CN103290946A - Equal-lifetime self-insulation exterior wall and beam column structure, and construction method thereof - Google Patents
Equal-lifetime self-insulation exterior wall and beam column structure, and construction method thereof Download PDFInfo
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Abstract
The invention relates to an equal-lifetime self-insulation exterior wall and beam column structure, and a construction method thereof and belongs to the technical field of building energy conservation. The equal-lifetime self-insulation exterior wall and beam column structure comprising a frame-embedded wall is characterized in that the wall comprises an outer insulation layer (101), an outer bearing layer (102), a central layer (103) and an inner bearing layer (104) sequentially from outside to inside; the outer bearing layer (102), the central layer (103) and the inner bearing layer (104) are located on the upper portion of a frame beam (105); an interface between the outer insulation layer (101) and the outer bearing layer (102) is level to the outer surface of the frame beam (105) and the outer surface of a frame column (105); the outer insulation layer (101) projects out of the frame beam (105), and the outer surface of the outer insulation layer (101) is level to the outer surface of an insulation plate (107) added to the frame beam (105) and the frame column (108). The equal-lifetime self-insulation exterior wall and beam column structure has the advantages that the exterior wall is large in heat resistance, the target of saving energy by 65% is satisfied, the wall is large in bending resistance, the stress structure is reasonable, and the equal-lifetime self-insulation exterior wall and beam column structure is convenient to construct and equal in lifetime.
Description
Technical field
Structure and job practices thereof with phase in longevity, self-heat conserving external wall and beam column belong to the energy-saving building technology field, are specifically related to structure and the job practices of a kind of exterior wall and beam column.
Background technology
In the energy saving building technical field, the exterior wall of house space enclosing structure extensively adopts Autoclaved aerated concrete blocks, reaches the building block of 4MPa exterior wall compressive strength index, and heat-proof quality is lower, realizes meeting energy-conservation 65% target of national building construction, and gap is obvious.Usually set up organic insulated foam coating measure, cement based member, building materials that these organic materials and lifetime are very long are compared, and useful life period is shorter, to constituting service life of building construction latent defect.
The wall system that the house of wall self-insulation system refers to adopt the Autoclaved aerated concrete blocks of low-density, high thermal resistance to form.Wall body construction has adopted the Autoclaved aerated concrete blocks of big thermal resistance, less density as the filling of static state.On vertical, the potential threat of the compressive strength that building block is very low by the beam column layering bear, risk can ignore.On the vertical wall direction, its very low compressive strength, extremely low tensile strength, when the horizontal seismic wave that bears vertical wall and external load, the drag deficiency, shock resistance is poor, and risk significantly exists.
Further analyze, in the outer-wall building of the self heat insulation wall structure, heat bridges such as beam, post adopt additional one deck (about 60mm) isolation layer measure at present, and the lateral surface of building block is projected into about the about 60mm in the outside of beam, the warming plate enabling capabilities that the beam lateral surface adds is very little, and Ying Yu ignores.The body of wall center of gravity to the outside displacement of beam about 30mm.The change that objectively can not be ignored has taken place in stress system, and present self heat insulation wall structure has reduced stability and the shock resistance in house, and the wall body structure of this self-heat conserving system exists tangible irrationality and potential danger.
Analyze from the function of the structure in house, the function of body of wall is " going along with sb. to guard him ", especially exterior wall.Desirable exterior wall should be: body of wall has enough big thermal resistance, satisfies the demand of energy conservation object; Body of wall rational in infrastructure, Load Transfer is reliable; The body of wall bending resistance is big, and shock resistance is strong, the tolerance height of use.Really play the effect of " fencing up " and " protecting well ".This is the problem that needs to be resolved hurrily.
The bottleneck of problem processing technology routine must solve; Producing in enormous quantities, cheaply becomes possibility, can make the technological progress of unreasonable wall body structure possess realistic foundation to have the cost performance of competitiveness.
Summary of the invention
The technical problem to be solved in the present invention is: overcome the deficiencies in the prior art, provide a kind of body of wall bending resistance big, the exterior wall overall thermal resistance satisfies energy-conservation 65% target requirement, and building block production difficulty is low, and cost does not have structure and the job practices thereof of exterior wall and the beam column of remarkable increase.
