CN104929272A - Shear wall - Google Patents
Shear wall Download PDFInfo
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- CN104929272A CN104929272A CN201510299781.3A CN201510299781A CN104929272A CN 104929272 A CN104929272 A CN 104929272A CN 201510299781 A CN201510299781 A CN 201510299781A CN 104929272 A CN104929272 A CN 104929272A
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Abstract
The invention discloses a shear wall. The shear wall comprises peripheral columns, peripheral beams and a filled plate. The filled plate consists of a front steel plate and a back steel plate, a cavity is formed between the two steel plates and filled with oil expandable fireproof sand, and X-shaped slits are formed along the diagonal directions of the steel plates and are formed inside the steel plates so as not to contact with the peripheral columns and the peripheral beams. Compared with the prior art, the shear wall has the advantages that rigidity of single wall body can be changed conveniently by means of adjusting the gap, length and the like of the slits; in case of fire, the wall body can be opened through volume expansion of expandable microspheres to release extinguishing materials in the wall body, so that on one hand, fire extinguishment is achieved, and on the other hand, after the wall body is opened, the indoor space can be communicated with the outdoor space to facilitate discharge of indoor dense smoke to the outdoor space, and fire scene visibility and personnel escape probability are increased.
Description
Technical field
The present invention relates to building field, in particular a kind of shear wall.
Background technology
Steel plate shear force wall refers to the structure of filling out steel plate on steel framed structure basis for improving the rigidity of structure and anti-seismic performance in part frame beam column.Researchers generally believe that this is the good form of structure of a kind of anti-seismic performance.This dead load is light, and speed of application is fast, and has withstood the test of earthquake.
Its classification has: without stiffened steel plate shear wall, stiffener steel plate shear force wall, slotted steel plate shear wall and steel plate-concrete combined shear wall.
In 20 century 70s and the eighties, U.S.'s major part adopts the building of steel plate shear force wall all to arrange vertical and horizontal stiffening rib in the both sides of steel plate.In Japan, the building of nearly all employing steel plate shear force wall also all arranges stiffening rib in steel plate both sides.Slotted steel plate shear wall uses for reference the concept development that military rattan Puritanism awards the concrete shear force wall that cracks of proposition, is cut out the steel plate shear force wall of a series of slit by laser on steel plate with a determining deviation.Research shows, resist shearing by form steel plate being converted to pilaster arranged side by side of offering of slit, the shear strain making steel plate original converts to based on flexural deformation.Although offer the initial anti-side rigidity that perps reduces steel plate, the energy dissipation capacity of steel plate wall can be strengthened.
Shear wall fireproof problem annoyings engineering circles always, and common scheme simply on shear wall, is applying fireproof paint.But these schemes all do not solve dense smoke and fire spreading fast problem when fire occurs.
Shear wall provided by the invention, when fire occurs, by the volume expansion of expandable microspheres, body of wall can be strutted, the extinguish material of filling in release body of wall, play on the one hand fire extinguishing effect, on the other hand, after body of wall is softened, the spring is passed through in indoor and outdoor, be conducive to indoor dense smoke to outdoor discharge, improve scene of a fire visibility.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, provide a kind of shear wall.
The present invention is achieved by the following technical solutions: a kind of shear wall, comprise Zhou Bianzhu, Zhou Bianliang and Inner fill plate, it is characterized in that: two block plates that Inner fill plate is distributed by front and back are formed, cavity is formed between two block plates, steel plate diagonally offers X-shaped slit, and X-shaped slit is arranged at steel plate inside and does not contact with Zhou Bianliang with Zhou Bianzhu.
As further improvement of these options, be filled with expansible fireproof sand in cavity, expansible fireproof sand is made up of the component of following weight ratio:
As further improvement of these options, steel plate is divided into region, four, upper and lower, left and right by X-shaped slit, steel plate is also provided with vertical slots and lateral slit, vertical slots is distributed in two pieces of regions, left and right, lateral slit is distributed in upper and lower two pieces of regions, and vertical slots does not contact with X-shaped slit with lateral slit.
