CN115030396A - Prefabricated ceramsite concrete sandwich wallboard provided with triangular cone truss type steel bar net rack - Google Patents

Prefabricated ceramsite concrete sandwich wallboard provided with triangular cone truss type steel bar net rack Download PDF

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Publication number
CN115030396A
CN115030396A CN202210479974.7A CN202210479974A CN115030396A CN 115030396 A CN115030396 A CN 115030396A CN 202210479974 A CN202210479974 A CN 202210479974A CN 115030396 A CN115030396 A CN 115030396A
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CN
China
Prior art keywords
triangular
concrete
steel bar
net rack
bar net
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Pending
Application number
CN202210479974.7A
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Chinese (zh)
Inventor
李振宝
李艳娜
李沐珊
唐贞云
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Beijing University of Technology
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Beijing University of Technology
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Publication date
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Priority to CN202210479974.7A priority Critical patent/CN115030396A/en
Publication of CN115030396A publication Critical patent/CN115030396A/en
Pending legal-status Critical Current

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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04CSTRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C2/00Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
    • E04C2/02Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
    • E04C2/26Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups
    • E04C2/284Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups at least one of the materials being insulating
    • E04C2/288Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups at least one of the materials being insulating composed of insulating material and concrete, stone or stone-like material
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62Insulation or other protection; Elements or use of specified material therefor
    • E04B1/74Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
    • E04B1/88Insulating elements for both heat and sound
    • E04B1/90Insulating elements for both heat and sound slab-shaped
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04CSTRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C2/00Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
    • E04C2/30Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04CSTRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C5/00Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
    • E04C5/01Reinforcing elements of metal, e.g. with non-structural coatings
    • E04C5/06Reinforcing elements of metal, e.g. with non-structural coatings of high bending resistance, i.e. of essentially three-dimensional extent, e.g. lattice girders
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/90Passive houses; Double facade technology

Abstract

A prefabricated ceramsite concrete sandwich wallboard provided with a triangular-cone truss type steel bar net rack belongs to the technical field of structural engineering and is mainly used for a bearing wall of an assembly type building. The wall body comprises a first concrete layer, a middle ceramsite concrete interlayer, a second concrete layer and a triangular cone truss type steel bar net rack; the triangular-cone truss-type reinforcing steel bar net rack comprises two plane net pieces embedded into the first concrete layer and the second concrete layer respectively and triangular bent reinforcing steel bars which penetrate through the middle ceramsite concrete interlayer and are welded on the plane net pieces. The ceramsite concrete interlayer has the advantages of light weight, heat insulation, sound insulation, fire prevention, environmental protection and the like, and can improve the heat insulation performance of the wall body and reduce the energy consumption of a building while reducing the dead weight of the wall body; the special structure of the triangular-cone truss-type steel bar net rack can effectively tie the outer common concrete layers on the two sides, and meanwhile, the bearing capacity and the ductility of the ceramsite concrete interlayer are improved.

