CN202689233U - Shock insulation structure used for low-rise reinforced concrete and brick construction - Google Patents
Shock insulation structure used for low-rise reinforced concrete and brick construction Download PDFInfo
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- CN202689233U CN202689233U CN 201220323995 CN201220323995U CN202689233U CN 202689233 U CN202689233 U CN 202689233U CN 201220323995 CN201220323995 CN 201220323995 CN 201220323995 U CN201220323995 U CN 201220323995U CN 202689233 U CN202689233 U CN 202689233U
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- shock insulation
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Abstract
The utility model discloses a shock insulation structure used for a low-rise reinforced concrete and brick construction. The shock insulation structure comprises a reinforced concrete foundation ring beam placed on a reinforced concrete and brick construction foundation, a shock insulation layer arranged on the foundation ring beam in paving mode and a reinforced concrete upper ring beam placed on the shock insulation layer. The shock insulation layer comprises a plurality of rubber wattles arranged on the foundation ring beam in paving mode. By adopting the shock insulation structure used for the low-rise reinforced concrete and brick construction, damages of low-rise concrete and brick buildings in earthquakes can be effectively reduced under the precondition of simplifying or omitting some traditional anti-shock structures, so that not only is the construction cost reduced but also building safety is guaranteed.
Description
Technical field
The utility model belongs to building damper technical field, is specifically related to a kind of isolation structure for the low layer brick-and-concrete buildings.
Background technology
In recent years, along with the enforcement of new countryside construction, the brick masonry structure building that build the rural area was more and more.But because the continuous rise of building material price and labour cost, a lot of newly-built farm dwellings still can not satisfy the earthquake resistant code requirement of country, as the anti-seismic construction measures such as reinforced concrete structural column, collar tie beam are not set in the body of wall.In the western high earthquake intensity area that at present earthquake takes place frequently, these newly constructed houses at every moment are faced with potential earthquake and threaten.
The strategy that effectively reduces earthquake disaster in the prior art mainly contains two kinds, a kind of is passive " antidetonation ", another kind is active " shock insulation ", wherein " base isolation " system that mainly concentrates on is used in the research of shock insulation, namely by between foundation structure and superstructure, Seismic Isolation of Isolation Layer being set, make superstructure and horizontal ground motion isolated, thereby greatly reduce to be delivered to geological process and the energy of superstructure, guarantee that the house superstructure does not suffer large loss, ensures the personal security of the lives and property.But present Base Isolation Technology is except the urban architecture of some particular importances is adopted, and cost is higher for common buildings, and for the ubiquitous low layer in rural area (1 to 3 layer) brick-and-concrete buildings, its limitation of promoting the use of is larger.
Summary of the invention
The purpose of this utility model is to provide a kind of isolation structure that is applicable in the low layer brick-and-concrete buildings, is not suitable for problem in the low layer brick-and-concrete buildings because costing engineering is high to solve existing seismic isolation technology.
Isolation structure for the low layer brick-and-concrete buildings of the present utility model comprises the reinforced concrete foundation collar tie beam of building on the brick-and-concrete buildings basis; Be layed in the Seismic Isolation of Isolation Layer on the foundation ring girder; With build collar tie beam on the steel concrete on the Seismic Isolation of Isolation Layer, described Seismic Isolation of Isolation Layer comprises several rubber laths that are layed on the foundation ring girder.
Other technologies of the present utility model are characterized as:
Pass through the adhesion of cob mortar between adjacent rubber lath.
The thickness of described rubber lath is 10～15mm.
The rubber lath that is layed in the corner of foundation ring girder is the Back Word type.
The height of described foundation ring girder is 200mm.
Each widely goes out metope 20mm described foundation ring girder both sides.
The height of described upper collar tie beam is 120～180mm.
The width of described upper collar tie beam is identical with wall thickness.
The utility model is according to the principle of base isolation, and the actual conditions in conjunction with the low layer brick-and-concrete buildings is built adopt the method that the Simple horizontal Seismic Isolation of Isolation Layer is set between foundation ring girder and top body of wall, to improve the anti-seismic performance of low layer brick masonry structure building.Adopt isolation structure of the present utility model, can simplify or save under the prerequisite of some traditional anti-seismic constructions, effectively reduce the damage of layer brick-concrete composite buildings in earthquake, so not only reduced the construction costs expense, effectively guaranteed again building safety.The utility model is used for building field, can promote the use of in earthquake district occurred frequently, highly seismic region building houses of countryside.
