CN202787577U - Prefabricating wall outer shell structure of reinforced concrete superimposition shear wall - Google Patents

Prefabricating wall outer shell structure of reinforced concrete superimposition shear wall Download PDF

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Publication number
CN202787577U
CN202787577U CN 201220336710 CN201220336710U CN202787577U CN 202787577 U CN202787577 U CN 202787577U CN 201220336710 CN201220336710 CN 201220336710 CN 201220336710 U CN201220336710 U CN 201220336710U CN 202787577 U CN202787577 U CN 202787577U
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CN
China
Prior art keywords
reinforced concrete
shell
precast
shear
layer
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CN 201220336710
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Chinese (zh)
Inventor
王滋军
刘伟庆
王宇
翟文豪
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南京工业大学
江苏省绿色建筑工程技术研究中心
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Application filed by 南京工业大学, 江苏省绿色建筑工程技术研究中心 filed Critical 南京工业大学
Priority to CN 201220336710 priority Critical patent/CN202787577U/en
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Publication of CN202787577U publication Critical patent/CN202787577U/en

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Abstract

The utility model discloses a prefabricating wall outer shell structure of a reinforced concrete superimposition shear wall. The prefabricating wall outer shell structure of the reinforced concrete superimposition shear wall comprises reinforced concrete prefabricating wall outer shells, concave-convex notches of the prefabricating wall outer shells, a wall cavity, rebar of the prefabricating outer shell notches, rebar supports, additional constructional rebar, an heat preservation layer and split joint construction method between prefabricating wall outer shells. The prefabricating wall outer shell structure of the reinforced concrete superimposition shear wall has the advantages of obviously strengthening horizontal joint connecting of the reinforced concrete superimposition shear wall, enhancing the integrality, carrying capacity and anti-seismic property of the connecting joint of the reinforced concrete superimposition shear wall, and achieving common cast-in-place shear wall 'equalization' and being capable of producing high economic benefit and social benefit.

Description

A kind of precast wall body shell mechanism of reinforced concrete sandwich shear wall

Technical field

The utility model belongs to building structure field, relates to the buildings in general structure, is specifically related to be fit to the concrete structural system of suitability for industrialized production, particularly the reinforced concrete sandwich shear wall structure.

Background technology

In the construction and use procedure of building, need to consume a large amount of natural resources, increase simultaneously carrying capacity of environment.According to statistics, the human raw material of substance more than 50% that obtains from nature is used for building all kinds of buildings and ancillary service thereof.These buildings have consumed again about 50% of global energy in construction and use procedure; The air pollution relevant with building, light pollution, electromagnetic pollution etc. account for 34% of environmental complex pollution; Building waste accounts for mankind's activity and produces 40% of rubbish total amount.China's building energy consumption is high, adopt advanced mode of construction, carry forward vigorously batch production and produce various building prefabricated components, house module and job site assembling assembling, can effectively economize on resources and the energy, improve the efficient of material aspect realization building energy conservation and structural performance, reduce site operation to the requirement of the ambient conditionss such as place, reduce building waste and to the harmful effect of environment, improve building function and structural performance, effectively realize the Green Development requirement of " one environmental protection of four joints ", realize low energy consumption, the building course of low emission promotes the overall development of Building Trade in China, and it is energy-conservation that realization is scheduled to, reduce discharging target.Along with urbanization process is accelerated, builing industry becomes promotion China economic development new growth point, improves the only way that industrialization of construction industry and modernization have also become the Building Trade in China development.

