CN102287023B - Construction method for reinforced concrete laminated floor slab - Google Patents
Construction method for reinforced concrete laminated floor slab Download PDFInfo
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- CN102287023B CN102287023B CN 201110256611 CN201110256611A CN102287023B CN 102287023 B CN102287023 B CN 102287023B CN 201110256611 CN201110256611 CN 201110256611 CN 201110256611 A CN201110256611 A CN 201110256611A CN 102287023 B CN102287023 B CN 102287023B
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- 239000011150 reinforced concrete Substances 0.000 title claims abstract description 27
- 238000010276 construction Methods 0.000 title abstract description 11
- 239000004567 concrete Substances 0.000 claims abstract description 27
- 230000000149 penetrating effect Effects 0.000 claims description 16
- 230000002787 reinforcement Effects 0.000 claims description 12
- 239000002184 metal Substances 0.000 claims description 11
- 238000000034 method Methods 0.000 abstract description 3
- 229910000831 Steel Inorganic materials 0.000 abstract 3
- 239000010959 steel Substances 0.000 abstract 3
- 101100334009 Caenorhabditis elegans rib-2 gene Proteins 0.000 description 14
- 238000010586 diagram Methods 0.000 description 11
- 238000005452 bending Methods 0.000 description 4
- 244000273618 Sphenoclea zeylanica Species 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009415 formwork Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000009877 rendering Methods 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
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Abstract
The invention discloses a construction method for a reinforced concrete laminated floor slab. The reinforced concrete laminated floor slab comprises a prefabricated ribbed component plate (12), transverse steel bars (9) and a concrete laminated layer (10), wherein the prefabricated component plate comprises a bottom plate (1), vertical ribs (2) and transverse through holes (8) arranged on the vertical ribs. The construction method of the laminated floor slab comprises the following steps that: the prefabricated ribbed component plate (12) is erected on a support object; the transverse steel bars (9) are paved on the upper parts and the lower parts of the transverse through holes (8); connecting rods are fixed on the tops of the vertical ribs (2) of the prefabricated ribbed component plate (12) through fasteners, and the laminated layer concrete (10) is cast in a position aligned with the top surfaces of the vertical ribs (2); or the laminated layer concrete (10) is firstly cast in a position aligned with the top surface of the vertical ribs (2), and then, the connecting rods are fixed on the top of the ribbed component plate (12) through fasteners; and after the laminated layer concrete (10) reaches the required intensity, the connecting rods and the fasteners are dismounted for forming the steel bar concrete laminated floor slab. The top of the laminated floor slab has good smoothness, the integrity is good, the rigidity is high, the carrying force is strong, and the construction work procedure is simple.
Description
Technical field:
The present invention relates to the realm of building construction, specifically refer to a kind of job practices of reinforced concrete sandwich floor.
Background technology:
At present, some highrise buildings adopt laminated floor slab, and easy construction does not need on-the-spot formwork, and cost is relatively low, lifting, convenient transportation.The overlapping layers concrete of the laminated floor slab that adopts generally is higher than the vertical rib end face cast of prefabricated panels with ribbing, and concrete amount is bigger, and floor slab tops ftractures easily.The lateral direction penetrating hole is less on the laminated floor slab rib, and inconvenient threading reaches and arranges transverse reinforcement simultaneously in the laminated floor slab upper and lower, and laminated floor slab can not provide advantages of high bearing capacity.The overlapping layers concrete of laminated floor slab is together when the vertical rib end face of prefabricated panels with ribbing is poured into a mould, owing to have piece between the prefabricated panels with ribbing, reasons such as the making error of prefabricated panels with ribbing, prefabricated panels with ribbing is prone to the situation of faulting of slab ends at edge joint position, so that after building the overlapping layers concrete, irregular phenomenon appears in floor slab tops, influences attractive in appearance, rendering layer thickening simultaneously increases operating expenses.
Summary of the invention:
The object of the present invention is to provide a kind of job practices (that is making formation method) of convenient and practical reinforced concrete sandwich floor, to solve the problem that faulting of slab ends is arranged between each prefabricated panels with ribbing in the construction, the assurance floor slab tops is smooth, and saves concrete amount when improving laminated floor slab intensity.
