CN1215116A - New technology for form-stripping free cast-in-situ thermal-insulated load-bearing wall - Google Patents
New technology for form-stripping free cast-in-situ thermal-insulated load-bearing wall Download PDFInfo
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- CN1215116A CN1215116A CN 97118991 CN97118991A CN1215116A CN 1215116 A CN1215116 A CN 1215116A CN 97118991 CN97118991 CN 97118991 CN 97118991 A CN97118991 A CN 97118991A CN 1215116 A CN1215116 A CN 1215116A
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Abstract
The present invention relates to a new technique for in-situ casting heat-insulating load-bearing wall system without need of stripping forms. It is characterized by that it substitutes traditional steel form by wire mesh frame with corrugated polystyrene sandwich panel to assemble the form in the construction site, and two forms are spaced at a certain distance by using spacer-frame, and the concrete is poured between them, and after the concrete is poured, it has no need of stripping forms, and the original form is made into the heat-insulating layer of the wall body, finally the heat-insulating layer surface is coated with cement mortar so as to form the finished wall body. Said invention is convenient for construction, and can save engineering cost.
Description
The present invention relates to a kind of new technology for form-stripping free cast-in-situ thermal-insulated load-bearing wall, belong to the novel building design, construction technology and building material technical field.
The bearing wall of China was to build by laying bricks or stones with loam brick in the past, from saving soil, environmental protection and the use of country's strict restriction loam brick is considered in aspect such as energy-conservation; Adopted multiple novel wall material and new job practices in the building design and construction at present, in-situ concrete wall is one of them, but existing cast-in-situ wall has many weak points, mainly is:
(1) cast template uses the pin-connected panel steel form in a large number, and this template self is heavy, and the assembly unit trouble needs dismounting after using, so that multiplexing, back and forth freight volume is big, time-consuming, the expense height.
(2) according to the building thermal-insulation energy-saving requirement, in-situ concrete wall does not reach the insulation requirement, also needs to add insulation layer at exterior wall surface, is generally polystyrene foam plastics, light materials such as rock wool, thus make working procedure many, the cycle is long.
(3) more existing light-duty composite wall body materials, as the metal clip central layer, steel wire net rack sandwiched plate etc., because the load that self can bear is less relatively, thereby having limited it uses as bearing wall, and the use in multistory building.
The existing a kind of light wall board of Italy, be to make with polyphenyl corrugated sheet and galvanized steel wire netting and straight cutting bar dowel, being used for main wall is a kind of double-deck wallboard, and making from factory is exactly doubling plate, the space of cast-in-situ concrete is left in the centre, but in use, the preparation reinforcing bar is very inconvenient, and this can influence construction speed and quality, and the thickness in the middle of the concrete wall also is difficult to random change, influenced and adopted this plate design, when building the house, the flexibility of body of wall and reasonability.
The objective of the invention is at the problem of present domestic construction construction existence and the needs of construction wall reform, a kind of new technology for form-stripping free cast-in-situ thermal-insulated load-bearing wall is provided, adopt this new technology, can make the structure design of body of wall more flexible, rationally, it is easier to construct, and can save engineering cost.
