CN104712086B - Assembled type concrete hollow composite floor slab and manufacturing method thereof - Google Patents
Assembled type concrete hollow composite floor slab and manufacturing method thereof Download PDFInfo
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- CN104712086B CN104712086B CN201510131441.XA CN201510131441A CN104712086B CN 104712086 B CN104712086 B CN 104712086B CN 201510131441 A CN201510131441 A CN 201510131441A CN 104712086 B CN104712086 B CN 104712086B
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- 239000004567 concrete Substances 0.000 title claims abstract description 61
- 238000004519 manufacturing process Methods 0.000 title abstract description 8
- 239000002131 composite material Substances 0.000 title abstract 6
- 238000010276 construction Methods 0.000 claims abstract description 16
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 14
- 239000010959 steel Substances 0.000 claims abstract description 14
- 239000011178 precast concrete Substances 0.000 claims description 81
- 230000002787 reinforcement Effects 0.000 claims description 69
- 238000011065 in-situ storage Methods 0.000 claims description 12
- 230000003014 reinforcing effect Effects 0.000 claims description 9
- 239000002002 slurry Substances 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 238000012423 maintenance Methods 0.000 claims description 6
- 210000003205 muscle Anatomy 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 5
- 238000002360 preparation method Methods 0.000 claims description 5
- 239000002689 soil Substances 0.000 claims description 4
- 238000009416 shuttering Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 4
- 239000004568 cement Substances 0.000 abstract 1
- 239000011513 prestressed concrete Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011083 cement mortar Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009415 formwork Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000011505 plaster Substances 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
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Abstract
The invention discloses an assembled type concrete hollow composite floor slab and manufacturing method thereof and belongs to the field of construction engineering. The assembled type concrete hollow composite floor slab comprises a prefabricated concrete hollow batten, cast-in-place concrete, a bottom steel bar in a hollow hole, a hogging moment steel bar in a hollow hole, a bottom steel bar at a seam of the batten, a top hogging moment steel bar at a seam of the batten and neat cement. The prefabricated concrete hollow batten comprises a bottom steel bar, a hogging moment steel bar, an erected steel bar, a transverse hollow hole, an end rabbet groove and prefabricated concrete. The short span direction of the slab is taken as the length direction of the prefabricated concrete hollow batten, and the assembled type concrete hollow composite floor slab is designed according to the current 'concrete structure design standards' GB50010 and comprises the prefabricated concrete hollow batten. The assembled type concrete hollow composite floor slab and manufacturing method thereof are simple in production process and equipment, the quality of the prefabricated batten is easily guaranteed, and the prefabricated batten is high in rigidity and strength and convenient to convey, only a few construction procedures of the slab are needed, and the assembled type concrete hollow composite floor slab is high in construction efficiency, good in appearance quality, flat and clean, improves the work environment and reduces the engineering construction cost.
Description
Technical field
The invention belongs to building engineering field, the hollow laminated floor slab of more particularly to a kind of assembly concrete and its making
Method.
Background technology
Architectural engineering reinforced concrete slab, the now widely used state having China Inst of Architectural Standard Design chief editor
Family's standard design drawing collection " prestressed concrete overlapped slab " (06sg439-1), the thick prestressed concrete overlapping of 50mm and 60mm
Plate, the rigidity of this plate poor it is desirable to add support in work progress, and support ratio comparatively dense, increased construction cost, in advance
Component conveying process processed is subject to destroy;" pk is pre- for Hunan Province's standard design drawing collection of Structural Engineering research institute of Hunan University chief editor
Prestressed concrete superimposed sheet " (2005 Hunan jg/b-001), it is a kind of reasonable superimposed sheet, the tee section of falling t increased superimposed sheet
Rigidity, the simply slightly aobvious complexity of production process, overlapping plate top surface scene leveling quality defect;People's Republic of China's building industry
Professional standard " steel bar truss floor support plate " (jg/t368-2012), this floor utilizes top rebars pressurized, significantly increases steel
Muscle consumption, increased construction cost.
Content of the invention
The technical problem to be solved is: provides a kind of hollow laminated floor slab of assembly concrete and its making side
Method, its production technology and equipment are simple, and prefabricated components rigidity is big, be easy to handling installs, and reduces operation, improve in work progress
Efficiency of construction, presentation quality is good, smooth cleaning, improves construction working environment, can reduce engineering construction cost simultaneously again.