The reinforced concrete sandwich shear wall structure system had both had prefabricated costruction need not formwork, form removal, cycle is short, the advantages such as on-the-spot work amount is little, also has the advantage that the Cast-in-situs type structural integrity is strong, anti-seismic performance is good, it is a kind of architectural structure system of suitable suitability for industrialized production, have a good application prospect, economic benefit and social benefit are remarkable.At present, the connection of the level of overlapped shear wall splicing node is one of weak link in this structural system in the reinforced concrete sandwich shear wall structure, mainly be because the edge of precast wall body shell is concordant, the bonding of level splicing node junction precast surface layer and cast-in-situ concrete is relatively poor, fail to take full advantage of the material property of precast surface layer, can't reach with cast-in-place concrete shear wall and " be equal to ", add complicated, the constructional difficulties of reinforcement constitution of node junction, cast-in-situ concrete is difficult to vibration compacting, thereby also causes this place to become weak part.The patent that the applicant applies for before this: node connecting structure of reinforced concrete superimposed wall bodies and job practices (application number 201110113482.8), mainly be that vertical node for the reinforced concrete sandwich shear wall structure connects existing problem, this utility model can effectively solve between the upper and lower layer reinforced concrete sandwich shear wall and connect the weakening problem, realizes vertical being equal to of being connected with cast-in-situ concrete that connect.Because vertical connected node often needs to bear simultaneously pressure, moment of flexure, the effects such as shearing, stress is comparatively complicated, level connection joint then needs to solve the shearing that produces because of integrally bending between the precast wall body shell under the horizontal loads on the one hand, also to solve on the other hand because of the poor problems such as stiffness degradation that make the reinforced concrete sandwich shear wall of bonding between the precast wall body shell, so vertical connection with level connection joint at force-mechanism, the aspect such as construction measure and construction technology all is essentially different, and adopts the vertical construction measure that connects can't realize that level connection joint reaches with cast-in-place concrete shear wall and is equal to.

The utility model content

The purpose of this utility model is for the prior art above shortcomings, a kind of precast wall body shell mechanism of reinforced concrete sandwich shear wall is provided, this structure can effectively solve level splicing connection defective, further globality, supporting capacity and the anti-seismic performance of reinforcing steel bar concrete folding body of wall node between the reinforced concrete sandwich shear wall.

The technical solution adopted in the utility model is: a kind of precast wall body shell mechanism of reinforced concrete sandwich shear wall, and this shell mechanism is connected to form by a plurality of wall enclosure unit horizontal;

Each described wall enclosure unit comprises reinforced concrete prefabricated wall outer side surface layer, the inboard surface layer of reinforced concrete prefabricated body of wall, cavity, concavo-convex breach and precast reinforced, the inboard surface layer of described reinforced concrete prefabricated wall outer side surface layer and reinforced concrete prefabricated body of wall links together by Steel bar rack, form a kind of shell mechanism with described cavity, the both sides of the edge of the inboard surface layer of described reinforced concrete prefabricated body of wall are shaped with concavo-convex breach in advance, and concavo-convex indentation, there is provided with precast reinforced;

Indentation, there is provided with additional distributing bar between adjacent two described wall enclosure unit, and is connected with described precast reinforced colligation;

All be filled with concrete in the cavity of indentation, there and each wall enclosure unit between adjacent two described wall enclosure unit, form an integral body.

As preferably, the inboard of described reinforced concrete prefabricated wall outer side surface layer is provided with insulation layer, is provided with steel bar stress in the described cavity.

As preferably, the both sides of the edge of described reinforced concrete prefabricated wall outer side surface layer are also prefabricated a described concavo-convex breach, and concavo-convex indentation, there is provided with described precast reinforced, is provided with steel bar stress in the reinforced concrete prefabricated wall outer side surface layer.

As preferably, described concavo-convex indentation, there precast reinforced run through whole concavo-convex breach.

The precast wall body shell mechanism of reinforced concrete sandwich shear wall of the present utility model both had been applicable to the exterior wall of reinforced concrete sandwich shear wall structure, also was applicable to the interior wall of reinforced concrete sandwich shear wall structure.For exterior wall, interior wall can not established insulation layer according to requirements, and then the edge of two surface layers of the precast wall body shell mechanism of interior wall all arranges concavo-convex breach.

A kind of concatenation construction method of precast wall body shell mechanism of above-mentioned reinforced concrete sandwich shear wall may further comprise the steps:

(1) at the construction field (site), first with the precast wall body outer cover unit hoisted in position of a plurality of reinforced concrete sandwich shear walls;

(2) the level connection joint place between contiguous prefabricated wall enclosure unit arranges required horizontal lapped configuration reinforcing bar and vertical reinforcement and carries out colligation with the reinforcing bar of precast wall body shell indentation, there;

(3) with the breach sealing of template with junction, contiguous prefabricated wall enclosure unit;

(4) concreting in the most backward precast wall body shell;

(5) after cast-in-situ concrete reaches strength of mould stripping with the form removable of indentation, there, prefabricated shell and cast-in-situ concrete form integral body.