Description

Prefabricated ceramsite concrete sandwich wallboard provided with triangular cone truss type steel bar net rack
Technical Field
The invention relates to a ceramsite concrete interlayer shear wall, in particular to a prefabricated ceramsite concrete interlayer wallboard provided with a triangular-cone truss type reinforcing steel bar net rack, and belongs to the technical field of structural engineering.
Background
At present, common shear wall heat preservation forms comprise an inner heat preservation form, an inner heat preservation form and a sandwich heat preservation form, the inner heat preservation form and the outer heat preservation form can often generate the problems of condensation, hollowing, falling and the like, the traditional sandwich heat preservation mostly adopts flammable materials, the potential fire safety hazard exists, and the service life of the traditional sandwich heat preservation form is difficult to be as long as that of a main structure.
Compared with the common concrete, the ceramsite concrete has the advantages of light weight, heat preservation, heat insulation, good fire resistance, strong sound insulation, environmental protection and the like. In recent years, the nation vigorously promotes green production, energy conservation and emission reduction, and the ceramsite concrete is applied to the interlayer part of the main structure wall, so that the ceramsite concrete meets the requirements of related strategies of the nation and has good application prospects.
Disclosure of Invention
The invention aims to provide a prefabricated ceramsite concrete interlayer wallboard provided with a triangular-cone truss type reinforcing steel bar net rack, wherein a lightweight porous ceramsite concrete inorganic material is used for replacing a conventional organic heat-insulating material to serve as a shear wall interlayer, and the triangular-cone truss type reinforcing steel bar net rack is matched with the lightweight porous ceramsite concrete inorganic material; the scheme can improve the heat preservation and sound insulation effects of the wall body, solves the problems of strength, durability and the like when the ceramsite concrete is used for the main body structure, and has positive significance for reducing the operation energy consumption of the building.
In order to realize the functions, the technical scheme adopted by the invention is as follows:
the prefabricated ceramsite concrete interlayer wallboard provided with the triangular-cone truss type steel bar net rack comprises a first concrete layer, a middle ceramsite concrete interlayer, a second concrete layer and the triangular-cone truss type steel bar net rack; the triangular cone truss type steel bar net rack comprises a plurality of triangular bent steel bars, a first plane net piece and a second plane net piece; the first plane net sheet and the second plane net sheet are made by binding or welding horizontal distribution ribs and vertical distribution ribs configured according to the construction requirements of the shear wall; the first plane mesh is embedded in the first concrete layer, and the second plane mesh is embedded in the second concrete layer; each triangular bent steel bar is made by continuously bending the steel bar into a plurality of waveforms and is provided with a plurality of vertexes and a plurality of foot points; every two adjacent triangular bent reinforcing steel bars are welded on the upper side of a certain horizontal distribution rib in the second plane mesh, the top of the upper row of triangular bent reinforcing steel bars is welded on the lower side of the same horizontal distribution rib in the second plane mesh, and the foot points of each triangular bent reinforcing steel bar are connected with the intersection points of the horizontal distribution rib and the vertical distribution rib in the first plane mesh in a welding manner.
The distance between the distributed steel bars in any direction of the first plane mesh and the second plane mesh is not less than 100mm and not more than 200 mm.
The first concrete layer and the second concrete layer are made of premixed common commercial concrete, and the pouring thickness of any layer is not less than 50mm and not more than 80 mm.
The middle ceramsite concrete interlayer is vibration-free ceramsite concrete, and the strength is not less than 5MPa and not more than 20 MPa.
The invention has the beneficial effects that:
(1) the middle interlayer of the shear wall adopts the lightweight, heat-insulating and sound-insulating ceramsite concrete, so that the self weight of the wall body is reduced, and the heat insulation performance and the sound insulation effect of the wall body can be improved.
(2) The ceramsite concrete is arranged between two layers of common concrete as an interlayer, so that the overall strength and durability of the shear wall can be ensured, and the purpose that the service life of the heat-insulating material is as long as that of a main body structure is achieved.
