CN103835404B - Covered with Angles silk screen Mortar Plates L-shaped frame foamed concrete bearing wall and the practice - Google Patents
Covered with Angles silk screen Mortar Plates L-shaped frame foamed concrete bearing wall and the practice Download PDFInfo
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Abstract
The present invention relates to a kind of Covered with Angles silk screen Mortar Plates L-shaped frame foamed concrete bearing wall and the practice, described body of wall is mainly made up of L-shaped reinforced concrete frame post, ferro-cement plate, light foaming concrete body of wall, prefabricated connector, concrete, horizontal distribution reinforcing bar, sleeper, high Polymer Mortar.Wire mesh mortar plate intensity of the present invention is high, permeability resistance is strong, it is possible to significantly improves bulk strength and the durability of body of wall, reaches to exempt to tear open simultaneously as outer template；Body of wall corner Mortar Plates is one-body molded to be connected by high Polymer Mortar, improves the globality of body of wall, effectively enhances the anti-seismic performance of body of wall；Sleeper and body of wall uniform thickness, it is to avoid occur that post is stupefied, saved construction area simultaneously；Connected by sleeper, body of wall horizontal distribution reinforcing bar, the effective of prefabricated connector, improve body of wall entirety anti-seismic performance.
Description
Technical field
The present invention relates to a kind of Covered with Angles silk screen Mortar Plates L-shaped frame foamed concrete bearing wall and the practice, belong to energy-saving building technology field.
Background technology
Along with the quickening of China's modernization, the construction of all kinds of social infrastructures is in the ascendant.Building do not require nothing more than there is safety, functional, and require there is enough durability.To the end of this century, will there be 50% entrance ageing step in the existing house of China, say, that will have 23.4 hundred million m2Building face endurance issues.Therefore how to improve the durability of building, be always up the hot issue of current research.
Meanwhile, along with the fast development of China's economy, this field of energy saving building being it is also proposed new requirement, to " the 12 " end of term, building energy conservation forms 1.16 hundred million tons of standard coal energy saving capability.Wherein Development of Green Building, strengthens new building energy conservation, forms 45,000,000 tons of standard coal energy saving capability；In-depth supply hot water reform, heat billing of carrying out in an all-round way, advance northern heating area existing building heat metering and reducing energy consumption, form 27,000,000 tons of standard coal energy saving capability；Strengthen public building energy efficiency supervision construction, promote reducing energy consumption and operational management, form 14,000,000 tons of standard coal energy saving capability, it is seen that New Dwelling building energy conservation task is very heavy.Expecting at the bottom of the year two thousand twenty, whole nation house architectural area will reach 68,600,000,000 square metres, and wherein low layer, tier building are 42,500,000,000 square metres, and low tier building energy saving task is very arduous.
Traditional Multi-storey block durability, overall anti-seismic performance are generally poor.And Shear-wall of High-rise House is due to the restriction of thickness of wall body and reinforcement detailing thereof, directly applies mechanically in multilamellar shear wall structure and have that cost is higher, body of wall is thicker, the problem not easily promoted.Based on this, the present invention proposes one and simplifies arrangement of reinforcement, it is easy to construction, replaces conventional template with wire mesh mortar plate, and cast-in-place foaming lightweight concrete body of wall substitutes traditional masonry wall, and durable energy-saving earthquake-resistant is integrated, be suitable for the new structural system of low tier building.
Summary of the invention
It is an object of the invention to provide a kind of Covered with Angles silk screen Mortar Plates L-shaped frame foamed concrete bearing wall with advantages such as simple structure, cheap, easy construction, the integrations of durable energy-saving earthquake-resistant and the practice, to effectively solving the problems such as tradition is low, tier building poor durability, thermal and insulating performance are poor, shock resistance is weak.
