CN105804292A - Environment-friendly and energy-saving integrated cast-in-situ lightweight concrete wall and construction method thereof - Google Patents
Environment-friendly and energy-saving integrated cast-in-situ lightweight concrete wall and construction method thereof Download PDFInfo
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- CN105804292A CN105804292A CN201610286893.XA CN201610286893A CN105804292A CN 105804292 A CN105804292 A CN 105804292A CN 201610286893 A CN201610286893 A CN 201610286893A CN 105804292 A CN105804292 A CN 105804292A
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
- E04B2/84—Walls made by casting, pouring, or tamping in situ
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Abstract
The invention discloses an environment-friendly and energy-saving integrated cast-in-situ lightweight concrete wall and a construction method thereof. The wall comprises a wall body made from formwork cast-in-situ lightweight concrete, and tie bars. The tie bars are arranged on structure columns at the two ends of the wall body and located on a structure beam on the top of the wall body and anchored in the wall body. Wire boxes and pipelines are embedded into the wall body. Holes and door and window holes are reserved in the wall body. The cast-in-situ process is adopted, construction is convenient and rapid, the flatness of the wall obtained after formwork removal is high, plastering is not needed, rendering is avoided, and building rubbish is reduced. The wall is high in strength and capable of being suspended, bolts can be directly embedded, the problems that formwork collapse is caused by too high lateral pressure during vertical pouring of foam concrete, and layering non-uniformity is generated due to sedimentation are solved, one-time pouring can be achieved for the wall with the vertical height of 3-4 m, the whole construction process is shorted by almost half compared with the brick laying construction period, construction efficiency is improved, engineering management cost is reduced, the rate of return on investment is increased, and good economic benefits and social benefits are achieved for enterprises.
Description
Technical field
The present invention relates to a kind of light energy conservation body of wall, particularly to a kind of green energy conservation integration cast-in-place light concrete wall, further relate to the construction method of this body of wall.
Background technology
Since entering new century, materials for wall is reformed one of important content being classified as building energy conservation by governments at all levels of China.For the body of wall of building, except requiring it to have certain mechanical property, also require that it has the performances such as excellent insulation, heat insulation, sound insulation, waterproof, fire prevention.During construction body of wall, according to masonry way, human cost is high, and efficiency of construction is low, and along with the soaring year by year propelling with mechanized construction of labor cost, the demand being not suitable with current architectural development is built at scene by laying bricks or stones；According to the mode of prefabricated panel, the advantage of its mechanized construction cannot be embodied in the assembling of indoor, and cutting easily produces building waste, and easily produces dead angle at pipe well, turning, the inferior position of beam.
After the slowly development that experienced by last 100 years, lightweight concrete has welcome the New Times of high speed development.Lightweight concrete has mobility height, gather materials consumption less, light weight, insulation, fire prevention, sound insulation, antidetonation, durable, safety and Health, the excellent properties such as energy-conserving and environment-protective, be the energy saving and environment friendly self-heat conserving cladding given priority to now.The states such as the U.S., Britain, Holland, Canada, Japan, Korea S are all fully recognized that the superperformance of lightweight concrete, its application in architectural engineering are constantly expanded.Lightweight concrete is great technological break-through for cast-in-situ wall, in the problem fundamentally solving building heat preservation, sound insulation, lightweight, environmental protection, safety and industrialized production, is the important directions of building energy conservation.
In recent years, domestic many lightweight concrete enterprises have started to develop cast-in-place self-heat conserving external wall, load-bearing or non-bearing sound insulation interior wall etc., and have defined exploitation upsurge, and large quantities of application technologies are just in various places anxiety is researched and developed.Domestic at present occur in that a kind of cast-in-place light concrete self-insulating combined wall, it uses high-quality lightgage steel joist as framework, adopt fiber cement board pressure as clad can, cast lightweight concrete in the wall cavity that Os Draconis and fiber cement board pressure are formed, forms sandwiched light composite wall after hardening.But, owing to lightweight concrete self light weight is low by force so that this combined wall load-bearing stress is extremely limited, it is impossible to as bearing wall.Additionally.Cast lightweight concrete in the wall cavity that Os Draconis and fiber cement board pressure are formed, fiber cement board pressure uses as template, adhesion between lightweight concrete and template is not strong, causes peeling off between concrete and template forming space, has a strong impact on intensity and the hanging force etc. of body of wall.These defects all govern the further development of cast-in-place light concrete wall.