(3) The triangular-cone truss-type steel bar net rack can improve the drawknot effect, can also improve the bearing capacity and the ductility of the middle ceramsite concrete interlayer, and better realizes the cooperative work of all parts of the wall body.
(4) The shear wall has a simple overall process and is easy to realize industrial production.
Drawings
FIG. 1 is a three-dimensional schematic of the structure of the present invention
FIG. 2 is a schematic cross-sectional view of the structure of the present invention
FIG. 3 is a schematic view of a triangular pyramid truss type steel bar net rack
FIG. 4 is an enlarged view of the A part of the triangular-cone truss-type steel bar net rack
FIG. 5 is a schematic view of a triangular bent steel bar
FIG. 6 is a schematic view of a planar mesh
Wherein the drawings include the following notations: the concrete is characterized in that the concrete comprises a first concrete layer 1, a middle ceramsite concrete interlayer 2, a second concrete layer 3, a triangular cone truss type reinforcing steel bar net rack 4, triangular bent reinforcing steel bars 5, a planar mesh piece I6, a planar mesh piece II 7, a vertex 501 and a foot point 502.
Detailed Description
The invention is described in further detail below with reference to the following figures and examples:
dispose three pyramid truss-like reinforcing bar net rack's prefabricated haydite concrete intermediate layer wallboard, its characterized in that: comprises a first concrete layer 1, a middle ceramsite concrete interlayer 2, a second concrete layer 3 and a triangular cone truss type steel bar net rack 4, as shown in figures 1 and 2; the triangular-cone truss-type reinforcing steel bar net rack 4 comprises a plurality of triangular bent reinforcing steel bars 5, a first plane net piece 6 and a second plane net piece 7, and is shown in figure 3; the first plane mesh 6 and the second plane mesh 7 are made by binding or welding horizontal distribution ribs and vertical distribution ribs configured according to the construction requirements of the shear wall, as shown in fig. 6; the first planar mesh 6 is embedded in the first concrete layer 1, and the second planar mesh 7 is embedded in the second concrete layer 3; each triangular bent steel bar 5 is made by continuously bending the steel bar into a plurality of waveforms and is provided with a plurality of vertexes 501 and a plurality of foot points 502; every two adjacent triangles bend the reinforcing bar 5, will go up the summit 501 welding of arranging triangle bending reinforcing bar 5 and at the upside of a certain horizontal distribution muscle in two 7 planar meshes, and the summit 501 welding of arranging triangle bending reinforcing bar 5 down is at the downside of same horizontal distribution muscle in two 7 planar meshes to make each triangle bending reinforcing bar 5's foot point 502 all pass through welded connection with the nodical of horizontal distribution muscle and vertical distribution muscle in one 6 planar meshes.
In this embodiment, the distance between the distributed steel bars in any direction of the first planar mesh 6 and the second planar mesh 7 is 150 mm.
In the embodiment, the first concrete layer 1 and the second concrete layer 3 are prepared by pre-mixed common commercial concrete, and the casting thickness of each layer is 50 mm; the middle ceramsite concrete interlayer 2 is made of vibration-free ceramsite concrete, and the strength is 5 MPa.
In the embodiment, the prefabricated ceramsite concrete interlayer wallboard provided with the triangular-cone truss type steel bar net rack uses a light porous ceramsite concrete inorganic material to replace a conventional organic heat-insulating material to serve as a shear wall interlayer, so that the self weight of the wall body can be reduced, the heat-insulating and sound-insulating properties of the wall body can be improved, and the potential safety hazard of fire prevention can be reduced; the outer layer of both sides adopts ordinary concrete material, still can guarantee the bulk strength and the durability of shear force wall.
The triangular-cone truss-type steel bar net rack in the embodiment can effectively tie three layers of concrete materials, ensures the integrity of the shear wall, and can improve the strength and the ductility of a ceramsite concrete interlayer part by the structure, so that the aim of integrating bearing and heat preservation of a wall body can be fulfilled.
The foregoing is illustrative of the preferred embodiments of the present invention and is not to be construed as limiting thereof. Modifications and variations of the above-described embodiments may be made by any person skilled in the art. Therefore, all equivalent modifications or changes that can be made without departing from the spirit and technical idea of the present invention are still within the scope of the present invention.

