CN201050128Y - Cast in-situ light aggregate reinforcing steel concrete composite floor slab - Google Patents

Cast in-situ light aggregate reinforcing steel concrete composite floor slab Download PDF

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Publication number
CN201050128Y
CN201050128Y CNU2007200053875U CN200720005387U CN201050128Y CN 201050128 Y CN201050128 Y CN 201050128Y CN U2007200053875 U CNU2007200053875 U CN U2007200053875U CN 200720005387 U CN200720005387 U CN 200720005387U CN 201050128 Y CN201050128 Y CN 201050128Y
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China
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light aggregate
steel bar
concrete
bar concrete
cast
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CNU2007200053875U
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Chinese (zh)
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万国良
刘泳霞
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Abstract

The utility model discloses a cast-in-place light aggregate reinforced-concrete combined floor slab, which comprises a floor slab body composed of a light-aggregate reinforced-concrete prefabricated shuttering component, steel bars, steel-wire nets, and cast-in-place light aggregate concrete that is densely poured in the construction site. The utility model is characterized in that the light aggregate reinforced-concrete prefabricated shuttering component is combined as a whole by the light aggregate concrete and a ribbed-beam steel-bar frame. Two or a plurality of light aggregate reinforced-concrete prefabricated shuttering components are parallel spliced with each other in the construction site , and thus ,before poured, the two or a plurality of light aggregate reinforced-concrete prefabricated shuttering components are used as the templates and the main body of the floor slab to be installed on the construction position, which pours the steel-wire nets and the ribbed-beam steel-bar frame arranged among the ribbed beams as a whole through the light aggregate concrete. In this way, the cast-in-place light aggregate reinforced-concrete combined floor slab, which takes advantage of cast-in-place and can be applied widely with large span, is formed with characteristics of light weight, high strength, good integrated performance, strong bearing capability, energy saving, heat preservation, soundproof function, earthquake resistance and easy construction, and the upper and lower surfaces of the cast-in-place light aggregate reinforced-concrete combined floor slab are planes. The utility model has double advantages that the components are prefabricated with specialty and the structure is integrally cast in place. As the light aggregate concrete is adopted, the dead weight of the structure is greatly lowered.

