CN110552501A - High-space large-span steel reinforced concrete structure beam hanging formwork construction reinforcing structure and construction method thereof - Google Patents
High-space large-span steel reinforced concrete structure beam hanging formwork construction reinforcing structure and construction method thereof Download PDFInfo
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- CN110552501A CN110552501A CN201910816211.5A CN201910816211A CN110552501A CN 110552501 A CN110552501 A CN 110552501A CN 201910816211 A CN201910816211 A CN 201910816211A CN 110552501 A CN110552501 A CN 110552501A
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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
- E04G13/00—Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills
- E04G13/04—Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills for lintels, beams, or transoms to be encased separately; Special tying or clamping means therefor
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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
- E04G17/00—Connecting or other auxiliary members for forms, falsework structures, or shutterings
- E04G17/18—Devices for suspending or anchoring form elements to girders placed in ceilings, e.g. hangers
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- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention provides a high-space large-span steel reinforced concrete structure beam suspended formwork construction reinforcing structure and a construction method thereof, which are characterized in that: the reinforcing method comprises a prefabricated steel beam fixed on a construction site, a beam bottom die, beam side templates and wood beams, wherein the beam bottom die, the beam side templates and the wood beams are preliminarily installed in place, a plurality of hook-head screws are welded and suspended at the bottom of a flange plate below the prefabricated steel beam, an inner template in a gap between the wood beams on the template is penetrated at the bottom of the hook-head screws, a U-shaped spliced channel steel is fixedly suspended by utilizing longitudinally arranged steel pipes and fasteners, the beam bottom die is secondarily reinforced by utilizing transverse steel pipes built at the beam bottom of the steel-concrete structure, and the secondary reinforcement of the side template at two sides of the steel-concrete structure beam is realized by welding the counter-pulling screws at two ends of transverse original design tie bars in the structure, so that the purpose of reinforcing the beam bottom die and. The invention improves the construction quality of the high-space large-span steel concrete structure beam suspended formwork construction, reduces the engineering cost and ensures the safety of the construction operation.
Description
Technical Field
the invention belongs to the technical field of concrete structure construction reinforcement, and particularly relates to a high-space large-span steel reinforced concrete structure beam suspended formwork construction reinforcement structure and a construction method thereof.
Background
Along with the rapid development of cities, the high-space large-span steel reinforced concrete structure has the advantages of good fireproof performance, good local and overall stability of the structure, good structure anti-seismic performance and steel saving, is increasingly used in urban public buildings, but the structure is generally high in floor height, large in span and large in beam section size, a high formwork support system is required in the construction process, and the construction safety and difficulty are high.
the traditional steel reinforced concrete structure beam reinforcing construction technology has the problems of large workload, difficult operation, low construction efficiency, low safety factor, high engineering cost and the like in the vertical and horizontal reinforcing of the template. Therefore, it is necessary to improve the conventional method of the reinforcing construction technology of the steel reinforced concrete structural beam and carefully study the construction scheme to ensure the safe and smooth progress of the engineering.
disclosure of Invention
Aiming at the problems in the prior art, the technical scheme adopted by the invention for solving the problems in the prior art is as follows:
The utility model provides a high space large-span shaped steel concrete structure roof beam hangs mould construction reinforced structure which characterized in that: the reinforcing device comprises a prefabricated steel beam fixed on a construction site, a beam bottom die, beam side templates and wood beams, wherein the beam bottom die, the beam side templates and the wood beams are preliminarily installed in place, a plurality of hook-head screws are welded and suspended at the bottom of a flange plate below the prefabricated steel beam, an inner template in a gap between the wood beams on the template is penetrated through the bottom of the hook-head screws, a U-shaped splicing channel steel is fixedly suspended by utilizing longitudinally arranged steel pipes and fasteners, the U-shaped splicing channel steel is spliced into a U shape by adopting three channel steels and is firmly welded, every two U-shaped splicing channels are overlapped and welded together to form a U-shaped splicing double channel steel, the wood beams and the template system are reinforced by utilizing a plurality of U-shaped splicing double channel steels, the beam bottom die is secondarily reinforced by utilizing a transverse steel pipe built at the beam bottom of a steel concrete structure, the pulling screws are welded at two ends of a transverse original design pulling rib in the structure to secondarily reinforce the, the purpose of reinforcing the beam bottom die and the beam side die of the steel reinforced concrete structure is achieved.