A kind of hollow laminated floor slab of assembly concrete, is characterized in that: includes precast concrete hollow lath, cast in situs
Concrete, floor long span direction bottom reinforcement bars, floor long span direction top support negative reinforcement, edge joint position bottom reinforcement bars,
Edge joint position top support negative reinforcement and plain-water slurry;
Described precast concrete hollow lath includes bottom reinforcement bars, top support negative reinforcement, cableway, laterally sky
Heart hole, rabbet groove and precast concrete;Described bottom reinforcement bars is two or more, is arranged on assembly concrete hollow
The short bottom in the precast concrete hollow lath in direction of laminated floor slab;Described top support negative reinforcement is two or two
More than individual, it is arranged on the short top in the precast concrete hollow lath in direction of the hollow laminated floor slab of assembly concrete;Institute
Stating cableway is two or more, is used for fixing bottom reinforcement bars and top support negative reinforcement;Described laterally hollow
Hole is two or more;Described rabbet groove is arranged on the side of the bar shaped length direction end of precast concrete hollow lath;
Described precast concrete is filled in the inside of precast concrete hollow lath;
Described floor long span direction bottom reinforcement bars, floor long span direction top support negative reinforcement, edge joint position bottom steel
Muscle and edge joint position top support negative reinforcement are two or more, be arranged at cast in situs concrete interior
Portion;Described plain-water slurry smears piece position between one or more precast concrete hollow laths for the closure.
A kind of preparation method of the hollow laminated floor slab of assembly concrete, is characterized in that realizing by following steps:
Step one, the making of precast concrete hollow lath
According to the relative dimensions of the structure design of precast concrete hollow lath, arrange bottom and Side shuttering, colligation bottom
Portion's reinforcing bar two or more and cableway two or more, insert the one-tenth punch die two or two of horizontal hollow hole
More than individual;Colligation top support negative reinforcement two or more and cableway two or more;Pour prefabricated
Concrete, removes one-tenth punch die and the side form of horizontal hollow hole before precast concrete final set, reaches to precast concrete through maintenance
The demoulding stacking to after intensity;
The installation of the hollow laminated floor slab of step 2, assembly concrete and construction
According to the relative dimensions of assembly concrete hollow laminated floor slab design, arrange the template at floor bearing and prop up
Support, hang precast concrete hollow lath two or more;In the bottom of precast concrete hollow lath piece position, apply
Smear plain-water slurry closure plate stitch;In edge joint position, colligation edge joint position bottom reinforcement bars one or more;Hollow in precast concrete
In the horizontal hollow hole of batten, it is close to the centre position of horizontal hollow hole bottom, colligation floor long span direction bottom reinforcement bars two
Or two or more;In the horizontal hollow hole of precast concrete hollow lath, it is close to the centre position at horizontal hollow hole top, tie up
Prick floor long span direction top support negative reinforcement two or more;In edge joint position, colligation edge joint position top support is born
Moment at support one or more;Pour the concrete of cast in situs, reach after intensity through maintenance to poured in place concrete,
Remove the template at bearing and support.
Described precast concrete hollow lath is concrete slab or the prestressed concrete plate with horizontal hollow hole.
By such scheme, the present invention can bring following beneficial effect: a kind of hollow laminated floor slab of assembly concrete
And preparation method thereof, the rigidity of precast concrete hollow lath is big, is readily transported and construction and installation;Production technology and equipment letter
Single;The formwork of floor and assembling reinforcement workload are few, need not plaster, and the colligation quality of reinforcing bar is easily guaranteed that, work efficiency improves;Floor
Presentation quality is good, smooth cleaning, construction working enhancement of environment;Engineering construction cost reduces;Energy-conserving and environment-protective, saving material disappear
Consumption.
Brief description
Below in conjunction with the drawings and specific embodiments, the present invention is further illustrated:
Fig. 1 is precast concrete hollow lath floor map.
Fig. 2 is precast concrete hollow lath-generalized section.
Fig. 3 is precast concrete hollow lath-generalized section.
Fig. 4 is assembly concrete hollow laminated floor slab floor map.
Fig. 5 is the hollow laminated floor slab-generalized section of assembly concrete.
Fig. 6 is the hollow laminated floor slab-generalized section of assembly concrete.
Fig. 7 is the hollow laminated floor slab-generalized section of assembly concrete.
Fig. 8 is the partial enlarged drawing a of the hollow laminated floor slab-section of assembly concrete.