To achieve these goals, the present invention adopts following technical scheme: a kind of job practices of reinforced concrete sandwich floor, it is characterized in that, described reinforced concrete sandwich floor comprises prefabricated panels with ribbing, transverse reinforcement, overlapping layers concrete, prefabricated panels with ribbing comprises reinforced concrete floor, vertical rib, described vertical rib is provided with some lateral direction penetrating holes, and the job practices of described reinforced concrete sandwich floor comprises step:
A, set up some prefabricated panels with ribbing at support, with prefabricated panels with ribbing marshalling on support, so that corresponding each lateral direction penetrating aligned on the vertical rib of each prefabricated panels with ribbing;
B, lay transverse reinforcement in the upper and lower of described lateral direction penetrating hole and establish each prefabricated panels with ribbing to stride;
C, with securing member with the top of some connecting rod crosswise fixed at the vertical rib of each prefabricated panels with ribbing, build the overlapping layers concrete in vertical rib end face together; Or earlier together after vertical rib end face has been built the overlapping layers concrete, with securing member some connecting rod crosswise fixed are indulged the rib top at each prefabricated panels with ribbing again;
D, treat that the overlapping layers concrete reaches desired strength after, remove connecting rod and securing member, form the reinforced concrete sandwich floor.
In the job practices of above-mentioned laminated floor slab, described connecting rod is elongated connecting rod or quarter butt; The cross sectional shape of described elongated connecting rod or quarter butt is circular, oval, square; Described securing member is pressing plate or metal binding wire; Use pressing plate with the top of some connecting rod crosswise fixed at the vertical rib of each prefabricated panels with ribbing, hole or groove are arranged at the top at vertical rib, be embedded with nut in hole or the groove, nut is connected with the bolt that passes the pressing plate hole, fixed connecting rod between pressing plate and the vertical rib top; Use metal binding wire with the top of some connecting rod crosswise fixed at the vertical rib of each prefabricated panels with ribbing, metal binding wire is passed the lateral direction penetrating hole of indulging on the rib, at the vertical rib top colligation fixed connecting rod of each prefabricated panels with ribbing; Quarter butt is striden and is established two adjacent prefabricated band rib panels, some quarter butt crosswise fixed is indulged the top of rib with securing member at adjacent in twos panels prefabricated with ribbing.
From technique scheme as can be seen, the upper and lower of the lateral direction penetrating hole of the job practices of laminated floor slab provided by the invention on the vertical rib of prefabricated panels with ribbing is laid and is striden the transverse reinforcement of establishing each prefabricated panels with ribbing, transverse reinforcement provides positive bending moment and negative bending moment rib for laminated floor slab, thereby improves the bearing capacity of reinforced concrete sandwich floor greatly.Guarantee that by the top cross fixed connecting rod at the vertical rib of each prefabricated panels with ribbing floor slab tops is smooth, and build the corresponding saving concrete amount of overlapping layers concrete in vertical rib end face together.The job practices operation of this reinforced concrete sandwich floor is simple, and construction can guarantee that higher capacity and floor slab tops are smooth flexibly.
Description of drawings:
In the following drawings, 1 is reinforced concrete floor, and 2 are vertical rib, 3 holes for vertical rib 2 tops, 4 is bolt, 5 is elongated connecting rod, 6 is the bolt hole on the pressing plate, and 7 for being embedded in the nut in the hole 3, and 8 is horizontal perforated holes, 9 is transverse reinforcement, 10 is the overlapping layers concrete, and 11 is pressing plate, and 12 is prefabricated panels with ribbing, 13 is quarter butt, and 14 is metal binding wire.
Fig. 1 is reinforced concrete sandwich floor site operation schematic diagram
Fig. 2 is another embodiment of reinforced concrete sandwich floor site operation
Fig. 3 is rectangular fin precast member board structural representation
Fig. 4 is rectangular fin precast member board and elongated connecting rod connection diagram
Fig. 5 is rectangular fin precast member board and quarter butt connection diagram
Fig. 6 has the square type rib precast member board structural representation of pre-embedded bolt for vertical rib top
Fig. 7 is connected another embodiment for the rectangular fin precast member board with elongated connecting rod
Fig. 8 is connected another embodiment for the rectangular fin precast member board with quarter butt
Fig. 9 is square connecting rod schematic diagram
Figure 10 is circular connecting rod schematic diagram
Figure 11 is oval connecting rod schematic diagram
The specific embodiment:
The invention will be further described below in conjunction with accompanying drawing.
