage.
Further, the upper end of the corner reinforcing member is provided with a transverse tie bar in the horizontal direction, and the upper mesh reinforcement and the transverse tie bar are bound together so that the corner reinforcing member and the upper mesh reinforcement are connected together.
Compared with the prior art, the method has the advantages that the corner reinforcing member and the box bottom reinforcing member are arranged to form a multi-point supporting structure, the thickness of the upper flange plate and the lower flange plate of the cast-in-place hollow floor cover can be well controlled, the horizontal displacement of the box body in the construction process can be effectively controlled through the corner reinforcing member, the design requirements are fully met, and the construction quality is improved.
Meanwhile, the installation method disclosed by the invention is simple and rapid in construction, the corner reinforcing members and the net cage are synchronously installed, the installation position of the net cage is accurate, the transverse, flat and vertical installation of the net cage is realized, the surface is flat, and the construction quality is ensured.
Furthermore, the mounting method can fully utilize unavailable excess materials for welding and lengthening, the corner reinforcing member can be processed and welded by utilizing the excess materials and waste materials, the engineering cost is saved, and social resources are saved.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:
fig. 1 is a flow chart of a method for installing a ribbed expanded cage according to an embodiment of the present invention;
fig. 2 is a top view of an installation structure of the ribbed expanded mesh cage according to an embodiment of the invention;
FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2;
fig. 4 is a schematic structural diagram of a corner reinforcement according to an embodiment of the present invention.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art. It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
Referring to fig. 1, the embodiment provides an installation method of a ribbed expanded net cage, which includes the following steps:
step one, S101: manufacturing a corner reinforcing piece;
step two S102: binding a bottom reinforcing mesh of the cast-in-situ hollow floor after the cast-in-situ hollow floor formwork is erected;
step three, S103: laying a box bottom reinforcing member on a bottom reinforcing mesh, uniformly placing a plurality of net boxes on the box bottom reinforcing member, arranging corner reinforcing members between adjacent net boxes, clamping each corner reinforcing member with corners of four net boxes simultaneously, adjusting the elevation of the net boxes through the corner reinforcing members, and binding the lower side surfaces of the net boxes and the box bottom reinforcing member together;
step four S104: and binding the upper reinforcing mesh, binding the upper reinforcing mesh and the upper end of the corner reinforcing part together, and pouring the hollow floor after the acceptance is qualified.
Specifically, before this embodiment is implemented, a net cage for a cast-in-place hollow floor is first fabricated.
According to the method, the corner reinforcing member and the box bottom reinforcing member are arranged to form a multi-point supporting structure, the thickness of the upper flange plate and the lower flange plate of the cast-in-situ hollow floor can be well controlled, the horizontal displacement of the box body in the construction process can be effectively controlled through the corner reinforcing member, the design requirements are fully met, and the construction quality is improved.
As shown in fig. 2-4, the corner reinforcement 2 is a square frame structure, and includes two L-shaped support beams 21 arranged side by side in the vertical direction, the middle portions of the two L-shaped support beams 21 are connected to two cross beams 22, the cross beams 22 are perpendicular to the L-shaped support beams 21 in the horizontal direction, and a predetermined distance is maintained between the two cross beams 22, so as to clamp the net cage between the two cross beams 22. When the two L-shaped supporting beams 21 are arranged, the horizontal supporting legs of the two L-shaped supporting beams 21 face to opposite directions, the middle positions of the vertical beams of the two L-shaped supporting beams 21 are simultaneously connected with the two cross beams 22, the two cross beams 22 are arranged in parallel, and the vertical beams of the two L-shaped supporting beams 21 are connected with the two cross beams 22 to form a shape like a Chinese character 'jing'.
Specifically, the middle parts of the two cross beams 22 are connected with the middle parts of the vertical beams of the two L-shaped support beams 21, that is, the end parts of the two cross beams 22 are not connected with the vertical beams and keep a certain distance from the vertical beams, so that when a certain distance is kept between the two cross beams 22, the side parts of the net cage can be effectively clamped between the two cross beams 22.
Specifically, the distance between the two cross beams 22 is set according to the height of the net cage.
