CN101748838A - Cast-in-situ high-strength light floor system for buildings - Google Patents
Cast-in-situ high-strength light floor system for buildings Download PDFInfo
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- CN101748838A CN101748838A CN200910312870A CN200910312870A CN101748838A CN 101748838 A CN101748838 A CN 101748838A CN 200910312870 A CN200910312870 A CN 200910312870A CN 200910312870 A CN200910312870 A CN 200910312870A CN 101748838 A CN101748838 A CN 101748838A
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Abstract
The invention discloses a cast-in-situ high-strength light floor system for buildings, which comprises hollow layers composed of concrete motar and steel bars, a top flange plate on the hollow layers, a down flange plate under the hollow layers, rib beams among the hollow layers, a floor system for supporting the down flange plate and hollow bodies casted in the hollow layers, wherein, the external surface of the bottom plate of each hollow body is provided with at least two arc bugles, lining steel wire gauze or glass fiber cloth is arranged between the bottom board of the hollow body and the floor system template, and the top cover of the hollow body and the hole on the bottom plate are arranged at the dents between respective surface arcs. The invention has simple and convenient construction, light weight, good anti-cracking and antiseismic effects, and in addition, the bottom of the cast-in-situ floor system is smooth.
Description
The application is to be on July 9th, 2008 applying date, and application number is 200810133186.2, and denomination of invention is divided an application for " a kind of building cast-in-situ floor " patent application.
Technical field
The present invention relates to a kind of building member, specifically, relate to a kind of building cast-in-situ floor.
Background technology
The most of precast hollow slab that adopts of the building of brick mix structure and frame construction is as floor structure at present, it is fast that this floor structure has speed of application, advantages such as cost is low, but owing to firmly do not link between adjacent two precast hollow slabs, only use the cement mortar joint filling, thereby globality is poor, is unfavorable for antidetonation, and phenomenons such as slit cracking, infiltration often occur.Also have some to adopt the Cast-in-place Concrete Building Floor technology, utilize ready-made shuttering member and steel concrete to mix and do superstructure, but have superstructure bottom surface injustice, problems such as formwork heaviness.
Chinese patent CN101173540A discloses a kind of superstructure of cast-in-place filling formwork, it has installed various supporters to formwork inside, the load-bearing and the extruded ability of formwork have been strengthened, but the bottom surface of its formwork is the plane, when cast, cause the bottom surface of superstructure not covered by concrete mortar fully, cause rough and crack, superstructure bottom surface, make and also will handle again in engineering later stage or house decoration, and make the complex process of formwork with too many supporter, weight increases, for present builing industry, duration is the same with quality important, delays whole speed of building the building and has just lost benefit.
Summary of the invention
For solving the bottom surface out-of-flatness of existing superstructure, complex procedures, unreasonable structure, less economical problem the invention provides a kind of high strength, operation is simple, rational in infrastructure, and is in light weight, can realize the cast-in-place high-strength light floor system of building of large span.
The present invention adopts following scheme to realize:
First embodiment of the present invention: a kind of building cast-in-situ floor, comprise by concrete mortar, reinforcing bar constitutes voided layer, top flange plate above the voided layer, girt strip between within bottom wing listrium below the voided layer and the voided layer and the superstructure template that is used to support the building cast-in-situ floor, its improvements are, also comprise the hollow body that is cast in the voided layer the inside, described hollow body comprises base plate, framework and top cover, described plate outer surface has two camber projectioies at least, have relative hole on described base plate and the top cover, described base plate is connected by the sealing penetrating via with the hole of top cover, described hollow body and penetrating via are integral sealing, the size that described girt strip is pressed hollow body by reinforcing bar forms grid, the base plate of described hollow body directly is placed on the superstructure template, and the height of base plate camber projection is less than the thickness of bottom wing listrium and less than 18 millimeters.
Another way of the present invention is: be provided with lining thing gauze wire cloth or glass fabric between the base plate of hollow body and superstructure template, the concrete mortar of capacity is infiltrated in base plate camber projection and superstructure die clearance, base plate and lining thing gauze wire cloth or glass fabric are cast for one, form superstructure bottom wing listrium.
