CN204001407U - Precast shear wall - Google Patents
Precast shear wall Download PDFInfo
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- CN204001407U CN204001407U CN201420373494.3U CN201420373494U CN204001407U CN 204001407 U CN204001407 U CN 204001407U CN 201420373494 U CN201420373494 U CN 201420373494U CN 204001407 U CN204001407 U CN 204001407U
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- lobe wallboard
- warming plate
- shear wall
- internal lobe
- wallboard
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Abstract
The utility model discloses a kind of precast shear wall, comprise internal lobe wallboard, be successively set on warming plate and siphonal lobe wallboard on described internal lobe wallboard, described internal lobe wallboard, warming plate and siphonal lobe wallboard are compounded to form integrative-structure; Also comprise connector, described connector interts between described warming plate, described siphonal lobe wallboard and internal lobe wallboard, and described warming plate, described siphonal lobe wallboard and internal lobe wallboard are connected.Precast shear wall of the present utility model, is the integrative-structure body of wall being compounded to form by internal lobe wallboard, warming plate and siphonal lobe wallboard, and shock resistance, structural strength and anti-shear ability are strong, are applicable in bottom and highrise building; Wherein, be also plugged between warming plate, internal lobe wallboard and siphonal lobe wallboard by connector, make the combination of warming plate, internal lobe wallboard and siphonal lobe wallboard tightr, improve safety.
Description
Technical field
The utility model relates to building field, particularly a kind of precast shear wall.
Background technology
Along with social development, assembled-type house slowly becomes the main flow of dwelling construction.A large amount of assembled type concrete prefabricated parts has been carried out industrialization, has been produced by industrial worker, and job site is just taking assembling and installation operation as main.For assembled-type house is rapidly developed meeting on green, environmental protection and energy-conservation basis, need supporting lightweight, high-strength and energy-conservation prefabricated units be assisted the precast shear wall in support, particularly prefabricated units.Shear wall replaces the beam column in frame construction in building, can bear the internal force that all kinds of loads cause, and the effective horizontal force of control structure, is widely used in house, particularly high residential building.And in prior art, precast shear wall also fails to meet above-mentioned requirements and suitability for industrialized production, limit the development of assembled-type house.
Utility model content
The technical problems to be solved in the utility model is, for the defect of existing correlation technique existence, provides the precast shear wall that a kind of shock resistance is strong.
The utility model solves the technical scheme that its technical problem adopts: a kind of precast shear wall is provided, comprise internal lobe wallboard, be successively set on warming plate and siphonal lobe wallboard on described internal lobe wallboard, described internal lobe wallboard, warming plate and siphonal lobe wallboard are compounded to form integrative-structure; Also comprise connector, described connector interts between described warming plate, described siphonal lobe wallboard and internal lobe wallboard, and described warming plate, described siphonal lobe wallboard and internal lobe wallboard are connected.
Preferably, described warming plate is flame retardant extrusion moulding polyphenyl plate.
Preferably, described connector is glass fiber connector.
Preferably, this precast shear wall also comprises the packed layer being embedded in described internal lobe wallboard.
Preferably, described packed layer is polyphenyl packed layer or foamed concrete layer.
Preferably, the thickness of described internal lobe wallboard is greater than the thickness of described siphonal lobe wallboard.
Precast shear wall of the present utility model, is the integrative-structure body of wall being compounded to form by internal lobe wallboard, warming plate and siphonal lobe wallboard, and shock resistance, structural strength and anti-shear ability are strong, are applicable in bottom and highrise building; Wherein, be also plugged between warming plate, internal lobe wallboard and siphonal lobe wallboard by connector, make the combination of warming plate, internal lobe wallboard and siphonal lobe wallboard tightr, improve safety.The production method of this precast shear wall is simple to operate, cost is low, is conducive to realize suitability for industrialized production.
In addition,, by selecting flame retardant extrusion moulding polyphenyl plate as warming plate, heat insulation effect and fire resistance rating are good; By bury packed layer underground in internal lobe wallboard, reduce the weight of integral prefabricated shear wall, reach the effect of lightweight.
