CN104878860A - Self-insulation superimposed slab concrete shear wall - Google Patents
Self-insulation superimposed slab concrete shear wall Download PDFInfo
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- CN104878860A CN104878860A CN201510223878.6A CN201510223878A CN104878860A CN 104878860 A CN104878860 A CN 104878860A CN 201510223878 A CN201510223878 A CN 201510223878A CN 104878860 A CN104878860 A CN 104878860A
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Abstract
The invention discloses a self-insulation superimposed slab concrete shear wall structure, comprising an outer acanthus plate, an insulation layer, concrete superimposed wallboards, steel ties, a concrete cushion, construction sealant and connecting steel dowels. The insulation layer is disposed between the outer acanthus plate and the concrete superimposed wallboards; each of the concrete superimposed wallboards is formed by a first layer prefabricated slab, a second prefabricated slab, lattice reinforcing steels, a core cast-in-place concrete layer and the connecting steel dowels; the steel ties are used for connecting the outer acanthus plate and the concrete superimposed wallboards; the concrete cushion is disposed between an upper concrete superimposed wallboard and an lower concrete superimposed wallboard; the construction sealant is glued on the outside of the concrete cushion to protect against water; and the connecting steel dowels are used for integrally connecting the upper and lower concrete superimposed wallboards. By disposing the insulation layer between the concrete superimposed wallboards and the outer acanthus plate, building energy efficiency and durability of structure are improved; compared with sandwich type out-hung insulation wallboards, the structure is a layer of concrete slab short, thus effective space of a building is increased.
Description
Technical field
The present invention relates to concrete shear force wall field, specifically a kind of self-heat conserving superimposed sheet concrete shear force wall.
Background technology
China is energy consumption big country, architectural energy consumption accounts for greatly 30% of total power consumption, and architectural exterior-protecting construction not only accounts for building energy consumption than great, and directly affect the heat-insulating property of building structure, along with country is since 1986, high standard high request is constantly proposed to the heat-insulating property of building structure, China is also in development, innovation in building heat preservation body of wall, and the main heat-preserving wall adopted has external heat insulating wall, inside heat insulation wall body and prefabricated heat preservation wall body (sandwich heat-preserving wall or sandwich side fascia) three kinds at present.External heat insulating wall is arranged on by insulation layer outside building structure main body in construction, be the general heat preservation technology of current Application comparison, the effective usage space of building can be increased, improve residence comfort, heat insulation effect is good, but there is the problems such as more serious fire prevention and durability; Inside heat insulation wall body is arranged on inside major structure of construction by insulation layer, then add and do topping, has speed of application fast, the advantages such as flexible operation, but there is cold bridge phenomenon, the problems such as interior decoration impact is large, inner thermal insulating layer rapid wear; Sandwich side fascia is a kind of Novel sandwich heat-preserving wall, and it has energy-conserving and environment-protective, and endurance quality and the feature such as fireproof performance is good, be applicable to suitability for industrialized production, but due to sandwich side fascia thicker, reduce the effective usage space of building and be subject to significant limitation.
In order to overcome the above problems, in the urgent need to Development of Novel wall structural system and material, Development of Novel wall system and material, the important measures of energy-saving and emission-reduction, environmental protect, being the important content of sustainable development, is adhere to that people-oriented, build a harmonious society in the urgent need to.The invention provides a kind of self-heat conserving overlaid plate type concrete shear wall structure, this structure can increase the effective usage space of building, improve residence comfort, there is good heat insulation effect, fireproof performance and endurance quality, energy-conserving and environment-protective, realizing good economic benefit and social benefit, is the main development direction that China's construction work is from now on built.Therefore this system is developed to promotion Urbanization Construction process, to promotion materials for wall structural adjustment and technological progress, improve construction engineering quality and improve building function, tool is of great significance.
summary of the inventionthe object of this invention is to provide a kind of self-heat conserving superimposed sheet concrete shear force wall, to solve prior art Problems existing.