The technical solution adopted for the present invention to solve the technical problems is: this is with the structure of phase in longevity, self-heat conserving external wall and beam column, the body of wall that comprises the fill frame structure, it is characterized in that: described body of wall ecto-entad is formed by 4 layers, is followed successively by outer isolation layer, outer bearing layer, central core and interior bearing layer; Outer bearing layer, central core and interior bearing layer are seated in Vierendeel girder top; The interface of outer isolation layer, outer bearing layer is concordant with the external surface of Vierendeel girder and frame column; Outer isolation layer is projected into the outside of Vierendeel girder, and warming plate external surface additional on its external surface and Vierendeel girder and the frame column is concordant.
Described body of wall forms with the concrete block masonry of steam-pressing aero-concrete material, and the building block of same walls has should body of wall required size and the outer isolation layer of material, outer bearing layer, central core and interior bearing layer; All building blocks of walls be through subregion build, links such as precuring, cutting, steam press maintenance produce, density, intensity, the thickness of similar layer are identical.
Preferably, described outer isolation layer and central core are the steam-pressing aero-concrete of density of the same race, and density range is 200KG/M
3～400 KG/M
3
Preferably, described outer bearing layer and interior bearing layer are the steam-pressing aero-concrete of density of the same race, and density range is 600KG/M
3～1200 KG/M
3
Preferably, gain in weight in the slurry of described outer bearing layer and interior bearing layer than being 0.05%～5%, length is in the dispersion shape filamentary fibers of 0.2mm～2mm.
The block end faces of described steam-pressing aero-concrete material can preset steel tie, and steel tie is that flat sheet is rectangular.
Described steel tie dipping cement cream slurry again after doing preservative treatment, and utilize positioning fixture to insert the building block idiosome.
Job practices with the structure of phase in longevity, self-heat conserving external wall and beam column is characterized in that: comprise the steps:
1, according to thickness, intensity and the density of the building block arrangement mode of exterior wall load character, size and specifications of engineering construction, outer-wall building, the outer isolation layer of construction technology deviation setting exterior wall building block, outer bearing layer, central core and interior bearing layer, designs the shape and size key element that presets steel tie in the building block;
2, according to above-mentioned requirement of strength, determine density and the wet end furnish of the steam-cured gas concrete that each layer of exterior wall adopts, calculate by the thermal technology, check thermal technology's index of exterior wall;
3, make idiosome cutting planning according to idiosome size, idiosome mould and the cutting power of steam-pressing aero-concrete production line, the planning that whole idiosome is implemented cutting is: the arrangement of outer isolation layer, outer bearing layer, central core, interior bearing layer is classified in first of cutting as, second classifies the combination of interior bearing layer, central core, outer bearing layer, outer isolation layer as, the 3rd classifies the arrangement of outer isolation layer, outer bearing layer, central core, interior bearing layer as, the 4th classifies the arrangement of interior bearing layer, central core, outer bearing layer, outer isolation layer as, and the rest may be inferred by analogy for it;
The cutting and separating line is: the centre of bearing layer in bearing layer and the 4th is listed as in the centre of the outer isolation layer of centre, secondary series of bearing layer and the interior bearing layer of secondary series and the outer isolation layer of the 3rd row, the 3rd row in first row, and the like;
4, the mould of making steam-pressing aero-concrete heterogeneous body member according to the mould subregion is isolated, and two kinds of slurries are built respectively, remove barrier assembly then, carry out idiosome maintenance, cutting and steam press maintenance, finishes the manufacturing of outer wall member and builds by laying bricks or stones.
