CN105822000A - Steel plate and concrete composite beam and slab structure system - Google Patents
Steel plate and concrete composite beam and slab structure system Download PDFInfo
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- CN105822000A CN105822000A CN201610160360.7A CN201610160360A CN105822000A CN 105822000 A CN105822000 A CN 105822000A CN 201610160360 A CN201610160360 A CN 201610160360A CN 105822000 A CN105822000 A CN 105822000A
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 270
- 239000010959 steel Substances 0.000 title claims abstract description 270
- 239000002131 composite material Substances 0.000 title claims abstract description 38
- 238000010276 construction Methods 0.000 claims abstract description 24
- 230000003014 reinforcing effect Effects 0.000 claims description 58
- 230000002787 reinforcement Effects 0.000 claims description 39
- 239000010410 layer Substances 0.000 claims description 20
- 150000001875 compounds Chemical class 0.000 claims description 7
- 238000005553 drilling Methods 0.000 claims description 7
- 239000003351 stiffener Substances 0.000 claims description 5
- 238000005266 casting Methods 0.000 claims description 4
- 238000005520 cutting process Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 claims description 2
- 238000009417 prefabrication Methods 0.000 claims description 2
- 239000011241 protective layer Substances 0.000 claims description 2
- 239000000203 mixture Substances 0.000 abstract description 2
- 230000002457 bidirectional effect Effects 0.000 abstract 1
- 230000002349 favourable effect Effects 0.000 abstract 1
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 238000004873 anchoring Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Classifications
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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
- E04B5/36—Floor structures wholly cast in situ with or without form units or reinforcements with form units as part of the floor
- E04B5/38—Floor structures wholly cast in situ with or without form units or reinforcements with form units as part of the floor with slab-shaped form units acting simultaneously as reinforcement; Form slabs with reinforcements extending laterally outside the element
- E04B5/40—Floor structures wholly cast in situ with or without form units or reinforcements with form units as part of the floor with slab-shaped form units acting simultaneously as reinforcement; Form slabs with reinforcements extending laterally outside the element with metal form-slabs
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- Engineering & Computer Science (AREA)
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- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Rod-Shaped Construction Members (AREA)
Abstract
The invention discloses a steel plate and concrete composite beam and slab structure system. The system comprises concrete brackets, a steel plate and concrete precast beam, steel plate and concrete precast plates, and a beam and slab concrete composite layer. The steel plate and concrete precast beam and the precast plates are precast in a factory; a concrete of the composite layer is poured after the precast beam and the precast plates are lift on site. The steel plate and concrete precast beam comprises a beam bottom, and steel plates at two sides, T-shaped steel at the bottom of the beam, angle steel and lifting lugs at the side of the beam, longitudinal steel bars on the top of the beam, and tie bars in the middle of the beam. Each steel plate and concrete precast plate comprises a steel plate at the bottom of the plate, T-shaped steel, unidirectional steel bars on the bottom of the plate, bidirectional steel bars at the top of the plate and diagonal steel bars in the plate. When the beam and slab structure system is under construction, the steel plate and concrete precast beam is fixedly mounted on bracket supports firstly, then the steel plate and the concrete precast plates are mounted on the lifting lugs of the precast beam, and finally, the concrete composite layer is poured on the precast beam and the precast plates. The steel plate and concrete composition beam and slab structure system has favorable integrity, and has the anti-seismic property which is coincident with that of a cast-in on-site structure; a composite part is low in sectional height and is capable of increasing a net height of a storey.
Description
Technical field
The invention belongs to building structure technology field, be specifically related to a kind of steel plate concrete composite beam plate structure system.