As further improvement of these options, in X-shaped slit, vertical slots and lateral slit, fill neoprene.
As further improvement of these options, expandable microspheres selects low form microspheres.
As further improvement of these options, the crosspoint place of two crossed slots of X-shaped slit is provided with faulty soldered joint, and faulty soldered joint by the joint area of four on steel plate together.
As further improvement of these options, X-type slit is cross slits, steel plate is divided into upper left, lower-left, upper right and region, four, bottom right by cross slits, steel plate is also arranged and is parallel to the cornerwise left diagonal slits of steel plate and right diagonal slits, left diagonal slits is parallel to from the bottom-right diagonal of upper left, right diagonal slits is parallel to the diagonal from upper right lower left, distribute in top left region and lower right area right diagonal slits, and right regions and lower left region distribute left diagonal slits.
The present invention has the following advantages compared to existing technology: by adjusting the spacing, length etc. of slit, can change the firm of single body of wall easily, when fire occurs, can by the volume expansion of expandable microspheres, strut body of wall, the extinguish material of filling in release body of wall, play on the one hand fire extinguishing effect, on the other hand, after body of wall is softened, the spring is passed through in indoor and outdoor, is conducive to indoor dense smoke to outdoor discharge, improve scene of a fire visibility, increase personnel escape's probability.
Accompanying drawing explanation
Fig. 1 is structural representation one of the present invention.
Fig. 2 is structural representation two of the present invention.
Fig. 3 is the cross sectional representation of Inner fill plate.
Detailed description of the invention
Elaborate to embodiments of the invention below, the present embodiment is implemented under premised on technical solution of the present invention, give detailed embodiment and concrete operating process, but protection scope of the present invention is not limited to following embodiment.
Embodiment 1
As shown in figures 1 and 3, a kind of shear wall, comprise Zhou Bianzhu 2, Zhou Bianliang 1 and Inner fill plate 3, it is characterized in that: two block plates 31 that Inner fill plate 3 is distributed by front and back are formed, cavity is formed between two block plates 31, steel plate 31 diagonally offers X-shaped slit 41, and X-shaped slit 41 is arranged at steel plate 31 inside and does not contact with Zhou Bianzhu 2 with Zhou Bianliang 1.Research shows, the original shear strain of steel plate 31 can be made to convert to based on flexural deformation by offering of slit.Although offer the initial anti-side rigidity that slit reduces steel plate 31, the energy dissipation capacity of steel plate 31 wall can be strengthened.
Be filled with expansible fireproof sand 32 in cavity, expansible fireproof sand 32 is made up of the component of following weight ratio:
Magnesium hydroxide, sodium acid carbonate, saleratus are all good fire retardants, can discharge the fire-retardant gas such as steam and carbon dioxide when being heated; Expandable microspheres can make volume expansion decades of times at short notice when being heated, steel plate 31 is strutted from X-shaped slit 41, fire retardant matter in release body of wall, play the effect putting out a fire and prevent fire spreading, indoor and outdoor environment connect by body of wall softened in addition, the dense smoke produced in fire is discharged, thus adds the visibility in the scene of a fire, increases personnel escape's probability.
Steel plate 31 is divided into region, four, upper and lower, left and right by X-shaped slit 41, steel plate 31 is also provided with vertical slots 43 and lateral slit 42, vertical slots 43 is distributed in two pieces of regions, left and right, lateral slit 42 is distributed in upper and lower two pieces of regions, and vertical slots 43 does not contact with X-shaped slit 41 with lateral slit 42.The effect of lateral slit 42 and vertical slots 43 is, adds on the one hand the absorptive capacity of the side direction deformation of steel plate 31, and on the other hand, when making fire during expanded by heating, body of wall is more easily softened.