Brief description of the drawings
Below in conjunction with drawings and Examples, the utility model is described in further detail, in accompanying drawing:
Fig. 1 is the perspective view of the precast shear wall (reinforcing bar is not shown) of the utility model one embodiment;
Fig. 2 is the lateral view of the precast shear wall of the utility model one embodiment;
Fig. 3 is the perspective structure schematic diagram of the precast shear wall of the utility model one embodiment;
Fig. 4 is adjacent two siphonal lobe wallboard connecting structure schematic diagrames in the precast shear wall of the utility model one embodiment;
Fig. 5 is the production method flow chart of the precast shear wall of the utility model one embodiment.
Detailed description of the invention
As Figure 1-3, the precast shear wall of the utility model one embodiment, comprise internal lobe wallboard 1, be successively set on warming plate 2 and siphonal lobe wallboard 3 on internal lobe wallboard 1, internal lobe wallboard 1, warming plate 2 and siphonal lobe wallboard 3 are compounded to form integrative-structure, thereby shock resistance, structural strength and anti-shear ability are strong, be applicable in bottom and highrise building.
In this precast shear wall, internal lobe wallboard 1 is as bottom, and siphonal lobe wallboard 3 is as surface layer, and warming plate 2, as interlayer, plays insulation effect, and the thickness of internal lobe wallboard 1 is greater than the thickness of siphonal lobe wallboard 3 and warming plate 2.The thickness proportion of internal lobe wallboard 1 and siphonal lobe wallboard 3 can be 2:1-5:1, preferably 4:1, and for example, in the time of internal lobe wallboard 1 thickness 200mm, siphonal lobe wallboard 3 thickness can be 50mm.The thickness of warming plate 2 is preferably less than the 3 thickness settings of siphonal lobe wallboard, ensureing to play insulation effect when, can not affect the structural strength of precast shear wall.Internal lobe wallboard 1 and siphonal lobe wallboard 3 are by concrete slurry casting moulding, its raw material by following mass fraction is made: cement 340-450 part, stone flour 780-850 part, stone 650-750 part, water 120-220 part and water reducing agent 5.5-7.5 part, and reducing agent can suitably increase and decrease according to practical operation; Wherein, water reducing agent can adopt polycarboxylate water-reducer.Further, siphonal lobe wallboard 3 and/or internal lobe wallboard 1 are preferably made up of the raw material of following mass fraction: 6.5 parts of 390 parts of cement, 825 parts of stone flours, 710 parts, stone, 170 parts, water and water reducing agents, and reducing agent can be according to practical operation suitably increase and decrease within the scope of 5.5-7.5 part; The preferred 20mm of particle diameter of stone.In addition, in above-mentioned raw material, also can further comprise the stone of particle diameter 10mm, preferably 280 parts of its mass fractions.The raw material of internal lobe wallboard 1 and siphonal lobe wallboard 3 is not limited to the above, and its raw material that also can be adopted by prior art is made, and the raw material of internal lobe wallboard 1 and siphonal lobe wallboard 3 can be identical or different.
Internal lobe wallboard 1 and siphonal lobe wallboard 3 are that concrete slurry and the cage of reinforcement prepared by above-mentioned raw materials are built moulding.Usually, the cage of reinforcement of internal lobe wallboard 1 adopts reinforcing cage, and the cage of reinforcement of siphonal lobe wallboard 3 adopts steel mesh reinforcement; And in order to facilitate between precast shear wall or the assembling of precast shear wall and other prefabricated components etc., at least one side of internal lobe wallboard 1 is exposed reinforcing bar 11.Preferably all expose the relative both sides of internal lobe wallboard 1 and top side reinforcing bar 11.
In the present embodiment, warming plate 2 is flame retardant extrusion moulding polyphenyl plate, has excellence and lasting heat-insulation and heat-preservation and anti-flammability, and its fire resistance rating is good, can reach B2 level; .The thickness of warming plate 2 is selected according to actual needs.
This precast shear wall also comprises connector (not shown), connector interts between warming plate 2, siphonal lobe wallboard 3 and internal lobe wallboard 1, warming plate 2, siphonal lobe wallboard 3 and internal lobe wallboard 1 are connected, make the combination of warming plate 2, internal lobe wallboard 1 and siphonal lobe wallboard 3 tightr, improve safety.This connector is in precast shear wall, and through warming plate 2, and its one end is plugged in internal lobe wallboard 1, and the other end is plugged in siphonal lobe wallboard 3, reaches effectively internal lobe wallboard 1, warming plate 2 and siphonal lobe wallboard 3 are linked together.Connector is strip, and it can be glass fiber connector or other nonmetal connector.