Background technology
Cast-in-situ floor long construction period, it is impossible to carry out prefabricated and modular construction；The composite floor of girder steel+profiled sheet, compound section height reduces stud, and fire protecting performance is the best, and opening section steel torsion beam suspension is unfavorable, and profiled sheet span is limited, cannot stay and set built-in fitting at the bottom of plate.Existing precast beam mostly is rectangle or T-shaped cross section, and depth of section is big, from great, and not readily transportable and installation, press simply supported beam design more；Existing precoated plate, cross-sectional width is little and span little, and beam lattice or supporting border domestic demand arrange polylith precoated plate, gap is there is between precoated plate, simply supported one-way slabs of pressing design more, and existing precast beam, plate bearing capacity and globality Shortcomings compared with cast-in-place structural exist when antidetonation is used and limit.The invention discloses a kind of steel plate concrete composite beam plate structure system, to solve above-mentioned weak point, this contignation system support node connects reliable, and precoated plate presses beam lattice or supporting border is prefabricated across large area greatly, globality is good, and anti-seismic performance is consistent with cast-in-place structural；System major part component is prefabricated components, can factory modularization construct, and encased steel plate can also serve as template and be hardly damaged, and scene, without installing template, only needs a small amount of reinforcing bar of colligation and pours part concrete, improves efficiency of construction, reduces construction cost；Combined member depth of section is little, can improve floor clear height；Being disposed with shaped steel and reinforcing bar inside system steel plate, after fire condition lower outer portion steel plate lost efficacy, still have bearing capacity, fire protecting performance is excellent.
Summary of the invention
The present invention proposes a kind of steel plate concrete composite beam plate structure system, and the technical scheme of invention includes, concrete bracket, steel plate concrete precast beam, steel plate concrete precoated plate, beam slab concrete folding layer.Steel plate concrete precast beam and precoated plate prefabrication, on-site hoisting precast beam and precoated plate after-pouring overlapping layers concrete.Described steel plate concrete precast beam includes, T-steel, beam side angle steel at the bottom of at the bottom of beam and both sides steel plate, beam and choose lacing wire in the middle part of ear, back longitudinal reinforcement, beam.Described steel plate concrete precoated plate includes, oblique reinforcing bar in one-way reinforcement, plate top two-way concrete slab, plate at the bottom of steel plate at the bottom of plate and T-steel, plate.
Further, steel plate concrete precast beam is formed with the steel plate of both sides and the internal concrete filled by the bottom of beam.At the T-steel arranged at the bottom of the beam of steel plate concrete precast beam, angle steel that beam side is arranged, choose ear and steel ribbed stiffener, at the bottom of buttress brace and the rigidity of both sides steel plate, the cementation of steel plate and concrete can be strengthened when precast beam construct after beam inner concrete pours.Using steel and Combined concrete cross section, rigidity is preferable with intensity, and precast beam can use flat beams, and when beam-ends is connected with post, deck-siding is preferably identical with post width, can reduce depth of section, can improve floor headroom.
Further, the rough surface that top surface of the beam concrete is convex-concave of steel plate concrete precast beam, and be provided with lacing wire and stretch out rough surface, to ensure that precast beam concrete and overlapping layers concrete have effective adhesive, improve the shear-carrying capacity of faying face.
Further, the construction stage such as prefabricated, the lifting of steel plate concrete precast beam presses simply supported beam design, is undertaken by steel plate at the bottom of beam and T-steel by curved, is cut and undertaken by beam side steel plate and angle steel.
Further, the beam-ends of steel plate concrete precast beam is bearing on the concrete bracket of wall column, the beam-ends of precast beam and wall column can stay and set the gap less than 5cm, and in concrete component is constructed, size and precision often exist deviation, and leaving gap, to be easy to the lifting of precast beam in place；Bracket end face is embedded with steel built-in fitting, and steel built-in fitting is connected with the Plate Welding of precast beam, can be fixed by precast beam by weld seam, it is ensured that subsequent construction safety.
Further, wall column arranges construction joint at the top surface of the beam absolute altitude of precast beam, T-steel at the bottom of at the bottom of beam and both sides steel plate, beam does not stretch in wall column, back longitudinal reinforcement anchors into wall column, the scene colligation of back reinforcing bar, back longitudinal reinforcement was fixed time prefabricated by composite beam with stirrup colligation in the past, and back longitudinal reinforcement often results in on-the-spot difficulty in place in anchoring into wall column again.