For achieving the above object, the technical solution used in the present invention is as follows:
A kind of Covered with Angles silk screen Mortar Plates L-shaped frame foamed concrete bearing wall, described body of wall is mainly made up of L-shaped reinforced concrete frame post, ferro-cement plate, light foaming concrete body of wall, prefabricated connector, concrete, horizontal distribution reinforcing bar, sleeper, high Polymer Mortar；
Described L-shaped reinforced concrete frame post is placed in longitudinal and transverse body of wall junction, its intermediate layer is made up of three armored concrete sleeper, along direction, parallel ground by horizontal distribution bar connecting between each armored concrete sleeper, described three armored concrete sleeper lay respectively at the vertical end of wall body of wall, body of wall junction in length and breadth, the end of transverse wall of roasting furnace and two；The whole Covered with Angles silk screen reinforced cement-mortar board of L-shaped reinforced concrete frame post outer layer；L-shaped reinforced concrete frame post is internally provided with framework of steel reinforcement and is perfused with concrete, thus forming integrated three sleeper；
Described light foaming concrete body of wall is positioned at the middle part of both sides L-shaped reinforced concrete frame post, two ends are the ferro-cement plate of L-shaped reinforced concrete frame post, the both sides of light foaming concrete body of wall are provided with ferro-cement plate, inside is filled with light foaming concrete, and the both sides ferro-cement plate of light foaming concrete body of wall adopts prefabricated connector to be attached simultaneously；
Described horizontal distribution reinforcing bar is placed in the middle part of L-shaped steel frame columns and light foaming concrete body of wall and is connected with sleeper stirrup；Junction between described ferro-cement plate adopts high Polymer Mortar to bond.
Described ferro-cement plate length or width are 50mm, 150mm, 300mm or 600mm, and thickness is 20～25mm.
Described ferro-cement intralaminar part has steel wire to gather net as framework of steel reinforcement.
For throwing plane outside described ferro-cement plate, inner face is matsurface, and ferro-cement plate keeps the fissure of displacement to overlap when setting up.
Described high Polymer Mortar provides flexible adhesion for the connection between ferro-cement plate, and high Polymer Mortar smearing thickness is less than 5mm.
Described prefabricated connector is screw rod or steel bar girder, and when adopting screw rod to connect, screw rod material is rustless steel, spacer frame columns edge 150～200mm, and the level interval of layout is 300～400mm, and vertical spacing is 400～500mm；When adopting steel bar girder link, reinforcing bar adopts HPB300 model, and reinforcing bar and horizontal line angle are 45 °, are equally spaced, and level interval is 250～300mm, and vertical spacing is 400～500mm.
Described horizontal distribution reinforcing bar adopts HRB335 level or HRB400 level reinforcing bar；When antidetonation earthquake intensity is not more than 7 degree, horizontal distribution bar diameter is 6mm～8mm, spacing 400～500mm；When antidetonation earthquake intensity is more than 7 degree and when being not more than 8 degree, horizontal distribution bar diameter is 12mm～14mm, spacing 400～500mm.
Described sleeper longitudinal reinforcement adopts HRB335 level or HRB400 level reinforcing bar, and diameter is 12mm～14mm；Stirrup diameter is 8mm～10mm, stirrup spacing 150mm.
Concrete in L-shaped reinforced concrete frame post is normal concrete or regeneration concrete；If regeneration concrete, replacing with coarse aggregate Replacement rate for standard, Replacement rate is less than 30%.
The practice of above-mentioned Covered with Angles silk screen Mortar Plates L-shaped frame foamed concrete bearing wall, manufacture method is as follows:
Step one: insert in foundation beam by size by the framework of steel reinforcement of armored concrete sleeper, builds foundation beam armored concrete；
Step 2: foundation beam upper surface is carried out copying measuring line, levelling foundation beam upper surface by house planar dimension, ejects double solid line by the thickness of ferro-cement plate；
Step 3: ferro-cement plate carries out overlap joint brick work, ferro-cement plate adopts high Polymer Mortar to bond, and body of wall place ferro-cement plate is holed simultaneously, adds prefabricated connector；
Step 4: at the top layout horizontal distribution reinforcing bar along the high every skin ferro-cement plate of wall, in the end of longitudinal and transverse wall by horizontal distribution reinforcing bar binding in the stirrup side middle of adjacent reinforced concrete sleeper, make to connect into entirety between armored concrete sleeper；
Step 5: join L-shaped place at longitudinal cross wall, builds normal concrete or the L-shaped reinforced concrete frame post of regeneration concrete formation Covered with Angles silk screen Mortar Plates in the frame that ferro-cement plate surrounds；Cast-in-place light foamed concrete in the cavity of body of wall ferro-cement plate, forms light foaming concrete body of wall.