Further, this precast shear wall also comprises the packed layer 4 being embedded in internal lobe wallboard 1, and the setting of packed layer 4 can reduce the weight of internal lobe wallboard 1, thereby reduces the weight of integral prefabricated shear wall, reaches the effect of lightweight.The precast shear wall of lightweight, convenient carrying, assembling.Packed layer 4 can be polyphenyl packed layer or foamed concrete layer; Wherein foamed concrete layer is the sheet material of being built moulding by foamed concrete, after building in advance moulding, buries underground in internal lobe wallboard 1 again.
Further, also can be provided with the connecting elements 5 of welding use at least one edge of internal lobe wallboard 1, as iron plate etc., the connecting elements of precast shear wall and other prefabricated components can be welded together by connecting elements 5, or precast shear wall is welded on to pedestal equipotential is set up.In addition, on the plate face of internal lobe wallboard 1 and/or edge, also can be provided with the lifting part 6 of lifting use, as nut etc., facilitate hanging device that precast shear wall is lifted into position to be assembled or lifts carrying.
Further, as shown in Figure 2,4, at least opposite end end face at siphonal lobe wallboard 3 is also provided with suitable location structure, the end face at this location structure place higher than the corresponding end face of internal lobe wallboard 1, positions assembly thereby facilitate between adjacent two precast shear walls by the location structure on siphonal lobe wallboard 3 in level.Location structure can comprise suitable locating slot 71 and positioning rib 72; And location structure is one-body molded on siphonal lobe wallboard 3, ensure the globality of siphonal lobe wallboard 3.
In conjunction with Fig. 1-5, the production method of precast shear wall of the present utility model, can comprise the following steps:
S1, assembled mould also carry out pretreatment to mould.Pretreatment comprise to mould inner surface clean, brushing demoulding wet goods.In this mould, there is the internal lobe wallboard chamber and the siphonal lobe wallboard chamber that are connected; The brushing of mold oil facilitates the precast shear wall after follow-up curing molding to deviate from from mould.
S2, prepare the concrete slurry of internal lobe wallboard 1 and siphonal lobe wallboard 3.
The concrete grout preparation method for material of internal lobe wallboard 1 and siphonal lobe wallboard 3 is as follows: take each raw material according to internal lobe wallboard 1 and the each material quality umber of siphonal lobe wallboard 3 respectively, more each raw material is mixed and stirred.The concrete slurry of internal lobe wallboard 1 and siphonal lobe wallboard 3 can be identical or different, only need prepare a concrete slurry when identical, when different, needs to prepare respectively.
S3, in mould, place cage of reinforcement, by the concrete slurry casting of internal lobe wallboard 1, in mould and cover cage of reinforcement, vibration makes slurry smooth, even, forms internal lobe wallboard 1.
The preferred reinforcing cage of cage of reinforcement, colligation is in advance good, is placed in the internal lobe wallboard chamber in mould when placement; The concrete slurry casting of internal lobe wallboard 1, in this internal lobe wallboard chamber, and forms internal lobe wallboard 1 in this internal lobe wallboard chamber.
In this step S3, also can, before building slurry, in cage of reinforcement, place packed layer 4, as polyphenyl packed layer or built in advance the sheet material of moulding by foamed concrete, to reduce the weight of internal lobe wallboard 1 of formation, reach lightweight effect.Because cage of reinforcement adopts reinforcing cage, packed layer 4 is positioned in reinforcing cage, after concreting slurry, concrete slurry is also by coated packed layer 4.
In addition, placing when reinforcing cage, the extended internal lobe wallboard of reinforcing bar 1 chamber of at least one side of reinforcing cage, at least one side of the internal lobe wallboard 1 of subsequent forming is exposed reinforcing bar 11.Before concreting slurry, also can in internal lobe wallboard chamber, place the connecting elements 5 of welding use and/or the lifting part 6 of lifting use; On the internal lobe wallboard 1 that this connecting elements 5 and lifting part 6 also can form after concrete slurry casting, place.