Summary of the invention
First purpose of the present invention is in that to provide a kind of construction convenient, can ensure that construction quality, improve efficiency of construction, reduce the green energy conservation integration cast-in-place light concrete wall of construction cost, it has heat-insulation and heat-preservation, fire prevention, sound insulation, flatness is good, exempt to plaster, hanging is strong, steel pipe buried in advance, the advantage that door and window such as reserves at the multifunctional all, can by commerical ready-mixed concrete company, template enterprise, hydropower installation, civil engineering and finishing enterprise etc. organically combine, the mechanization production construction and the water power civil engineering integration that achieve cast-in-place light body of wall produce, effectively promote green construction promote and implement building energy conservation.
Second purpose of the present invention is in that to provide the construction method of a kind of above-mentioned green energy conservation integration cast-in-place light concrete wall.
First purpose of the present invention is realized by following technical measures: a kind of green energy conservation integration cast-in-place light concrete wall, it is characterized in that: include the wall body and the tension rib that adopt template cast-in-place light concrete to make, described tension rib is provided on the structural column at wall body two ends and is positioned in the structural beams of wall bodies top, and it is anchored in wall body, at this internal line box and pipeline of being embedded with of described wall, and on wall body, it is reserved with hole and door-window opening.
The present invention has heat-insulation and heat-preservation, fire prevention, sound insulation, flatness is good, the advantage exempting to plaster, hang the multifunctional all such as strong, steel pipe buried in advance, door and window are reserved；The present invention adopts cast in place process, constructs convenient, form removal back wall flatness is high, without plaster, exempt to plaster, reduce building waste；Intensity height of the present invention, suspended, can directly imbed bolt, efficiently solve foam concrete and vertically build that lateral pressure is excessive and the mould that causes collapsing, because of the problem that sedimentation layering is uneven, the body of wall that vertical height is 3～4 meters can realize primary concreting, whole work progress relatively lay bricks the duration shorten nearly half, improve efficiency of construction, reduce engineering management cost, improve investment yield, make enterprise achieve good economic benefit and social benefit.
As a modification of the present invention, at described wall, this internal sets up the constructional column contour with wall body and reinforced mesh, described constructional column is spaced apart along the length direction of wall body, constructional column is provided with tension rib, described reinforced mesh is vertically provided between constructional column with structural column and between adjacent constructional column, reinforced mesh between constructional column with structural column is connected with the tension rib being arranged on structural column and constructional column, and the reinforced mesh between adjacent constructional column is connected with the tension rib being arranged on constructional column.
The present invention is switch enclosure, socket box, network cable box, telephone wire box and/or cable television box at this internal pre-buried line box of wall.It is electric wire, netting twine, telephone wire, water pipe, extinguishing pipe, cable television netting twine, air conditioning piping and/or smart machine pipeline at this internal pre-buried pipeline of wall.
The hole that the present invention reserves on wall body is air-conditioning equipment hole, fire protection pipeline hole, smart machine hole, water pipe hole and/or wire mesh string holes hole；The top of described door-window opening is provided with lintel.
Constructional column of the present invention is mortar post, concrete column or steel column, being smaller than or equal to 4m of adjacent formation post.
Lightweight concrete of the present invention is foam concrete or lightweight aggregate concrete, and intensity is more than or equal to 4.5MPa, and do not collapse in vertical height 4 meters mould.