Neoprene is filled in X-shaped slit 41, vertical slots 43 and lateral slit 42.By the scheme that slit is filled with neoprene, enhance the ability of the absorption transverse shearing force of steel plate 31 on the one hand, whippy neoprene effectively can also absorb the vibrations of steel plate 31 on the other hand, owing to defining cavity between steel plate 31, the filling of expansible fireproof sand reaches inadequate consolidation, steel plate 31 is easy to vibrations and produces noise, neoprene absorbs vibrations thus serves the effect of noise reduction, in addition, neoprene belongs to firing-difficult matter, can not to burn when fire occurs or combustion-supporting, again, husky 32 seepages of expansible fireproof be filled in steel plate 31 internal cavities effectively can also be prevented with neoprene filling slit.
Expandable microspheres selects low form microspheres.Low form expandable microspheres can start when 80-90 DEG C to expand, and just carries out putting out prevention at fire early period of origination.Improve building safety.
The crosspoint place of two crossed slots of X-shaped slit 41 is provided with faulty soldered joint 5, and faulty soldered joint 5 by the joint area of four on steel plate 31 together.With faulty soldered joint 5 by four joint areas together, faulty soldered joint 5 can resist a certain size expansion force, allows in body of wall and can accumulate certain potential energy, when accumulation of expanding breaks through the limit, body of wall pops, and that composition of effectively putting out a fire can be shed is farther, reach broad covered area, the effect that fire extinguishing scope is large.
Embodiment 2
As shown in Figures 2 and 3, a kind of shear wall, comprise Zhou Bianzhu 2, Zhou Bianliang 1 and Inner fill plate 3, it is characterized in that: two block plates 31 that Inner fill plate 3 is distributed by front and back are formed, cavity is formed between two block plates 31, steel plate 31 offers cross slits 61, steel plate 31 is divided into upper left by cross slits 61, lower-left, upper right and region, four, bottom right, steel plate 31 is also arranged and is parallel to the cornerwise left diagonal slits 62 of steel plate 31 and right diagonal slits 63, left diagonal slits 62 is parallel to from the bottom-right diagonal of upper left, right diagonal slits 63 is parallel to the diagonal from upper right lower left, distribute in top left region and lower right area right diagonal slits 63, right regions and lower left region distribute left diagonal slits 62, cross slits 61 is arranged at steel plate 31 inside and does not contact with Zhou Bianzhu 2 with Zhou Bianliang 1.Research shows, the original shear strain of steel plate 31 can be made to convert to based on flexural deformation by offering of slit.Although offer the initial anti-side rigidity that slit reduces steel plate 31, the energy dissipation capacity of steel plate 31 wall can be strengthened.Be filled with expansible fireproof sand 32 in cavity, expansible fireproof sand 32 is made up of the component of following weight ratio:
The effect of left diagonal slits 62 and right diagonal slits 63 is, adds on the one hand the absorptive capacity of the side direction deformation of steel plate 31, and on the other hand, when making fire during expanded by heating, body of wall is more easily softened.
Magnesium hydroxide, sodium acid carbonate, saleratus are all good fire retardants, can discharge the fire-retardant gas such as steam and carbon dioxide when being heated; Expandable microspheres can make volume expansion decades of times at short notice when being heated, steel plate 31 is strutted from X-shaped slit 41, fire retardant matter in release body of wall, play the effect putting out a fire and prevent fire spreading, indoor and outdoor environment connect by body of wall softened in addition, the dense smoke produced in fire is discharged, thus adds the visibility in the scene of a fire, increases personnel escape's probability.
Neoprene is filled in cross shape slit, left diagonal slits 62 and right diagonal slits 63.By the scheme that slit is filled with neoprene, enhance the ability of the absorption transverse shearing force of steel plate 31 on the one hand, whippy neoprene effectively can also absorb the vibrations of steel plate 31 on the other hand, owing to defining cavity between steel plate 31, the filling of expansible fireproof sand reaches inadequate consolidation, steel plate 31 is easy to vibrations and produces noise, neoprene absorbs vibrations thus serves the effect of noise reduction, in addition, neoprene belongs to firing-difficult matter, can not to burn when fire occurs or combustion-supporting, again, husky 32 seepages of expansible fireproof be filled in steel plate 31 internal cavities effectively can also be prevented with neoprene filling slit.