The prefabricated shaped steel roof beam is H shaped steel, and H shaped steel has been pour fashioned shaped steel reinforced concrete frame post through both sides and has been fixed in the construction site, and prefabricated shaped steel roof beam top has had floor structural connection fixed through shear bolt nail and roof beam body upper end.
prefabricated shaped steel beam bottom plate both ends below symmetrical welding has a pair of eave tile screw rod, vertically is equipped with a plurality of pairs of eave tile screw rods along prefabricated shaped steel roof beam, and it is fixed with a "U" shape concatenation double flute steel after passing the template to each pair of eave tile screw rod bottom, and the gap between the "U" shape concatenation double flute steel is passed to eave tile screw rod bottom, utilizes vertical steel pipe, butterfly type fastener and double nut to lift fixedly to "U" shape concatenation double flute steel, and then utilizes "U" shape concatenation double flute steel to consolidate the template.
A triangular reinforcing rib plate 3 is welded between a lower flange plate and a steel beam web plate at the position of a hanging hook head screw at the bottom of the prefabricated section steel beam, and the bottom of the prefabricated section steel beam is reinforced.
prefabricated shaped steel roof beam periphery is equipped with the reinforcing bar net, and horizontal original design lacing wire both ends welding is to drawing the screw rod in the structure, passes through steel pipe, butterfly-shaped fastener and the double nut fastening of longitudinal arrangement behind the clearance between roof beam both sides side template and the two channel-section steels of both sides "U" shape concatenation respectively to drawing the screw rod outer end, carries out the side form and consolidates.
The construction method for the beam hanging formwork construction reinforcing structure of the high-space large-span steel concrete structure comprises the following steps of:
step 1, binding a reinforcing mesh on the periphery of a prefabricated steel beam, and preliminarily mounting a prefabricated steel beam bottom die, a beam side die plate and a wood beam in place;
Step 2, fixedly hanging U-shaped spliced double-channel steel at the end part of a screw rod of the suspension hook head by adopting a longitudinal steel pipe, a butterfly-shaped fastener and double nuts, reinforcing a wood purlin and a template system by the U-shaped spliced double-channel steel, and secondarily reinforcing a bottom die of the beam bottom by arranging a transverse steel pipe below the structure;
Step 3, utilizing the original design tie bars transversely arranged in the structure, and welding tie screws at the tail ends of the original design tie bars to secondarily reinforce the side die plates on the two sides of the beam;
and 4, pouring concrete materials into the reinforced steel reinforced concrete structural beam to complete the construction of the steel reinforced concrete frame beam.
The invention has the following advantages:
(1) The steel-reinforced section steel beam which is hoisted, installed, reinforced and formed is adopted to reinforce the beam bottom formwork of the high-space large-span section steel concrete structure through the hook screw welding suspension method, the complex section steel concrete structure beam bottom formwork reinforcing high formwork supporting system can be eliminated, the operation is simple, the construction efficiency is high, and the safety coefficient is high.
(2) The reinforcing vertical rods of the floor slabs on the two sides of the beam of the steel reinforced concrete structure are used for secondarily reinforcing the bottom die template of the beam of the steel reinforced concrete structure by adding the transverse steel tubes, so that the stress safety of the bottom die of the beam of the steel reinforced concrete structure can be improved.
(3) the side die of the high-space large-span steel concrete structural beam is reinforced by adopting U-shaped double channel steel which is assembled and welded into U-shaped channel steel, so that the measure counter-pulling screw rods which need to penetrate through a profile steel web and two side beam side die plates can be eliminated, the using amount of the counter-pulling screw rods is reduced, and the practical construction difficulties that the counter-pulling screw rods need to penetrate through the counter-pulling screw rods in the beam section and are intensive, a screw hole is small in hole opening and is difficult to cut on the side surface of the profile steel and two template holes on two sides of the beam, three-point one-line practical operation is difficult, the structural stress is influenced after the screw hole is cut on the profile steel, excessive; meanwhile, the double U-shaped channel steel combination is adopted for temporary reinforcement, so that the weight and the carrying difficulty of reinforcing by adopting a single U-shaped channel steel can be reduced, and the hole opening of the single channel steel can be prevented.