Description

A kind of cast-in-place steel bar concrete with light aggregate composite floor plate
Technical field
The utility model relates to a kind of reinforced concrete floor that is used for building construction, relates in particular to a kind of cast-in-place steel bar concrete with light aggregate composite floor plate.
Background technology
At present, the reinforced concrete floor that is used for building construction mainly contains precast concrete cassette ceiling and in-situ reinforced concrete slab two classes.The precast concrete cassette ceiling adopts prestressed concrete technology and batch production production, and big with its compressive strength, bearing capacity is strong, uses, makes advantage such as easy and be widely adopted.China present in, in the low layer masonry structure building, the precast concrete cassette ceiling still occupies very big ratio.The precast concrete cassette ceiling exists from great, defectives such as overall performance is poor, poor seismic behavior, sound insulation, heat-proof quality difference.
At present, cast-in-place concrete floor mainly contains cast-in-situ reinforced concrete slab floor, cast-in-situ reinforced concrete ribbed slab floor, cast-in-situ reinforced concrete hollow slab and cast-in-situ reinforced concrete and fills four kinds of forms of carcass floor.Adopt cast in situs, help guaranteeing the overall performance of floor slab structure.But the cast-in-situ floor of above several form of structure all exists differently in the application of construction work, and self is difficult to overcome, from great, overall performance is poor, load-carrying properties are poor, discreteness is big, sound insulation, defectives such as physical property difference such as heat insulation.
In sum, in the design of all kinds of cast-in-situ reinforced concrete hollow slabs of known and real world applications and using, the subject matter that exists is: from great, integrality performance of the structure is poor, can not satisfy the requirement of modern architecture, more can't satisfy the requirements at the higher level that physical property the subject of knowledge and the object of knowledges such as energy-conservation, insulation to floor, sound insulation propose for floor large span, large tracts of land, large bearing capacity.Therefore, develop that a kind of to have multiple premium properties such as, insulation good, energy-conservation from heavy and light, integrality performance of the structure, sound insulation, antidetonation, easy construction be one, can satisfy modern architecture again is to be badly in need of at present solving for the floor of floor large span, large tracts of land, large bearing capacity requirement.
Summary of the invention
Premium properties such as the purpose of this utility model is to provide a kind of and collects in light weight, intensity is high, overall performance good, bearing capacity is strong, energy-conservation, insulation, sound insulation, antidetonation, easy construction are the cast-in-place steel bar concrete with light aggregate composite floor plate of one.Solve present various floors from insoluble separately problem such as great, that intensity is low, overall performance is poor, load-carrying properties are poor, discreteness is big.To adapt to modern architecture for the large span of floor, use the requirement of area, large bearing capacity and various good physical greatly.
The purpose of this utility model is achieved in that
A kind of cast-in-place steel bar concrete with light aggregate composite floor plate comprises by steel bar concrete with light aggregate prefabricated molds mould component, reinforcing bar, steel fabric sheet and employing light aggregate concrete and carries out the closely knit floor body that forms of building at the construction field (site).It is characterized in that: described steel bar concrete with light aggregate prefabricated molds mould component is combined into one by light aggregate concrete and girt strip cage of reinforcement.Steel bar concrete with light aggregate prefabricated molds mould component is prefabricated in professional production factory, is beneficial to and ensures the quality of products, saves time, reduces production costs.By the amalgamation side by side at the construction field (site) of two or more steel bar concrete with light aggregate prefabricated molds mould components, before building, promptly be installed on the construction position as the main body of floor again as template, through building with light aggregate concrete, to be arranged on the steel fabric sheet between the shuttering member and the girt strip reinforcing bar is cast-in-place is integral, brought into play cast-in-place advantage, the formation upper and lower surface is the plane, have in light weight, the intensity height, overall performance is good, bearing capacity is strong, energy-conservation, insulation, sound insulation, antidetonation, the large span of characteristics such as easy construction, the big cast-in-place steel bar concrete with light aggregate composite floor plate that uses area, thus reach the purpose of this utility model.
Feature of the present utility model is that also the girt strip cage of reinforcement of described steel bar concrete with light aggregate prefabricated molds mould component comprises: the transverse reinforcement skeleton that longitudinal reinforcement skeleton that set a distance be arranged in parallel and set a distance be arranged in parallel.Girt strip cage of reinforcement bottom is pre-within the prefabricated formwork of steel bar concrete with light aggregate, and the top of girt strip cage of reinforcement is to expose on the prefabricated formwork of steel bar concrete with light aggregate.This not only helps the manufacturing of steel bar concrete with light aggregate prefabricated molds mould component and building of job site, realizes floor large span, large bearing capacity, the requisite measure that overall performance is strong especially.
Feature of the present utility model is that also the bottom surface of described steel bar concrete with light aggregate prefabricated molds mould component is smooth pitted skin, is easy to finishing; Upper surface is the face of building, and its face of building is coarse or corrugated or the lattice shape or the rough surface of fluctuating are arranged.Like this, help combining of steel bar concrete with light aggregate prefabricated molds mould component and cast-in-place light aggregate concrete.
