CN109025017A - Reinforced concrete hollow overlaps two-way ribbed slab floor and its method of construction - Google Patents
Reinforced concrete hollow overlaps two-way ribbed slab floor and its method of construction Download PDFInfo
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- CN109025017A CN109025017A CN201810938223.0A CN201810938223A CN109025017A CN 109025017 A CN109025017 A CN 109025017A CN 201810938223 A CN201810938223 A CN 201810938223A CN 109025017 A CN109025017 A CN 109025017A
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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
- E04B5/17—Floor structures partly formed in situ
- E04B5/18—Floor structures partly formed in situ with stiffening ribs or other beam-like formations wholly cast between filling members
- E04B5/21—Cross-ribbed floors
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Abstract
The invention belongs to construction engineering technical fields, propose a kind of reinforced concrete hollow overlapping two-way ribbed slab floor and its method of construction, it is divided into ordinary reinforced concrete and two kinds of prestressed concrete, industrial and civil buildings flooring and the roof boarding for being 6 meters or more suitable for span.Reinforced concrete hollow overlaps two-way ribbed slab floor by several pieces of prefabricated reinforced concrete (or prestressed concrete) bottom plate assembling combinations with ribbing into floor bottom mould, bottom plate with ribbing is equipped with lightweight or hollow material to mitigate dead load, scene is poured concrete after being laid with vertical, horizontal girt strip reinforcing bar, becomes assembled integral reinforced concrete hollow overlapping two-way ribbed slab floor after the completion of construction and maintenance.The present invention meets the standardization of current building industrialization production, modularization requirement, and the equipment that current most of factories can be used is produced, simple production process.When prefabricated reinforced concrete bottom plate with ribbing is assembled at the scene, it is not required to formwork, it is only necessary to set a small amount of support, save a large amount of templates and artificial.
Description
Technical field
The invention belongs to construction engineering technical fields, and in particular to content be a kind of superstructure and its production, construction method.
Background technique
The hollow superposed floor of the reinforced concrete used in architectural engineering, presently disclosed technical solution are as follows:
(1) Chinese invention patent " a kind of laminated floor slab (patent No. 2015105065844) ", it includes that several prefabricated reinforced concretes are flat
Plate and T beam slab at least splice one flat plate between adjacent two T beam slab, they pour reinforced concrete overlapping layers and form entirety after passing through
Formula laminated floor slab.It reduces the dosage of concrete by prestressing technique and the sandwich structural form of two-way ribs, reduce self weight,
It reduces costs, improves itself rigidity and bearing capacity, lightweight aggregate structural thermal insulation concrete placings, drop are used by longitudinal and transverse ribbed belt
The heat bridge of low longitudinal and transverse ribbed belt influences, while light filling block being cooperated to improve insulation ability of the invention.It will when use
T beam slab, plate, which are arranged in, first to be poured on Vierendeel girder, is then poured reinforced concrete overlapping layers afterwards and is formed monoblock type laminated floor slab.
(2) Chinese utility model patent " prefabricated sandwich hollow slab (patent No. 2012203740146) ", technical solution
Are as follows: prefabricated sandwich hollow slab has in-situ layer and preformed layer, is disposed with truss bars or concealed beam reinforcing bar, Truss Steel on preformed layer
Fixation hollow box or light plastid block between muscle or concealed beam reinforcing bar.It is cast-in-place mixed again by placing reinforcing bar on preformed layer at the construction field (site)
Truss bars and hollow box or light plastid block are embedded in in-situ layer by solidifying soil, and are fixed in conjunction with preformed layer and formed whole building
Plate.
(3) Chinese invention patent " assembly concrete two-way ribbed slab floor and its method of construction (patent No.:
2015108278128) ", including concrete bar shaped frid, precast concrete bar shaped cored slab, precast concrete flute profile block, prefabricated
Concrete hollow block amounts to four kinds of designs, element precast and installation mode.Its precast concrete bar shaped frid and prefabricated mixed
Solidifying soil bar shaped cored slab has the function of load-bearing in construction period, support that no setting is required；Its precast concrete flute profile block and prefabricated
Though concrete hollow block needs to support in construction period, the support needed is less.