Compared with prior art, the beneficial effect that has of the present invention is:
1, the body of wall out-shift of gravity center significantly reduces, and importantly, the bearing layer of body of wall all is seated on the Vierendeel girder, and Load Transfer is reasonable.Solved the irrational defective of existing self heat insulation wall structure stress, the shock resistance in house is significantly improved;
2, the material of outer wall member is settled rationally, is a kind of similar equicohesive structure, and exterior wall bears the moment of flexure of horizontal seismic wave, horizontal loading formation, the top layer of exterior wall, and tension and compression stress is big; Inside and outside bearing layer density is big, intensity is high, is deployed to the outside of exterior wall, and the central core stress of exterior wall is little, adopts low-density, low-intensity, and the structure bearing load is reasonable; The central core of exterior wall adopts low-density, thermal resistance big, mainly bears heat insulation task, makes the entire thermal resistance of exterior wall reach the needs of energy-saving index;
3, each of wall body construction layer is cement-based material, similar with the main building material, the phase in longevity is identical, genus is with the building structure of phase in longevity, further, the additional insulation layer density of the blocking-up heat bridge of outer isolation layer and frame column beam approaches, shrinkage factor approaches, the temperature gradient of outside vertical surface of building and interior the inside, difference between the zone such as wall, beam column diminishes, building structure is under the temperature alternating condition, the thermal deformation difference of beam column and body of wall reduces, and is conducive to the raising that building is resisted the temperature alternating ability, and the phase in longevity prolongs;
4, with the job practices of the structure of phase in longevity, self-heat conserving external wall and beam column, fully base oneself upon existing production basis, original process equipment and technological equipment universal succession, only increased barrier assembly and the enhancement Layer slurry is built, it is not high to transform input, simple and feasible, consider the extensive and huge of problem involvement aspect, thereby have huge economic technology value.
Description of drawings
Fig. 1 is that this is with the structure front view of phase in longevity, self-heat conserving external wall and beam column.
Fig. 2 is the A-A sectional view of Fig. 1.
Fig. 3 is the B-B sectional view of Fig. 1.
Fig. 4 is building block cutting schematic diagram.
Wherein: 101, outer isolation layer 102, outer bearing layer 103, central core 104, interior bearing layer 105, Vierendeel girder 106, floor 107, warming plate 108, frame column.
The specific embodiment
Fig. 1 ~ 4th, most preferred embodiment of the present invention, the present invention will be further described below in conjunction with accompanying drawing 1 ~ 4.
Embodiment 1
With the structure of phase in longevity, self-heat conserving external wall and beam column, comprise the body of wall of fill frame structure, the body of wall ecto-entad is formed by 4 layers, is followed successively by outer isolation layer 101, outer bearing layer 102, central core 103 and interior bearing layer 104; Outer bearing layer 102, central core 103 and interior bearing layer 104 are seated in Vierendeel girder 105 tops; The interface of outer isolation layer 101, outer bearing layer 102 is concordant with the external surface of Vierendeel girder 105 and frame column 108; Outer isolation layer 101 is projected into the outside of Vierendeel girder 105, and warming plate 107 external surfaces additional on its external surface and Vierendeel girder 105 and the frame column 108 are concordant.
Body of wall forms with the concrete block masonry of steam-pressing aero-concrete material, and the building block of same walls has should the body of wall required size and outer isolation layer 101, outer bearing layer 102, central core 103 and the interior bearing layer 104 of material; All building blocks of walls be through subregion build, links such as precuring, cutting, steam press maintenance produce, density, intensity, the thickness of similar layer are identical.
Thickness of wall body 300mm, outer isolation layer 101 thickness 60mm, central core 103 thickness 150mm, employing density is 300KG/M
3The steam-pressing aero-concrete slurry of density is cultivated and is formed; Outer bearing layer 102 thickness 60mm, interior bearing layer 104 thickness 30mm adopt 800KG/M
3The steam-pressing aero-concrete slurry of density is cultivated and is formed, and gains in weight in the slurry of outer bearing layer 102 and interior bearing layer 104 than being 0.05%～5%, and length is in the dispersion shape filamentary fibers of 0.2mm～2mm.How much interfaces of outer isolation layer 101 and outer bearing layer 102 are concordant with the external surface of Vierendeel girder 105, and the external surface of the additional warming plate 107 that adheres on the external surface of outer isolation layer 101 and Vierendeel girder 105, the frame column 108 is concordant; Form the regular surface of outside vertical surface of building.
The outer bearing layer 102 of body of wall, central core 103, interior bearing layer 104 are seated on the end face of Vierendeel girder 105, rely closely with frame column 108.
Block end faces presets steel tie, and steel tie is that flat sheet is rectangular, steel tie dipping cement cream slurry again after doing preservative treatment, and utilize positioning fixture to insert the building block idiosome.
Embodiment 2
At severe cold area, external wall energy-saving need have higher thermal resistance, and outer isolation layer 101, outer bearing layer 102, central core 103 and interior bearing layer 104 thickness are respectively 80mm, 60mm, 190mm, 30mm, and all the other settings are identical with embodiment 1.