The beneficial effects of the utility model: compare with the reinforced concrete sandwich shear wall structure that tradition is conventional, structure of the present utility model is additionally increasing in the situation of construction cost hardly, just can so that the reinforcing bar in the precast wall body shell of reinforced concrete sandwich shear wall at the direct overlap joint and water with cast-in-situ concrete is whole of Nodes, the superimposed body of wall globality of Nodes is strengthened, eliminate the weak link in traditional regular node, and can give full play to the material property of prefabricated reinforced concrete wall enclosure, thereby both improved the supporting capacity of the reinforced concrete sandwich shear wall that institute's assembly unit finishes, the globality of the reinforced concrete sandwich shear wall that the assembly unit of raising institute is finished, anti-seismic performance etc., realize " being equal to " with common full-situ shear wall, improve again the utilization rate of material, avoid waste, and convenient construction, be convenient to check the connection of joint reinforcing bar, simultaneously when concreting, can also eliminate the hole that may exist in the cast-in-situ concrete of node junction, the mass defects such as voids and pits guarantee the reliability that the reinforced concrete sandwich shear wall connects.

Description of drawings

Fig. 1 is the precast wall body shell mechanism schematic perspective view (with insulation layer) of the utility model reinforced concrete sandwich shear wall;

Fig. 2 is the precast facade structure A-A generalized section of the utility model reinforced concrete sandwich shear wall shown in Figure 1;

Fig. 3 is the precast wall body shell mechanism concatenation construction concreting schematic diagram (with insulation layer) before of the utility model reinforced concrete sandwich shear wall;

Fig. 4 is the schematic diagram (with insulation layer) that the precast wall body shell mechanism concatenation construction of the utility model reinforced concrete sandwich shear wall is finished;

Fig. 5 is the precast wall body shell mechanism schematic perspective view (without insulation layer) of the utility model reinforced concrete sandwich shear wall.

The specific embodiment

The utility model is described in further detail below in conjunction with the drawings and specific embodiments:

Embodiment 1

Shown in Fig. 1,2,3 and 4: a kind of precast wall body shell mechanism of reinforced concrete sandwich shear wall, this shell mechanism is connected to form by a plurality of wall enclosure unit horizontal;

Each described wall enclosure unit comprises reinforced concrete prefabricated wall outer side surface layer 1, the inboard surface layer 2 of reinforced concrete prefabricated body of wall, cavity 4, concavo-convex breach 3 and precast reinforced 5, the inboard surface layer 2 of described reinforced concrete prefabricated wall outer side surface layer 1 and reinforced concrete prefabricated body of wall links together by Steel bar rack 6, form a kind of shell mechanism with described cavity, the both sides of the edge of the inboard surface layer 2 of described reinforced concrete prefabricated body of wall are shaped with concavo-convex breach 3 in advance, and concavo-convex breach 3 places are provided with precast reinforced 5;

Indentation, there is provided with additional distributing bar 8 between adjacent two described wall enclosure unit, and is connected with described precast reinforced 5 colligations;

The cavity 4 interior concrete 9 that all are filled with of indentation, there and each wall enclosure unit form an integral body between adjacent two described wall enclosure unit.

The inboard of described reinforced concrete prefabricated wall outer side surface layer 1 is provided with insulation layer 7, is provided with steel bar stress 10 in the described cavity 4.Whole concavo-convex breach 3 is run through at precast reinforced 5 of described concavo-convex breach 3 places.

At the construction field (site), first with the precast wall body shell hoisted in position of reinforced concrete sandwich shear wall, then the level connection joint place between the precast wall body shell arranges required additional distributing bar 8 and carries out colligation with precast reinforced 5 of precast wall body shell indentation, there, then with concavo-convex breach 3 sealings of template with precast wall body shell junction, concreting 9 in the cavity 4 of the most backward precast wall body shell, with the form removable of indentation, there, prefabricated shell and cast-in-situ concrete form integral body after cast-in-situ concrete reaches strength of mould stripping.

Embodiment 2:

A kind of precast wall body shell mechanism of reinforced concrete sandwich shear wall, as shown in Figure 5.The difference of present embodiment and embodiment 1 is:

The both sides of the edge of described reinforced concrete prefabricated wall outer side surface layer 1 are also prefabricated a described concavo-convex breach 3, and concavo-convex breach 3 places are provided with described precast reinforced 5, are provided with steel bar stress 10 in the reinforced concrete prefabricated wall outer side surface layer 1.