In patent disclosed above, the mode of realization is all with lightweight or hollow material come inside filled floor, to subtract
Light dead load achievees the effect that heat preservation.Focus and implementation are had nothing in common with each other；
Patent of invention " a kind of laminated floor slab (patent No. 2015105065844) ", according to its claims and patent specification,
Laminated floor slab is the assembly of plate and T beam slab or both, and there are two types of plates, a kind of by upper and lower panel and positioned at the two
Between arranged crosswise the frame-like structures that surround of longitudinal and transverse ribbed belt, there are the edges of a wing along its length for lower panel two sides, longitudinal and transverse
Region between upper and lower panel is divided into along the length direction of upper and lower panel and width direction arrangement several only by ribbed belt respectively
Vertical cavity；The cross rib band is equipped with the transverse rib groove of several opening upwards, and lateral through hole is equipped in cross rib band, and adjacent two is horizontal
Rib slot is connected to by through hole；Or the longitudinal rib band is equipped with the longitudinal rib slot of several opening upwards, is equipped in longitudinal rib band longitudinal
Through hole, adjacent two longitudinal ribs slot pass through through hole be connected to.For this plate due to there is two-layer panel, material utilization amount is more, structure weight
Amount is big, and hollow rate is not high, and rib is all provided with rib slot in length and breadth, and stiffness of structural member is smaller.Another kind plate disclosed in the patent includes bottom
Panel and filling block, the rectangular array of filling block are arranged on bottom panel.This plate is in demoulding, lifting, transport, installation
Rigidity in the process is small, and when superstructure span is larger, bottom surface plate thickness is larger, influences other direction girt strip height, applies valence
It is worth limited.And its longitudinal and transverse rib is all made of lightweight aggregate structural thermal insulation concrete placings in its claims, it is therefore an objective to insulation,
But requirement of the superstructure to insulation be not high in Practical Project, necessarily will affect floor rigidness and strong using lightweight aggregate concrete
Degree, also reduces the use scope of floor.
Utility model patent " prefabricated sandwich hollow slab (patent No. 2012203740146) ", cassette ceiling is along girder rib
The elongated setting hollow box in direction or light plastid block, rigidity of this plate in demoulding, lifting, transport, installation process is small, works as building
When lid span is larger, bottom surface plate thickness is larger, has essential distinction with the inverted T shaped plate of this patent.And finally formed superimposed sheet
It is unidirectional power transmission, does not propose the solution of bidirectional stress, it is different from this patent.
Patent of invention " assembly concrete two-way ribbed slab floor and its method of construction (patent No. 2015108278128) ",
Its related content is the production method of precast concrete bar shaped frid and precast concrete bar shaped cored slab and uses both
The method that prefabricated board builds two-way ribbed slab floor, its implementation are more complex.
Summary of the invention
The technical problems to be solved by the present invention are: the prior art is when producing the biggish hollow laminated floor slab of span,
Stiffness of structural member when production, transport and construction and installation is insufficient, or leads to not bidirectional stress due to increasing base plate thickness, also has
Because set double-layer plate improve rigidity cause hollow rate it is lower, production and constructional difficulties.The present invention uses inverted T-shaped girt strip thus
Bottom plate solves above technical problem, propose a kind of adaptations assembled architecture standardize, modularization requirement, can the factorial production,
The assembled integral reinforced concrete hollow overlapping two-way ribbed slab floor and its method of construction of construction site assembling.
The technical solution adopted by the present invention is that: propose reinforced concrete hollow overlapping two-way ribbed slab floor, including floor
Bed die and top plate, the floor bottom mould are formed by several block concrete inverted T-shapeds bottom plate assembling combination with ribbing, and the concrete falls T
Longitudinal girt strip that shape bottom plate with ribbing is arranged by lower flat plate and along its length is integrated poured to be formed, and the longitudinal direction girt strip is to fall
T-shaped structure is spaced apart on the longitudinal direction girt strip along its length and is equipped with several grooves, and the groove of each longitudinal girt strip is in building
It is laterally aligned and be arranged in rows in plate bed die, form the lateral girt strip groove arranged in a crossed manner with longitudinal girt strip, the transverse direction girt strip
Lateral girt strip is set in groove, and the top of lateral girt strip and longitudinal rib back portion flush and be in the same plane, it is described
Lateral girt strip and longitudinal girt strip are filled with filling block in the lattice that floor bottom mould is formed, and the top plate is in-situ layer,
It pours in formation reinforced concrete hollow overlapping two-way ribbed slab floor on the floor bottom mould and lateral girt strip.