Feature of the present utility model is that also the girt strip cage of reinforcement of described steel bar concrete with light aggregate prefabricated molds mould component comprises: the transverse reinforcement skeleton that longitudinal reinforcement skeleton that set a distance be arranged in parallel and set a distance be arranged in parallel.And longitudinal reinforcement skeleton and transverse reinforcement skeleton intersect vertically, its skeleton reinforcing steel bar is pricked knot by stirrup, and vertical or horizontally respectively stretch out a segment length outside the steel bar concrete with light aggregate prefabricated molds mould component, steel bar concrete with light aggregate prefabricated molds mould component with splicing when building is anchored at, or with the collar tie beam and the supporting mass anchoring of the outer body of wall of adjacent load-bearing.With adjacent two steel bar concrete with light aggregate prefabricated molds mould component amalgamations arranged side by side the time, earlier pre-transverse reinforcement built in the shuttering member opposite flank is bent upwards shape as shown in Figure 2, spacing distance laid parallel according to the rules, above the relative reinforcing bar infall of two rows, place a longitudinal reinforcement, infall with stirrup and transverse reinforcement is pricked knot together, place steel fabric sheet above, can build.Like this, cast-in-place steel bar concrete with light aggregate composite floor plate promptly becomes the floor of sliceable two-way bearing capacity in length and breadth, and this has not only strengthened the globality and the bearing capacity of floor, has created advantage for the design of large span floor, construction simultaneously.
Feature of the present utility model also is, the longitudinal reinforcement skeleton of described steel bar concrete with light aggregate prefabricated molds mould component and transverse reinforcement skeleton, each cage of reinforcement by at least two (top one, following one) at the most four reinforcing bars or steel strand form, prick knot with stirrup.According to the designing requirement and the bearing capacity of difference building span, can select the reinforcing bar or the steel strand of different radicals, different size model for use.Draw materials flexibly, this improves the quality of products for the manufacturing of steel bar concrete with light aggregate prefabricated molds mould component, reduces production costs to have realistic meaning.
Feature of the present utility model also is, each transverse reinforcement skeleton of described steel bar concrete with light aggregate prefabricated molds mould component exposes the reinforcing bar on steel bar concrete with light aggregate prefabricated molds mould component, when making member, do not place earlier, treat with the amalgamation arranged side by side of a plurality of steel bar concrete with light aggregate prefabricated molds mould component in place after, again this reinforcing bar is placed on the longitudinal reinforcement skeleton, pricks knot, wait to build with stirrup.In described longitudinal reinforcement skeleton and transverse reinforcement skeleton, the longitudinal reinforcement skeleton adopts prestressed reinforcement at least.This gives the manufacturing of steel bar concrete with light aggregate prefabricated molds mould component and the formation of cage of reinforcement, all brings very big facility for site operation, helps guaranteeing construction quality simultaneously, saves time.
Feature of the present utility model also is, described steel fabric sheet burst is arranged on the amalgamation at interval between the steel bar concrete with light aggregate prefabricated molds mould component, its length equals steel bar concrete with light aggregate prefabricated molds mould component length, and its width is amalgamation 3-4 at interval times, can link to each other or overlap.Like this, build with light aggregate concrete be integral after, steel fabric sheet and cage of reinforcement have formed the local bending resistance square structural system of a solid, have further strengthened the globality and the bearing capacity of floor, have created advantage for the design of large span floor, construction simultaneously.
Feature of the present utility model also is, makes light aggregates such as porous lava that steel bar concrete with light aggregate prefabricated molds mould component and the employed lightweight aggregate of Cast-in-place concrete all adopt different densities and intensity, vermiculite, float stone, haydites of book structure, lytag, expanded perlite, polystyrene expanded granular.The raw material wide material sources are not only resource reutilization, reduce cost, and have importantly alleviated the deadweight of floor significantly, have strengthened the physical property such as energy-conservation, insulation, sound insulation of floor.
The cast-in-place steel bar concrete with light aggregate composite floor plate of the utility model is compared with existing known cast-in-situ hollow floor plate, has the following advantages and good effect:
Under the prerequisite that guarantees floor strength and bearing capacity, realize large span, used area greatly, and the deadweight that has significantly alleviated floor, improved the floor self structure and with the overall performance of body of wall, supporting system, strengthened anti-seismic performance, for the design of eight grades of earthquake intensity seismic constructions provides foundation, especially Tu Chu improvement physical properties such as energy-conservation, the insulation of floor, heat insulation, sound insulation, for the housing construction that reaches 65% energy conservation standard provides the floor that suits.
Description of drawings
A kind of cast-in-place steel bar concrete with light aggregate composite floor plate schematic diagram of Fig. 1;
The A-A sectional drawing of Fig. 2 Fig. 1;
The A partial enlarged drawing of Fig. 3 Fig. 2;