In order to achieve the above object, the technical solution adopted in the present invention is:
Self-heat conserving superimposed sheet concrete shear force wall, it is characterized in that: comprise identical upper of vertically disposed structure, lower-layer concrete superposed type wallboard, and be cast in, concrete cushion between lower-layer concrete superposed type wallboard, on, lower-layer concrete superposed type wallboard comprises first floor precast plate respectively, second layer precast plate and be connected to first, lattice reinforcing bar between second layer precast plate, first, core cast-in-situ concrete layer has been built between second layer precast plate, on, connection joint bar is respectively equipped with in lower-layer concrete superposed type wallboard, and connect joint bar in the concrete folding formula wallboard of upper strata and to stretch in lower-layer concrete superposed type wallboard and build and be integrated, connect joint bar in lower-layer concrete superposed type wallboard to stretch in the concrete folding formula wallboard of upper strata and build and be integrated, on, in lower-layer concrete superposed type wallboard, first floor precast plate outer wall is close to successively and is provided with insulation layer, outer impeller, multiple tension member is connected to outside first floor precast plate, tension member stretches in outer impeller through insulation layer.
Described self-heat conserving superimposed sheet concrete shear force wall, is characterized in that: outside described concrete cushion, and namely outer impeller and insulation layer top and bottom adopt building sealant sealing.
Described self-heat conserving superimposed sheet concrete shear force wall, is characterized in that: described outer impeller, insulation layer, tension member, first floor precast plate, second layer precast plate, lattice reinforcing bar is prefabricated is integrated.
Described self-heat conserving superimposed sheet concrete shear force wall, is characterized in that: in the concrete folding formula wallboard of described upper strata, pre-buriedly between first floor precast plate and second layer precast plate top hangs muscle.
Described self-heat conserving superimposed sheet concrete shear force wall, is characterized in that: described siphonal lobe plate thickness is 40 ~ 60mm, arranges double steel bar mesh sheet outside in impeller, to resist the shrinkage stress in thermal stresses and concrete coagulation process; Insulation layer thickness is 40 ~ 60mm, and material therefor coefficient of thermal conductivity is 0.018 ~ 0.024W/ (mk); First floor precast plate thickness is 50 ~ 60mm, by calculating arrangement of reinforcement; Second layer precast plate thickness is 50 ~ 60mm, by calculating arrangement of reinforcement; Core cast-in-situ concrete layer thickness is 100 ~ 180mm, and wherein only have two row's lattice reinforcing bars, reserved connection joint bar is inserted in this layer.
Described self-heat conserving superimposed sheet concrete shear force wall, is characterized in that: the height of lattice reinforcing bar is chosen according to the gross thickness of first floor precast plate, core cast-in-situ concrete layer, second layer precast plate, ensures that the connection between each layer is reliable.
Described self-heat conserving superimposed sheet concrete shear force wall, is characterized in that: the intensity connecting joint bar was determined originally according to ability design, connected joint bar diameter and was more than or equal to 12mm.
Described self-heat conserving superimposed sheet concrete shear force wall, is characterized in that: concrete mats layer thickness is 30 ~ 60mm, its strength grade grade higher than the strength grade of concrete on levels self-heat conserving overlaid plate type concrete shear wall or basis; Concrete cushion position is first floor precast plate, core cast-in-situ concrete layer, second layer precast plate top and bottom width position.
Described self-heat conserving superimposed sheet concrete shear force wall, it is characterized in that: between outer impeller with first floor precast plate, adopt tension member to be connected, tension member is FRP connector or embedded sleeve barrel, adopts spot distribution to arrange, and the spacing of tension member calculates according to actual conditions to be determined.
The beneficial effect that the present invention reaches:
1. can realize factorial praluction, shorten the construction period, adapt to the needs of housing industrialization;
2. can ensure that structure has the plurality of advantages such as good globality, suitable rigidity, good ductility, superior energy dissipation capacity, construction quality height;
3. there is stable heat-insulation system, good heat-insulating property, reach the building energy-saving standard of national requirements;
4. increase the effective usage space of building, improve residence comfort;
5. there is good fireproof performance, excellent in durability, the extending structure life-span, realize good economic benefit and social benefit.
Therefore this system is developed to promotion Urbanization Construction process, to promotion materials for wall structural adjustment and technological progress, improve construction engineering quality and improve building function, tool is of great significance.