Beneficial effect:
Covered with Angles silk screen Mortar Plates L-shaped frame foamed concrete bearing wall of the present invention is applicable to villages and small towns tier building.Body of wall corner is by sleeper and the combination of horizontal steel tie, and shear behavior is good.Sleeper and body of wall uniform thickness, save construction area, it is to avoid occur that post is stupefied.Body of wall gross thickness is about 200mm, greatly reduces the deadweight of body of wall, decreases inertia force effect, improves anti-seismic performance.Adopt durability and all good wire mesh mortar plate of intensity as exterior sheathing simultaneously, overall durability and the bearing capacity of structure both in order to avoid tearing open, can be improve again, being about 25%.
Accompanying drawing explanation
Fig. 1 is the Covered with Angles silk screen Mortar Plates L-shaped frame foamed concrete bearing wall of the present invention；
Fig. 2 is prefabricated connector schematic diagram；
Fig. 3 is L-shaped reinforced concrete frame post arrangement of reinforcement and organigram；
Fig. 4 is armored concrete sleeper arrangement of reinforcement schematic diagram；
Fig. 5 is Covered with Angles silk screen Mortar Plates L-shaped frame foamed concrete bearing wall elevation of the present invention.
In figure: 1-L shape reinforced concrete frame post, 2-ferro-cement plate, 3-light foaming concrete body of wall, the prefabricated connector of 4-, 5-concrete, 6-horizontal distribution reinforcing bar, 7-sleeper, 8-height Polymer Mortar.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention will be further described:
As Figure 1-5, the Covered with Angles silk screen Mortar Plates L-shaped frame foamed concrete bearing wall of the present invention, this body of wall includes L-shaped reinforced concrete frame post 1, ferro-cement plate 2, light foaming concrete body of wall 3, prefabricated connector 4, concrete 5, horizontal distribution reinforcing bar 6, sleeper 7, high Polymer Mortar 8.
Specifically, L-shaped reinforced concrete frame post 1 is placed in body of wall junction in length and breadth, its intermediate layer is made up of three armored concrete sleeper 7, connected along direction, parallel ground by horizontal distribution reinforcing bar 6 between each armored concrete sleeper 7, described three armored concrete sleeper 7 lay respectively at the vertical end of wall body of wall, body of wall junction in length and breadth, the end of transverse wall of roasting furnace and two, connected by horizontal distribution reinforcing bar 6 between three armored concrete sleeper 7, strengthen overall mechanical property；Described horizontal distribution reinforcing bar 6 is placed in the middle part of L-shaped reinforced concrete frame post 1 and is connected with sleeper 7 stirrup.The whole Covered with Angles silk screen reinforced cement-mortar board 2 of L-shaped reinforced concrete frame post 1, employing non-dismantling formwork designs, achieving durable energy saving integrated, ferro-cement plate 2 junction adopts high Polymer Mortar 8 to bond, and is filled to ordinary reinforced concrete or regeneration concrete 5 inside frame columns.
Light foaming concrete body of wall 3 is positioned at the middle part of both sides reinforced concrete frame post 1, two ends are the ferro-cement plate 2 of frame columns 1, light foaming concrete it is filled to inside body of wall, adopting prefabricated connector 4 to be attached from frame columns certain position place simultaneously, playing location and add the effect being solidly connected, the form of connection can be divided into screw rod to connect and steel bar girder connects.Above structure together constitutes durable, insulation, all good Covered with Angles silk screen Mortar Plates energy-conservation bearing wall of L-shaped frame foamed concrete of antidetonation.