The concrete inverted T-shaped bottom plate with ribbing is normal concrete inverted T-shaped bottom plate with ribbing or prestressed concrete inverted T-shaped band
Rib bottom plate.
The filling block is made of lightweight or hollow material.
The groove is spaced disconnecting unit or aperture on longitudinal girt strip, the longitudinal direction of the disconnecting unit side adjacent thereto
It is connected between girt strip by reinforcing bar.
The longitudinal direction girt strip is provided with the stirrup stretched out upwards, and stirrup is closed rectangle or triangle u stirrup, or
For the u tie muscle of opening upwards, longitudinal girt strip is provided with epithelium longitudinal reinforcement and hypodermis longitudinal reinforcement, hypodermis longitudinal direction steel
Muscle stretches out at longitudinal girt strip both ends, and the hypodermis longitudinal reinforcement is prestressing force or non-prestressing tendon.
The lower flat plate is internally provided with two-way concrete slab mesh sheet, is provided with transverse stiffener in the lower flat plate.
Two-way concrete slab mesh sheet is provided in the top plate.
Hanging ring or hanging piece are provided on the concrete inverted T-shaped bottom plate with ribbing.
Reinforced concrete hollow overlaps the method for construction of two-way ribbed slab floor, including following two step:
Step 1: production concrete inverted T-shaped bottom plate with ribbing, in the step specifically includes the following steps:
(1-1), by drawing dimensioned mold, production reinforcing bar, filling block is customized or processed；
(1-2), assembly mold are laid with reinforcing bar；
(1-3), casting lower flat plate concrete, vibration compacting；
(1-4), before lower flat plate concrete initial set, it is laid with filling block, and with special connecting piece by itself and the lower part that is just poured
The connection of plate concrete；
(1-5), it is poured longitudinal girt strip concrete；
(1-6), component conservation, demoulding and storage；
Step 2: floor construction installation, in the step specifically includes the following steps:
(2-1), it is laid with vertical temporary support, after leveling, hangs concrete inverted T-shaped bottom plate with ribbing；
(2-2), it is laid with lateral rib beam hoop reinforcement and vertical muscle, is laid with the two-way concrete slab mesh sheet that longitudinal girt strip epithelium indulges muscle and top plate, and
The piece reinforced mesh being laid between adjacent concrete inverted T-shaped bottom plate with ribbing；
Behind (2-3), stopend gap, it is poured lateral girt strip and concrete roof, vibration compacting；
After (2-4), concrete curing to prescribed strength, vertical temporary support is removed.
Concrete inverted T-shaped bottom plate with ribbing described in step 1 is that normal concrete inverted T-shaped bottom plate with ribbing or prestressing force are mixed
Solidifying soil inverted T-shaped bottom plate with ribbing, when its bottom plate with ribbing for normal concrete inverted T-shaped, in (1-2) step in step 1, specifically
Are as follows: in the fixed station mould or custom mold over-assemble mold of factory, and hang the steel reinforcement cage combined；When it is prestressed concrete
When native inverted T-shaped bottom plate with ribbing, in (1-2) step in step 1, specifically: fixed station mould or long line platform over-assemble in factory
Mold, and prestressed stretch-draw is carried out to mold, it is laid with deformed bar.
The filling block is made of lightweight or hollow material.
The beneficial effects of the present invention are embodied in:
1) span situation is combined, prefabricated inverted T-shaped bottom plate with ribbing is using interruption or the inverted T-shaped girt strip of aperture, according to span situation, also
It can be equipped with the transverse stiffener for improving plate rigidity, two-way concrete slab mesh sheet is equipped in plate, had both solved production, transport and construction
The rigidity and intensity deficiency problem of erection stage component, and lateral girt strip can be poured later to achieve the purpose that floor bidirectional stress.
Prefabricated inverted T-shaped bottom plate with ribbing of the invention, improves stiffness of structural member and intensity, avoids production, transport and construction peace
The possibility that the dress stage destroys.