(4) The original design lacing wires in the beam of the section steel concrete structure are utilized to secondarily reinforce the die plates on the two sides of the beam of the section steel concrete structure through the welding screw rods, so that the stress safety of the dies on the two sides of the beam of the section steel concrete structure can be improved.
drawings
FIG. 1 is a schematic view of a reinforced vertical surface for the construction of a high-space large-span steel concrete structural beam suspension mold according to the present invention;
FIG. 2 is a schematic side elevation view of the construction and reinforcement of the high-space large-span steel reinforced concrete structural beam suspended formwork of the present invention;
FIG. 3 is a schematic sectional view of section 1-1 in FIG. 1;
in the figure: 1, U-shaped splicing double-channel steel, 2: hook screw, 3: triangular reinforcing rib plate, 4: butterfly fastener, 5: double nuts, 6: template, 7: wood purlin, 8: h-shaped steel, 9: a split screw, 10: a transverse steel pipe, 11: longitudinal steel pipe, 12: steel reinforced concrete frame beam, 13: concrete floor, 14: section steel web preformed hole, 15: shear stud, 16: reinforcing mesh, 17: the lacing wire is originally designed.
Detailed Description
The technical scheme of the invention is further specifically described by the following embodiments and the accompanying drawings, as shown in fig. 1-3, the beam suspended formwork construction reinforcing structure for the high-space large-span steel concrete structure beam comprises a prefabricated steel beam which is fixed on a construction site, and a beam bottom die, a beam side template 6 and a beam purlin 7 which are preliminarily installed in place, wherein a plurality of hook-head screws 2 are welded and suspended at the bottom of a lower flange plate of the prefabricated steel beam, the bottoms of the hook-head screws penetrate through an inner template in a gap between the beam side templates 7 on the template 6, a U-shaped spliced channel steel 1 is fixedly suspended by utilizing a longitudinally arranged steel pipe and a fastener, the U-shaped spliced channel steel is spliced into a U-shaped channel steel by adopting three channel steels and is welded firmly, every two U-shaped spliced channels are overlapped and welded together to form a U-shaped spliced channel steel 1, and a wood purlin and template system is reinforced by the U-shaped spliced channel steel 1, the transverse steel pipe 10 built at the beam bottom of the beam of the steel reinforced concrete structure is used for secondarily reinforcing the bottom die of the beam bottom, and the oppositely-pulling screw rods 9 are welded at the two ends of the transversely original designed pulling bar beam in the structure for secondarily reinforcing the side die plates 6 at the two sides of the beam of the steel reinforced concrete structure, so that the purpose of reinforcing the bottom die of the beam of the steel reinforced concrete structure and the side dies of the beam is achieved.
The prefabricated section steel beam is H-shaped steel 8, the H-shaped steel is fixed on a construction site through a section steel concrete frame beam 12 of which two sides are poured and formed, and the top of the prefabricated section steel beam is structurally connected and fixed with an existing concrete floor 13 at the upper end of a beam body through shear-resistant studs 15.
Prefabricated shaped steel beam bottom plate both ends below symmetrical welding has a pair of eave tile screw rod 2, vertically be equipped with a plurality of pairs of eave tile screw rod 2 along prefabricated shaped steel roof beam, it is fixed with a "U" shape concatenation double channel steel 1 after passing the template to each pair of eave tile screw rod bottom, the gap between "U" shape concatenation double channel steel 1 is passed to eave tile screw rod bottom, utilize vertical steel pipe 11, butterfly type fastener 4 and two nuts 5 lift fixedly to "U" shape concatenation double channel steel, and then utilize "U" shape concatenation double channel steel to consolidate the template.