Two steel bar concrete with light aggregate prefabricated molds mould component amalgamation schematic diagrames arranged side by side that Fig. 4 is adjacent;
The A-A sectional drawing of Fig. 5 Fig. 4;
The A partial enlarged drawing of Fig. 6 Fig. 5;
Fig. 7 face of building is that the steel bar concrete with light aggregate prefabricated molds mould component on coarse plane waters the structure chart that builds up cast-in-place steel bar concrete with light aggregate composite floor plate;
The A-A sectional drawing of Fig. 8 Fig. 7;
The A partial enlarged drawing of Fig. 9 Fig. 8;
Figure 10 face of building is the steel bar concrete with light aggregate prefabricated molds mould component structure chart of tungued-and-grooved face;
The A-A sectional drawing of Figure 11 Figure 10;
The A partial enlarged drawing of Figure 12 Figure 11.
The specific embodiment
Describe the utility model in detail below in conjunction with drawings and Examples.
As Fig. 1, Fig. 2, shown in Figure 3, a kind of cast-in-place steel bar concrete with light aggregate composite floor plate 1 comprises by steel bar concrete with light aggregate prefabricated molds mould component 4, reinforcing bar 11, steel fabric sheet 15 and employing light aggregate concrete 5 and carries out the closely knit floor body that forms of building at the construction field (site).It is characterized in that: described steel bar concrete with light aggregate prefabricated molds mould component 4 is combined into one by light aggregate concrete 5 and girt strip cage of reinforcement 2,3.By the amalgamation side by side at the construction field (site) of two or more steel bar concrete with light aggregate prefabricated molds mould components 4, before building, promptly be installed on the construction position as the main body of floor again as template, through building with light aggregate concrete 5, with steel fabric sheet 15 and girt strip reinforcing bar 6,8,11 cast-in-place being integral that are arranged between the shuttering member, form the cast-in-place steel bar concrete with light aggregate composite floor plate 1 that upper and lower surface is the plane.
As Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8, shown in Figure 9, the girt strip cage of reinforcement 2,3 of described steel bar concrete with light aggregate prefabricated molds mould component 4 comprises: the transverse reinforcement skeleton 3 that longitudinal reinforcement skeleton 2 that set a distance be arranged in parallel and set a distance be arranged in parallel, and longitudinal reinforcement skeleton 2 and transverse reinforcement skeleton 3 intersect vertically, each longitudinal rib beam steel skeleton 2 is to prick knot by three reinforcing bars with stirrup 10 to form, wherein a longitudinal reinforcement 6 exposes on steel bar concrete with light aggregate prefabricated molds mould component 4, and two longitudinal reinforcements 7 are embedded within the steel bar concrete with light aggregate prefabricated molds mould component 4; Each cross rib beam steel skeleton 3 is made up of two reinforcing bars, and wherein a transverse reinforcement 8 exposes on steel bar concrete with light aggregate prefabricated molds mould component 4, and another root transverse reinforcement 9 is embedded within the steel bar concrete with light aggregate prefabricated molds mould component 4.
As Fig. 7, Fig. 8, shown in Figure 9, the bottom surface 13 of described steel bar concrete with light aggregate prefabricated molds mould component 4 is smooth pitted skin, is easy to finishing; Upper surface is the face of building 12, and it builds face 12 is coarse surfaces.
As Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8, shown in Figure 9, the girt strip cage of reinforcement 2,3 of described steel bar concrete with light aggregate prefabricated molds mould component 4 comprises: the transverse reinforcement skeleton 3 that longitudinal reinforcement skeleton 2 that set a distance be arranged in parallel and set a distance be arranged in parallel.And longitudinal reinforcement skeleton 2 and transverse reinforcement skeleton 3 intersect vertically, its skeleton reinforcing steel bar is pricked knot by stirrup 10, and vertical or horizontally respectively stretch out a segment length outside the steel bar concrete with light aggregate prefabricated molds mould component 4, steel bar concrete with light aggregate prefabricated molds mould component with splicing when building is anchored at, or with the collar tie beam and the supporting beam anchoring of the outer body of wall of adjacent load-bearing.With two adjacent steel bar concrete with light aggregate prefabricated molds mould components 4 amalgamation arranged side by side the time, earlier will be in advance be bent upwards as shown in Figure 2 shape built in the extension of the transverse reinforcement 9 of formwork opposite flank, spacing distance laid parallel according to the rules, above the relative reinforcing bar infall of two rows, place a longitudinal reinforcement 11, and prick knot together with the stirrup 10 and the infall of transverse reinforcement 9, place steel fabric sheet 15 above, can build.
As Fig. 7, Fig. 8, Fig. 9, Figure 10, Figure 11, shown in Figure 12, described the reinforcing bar 8 on steel bar concrete with light aggregate prefabricated molds mould component 4 of exposing at each transverse reinforcement skeleton 3, when making steel bar concrete with light aggregate prefabricated molds mould component, do not add earlier, treat after a plurality of steel bar concrete with light aggregate prefabricated molds mould component 4 amalgamations arranged side by side, again this reinforcing bar 8 is placed on the longitudinal reinforcement skeleton 2, pricks knot with stirrup 10.
As Fig. 4, Fig. 5, shown in Figure 6, described steel fabric sheet 15 bursts are arranged on the amalgamation at interval between the steel bar concrete with light aggregate prefabricated molds mould component 4, and its length equals the length of steel bar concrete with light aggregate prefabricated molds mould component 4, its width be amalgamation 3-4 at interval doubly.With steel bar concrete with light aggregate prefabricated molds mould component 4 build be integral after, promptly become the floor of two-way bearing capacity in length and breadth.

