CN202899348U - Non-bearing type light thin-wall shock-absorption partition wall - Google Patents
Non-bearing type light thin-wall shock-absorption partition wall Download PDFInfo
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- CN202899348U CN202899348U CN 201220326839 CN201220326839U CN202899348U CN 202899348 U CN202899348 U CN 202899348U CN 201220326839 CN201220326839 CN 201220326839 CN 201220326839 U CN201220326839 U CN 201220326839U CN 202899348 U CN202899348 U CN 202899348U
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- wallboard
- partition wall
- wall
- cement
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Abstract
The utility model provides a non-bearing type light thin-wall shock-absorption partition wall. The non-bearing type light thin-wall shock-absorption partition wall comprises wallboards made of cement-based materials, the thickness of each wallboard is 10-20mm, the cement-based materials are ultra high toughness cementitious composites (UHTCC), the wallboards are connected into a partition wall body through one mode or any two modes or any three modes of an embedded part connection mode, a mortar bonding connection mode and a slant iron pin connection mode. The non-bearing type light thin-wall shock-absorption partition wall has the advantages of being high in strength, small in thickness, fire resistant, impervious, durable, low in thermal conductivity, low-carbon, energy-saving, and the like.
Description
Technical field
The utility model belongs to the novel wall material technical field, relates to a kind of making and assembling method of non-bearing formula lightweight thin-walled damping partition wall.
Background technology
At present, the materials for wall of China has presented diversified general layout, and the innovation of most of construction materials and propelling all are as direction take energy-saving low-carbon, such as foam concrete, light sand-lime bricks etc., though materials has from heavy and light, characteristics that thermal technology's property is good, the shortcomings such as intensity is low, thickness is large but exist, and easy to crack, endurance quality is poor have limited its application in construction wall to a great extent.
Summary of the invention
The purpose of this utility model provides a kind of non-bearing formula lightweight thin-walled damping partition wall.This kind partition wall has that intensity is high, thin thickness, the advantage such as anti-fire is impervious, good endurance, thermal conductivity are low, low-carbon energy-saving.For this reason, the utility model is by the following technical solutions:
It comprises the wallboard that is made of cement-based material, and the thickness of described wallboard is 10 ~ 20mm, and described cement-based material is superhigh tenacity cement-base composite material UHTCC;
In the following manner wherein a kind of or any two or three connect into the partition wall body of wall of described wallboard: built-in fitting connects, mortar cohere connect, oblique iron pin connects.
On the basis of adopting technique scheme, the utility model also can adopt following further technical scheme:
Be connected with nailing between described wallboard and wallboard top building, perhaps/and described wallboard is connected with wallboard top building with built-in fitting.
Be connected with ground to connect and build with ground with pea gravel concreten and link together in described wallboard bottom.
Described superhigh tenacity cement-base composite material UHTCC, its stretching strain ability reaches more than 1%, and crack width is less than 100 μ m under the ultimate tensile strength.Thermal conductivity is less than or equal to 0.529w/m.k.
In UHTCC, go back the admixture chopped strand, described chopped strand is a kind of or any number of any combination in polyethylene fibre (PE), vinal (PVA), carbon fiber, steel fibre, the assorted fibre, the length of chopped strand is generally at 5-15mm, and chopped strand is 1% ~ 3% with respect to the volume volume of wallboard.
It is cement that the mortar matrix of described superhigh tenacity cement-base composite material respectively forms mass ratio: water: meticulous aggregate: flyash: silicon ash: granulated blast-furnace slag: metakaolin=1:(0.27 ~ 2.2): (0 ~ 3): (0 ~ 6.9): (0 ~ 0.3): (0 ~ 0.55): (0 ~ 0.4); wherein the maximum particle diameter of meticulous aggregate is not more than 0.55mm, is zero during the varying in weight of flyash, silicon ash, granulated blast-furnace slag, metakaolin.The slump cone expansion diameter range that adds the mortar matrix of chopped strand is between 60mm ~ 70mm.In addition, in practical operation, for the flowability of improving cement mortar but keep the cohesion of mortar, usually admixture and cementitious material mass ratio less than 3% water reducing agent and mass ratio less than 0.3% thickener, for fear of excessive porosity, also can add with the cementitious material mass ratio less than 0.1% defoamer.
Described chopped strand is preferably vinal (PVA), and this kind fibre length is 10 ~ 14mm, and diameter is 38mm ~ 45mm, and its tensile strength is that tensile modulus of elasticity is about 43GPa about 1600MPa, and elongation rate is between 5% ~ 9%.