Disclose content of the present invention as follows below in conjunction with Figure of description 1-5:
Steel wire net rack waveform polystyrene sandwiched plate of the present invention (1) (Fig. 2-3) is a template, keeps the interval of certain distance between the two-layer template with space-stop rack (6), and this has determined cast-in-situ steel reinforced concrete (7) thickness at interval; The body of wall basis is the plane of concrete pouring, looks thickness of wall body on the plane and gives the row of footing the bill or double bar dowel; Build vertical benchmark facade earlier with scaffold tubes or special-purpose falsework desiring to build the body of wall inboard, facade is formed by the transverse tube of interval 350-450mm parallel to each other, inner side template is abutted on the benchmark facade erect, and tie up fixing with the fine-structure mesh silk; According to the structure stress requirement, the reinforcing bar of concrete batching body of wall (5) buries bar dowel and is connected with giving, between two templates, on upright good inner side template, plant at a certain distance one row space-stop rack (6), be close to space-stop rack (6) and erect outboard template, constitute double template, edge-on steel pipe cross bar outside outboard template, the position is corresponding with the cross bar position of benchmark facade frame, passing template with steel wire ties up inside and outside cross bar firmly, vertically pass two-layer template at cross bar interval center line every 200-250mm and insert short steel wire (9), short steel wire (9) two ends curve hook, hook the outside gauze wire cloth (3) of inside and outside two-layer template, like this, make the interior outside two templates form an integral body; The template practice of building construction post is to make the flute profile template with steel wire net rack waveform sandwiched plate, in the basis of constructional column, give and bury bar dowel, prepare the constructional column reinforcing bar again, bury bar dowel and be connected with giving, the flute profile template is stood on the basis, tie up with wall form at eight jiao of place with right angle grid gauze wire cloth and be connected into integral body; The method of building door, the shutoff of window opening oral-lateral face is to place polystyrene board at opening part, and the outside fastens with the flute profile grid, ties up with bimodulus plate both sides gauze wire cloths (3) to be connected; Concrete material cast with good fluidity, the general high body of wall of 3m is poured into a mould at twice, for the first time from the cast of window opening mouth lower edge bimodulus plate opening part, for the second time from the cast of wall top bimodulus plate opening part, after concrete to be cast (7) solidifies fully, the cross bar of clamping template can be removed, at body of wall top pouring collar tie beam, mounting rail and floor are last again, smear anticracking cement mortar (8) in the spray of the both sides of two-layer gauze wire cloth waveform polystyrene sandwiched plate, form complete body of wall (Fig. 1).
The structure of steel wire net rack waveform polystyrene sandwiched plate of the present invention (the applicant has applied for utility model patent simultaneously) is referring to Fig. 2-3, with the waveform polystyrene foam plastics is core (1), the gauze wire cloth of both sides (3) is staggered, staggered distance is 1/2 of a waveform polystyrene sandwiched plate wavelength, distance is pitch P between the two gauze wire cloth nodes (4), equate with wavelength value, be connected by oblique cutting bar dowel (2) between the gauze wire cloth of both sides, bar dowel (2) two is welded on the node (4) of both sides gauze wire cloth correspondence, the short steel wire direction of each node (4) oblique cutting is identical on transverse wire of a side gauze wire cloth, and lacking steel wire direction difference from each node (4) oblique cutting of adjacent two transverse wire, both are ∧ font staggered (Fig. 3) in the space.
The used space-stop rack of the present invention (6) is to fold the triangular prism shaped support that is welded into the grid gauze wire cloth, the pillar that is reached perpendicular to triangle projective planum by triangle projective planum parallel more than two constitutes, support one side has the long pin of 30-50mm, can insert in the side waveform polystyrene sandwiched plate and locate, the distance of the both ends of the surface of this space-stop rack (6), determined the distance between two templates, be the thickness of fluid concrete, body of wall after the cast, two sides waveform sandwiched plate all has a gauze wire cloth to bond in concrete, be combined as a whole with middle concrete (7) body of wall, form external thermal insulation in the body of wall.
Advantage of the present invention and effect are as follows:
1, present technique replaces traditional steel form with double-layer wire rack waveform sandwiched plate, need not roll over mould, reduced engineering cost, and can be used as the interior external thermal insulation of body of wall, can avoid heat bridge, reduce energy consumption, spray is smeared behind the mortar with 8cm concrete wall core is example, thermal transmittance is 0.78, is a kind of fabulous thermal insulation structure method.
2, sandwiched plate uses flexibly when construction, structure and wall size are unrestricted, can make arbitrary shape by the building requirement, leave a door unlocked as giving, body of wall of window opening mouth, constructional column, collar tie beam etc., splicing rapidly at the construction field (site), also be easy to make various curved surfaces, to adapt to the construction needs of different buildings, because template is assembled at the scene, be easy at template intermediate configurations reinforcing bar, and fluid concrete thickness can change arbitrarily, the fixed double template size that has overcome external employing is difficult for changing, limit structural size and the shortcoming that is difficult to arrangement of reinforcement.
3, double template forms an integral body with layer of concrete after cast, becomes interior external thermal insulation, when this insulation layer is constructed in the winter time, can improve the insulated curing condition of cast-in-situ concrete.
