CN203654561U - Light superimposed pre-stressed concrete slab with both ends opened and light padding blocks embedded - Google Patents
Light superimposed pre-stressed concrete slab with both ends opened and light padding blocks embedded Download PDFInfo
- Publication number
- CN203654561U CN203654561U CN201320848925.2U CN201320848925U CN203654561U CN 203654561 U CN203654561 U CN 203654561U CN 201320848925 U CN201320848925 U CN 201320848925U CN 203654561 U CN203654561 U CN 203654561U
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- concrete
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- filling piece
- light filling
- stressed
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- Manufacturing Of Tubular Articles Or Embedded Moulded Articles (AREA)
Abstract
The utility model relates to a light superimposed pre-stressed concrete slab with both ends opened and light padding blocks embedded, and belongs to the building element field. A lower prefabricated slab of the light superimposed pre-stressed concrete slab is composed of a reinforced concrete base layer, a light padding block inner layer and a concrete outer layer, wherein the reinforced concrete base layer is composed of a steel bar framework formed by ordinary steel bars and pre-stressed steel bars and pouring concrete, the light padding block is arranged on the reinforced concrete base layer, the concrete outer layer is poured on the top face and two lengthways lateral sides of the light padding block and the lower reinforced concrete prefabricated slab with two ends opened is formed. After an upper cast-in-place concrete slab is poured on concrete on the upper surface of the prefabricated slab on site, the light superimposed pre-stressed concrete slab with the both ends opened and the light padding blocks embedded is formed. According to the light superimposed pre-stressed concrete slab with the both ends opened and the light padding blocks embedded, the light padding blocks reduce the dead weight of the light superimposed pre-stressed concrete slab, the pre-stressed steel bars improve rigidity, crack resistance and overall shock resistance of the light superimposed pre-stressed concrete slab, good heat preservation and energy conservation properties are obtained, industrialized prefabricating production can be achieved, efficiency is high, and cost is low.
Description
Technical field
The light-duty superimposed sheet of a kind of both ends open formula embedded light filling piece prestressed concrete of the utility model, belongs to building unit field.
Background technology
Along with China's expanding economy, various large spans, shock resistance building strong and good integrity emerge in an endless stream, and common precast rc slab, ribbed slab floor, slab without bond of prestressing can not meet the needs of development.Therefore, exploitation shock resistance, globality good, adapt to become the task of top priority compared with the light-duty superimposed sheet of long span building.
Utility model content
The purpose of this utility model is to provide the light-duty superimposed sheet of a kind of both ends open formula embedded light filling piece prestressed concrete, reducing under the condition of deadweight, strengthen superimposed sheet structural bearing capacity, shock resistance and fire-fighting effect, to meet the development need of large span, large spatial structure form.
The light-duty superimposed sheet of a kind of both ends open formula embedded light filling piece prestressed concrete of the utility model, formed by top cast in place concrete plate and lower rebar concrete prefabricated board, described lower rebar concrete prefabricated board is made up of steel concrete bottom, light filling piece internal layer and concrete skin, cage of reinforcement and concreting that described steel concrete bottom is made up of plain bars, prestressed reinforcement form, and there is domatic rim the longitudinal both sides of steel concrete bottom; Described light filling piece is arranged on steel concrete bottom, at this light filling piece end face and longitudinal dual-side concreting skin, is formed as the lower rebar concrete prefabricated board of both ends open; At the scene, in this lower rebar concrete prefabricated board upper surface, build after the cast in place concrete plate of top, be shaped to the light-duty superimposed sheet of the embedded light filling piece of both ends open formula prestressed concrete.
The cage of reinforcement of described steel concrete bottom, the transverse reinforcement of its plain bars is distributed in lower floor, and the longitudinal reinforcement of plain bars is arranged on both sides, and prestress steel is longitudinally arranged on horizontal plain bars.
What the transverse reinforcement of described steel concrete bottom layer of the reinforcing steel skeleton was arranged by longitudinal separation is made up of with the encryption transverse reinforcement that is arranged on longitudinal two ends the vertical end of П shape transverse reinforcement.
The vertical end of П shape of the vertical end of the described П of having shape transverse reinforcement is longitudinally built the reserved syndeton of splicing as superimposed sheet, highlight on steel concrete bottom domatic rim surface.
The light-duty superimposed sheet of a kind of both ends open formula embedded light filling piece prestressed concrete of the utility model, light filling piece internal layer has reduced plate weight, has good insulation, sound insulation value.Arrangement prestress reinforcing bar in plate, in the time of plate bearing load, plate bottom tension, upper portion pressurized, prevents the cracking of concrete component, improves crack resistance and the rigidity of member, has improved the service behaviour of structure.Precast concrete superimposed sheet overlap joint platform and adjacent panels and rear pouring concrete were built and were integrated, and have improved structural integrity and overall shock resistance in use later stage.In addition, part of the present invention is prefabrication moulding, can suitability for industrialized production, shorten construction period, reduce costs.