A triangular reinforcing rib plate 3 is welded between a lower flange plate and a steel beam web plate at the position of a hanging hook head screw at the bottom of the prefabricated section steel beam, and the bottom of the prefabricated section steel beam is reinforced.
the prefabricated section steel beam periphery is equipped with reinforcing bar net 16, and horizontal original design lacing wire both ends welding is to drawing screw rod 9 in the structure, and the steel pipe, butterfly-shaped fastener and the double nut fastening through longitudinal arrangement behind the clearance between roof beam both sides side template and the two channel-section steel of both sides "U" concatenation are passed respectively to the screw rod outer end of drawing, carry out the side form and consolidate.
A construction method for a beam hanging formwork construction reinforcing structure of a high-space large-span steel reinforced concrete structure comprises the following steps:
step 1, binding a reinforcing mesh on the periphery of a prefabricated steel beam, and preliminarily mounting a prefabricated steel beam bottom die, a beam side die plate and a wood beam in place;
Step 2, fixedly suspending a U-shaped spliced double-channel steel 1 at the end part of a suspended hook head screw 2 by adopting a longitudinal steel pipe 11, a butterfly fastener 4 and a double nut 5, reinforcing a wood purlin and a template system by the U-shaped spliced double-channel steel 1, and simultaneously secondarily reinforcing a bottom die of the beam bottom by arranging a transverse steel pipe 10 below the structure;
Step 3, utilizing original design tie bars 17 transversely arranged in the structure, and welding tie screws 9 at the tail ends of the original design tie bars to secondarily reinforce the side die plates on the two sides of the beam;
And 4, pouring concrete materials into the reinforced steel reinforced concrete structural beam to complete the construction of the steel reinforced concrete frame beam.
the protective scope of the present invention is not limited to the above-described embodiments, and it is apparent that various modifications and variations can be made to the present invention by those skilled in the art without departing from the scope and spirit of the present invention. It is intended that the present invention cover the modifications and variations of this invention provided they come within the scope of the appended claims and their equivalents.
Claims (6)
1. the utility model provides a high space large-span shaped steel concrete structure roof beam hangs mould construction reinforced structure which characterized in that: the prefabricated beam comprises a prefabricated steel beam which is fixed on a construction site, a beam bottom die, a beam side die plate and a wood purlin which are preliminarily installed in place, a plurality of hook-head screws are welded and suspended at the bottom of a flange plate below the prefabricated steel beam, an inner die plate in a gap between the wood purlin on the die plate is penetrated at the bottom of the hook-head screws, a U-shaped splicing channel steel is fixedly suspended by utilizing a longitudinally arranged steel pipe and a fastener, the U-shaped splicing channel steel is spliced into a U shape by three channel steels and is firmly welded, every two U-shaped splicing channels are overlapped and welded together to form a U-shaped splicing double channel steel, reinforcing wood purlin and a template system by a plurality of U-shaped spliced double-channel steel, performing secondary reinforcement on a beam bottom die by utilizing a transverse steel pipe built at the beam bottom of the beam with the steel reinforced concrete structure, and (3) welding opposite-pulling screw rods at two ends of a transverse originally designed tie bar in the structure to secondarily reinforce the side formwork at two sides of the structural beam of the steel reinforced concrete.
2. The high-space large-span steel reinforced concrete structure beam formwork construction reinforcing structure as claimed in claim 1, wherein: the prefabricated shaped steel roof beam is H shaped steel, and H shaped steel has been pour fashioned shaped steel reinforced concrete frame post through both sides and has been fixed in the construction site, and prefabricated shaped steel roof beam top has had floor structural connection fixed through shear bolt nail and roof beam body upper end.
3. The high-space large-span steel reinforced concrete structure beam formwork construction reinforcing structure as claimed in claim 1, wherein: prefabricated shaped steel beam bottom plate both ends below symmetrical welding has a pair of eave tile screw rod, vertically is equipped with a plurality of pairs of eave tile screw rods along prefabricated shaped steel roof beam, and it is fixed with a "U" shape concatenation double flute steel after passing the template to each pair of eave tile screw rod bottom, and the gap between the "U" shape concatenation double flute steel is passed to eave tile screw rod bottom, utilizes vertical steel pipe, butterfly type fastener and double nut to lift fixedly to "U" shape concatenation double flute steel, and then utilizes "U" shape concatenation double flute steel to consolidate the template.