Further, beam side angle steel top drilling passes screw rod, and in the middle part of screw rod, beam, lacing wire is connected with top longitudinal reinforcement colligation, and screw rod two ends are connected by nut and angle steel are fixing, angle steel, screw rod and the compound stirrup of lacing wire composition beam.Screw rod and angle steel are connected by nut rather than weld, and simple and convenient are prone to execute-in-place.
Further, steel plate concrete composite beam serviceability limit stage presses two-endpoint method design, and span centre is undertaken by steel plate at the bottom of beam and T-steel by curved, is undertaken by cutting the compound stirrup being made up of angle steel, screw rod with lacing wire；Bearing is undertaken by the weld seam between steel built-in fitting and precast beam steel plate and back reinforcing bar by curved, is cut and is undertaken by concrete bracket and beam overlapping layers concrete.Composite beam two fixed ends design holistic resistant behavior is good, and node connects simple.
Further, the concrete that steel plate concrete precoated plate is filled by steel plate, reinforcement, plate top two-way concrete slab, oblique reinforcing bar and top at the bottom of plate forms.Precoated plate presses beam lattice or support boundary dimensions is integral prefabricated, it is to avoid there is parting, the shortcoming of globality difference between traditional little width and the precoated plate of little span.
Further, the matsurface that plate top surface concrete is convex-concave of steel plate concrete precoated plate, and be provided with oblique reinforcing bar and stretch out rough surface, to ensure that precoated plate concrete and overlapping layers concrete have effective adhesive, improve the shear-carrying capacity of faying face；T-steel at the bottom of plate, reinforcement, plate top two-way concrete slab stretch out the reserved section on precoated plate concrete border and meet anchorage length, and are anchored in overlapping layers, and globality is good.
Further, steel plate concrete precoated plate short across arranging T-steel at the bottom of the plate of direction (or mainly carrying direction), plate top is equidirectional arranges top rebars, in arranging plate between T-steel and top rebars, oblique reinforcing bar forms truss, oblique reinforcing bar is welded with T-steel by the flat segments being provided with 5d (d is bar diameter) at T-steel top, and oblique reinforcing bar is generally aligned in the same plane interior with the centrage of T-steel web.The steel bar girder that T-steel, equidirectional plate top reinforcing bar at the bottom of the plate of steel plate concrete precoated plate form with oblique reinforcing bar, its horizontal layout, it is positioned at angle steel centre position, steel plate concrete precast beam adjacent beams side two, it is to avoid collide with each other during lifting, it is simple to install.
Further; at the bottom of the plate in another span direction of steel plate concrete precoated plate, reinforcing bar is set; in reinforcement and vertical direction T-steel intersection; circular hole is opened through reinforcing bar on T-steel web; Circularhole diameter is d+5mm (d is bar diameter); distance at the bottom of circular hole and between steel plate is not less than the protective layer thickness of reinforcing bar, and plate top is equidirectional arranges top rebars.With plate top reinforcing bar at the bottom of the plate in another span direction of steel plate concrete precoated plate, its horizontal layout, it is positioned at angle steel centre position, steel plate concrete precast beam adjacent beams side two, it is to avoid collide with each other during lifting, it is simple to install.
Further, after pouring precoated plate concrete, by plate top reinforcing bar and oblique reinforcing bar binding in plate, the stage of being prefabricated in the factory completes plate reinforcing bar binding, on-the-spot directly integral hoisting, reduces work on the spot amount.
Further, the construction stage such as prefabricated, the lifting of steel plate concrete precoated plate presses simply supported slab design, is undertaken by steel plate at the bottom of plate and T-steel by curved, is cut and undertaken by reinforcing bar oblique in plate.
Further, steel plate concrete precoated plate be bearing in precast beam choose on ear, T-steel at the bottom of the plate of precoated plate and reinforcing bar, the reserved section of plate top reinforcing bar stretch into and are anchored in the overlapping layers of beam, longitudinal reinforcement in mounting rail overlapping layers, after longitudinal reinforcement is hooked in reserved lacing wire, penetrating screw rod at beam side angle steel top drilling, in the middle part of screw rod, beam, lacing wire is connected with top longitudinal reinforcement colligation, and angle steel, screw rod form the compound stirrup of beam with lacing wire.Being fixed with stirrup colligation by back longitudinal reinforcement when conventional composite beam can be avoided prefabricated, precoated plate reinforcing bar conflicts with beam steel, it is impossible to stretch into anchoring in beam, the shortcoming that globality is the best.