Second purpose of the present invention is realized by following technical measures: the construction method of a kind of above-mentioned green energy conservation integration cast-in-place light concrete wall, it is characterised in that comprise the following steps:
(1) determine position the unwrapping wire of body of wall according to designing requirement, on the structural column of building body and structural beams arranges tension rib；
(2) the two ends of template are overlapped on structural column by support template, and the top of template is then overlapped in structural beams, and make tension rib extend in a template；
(3) repair the seam between bottom and the ground of the seam between the two ends of template and structural column and template, make seam not spillage, and without hydrops in template；
(4) use premixing mortar foaming at the construction field (site) to prepare lightweight concrete；
(5) lightweight concrete scene is stirred and is made and be poured in template；
(6) lightweight concrete is carried out natural curing, after reaching the curing time of regulation, form removal.
As a modification of the present invention, complete step (1) after, length direction interval along body of wall arranges constructional column, constructional column arranges tension rib, and vertically arranged reinforced mesh between constructional column with structural column and between adjacent constructional column, the reinforced mesh that will be located between constructional column with structural column is connected with the tension rib being arranged on structural column and constructional column, and the reinforced mesh that will be located between adjacent constructional column is connected with the tension rib being arranged on constructional column, proceeds to step (2).
As a modification of the present invention, reserving hole and door-window opening on reinforced mesh, after reinforced mesh of having constructed, built-in line box and pipeline, proceed to step (2).
The present invention has implementation below: described line box is switch enclosure, socket box, network cable box, telephone wire box and/or cable television box, is invested on template inner surface by described line box；Described pipeline is electric wire, netting twine, telephone wire, water pipe, extinguishing pipe, cable television netting twine, air conditioning piping and/or smart machine pipeline, is fixed on reinforced mesh by described pipeline.Described hole is air-conditioning equipment hole, fire protection pipeline hole, smart machine hole, water pipe hole and/or wire mesh string holes hole, and hole is by plastic tube, iron pipe or cement pipe pre-embedding；Stiffener is set, in erection of doors and windows position embedded iron parts, ironware dowel and stiffener colligation in door-window opening surrounding；At the top of door-window opening, lintel is set.
Template support flatness of the present invention and the error of perpendicularity are ± 2～± 5mm.
Compared with prior art, the present invention has following significant effect:
(1) the present invention adopts cast in place process, construct convenient, form removal back wall flatness is high, without plaster, exempt to plaster, reduce building waste, have heat-insulation and heat-preservation, fire prevention, sound insulation, flatness is good, the advantage exempting to plaster, hang the multifunctional all such as strong, steel pipe buried in advance, door and window are reserved, the present invention is by pre-buried in advance to pipeline and line box, and reserving hole and door-window opening, reduces fluting and punches；Intensity height of the present invention, suspended, can directly imbed bolt, efficiently solve foam concrete and vertically build that lateral pressure is excessive and the mould that causes collapsing, because of the problem that sedimentation layering is uneven.
(2) the present invention can realize primary concreting for the body of wall of vertical height 3～4 meters, and whole work progress duration of relatively laying bricks shortens nearly half, improve efficiency of construction, reduce engineering management cost, improve investment yield, make enterprise achieve good economic benefit and social benefit.
(3) the present invention is by built-in line box, pipeline and reserving hole, door and window, and adopt the mechanized constructions such as mortar premixing, in situ preparation lightweight concrete and pumping, ensure construction quality, construct convenient, it is achieved that the construction of the mechanization production of cast-in-place light body of wall and water power civil engineering integration produce.
(4) commerical ready-mixed concrete company, template enterprise, hydropower installation, civil engineering and finishing enterprise etc. can be organically combined by the present invention, effectively facilitate green construction promote and implement building energy conservation, bring good economic benefit and social benefit for enterprise, in many aspects such as energy-saving and environmental protection, green and raising construction engineering qualities, all there is highly important economy and social meaning.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
Fig. 1 is one of structural representation of green energy conservation integration cast-in-place light concrete wall of the present invention；
Fig. 2 is the two of the structural representation of green energy conservation integration cast-in-place light concrete wall of the present invention；
Fig. 3 is line A-A profile along Fig. 2.