Embodiment 3
In the earthquake area that takes place frequently, 8 grades of the earthquake magnitudes of providing fortification against earthquakes, the building that degree of splitting is 9 grades, outer isolation layer 101, outer bearing layer 102, central core 103 and interior bearing layer 104 thickness are 50mm, 60mm, 140mm, 50mm respectively; The density of outer bearing layer 102 and interior bearing layer 104 is 950KG/M
3, build cement consumption increase by 5% in the match ratio, all the other settings are identical with embodiment 1.
Job practices with the structure of phase in longevity, self-heat conserving external wall and beam column comprises the steps:
1, according to thickness, intensity and the density of outer isolation layer 101, outer bearing layer 102, central core 103 and the interior bearing layer 104 of the building block arrangement mode of exterior wall load character, size and specifications of engineering construction, outer-wall building, construction technology deviation setting exterior wall building block, the shape and size key element that presets steel tie in the design building block;
2, according to above-mentioned requirement of strength, determine density and the wet end furnish of the steam-cured gas concrete that each layer of exterior wall adopts, calculate by the thermal technology, check thermal technology's index of exterior wall;
3, make idiosome cutting planning according to idiosome size, idiosome mould and the cutting power of steam-pressing aero-concrete production line.
As shown in Figure 4: the planning that whole idiosome is implemented cutting is: the arrangement of outer isolation layer 101, outer bearing layer 102, central core 103, interior bearing layer 104 is classified in first of cutting as, second classifies the combination of interior bearing layer 104, central core 103, outer bearing layer 102, outer isolation layer 101 as, the 3rd classifies the arrangement of outer isolation layer 101, outer bearing layer 102, central core 103, interior bearing layer 104 as, the 4th classifies the arrangement of interior bearing layer 104, central core 103, outer bearing layer 102, outer isolation layer 101 as, and the rest may be inferred by analogy for it;
The cutting and separating line, shown in dotted line in the accompanying drawing 4, the cutting and separating line is followed successively by from left to right, the centre of bearing layer 104 in bearing layer 104 and the 4th is listed as in the centre of the outer isolation layer 101 of centre, secondary series of bearing layer 104 and the interior bearing layer 104 of secondary series and the outer isolation layer 101 of the 3rd row, the 3rd row in first row, and the like.
4, the mould of making steam-pressing aero-concrete heterogeneous body member according to the mould subregion is isolated, and two kinds of slurries are built respectively, remove barrier assembly then, carry out idiosome maintenance, cutting and steam press maintenance, finishes the manufacturing of outer wall member and builds by laying bricks or stones.
The job practices of above-mentioned exterior wall is built by laying bricks or stones the standard except observing a usual practice, and in building by laying bricks or stones, adjacent respective layer of building building block between the layer by laying bricks or stones should align.
The reinforcement construction of building layer by laying bricks or stones that needs the end to strengthen comprises the steps:
1, according to the installation position that presets steel tie or opening ironware of the exterior wall building block of designing requirement, with the presetting the reinforcing bar welding or peg graft of beam column;
2, the interface of the outer isolation layer 101 of body of wall bottom building block, outer bearing layer 102 and Vierendeel girder 105 and concordant the building by laying bricks or stones of frame column 108 external surfaces;
3, the butt joint of exterior wall building block before the butt joint, connects the lath-shaped that scribbles cement cream in the opening of reinforcing bar insertion opening ironware, can finish the reinforcement that end face connects between adjacent block;
4, lath-shaped can be connected reinforcing bar and be welded on Vierendeel girder 105 and the frame column 108, coat high strength cement cream, will have the building block of opening ironware, be plugged into lath-shaped and connect on the muscle.
The above only is preferred embodiment of the present invention, is not to be the restriction of the present invention being made other form, and any those skilled in the art may utilize the technology contents of above-mentioned announcement to be changed or be modified as the equivalent embodiment of equivalent variations.But every technical solution of the present invention content that do not break away to any simple modification, equivalent variations and remodeling that above embodiment does, still belongs to the protection domain of technical solution of the present invention according to technical spirit of the present invention.