Brief description of the drawings
Fig. 1 the utility model superimposed sheet chpn discloses schematic diagram;
Fig. 2 the utility model steel concrete bottom layer of the reinforcing steel distribution schematic diagram;
The steel concrete bottom schematic diagram of Fig. 3 the utility model lower rebar concrete prefabricated board;
Fig. 4 the utility model superimposed sheet vertical section schematic diagram;
Fig. 5 the utility model moulding lower rebar concrete prefabricated board shaping schematic view;
Detailed description of the invention
The light-duty superimposed sheet of the novel a kind of both ends open formula of this use embedded light filling piece prestressed concrete, formed by top cast in place concrete plate A and lower rebar concrete prefabricated board B, described lower rebar concrete prefabricated board B is by steel concrete bottom 1, outer 3 compositions of light filling piece internal layer 2 and concrete, the cage of reinforcement of described steel concrete bottom 1 is made up of plain bars and prestressed reinforcement, plain bars is: the vertical end of П shape transverse reinforcement 6 is by longitudinal separation setting, encrypt transverse reinforcement 5 and be distributed in longitudinal two ends, longitudinal reinforcement 7 use tensioning equipments are arranged between light filling sandwich layer 2 and П steel bar 6, prestressed reinforcement 4 longitudinal separations are arranged in horizontal plain bars 6, on 5, the cage of reinforcement of composition steel concrete bottom 1, as Fig. 2, concreting on described cage of reinforcement, form steel concrete bottom 1, there is domatic rim 1-1 longitudinal both sides of this steel concrete bottom 1, and the vertical end of П shape of transverse reinforcement 6 vertically highlights the domatic rim in longitudinal both sides of steel concrete bottom 1, as Fig. 3, on steel concrete bottom 1, arrange mould and light filling piece internal layer 2, at this light filling piece internal layer 2 end faces and both sides concreting, form the embedded light filling piece in two ends open, its dual-side and end face have the lower rebar concrete prefabricated board B of concrete skin 3, as Fig. 5, at the scene, in this lower rebar concrete prefabricated board B upper surface, cast-in-place building after the cast in place concrete plate A of top, is shaped to the light-duty superimposed sheet of the embedded light filling piece of both ends open formula prestressed concrete, referring to Fig. 1, Fig. 4.
The reserved syndeton that the vertical end of described horizontal plain bars П shape is longitudinally built splicing as superimposed sheet highlights on steel concrete bottom domatic rim 1-1 surface.
Claims (4)
1. the light-duty superimposed sheet of the embedded light filling piece of both ends open formula prestressed concrete, formed by top cast in place concrete plate and lower rebar concrete prefabricated board, it is characterized in that, described lower rebar concrete prefabricated board is made up of steel concrete bottom, light filling piece internal layer and concrete skin, cage of reinforcement and concreting that described steel concrete bottom is made up of plain bars, prestressed reinforcement form, and there is domatic rim the longitudinal both sides of steel concrete bottom; Described light filling piece is arranged on steel concrete bottom, at this light filling piece end face and longitudinal dual-side concreting skin, is formed as the lower rebar concrete prefabricated board of both ends open; At the scene, in this lower rebar concrete prefabricated board upper surface, build after the cast in place concrete plate of top, be shaped to the light-duty superimposed sheet of the embedded light filling piece of both ends open formula prestressed concrete.
2. the light-duty superimposed sheet of a kind of both ends open formula according to claim 1 embedded light filling piece prestressed concrete, it is characterized in that, the cage of reinforcement of steel concrete bottom, the transverse reinforcement of its plain bars is distributed in lower floor, the longitudinal reinforcement of plain bars is arranged on both sides, and prestress steel is longitudinally arranged on horizontal plain bars.
3. the light-duty superimposed sheet of a kind of both ends open formula according to claim 1 embedded light filling piece prestressed concrete, it is characterized in that, what the transverse reinforcement of steel concrete bottom layer of the reinforcing steel skeleton was arranged by longitudinal separation is made up of with the encryption transverse reinforcement that is arranged on longitudinal two ends the vertical end of П shape transverse reinforcement.
4. the light-duty superimposed sheet of a kind of both ends open formula according to claim 1 embedded light filling piece prestressed concrete, it is characterized in that, there is the vertical end of П shape of the vertical end of П shape transverse reinforcement longitudinally to build the reserved syndeton of splicing as superimposed sheet, highlight on steel concrete bottom domatic rim surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320848925.2U CN203654561U (en) | 2013-12-20 | 2013-12-20 | Light superimposed pre-stressed concrete slab with both ends opened and light padding blocks embedded |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320848925.2U CN203654561U (en) | 2013-12-20 | 2013-12-20 | Light superimposed pre-stressed concrete slab with both ends opened and light padding blocks embedded |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203654561U true CN203654561U (en) | 2014-06-18 |
Family
ID=50920968
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320848925.2U Expired - Fee Related CN203654561U (en) | 2013-12-20 | 2013-12-20 | Light superimposed pre-stressed concrete slab with both ends opened and light padding blocks embedded |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203654561U (en) |
-
2013
- 2013-12-20 CN CN201320848925.2U patent/CN203654561U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140618 Termination date: 20151220 |
|
| EXPY | Termination of patent right or utility model |