Further, steel plate concrete superimposed sheet serviceability limit stage can be undertaken with reinforcing bar, plate top reinforcing bar by T-steel at the bottom of plate by curved by arbitrary loading susceptor design, cut and undertaken by reinforcing bar oblique in plate.Superimposed sheet arbitrary loading design holistic resistant behavior is good, and node connects simple.
Further, steel plate at the bottom of the beam of precast beam, steel plate at the bottom of the plate of precoated plate can be according to needs arch camber, and springing height is preferably the 0.1%--0.3% of span.
Effect of the invention is that: (1) contignation system uses compound section stress performance to be better than existing structure, and support node is designed to fixed end, it is simple to installing good integrity simultaneously, anti-seismic performance is consistent with cast-in-place structural.(2) system major part component is prefabricated components, can factory modularization construct, precoated plate presses beam lattice or supporting border is prefabricated across large area greatly, and the stage of being prefabricated in the factory completes plate reinforcing bar binding, on-the-spot directly integral hoisting, without installing template, the concrete only needing colligation a small amount of back longitudinal reinforcement and pour overlapping layers, and encased steel plate is hardly damaged, and efficiency of construction is greatly improved, reduce construction cost, accomplish that civilized construction is with economic and environment-friendly.(3) combined member depth of section is little, can improve floor clear height, improves and uses space, and economic benefit is good.(4) being disposed with shaped steel and reinforcing bar inside steel plate, after fire condition lower outer portion steel plate lost efficacy, still have bigger bearing capacity, fire protecting performance is excellent.
Accompanying drawing explanation
Fig. 1 is steel plate concrete precast beam axonometric drawing
Fig. 2 is steel plate concrete precast beam profile
Fig. 3 is steel plate concrete precoated plate axonometric drawing
Fig. 4 is steel plate concrete precoated plate profile
Fig. 5 is the profile that steel plate concrete precast beam is installed on bracket
Fig. 6 is the schematic diagram that steel plate concrete precoated plate is installed on steel plate concrete precast beam
Fig. 7 is the schematic diagram of steel plate concrete precoated plate and steel plate concrete precast beam cast-in-place concrete overlapping layers
Fig. 8 is that steel plate concrete overlaps beam slab profile
In figure, the steel facing of 1-precast beam, T-steel in 2-precast beam, ear chosen by the steel of 3-precast beam, 4-steel ribbed stiffener, the concrete of 5-precast beam, 6-angle steel, 7-lacing wire, the steel facing of 8-precoated plate, T-steel in 9-precoated plate, the concrete of 10-precoated plate, 11-precoated plate bottom reinforcement bars, 12-precoated plate top rebars, the oblique reinforcing bar of 13-precoated plate, 14-wall or post, 15-concrete bracket, 16-pre-embedded steel slab and dowel, 17-nut, 18-screw rod, 19-beam longitudinal reinforcement, 20-cast-in-place concrete.
Detailed description of the invention
The present invention is described further with embodiment below in conjunction with the accompanying drawings.
Step 1: according to designing require to have constructed concrete bracket 15, and reserved construction joint on wall column 14, construction joint is identical with the top mark height of precast beam.
Step 2: factory makes steel plate concrete precast beam, completes at the bottom of beam and T-steel 2, beam side angle steel 6 at the bottom of both sides steel plate 1, beam and choose the blanking of the parts such as lacing wire 7 in the middle part of ear 3, back longitudinal reinforcement 19, beam；At beam side angle steel 6 top drilling, beam side angle steel 6 is welded with beam sides steel plate 1, choose ear 3 and ribbed stiffener 4 in beam sides steel plate welded top；Weld lacing wire 7 at T-steel top 2, T-steel at the bottom of beam 2 is welded with steel plate at the bottom of beam 1；Steel plate at the bottom of beam and beam side Plate Welding are formed the overall dimensions of composite beam；Casting concrete 5, completes the making of steel plate concrete precast beam.