The inventor by to be the length of time 56d described wallboard piece material (direct tensile test of 350mm * 50mm * 15mm), the ultimate tensile strength that records this kind material is 4.04%, ultimate tensile strength is 5.08MPa; In four-point bending test, reach in the peak value process at incipient crack to load, a large amount of fine and closely woven cracks appear in the test specimen, and the ultimate bending strength of wallboard is 13.1MPa, and the amount of deflection that span centre point was corresponding when load reached peak value is near 1/10 of span.Above-mentioned test shows, this kind wallboard has significant strain hardening feature, and its fragility ratio levels off to 0, is suitable as the materials for wall of earthquake hotspot.
The inventor carries out the damage tolerance that the superhigh tenacity cement-base composite material is evaluated in direct tensile test by the described wallboard to the bilateral symmetry opening, test shows this kind material to initial imperfection and insensitive, and the existence of initial imperfection does not affect the ultimate tension of material.This high damage tolerance ability of this material is so that the wallboard installation process can adopt the built-in fittings such as iron pin to connect.
In addition, the superhigh tenacity cement-base composite material also has the endurance quality of good impervious, shock resistance, freeze thawing resistance, antistripping and chloride-penetration resistance, can satisfy structure function in the construction wall design and the requirement of building energy conservation.The partition wall made from this kind material from heavy and light, thin thickness, can lessly take up space, increase the room effective area, be suitable for the building that bathroom, washroom etc. have specific (special) requirements or earthquake district occurred frequently.
To sum up, consider from the angle of low-carbon energy-saving, wallboard provided by the utility model has lower thermal conductivity, and thermal conductivity only is 0.529w/m.k, less than 1/3rd of ordinary concrete; And the raw material of wallboard all adopts industrial waste, and crack width and free dry the contraction can also be effectively controlled in the use of generation, particularly flyash that can reduce the chemically polluted water of 55% carbon dioxide and 60%, avoid traditional materials for wall shortcoming easy to crack.From security performance, because wallboard of the present utility model has extremely strong energy dissipation power, partition wall of the present utility model has overcome the fragility of ordinary concrete and the shortcoming of interface peel, possess excellent anti-seismic performance and the performance of anti-strip, has very strong earthquake absorptive capacity, and can satisfy the relevant regulations of " light partition board for building " GB/T23451-2009, meet under the prerequisite of code requirement, but flexible design wallboard shape and thickness.From the body of wall use angle, the thickness of partition wall of the present utility model only is 10 ~ 20mm, can accomplish effectively that thin-wall high-strength, light weight are impervious, has not only increased the building usable floor area, and can alleviate the building deadweight, has preferably economic benefit.From construction technology, because the superhigh tenacity cement-base composite material has higher damage tolerance ability, wallboard hammers into the iron pin when installing and not cracked.The prefabricated process of wallboard of the present utility model is simple, easily industrial-scale production, and lighter weight, transportation, easy for installation, wallboard is broken, and to change rear replacement easy, is convenient to remove, and will be used widely in from now on construction work.
Description of drawings
Fig. 1 is that wallboard of the present utility model is by cohering the fixing floor map that consists of partition wall of mortar.
Fig. 2 is that wallboard of the present utility model is by the fixing floor map that consists of partition wall of built-in fitting.
The specific embodiment
Partition wall provided by the utility model comprises the wallboard 2 that is made of cement-based material, and the thickness of described wallboard is 10 ~ 20mm, and described cement-based material is superhigh tenacity cement-base composite material UHTCC; The shape of wallboard described in the present embodiment 2 is slab, is meeting under the prerequisite of code requirement, also can make the flexible design of other shape and thickness to wallboard shape and thickness.
It is cement that the mortar matrix of superhigh tenacity cement-base composite material respectively forms mass ratio: water: meticulous aggregate: flyash: silicon ash: granulated blast-furnace slag: metakaolin=1:(0.27 ~ 2.2): (0 ~ 3): (0 ~ 6.9): (0 ~ 0.3): (0 ~ 0.55): (0 ~ 0.4); wherein the maximum particle diameter of meticulous aggregate is not more than 0.55mm; be zero during the varying in weight of flyash, silicon ash, granulated blast-furnace slag, metakaolin; in addition; also add chopped strand in mortar matrix, chopped strand is 1% ~ 3% with respect to the volume volume of wallboard.The slump cone expansion diameter range that adds the mortar matrix of chopped strand is between 60mm ~ 70mm.
Described chopped strand is a kind of or any number of any combination in polyethylene fibre (PE), vinal (PVA), carbon fiber, steel fibre, the assorted fibre.
The wallboard that is prefabricated into is transported to first the steam curing chamber, leaves standstill 5 ~ 6 hours before logical steam, and temperature is controlled at about 30 degrees centigrade, avoids the defective that causes because of thermal stresses.Steam curing demoulding after 2 days, the maintenance of sprinkling water again is to reaching desirable strength.