S4, on internal lobe wallboard 1, place warming plate 2, and plug connector on warming plate 2, one end of connector is injected in internal lobe wallboard 1 through warming plate 2, the other end exposes on warming plate 2 relatively.
In this step, connector can plug on it after warming plate 2 is placed on internal lobe wallboard 1 again, also can be plugged in advance on warming plate 2, then warming plate 2 is placed on internal lobe wallboard 1 together with connector.
S5, on warming plate 2, place again cage of reinforcement, the concrete slurry casting of siphonal lobe wallboard 3 is covered on warming plate 2 and by the other end of cage of reinforcement and connector, vibration makes slurry smooth, even, forms the siphonal lobe wallboard 3 being compounded on internal lobe wallboard 1 and warming plate 2.
In this step, the preferred steel mesh reinforcement of cage of reinforcement, welds in advance, and siphonal lobe wallboard chamber when placement in corresponding mould is placed on warming plate 2 tops; The concrete slurry casting of siphonal lobe wallboard 3, in this siphonal lobe wallboard chamber, and covers warming plate 2, and the other end of steel mesh reinforcement and connector is coated, to form siphonal lobe wallboard 3.
In addition, by the setting to mould, also can make at least opposite end of the siphonal lobe wallboard 3 forming be formed with location structure, facilitate being located by connecting between adjacent two siphonal lobe wallboards 3.
S6, the internal lobe wallboard 1 being combined with each other and siphonal lobe wallboard 3 are carried out to precuring, receive light and steam test maintenance processing, the demoulding after curing molding, obtains precast shear wall.
In this step S6, precuring and steam test maintenance include intensification maintenance stage, thermostatic curing stage and the cooling maintenance stage of carrying out successively; The maximum temperature of precuring is no more than 45 DEG C, and the maximum temperature of steam test maintenance is no more than 60 DEG C; The humidity of precuring and steam test maintenance all >=95%.
Precuring and steam test maintenance are processed and mainly in concrete, are carried out.Wherein, in the intensification maintenance stage of precuring, temperature is slowly risen to 40 DEG C of left and right from normal temperature in about 10 minutes, be the highlyest no more than 45 DEG C; Temperature is elevated to behind 40 DEG C of left and right, keeps this thermostatic curing stage that is precuring about 40 minutes; After the thermostatic curing stage, temperature is slowly down to normal temperature in about 10 minutes, this is the cooling maintenance stage; After completing, the cooling maintenance stage completes precuring.Time in each stage of precuring is not limited to the above, specifically can extend or shorten according to raw material, performance requirement etc.
In the intensification maintenance stage of steam test maintenance, temperature is slowly risen to 55 DEG C of left and right from normal temperature in about 60 minutes, be the highlyest no more than 60 DEG C; Temperature is elevated to behind 55 DEG C of left and right, keeps the thermostatic curing stage that this is steam test maintenance about 120 minutes; After the thermostatic curing stage, temperature is slowly down to normal temperature in about 90 minutes, this is the cooling maintenance stage; After completing, the cooling maintenance stage completes steam test maintenance.Time in each stage of steam test maintenance is not limited to the above, specifically can extend or shorten according to raw material, performance requirement etc.
Understandably, above-mentioned precuring, receipts light and steam test maintenance are processed and all can be adopted existing techniques in realizing.
Further, after step S6, also can comprise to precast shear wall surface clean, polishing and waterproofing work, to obtain, outward appearance is better, the precast shear wall of good waterproof performance.
From the above, the production method of this precast shear wall, simple to operate, cost is low, is conducive to realize suitability for industrialized production.
By specific embodiment, utility model is described further below.
Take each raw material and be prepared into concrete slurry according to the each material quality umber of table 1, preparing precast shear wall according to aforementioned production method.
Table 1
According to GB/T8626 Test method of flammability for building materials, the warming plate used in the above-mentioned first to the 3rd embodiment is carried out to combustibility test, according to the classification of GB/T8624 Classification on burning behaviour for building materials, fire resistance rating all reaches B2; By GB/T8813, warming plate is carried out respectively to compressive strength test, sample dimensions is (100.0 ± 1.0) mm × (100.0 ± 1.0) mm × thickness, the compressive strength that records three warming plates in embodiment is respectively 263KPa, 283Kpa and 287KPa, meets X250 technical requirements in technical indicator GB/T10801.2-2002.
