CN104712086A - 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 PDF

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Publication number
CN104712086A
CN104712086A CN201510131441.XA CN201510131441A CN104712086A CN 104712086 A CN104712086 A CN 104712086A CN 201510131441 A CN201510131441 A CN 201510131441A CN 104712086 A CN104712086 A CN 104712086A
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precast concrete
hollow
reinforcement
concrete
concrete hollow
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CN201510131441.XA
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CN104712086B (en
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孟凡林
孟祥瑞
付萍
孟锦
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Guangxi construction engineering track assembly construction industry Co., Ltd.
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孟凡林
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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

Hollow laminated floor slab of a kind of assembly concrete and preparation method thereof
Technical field
The invention belongs to building engineering field, particularly relate to hollow laminated floor slab of a kind of assembly concrete and preparation method thereof.
Background technology
Construction work reinforced concrete slab, now widely used national standard design atlas " prestressed concrete overlapped slab " (06SG439-1) having China Inst of Architectural Standard Design to edit, the prestressed concrete overlapped slab that 50mm and 60mm is thick, the rigidity of this plate is poor, require to add support in work progress, and support than comparatively dense, add construction cost, prefabricated units transportation is subject to destruction; Hunan Province's type design atlas " PK prestressed concrete overlapped slab " (2005 Hunan JG/B-001) of Structural Engineering research institute of Hunan University chief editor, it is a kind of reasonable superimposed sheet, inverted T-shaped cross section adds the rigidity of superimposed sheet, just manufacturing process is slightly aobvious complicated, superimposed sheet end face scene leveling quality defect; People's Republic of China (PRC) construction industry industry standard " steel bar truss floor support plate " (JG/T368-2012), this floor utilizes top rebars pressurized, significantly increases amount of reinforcement, adds construction cost.
Summary of the invention
Technical problem to be solved by this invention is: provide hollow laminated floor slab of a kind of assembly concrete and preparation method thereof, its production technology and equipment simple, prefabricated units rigidity is large, be convenient to handling installs, operation is reduced in work progress, improve efficiency of construction, presentation quality is good, smooth clean, improves construction working environment, can reduce engineering construction cost again simultaneously.
The hollow laminated floor slab of a kind of assembly concrete, is characterized in that: comprise precast concrete hollow lath, the concrete of cast in situs, 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 comprises bottom reinforcement bars, top support negative reinforcement, handling reinforcement, horizontal hollow hole, rabbet groove and precast concrete; Described bottom reinforcement bars is two or more, is arranged on the hollow laminated floor slab of assembly concrete short in the bottom in the precast concrete hollow lath in direction; Described top support negative reinforcement is two or more, is arranged on the hollow laminated floor slab of assembly concrete short in the top in the precast concrete hollow lath in direction; Described handling reinforcement is two or more, for solid bottom reinforcing bar and top support negative reinforcement; Described horizontal 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 reinforcement bars and edge joint position top support negative reinforcement are two or more, are all arranged on the concrete inside of cast in situs; Described plain-water slurry smears the piece position of shutoff between one or more precast concrete hollow laths.
A preparation method for the hollow laminated floor slab of assembly concrete, is characterized in that being realized by following steps:
The making of step one, 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 reinforcement bars two or more and handling reinforcement two or more, insert horizontal hollow hole one-tenth punch die two or more; Colligation top support negative reinforcement two or more and handling reinforcement two or more; Build precast concrete, before precast concrete final set, remove one-tenth punch die and the side form of horizontal hollow hole, reach demoulding stacking after intensity through maintenance to precast concrete;
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 formwork and formwork supports at floor bearing place, hang precast concrete hollow lath two or more; In the bottom of precast concrete hollow lath piece position, smear plain-water slurry plugging plate seam; At edge joint position, colligation edge joint position bottom reinforcement bars one or more; In the horizontal hollow hole of precast concrete hollow lath, be close to the centre position bottom horizontal hollow hole, colligation floor long span direction bottom reinforcement bars two or more; In the horizontal hollow hole of precast concrete hollow lath, be close to the centre position at horizontal hollow hole top, colligation floor long span direction top support negative reinforcement two or more; At edge joint position, colligation edge joint position top support negative reinforcement one or more; Build the concrete of cast in situs, after maintenance to poured in place concrete reaches intensity, remove the formwork and formwork supports at bearing place.
Described precast concrete hollow lath is concrete slab with horizontal hollow hole or prestressed concrete plate.
By such scheme, the present invention can bring following beneficial effect: hollow laminated floor slab of a kind of assembly concrete and preparation method thereof, and the rigidity of precast concrete hollow lath is large, is convenient to transport and construction and installation; Production technology and equipment simple; Formwork and the assembling reinforcement workload of floor are few, without the need to plastering, the colligation quality of reinforcing bar easily ensures, work efficiency improves; The presentation quality of floor is good, smooth clean, construction working enhancement of environment; Engineering construction cost reduces; Energy-conserving and environment-protective, saving material consumption.
Accompanying drawing explanation
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 I-I generalized section.
Fig. 3 is precast concrete hollow lath II-II generalized section.