4. The high-space large-span steel reinforced concrete structure beam formwork construction reinforcing structure as claimed in claim 1, wherein: a triangular reinforcing rib plate is welded between a lower flange plate and a steel beam web plate at the position of the hanging hook screw at the bottom of the prefabricated section steel beam, and the bottom of the prefabricated section steel beam is reinforced.
5. the high-space large-span steel reinforced concrete structure beam formwork construction reinforcing structure as claimed in claim 1, wherein: prefabricated shaped steel roof beam periphery is equipped with the reinforcing bar net, and horizontal original design lacing wire both ends welding is to drawing the screw rod in the structure, passes through steel pipe, butterfly-shaped fastener and the double nut fastening of longitudinal arrangement behind the clearance between roof beam both sides side template and the two channel-section steels of both sides "U" shape concatenation respectively to drawing the screw rod outer end, carries out the side form and consolidates.
6. The construction method for the beam hanging mold construction reinforcing structure of the high-space large-span steel concrete structure according to claim 1, characterized by comprising the following steps:
step 1, binding a reinforcing mesh on the periphery of a prefabricated steel beam, and preliminarily mounting a prefabricated steel beam bottom die, a beam side die plate and a wood beam in place;
Step 2, fixedly suspending a U-shaped spliced double-channel steel at the lower end of a hook screw suspended at the bottom of the prefabricated steel beam by adopting a longitudinal steel pipe, a butterfly fastener and a double nut, reinforcing a wood beam and a template system by the U-shaped spliced double-channel steel, and simultaneously performing secondary reinforcement on a bottom die of the beam bottom by utilizing a transverse steel pipe built at the beam bottom of the steel reinforced concrete structure;
Step 3, utilizing the original design tie bars transversely arranged in the structure, welding a counter-pulling screw at the tail end of the original design tie bars, and fastening the outer ends of the counter-pulling screws through longitudinal steel pipes, butterfly-shaped fasteners and double nuts after the outer ends of the counter-pulling screws respectively penetrate through gaps between the side templates on the two sides of the beam and the U-shaped spliced double-channel steel on the two sides, so as to realize secondary reinforcement of the side templates on the two sides of the beam;
And 4, pouring concrete materials into the reinforced steel reinforced concrete structural beam to complete the construction of the steel reinforced concrete frame beam.
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| CN201910816211.5A CN110552501A (en) | 2019-08-30 | 2019-08-30 | High-space large-span steel reinforced concrete structure beam hanging formwork construction reinforcing structure and construction method thereof |
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| CN201910816211.5A CN110552501A (en) | 2019-08-30 | 2019-08-30 | High-space large-span steel reinforced concrete structure beam hanging formwork construction reinforcing structure and construction method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111424972A (en) * | 2020-04-16 | 2020-07-17 | 中国建筑第四工程局有限公司 | Method and structure for reinforcing ultra-large type steel concrete beam side mold |
| CN112554593A (en) * | 2020-11-30 | 2021-03-26 | 广东中青建筑科技有限公司 | Beam reinforcing and mold hanging device and construction method thereof |
| CN113550576A (en) * | 2021-07-30 | 2021-10-26 | 重庆建工第三建设有限责任公司 | Deep beam steel bar binding side mold cabin jumping dislocation construction process |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111424972A (en) * | 2020-04-16 | 2020-07-17 | 中国建筑第四工程局有限公司 | Method and structure for reinforcing ultra-large type steel concrete beam side mold |
| CN112554593A (en) * | 2020-11-30 | 2021-03-26 | 广东中青建筑科技有限公司 | Beam reinforcing and mold hanging device and construction method thereof |
| CN112554593B (en) * | 2020-11-30 | 2023-01-06 | 广东中青建筑科技有限公司 | Beam reinforcing and mold hanging device and construction method thereof |
| CN113550576A (en) * | 2021-07-30 | 2021-10-26 | 重庆建工第三建设有限责任公司 | Deep beam steel bar binding side mold cabin jumping dislocation construction process |
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