It is not broken because the high damage tolerance of superhigh tenacity cement-base composite material, wallboard can directly hammer into nailing in installation process.If door opening is arranged, erection sequence should carry out to two ends successively from door opening; If without door opening, should carry out according to order from one end to the other side.The concrete steps that partition wall is built are as follows: (1) is according to drawing partition wall position line processed; (2) carry out assembly unit wallboard 2 according to erection sequence, install and require prefabricated panel in the wallboard process vertically and surfacing, can adopt the 2m guiding ruler to check verticality and planeness; (3) as shown in Figure 1, the bonding surface in partition board upper end and side spreads to smear and coheres mortar 1, and the mortar joint width of mortar is advisable with 2 ~ 3mm, generally is no more than 5mm; (4) lever up the lower end of wallboard 2, squeeze into timber wedge 3, hold out against wallboard and wallboard top building, and pea gravel concreten 4 is inserted in the space between timber wedge; (5) after the pea gravel concreten scleroma, lever up timber wedge, build ground.Construction and acceptance criteria should satisfy " materials for wall is used unified technical specification " requirement (GB50574-2010).
In the present embodiment, described wallboard 3 connects into the partition wall body of wall by oblique iron pin 1; Be connected with nailing 2 between described wallboard and wallboard top building; Also can be embedded into the built-in fitting 2 that is connected for the top building in the described wallboard 3.
The concrete steps that partition wall is built are as follows: (1) is according to drawing partition wall position line processed; (2) carry out assembly unit wallboard 3 according to erection sequence, install and require prefabricated panel in the wallboard process vertically and surfacing, can adopt the 2m guiding ruler to check verticality and planeness; (3) as shown in Figure 2, be fixed by built-in fitting 2 between panel and the wallboard top building, adopt iron pin 1 to be connected between wallboard and the wallboard; (4) lever up the lower end of wallboard 3, squeeze into timber wedge 4, hold out against wallboard and wallboard top building, and insert pea gravel concreten 5 in 4 spaces of timber wedge; (5) after pea gravel concreten scleroma, lever up timber wedge, build ground and link together with pea gravel concreten.Construction and acceptance criteria should satisfy " materials for wall use unified technical specification " wanting (GB50574-2010)
Claims (5)
1. a non-bearing formula lightweight thin-walled damping partition wall is characterized in that it comprises the wallboard that is made of cement-based material, and the thickness of described wallboard is 10 ~ 20mm, and described cement-based material is superhigh tenacity cement-base composite material UHTCC;
In the following manner wherein a kind of or any two or three connect into the partition wall body of wall of described wallboard: built-in fitting connects, mortar cohere connect, oblique iron pin connects.
2. a kind of non-bearing formula lightweight thin-walled damping partition wall as claimed in claim 1 is characterized in that being connected with nailing between described wallboard and wallboard top building, perhaps/and described wallboard is connected with wallboard top building with built-in fitting.
3. a kind of non-bearing formula lightweight thin-walled damping partition wall as claimed in claim 1 is characterized in that being connected with ground to connect and build with ground with pea gravel concreten in described wallboard bottom to link together.
4. a kind of non-bearing formula lightweight thin-walled damping partition wall as claimed in claim 1, it is characterized in that described superhigh tenacity cement-base composite material UHTCC, its stretching strain ability reaches more than 1%, and crack width is less than 100 μ m under the ultimate tensile strength, and thermal conductivity is less than or equal to 0.529w/m.k.
5. a kind of non-bearing formula lightweight thin-walled damping partition wall as claimed in claim 1, it is characterized in that described chopped strand is vinal (PVA), this kind fibre length is 10 ~ 14mm, diameter is 38mm ~ 45mm, its tensile strength is about 1600MPa, tensile modulus of elasticity is about 43GPa, and elongation rate is between 5% ~ 9%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220326839 CN202899348U (en) | 2012-07-06 | 2012-07-06 | Non-bearing type light thin-wall shock-absorption partition wall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220326839 CN202899348U (en) | 2012-07-06 | 2012-07-06 | Non-bearing type light thin-wall shock-absorption partition wall |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202899348U true CN202899348U (en) | 2013-04-24 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220326839 Expired - Fee Related CN202899348U (en) | 2012-07-06 | 2012-07-06 | Non-bearing type light thin-wall shock-absorption partition wall |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202899348U (en) |
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2012
- 2012-07-06 CN CN 201220326839 patent/CN202899348U/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: 20130424 Termination date: 20180706 |
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| CF01 | Termination of patent right due to non-payment of annual fee |