Claims (3)

1. Dispose three pyramid truss-like reinforcing bar net rack's prefabricated haydite concrete intermediate layer wallboard, its characterized in that: comprises a first concrete layer (1), a middle ceramsite concrete interlayer (2), a second concrete layer (3) and a triangular cone truss type steel bar net rack (4); the triangular-cone truss-type reinforcing steel bar net rack (4) comprises a plurality of triangular bent reinforcing steel bars (5), a first plane net piece (6) and a second plane net piece (7); the first plane mesh (6) and the second plane mesh (7) are made by binding or welding the horizontally distributed ribs and the vertically distributed ribs; the first plane mesh (6) is embedded in the first concrete layer (1), and the second plane mesh (7) is embedded in the second concrete layer (3); each triangular bent steel bar (5) is made by continuously bending the steel bar into a plurality of waveforms and is provided with a plurality of vertexes and a plurality of foot points; every two adjacent triangular bent reinforcing steel bars (5) are welded on the upper side of a certain horizontal distribution rib in the planar mesh piece two (7) at the top point (501) of the upper row of triangular bent reinforcing steel bars, the lower side of the same horizontal distribution rib in the planar mesh piece two (7) at the top point (501) of the lower row of triangular bent reinforcing steel bars is welded on the lower side of the same horizontal distribution rib in the planar mesh piece two (7), and the foot point (502) of each triangular bent reinforcing steel bar (5) is connected with the intersection points of the horizontal distribution rib and the vertical distribution rib in the planar mesh piece one (6) in a welding mode.
2. The prefabricated ceramsite concrete sandwich wallboard provided with the triangular-cone truss-type steel bar net rack according to claim 1, is characterized in that: the distance between distributed reinforcing steel bars in any direction of the first planar mesh (6) and the second planar mesh (7) is not less than 100mm and not more than 200 mm.
3. The prefabricated ceramsite concrete sandwich wallboard provided with the triangular-cone truss-type steel bar net rack according to claim 1, is characterized in that: the first concrete layer (1) and the second concrete layer (3) are made of premixed common commercial concrete, and the pouring thickness of any layer is not less than 50mm and not more than 80 mm; the middle ceramsite concrete interlayer (2) is made of vibration-free ceramsite concrete, and the strength is not less than 5MPa and not more than 20 MPa.
CN202210479974.7A 2022-05-05 2022-05-05 Prefabricated ceramsite concrete sandwich wallboard provided with triangular cone truss type steel bar net rack Pending CN115030396A (en)

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Application Number Priority Date Filing Date Title
CN202210479974.7A CN115030396A (en) 2022-05-05 2022-05-05 Prefabricated ceramsite concrete sandwich wallboard provided with triangular cone truss type steel bar net rack

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Application Number Priority Date Filing Date Title
CN202210479974.7A CN115030396A (en) 2022-05-05 2022-05-05 Prefabricated ceramsite concrete sandwich wallboard provided with triangular cone truss type steel bar net rack

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0048728A1 (en) * 1980-03-28 1982-04-07 Heikki Satila Construction system based on thin concrete boards and cassette element for the implementation of the system.
US20150145156A1 (en) * 2012-05-08 2015-05-28 Kunshan Ecological Building Technology Co., Ltd. Method of casting in-situ ferrocement ribbed slab with spliced rack and suspended formwork
CN205976197U (en) * 2016-08-25 2017-02-22 香港理工大学深圳研究院 Concrete composite wall panel structure, building with function gradient
CN212926700U (en) * 2020-06-30 2021-04-09 湖南三一快而居住宅工业有限公司 Precast concrete double-sided superposed shear wall
CN113684965A (en) * 2021-09-24 2021-11-23 华东建筑设计研究院有限公司 Prefabricated superimposed thermal insulation wall and shear wall
CN215253698U (en) * 2021-04-28 2021-12-21 大连港口设计研究院有限公司 Ceramsite foam concrete exterior wall hanging plate in assembly type building

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0048728A1 (en) * 1980-03-28 1982-04-07 Heikki Satila Construction system based on thin concrete boards and cassette element for the implementation of the system.
US20150145156A1 (en) * 2012-05-08 2015-05-28 Kunshan Ecological Building Technology Co., Ltd. Method of casting in-situ ferrocement ribbed slab with spliced rack and suspended formwork
CN205976197U (en) * 2016-08-25 2017-02-22 香港理工大学深圳研究院 Concrete composite wall panel structure, building with function gradient
CN212926700U (en) * 2020-06-30 2021-04-09 湖南三一快而居住宅工业有限公司 Precast concrete double-sided superposed shear wall
CN215253698U (en) * 2021-04-28 2021-12-21 大连港口设计研究院有限公司 Ceramsite foam concrete exterior wall hanging plate in assembly type building
CN113684965A (en) * 2021-09-24 2021-11-23 华东建筑设计研究院有限公司 Prefabricated superimposed thermal insulation wall and shear wall

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