Fig. 4 is the hollow laminated floor slab floor map of assembly concrete.
Fig. 5 is assembly concrete hollow laminated floor slab III-III generalized section.
Fig. 6 is assembly concrete hollow laminated floor slab IV-IV generalized section.
Fig. 7 is assembly concrete hollow laminated floor slab V-V generalized section.
Fig. 8 is the partial enlarged drawing A of assembly concrete hollow laminated floor slab III-III section.
Fig. 9 is the partial enlarged drawing B of assembly concrete hollow laminated floor slab V-V section.
Figure 10 is assembly concrete hollow laminated floor slab reinforcing bar legend.
1-precast concrete hollow lath in figure, 2-bottom reinforcement bars, 3-top support negative reinforcement, 4-handling reinforcement, 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 negative reinforcement, 13-plain-water slurry, bar cross section view in 14-precast concrete, the longitudinal view of reinforcing bar in 15-precast concrete, the reinforcement in concrete viewgraph of cross-section of 16-cast in situs, the longitudinal view of reinforcement in concrete of 17-cast in situs.
Detailed description of the invention
Hollow laminated floor slab of a kind of assembly concrete and preparation method thereof, as shown in Fig. 4 ~ Fig. 9, get floor short be the length direction of precast concrete hollow lath 1 across direction, design the hollow laminated floor slab of prefabricated assembled concrete according to existing " Code for design of concrete structures " GB50010 and comprise precast concrete hollow lath (1), when the span of floor both direction is equal, desirable any one party is to being used as the short in direction of floor, and other direction is then used as the long span direction of floor.Comprise precast concrete hollow lath 1, the concrete eight of cast in situs, floor 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, as shown in FIG. 1 to 3, comprises bottom reinforcement bars 2, top support negative reinforcement 3, handling reinforcement 4, horizontal hollow hole 5, rabbet groove 6 and precast concrete 7; Described bottom reinforcement bars 2 is two or more, is arranged on concrete hollow laminated floor slab short in the bottom in the precast concrete hollow lath 1 in direction; Described top support negative reinforcement 3 is two or more, is arranged on concrete hollow laminated floor slab short in the top in the precast concrete hollow lath 1 in direction; Described handling reinforcement 4 is two or more, for solid bottom reinforcing bar 2 and top support negative reinforcement 3; Described horizontal hollow hole 5 is two or more; Described rabbet groove 6 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 the inside of precast concrete hollow lath 1;
Described floor long span direction bottom reinforcement bars 9 is two or more, is arranged in the horizontal hollow hole of precast concrete hollow lath, and 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, be 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 again the position near bearing simultaneously; Described precast concrete hollow lath edge joint position bottom reinforcement bars 11 is one or more, is arranged on the bottom of precast concrete hollow lath edge joint position; 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, the top of edge joint position top support negative reinforcement 12 near bearing; Described plain-water slurry 13, smears shutoff 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 adjacent two horizontal hollow holes 5;
C is the size of the center to center distance 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 the outermost bottom reinforcement bars 2 of precast concrete hollow lath 1 or top support negative reinforcement 3 size apart from top edge;
H is that precast concrete hollow lath 1 width end face outward flange is apart 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 face section height of precast concrete hollow lath 1 length direction side;
P is the spacing of adjacent two handling reinforcements 4;
Q is the length that precast concrete hollow lath 1 bottom reinforcement bars 2 stretches out plate end;
R is the length that precast concrete hollow lath 1 top support negative reinforcement 3 stretches out plate end;
S is the clear distance of two pieces of precast concrete hollow laths, 1 bottom sides section;
T is the clear distance of two pieces of precast concrete hollow laths, 1 top-side section;
U is the size of floor clear span end apart from bearing center;
V is the size of floor clear span end apart from precast concrete batten 1 bottom outer edge;
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, concrete operation step of the present invention is as follows,
The making of step one, 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 more and handling reinforcement 4 two or more, the spacing of bottom reinforcement bars 2 is f, and the spacing of handling reinforcement 4 is p; Insert horizontal hollow hole 5 one-tenth punch die two or more, the diameter of horizontal hollow hole 5 is d, and center distance is b; Colligation top support negative reinforcement 3 two or more and handling reinforcement 4 two or more, the spacing of top support negative reinforcement 3 is f, and the spacing of handling reinforcement 4 is p; Build precast concrete 7, before precast concrete 7 final set, remove one-tenth punch die and the side form of horizontal hollow hole 5, reach demoulding stacking after intensity through maintenance to precast concrete 7.The production process of precast concrete hollow lath 1 completes.
The installation of the hollow laminated floor slab of step 2, assembly concrete and construction
According to the relative dimensions s ~ x of assembly concrete hollow laminated floor slab design, arrange the formwork and formwork supports at floor bearing place, hang precast concrete hollow lath 1 two or more; The bottom of piece position between precast concrete hollow lath 1, smears plain-water slurry 13 plugging plate seam; At 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, be close to the centre position bottom horizontal hollow hole 5, 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 the horizontal hollow hole 5 of precast concrete hollow lath 1, be close to the centre position at horizontal hollow hole 5 top, colligation floor long span direction top support negative reinforcement 10 two or more, the spacing of floor long span direction top support negative reinforcement 10 is b; At edge joint position, colligation floor edge joint position top support negative reinforcement 12 one or more; Build the concrete eight of cast in situs, reach through maintenance to concrete eight the formwork and formwork supports removing bearing place after intensity.Namely the installation of the hollow laminated floor slab of assembly concrete completes with construction.