Specifically, the two corner reinforcements 2 may be connected to form an integral structure, which is effective in enhancing the structural stability.
Specifically, the upper end of the L-shaped support beam 21 is provided with a connection beam 23 in the horizontal direction, and the connection beam 23 is used for connecting with the upper mesh reinforcement. The tie-beam 23 is arranged in the horizontal direction and is capable of supporting the upper mesh reinforcement and connecting the tie-beam 23 and the upper mesh reinforcement together by means of lashing.
Particularly, when two crossbeams 22 are set up, can earlier carry out the ligature with the crossbeam 22 of downside and L type supporting beam 21, place the box with a net on the crossbeam 22 that is located the downside, then will be located the crossbeam 22 of upside and L type supporting beam 21 ligature together again to can establish the box with a net card effectively on bight reinforcement 2, promptly, establish the box with a net card between two crossbeams 22, still greatly improve the efficiency of construction. Meanwhile, after the cross beam 22 on the upper side is bound, the connecting beam 23 and the L-shaped supporting beam 21 are bound together, the construction sequence is convenient and fast, and meanwhile, the position of the net cage can be effectively adjusted.
Specifically, the cross beam 22 and the connecting beam 23 are preferably made of steel bars, and the L-shaped support beam 21 may be made by welding two steel bars or by bending one steel bar.
Specifically, after the cast-in-situ hollow floor slab formwork is erected, the elevation of the upper surface of the cast-in-situ hollow floor slab formwork is checked, and after the elevation of the upper surface of the cast-in-situ hollow floor slab formwork meets the design and specification requirements, the upper surface is popped out of the plane position line of the net cage 5.
Specifically, the bottom reinforcing mesh of the cast-in-place hollow floor is checked and accepted after being bound, and the reinforcing protective layer cushion block 4 is installed after the bottom reinforcing mesh meets the design and specification requirements.
Specifically, after the bottom mesh reinforcement is accepted, the hydroelectric line box is installed and the installed hydroelectric line box is accepted.
Specifically, the bottom reinforcement 1 is formed by criss-crossing reinforcing bars to form a net structure, i.e., a plurality of reinforcing bars are criss-crossed with each other to be connected together. The lower side of the box bottom reinforcing part 1 is provided with a supporting layer cushion block 3.
Specifically, when the net cage 5 is installed, the cross point of the box bottom reinforcement 1 is aligned with the cross point of the planar position line of the net cage 5, and the midpoint of the lower side surface of the net cage 5 is aligned with the cross point of the box bottom reinforcement 1, so that the net cage 5 is positioned.
Specifically, when installing corner reinforcement 2, set up reinforcing bar protective layer cushion 4 in its lower part, through reinforcing bar protective layer cushion 4 adjustment corner reinforcement 2's mounting height to adjust the mounted position elevation of box with a net 5.
Specifically, the upper end of the corner reinforcing member 2 is provided with a transverse tie bar in the horizontal direction, and the upper mesh reinforcement and the transverse tie bar are bound together so that the corner reinforcing member 2 and the upper mesh reinforcement are connected together.
It can be seen that the installation method of the embodiment is simple and rapid in construction, the corner reinforcing members and the net cage are installed synchronously, the installation position of the net cage is accurate, the transverse and vertical installation of the net cage is realized, the surface is flat, and the construction quality is ensured.
Furthermore, the mounting method of the embodiment can fully utilize unavailable excess materials for welding and lengthening, the corner reinforcing member can be processed and welded by utilizing the excess materials and waste materials, the engineering cost is saved, and social resources are saved.
In specific implementation, the method can be implemented according to the following steps:
1. and (5) manufacturing a net cage.
2. And processing the corner reinforcing member by using the waste material after the reinforcing steel bar is processed on site. The bight reinforcement comprises two L shaped steel bars and three short steel bars, two short branch of L shaped steel bar are reverse parallel arrangement respectively and regard as the strong point of bight reinforcement, the long length of L shaped steel bar subtracts the protective layer of two boards for hollow superstructure thickness, three short steel bars are respectively with two L shaped steel bar vertical welding, the upper surface elevation of lower part short steel bar is the lower surface elevation of box, the lower surface elevation of middle short steel bar is the upper surface elevation of box, the upper portion elevation of upper portion short steel bar is the bottom elevation of hollow superstructure upper portion reinforcing bar net.