2) between the vertical, horizontal girt strip of prefabricated inverted T-shaped bottom plate with ribbing, in factory or building-site installation lightweight or hollow material
Material facilitates construction to mitigate construction weight.Lightweight or hollow material piecemeal are embedded in prefabricated reinforced concrete (or prestressed concrete
Soil) in the lattice that is formed of bottom plate vertical, horizontal girt strip with ribbing, lightweight or hollow material disconnect at vertical, horizontal girt strip, formation
Lateral girt strip groove is aligned with the interruption of prefabricated panel longitudinal direction girt strip or tapping.
3) prefabricated inverted T-shaped bottom plate with ribbing is transported to construction site, and installation is in place, is laid with vertical, horizontal girt strip remainder reinforcing bar
Casting concrete and vibration compacting afterwards, construction and maintenance become assembled integral reinforced concrete hollow overlapping two-way ribs after the completion
Superstructure, prefabricated inverted T-shaped bottom plate production with ribbing is simple, and superstructure in-site installation, construction complexity are low, are conducive to improve construction efficiency.
To sum up, reinforced concrete hollow of the invention overlaps two-way ribbed slab floor, and good integrity is light-weight, bottom surface
Smooth beauty.Large span floor and roof boarding particularly suitable for all kinds of buildings, it can also be used to the lotuses such as underground garage earthing top plate
It carries, the biggish place of span.Meanwhile design meets traditional design habit, facilitates popularization, and the present invention meets current building
The standardization of industrialized production, modularization requirement, the equipment that current most of factories can be used are produced, production technology letter
It is single.When prefabricated reinforced concrete bottom plate with ribbing is assembled at the scene in construction method of the invention, it is not required to formwork, it is only necessary to set a small amount of branch
A large amount of templates and artificial are saved in support.
Detailed description of the invention
Fig. 1 is prefabricated reinforced concrete (or prestressed concrete) the inverted T-shaped bottom plate with ribbing for showing lightweight or hollow material
Axonometric schematic diagram.
Fig. 2 is prefabricated reinforced concrete (or prestressed concrete) the inverted T-shaped bottom with ribbing for not showing lightweight or hollow material
Plate axonometric schematic diagram (longitudinal girt strip discontinuities have reinforcing bar to be connected).
Fig. 3 is prefabricated reinforced concrete (or prestressed concrete) the inverted T-shaped bottom with ribbing for not showing lightweight or hollow material
Plate axonometric schematic diagram (longitudinal girt strip aperture).
Fig. 4 is made of several pieces of prefabricated reinforced concrete (or prestressed concrete) inverted T-shaped bottom plate assembling combinations with ribbing
Floor bottom mould axonometric schematic diagram.
Fig. 5 is formed after prefabricated inverted T-shaped bottom plate assembling combination with ribbing, to be laid with vertically and horizontally girt strip reinforcing bar and being poured concrete
The axonometric schematic diagram of final reinforced concrete hollow overlapping two-way ribbed slab floor.
In figure: 1- filling block, the longitudinal direction 2- girt strip, 3- transverse direction girt strip, 4- top plate, 5- lower flat plate, 6- reinforcing bar, 7- stirrup,
8- hypodermis longitudinal reinforcement, 9- transverse stiffener, 10- hanging ring or hanging piece, 11- transverse direction girt strip groove, 12- disconnecting unit, 13- aperture,
14- epithelium longitudinal reinforcement, 15- cross rib beam steel, 16- two-way concrete slab mesh sheet.
Specific embodiment
The present invention is described in detail with reference to the accompanying drawing.
Reinforced concrete hollow as shown in Figure 5 overlaps two-way ribbed slab floor, including floor bottom mould and top plate 4, floor bottom
Mould is formed by several block concrete inverted T-shapeds bottom plate assembling combination with ribbing, and concrete inverted T-shaped floor structure with ribbing is shown in Fig. 1-3, described
Concrete inverted T-shaped bottom plate with ribbing is normal concrete inverted T-shaped bottom plate with ribbing or prestressed concrete inverted T-shaped bottom plate with ribbing.