Step 3: factory makes steel plate concrete precoated plate, completes the blanking of the parts such as oblique reinforcing bar 13 in one-way reinforcement 11 at the bottom of steel plate 8 at the bottom of plate and T-steel 9, plate, plate top two-way concrete slab 12, plate；Circular hole opened by T-steel 9 web, oblique reinforcing bar 13 is welded on T-steel 9 top, the long 5d of double welded joint, T-steel at the bottom of plate 9 is welded with steel plate at the bottom of plate 8；Installing the reinforcement 11 with T-steel 9 vertical direction, reinforcing bar is through the circular hole on T-steel 9 web；Casting concrete 10；By plate top reinforcing bar 12 and oblique reinforcing bar 13 colligation in plate, complete the making of steel plate concrete precoated plate.
Step 4: after steel plate concrete precast beam reaches design strength, lifting is shelved on bracket 15 bearing, and the steel built-in fitting 16 buried underground by bracket end face is welded to connect with the steel plate 1 of precast beam.
Step 5: after steel plate concrete precoated plate reaches design strength, lifting is shelved on precast beam and chooses on ear 3, and at the bottom of T-steel 9, plate at the bottom of plate, one-way reinforcement 11, plate top two-way concrete slab 12 meet anchorage length in beam overlapping layers domestic demand.
Step 6: the longitudinal reinforcement 19 in mounting rail overlapping layers, reserved lacing wire 7 need to be hooked longitudinal reinforcement 19, be penetrated screw rod 18 at beam side angle steel 6 top drilling, by screw rod 18 and lacing wire 7, beam longitudinal reinforcement 19 colligation, tightens the attaching nut 17 of screw rod 18 and angle steel 6；Longitudinal reinforcement 19 meets anchorage length in wall column 14 domestic demand.
Step 7: pour the concrete 20 in beam slab overlapping layers, completes floor construction construction.
Above embodiments of the invention are explained in detail, above-mentioned embodiment is only most highly preferred embodiment of the invention, but the present invention is not limited to above-described embodiment, in the ken that those of ordinary skill in the art are possessed, it is also possible to make a variety of changes on the premise of without departing from present inventive concept.
Claims (20)
1. a steel plate concrete composite beam plate structure system, it is characterised in that this system includes concrete bracket, steel plate concrete precast beam, steel plate concrete precoated plate, beam slab concrete folding layer.Steel plate concrete precast beam and precoated plate prefabrication, on-site hoisting precast beam and precoated plate after-pouring overlapping layers concrete.Described steel plate concrete precast beam includes, T-steel, beam side angle steel at the bottom of at the bottom of beam and both sides steel plate, beam and choose lacing wire in the middle part of ear, back longitudinal reinforcement, beam.Described steel plate concrete precoated plate includes, oblique reinforcing bar in one-way reinforcement, plate top two-way concrete slab, plate at the bottom of steel plate at the bottom of plate and T-steel, plate.
A kind of steel plate concrete composite beam plate structure system the most according to claim 1, it is characterised in that steel plate concrete precast beam is formed with the steel plate of both sides and the internal concrete filled by the bottom of beam.Precast beam can use flat beams, and when beam-ends is connected with post, deck-siding is preferably identical with post width.
A kind of steel plate concrete composite beam plate structure system the most according to claim 1, it is characterized in that, at the T-steel arranged at the bottom of the beam of steel plate concrete precast beam, angle steel that beam side is arranged, choose ear and steel ribbed stiffener, when precast beam is constructed at the bottom of buttress brace with the rigidity of both sides steel plate, the cementation of steel plate and concrete can be strengthened after beam inner concrete pours.
A kind of steel plate concrete composite beam plate structure system the most according to claim 1, it is characterised in that the rough surface that top surface of the beam concrete is convex-concave of steel plate concrete precast beam, and be provided with lacing wire and stretch out rough surface.