4, the body of wall that forms with this new technology, because curb pins central layer and cast-in-situ concrete layer form an integral body, both sides are smeared cement mortar and are strengthened the body of wall section again, thereby improved bending resistance and whole anti-seismic performance, be used for low-rise building under the condition that constructional column and collar tie beam are set, body of wall can make full use of the steel wire net rack of sandwiched plate and not need to prepare reinforcing bar, because of its construction costs reaches general brick mix structure level, easy construction also can use in multistory building, meets national wall and changes energy saving policy.
5, the tier building fire protection requirement is satisfied in this kind body of wall fire endurance＞2 hour.
Description of drawings:
The form-stripping free cast-in-situ thermal-insulated bearing wall of Fig. 1;
Fig. 2 steel wire net rack waveform polystyrene central layer stereogram;
Fig. 3 steel wire net rack waveform polystyrene sandwiched plate sectional view;
Fig. 4 space-stop rack schematic perspective view;
Fig. 5 is that template construct constructional column and body of wall are in conjunction with figure with steel wire net rack waveform polystyrene sandwiched plate.
Below in conjunction with Figure of description 1-5 embodiments of the present invention are described:
1, adopting steel wire net rack waveform polystyrene sandwiched plate is template (Fig. 2-3), and the size and dimension of template requires to give the type of making according to the building position, pieces together tower at the scene.
2, the body of wall basis is the plane with concrete pouring, give the row of footing the bill or double bar dowel on the plane, position with the restriction template, for guaranteeing the verticality and the planar smoothness of body of wall, build vertical benchmark facade in the body of wall inboard with scaffold tubes or special-purpose falsework elder generation tower, the transverse tube form of facade about by interval 400mm parallel to each other erect inner side template, abut on the benchmark facade, and tie up fixing with finer wire.
3, according to the structure stress requirement, the reinforcing bar of concrete batching body of wall, on upright good inner side template, plant space-stop rack (shape is seen Fig. 4).
4, upright outboard template abuts on the space-stop rack it, constitutes double template.
5, at double template outside placing steel tubes cross bar, the position is corresponding with the cross bar position of benchmark facade frame, with steel wire inside and outside cross bar is tied up the jail.
6, cross bar at interval midline pass two-layer template and insert short steel wire, two ends crotch every 200-250mm, hook two-layer template outside gauze wire cloth, more than two be and make two plates form an integral body, make it when fluid concrete, under outside tension effect, unlikely generation large deformation.
7, the constructional column practice: make the flute profile template with steel wire net rack waveform sandwiched plate, tie up with wall form around the corner with the right angle grid and to be connected into integral body, on the basis, give the reinforcing bar of preparation constructional column earlier, interior pouring concrete, smear mortar outward, the band constructional column the body of wall (see figure 5).
8, select the Cracking of High Flowing Concrete cast for use, the general high body of wall of 3m can divide 2 cast, two plate opening part cast from window opening mouth lower edge for the first time, the 2nd two plate opening part cast from the wall top, after concrete to be cast solidifies fully, the cross bar of clamping template can be removed.
9, beam slab is installed: behind the body of wall castable, at body of wall top pouring collar tie beam, mounting rail and floor then.
10, surface of wall is plastered: the body of wall two sides waveform sandwiched plate after the cast all has a gauze wire cloth to bond in concrete, is combined as a whole with body of wall, forms external thermal insulation in the body of wall, in the end, in two outsides of corrugated sheet, the anticracking cement mortar is smeared in spray, forms complete body of wall.