Detailed description of the invention
nullAs shown in Figures 1 to 3，It it is one green energy conservation integration cast-in-place light concrete wall of the present invention，Including the wall body 10 adopting template cast-in-place light concrete to make、Reinforced mesh 3、Constructional column 2 and tension rib (not shown in FIG.)，Tension rib is provided on the structural column 1 at wall body 10 two ends and is positioned in the structural beams at wall body 10 top，Constructional column 2 and reinforced mesh 3 are positioned at wall body 10，Constructional column 2 and reinforced mesh 3 are contour with wall body，Constructional column 2 is spaced apart along the length direction of wall body，It is provided with a constructional column 2 in the present embodiment，Constructional column 2 is provided with tension rib (not shown in FIG.)，Reinforced mesh 3 is vertically provided between constructional column 2 and structural column 1，When constructional column 2 is two or more，Reinforced mesh 3 is additionally arranged between adjacent constructional column 2，Wherein，Reinforced mesh 3 between constructional column 2 with structural column 1 is connected with the tension rib being arranged on structural column 1 and constructional column 2，Reinforced mesh 3 between adjacent constructional column 2 is connected with the tension rib being arranged on constructional column 2.
Pre-buried wired box 8 and pipeline 9 in wall body 10, line box 8 is switch enclosure, socket box, network cable box, telephone wire box and/or cable television box.Pipeline 9 is electric wire, netting twine, telephone wire, water pipe, extinguishing pipe, cable television netting twine, air conditioning piping and/or smart machine pipeline.
Being reserved with hole and door-window opening on wall body, such as square preformed hole 6 and circular preformed hole 7, hole is air-conditioning equipment hole, fire protection pipeline hole, smart machine hole, water pipe hole and/or wire mesh string holes hole.Door-window opening is door opening 4 and window opening 5, and the top of door-window opening is provided with lintel.
Constructional column 2 is mortar post, concrete column or steel column, being smaller than or equal to 4m of adjacent formation post 2.Lightweight concrete 10 is foam concrete or lightweight aggregate concrete, and intensity is more than or equal to 4.5MPa, and do not collapse in vertical height 4 meters mould.
The construction method of a kind of above-mentioned green energy conservation integration cast-in-place light concrete wall, comprises the following steps:
(1) position the unwrapping wire of body of wall is determined according to designing requirement, on the structural column 1 of building body and arrange tension rib in structural beams, namely using the structural beams of major structure of construction, structural column as the strong point, tension rib diameter is not less than 6mm, spacing is not more than 500mm, anchors into length and is not less than 200mm；
When wall clear height is more than 3m, reinforced concrete structural column should be set in lightweight concrete longitudinal cross wall junction and partition wall corner, or when lightweight concrete body of wall length is more than 5m, reinforced concrete structural column should be set, constructional column setting space is not more than 5m, and the strength grade of concrete of reinforced concrete structural column is not less than C15.When wall clear height is less than 3m, lightweight concrete longitudinal cross wall junction and partition wall corner can arrange sleeper, and sleeper intensity is with lightweight concrete intensity.
Length direction interval along wall body 10 arranges constructional column 2, constructional column 2 arranges tension rib, and vertically arranged reinforced mesh 3 between constructional column 2 with structural column 1 and between adjacent constructional column 2, the reinforced mesh 3 that will be located between constructional column 2 with structural column 1 is connected with the tension rib being arranged on structural column 1 and constructional column 2, and the reinforced mesh 3 that will be located between adjacent constructional column 2 is connected with the tension rib being arranged on constructional column 2.
On reinforced mesh 3, the diameter of reinforcing bar is not less than 10mm, and the grid of reinforced mesh 3 presses rectangular arrangement, and the bar spacing of reinforced mesh 3 is not more than 300mm, and reinforced mesh 3 is positioned in the middle of template 11, together with reinforced mesh 3 is passed through tension rib colligation with constructional column 2.
Reserving hole and door-window opening on reinforced mesh 3, after reinforced mesh 3 of having constructed, built-in line box 8 and pipeline 9.Line box 8 is switch enclosure, socket box, network cable box, telephone wire box and/or cable television box, is invested on the inner surface of template 11 by line box 8.Pipeline 9 is electric wire, netting twine, telephone wire, water pipe, extinguishing pipe, cable television netting twine, air conditioning piping and/or smart machine pipeline, is fixed on reinforced mesh 3 by pipeline 9.