An also mode of the present invention is: described hollow body adopts the special cement mortar to make, and is added with the lining thing in the middle of the described special cement mortar, and described lining thing is glass fiber or gauze wire cloth or cloth.
An optimal way of the present invention is: the penetrating via of described hollow body is shaped as that mid diameter equates, two ends have at least an end to become bell mouth shape, and above support is for connecting the tabular thing of cross on framework four limits, and the upper surface of described top cover has arc convex.
Hole on described top cover and the base plate is arranged on the recess between its each surperficial arc.
An optimal way of the present invention is: described hollow body adopts the monoblock foamed plastics to make.
Another optimal way of the present invention is: the upper surface of described hollow body and the penetrating via between the soffit adopt reservation or dig up middle foamed plastics and realize, the arc soffit of described hollow body and the distance of superstructure template are greater than 3 millimeters, and the height of base plate arc convex is less than the thickness of bottom wing listrium and less than 18 millimeters.
Another again optimal way of the present invention is: also be placed with pre-pipe laying or junction box in the described girt strip.
Also another optimal way of the present invention is: described building floor adopts distribution fixed point mode to be fixed on the girt strip reinforcing bar with iron wire one end when cast-in-place, and the other end passes the superstructure template and is fixed on the scaffold, and girt strip reinforcing bar and hollow body are fixed.
The present invention can make the building that adopts this structure keep under the constitutionally stable situation, improve the seismic crack effect of building, the hollow body base plate adopts at least two arc convex that concrete mortar is infiltrated between hollow body and the superstructure template fully, keep the smooth of the stability of hollow body and superstructure soffit, by the through hole in the middle of the hollow body, can easily and effectively concrete mortar be poured between base plate and the superstructure lower floor from top cover always, eliminated the problem that the middle concrete mortar of hollow body of the prior art can not pour into fully, utilize the supporter in the hollow body, can improve the ability of anti-roof pressure of hollow body and side pressure, whole hollow body all seals except the penetrating via hole, can prevent that like this concrete mortar from entering, and avoids increasing the weight of whole superstructure from the slit.Penetrating via is made horn-like with the place that top cover and base plate hole join in the middle of the hollow body, so just increased contacting of hollow body penetrating via and concrete mortar, the punching press on superstructure upper strata and the stress of lower floor are all produced very big effect, make the hollow body except utilizing the special cement mortar, in the less demanding superstructure of some load-bearing, can adopt organic materials such as foam-plastic blocks or inorganic material to make some lighter hollow body or solids, in concrete mortar, add and serve as a contrast the various resistances that thing can strengthen hollow body, as bump, extruding etc., the lifting surface area of the whole hollow body of decomposition that the top cover employing arc convex of hollow body can be suitable.
This programme cast-in-situ open-web floor, reach in light weight, rational in infrastructure, improve whole anti-crack and earthquake-resistant effect, hollow body in this programme utilizes mould to create in the shortest time, and when partly solidifying, it just top cover and framework are lumped together, saved the time, cancelled in the prior art coating adhesive and other adds the formality of overlapping layers, and the superstructure bottom surface of cast-in-site is smooth, only need simple finishing to use, removed prior art and need plaster and decorate the formality of filling a vacancy.
Description of drawings
Fig. 1 is a building cover structure schematic diagram of the present invention;
Fig. 2 is the hollow body structural representation of superstructure shown in Figure 1;
Fig. 3 be superstructure shown in Figure 1 up and down all with the hollow body structural representation of arc convex;
Fig. 4 is the interior band of the hollow body cross bracing frame schematic diagram of superstructure shown in Figure 1;
Fig. 5 is the schematic diagram of four arcs in hollow body bottom surface of superstructure shown in Figure 1.
The specific embodiment
The present invention is described further below in conjunction with accompanying drawing.