Claims (8)
1. with the structure of phase in longevity, self-heat conserving external wall and beam column, the body of wall that comprises the fill frame structure, it is characterized in that: described body of wall ecto-entad is formed by 4 layers, is followed successively by outer isolation layer (101), outer bearing layer (102), central core (103) and interior bearing layer (104); Outer bearing layer (102), central core (103) and interior bearing layer (104) are seated in Vierendeel girder (105) top; The interface of outer isolation layer (101), outer bearing layer (102) is concordant with the external surface of Vierendeel girder (105) and frame column (108); Outer isolation layer (101) is projected into the outside of Vierendeel girder (105), and its external surface is concordant with warming plate (107) external surface that Vierendeel girder (105) and frame column (108) upward add.
2. the structure with phase in longevity, self-heat conserving external wall and beam column according to claim 1, it is characterized in that: described body of wall forms with the concrete block masonry of steam-pressing aero-concrete material, and the building block of same walls has should body of wall required size and the outer isolation layer (101) of material, outer bearing layer (102), central core (103) and interior bearing layer (104); All building blocks of walls be through subregion build, links such as precuring, cutting, steam press maintenance produce, density, intensity, the thickness of similar layer are identical.
3. the structure with phase in longevity, self-heat conserving external wall and beam column according to claim 1, it is characterized in that: described outer isolation layer (101) and central core (103) are the steam-pressing aero-concrete of density of the same race, and density range is 200KG/M
3～400 KG/M
3
4. the structure with phase in longevity, self-heat conserving external wall and beam column according to claim 1, it is characterized in that: described outer bearing layer (102) and interior bearing layer (104) are the steam-pressing aero-concrete of density of the same race, and density range is 600KG/M
3～1200 KG/M
3
5. according to claim 1 or 4 described structures with phase in longevity, self-heat conserving external wall and beam column, it is characterized in that: gain in weight in the slurry of described outer bearing layer (102) and interior bearing layer (104) than being 0.05%～5%, length is in the dispersion shape filamentary fibers of 0.2mm～2mm.
6. the structure with phase in longevity, self-heat conserving external wall and beam column according to claim 2, it is characterized in that: the block end faces of described steam-pressing aero-concrete material can preset steel tie, and steel tie is that flat sheet is rectangular.
7. the structure with phase in longevity, self-heat conserving external wall and beam column according to claim 6 is characterized in that: described steel tie dipping cement cream slurry again after doing preservative treatment, and utilize positioning fixture to insert the building block idiosome.
8. with the job practices of the structure of phase in longevity, self-heat conserving external wall and beam column, it is characterized in that: comprise the steps:
8.1, thickness, intensity and the density of the building block arrangement mode according to exterior wall load character, size and specifications of engineering construction, outer-wall building, the outer isolation layer (101) of construction technology deviation setting exterior wall building block, outer bearing layer (102), central core (103) and interior bearing layer (104), the shape and size key element that presets steel tie in the design building block;
8.2, according to above-mentioned requirement of strength, determine density and the wet end furnish of the steam-cured gas concrete that each layer of exterior wall adopts, calculate by the thermal technology, check thermal technology's index of exterior wall;
8.3, idiosome size according to the steam-pressing aero-concrete production line, idiosome mould and cutting power are made idiosome cutting planning, the planning that whole idiosome is implemented cutting is: outer isolation layer (101) is classified in first of cutting as, outer bearing layer (102), central core (103), the arrangement of interior bearing layer (104), second classifies interior bearing layer (104) as, central core (103), outer bearing layer (102), the combination of outer isolation layer (101), the 3rd classifies outer isolation layer (101) as, outer bearing layer (102), central core (103), the arrangement of interior bearing layer (104), the 4th classifies interior bearing layer (104) as, central core (103), outer bearing layer (102), the arrangement of outer isolation layer (101), the rest may be inferred by analogy for it;
The cutting and separating line is: the centre of bearing layer (104) in bearing layer (104) and the 4th is listed as in the centre of the outer isolation layer (101) of centre, secondary series of bearing layer (104) and the interior bearing layer (104) of secondary series and the 3rd outer isolation layers of row (101), the 3rd row in first row, and the like;
8.4, the mould of making steam-pressing aero-concrete heterogeneous body member according to the mould subregion isolates, two kinds of slurries are built respectively, remove barrier assembly then, carry out idiosome maintenance, cutting and steam press maintenance, finish the manufacturing of outer wall member and build by laying bricks or stones.
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Cited By (1)
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