A kind of steel plate concrete composite beam plate structure system the most according to claim 1, it is characterized in that, the construction stages such as prefabricated, the lifting of steel plate concrete precast beam press simply supported beam design, are undertaken by steel plate at the bottom of beam and T-steel by curved, are cut and undertaken by beam side steel plate and angle steel.
A kind of steel plate concrete composite beam plate structure system the most according to claim 1, it is characterized in that, the beam-ends of steel plate concrete precast beam is bearing on the concrete bracket of wall column, the beam-ends of precast beam and wall column can stay and set the gap less than 5cm, bracket end face is embedded with steel built-in fitting, and steel built-in fitting is connected with the Plate Welding of precast beam.
A kind of steel plate concrete composite beam plate structure system the most according to claim 1, it is characterised in that wall column arranges construction joint at the top surface of the beam absolute altitude of precast beam, and T-steel at the bottom of at the bottom of beam and both sides steel plate, beam does not stretch in wall column, and back longitudinal reinforcement anchors into wall column.
A kind of steel plate concrete composite beam plate structure system the most according to claim 1, it is characterized in that, beam side angle steel top drilling passes screw rod, in the middle part of screw rod, beam, lacing wire is connected with top longitudinal reinforcement colligation, screw rod two ends are connected by nut and angle steel are fixing, and angle steel, screw rod form the compound stirrup of beam with lacing wire.
A kind of steel plate concrete composite beam plate structure system the most according to claim 1, it is characterized in that, steel plate concrete composite beam serviceability limit stage presses two-endpoint method design, and span centre is undertaken by steel plate at the bottom of beam and T-steel by curved, is undertaken by cutting the compound stirrup being made up of angle steel, screw rod with lacing wire；Bearing is undertaken by the weld seam between steel built-in fitting and precast beam steel plate and back reinforcing bar by curved, is cut and is undertaken by concrete bracket and beam overlapping layers concrete.
A kind of steel plate concrete composite beam plate structure system the most according to claim 1, it is characterised in that the concrete that steel plate concrete precoated plate is filled by steel plate, reinforcement, plate top two-way concrete slab, oblique reinforcing bar and top at the bottom of plate forms.Precoated plate presses beam lattice or support boundary dimensions is integral prefabricated.
11. a kind of steel plate concrete composite beam plate structure systems according to claim 1, it is characterised in that the matsurface that plate top surface concrete is convex-concave of steel plate concrete precoated plate, and be provided with oblique reinforcing bar and stretch out rough surface；T-steel at the bottom of plate, reinforcement, plate top two-way concrete slab stretch out the reserved section on precoated plate concrete border and meet anchorage length.
12. a kind of steel plate concrete composite beam plate structure systems according to claim 1, it is characterized in that, steel plate concrete precoated plate short across arranging T-steel at the bottom of the plate of direction (or mainly carrying direction), plate top is equidirectional arranges top rebars, in arranging plate between T-steel and top rebars, oblique reinforcing bar forms truss, oblique reinforcing bar is welded with T-steel by the flat segments being provided with 5d (d is bar diameter) at T-steel top, and oblique reinforcing bar is generally aligned in the same plane interior with the centrage of T-steel web.
13. a kind of steel plate concrete composite beam plate structure systems according to claim 1, it is characterized in that, the steel bar girder that T-steel, equidirectional plate top reinforcing bar at the bottom of the plate of steel plate concrete precoated plate form with oblique reinforcing bar, its horizontal layout, is positioned at angle steel centre position, steel plate concrete precast beam adjacent beams side two.
14. a kind of steel plate concrete composite beam plate structure systems according to claim 1; it is characterized in that; at the bottom of the plate in another span direction of steel plate concrete precoated plate, reinforcing bar is set; in reinforcement and vertical direction T-steel intersection; circular hole is opened through reinforcing bar on T-steel web; Circularhole diameter is d+5mm (d is bar diameter), and the distance at the bottom of circular hole and between steel plate is not less than the protective layer thickness of reinforcing bar, and plate top is equidirectional arranges top rebars.