Embodiment 1
With reference to accompanying drawing, the base plate 9 and the framework 8 of hollow body 1 are once carried out in mould, the general special cement that adopts is poured into a mould, in the middle of special cement, add just like glass fiber, glass fabric, gauze wire cloth one class lining thing, to strengthen the soundness of hollow body 1, crushing resistance, do two or three or four arcs 15 of outside protrusion in the mould bottom surface, this arc 15 can contact with 3 one-tenth points of wire gauze of 17 layings of superstructure bottom wing listrium when hollow body 1 is placed, multi sphere shape can make hollow body 1 bottom 9 form the passage that infiltrates concrete mortar, and this scheme can realize that the bottom surface of bottom wing listrium 17 is smooth.The mould bottom surface arc of manufacturing of hollow body 1 is symmetric arrays, and the size of its arc 15 can be adjusted with the hollow body manufactured 1 size, and is big as far as possible under the prerequisite of the passage of guaranteeing to infiltrate the concrete placing mortar, thus the concrete mortar amount in the minimizing girt strip.Symmetric points between arc and arc are provided with the hole 10,6 with base plate 9, top cover 7 symmetries, between hole 10,6 connecting pipe 11 are installed.When bottom board 9 and framework 8, pour into a mould top cover 7 simultaneously, when base plate 9 and framework 8 half are solidified, top cover 7 and framework 8 are lumped together, just become the integral body of a sealing when it solidifies fully, hole on top cover and the base plate 10,6 is linked to each other by connecting pipe 11, also seals between connecting pipe 11 and the whole hollow body 1, concrete mortar enters in the hollow body in the time of can preventing to be in the milk like this, causes superstructure weight to increase.Can be by the size of hollow body 1, connecting pipe 11 numbers between increasing up and down, connecting pipe one can make the concrete mortar bottom surface that flows to hollow body easily and fast, and two can strengthen the support of superstructure upper strata and lower floor.Make connecting pipe and upper and lower hole joint radial tubaeform, increased the contact surface of penetrating via and concrete mortar, strengthened the support of the upper and lower frange plate of superstructure and fixing, flush shear force and stress to the upper and lower frange plate of superstructure all produce very big effect, the supporter 16 of various structures when can not satisfying construction positive pressure and side pressure, can be installed in hollow body hollow body, if anti-normal pressure and lateral pressure up and down, preferably adopt criss-cross iris type 13, this structure can all prop up the pressure of each frame face of hollow body 1.
When this programme is built to superstructure at building, elder generation's layer overlay anticracking material on building floor template 5, as gauze wire cloth or glass fabric 3, press design drawing then and arrange the reinforcing bar 14 of girt strip 19, settle hollow body 1 between the girt strip reinforced net that girt strip 19 forms in length and breadth, the base plate 9 of described hollow body 1 is placed on the anticracking material of building floor.Again concrete mortar 4 is infiltrated hollow body 1 bottom surface fully by the passage between the camber on the base plate 9 15, under the sharp pounding of building shock club, make concrete mortar be circulated into base plate 9 and mobile to base plate 9 center connecting pipes from the outer all around of hollow body 1, the thickness of the height of base plate 9 camber projectioies 15 and superstructure bottom wing listrium is identical and less than 18 millimeters, for preventing the concrete mortar leakiness between base plate 9 and the construction formwork 5, can from the connecting pipe 11 of hollow body 1, inject concrete mortar, to build shock club simultaneously and vertically insert sharp pounding in the connecting pipe 11, allow concrete mortar again to diffusion all around, concrete mortar is under the effect of building shock club, combining closely forms bottom wing listrium 17, thereby obtains required smooth, smooth floor framing bottom wing listrium 17.Concrete mortar pumps in the framework of hollow body 1 upper limb and girt strip 19 formation in batches subsequently, and is closely knit with the vibrations of building shock club, forms voided layer 18 and top flange plate 2 again, with top flange plate 2 surface level levellings.Before the concrete mortar cast pre-pipe laying is placed in the girt strip 19, for prevent that hollow body 1 from floating when pouring into a mould, must carry out anti-floating handles, building floor adopts distribution fixed point mode when cast-in-place, utilize iron wire one end to be fixed on the girt strip reinforcing bar 19, the other end passes superstructure template 5 and is fixed on the scaffold, can prevent that so whole superstructure from driving girt strip and rising when cast, at last superstructure masterplate 5 is removed, finished the cast of first floor floor lid.