3. After the cast-in-place hollow floor formwork is erected, the elevation of the upper surface of the formwork is checked, and after the elevation of the upper surface of the formwork meets the design and standard requirements, the plane position lines of all net cages are popped out.
4. And (3) binding a reinforcing steel bar net at the bottom of the hollow floor, checking and accepting the reinforcing steel bar net after the binding of the reinforcing steel bar net at the bottom is finished, and installing a reinforcing steel bar protective layer cushion block in time after the reinforcing steel bar net meets the design and standard requirements.
5. And after the bottom reinforcing mesh is checked and accepted, installing a water and electricity line pipe box, and checking and accepting the water and electricity line box.
6. After the water and electricity pipeline box is to be collected, a supporting cushion block of a box bottom reinforcing member is arranged at the center of the box body, and the box bottom reinforcing member is arranged on the supporting cushion block. The reinforcing member of the box bottom can be formed by welding or overlapping and binding excess steel bars with certain lengths, and the reinforcing member of the box bottom is arranged in a longitudinal and transverse through length mode.
7. And installing the box body, and accurately placing the box body on the box bottom reinforcing member according to the box body position line which is bounced on the template, and binding and fixing the box body with the box bottom reinforcing member. And installing corner reinforcing members, placing steel bar protective layer cushion blocks under the short supports of the corner reinforcing members, and controlling the box body at the designed elevation position through the corner reinforcing members. The upper corner and the lower corner of the box body are respectively firmly bound with the corner reinforcing piece.
8. And (4) binding the upper reinforcing mesh, and supporting the upper reinforcing mesh by the upper short reinforcing steel bars of the corner reinforcing piece.
9. And (6) concealed acceptance inspection.
It can be seen that in the installation method of the embodiment, the box bottom reinforcing member and the corner reinforcing member form multi-point support, the thickness of the upper flange plate and the lower flange plate of the cast-in-situ hollow floor is well controlled, the horizontal displacement of the box body in the construction process is well controlled through the corner reinforcing member, and the design requirements are fully met.
The installation method is simple and rapid, the corner reinforcing piece and the box body are installed synchronously, the position of the box body is accurate, the box body is horizontal, vertical and smooth in surface, and the construction quality is guaranteed.
The box bottom reinforcing member can be welded and lengthened by fully utilizing unavailable remainders, the corner reinforcing member can be machined and welded by utilizing the remainders and waste materials, the engineering cost is saved, and the social resources are saved.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (9)
1. A method for installing a ribbed expanded net cage is characterized by comprising the following steps:
manufacturing a corner reinforcing piece;
binding a bottom reinforcing mesh of the cast-in-situ hollow floor after the cast-in-situ hollow floor formwork is erected;
laying a box bottom reinforcing member on a bottom reinforcing mesh, uniformly placing a plurality of net boxes on the box bottom reinforcing member, arranging corner reinforcing members between adjacent net boxes, clamping each corner reinforcing member with corners of four net boxes simultaneously, adjusting the elevation of the net boxes through the corner reinforcing members, and binding the lower side surfaces of the net boxes and the box bottom reinforcing member together;
binding an upper reinforcing mesh, binding the upper reinforcing mesh and the upper end of the corner reinforcing member together, and pouring the hollow floor after acceptance inspection is qualified; wherein the content of the first and second substances,
the corner reinforcing part is of a square frame structure and comprises two L-shaped supporting beams which are arranged side by side along the vertical direction, the middle parts of the two L-shaped supporting beams are connected with two cross beams, the cross beams are vertically crossed with the L-shaped supporting beams along the horizontal direction, and a preset distance is kept between the two cross beams so as to clamp the net cage between the two cross beams.
2. A method of installing a reinforced expansion cage according to claim 1, wherein the upper ends of the L-shaped support beams are provided with coupling beams in a horizontal direction for coupling with the upper reinforcing mesh.