15. a kind of steel plate concrete composite beam plate structure systems according to claim 1, it is characterized in that, with plate top reinforcing bar at the bottom of the plate in another span direction of steel plate concrete precoated plate, its horizontal layout, it is positioned at angle steel centre position, steel plate concrete precast beam adjacent beams side two.
16. a kind of steel plate concrete composite beam plate structure systems according to claim 1, it is characterized in that, the construction stages such as prefabricated, the lifting of steel plate concrete precoated plate press simply supported slab design, are undertaken by steel plate at the bottom of plate and T-steel by curved, are cut and undertaken by reinforcing bar oblique in plate.
17. a kind of steel plate concrete composite beam plate structure systems according to claim 1, it is characterized in that, steel plate concrete precoated plate be bearing in precast beam choose on ear, T-steel at the bottom of the plate of precoated plate and reinforcing bar, the reserved section of plate top reinforcing bar stretch into and are anchored in the overlapping layers of beam.
18. a kind of steel plate concrete composite beam plate structure systems according to claim 1, it is characterized in that, steel plate concrete superimposed sheet serviceability limit stage can be undertaken with reinforcing bar, plate top reinforcing bar by T-steel at the bottom of plate by curved by arbitrary loading susceptor design, cut and undertaken by reinforcing bar oblique in plate.
19. a kind of steel plate concrete composite beam plate structure systems according to claim 1, it is characterised in that steel plate at the bottom of the beam of precast beam, steel plate at the bottom of the plate of precoated plate can be according to needs arch camber, and springing height is preferably the 0.1%--0.3% of span.
The construction method of 20. a kind of steel plate concrete composite beam plate structure systems according to claim 1, it is characterised in that comprise the following steps:
Step 1: according to designing require to have constructed concrete bracket, and reserved construction joint on wall column, construction joint is identical with the top mark height of precast beam.
Step 2: factory makes steel plate concrete precast beam, completes at the bottom of beam and T-steel, beam side angle steel at the bottom of both sides steel plate, beam and choose the blanking of the parts such as lacing wire in the middle part of ear, back longitudinal reinforcement, beam；At beam side angle steel top drilling, by beam side angle steel and beam sides Plate Welding, choose ear and ribbed stiffener in beam sides steel plate welded top；In T-steel welded top lacing wire, by Plate Welding at the bottom of T-steel at the bottom of beam and beam；Steel plate at the bottom of beam and beam side Plate Welding are formed the overall dimensions of composite beam；Casting concrete, completes the making of steel plate concrete precast beam.
Step 3: factory makes steel plate concrete precoated plate, completes the blanking of the parts such as oblique reinforcing bar in one-way reinforcement at the bottom of steel plate at the bottom of plate and T-steel, plate, plate top two-way concrete slab, plate；Opening circular hole on T-steel web, oblique reinforcing bar is welded on T-steel top, the long 5d of double welded joint, by Plate Welding at the bottom of T-steel at the bottom of plate and plate；Installing the reinforcement with T-steel vertical direction, reinforcing bar is through the circular hole on T-steel web；Casting concrete；By plate top reinforcing bar and oblique reinforcing bar binding in plate, complete the making of steel plate concrete precoated plate.
Step 4: after steel plate concrete precast beam reaches design strength, lifting is shelved on bracket bearing, and the steel built-in fitting buried underground by bracket end face is connected with the Plate Welding of precast beam.
Step 5: after steel plate concrete precoated plate reaches design strength, lifting is shelved on precast beam and chooses on ear, and at the bottom of T-steel, plate at the bottom of plate, one-way reinforcement, plate top two-way concrete slab meet anchorage length in beam overlapping layers domestic demand.
Step 6: the longitudinal reinforcement in mounting rail overlapping layers, reserved lacing wire need to be hooked longitudinal reinforcement, be penetrated screw rod at beam side angle steel top drilling, by screw rod and lacing wire, beam longitudinal reinforcement colligation, tightens the attaching nut of screw rod and angle steel；Longitudinal reinforcement meets anchorage length in wall column domestic demand.