L-shaped reinforced concrete frame post 1 is load-bearing main body, and cast-in-place light foaming concrete wall 3 is first anti-vibration defense lines energy-dissipating and shock-absorbing；L-shaped reinforced concrete frame post 1 is second defence line antidetonation shock attenuation collaborative with lightweight cast-in-situ wall；Ferro-cement plate 2 instead of the levelling of conventional template technique and outside screed, significantly reducing the thickness of body of wall, thus improve the overall anti-seismic performance of body of wall, well improve the bearing capacity of body of wall simultaneously as housing constraint；With high Polymer Mortar and prefabricated connector, solve the connectivity problem of ferro-cement plate 2, improve the globality of body of wall preferably；Compared with frame-generic shear wall structure, Seismic Bearing Capacity reduces, but has clear and definite multiple seismic-proof, and ductility is good；Body of wall is light, and Earthquake Inertia Force Acting is little；Arrangement of reinforcement is few, reduces material consumption, reduces the cost of engineering；Endurance quality is superior, and energy-dissipating and shock-absorbing is effective, and heat-insulating property is good, adapts to industrialized development.
Described L-shaped reinforced concrete frame post 1 is positioned at longitudinal cross wall junction, it is made up of 3 armored concrete sleeper 7 simplifying arrangement of reinforcement, 7 horizontal directions of adjacent sleeper are connected by horizontal reinforcement 6, housing is that wire mesh mortar plate retrains, the high Polymer Mortar 8 that is connected by of ferro-cement plate bonds, the internal filling of L-shaped reinforced concrete frame post 1 can be normal concrete, it can also be the regeneration concrete of energy-conserving and environment-protective, enhancing frame columns opposing horizontal loading ability, anti-seismic performance is improved.
Described light foaming concrete body of wall 3 is positioned at the cavity encircled a city by ferro-cement plate 3, and by horizontal steel tie 6 and foaming lightweight concrete, prefabricated connector 4 and high Polymer Mortar 8 are constituted.First ferro-cement plate 2 is built into along building axis line group during making the housing of body of wall, inside adds prefabricated connector 4 simultaneously, in the cavity of wire mesh mortar template, along wall height, horizontal distribution reinforcing bar 6 is set in adjacent level junction snaps into the inside of sleeper 7, cast-in-place light foamed concrete in housing cavity again, forms the Covered with Angles silk screen Mortar Plates energy-conservation bearing wall of L-shaped frame foamed concrete.
Described horizontal distribution reinforcing bar 6 can adopt HRB335 level or HRB400 level；When antidetonation earthquake intensity is not more than 7 degree, body of wall horizontal distribution bar diameter can be 6mm～8mm, spacing 400～500mm；When antidetonation earthquake intensity is not more than 8 degree more than 7 degree, body of wall horizontal distribution bar diameter is 12mm～14mm, spacing 400～500mm；
Described armored concrete sleeper 7 longitudinal reinforcement adopts HRB335 level or HRB400 level reinforcing bar, and diameter is 12mm～14mm；Stirrup diameter is 8mm～10mm, stirrup spacing 150mm.
Wire mesh mortar plate grows tall and can be processed into corresponding modulus, such as 50,150,300,600mm, thickness is 20～25mm.What mortar adopted is High Performance Mortar, and inside has steel wire to gather net as framework of steel reinforcement, and the connection of ferro-cement plate is mainly the bonding of high Polymer Mortar and the connection of prefabricated connector.When processing wire mesh mortar plate, only throwing the flat one side outside as formwork for placing, coarse one side is the inner face of formwork for placing, thus being effectively improved the bonding of concrete and the wire mesh mortar plate built.
What high Polymer Mortar 8 was ferro-cement plate flexibly connects, and smearing thickness is less than 5mm, in order to quickly adhesive-hardening, thus what overcome wire mesh mortar template sets up problem.
The type of attachment of prefabricated connector 4 includes screw rod and connects and steel bar girder connection, and when adopting screw rod to connect, screw rod material is rustless steel, spacer frame columns edge 150～200mm, and the level interval of layout is 300～400mm, and vertical spacing is 400～500mm；When adopting steel bar girder link, reinforcing bar adopts HPB300 model, and diameter is 8～10mm, and reinforcing bar and horizontal line angle are 45 °, are equally spaced, and level interval is 250～300mm, and vertical spacing is 400～500mm.Prefabricated connector 4 is not only wire mesh mortar plate and provides reliable connection, inhibits the produced outward expansion effect when casting concrete (regeneration concrete), light foaming concrete of wire mesh mortar plate module simultaneously.