Fig. 9 is the partial enlarged drawing b of the hollow laminated floor slab-section of assembly concrete.
Figure 10 is assembly concrete hollow laminated floor slab reinforcing bar legend.
In figure 1- precast concrete hollow lath, 2- bottom reinforcement bars, 3- top support negative reinforcement, 4- cableway,
The horizontal hollow hole of 5-, 6- rabbet groove, 7- precast concrete, the concrete of 8- cast in situs, 9- floor long span direction bottom reinforcement bars,
10- floor long span direction top support negative reinforcement, 11- edge joint position bottom reinforcement bars, 12- edge joint position top support hogging moment steel
Reinforcing bar longitudinal direction view, 16- in bar cross section view in muscle, 13- plain-water slurry, 14- precast concrete, 15- precast concrete
The reinforcement in concrete viewgraph of cross-section of cast in situs, the reinforcement in concrete longitudinal direction view of 17- cast in situs.
Specific embodiment
Hollow laminated floor slab of a kind of assembly concrete and preparation method thereof, as shown in Fig. 4~Fig. 9, take floor short across
Direction is the length direction of precast concrete hollow lath 1, pre- according to existing " Code for design of concrete structures " gb50010 design
The hollow laminated floor slab of assembly concrete processed simultaneously includes precast concrete hollow lath (1), when the span phase of floor both direction
Deng when, desirable any one party to as floor short across direction, the other direction then long span direction as floor.Including prefabricated mixed
Solidifying soil hollow lath 1, the concrete eight of cast in situs, floor long span direction bottom reinforcement bars 9, floor long span direction top support are born
Moment at support 10, edge joint position bottom reinforcement bars 11, edge joint position top support negative reinforcement 12 and plain-water slurry 13.
Described precast concrete hollow lath 1, as shown in FIG. 1 to 3, including bottom reinforcement bars 2, top support hogging moment steel
Muscle 3, cableway 4, horizontal hollow hole 5, rabbet groove 6 and precast concrete 7;Described bottom reinforcement bars 2 be two or two with
On, it is arranged on the short bottom in the precast concrete hollow lath 1 in direction of concrete hollow laminated floor slab;Described top support
Negative reinforcement 3 is two or more, is arranged on the short precast concrete across direction of concrete hollow laminated floor slab hollow
Top in batten 1;Described cableway 4 is two or more, is used for fixing bottom reinforcement bars 2 and top support hogging moment
Reinforcing bar 3;Described horizontal hollow hole 5 is two or more;Described rabbet groove 6 is arranged on precast concrete hollow lath 1
The side of bar shaped length direction end;Described precast concrete 7 is filled in the inside of precast concrete hollow lath 1;
Described floor long span direction bottom reinforcement bars 9 is two or more, is arranged on precast concrete hollow lath
Laterally in hollow hole, floor long span direction bottom reinforcement bars 9 is close to the position in the middle of bottom;Described floor long span direction top support
Negative reinforcement 10 is two or more, is arranged in the horizontal hollow hole of precast concrete hollow lath, floor long span
Direction top support negative reinforcement 10 is close to the position of crown center, is proximate to the position of bearing simultaneously again;Described prefabricated mixed
Solidifying soil hollow lath edge joint position bottom reinforcement bars 11 is one or more, is arranged on precast concrete hollow lath edge joint position
Bottom;Described precast concrete hollow lath edge joint position top support negative reinforcement 12 is one or more, is arranged on
Precast concrete hollow lath edge joint position, top near bearing for the edge joint position top support negative reinforcement 12;Described element
Cement mortar 13, smears closure in the bottom of one or more piece positions of precast concrete hollow lath 1.