Longitudinal girt strip 2 that concrete inverted T-shaped bottom plate with ribbing is arranged by lower flat plate 5 and along its length it is integrated poured and
At.Wherein, lower flat plate 5 is internally provided with two-way concrete slab mesh sheet, according to span situation, can be equipped with to improve in lower flat plate 5 and put down
The transverse stiffener 9 of panel stiffness, floor span hour can not set.Longitudinal girt strip 2 is provided with the stirrup 7 stretched out upwards, stirrup 7
It for closed rectangle or triangle u stirrup, or is the u tie muscle of opening upwards, longitudinal girt strip 2 is provided with epithelium longitudinal direction steel
Muscle 14 and hypodermis longitudinal reinforcement 8, hypodermis longitudinal reinforcement 8 stretch out at longitudinal 2 both ends of girt strip, are prestressing force or non-prestressing tendon.
Longitudinal girt strip 2 uses inverted T-shaped structure, is spaced apart along its length on longitudinal girt strip 2 and sees Fig. 2 equipped with multiple disconnecting unit 12() or
Aperture 13(is shown in Fig. 3), it is connected by reinforcing bar 6 between longitudinal girt strip 2 of disconnecting unit side adjacent thereto.Each longitudinal direction on floor bottom mould
The disconnecting unit 12 of girt strip or aperture 13 are laterally aligned on floor bottom mould and be arranged in rows, and are formed arranged in a crossed manner with longitudinal direction girt strip 2
Lateral girt strip groove 11, lateral girt strip 3 is set in lateral girt strip groove 11, and the top of lateral girt strip 3 and longitudinal girt strip 2 push up
Portion, which flushes, to be in the same plane, and lateral girt strip 3 is filled with filling block 1 with longitudinal girt strip 2 in the lattice that floor bottom mould is formed,
Filling block 1 is made of lightweight or hollow material.
Top plate 4 is in-situ layer, interior to be equipped with two-way concrete slab mesh sheet 16, pours and is formed on floor bottom mould and lateral girt strip 3
Reinforced concrete hollow overlaps two-way ribbed slab floor.
Necessary hanging ring or hanging piece 10 when production, transport and installation are additionally provided on concrete inverted T-shaped bottom plate with ribbing, and with ribbing
Bottom plate can preset necessary arch camber according to design requirement.
The method of construction of above-described reinforced concrete hollow overlapping two-way ribbed slab floor is made and is constructed by component and pacified
Dress is divided into following two step:
Step 1: production concrete inverted T-shaped bottom plate with ribbing, in this step, the production of concrete inverted T-shaped bottom plate with ribbing is divided into general
Logical armored concrete inverted T-shaped bottom plate with ribbing and prestressed concrete inverted T-shaped two kinds of situations of bottom plate with ribbing are illustrated,
A, to ordinary reinforced concrete bottom plate with ribbing, production method are as follows:
(1-1), by drawing dimensioned mold, production reinforcing bar, customization or processing lightweight or hollow material；
(1-2), fixed station mould or custom mold over-assemble mold in factory, hang the steel reinforcement cage combined；
(1-3), casting 5 concrete of lower flat plate, vibration compacting；
(1-4), before 5 concrete initial set of lower flat plate, it is laid with filling block, and with special connecting piece by itself and the lower part that is just poured
The connection of plate concrete；
(1-5), it is poured 2 concrete of longitudinal girt strip；
(1-6), component conservation, demoulding and storage.
B, to prestressed concrete bottom plate with ribbing, production method are as follows:
(1-1), by drawing dimensioned mold, production reinforcing bar, customization or processing lightweight or hollow material；
(1-2), fixed station mould or long line platform over-assemble mold in factory carry out prestressed stretch-draw, are laid with deformed bar；
(1-3), casting 5 concrete of lower flat plate, vibration compacting；
(1-4), before 5 concrete initial set of lower flat plate, it is laid with filling block, and with special connecting piece by itself and the lower part that is just poured
The connection of plate concrete；
(1-5), it is poured 2 concrete of longitudinal girt strip；
(1-6), component conservation, cutting deformed bar, demoulding and storage.
Step 2: floor construction installation, in the step specifically includes the following steps:
(2-1), it is laid with vertical temporary support, after leveling, hangs concrete inverted T-shaped bottom plate with ribbing；
(2-2), it is laid with lateral 3 stirrup of girt strip and vertical muscle, is laid with the two-way concrete slab mesh sheet that longitudinal 2 epithelium of girt strip indulges muscle and top plate 4,
And it is laid with the piece reinforced mesh between adjacent concrete inverted T-shaped bottom plate with ribbing；
Behind (2-3), stopend gap, it is poured lateral girt strip 3 and 4 concrete of top plate, vibration compacting；
After (2-4), concrete curing to prescribed strength, vertical temporary support is removed.