Claims (3)
1, a kind of new technology for form-stripping free cast-in-situ thermal-insulated load-bearing wall, it is characterized in that: with steel wire net rack waveform polystyrene sandwiched plate (1) is template, keep the interval of certain distance between the two-layer template with space-stop rack (6), this has determined cast-in-situ steel reinforced concrete (7) thickness at interval; The body of wall basis is the plane of concrete pouring, gives the row of footing the bill or double bar dowel; Build vertical benchmark facade earlier with scaffold tubes or special-purpose falsework desiring to build the body of wall inboard, facade is formed by the transverse tube of interval 350-450mm parallel to each other, inner side template abutted on the benchmark facade erect, according to the structure stress requirement, the reinforcing bar of concrete batching body of wall (5) buries bar dowel and is connected with giving, between two templates, on upright good inner side template, plant at a certain distance one row space-stop rack (6), be close to space-stop rack (6) and erect outboard template, constitute double template, edge-on steel pipe cross bar outside outboard template, the position is corresponding with the cross bar position of benchmark facade frame, passes template with steel wire inside and outside cross bar is tied up firmly, vertically passes two-layer template at cross bar interval center line every 200-250mm and inserts short steel wire (9), short steel wire (9) two ends curve hook, hook the outside gauze wire cloth (3) of inside and outside two-layer template, like this, the outside two templates form an integral body in making; The template practice of building construction post is to make the flute profile template with steel wire net rack waveform sandwiched plate, gives the reinforcing bar of buried column in the basis of constructional column, and the flute profile template is stood on the basis, ties up with wall form around the corner with right angle grid gauze wire cloth and is connected into integral body; The method of building door, the shutoff of window opening oral-lateral face is to place polystyrene board at opening part, and the outside fastens with the flute profile grid, ties up with bimodulus plate both sides gauze wire cloths (3) to be connected; After the template assembly of body of wall is taken and is assembled, middle cast Cracking of High Flowing Concrete (7), the general high body of wall of 3m is poured into a mould at twice, from the cast of window opening mouth lower edge bimodulus plate opening part, pours into a mould from wall top bimodulus plate opening part for the second time for the first time, after concrete to be cast (7) solidifies fully, the cross bar of clamping template can be removed, at body of wall top pouring collar tie beam, mounting rail and floor again, at last, smear anticracking cement mortar (8) in the spray of the both sides of two-layer steel wire net rack waveform polystyrene sandwiched plate.
2, new technology for form-stripping free cast-in-situ thermal-insulated load-bearing wall according to claim 1, the waveform polystyrene foam plastics that is configured to that it is characterized in that described steel wire net rack waveform polystyrene sandwiched plate is core (1), the gauze wire cloth of both sides (3) is staggered, staggered distance is 1/2 of a waveform polystyrene sandwiched plate wavelength, distance is pitch P between the two gauze wire cloth nodes (4), equate with the glass long value, be connected by oblique cutting bar dowel (2) between the gauze wire cloth of both sides, bar dowel (2) two is welded on the node (4) of both sides gauze wire cloth correspondence, short steel wire direction by each node of transverse wire of a side gauze wire cloth (4) oblique cutting is identical, and lacking steel wire direction difference from each node (4) oblique cutting of adjacent two transverse wire, both are the ∧ font in the space staggered.
3, new technology for form-stripping free cast-in-situ thermal-insulated load-bearing wall according to claim 2, it is characterized in that described space-stop rack (6) is to fold the triangular prism shaped support that is welded into gauze wire cloth, the pillar that is reached perpendicular to triangle projective planum by triangle projective planum parallel more than two constitutes, and support one side has the long pin of 30-50mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97118991 CN1079475C (en) | 1997-10-17 | 1997-10-17 | New technology for form-stripping free cast-in-situ thermal-insulated load-bearing wall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97118991 CN1079475C (en) | 1997-10-17 | 1997-10-17 | New technology for form-stripping free cast-in-situ thermal-insulated load-bearing wall |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1215116A true CN1215116A (en) | 1999-04-28 |
| CN1079475C CN1079475C (en) | 2002-02-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 97118991 Expired - Fee Related CN1079475C (en) | 1997-10-17 | 1997-10-17 | New technology for form-stripping free cast-in-situ thermal-insulated load-bearing wall |
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| Country | Link |
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| CN (1) | CN1079475C (en) |
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| CN100396863C (en) * | 2005-04-04 | 2008-06-25 | 朱秦江 | Composite heat insulation concrete wall and its construction method |
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| CN100396863C (en) * | 2005-04-04 | 2008-06-25 | 朱秦江 | Composite heat insulation concrete wall and its construction method |
| CN102587502A (en) * | 2011-01-16 | 2012-07-18 | 杨怀君 | Self-modeling and self-heat preservation building |
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|---|---|
| CN1079475C (en) | 2002-02-20 |
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