The precast wall body shell mechanism contains insulation layer among the embodiment 1, and the thickness of insulation layer can require according to the heat preservation energy-saving of building to arrange, and present embodiment does not then arrange insulation layer as inner body of wall; Reinforced concrete prefabricated wall outer side surface layer among the embodiment 1 only as the topping of insulation layer, according to the reinforcing bar of the requirement configuration somes such as cracking resistance and lifting, can determine according to the lateral pressure of durability and inner cast-in-situ concrete by its thickness;

Between two precast wall body surface layers, be provided with steel bar stress near insulation layer in the formed cavity among the embodiment 1, this example then is set directly at steel bar stress in the reinforced concrete prefabricated wall outer side surface layer, and the outer lateral layers in this example and inboard surface layer all are main parts of the force of overlapped shear wall;

Only be provided with concavo-convex breach at the inboard surface layer of reinforced concrete prefabricated body of wall among the embodiment 1, this example then is equipped with concavo-convex breach at the edge of outer lateral layers and inboard surface layer, and necessary additional distributing bar need to all be set at the concavo-convex breach of outer lateral layers and inboard surface layer during concatenation construction.

Present embodiment concatenation construction method is identical with embodiment 1.

Should be pointed out that for those skilled in the art under the prerequisite that does not break away from the utility model principle, can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.In the present embodiment not clear and definite each ingredient all available prior art realized.

Claims (4)

1. the precast wall body shell mechanism of a reinforced concrete sandwich shear wall, it is characterized in that: this shell mechanism is connected to form by a plurality of wall enclosure unit horizontal;
Each described wall enclosure unit comprises reinforced concrete prefabricated wall outer side surface layer, the inboard surface layer of reinforced concrete prefabricated body of wall, cavity, concavo-convex breach and precast reinforced, the inboard surface layer of described reinforced concrete prefabricated wall outer side surface layer and reinforced concrete prefabricated body of wall links together by Steel bar rack, form a kind of shell mechanism with described cavity, the both sides of the edge of the inboard surface layer of described reinforced concrete prefabricated body of wall are shaped with concavo-convex breach in advance, and concavo-convex indentation, there is provided with precast reinforced;
Indentation, there is provided with additional distributing bar between adjacent two described wall enclosure unit, and is connected with described precast reinforced colligation;
All be filled with concrete in the cavity of indentation, there and each wall enclosure unit between adjacent two described wall enclosure unit, form an integral body.
2. the precast wall body shell mechanism of a kind of reinforced concrete sandwich shear wall according to claim 1, it is characterized in that: the inboard of described reinforced concrete prefabricated wall outer side surface layer is provided with insulation layer, is provided with steel bar stress in the described cavity.
3. the precast wall body shell mechanism of a kind of reinforced concrete sandwich shear wall according to claim 1, it is characterized in that: the both sides of the edge of described reinforced concrete prefabricated wall outer side surface layer are also prefabricated a described concavo-convex breach, concavo-convex indentation, there is provided with described precast reinforced, is provided with steel bar stress in the reinforced concrete prefabricated wall outer side surface layer.
4. according to claim 1, the precast wall body shell mechanism of 2 or 3 described a kind of reinforced concrete sandwich shear walls, it is characterized in that: described concavo-convex indentation, there precast reinforced run through whole concavo-convex breach.
CN 201220336710 2012-07-12 2012-07-12 Prefabricating wall outer shell structure of reinforced concrete superimposition shear wall CN202787577U (en)

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102747796A (en) * 2012-07-12 2012-10-24 南京工业大学 Precast wall casing structure of reinforced concrete superposed shear wall and splicing method thereof
CN103452235A (en) * 2013-09-30 2013-12-18 王睿敏 Wallboard for prefabricated superimposed shearing wall, shearing wall and construction method of shearing wall
CN103726607A (en) * 2014-01-20 2014-04-16 王睿敏 Wall board for assembling integral shear wall, shear wall and construction method of shear wall
CN104695594A (en) * 2015-02-27 2015-06-10 同济大学 Superimposed shear wall based on semi-prefabricated super-tough reinforced concrete
CN105908869A (en) * 2014-11-14 2016-08-31 中国建筑第八工程局有限公司 Structural column structure formed based on 3D printed filling wall
CN105908862A (en) * 2014-08-29 2016-08-31 中国建筑第八工程局有限公司 Manufacturing method for masonry shells in 3D printing reinforced masonry shear wall
CN105937276A (en) * 2014-08-29 2016-09-14 中国建筑第八工程局有限公司 Making method of prefabricated concrete casting structure of 3D printing concrete shear wall
CN106003365A (en) * 2014-11-14 2016-10-12 中国建筑第八工程局有限公司 Heat insulation structure based on 3D-printed reinforced masonry