Claims (10)
1. reinforced concrete hollow overlaps two-way ribbed slab floor, it is characterised in that: including floor bottom mould and top plate (4), the building
Plate bed die is formed by several block concrete inverted T-shapeds bottom plate assembling combination with ribbing, and the concrete inverted T-shaped bottom plate with ribbing is by lower flat
Plate (5) and the longitudinal girt strip (2) arranged along its length is integrated poured forms, the longitudinal direction girt strip (2) is inverted T-shaped structure,
It is spaced apart along its length on the longitudinal direction girt strip (2) and is equipped with several grooves, the groove of each longitudinal girt strip is at floor bottom
It is laterally aligned and be arranged in rows on mould, form the lateral girt strip groove (11) arranged in a crossed manner with longitudinal girt strip (2), the cross rib
Lateral girt strip (3) is set in beam groove (11), and flushes and is located at the top of the top of lateral girt strip (3) and longitudinal girt strip (2)
In same plane, the transverse direction girt strip (3) and longitudinal girt strip (2) are filled with filling in the lattice that floor bottom mould is formed
Block, the top plate (4) are in-situ layer, are poured in forming reinforced concrete hollow on the floor bottom mould and lateral girt strip (3)
Overlap two-way ribbed slab floor.
2. reinforced concrete hollow according to claim 1 overlaps two-way ribbed slab floor, it is characterised in that: the concrete
Inverted T-shaped bottom plate with ribbing is normal concrete inverted T-shaped bottom plate with ribbing or prestressed concrete inverted T-shaped bottom plate with ribbing.
3. reinforced concrete hollow according to claim 1 overlaps two-way ribbed slab floor, it is characterised in that: the filling block
It is made of lightweight or hollow material.
4. reinforced concrete hollow according to claim 1 overlaps two-way ribbed slab floor, it is characterised in that: the groove is
Spaced disconnecting unit or aperture on longitudinal girt strip (2) pass through between longitudinal girt strip (2) of the disconnecting unit side adjacent thereto
Reinforcing bar connection.
5. reinforced concrete hollow according to claim 1 overlaps two-way ribbed slab floor, it is characterised in that: the longitudinal rib
Beam (2) is provided with the stirrup (7) stretched out upwards, and stirrup (7) is closed rectangle or triangle u stirrup, or is opening upwards
U tie muscle, longitudinal girt strip (2) is provided with epithelium longitudinal reinforcement (14) and hypodermis longitudinal reinforcement (8), hypodermis longitudinal direction steel
Muscle (8) stretches out at longitudinal girt strip (2) both ends, and the hypodermis longitudinal reinforcement (8) is prestressing force or non-prestressing tendon.
6. reinforced concrete hollow according to claim 1 overlaps two-way ribbed slab floor, it is characterised in that: the lower flat
Plate (5) is internally provided with two-way concrete slab mesh sheet, is provided with transverse stiffener (9) on the lower flat plate (5).
7. reinforced concrete hollow according to claim 1 overlaps two-way ribbed slab floor, it is characterised in that: the top plate
(4) two-way concrete slab mesh sheet (16) are provided in.
8. the method for construction of reinforced concrete hollow overlapping two-way ribbed slab floor described in claim 1, including following two step
It is rapid:
Step 1: production concrete inverted T-shaped bottom plate with ribbing, in the step specifically includes the following steps:
(1-1), by drawing dimensioned mold, production reinforcing bar, filling block is customized or processed；
(1-2), assembly mold are laid with reinforcing bar；
(1-3), casting lower flat plate (5) concrete, vibration compacting；
(1-4), before lower flat plate (5) concrete initial set, be laid with filling block, and with special connecting piece by its be just poured down
The connection of portion's plate concrete；
(1-5), it is poured longitudinal girt strip (2) concrete；
(1-6), component conservation, demoulding and storage；
Step 2: floor construction installation, in the step specifically includes the following steps:
(2-1), it is laid with vertical temporary support, after leveling, hangs concrete inverted T-shaped bottom plate with ribbing；
(2-2), it is laid with lateral girt strip (3) stirrup and vertical muscle, is laid with the two-way steel that longitudinal girt strip (2) epithelium indulges muscle and top plate (4)
Muscle mesh sheet, and the piece reinforced mesh being laid between adjacent concrete inverted T-shaped bottom plate with ribbing；
Behind (2-3), stopend gap, it is poured lateral girt strip (3) and top plate (4) concrete, vibration compacting；
After (2-4), concrete curing to prescribed strength, vertical temporary support is removed.