Hole is air-conditioning equipment hole, fire protection pipeline hole, smart machine hole, water pipe hole and/or wire mesh string holes hole, and hole size is arranged according to designing requirement, and hole is by plastic tube, iron pipe or cement pipe pre-embedding.Hole such as slot 6 and circular port 7.
Door-window opening is door opening 4 and window opening 5, and the lightweight concrete in door-window opening surrounding sets stiffener within the walls, in erection of doors and windows position embedded iron parts, ironware dowel and stiffener colligation；When door-window opening top is less than structural beams, should setting reinforcing bar lintel, lintel shelving length on lightweight concrete wall cannot be less than 300mm.
(2) the two ends of template 11 are overlapped on structural column 1 by support template 11, and the top of template 11 is then overlapped in structural beams, and make tension rib extend in template 11.The supporting flatness of template 11 and the error of perpendicularity are ± 2～± 5mm；Template 11 is aluminum alloy pattern plate, plastic formwork or plank sheathing；
(3) repair the seam between seam and bottom and the ground of template 11 between two ends and the structural column 1 of template 11, seam between bottom and the ground of template 11 adopts fast hard mortar to repair, and the seam between the two ends of template 11 and structural column 1 adopts foamed glue to repair, make seam not spillage, and without hydrops in template；
(4) using premixing mortar foaming at the construction field (site) to prepare lightweight concrete, specifically adopt the premixing mortar that concrete mixing plant or mortar premixing station provide, within 28 days, intensity is not less than 30MPa.Scene utilizes automatization's foam device to prepare the adjustable controlled lightweight concrete of unit weight；
(5) lightweight concrete scene is stirred and is made and be poured in template 11；By pumping equipment by having fluidity pumping good, easy, the lightweight concrete of high-strength cracking resistance is cast in the middle of template 11；Pumping equipment is mortar pump, concrete pump or piston pump.Lightweight concrete intensity is not less than 4.5MPa, and do not collapse in vertical height 4 meters mould.
(6) lightweight concrete is carried out natural curing, natural curing no less than 3 days, form removal 11.
Embodiments of the present invention are not limited to this; foregoing according to the present invention; ordinary technical knowledge and customary means according to this area; without departing under the above-mentioned basic fundamental thought premise of the present invention; the present invention can also make the amendment of other various ways, replacement or change, all falls within rights protection scope of the present invention.
Claims (10)
1. a green energy conservation integration cast-in-place light concrete wall, it is characterized in that: include the wall body and the tension rib that adopt template cast-in-place light concrete to make, described tension rib is provided on the structural column at wall body two ends and is positioned in the structural beams of wall bodies top, and it is anchored in wall body, at this internal line box and pipeline of being embedded with of described wall, and wall body is reserved with hole and door-window opening.
2. green energy conservation integration cast-in-place light concrete wall according to claim 1, it is characterized in that: at described wall, this internal sets up the constructional column contour with wall body and reinforced mesh, described constructional column is spaced apart along the length direction of wall body, constructional column is provided with tension rib, described reinforced mesh is vertically provided between constructional column with structural column and between adjacent constructional column, reinforced mesh between constructional column with structural column is connected with the tension rib being arranged on structural column and constructional column, reinforced mesh between adjacent constructional column is connected with the tension rib being arranged on constructional column.
3. green energy conservation integration cast-in-place light concrete wall according to claim 2, it is characterised in that: it is switch enclosure, socket box, network cable box, telephone wire box and/or cable television box at this internal pre-buried line box of wall；It is electric wire, netting twine, telephone wire, water pipe, extinguishing pipe, cable television netting twine, air conditioning piping and/or smart machine pipeline at this internal pre-buried pipeline of wall.