Claims (3)

1. the hollow laminated floor slab of assembly concrete, is characterized in that: comprise precast concrete hollow lath (1), the concrete (8) of cast in situs, floor 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) comprises bottom reinforcement bars (2), top support negative reinforcement (3), handling reinforcement (4), horizontal hollow hole (5), rabbet groove (6) and precast concrete (7); Described bottom reinforcement bars (2) is two or more, is arranged on the hollow laminated floor slab of assembly concrete short in the bottom in the precast concrete hollow lath (1) in direction; Described top support negative reinforcement (3) is two or more, is arranged on the hollow laminated floor slab of assembly concrete short in the top in the precast concrete hollow lath (1) in direction; Described handling reinforcement (4) is two or more, for solid bottom reinforcing bar (2) and top support negative reinforcement (3); Described horizontal hollow hole (5) is two or more; Described rabbet groove (6) 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 the inside of precast concrete hollow lath (1);
Described floor long span direction bottom reinforcement bars (9), floor long span direction top support negative reinforcement (10), edge joint position bottom reinforcement bars (11) and edge joint position top support negative reinforcement (12) are two or more, are all arranged on the inside of the concrete (8) of cast in situs; Described plain-water slurry (13) smears the piece position of shutoff between one or more precast concrete hollow laths (1).
2. a preparation method for the hollow laminated floor slab of assembly concrete, is characterized in that being realized by following steps:
The making of step one, 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 reinforcement bars (2) two or more and handling reinforcement (4) two or more, insert horizontal hollow hole (5) one-tenth punch die two or more; Colligation top support negative reinforcement (3) two or more and handling reinforcement (4) two or more; Build precast concrete (7), before precast concrete (7) final set, remove one-tenth punch die and the side form of horizontal hollow hole (5), 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, arrange the formwork and formwork supports at floor bearing place, hang precast concrete hollow lath (1) two or more; In the bottom of precast concrete hollow lath (1) piece position, smear plain-water slurry (13) plugging plate seam; At 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), be close to horizontal hollow hole (5) bottom centre position, colligation floor long span direction bottom reinforcement bars (9) two or more; In the horizontal hollow hole (5) of precast concrete hollow lath (1), be close to the centre position at horizontal hollow hole (5) top, colligation floor long span direction top support negative reinforcement (10) two or more; At edge joint position, colligation edge joint position top support negative reinforcement (12) one or more; Build the concrete (8) of cast in situs, after maintenance to the concrete (8) of cast in situs reaches intensity, remove the formwork and formwork supports at bearing place.
3. hollow laminated floor slab of a kind of assembly concrete according to claim 1 and 2 and preparation method thereof, is characterized in that: described precast concrete hollow lath (1) is concrete slab with horizontal hollow hole (5) or prestressed concrete plate.
CN201510131441.XA 2015-03-25 2015-03-25 Assembled type concrete hollow composite floor slab and manufacturing method thereof Active CN104712086B (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104963442A (en) * 2015-06-26 2015-10-07 张玉华 Hollow ribbon board, ribbed slab with hollow ribbon boards and construction formwork system with hollow ribbon boards
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
CN106996151A (en) * 2017-05-27 2017-08-01 马林 Mounting structure suitable for fixed external hanging type wallboard
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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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN102002998A (en) * 2010-10-26 2011-04-06 吴方伯 Ribbed reinforced concrete prefabricated member slab
CN102061803A (en) * 2010-11-26 2011-05-18 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
CN103953147A (en) * 2014-04-29 2014-07-30 清华大学 Two-way sandwich panel for split mounting type reinforcing bar girder

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN102002998A (en) * 2010-10-26 2011-04-06 吴方伯 Ribbed reinforced concrete prefabricated member slab
CN102061803A (en) * 2010-11-26 2011-05-18 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
CN103953147A (en) * 2014-04-29 2014-07-30 清华大学 Two-way sandwich panel for split mounting type reinforcing bar girder

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104963442A (en) * 2015-06-26 2015-10-07 张玉华 Hollow ribbon board, ribbed slab with hollow ribbon boards and construction formwork system with hollow ribbon boards
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
CN106996151A (en) * 2017-05-27 2017-08-01 马林 Mounting structure suitable for fixed external hanging type wallboard
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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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