Accompanying drawing explanation
Fig. 1 is the vertical schematic diagram of self-heat conserving overlaid plate type concrete shear wall structure node junction of the present invention.
Fig. 2 is the horizontal schematic diagram of self-heat conserving overlaid plate type concrete shear wall structure node junction of the present invention.
Detailed description of the invention
As Fig. 1, shown in Fig. 2, self-heat conserving superimposed sheet concrete shear force wall, comprises identical upper of vertically disposed structure, lower-layer concrete superposed type wallboard, and be cast in, concrete cushion 9 between lower-layer concrete superposed type wallboard, on, lower-layer concrete superposed type wallboard comprises first floor precast plate 3 respectively, second layer precast plate 5 and shape in wave shape are supported on first, second layer precast plate 3, lattice reinforcing bar 7, first between 5, second layer precast plate 3, core cast-in-situ concrete layer 4 has been built between 5, on, be respectively equipped with in lower-layer concrete superposed type wallboard and connect joint bar 8, and connect joint bar in the concrete folding formula wallboard of upper strata and to stretch in lower-layer concrete superposed type wallboard and build and be integrated, connect joint bar in lower-layer concrete superposed type wallboard to stretch in the concrete folding formula wallboard of upper strata and build and be integrated, on, in lower-layer concrete superposed type wallboard, first floor precast plate 3 outer wall is close to successively and is provided with insulation layer 2, outer impeller 1, is connected to multiple tension member 6 outside first floor precast plate 3, tension member 6 stretches in outer impeller 1 through insulation layer 2.
Outside concrete cushion 9, namely outer impeller 1 and insulation layer 2 top and bottom adopt building sealant sealing 10.
Outer impeller 1, insulation layer 2, tension member 6, first floor precast plate 3, second layer precast plate 5, lattice reinforcing bar 7 is prefabricated is integrated.
In the concrete folding formula wallboard of upper strata, pre-buriedly between first floor precast plate 3 and second layer precast plate 5 top hang muscle 11.
Outer impeller 1 thickness is 40 ~ 60mm, arranges double steel bar mesh sheet outside in impeller 1, to resist the shrinkage stress in thermal stresses and concrete coagulation process; Insulation layer 2 thickness is 40 ~ 60mm, and material therefor coefficient of thermal conductivity is 0.018 ~ 0.024W/ (mk); First floor precast plate 3 thickness is 50 ~ 60mm, by calculating arrangement of reinforcement; Second layer precast plate 5 thickness is 50 ~ 60mm, by calculating arrangement of reinforcement; Core cast-in-situ concrete layer 4 thickness is 100 ~ 180mm, and wherein only have two row's lattice reinforcing bars, reserved connection joint bar 8 is inserted in this layer.
The height of lattice reinforcing bar 7 is chosen according to the gross thickness of first floor precast plate 3, core cast-in-situ concrete layer 4, second layer precast plate 5, ensures that the connection between each layer is reliable.
The intensity connecting joint bar 8 was determined originally according to ability design, connected joint bar 8 diameter and was more than or equal to 12mm.
Concrete cushion 9 thickness is 30 ~ 60mm, its strength grade grade higher than the strength grade of concrete on levels self-heat conserving overlaid plate type concrete shear wall or basis; Concrete cushion 9 position is first floor precast plate 3, core cast-in-situ concrete layer 4, second layer precast plate 5 top and bottom width position.
Outer impeller 1 is connected with adopting tension member 6 between first floor precast plate 3, and tension member 6 is FRP connector or embedded sleeve barrel, adopts spot distribution to arrange, and the spacing of tension member 6 calculates according to actual conditions to be determined.