Step 7: pour the concrete in beam slab overlapping layers, completes floor construction construction.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610160360.7A CN105822000A (en) | 2016-03-21 | 2016-03-21 | Steel plate and concrete composite beam and slab structure system |
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| CN201610160360.7A CN105822000A (en) | 2016-03-21 | 2016-03-21 | Steel plate and concrete composite beam and slab structure system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107246094A (en) * | 2017-02-21 | 2017-10-13 | 铁道第三勘察设计院集团有限公司 | A kind of overlapping reinforced concrete slab structure and preparation method for bearing heavy duty |
| CN107642163A (en) * | 2017-10-23 | 2018-01-30 | 重庆凌锋投资管理有限公司 | A kind of self-support type steel plate concrete integral type beam slab is whole to pour structure and its construction method |
| CN108411787A (en) * | 2018-04-11 | 2018-08-17 | 中启胶建集团有限公司 | Existing curtain wall builds freely-supported conversion beam steel construction crossover construction |
| CN108894518A (en) * | 2018-07-27 | 2018-11-27 | 华南理工大学 | A kind of supporter and its construction method of erecting plate |
| CN108999336A (en) * | 2018-08-30 | 2018-12-14 | 天津大学建筑设计研究院 | Light steel grating concrete composite beam |
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| CN112144414A (en) * | 2020-09-29 | 2020-12-29 | 江西省地质工程(集团)公司 | Construction method for embedded ribs of small box girder top plate |
| CN113802866A (en) * | 2021-11-02 | 2021-12-17 | 沈阳建筑大学 | Hoisting structure for prefabricated bottom plate with medium and long ribs and construction method of hoisting structure |
| CN117822787A (en) * | 2024-01-18 | 2024-04-05 | 中国核工业华兴建设有限公司 | Ultra-thick cast-in-situ steel plate concrete structure of nuclear power station and construction method |
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| CN107246094A (en) * | 2017-02-21 | 2017-10-13 | 铁道第三勘察设计院集团有限公司 | A kind of overlapping reinforced concrete slab structure and preparation method for bearing heavy duty |
| CN107642163A (en) * | 2017-10-23 | 2018-01-30 | 重庆凌锋投资管理有限公司 | A kind of self-support type steel plate concrete integral type beam slab is whole to pour structure and its construction method |
| CN108411787A (en) * | 2018-04-11 | 2018-08-17 | 中启胶建集团有限公司 | Existing curtain wall builds freely-supported conversion beam steel construction crossover construction |
| CN108894518A (en) * | 2018-07-27 | 2018-11-27 | 华南理工大学 | A kind of supporter and its construction method of erecting plate |
| CN108999336A (en) * | 2018-08-30 | 2018-12-14 | 天津大学建筑设计研究院 | Light steel grating concrete composite beam |
| CN108999336B (en) * | 2018-08-30 | 2023-12-19 | 天津大学建筑设计规划研究总院有限公司 | Light steel grid concrete superposed beam |
| CN109403523A (en) * | 2018-11-27 | 2019-03-01 | 福建卓越建设工程开发有限公司 | Precast splice type superimposed sheet suspension type support construction and overlapping board construction method |
| CN109403523B (en) * | 2018-11-27 | 2024-01-05 | 福建卓越建设工程开发有限公司 | Prefabricated assembled laminated slab suspension type supporting structure and laminated slab construction method |
| CN110344844A (en) * | 2019-07-08 | 2019-10-18 | 中国铁建大桥工程局集团有限公司 | A kind of track engineering section of track well construction method |
| CN112144414A (en) * | 2020-09-29 | 2020-12-29 | 江西省地质工程(集团)公司 | Construction method for embedded ribs of small box girder top plate |
| CN113802866A (en) * | 2021-11-02 | 2021-12-17 | 沈阳建筑大学 | Hoisting structure for prefabricated bottom plate with medium and long ribs and construction method of hoisting structure |
| CN117822787A (en) * | 2024-01-18 | 2024-04-05 | 中国核工业华兴建设有限公司 | Ultra-thick cast-in-situ steel plate concrete structure of nuclear power station and construction method |
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