3. The method for installing the reinforced expansion net cage according to claim 1, wherein after the cast-in-place hollow floor slab formwork is erected, the elevation of the upper surface of the cast-in-place hollow floor slab formwork is checked, and after the elevation of the upper surface of the cast-in-place hollow floor slab formwork meets the design and specification requirements, the planar position line of the net cage is popped out.
4. The method for installing a reinforced expansion cage according to claim 1, wherein the bottom reinforcing mesh of the cast-in-place hollow floor is checked and accepted after being bound, and the reinforcing protective layer cushion block is installed after the bottom reinforcing mesh meets the design and specification requirements.
5. A method of installing a reinforced expandable net cage according to claim 4, wherein after acceptance of the bottom reinforcing mesh, the hydroelectric line box is installed and the installed hydroelectric line box is accepted.
6. A method for installing a reinforced expanding cage according to claim 3, wherein the reinforcing members of the bottom are arranged in a criss-cross pattern to form a net structure.
7. The method of installing a reinforced expandable net cage according to claim 6, wherein the net cage is installed by aligning the cross point of the bottom reinforcing member with the cross point of the planar position line of the net cage and aligning the midpoint of the lower side surface of the net cage with the cross point of the bottom reinforcing member to position the net cage.
8. The method for installing a reinforced expanding net cage according to claim 1, wherein when the corner reinforcing members are installed, the reinforcing bar protecting cushion blocks are provided at the lower portions thereof, and the installation height of the corner reinforcing members is adjusted by the reinforcing bar protecting cushion blocks to adjust the elevation of the installation position of the net cage.
9. The method for installing a reinforced expandable net cage according to claim 1, wherein the corner reinforcing members are provided at upper ends thereof with transverse tie bars in a horizontal direction, and the upper reinforcing nets are bound together with the transverse tie bars so that the corner reinforcing members and the upper reinforcing nets are connected together.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010619332.3A CN111980258B (en) | 2020-06-30 | 2020-06-30 | Method for installing reinforced expansion net cage |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010619332.3A CN111980258B (en) | 2020-06-30 | 2020-06-30 | Method for installing reinforced expansion net cage |
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| CN111980258A CN111980258A (en) | 2020-11-24 |
| CN111980258B true CN111980258B (en) | 2022-03-22 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101725201A (en) * | 2008-10-21 | 2010-06-09 | 韩忠民 | Method for constructing reinforced concrete cast-in-situ hollow floor plate cabinet inner module and construction cushion block |
| EP3282069A1 (en) * | 2016-08-08 | 2018-02-14 | T.P.S. S.R.L. | Weight reduction element for the construction industry |
| CN108222350A (en) * | 2017-12-28 | 2018-06-29 | 上海二十冶建设有限公司 | A kind of basement cast-in-situ hollow building roof steel mesh babinet construction technology |
| CN108867964A (en) * | 2018-06-14 | 2018-11-23 | 中国冶集团有限公司 | The thin-walled square chest that the closely knit construction method of cassette ceiling anti-floating and this method use |
| CN110965685A (en) * | 2019-11-26 | 2020-04-07 | 上海二十冶建设有限公司 | Construction method of prestressed thick plate hollow floor |
-
2020
- 2020-06-30 CN CN202010619332.3A patent/CN111980258B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101725201A (en) * | 2008-10-21 | 2010-06-09 | 韩忠民 | Method for constructing reinforced concrete cast-in-situ hollow floor plate cabinet inner module and construction cushion block |
| EP3282069A1 (en) * | 2016-08-08 | 2018-02-14 | T.P.S. S.R.L. | Weight reduction element for the construction industry |
| CN108222350A (en) * | 2017-12-28 | 2018-06-29 | 上海二十冶建设有限公司 | A kind of basement cast-in-situ hollow building roof steel mesh babinet construction technology |
| CN108867964A (en) * | 2018-06-14 | 2018-11-23 | 中国冶集团有限公司 | The thin-walled square chest that the closely knit construction method of cassette ceiling anti-floating and this method use |
| CN110965685A (en) * | 2019-11-26 | 2020-04-07 | 上海二十冶建设有限公司 | Construction method of prestressed thick plate hollow floor |
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