In the present invention, outer impeller 1 thickness is 50mm, strength grade of concrete C35.Insulation layer 2 is hard-foam polyurethane warming plate, thickness 50mm.First floor precast plate 3 thickness is 50mm, strength grade of concrete C35.Core cast-in-situ concrete layer 4 thickness is 160mm, strength grade of concrete C35.Second layer precast plate 5 thickness is 50mm, strength grade of concrete C35.Concrete cushion 9 thickness is 40mm, strength grade of concrete C40.Building sealant 10 is polyurethane.Tension member 6 is FRP connector.Lattice reinforcing bar 7 is highly 210mm.The pre-buried muscle 11 that hangs is the A shape component that the HRB400 reinforcing bar of 18mm is processed into for diameter.Connect joint bar 8 for diameter be the HRB400 reinforcing bar of 16mm.The length that connection joint bar 8 inserts upper core cast-in-situ concrete layer 4 is 500mm or 800mm.The length that connection joint bar 8 inserts lower floor's core cast-in-situ concrete layer 4 is 500mm or 800mm.Connection joint bar 8 edge is 15mm far from the distance at layer core cast-in-situ concrete layer 4 edge.
Claims (9)
1. self-heat conserving superimposed sheet concrete shear force wall, it is characterized in that: comprise identical upper of vertically disposed structure, lower-layer concrete superposed type wallboard, and be cast in, concrete cushion between lower-layer concrete superposed type wallboard, on, lower-layer concrete superposed type wallboard comprises first floor precast plate respectively, second layer precast plate and connection first, lattice reinforcing bar between second layer precast plate, first, core cast-in-situ concrete layer has been built between second layer precast plate, on, connection joint bar is respectively equipped with in lower-layer concrete superposed type wallboard, and connect joint bar in the concrete folding formula wallboard of upper strata and to stretch in lower-layer concrete superposed type wallboard and build and be integrated, connect joint bar in lower-layer concrete superposed type wallboard to stretch in the concrete folding formula wallboard of upper strata and build and be integrated, on, in lower-layer concrete superposed type wallboard, first floor precast plate outer wall is close to successively and is provided with insulation layer, outer impeller, multiple tension member is connected to outside first floor precast plate, tension member stretches in outer impeller through insulation layer.
2. self-heat conserving superimposed sheet concrete shear force wall according to claim 1, is characterized in that: outside described concrete cushion, and namely outer impeller and insulation layer top and bottom adopt building sealant sealing.
3. self-heat conserving superimposed sheet concrete shear force wall according to claim 1, is characterized in that: described outer impeller, insulation layer, tension member, first floor precast plate, second layer precast plate, lattice reinforcing bar is prefabricated is integrated.
4. self-heat conserving superimposed sheet concrete shear force wall according to claim 1, is characterized in that: in the concrete folding formula wallboard of described upper strata, pre-buriedly between first floor precast plate and second layer precast plate top hangs muscle.
5. self-heat conserving superimposed sheet concrete shear force wall according to claim 1, is characterized in that: described siphonal lobe plate thickness is 40 ~ 60mm, arranges double steel bar mesh sheet outside in impeller, to resist the shrinkage stress in thermal stresses and concrete coagulation process; Insulation layer thickness is 40 ~ 60mm, and material therefor coefficient of thermal conductivity is 0.018 ~ 0.024W/ (mk); First floor precast plate thickness is 50 ~ 60mm, by calculating arrangement of reinforcement; Second layer precast plate thickness is 50 ~ 60mm, by calculating arrangement of reinforcement; Core cast-in-situ concrete layer thickness is 100 ~ 180mm, and wherein only have two row's lattice reinforcing bars, reserved connection joint bar is inserted in this layer.
6. self-heat conserving superimposed sheet concrete shear force wall according to claim 1, is characterized in that: the height of lattice reinforcing bar is chosen according to the gross thickness of first floor precast plate, core cast-in-situ concrete layer, second layer precast plate, ensures that the connection between each layer is reliable.
7. self-heat conserving superimposed sheet concrete shear force wall according to claim 1, is characterized in that: the intensity connecting joint bar is determined according to ability design principles, connects joint bar diameter and is more than or equal to 12mm.
8. self-heat conserving superimposed sheet concrete shear force wall according to claim 1, is characterized in that: concrete mats layer thickness is 30 ~ 60mm, its strength grade grade higher than the strength grade of concrete on levels self-heat conserving superimposed sheet concrete shear force wall or basis; Concrete cushion position is first floor precast plate, core cast-in-situ concrete layer, second layer precast plate top and bottom width position.