The present invention is shown in accompanying drawing 1～11, a kind of reinforced concrete sandwich floor, comprise prefabricated panels with ribbing 12, transverse reinforcement 9, overlapping layers concrete 10, prefabricated panels 12 with ribbing comprises reinforced concrete floor 1, vertical rib 2, and vertical rib 2 is provided with lateral direction penetrating hole 8.As shown in Figure 1, 2, when the construction of reinforced concrete sandwich floor, at first set up prefabricated band rib panels 12 at support, with prefabricated panels 12 with ribbing marshalling on support, lay transverse reinforcement 9 in the upper and lower of lateral direction penetrating hole 8 and establish each prefabricated panels 12 with ribbing to stride, the upper and lower is laid transverse reinforcement 9 and is provided positive bending moment and negative bending moment rib for the reinforced concrete sandwich floor, thereby improves the bearing capacity of reinforced concrete sandwich floor.With securing member connecting rod is fixed on prefabricated panels with ribbing 12 vertical rib 2 tops, builds overlapping layers concrete 10 in vertical rib 2 end faces together; Or earlier together after vertical rib 2 end faces have been built overlapping layers concrete 10, with securing member 11 connecting rod is fixed on prefabricated panels with ribbing 12 again and indulges rib 2 tops.Connecting rod by securing member with after panels 12 prefabricated with ribbing more than two is connected, collaborative work between them, can reduce the modified difference between each prefabricated panels 12 with ribbing, solve the problem that faulting of slab ends is arranged between each prefabricated panels 12 with ribbing in the construction, the assurance floor slab tops is smooth, builds overlapping layers concrete 10 in the end face of vertical rib 2 together and can save concrete amount.Two kinds of sequences of construction finally all can make connecting rod and prefabricated panels with ribbing 12 collaborative works, can select for use according to the practice of construction situation.After treating that overlapping layers concrete 10 reaches desired strength, remove connecting rod and securing member, form the reinforced concrete sandwich floor.
Fig. 3 is rectangular fin precast member board 12 structural representations, increases vertical rib 2 height of prefabricated panels with ribbing 12, lateral direction penetrating hole 8 is increased so that on lateral direction penetrating hole 8 tops and the bottom lay transverse reinforcement 9.
Fig. 4 is that rectangular fin precast member board 12 passes through metal binding wire 14 connection diagrams with elongated connecting rod 5.When securing member is metal binding wire 14, metal binding wire 14 is passed the lateral direction penetrating hole of indulging on the rib 28, at each prefabricated panels 12 vertical rib 2 top colligation fixed connecting rod with ribbing, make elongated connecting rod 5 and prefabricated panels 12 collaborative works with ribbing.
Figure 5 shows that to stride with quarter butt 13 and establish two adjacent prefabricated band rib panels 12, pass lateral direction penetrating hole 8 on the vertical rib 2 with metal binding wire 14, with the top of some quarter butt 13 crosswise fixed at adjacent in twos panels prefabricated with ribbing 12 vertical ribs 2.By guaranteeing that the smooth of adjacent two prefabricated panels 12 with ribbing makes whole each prefabricated panels with ribbing 12 top reach smooth.
Fig. 6 has hole or groove 3 for indulging the square type rib precast member board structural representation that pre-embedded bolt is arranged at the rib top at the top of vertical rib 2, is embedded with nut 7 in hole or the groove 3.Being embedded with the effect of nut 7, is that nut 7 is connected with the bolt 4 that passes pressing plate 11 holes 6 when using pressing plate 11 as securing member, thus between pressing plate 11 and vertical rib 2 tops fixed connecting rod.
Be respectively elongated connecting rod, quarter butt and rectangular fin precast member board connection diagram shown in Fig. 7,8.Fix elongated connecting rod 5 or quarter butt 13 between pressing plate 11 and the vertical rib 2, this kind fixed form also can make elongated connecting rod 5 or quarter butt 13 and prefabricated panels 12 collaborative works with ribbing.Elongated connecting rod 5 can directly guarantee the overall leveling of floor, and quarter butt 13 can be by guaranteeing the mutual smooth planeness of adjusting whole floor slab tops of adjacent two prefabricated panels 12 with ribbing.
Feature of the present invention is that also the section form of elongated connecting rod 5 or quarter butt 13 is for circular, oval, square.Fig. 9 is square connecting rod schematic diagram, and Figure 10 is circular connecting rod schematic diagram, and Figure 11 is oval connecting rod schematic diagram, and the connecting rod among Fig. 9 to Figure 11 is the hard thin-wall hollow stem, uses the rod member of this form can alleviate deadweight, makes things convenient for the workman to carry and constructs.