Claims (6)

1. cast-in-place steel bar concrete with light aggregate composite floor plate, comprise by steel bar concrete with light aggregate prefabricated molds mould component, reinforcing bar, steel fabric sheet and employing light aggregate concrete carry out the closely knit floor body that forms of building at the construction field (site), it is characterized in that: described steel bar concrete with light aggregate prefabricated molds mould component, be combined into one by light aggregate concrete and girt strip cage of reinforcement, by the amalgamation side by side at the construction field (site) of two or more steel bar concrete with light aggregate prefabricated molds mould components, before building, promptly be installed on the construction position as the main body of floor again as template, through carrying out closely knit building at the construction field (site) with light aggregate concrete, to be arranged on the steel fabric sheet between the shuttering member and the girt strip reinforcing bar is cast-in-place is integral, form the cast-in-place steel bar concrete with light aggregate composite floor plate that upper and lower surface is the plane.
2. a kind of cast-in-place steel bar concrete with light aggregate composite floor plate according to claim 1, feature of the present utility model also is, the girt strip cage of reinforcement of described steel bar concrete with light aggregate prefabricated molds mould component comprises: the transverse reinforcement skeleton that longitudinal reinforcement skeleton that set a distance be arranged in parallel and set a distance be arranged in parallel, girt strip cage of reinforcement bottom is in advance within steel bar concrete with light aggregate prefabricated molds mould component, and the top of girt strip cage of reinforcement exposes on steel bar concrete with light aggregate prefabricated molds mould component.
3. a kind of cast-in-place steel bar concrete with light aggregate composite floor plate according to claim 1, feature of the present utility model also is, described steel bar concrete with light aggregate prefabricated molds mould component bottom surface is smooth pitted skin, upper surface is the face of building, and its face of building is coarse or various corrugated or lattice shape or the rough surfaces that fluctuating is arranged.
4. a kind of cast-in-place steel bar concrete with light aggregate composite floor plate according to claim 1, feature of the present utility model also is, the girt strip cage of reinforcement of described steel bar concrete with light aggregate prefabricated molds mould component comprises: the transverse reinforcement skeleton that longitudinal reinforcement skeleton that set a distance be arranged in parallel and set a distance be arranged in parallel, and longitudinal reinforcement skeleton and transverse reinforcement skeleton intersect vertically, its skeleton reinforcing steel bar is pricked knot by stirrup, and vertical or horizontally respectively stretch out a segment length outside the steel bar concrete with light aggregate prefabricated molds mould component, steel bar concrete with light aggregate prefabricated molds mould component with splicing when building is anchored at, or with the collar tie beam and the supporting beam anchoring of the outer body of wall of adjacent load-bearing, with adjacent two steel bar concrete with light aggregate prefabricated molds mould component amalgamations arranged side by side the time, earlier pre-transverse reinforcement built in the shuttering member opposite flank is bent upwards the shape shown in (Fig. 2), spacing distance laid parallel according to the rules, above the relative reinforcing bar infall of two rows, place a longitudinal reinforcement, prick knot together with stirrup and the transverse reinforcement that intersects, place steel fabric sheet above, build again.
5. a kind of cast-in-place steel bar concrete with light aggregate composite floor plate according to claim 1, feature of the present utility model also is, the longitudinal reinforcement skeleton of described steel bar concrete with light aggregate prefabricated molds mould component and transverse reinforcement skeleton, form at the most by four reinforcing bars or steel strand by at least two for each cage of reinforcement, prick knot with stirrup, in described longitudinal reinforcement skeleton and transverse reinforcement skeleton, the longitudinal reinforcement skeleton adopts prestressed reinforcement at least.
6. a kind of cast-in-place steel bar concrete with light aggregate composite floor plate according to claim 1, feature of the present utility model also is, described steel fabric sheet burst is arranged on the amalgamation at interval between the steel bar concrete with light aggregate prefabricated molds mould component, its length equals the length of steel bar concrete with light aggregate prefabricated molds mould component, its width is amalgamation 3-4 at interval times, can link to each other or overlap.
CNU2007200053875U 2007-03-05 2007-03-05 Cast in-situ light aggregate reinforcing steel concrete composite floor slab Expired - Fee Related CN201050128Y (en)

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CNU2007200053875U CN201050128Y (en) 2007-03-05 2007-03-05 Cast in-situ light aggregate reinforcing steel concrete composite floor slab

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102434005A (en) * 2011-12-12 2012-05-02 中冶建工集团有限公司 Precast beam unit construction technology
CN104264881A (en) * 2014-09-16 2015-01-07 福州大学 Magnesium cement lightweight aggregate concrete hollow box board
CN113027020A (en) * 2019-12-24 2021-06-25 贺州通号装配式建筑有限公司 Prefabricated floor slab installation node and construction method thereof

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102434005A (en) * 2011-12-12 2012-05-02 中冶建工集团有限公司 Precast beam unit construction technology
CN104264881A (en) * 2014-09-16 2015-01-07 福州大学 Magnesium cement lightweight aggregate concrete hollow box board
CN113027020A (en) * 2019-12-24 2021-06-25 贺州通号装配式建筑有限公司 Prefabricated floor slab installation node and construction method thereof

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C17 Cessation of patent right
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Granted publication date: 20080423

Termination date: 20110305