A is the length of precast concrete hollow lath 1;
B is the center distance of two neighboring horizontal hollow hole 5;
C is the size at the centre-to-centre spacing plate end of precast concrete hollow lath 1 end cross hollow hole 5;
D is the diameter of horizontal hollow hole 5;
E is the bottom width of precast concrete hollow lath 1;
F is the spacing of bottom reinforcement bars 2 or top support negative reinforcement 3 in precast concrete hollow lath 1;
G is for the outermost bottom reinforcement bars 2 of precast concrete hollow lath 1 or top support negative reinforcement 3 away from top surface side
The size of edge;
H is precast concrete hollow lath 1 width top surface outward flange away from the outer peripheral size in bottom surface;
J is the thickness of precast concrete hollow lath 1;
K is the plan vertical face section height of precast concrete hollow lath 1 length direction side;
M is the middle bevels section vertical height of precast concrete hollow lath 1 length direction side;
N is the bottom vertical plane section height of precast concrete hollow lath 1 length direction side;
P is the spacing of adjacent two cableways 4;
Q stretches out the length at plate end for precast concrete hollow lath 1 bottom reinforcement bars 2;
R stretches out the length at plate end for precast concrete hollow lath 1 top support negative reinforcement 3;
S is the clear distance of 1 bottom sides section of two pieces of precast concrete hollow laths;
T is the clear distance of 1 top-side section of two pieces of precast concrete hollow laths;
U is the size away from bearing center for the floor clear span end;
V is the size away from precast concrete batten 1 bottom outer edge for the floor clear span end;
W is the span in the short direction of floor;
X is the span of floor length direction.
As shown in Fig. 1~Figure 10, the concrete operation step of the present invention is as follows,
Step one, the making of precast concrete hollow lath 1
According to the above-mentioned relative dimensions a~r of structure design, arrange bottom and Side shuttering, colligation bottom reinforcement bars 2 two or
Two or more and cableway 4 two or more, the spacing of bottom reinforcement bars 2 is f, and the spacing of cableway 4 is p;Insert
Laterally the one-tenth punch die of hollow hole 5 two or more, a diameter of d of horizontal hollow hole 5, center distance is b;Colligation top
Negative moment of backing plate reinforcing bar 3 two or more and cableway 4 two or more, top support negative reinforcement 3
Spacing is f, and the spacing of cableway 4 is p;Pour precast concrete 7, remove horizontal hollow hole 5 before precast concrete 7 final set
One-tenth punch die and side form, reach demoulding stacking after intensity through maintenance to precast concrete 7.Precast concrete hollow lath 1
Production process completes.
The installation of the hollow laminated floor slab of step 2, assembly concrete and construction
According to assembly concrete hollow laminated floor slab design relative dimensions s~x, arrangement floor bearing at template and
Support, hang precast concrete hollow lath 1 two or more;Piece position between precast concrete hollow lath 1
Bottom, smear plain-water slurry 13 closure plate stitch;In edge joint position, colligation edge joint position bottom reinforcement bars 11 one or more;?
In the horizontal hollow hole 5 of precast concrete hollow lath 1, it is close to the centre position of horizontal hollow hole 5 bottom, colligation floor long span
Direction bottom reinforcement bars 9 two or more, the spacing of floor long span direction bottom reinforcement bars 9 is b;In precast concrete hollow strips
In the horizontal hollow hole 5 of plate 1, it is close to the centre position at horizontal hollow hole 5 top, colligation floor long span direction top support is born curved
Square reinforcing bar 10 two or more, the spacing of floor long span direction top support negative reinforcement 10 is b;In edge joint position, tie up
Prick floor edge joint position top support negative reinforcement 12 one or more;Pour the concrete eight of cast in situs, through maintenance extremely
Concrete eight removes template and the support at bearing after reaching intensity.The installation of the hollow laminated floor slab of assembly concrete and construction
Complete.
Claims (1)
1. the preparation method of the hollow laminated floor slab of a kind of assembly concrete, is characterized in that:
The hollow laminated floor slab of assembly concrete, including precast concrete hollow lath (1), the concrete (8) of cast in situs, building
Plate long span direction bottom reinforcement bars (9), floor long span direction top support negative reinforcement (10), edge joint position bottom reinforcement bars (11),
Edge joint position top support negative reinforcement (12) and plain-water slurry (13);
Described precast concrete hollow lath (1) includes bottom reinforcement bars (2), top support negative reinforcement (3), cableway
(4), horizontal hollow hole (5), rabbet groove (6) and precast concrete (7);Described bottom reinforcement bars (2) is two or more,
It is arranged on the short bottom in the precast concrete hollow lath (1) in direction of the hollow laminated floor slab of assembly concrete;Described top
Portion's negative moment of backing plate reinforcing bar (3) is two or more, be arranged on the hollow laminated floor slab of assembly concrete short across direction
Top in precast concrete hollow lath (1);Described cableway (4) is two or more, is used for fixing bottom steel
Muscle (2) and top support negative reinforcement (3);Described horizontal hollow hole (5) is two or more;Described rabbet groove (6)
It is arranged on the side of the bar shaped length direction end of precast concrete hollow lath (1);Described precast concrete (7) is filled in prefabricated
The inside of concrete hollow batten (1);
Described floor long span direction bottom reinforcement bars (9), floor long span direction top support negative reinforcement (10), edge joint position bottom
Reinforcing bar (11) and edge joint position top support negative reinforcement (12) are two or more, are arranged at the mixed of cast in situs
The inside of solidifying soil (8);Described plain-water slurry (13) smear closure one or more precast concrete hollow laths (1) it
Between piece position.