Its manufacture method is as follows:
The framework of steel reinforcement of armored concrete sleeper 7 is inserted in foundation beam by size by S1, builds foundation beam armored concrete.
Foundation beam upper surface is carried out copying measuring line, levelling foundation beam upper surface by house planar dimension by S2, ejects double solid line by the thickness of ferro-cement plate 2.
Ferro-cement plate 2 is carried out overlap joint brick work by S3, and ferro-cement plate 2 adopts high Polymer Mortar 8 to bond, and body of wall place ferro-cement plate 2 is holed simultaneously, adds prefabricated connector 4.
S4, at the top layout horizontal distribution reinforcing bar 6 along the high every skin ferro-cement plate 2 of wall, in the end of longitudinal cross wall by horizontal distribution reinforcing bar 6 colligation in the stirrup side middle of adjacent reinforced concrete sleeper 7, makes to connect into entirety between armored concrete sleeper 7.
S5 joins L-shaped place at longitudinal cross wall, builds normal concrete or the L-shaped reinforced concrete frame post 1 of regeneration concrete formation Covered with Angles silk screen reinforced cement-mortar board 2 in the frame that ferro-cement plate 2 surrounds；Cast-in-place light foamed concrete in the cavity of body of wall ferro-cement plate 2, forms light foaming concrete body of wall 3.
Below being only an exemplary embodiments of the present invention, the enforcement of the present invention is not limited to this.
Claims (1)
1. a practice for Covered with Angles silk screen Mortar Plates L-shaped frame foamed concrete bearing wall, described body of wall is mainly made up of L-shaped reinforced concrete frame post (1), ferro-cement plate (2), light foaming concrete body of wall (3), prefabricated connector (4), concrete (5), horizontal distribution reinforcing bar (6), sleeper (7), high Polymer Mortar (8)；
Described L-shaped reinforced concrete frame post (1) is placed in longitudinal and transverse body of wall junction, its intermediate layer is made up of three armored concrete sleeper (7), being connected along direction, parallel ground by horizontal distribution reinforcing bar (6) between each armored concrete sleeper (7), described three armored concrete sleeper (7) lay respectively at the vertical end of wall body of wall, body of wall junction in length and breadth, the end of transverse wall of roasting furnace and two；L-shaped reinforced concrete frame post (1) outer layer whole Covered with Angles silk screen reinforced cement-mortar board (2)；L-shaped reinforced concrete frame post (1) is internally provided with framework of steel reinforcement and is perfused with concrete (5), thus forming integrated three sleeper (7)；
Described light foaming concrete body of wall (3) is positioned at the middle part of both sides L-shaped reinforced concrete frame post (1), two ends are the ferro-cement plate (2) of L-shaped reinforced concrete frame post (1), the both sides of light foaming concrete body of wall (3) are provided with ferro-cement plate (2), inside is filled with light foaming concrete, and both sides ferro-cement plate (2) of light foaming concrete body of wall (3) adopt prefabricated connector (4) to be attached simultaneously；
Described horizontal distribution reinforcing bar (6) is placed in L-shaped steel frame columns (1) and light foaming concrete body of wall (3) middle part and is connected with sleeper (7) stirrup；Junction between described ferro-cement plate (2) adopts high Polymer Mortar (8) to bond；
Described ferro-cement plate (2) length or width are 50mm, 150mm, 300mm or 600mm, and thickness is 20～25mm；
Described ferro-cement plate (2) is internal has steel wire to gather net as framework of steel reinforcement；
Described ferro-cement plate (2) outside is for throwing plane, and inner face is matsurface, and ferro-cement plate (2) keeps the fissure of displacement to overlap when setting up；
Described high Polymer Mortar (8) provides flexible adhesion for the connection between ferro-cement plate (2), and high Polymer Mortar (8) smearing thickness is less than 5mm；