Adopt and above-mentioned same pouring procedure, at the little building of some superstructure load-bearing demands, can adopt foam-plastic blocks to manufacture hollow body 1, it is manufactured and adopts the casting of foamed plastics block forming die, its external form is identical with the hollow body pattern of embodiment one, the centre is the solid foam plastics, middle penetrating via 11 adopts to be reserved or digs through foam-plastic blocks and realize, when this hollow body is installed, the bottom of its foam-plastic blocks hollow body can not directly be placed on the construction formwork 5, should leave more than 3 millimeters with construction formwork 5, the height of base plate 9 camber projectioies 15 is less than the thickness of superstructure bottom wing listrium and less than 18 millimeters.
Should be noted that at last: above embodiment is only in order to illustrate that technical scheme of the present invention is not intended to limit, although the present invention is had been described in detail with reference to the foregoing description, those of ordinary skill in the field are to be understood that: still can make amendment or be equal to replacement the specific embodiment of the present invention, and the end breaks away from any modification of spirit and scope of the invention or is equal to replacement, and it all should be encompassed in the middle of the claim scope of the present invention.
Claims (2)
1. cast-in-place high-strength light floor system of building, comprise by concrete mortar (4), reinforcing bar (14) constitutes voided layer (18), top flange plate (2) above the voided layer (18), bottom wing listrium (17) and the girt strip (19) between the voided layer (18) below the voided layer (18) and be used to support the superstructure template (5) of bottom wing listrium (17), it is characterized in that, also comprise the hollow body (1) that is cast in voided layer (18) the inside, described hollow body (1) comprises base plate (9), framework (8) and top cover (7), described base plate (9) external surface has two camber projectioies (15) at least, have relative hole (10 on described base plate (9) and the top cover (7), 6), the hole (10 of described base plate (9) and top cover (7), 6) connect by sealing penetrating via (11), described hollow body (1) and penetrating via (11) are integral sealing, the size that described girt strip (19) is pressed hollow body (1) by reinforcing bar (14) forms grid, the base plate (9) of described hollow body (1) directly is placed on the superstructure template (5), and the height of base plate (9) camber projection (15) is less than the thickness of bottom wing listrium (17) and less than 18 millimeters; Be provided with lining thing gauze wire cloth or glass fabric (3) between the base plate (9) of hollow body (1) and the superstructure template (5), the concrete mortar of capacity is infiltrated in base plate (9) camber projection (15) and superstructure template (5) gap, base plate (9) and lining thing gauze wire cloth or glass fabric (3) are cast for one, form superstructure bottom wing listrium (17); Hole (6,10) on described top cover (7) and the base plate (9) is arranged on the recess between its each surperficial arc.
2. the cast-in-place high-strength light floor system of building as claimed in claim 1 is characterized in that described girt strip is placed with pre-pipe laying or junction box in (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910312870A CN101748838A (en) | 2008-07-09 | 2008-07-09 | Cast-in-situ high-strength light floor system for buildings |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910312870A CN101748838A (en) | 2008-07-09 | 2008-07-09 | Cast-in-situ high-strength light floor system for buildings |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2008101331862A Division CN101302783A (en) | 2008-07-09 | 2008-07-09 | Building cast-in-situ roof |
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| Publication Number | Publication Date |
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| CN101748838A true CN101748838A (en) | 2010-06-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN200910312870A Pending CN101748838A (en) | 2008-07-09 | 2008-07-09 | Cast-in-situ high-strength light floor system for buildings |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102817434A (en) * | 2012-08-19 | 2012-12-12 | 吴方伯 | Reinforced concrete hollow floorslab |
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2008
- 2008-07-09 CN CN200910312870A patent/CN101748838A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102817434A (en) * | 2012-08-19 | 2012-12-12 | 吴方伯 | Reinforced concrete hollow floorslab |
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Application publication date: 20100623 |