Description of drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the layout schematic diagram of Seismic Isolation of Isolation Layer.
Below in conjunction with embodiment and accompanying drawing the utility model is described in further detail.
The specific embodiment
The earthquake disaster in house is that building can not be supported own wt and collapse because rocking during earthquake destroyed vertical supporting member.The utility model makes the horizontal composition insulation of superstructure and earthquake motion by between foundation structure and superstructure Seismic Isolation of Isolation Layer being set, thereby greatly reduces to be delivered to geological process and the energy of superstructure.With reference to figure 1 and Fig. 2, isolation structure of the present utility model comprises the reinforced concrete foundation collar tie beam of building on the brick-and-concrete buildings basis; Be layed in the Seismic Isolation of Isolation Layer on the foundation ring girder; With build collar tie beam on the steel concrete on the Seismic Isolation of Isolation Layer, Seismic Isolation of Isolation Layer adopts the thick rubber lath of 10～15mm horizontal interval to be layed on the foundation ring girder, pass through the adhesion of cob mortar between adjacent rubber lath, the cob mortar of filling between the rubber lath, its effect mainly is for temporary fixed rubber lath, make the rubber lath in work progress, keep the plan-position constant, and sandstone is clamp-oned between the rubber lath can prevent from pouring into a mould on the Seismic Isolation of Isolation Layer collar tie beam time.Simultaneously, because cob mortar very thin thickness, and the space is more, compressive strength is very low (after tested, compressive strength is generally below 0.1MPa), crushed destruction is also ineffective early under the house Gravitative Loads, and the house vertical load only passes in ground collar tie beam and basis by the rubber lath.The house is when suffering earthquake, and the rubber lath can by self shear strain and little displacement slip, absorb seismic energy, the superstructure that significantly decays earthquake response, the safety of protection superstructure.
The utility model is particularly useful for low layer (below 3 layers and 3 layers) the brick mix structure farming room of the medium and small standard width of a room in an old-style house, and to single-layer of brick-concrete structure, rubber lath thickness is got 10～12mm; To 2 layers of brick mix structure, rubber lath thickness is got 12～15mm; To 3 layers of brick mix structure, rubber lath thickness is got 15mm.
When adopting isolation structure of the present utility model, the bearing wall general thickness is not less than 240mm; The lower ring beam strength grade of concrete should not be lower than C20 on the Seismic Isolation of Isolation Layer; Seismic Isolation of Isolation Layer should be arranged on more than the indoor terrace, should not be less than 200mm apart from ± 0.00; After the rubber lath arranges into, fill immediately the cob mortar between lath, mortar thickness should not exceed the lath end face, until pouring into a mould collar tie beam on the Seismic Isolation of Isolation Layer after the mortar drying.
Below provide concrete preferred embodiment of the present utility model, be used for further specifying the utility model.These embodiment only are used for those skilled in the art and understand fully the utility model, rather than are used for limiting protection domain of the present utility model.Every equivalents or replacement carrying out on the technical solutions of the utility model all belongs within the claimed interest field of the utility model.
Embodiment:
Follow the technical solution of the utility model, the external wall of this embodiment adopts the thick load-bearing brick wall of 370mm, and interior wall adopts the thick load-bearing brick wall of 240mm; Rubber lath thickness is 15mm, the same wall thickness of length, and width is 100mm, clear distance 300mm between the level; The rubber lath that the house is four jiaos is " returning " font; In the longitudinal cross wall junction, the rubber width of sheet is got interior wall thickness.The collar tie beam height is got 200mm, and the every side of collar tie beam width is wide to go out metope 20mm; Collar tie beam is set one above the Seismic Isolation of Isolation Layer again, and upper collar tie beam height is got 120mm, the same wall thickness of upper collar tie beam width.Neoprene is adopted in the rubber lath saw lumber of the present embodiment, and its physical property requirement is: hardness is 60 ° ± 5 ° (shore hardness), and tensile strength is greater than 18MPa, and elongation rate is greater than 10%; The cob mortar of filling between the rubber lath, the cob mortar (is sieved by clean clay, do not contain sandstone), wheat straw (average length is not more than 10mm), the suitable quantity of water system of mixing pulverized forms, wherein the wheat straw incorporation accounts for 30% of cob volume, the water yield of mixing is not trickled with the cob mortar and is as the criterion.