Expandable microspheres selects low form microspheres.Low form expandable microspheres can start when 80-90 DEG C to expand, and just carries out putting out prevention at fire early period of origination.Improve building safety.
The crosspoint place of two crossed slots of cross slits 61 is provided with faulty soldered joint 5, and faulty soldered joint 5 by the joint area of four on steel plate 31 together.With faulty soldered joint 5 by four joint areas together, faulty soldered joint 5 can resist a certain size expansion force, allows in body of wall and can accumulate certain potential energy, when accumulation of expanding breaks through the limit, body of wall pops, and that composition of effectively putting out a fire can be shed is farther, reach broad covered area, the effect that fire extinguishing scope is large.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (7)
1. a shear wall, comprise Zhou Bianzhu, Zhou Bianliang and Inner fill plate, it is characterized in that: two block plates that described Inner fill plate is distributed by front and back are formed, cavity is formed between two block plates, described steel plate diagonally offers X-shaped slit, and described X-shaped slit is arranged at steel plate inside and does not contact with Zhou Bianliang with Zhou Bianzhu.
2. a kind of shear wall as claimed in claim 1, is characterized in that: be filled with expansible fireproof sand in described cavity, and described expansible fireproof sand is made up of the component of following weight ratio:
3. a kind of shear wall as claimed in claim 2, it is characterized in that: steel plate is divided into region, four, upper and lower, left and right by described X-shaped slit, steel plate is also provided with vertical slots and lateral slit, described vertical slots is distributed in two pieces of regions, left and right, described lateral slit is distributed in upper and lower two pieces of regions, and described vertical slots does not contact with described X-shaped slit with lateral slit.
4. a kind of shear wall as claimed in claim 3, is characterized in that: fill neoprene in described X-shaped slit, vertical slots and lateral slit.
5. a kind of shear wall as claimed in claim 3, is characterized in that: described expandable microspheres selects low form microspheres.
6. a kind of shear wall as claimed in claim 3, it is characterized in that: the crosspoint place of two crossed slots of described X-shaped slit is provided with faulty soldered joint, described faulty soldered joint by the joint area of four on steel plate together.
7. a kind of shear wall as claimed in claim 2, it is characterized in that: described X-type slit is cross slits, steel plate is divided into upper left, lower-left, upper right and region, four, bottom right by described cross slits, described steel plate is also arranged and is parallel to the cornerwise left diagonal slits of steel plate and right diagonal slits, described left diagonal slits is parallel to from the bottom-right diagonal of upper left, described right diagonal slits is parallel to the diagonal from upper right lower left, distribute in top left region and lower right area right diagonal slits, and right regions and lower left region distribute left diagonal slits.
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| CN201510299781.3A CN104929272B (en) | 2015-06-03 | 2015-06-03 | A kind of shear wall |
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| CN201510299781.3A CN104929272B (en) | 2015-06-03 | 2015-06-03 | A kind of shear wall |
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| CN104929272A true CN104929272A (en) | 2015-09-23 |
| CN104929272B CN104929272B (en) | 2017-03-01 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108487539A (en) * | 2018-03-06 | 2018-09-04 | 同济大学 | R-joining formula steel plate shear force wall and its application are opened in a kind of trepanning |
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2015
- 2015-06-03 CN CN201510299781.3A patent/CN104929272B/en not_active Expired - Fee Related
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| CN104372874A (en) * | 2014-11-05 | 2015-02-25 | 安徽鸿路钢结构(集团)股份有限公司 | Steel plate shear wall |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108487539A (en) * | 2018-03-06 | 2018-09-04 | 同济大学 | R-joining formula steel plate shear force wall and its application are opened in a kind of trepanning |
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| CN104929272B (en) | 2017-03-01 |
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