Cited By (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102747796A (en) * 2012-07-12 2012-10-24 南京工业大学 Precast wall casing structure of reinforced concrete superposed shear wall and splicing method thereof
CN103452235A (en) * 2013-09-30 2013-12-18 王睿敏 Wallboard for prefabricated superimposed shearing wall, shearing wall and construction method of shearing wall
CN103726607A (en) * 2014-01-20 2014-04-16 王睿敏 Wall board for assembling integral shear wall, shear wall and construction method of shear wall
CN106013531B (en) * 2014-08-29 2018-05-08 中国建筑第八工程局有限公司 The concrete shear wall structure based on 3D printing with concave convex texture
CN106003364B (en) * 2014-08-29 2019-01-04 中国建筑第八工程局有限公司 The method for preventing the concrete shear force wall based on 3D printing from shelling
CN105908862A (en) * 2014-08-29 2016-08-31 中国建筑第八工程局有限公司 Manufacturing method for masonry shells in 3D printing reinforced masonry shear wall
CN105937276A (en) * 2014-08-29 2016-09-14 中国建筑第八工程局有限公司 Making method of prefabricated concrete casting structure of 3D printing concrete shear wall
CN106013530A (en) * 2014-08-29 2016-10-12 中国建筑第八工程局有限公司 Reinforcement structure of concrete shear wall based on 3D printing
CN106013529A (en) * 2014-08-29 2016-10-12 中国建筑第八工程局有限公司 Reinforcement method of concrete shear wall based on 3D printing
CN106013531A (en) * 2014-08-29 2016-10-12 中国建筑第八工程局有限公司 3D-printing-based concrete shear wall structure with concave-convex lines
CN106003364A (en) * 2014-08-29 2016-10-12 中国建筑第八工程局有限公司 Method used for preventing concrete shear wall based on 3D printing from peeling
CN106121094B (en) * 2014-08-29 2019-01-04 中国建筑第八工程局有限公司 The precast concrete shell structure of concrete shear force wall based on 3D printing
CN106121094A (en) * 2014-08-29 2016-11-16 中国建筑第八工程局有限公司 Precast concrete shell structure based on the concrete shear force wall that 3D prints
CN105937276B (en) * 2014-08-29 2019-01-04 中国建筑第八工程局有限公司 The production method of the precast concrete shell structure of 3D printing concrete shear force wall
CN106013529B (en) * 2014-08-29 2019-01-04 中国建筑第八工程局有限公司 The arrangement of reinforcement method of concrete shear force wall based on 3D printing
CN106013530B (en) * 2014-08-29 2019-01-04 中国建筑第八工程局有限公司 The reinforcement structure of concrete shear force wall based on 3D printing
CN105908869B (en) * 2014-11-14 2018-03-30 中国建筑第八工程局有限公司 The pillar structure formed based on 3D printing filled wall
CN106193368B (en) * 2014-11-14 2018-05-08 中国建筑第八工程局有限公司 Connection method based on 3D printing reinforced masonry shear wall and insulation construction
CN106193368A (en) * 2014-11-14 2016-12-07 中国建筑第八工程局有限公司 The method of attachment of reinforced masonry shear wall and insulation construction is printed based on 3D
CN106193365B (en) * 2014-11-14 2018-05-08 中国建筑第八工程局有限公司 The construction method of 3D printing reinforced masonry heat-preservation shear wall
CN106003365B (en) * 2014-11-14 2018-05-08 中国建筑第八工程局有限公司 Insulation construction based on 3D printing reinforced masonry
CN106121090B (en) * 2014-11-14 2018-06-19 中国建筑第八工程局有限公司 The method of anchor connection reinforcing bar in 3D printing filled wall
CN106193365A (en) * 2014-11-14 2016-12-07 中国建筑第八工程局有限公司 3D prints the construction method of reinforced masonry heat-preservation shear wall
CN106003365A (en) * 2014-11-14 2016-10-12 中国建筑第八工程局有限公司 Heat insulation structure based on 3D-printed reinforced masonry
CN105908869A (en) * 2014-11-14 2016-08-31 中国建筑第八工程局有限公司 Structural column structure formed based on 3D printed filling wall
CN106121090A (en) * 2014-11-14 2016-11-16 中国建筑第八工程局有限公司 3D prints the method for anchor connection reinforcing bar in filled wall
CN104695594A (en) * 2015-02-27 2015-06-10 同济大学 Superimposed shear wall based on semi-prefabricated super-tough reinforced concrete

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