For verifying effect of the present utility model, the inventor has carried out the building model shaketalle test in structural seismic National Key Laboratory of Xi'an University of Architecture and Technology.Test model is individual layer 2 standard width of a room in an old-style house houses, 1/4 reduced scale, and test shake since 6 degree loads, and is loaded into the large shake of 9 degree always.
Result of the test shows:
(1) adopt shock insulation brick mix structure of the present utility model, superstructure is not established constructional column, collar tie beam, and Seismic Isolation of Isolation Layer adopts General Purpose Rubber lath and mortar, saves cost, construction simply.
(2) stressed, the deformation performance of shock insulation upper back structure have had very large change.House wall does not have the crack to occur substantially when 8 degree earthquake; When 9 degree earthquake, some minute cracks only appear in bight, housing window hole.Seismic Isolation of Isolation Layer effectively reduces the earthquake response of superstructure, reaches the shockproof requirement to the superstructure expection.
Claims (8)
1. an isolation structure that is used for the low layer brick-and-concrete buildings is characterized in that, comprises the reinforced concrete foundation collar tie beam (2) of building on brick-and-concrete buildings basis (1); Be layed in the Seismic Isolation of Isolation Layer (3) on the foundation ring girder (2); With build collar tie beam (4) on the steel concrete on the Seismic Isolation of Isolation Layer (3), described Seismic Isolation of Isolation Layer (3) comprises several rubber laths (5) that are layed on the foundation ring girder (2).
2. the isolation structure for the low layer brick-and-concrete buildings as claimed in claim 1 is characterized in that, passes through cob mortar (6) adhesion between adjacent rubber lath (5).
3. the isolation structure for the low layer brick-and-concrete buildings as claimed in claim 1 is characterized in that, the thickness of described rubber lath (5) is 10～15mm.
4. the isolation structure for the low layer brick-and-concrete buildings as claimed in claim 1 is characterized in that, the rubber lath (5) that is layed in the corner of foundation ring girder (2) is the Back Word type.
5. the isolation structure for the low layer brick-and-concrete buildings as claimed in claim 1 is characterized in that, the height of described foundation ring girder (2) is 200mm.
6. the isolation structure for the low layer brick-and-concrete buildings as claimed in claim 1 is characterized in that, each widely goes out metope 20mm described foundation ring girder (2) both sides.
7. the isolation structure for the low layer brick-and-concrete buildings as claimed in claim 1 is characterized in that, the height of described upper collar tie beam (4) is 120～180mm.
8. the isolation structure for the low layer brick-and-concrete buildings as claimed in claim 1 is characterized in that, the width of described upper collar tie beam (4) is identical with wall thickness.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220323995 CN202689233U (en) | 2012-07-05 | 2012-07-05 | Shock insulation structure used for low-rise reinforced concrete and brick construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220323995 CN202689233U (en) | 2012-07-05 | 2012-07-05 | Shock insulation structure used for low-rise reinforced concrete and brick construction |
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| Publication Number | Publication Date |
|---|---|
| CN202689233U true CN202689233U (en) | 2013-01-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220323995 Expired - Fee Related CN202689233U (en) | 2012-07-05 | 2012-07-05 | Shock insulation structure used for low-rise reinforced concrete and brick construction |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103776605A (en) * | 2013-12-27 | 2014-05-07 | 彭志强 | Method for detecting qualification of shock absorbing spacing cushion layer |
| CN108661359A (en) * | 2018-07-23 | 2018-10-16 | 苏州岸肯电子科技有限公司 | A kind of shock-absorbing and noise-eliminating room |
-
2012
- 2012-07-05 CN CN 201220323995 patent/CN202689233U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103776605A (en) * | 2013-12-27 | 2014-05-07 | 彭志强 | Method for detecting qualification of shock absorbing spacing cushion layer |
| CN108661359A (en) * | 2018-07-23 | 2018-10-16 | 苏州岸肯电子科技有限公司 | A kind of shock-absorbing and noise-eliminating room |
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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: 20130123 Termination date: 20140705 |
|
| EXPY | Termination of patent right or utility model |