Claims (7)
1. the job practices of a reinforced concrete sandwich floor, it is characterized in that, described reinforced concrete sandwich floor comprises prefabricated panels with ribbing (12), transverse reinforcement (9), overlapping layers concrete (10), prefabricated panels with ribbing (12) comprises reinforced concrete floor (1), vertical rib (2), described vertical rib (2) is provided with some lateral direction penetrating holes (8), and the job practices of described reinforced concrete sandwich floor comprises the steps:
A, set up some prefabricated panels with ribbing (12) at support, with prefabricated panels with ribbing (12) marshalling on support, aim at so that the vertical rib (2) of each prefabricated panels with ribbing (12) is gone up each corresponding lateral direction penetrating hole (8);
B, lay transverse reinforcement (9) in the upper and lower of described lateral direction penetrating hole (8) and establish each prefabricated panels with ribbing (12) to stride;
C, with securing member with the top of some connecting rod crosswise fixed at the vertical rib (2) of each prefabricated panels with ribbing (12), build overlapping layers concrete (10) in vertical rib (2) end face together; Or earlier together after vertical rib (2) end face has been built overlapping layers concrete (10), with securing member some connecting rod crosswise fixed are indulged rib (2) top at each prefabricated panels with ribbing (12) again;
D, treat that overlapping layers concrete (10) reaches desired strength after, remove connecting rod and securing member, form the reinforced concrete sandwich floor.
2. job practices according to claim 1, it is characterized in that: wherein said connecting rod is elongated connecting rod (5) or quarter butt (13).
3. job practices according to claim 2, it is characterized in that: quarter butt (13) is striden and is established two adjacent prefabricated band rib panels (12), some quarter butts (13) crosswise fixed is indulged the top of rib (2) with securing member at adjacent in twos panels prefabricated with ribbing (12).
4. job practices according to claim 2 is characterized in that: the cross sectional shape of described elongated connecting rod (5) or quarter butt (13) is for circular, oval, square.
5. job practices according to claim 1, it is characterized in that: described securing member is pressing plate (11) or metal binding wire (14).
6. job practices according to claim 5, it is characterized in that: use pressing plate (11) with the top of some connecting rod crosswise fixed at the vertical rib (2) of each prefabricated panels with ribbing (12), hole or groove (3) are arranged at the top at vertical rib (2), be embedded with nut (7) in hole or the groove (3), nut (7) is connected with the bolt (4) that passes pressing plate (11) hole (6), fixed connecting rod between pressing plate (11) and vertical rib (2) top.
7. job practices according to claim 5, it is characterized in that: use metal binding wire (14) with the top of some connecting rod crosswise fixed at the vertical rib (2) of each prefabricated panels with ribbing (12), metal binding wire (14) is passed lateral direction penetrating hole (8) on the vertical rib (2), at vertical rib (2) the top colligation fixed connecting rod of each prefabricated panels with ribbing (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110256611 CN102287023B (en) | 2011-09-01 | 2011-09-01 | Construction method for reinforced concrete laminated floor slab |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110256611 CN102287023B (en) | 2011-09-01 | 2011-09-01 | Construction method for reinforced concrete laminated floor slab |
Publications (2)
| Publication Number | Publication Date |
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| CN102287023A CN102287023A (en) | 2011-12-21 |
| CN102287023B true CN102287023B (en) | 2013-08-28 |
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| CN 201110256611 Active CN102287023B (en) | 2011-09-01 | 2011-09-01 | Construction method for reinforced concrete laminated floor slab |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108277918B (en) * | 2018-03-19 | 2024-03-26 | 北京工业大学 | Assembled type toothed joint edge-punched steel sheet ribbed floor |
| 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 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2294289A2 (en) * | 1974-12-13 | 1976-07-09 | Paillat Maurice | Precast reinforced concrete insulated floor slab mfr. - has mould base lined with mineral fibre retained by spiked metal strips |
| CN2619988Y (en) * | 2003-05-29 | 2004-06-09 | 吴方伯 | Reinforced concrete assembled floor |
| CN102002998B (en) * | 2010-10-26 | 2012-05-09 | 吴方伯 | Ribbed reinforced concrete prefabricated member slab |
| CN102182267A (en) * | 2010-11-25 | 2011-09-14 | 吴方伯 | Reinforced concrete overlapping hollow floor system |
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| CN102287023A (en) | 2011-12-21 |
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Owner name: AIR CHINA CONSTRUCTION ENGINEERING CO., LTD. Free format text: FORMER OWNER: WU FANGBO Effective date: 20130902 |
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Free format text: CORRECT: ADDRESS; FROM: 410082 CHANGSHA, HUNAN PROVINCE TO: 410004 CHANGSHA, HUNAN PROVINCE |
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Effective date of registration: 20130902 Address after: 410004 HC metro, section 788, Furong South Road, Tianxin District, Changsha, Hunan Patentee after: ZHONGHANG CONSTRUCTION ENGINEERING CO.,LTD. Address before: 410082 Hunan province Changsha Lushan Road Structure Engineering Research Institute Hunan University Patentee before: Wu Fangbo |
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Effective date of registration: 20240416 Granted publication date: 20130828 |