9. self-heat conserving superimposed sheet concrete shear force wall according to claim 1, it is characterized in that: between outer impeller with first floor precast plate, adopt tension member to be connected, tension member is FRP connector or embedded sleeve barrel, adopts spot distribution to arrange, and the spacing of tension member calculates according to actual conditions to be determined.
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| CN201510223878.6A CN104878860A (en) | 2015-05-05 | 2015-05-05 | Self-insulation superimposed slab concrete shear wall |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105275115A (en) * | 2015-09-15 | 2016-01-27 | 南阳理工学院 | Multifunctional construction engineering-used siding wall |
| CN105780967A (en) * | 2016-04-27 | 2016-07-20 | 合肥工业大学 | Web waveform rib tie force riffled plate concrete composite prefabricated wall |
| CN105971189A (en) * | 2016-06-17 | 2016-09-28 | 安徽宝业建工集团有限公司 | Precast concrete sandwich cladding wall panel provided with ribs |
| CN107023099A (en) * | 2017-06-14 | 2017-08-08 | 福建建泰建筑科技有限责任公司 | Prefabricated superimposed sheet double combined overlapped shear wall and its construction method |
| CN107035022A (en) * | 2017-06-14 | 2017-08-11 | 福建建泰建筑科技有限责任公司 | A kind of exterior wall built through cast-in-place overlapping precast concrete plate and its construction method |
| CN108149819A (en) * | 2018-01-31 | 2018-06-12 | 山东海龙建筑科技有限公司 | Construction bottom strengthens area's integration overlapping exterior wall and its production and construction method |
| CN109339290A (en) * | 2018-11-30 | 2019-02-15 | 美好建筑装配科技有限公司 | It is a kind of for overlapped shear wall prefabricated components junction to drawing device |
| CN112942668A (en) * | 2021-02-04 | 2021-06-11 | 陕西建工集团有限公司 | Waterproof type AAC heat preservation coincide wallboard structure of frame construction outer wall |
| CN113585529A (en) * | 2021-09-07 | 2021-11-02 | 中国建筑第七工程局有限公司 | Waterproof prefabricated superimposed sheet type shear wall structure |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105275115A (en) * | 2015-09-15 | 2016-01-27 | 南阳理工学院 | Multifunctional construction engineering-used siding wall |
| CN105780967A (en) * | 2016-04-27 | 2016-07-20 | 合肥工业大学 | Web waveform rib tie force riffled plate concrete composite prefabricated wall |
| CN105971189A (en) * | 2016-06-17 | 2016-09-28 | 安徽宝业建工集团有限公司 | Precast concrete sandwich cladding wall panel provided with ribs |
| CN107023099A (en) * | 2017-06-14 | 2017-08-08 | 福建建泰建筑科技有限责任公司 | Prefabricated superimposed sheet double combined overlapped shear wall and its construction method |
| CN107035022A (en) * | 2017-06-14 | 2017-08-11 | 福建建泰建筑科技有限责任公司 | A kind of exterior wall built through cast-in-place overlapping precast concrete plate and its construction method |
| CN108149819A (en) * | 2018-01-31 | 2018-06-12 | 山东海龙建筑科技有限公司 | Construction bottom strengthens area's integration overlapping exterior wall and its production and construction method |
| CN108149819B (en) * | 2018-01-31 | 2024-01-30 | 山东海龙建筑科技有限公司 | Integrated superposed outer wall of building bottom reinforcing area and production and construction method thereof |
| CN109339290A (en) * | 2018-11-30 | 2019-02-15 | 美好建筑装配科技有限公司 | It is a kind of for overlapped shear wall prefabricated components junction to drawing device |
| CN112942668A (en) * | 2021-02-04 | 2021-06-11 | 陕西建工集团有限公司 | Waterproof type AAC heat preservation coincide wallboard structure of frame construction outer wall |
| CN112942668B (en) * | 2021-02-04 | 2022-03-18 | 陕西建工集团有限公司 | Waterproof type AAC heat preservation coincide wallboard structure of frame construction outer wall |
| CN113585529A (en) * | 2021-09-07 | 2021-11-02 | 中国建筑第七工程局有限公司 | Waterproof prefabricated superimposed sheet type shear wall structure |
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Application publication date: 20150902 |