Realized by following steps
Step one, the making of precast concrete hollow lath (1)
According to the relative dimensions of precast concrete hollow lath (1) structure design, arrange bottom and Side shuttering, colligation bottom steel
Muscle (2) two or more and cableway (4) two or more, insert the one-tenth punch die two of horizontal hollow hole (5)
Individual or two or more;(4) two or two, colligation top support negative reinforcement (3) two or more and cableway with
On;Pour precast concrete (7), remove one-tenth punch die and the side form of horizontal hollow hole (5) before precast concrete (7) final set,
Reach demoulding stacking after intensity through maintenance to precast concrete (7).
The installation of the hollow laminated floor slab of step 2, assembly concrete and construction
According to the relative dimensions of assembly concrete hollow laminated floor slab design, the template at arrangement floor bearing and support, hang
Put precast concrete hollow lath (1) two or more;In the bottom of precast concrete hollow lath (1) piece position,
Smear plain-water slurry (13) closure plate stitch;In edge joint position, colligation edge joint position bottom reinforcement bars (11) one or more;Prefabricated
In the horizontal hollow hole (5) of concrete hollow batten (1), it is close to the centre position of horizontal hollow hole (5) bottom, colligation floor is long
Across direction bottom reinforcement bars (9) two or more;In the horizontal hollow hole (5) of precast concrete hollow lath (1), it is close to
The laterally centre position at hollow hole (5) top, colligation floor long span direction top support negative reinforcement (10) two or two
More than;In edge joint position, colligation edge joint position top support negative reinforcement (12) one or more;Pour the mixed of cast in situs
Solidifying soil (8), the concrete (8) through maintenance to cast in situs reaches after intensity, removes the template at bearing and support.
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CN104963442B (en) * | 2015-06-26 | 2017-07-18 | 张玉华 | Hollow lath, the rib floor using hollow lath and construction formwork system |
CN105155855A (en) * | 2015-09-11 | 2015-12-16 | 孟凡林 | Arrangement method of short-span negative-moment reinforcing steel bars of assembled core post-grouted concrete plates |
CN106996151B (en) * | 2017-05-27 | 2022-08-30 | 北京集简筑成科技有限公司 | Mounting structure suitable for fixing external hanging type wallboard |
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 |
CN108005235A (en) * | 2017-12-19 | 2018-05-08 | 浙江绿筑集成科技有限公司 | A kind of connection method of two Span Continuous formula floor |
CN111395543A (en) * | 2020-03-10 | 2020-07-10 | 西安理工大学 | Assembly type steel structure beam-plate connecting structure adopting wave-folded perforated plate connecting piece |
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CN2713042Y (en) * | 2004-06-16 | 2005-07-27 | 吴方伯 | Reinforced concrete split floor slab |
KR20050080092A (en) * | 2005-07-11 | 2005-08-11 | 박창순 | Partial embedded composite bottom plate system using perforated steel sheet as shear connector |
CN201358535Y (en) * | 2009-02-09 | 2009-12-09 | 刘馨裕 | Prefabricated slab used for cast-in-situ floorslab |
CN102002998B (en) * | 2010-10-26 | 2012-05-09 | 吴方伯 | Ribbed reinforced concrete prefabricated member slab |
CN102061803B (en) * | 2010-11-26 | 2012-05-23 | 清华大学建筑设计研究院 | Shear wall structure building based on cross-hole prefabricated reinforced concrete template and construction method thereof |
CN103953147B (en) * | 2014-04-29 | 2017-01-04 | 清华大学 | Two-way superimposed sheet of pin-connected panel steel bar truss |
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Effective date of registration: 20190202 Address after: 545000 Bailu District A-1-1, Liubei District, Liuzhou City, Guangxi Zhuang Autonomous Region Patentee after: Guangxi construction engineering track assembly construction industry Co., Ltd. Address before: 130061 Room 405, four building, Star Street, 2577 building street, Changchun, Jilin. Patentee before: Meng Fanlin |