4. green energy conservation integration cast-in-place light concrete wall according to claim 3, it is characterised in that: hole reserved on wall body is air-conditioning equipment hole, fire protection pipeline hole, smart machine hole, water pipe hole and/or wire mesh string holes hole；The top of described door-window opening is provided with lintel.
5. green energy conservation integration cast-in-place light concrete wall according to claim 4, it is characterised in that: described constructional column is mortar post, concrete column or steel column, being smaller than or equal to 4m of adjacent formation post；Described lightweight concrete is foam concrete or lightweight aggregate concrete, and intensity is more than or equal to 4.5MPa.
6. the construction method of the green energy conservation integration cast-in-place light concrete wall described in a claim 1, it is characterised in that comprise the following steps:
(1) determine position the unwrapping wire of body of wall according to designing requirement, on the structural column of building body and structural beams arranges tension rib；
(2) the two ends of template are overlapped on structural column by support template, and the top of template is then overlapped in structural beams, and make tension rib extend in template；
(3) repair the seam between bottom and the ground of the seam between the two ends of template and structural column and template, make seam not spillage, and without hydrops in template；
(4) use premixing mortar foaming at the construction field (site) to prepare lightweight concrete；
(5) lightweight concrete scene is stirred and is made and be poured in template；
(6) lightweight concrete is carried out natural curing, after reaching the curing time of regulation, form removal.
7. construction method according to claim 6, it is characterized in that: complete step (1) after, length direction interval along body of wall arranges constructional column, constructional column arranges tension rib, and vertically arranged reinforced mesh between constructional column with structural column and between adjacent constructional column, the reinforced mesh that will be located between constructional column with structural column is connected with the tension rib being arranged on structural column and constructional column, the reinforced mesh that will be located between adjacent constructional column is connected with the tension rib being arranged on constructional column, proceeds to step (2).
8. construction method according to claim 7, it is characterised in that: reserving hole and door-window opening on reinforced mesh, after reinforced mesh of having constructed, built-in line box and pipeline, proceed to step (2).
9. construction method according to claim 8, it is characterised in that: described line box is switch enclosure, socket box, network cable box, telephone wire box and/or cable television box, is invested on the inner surface of template by described line box；Described pipeline is electric wire, netting twine, telephone wire, water pipe, extinguishing pipe, cable television netting twine, air conditioning piping and/or smart machine pipeline, is fixed on reinforced mesh by described pipeline；Described hole is air-conditioning equipment hole, fire protection pipeline hole, smart machine hole, water pipe hole and/or wire mesh string holes hole, and hole is by plastic tube, iron pipe or cement pipe pre-embedding；Stiffener is set, in erection of doors and windows position embedded iron parts, ironware dowel and stiffener colligation in door-window opening surrounding；At the top of door-window opening, lintel is set.
10. construction method according to claim 9, it is characterised in that: template support flatness and the error of perpendicularity are ± 2～± 5mm.
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| CN106592974A (en) * | 2016-10-14 | 2017-04-26 | 北京崇建工程有限公司 | Building external wall window masonry construction method |
| CN107586070A (en) * | 2017-09-05 | 2018-01-16 | 山东绿昱建筑科技有限公司 | A kind of lightweight aggregate partition wall and its construction technology |
| CN108086589A (en) * | 2016-11-23 | 2018-05-29 | 北京清华同衡规划设计研究院有限公司 | Precast wall body, prefabricated unit body, building system and its construction method |
| CN108130964A (en) * | 2018-01-22 | 2018-06-08 | 中交四航局港湾工程设计院有限公司 | A kind of construction method of assembled light concrete wall |
| CN108589959A (en) * | 2017-12-22 | 2018-09-28 | 思力佳特种环保材料（深圳）有限公司 | A kind of building non-load bearing wall cast-in-place method |
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| CN110078453A (en) * | 2019-03-29 | 2019-08-02 | 广东中正环保建材有限公司 | A kind of lightweight concrete and its preparation method and application |
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| CN111980061A (en) * | 2020-07-02 | 2020-11-24 | 中铁第四勘察设计院集团有限公司 | Subway station, side wall of adjacent-to-track area of equipment area of subway station and side wall construction method |
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