The precast shear wall that the first to the 3rd embodiment is made is designed to respectively the shear wall test specimen that three ratio of shear span to effective depth of section are 1.5, and it is carried out to Low-cycle Test, record antidetonation cracking horizontal loading and be respectively 58.15KN, 65.22KN, 62.85KN, surrender horizontal loading is respectively 163.84KN, 196.35KN, 182.86KN, Limiting Level load is respectively 193.14KN, 214.58KN, 201.95KN, from the data obtained, the shear wall shock resistance that embodiment makes is strong, meets the requirement of GB50011-2001 seismic design provision in building code.
Use Schmidt hammer to test respectively the prepared precast shear wall structural strength of the first to the 3rd embodiment, the concrete structural strength that records three embodiment is respectively 36.6MPa, 37.2MPa, 36.8MPa, structural strength is strong, reaches GB50010-2002 Code for design of concrete structures related request.
The foregoing is only embodiment of the present utility model; not thereby limit the scope of the claims of the present utility model; every equivalent structure or conversion of equivalent flow process that utilizes the utility model manual and accompanying drawing content to do; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present utility model.
Claims (6)
1. a precast shear wall, is characterized in that, comprises internal lobe wallboard, is successively set on warming plate and siphonal lobe wallboard on described internal lobe wallboard, and described internal lobe wallboard, warming plate and siphonal lobe wallboard are compounded to form integrative-structure; Also comprise connector, described connector interts between described warming plate, described siphonal lobe wallboard and internal lobe wallboard, and described warming plate, described siphonal lobe wallboard and internal lobe wallboard are connected.
2. precast shear wall according to claim 1, is characterized in that, described warming plate is flame retardant extrusion moulding polyphenyl plate.
3. precast shear wall according to claim 1, is characterized in that, described connector is glass fiber connector.
4. precast shear wall according to claim 1, is characterized in that, this precast shear wall also comprises the packed layer being embedded in described internal lobe wallboard.
5. precast shear wall according to claim 4, is characterized in that, described packed layer is polyphenyl packed layer or foamed concrete layer.
6. precast shear wall according to claim 1, is characterized in that, the thickness of described internal lobe wallboard is greater than the thickness of described siphonal lobe wallboard.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420373494.3U CN204001407U (en) | 2014-07-07 | 2014-07-07 | Precast shear wall |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420373494.3U CN204001407U (en) | 2014-07-07 | 2014-07-07 | Precast shear wall |
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| CN204001407U true CN204001407U (en) | 2014-12-10 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104110095A (en) * | 2014-07-07 | 2014-10-22 | 深圳海龙建筑制品有限公司 | Pre-cast shear wall and production method thereof |
| CN105756233A (en) * | 2015-04-02 | 2016-07-13 | 张波 | Beam-wall composite exterior wall component |
-
2014
- 2014-07-07 CN CN201420373494.3U patent/CN204001407U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104110095A (en) * | 2014-07-07 | 2014-10-22 | 深圳海龙建筑制品有限公司 | Pre-cast shear wall and production method thereof |
| CN105756233A (en) * | 2015-04-02 | 2016-07-13 | 张波 | Beam-wall composite exterior wall component |
| CN105756233B (en) * | 2015-04-02 | 2018-01-12 | 张波 | A kind of beam wall composite exterior wall component |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 518000 Guangdong province Shenzhen city Longhua District Guanlan street community residents around the old gentleman cloth small head hill area Patentee after: Shenzhen Hailong Building Technology Co. Ltd. Address before: 518110 Guangdong city of Shenzhen province Baoan District Guanlan gentleman cloth Xingfa Road No. eight Patentee before: Shenzhen Hailong Building Product Co., Ltd. |
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| TR01 | Transfer of patent right |
Effective date of registration: 20170731 Address after: The Jining canal 272000 Station Road in Shandong province Jining City No. one five storey building No. 508 Patentee after: Shandong Hailong Construction Technology Co., Ltd. Address before: 518000 Guangdong province Shenzhen city Longhua District Guanlan street community residents around the old gentleman cloth small head hill area Patentee before: Shenzhen Hailong Building Technology Co. Ltd. |