9. the method for construction of reinforced concrete hollow overlapping two-way ribbed slab floor according to claim 8, it is characterised in that:
Concrete inverted T-shaped bottom plate with ribbing described in step 1 is normal concrete inverted T-shaped bottom plate with ribbing or prestressed concrete inverted T-shaped
Bottom plate with ribbing, when its bottom plate with ribbing for normal concrete inverted T-shaped, in (1-2) step in step 1, specifically: in factory
Fixed station mould or custom mold over-assemble mold, and hang the steel reinforcement cage combined；When it is prestressed concrete inverted T-shaped band
When rib bottom plate, in (1-2) step in step 1, specifically: in the fixed station mould or long line platform over-assemble mold of factory, and it is right
Mold carries out prestressed stretch-draw, is laid with deformed bar.
10. the method for construction of reinforced concrete hollow overlapping two-way ribbed slab floor according to claim 8, feature exist
In: the filling block is made of lightweight or hollow material.
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| CN110172917A (en) * | 2019-05-26 | 2019-08-27 | 天津大学 | A kind of template system and construction method of the prefabricated wafer board of UHPC |
| CN110359615A (en) * | 2019-07-31 | 2019-10-22 | 西安建筑科技大学 | A kind of compound laminated floor slab made based on two-way rib lattice and its construction method |
| CN110485611A (en) * | 2019-08-09 | 2019-11-22 | 中建科技有限公司深圳分公司 | Precast prestressed bottom plate with ribbing and overlapping cavity body structure |
| CN111779170A (en) * | 2020-06-24 | 2020-10-16 | 天津洪晟基业建材有限公司 | Dense rib support-free unit template device and installation method |
| CN111706073A (en) * | 2020-06-29 | 2020-09-25 | 天津洪晟基业建材有限公司 | Novel one-way ribbed template and installation method |
| CN112012386A (en) * | 2020-09-04 | 2020-12-01 | 上海凯汇建筑设计有限公司 | Prefabricated bottom plate of laminated slab, laminated slab and preparation method of laminated slab |
| CN112177219A (en) * | 2020-09-28 | 2021-01-05 | 中国建筑西南设计研究院有限公司 | Manufacturing method of close-spliced hollow laminated slab |
| CN112360028A (en) * | 2020-11-18 | 2021-02-12 | 天津大学建筑设计规划研究总院有限公司 | Steel grating support-free superposed dense rib plate |
| CN112360031A (en) * | 2020-11-30 | 2021-02-12 | 祝文畏 | Ribbed hollow floor system and box body capable of improving local pressure bearing performance of plate surface and construction method of ribbed hollow floor system and box body |
| CN112878562A (en) * | 2021-01-19 | 2021-06-01 | 中国十七冶集团有限公司 | Prefabricated lattice type composite floor slab and construction method thereof |
| CN112878562B (en) * | 2021-01-19 | 2022-03-29 | 中国十七冶集团有限公司 | Prefabricated lattice type composite floor slab and construction method thereof |
| CN115839104A (en) * | 2023-02-24 | 2023-03-24 | 中建六局(天津)绿色建筑科技有限公司 | Assembly type subway station access structure and construction method thereof |
| CN116905720A (en) * | 2023-07-26 | 2023-10-20 | 安徽金鹏绿色建筑产业集团有限公司 | Floor heat-insulating sound-insulating prefabricated prestressed composite floor support plate and production device thereof |
| CN116905720B (en) * | 2023-07-26 | 2024-02-13 | 安徽金鹏绿色建筑产业集团有限公司 | Floor heat-insulating sound-insulating prefabricated prestressed composite floor support plate and production device thereof |
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