Described prefabricated connector (4) is screw rod or steel bar girder, and when adopting screw rod to connect, screw rod material is rustless steel, spacer frame columns edge 150～200mm, and the level interval of layout is 300～400mm, and vertical spacing is 400～500mm；When adopting steel bar girder link, reinforcing bar adopts HPB300 model, and reinforcing bar and horizontal line angle are 45 °, are equally spaced, and level interval is 250～300mm, and vertical spacing is 400～500mm；
Described horizontal distribution reinforcing bar (6) adopts HRB335 level or HRB400 level reinforcing bar；When antidetonation earthquake intensity is not more than 7 degree, horizontal distribution bar diameter is 6mm～8mm, spacing 400～500mm；When antidetonation earthquake intensity is more than 7 degree and when being not more than 8 degree, horizontal distribution bar diameter is 12mm～14mm, spacing 400～500mm；
Described sleeper (7) longitudinal reinforcement adopts HRB335 level or HRB400 level reinforcing bar, and diameter is 12mm～14mm；Stirrup diameter is 8mm～10mm, stirrup spacing 150mm；
Concrete (5) in L-shaped reinforced concrete frame post (1) is normal concrete or regeneration concrete；If regeneration concrete, replacing with coarse aggregate Replacement rate for standard, Replacement rate is less than 30%；
It is characterized in that, manufacture method is as follows:
Step one: the framework of steel reinforcement of armored concrete sleeper (7) is inserted in foundation beam by size, builds foundation beam armored concrete；
Step 2: foundation beam upper surface is carried out copying measuring line, levelling foundation beam upper surface by house planar dimension, ejects double solid line by the thickness of ferro-cement plate (2)；
Step 3: ferro-cement plate (2) is carried out overlap joint brick work, ferro-cement plate (2) adopts high Polymer Mortar to bond, body of wall place ferro-cement plate (2) is holed simultaneously, add prefabricated connector (4)；
Step 4: in top layout horizontal distribution reinforcing bar (6) along high every skin ferro-cement plate (2) of wall, in the end of longitudinal and transverse wall by horizontal distribution reinforcing bar (6) colligation in the stirrup side middle of adjacent reinforced concrete sleeper (7), make to connect into entirety between armored concrete sleeper (7)；
Step 5: join L-shaped place at longitudinal cross wall, builds normal concrete or L-shaped reinforced concrete frame post (1) of regeneration concrete formation Covered with Angles silk screen Mortar Plates in the frame that ferro-cement plate (2) surrounds；Cast-in-place light foamed concrete in the cavity of body of wall ferro-cement plate (2), forms light foaming concrete body of wall (3).
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| CN104328877A (en) * | 2014-09-15 | 2015-02-04 | 马义和 | Construction method of 3D (Three-Dimensional) printing dry method-constructed inner and outer decorative heat-preservation structure |
| CN105133727A (en) * | 2015-09-02 | 2015-12-09 | 宋士儒 | Fabricated building and construction process thereof |
| CN106032706B (en) * | 2015-11-06 | 2018-01-09 | 广州容联建筑科技有限公司 | A kind of integral type pouring molding construction method of reinforced concrete shear wall |
| CN106049719B (en) * | 2015-11-06 | 2019-07-23 | 广州容联建筑科技有限公司 | A kind of self-balancing monoblock type template assembly structure of reinforced concrete shear wall |
| CN106522408A (en) * | 2016-11-25 | 2017-03-22 | 哈尔滨鸿盛房屋节能体系研发中心 | Assembly type cast-in-place concrete frame thermal-insulating wall component |
| CN108331374B (en) * | 2018-01-24 | 2021-03-19 | 河海大学 | Steel-ice combined structure field scientific investigation room and assembling method thereof |
| GB2574406B (en) * | 2018-06-04 | 2020-07-08 | Pbp Berlani Holding Ltd | Improvements in or relating to building structures |
| CN109944358B (en) * | 2019-04-04 | 2024-05-03 | 河南绿建建筑科技有限公司 | L-shaped node of stirrup bent anchor type steel concrete combined pipe |
| CN114439127A (en) * | 2022-02-24 | 2022-05-06 | 经纬建材有限公司 | Novel cast-in-place wall enclosure structure and construction method thereof |
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Effective date of registration: 20210118 Address after: 100124 No. 100 Chaoyang District Ping Tian Park, Beijing Patentee after: Beijing University of Technology Patentee after: HEBEI HUIYUAN BUILDING MATERIAL Co.,Ltd. Address before: 100124 No. 100 Chaoyang District Ping Tian Park, Beijing Patentee before: Beijing University of Technology |