CN108612233A - A kind of cast-in-place fair-faced concrete wall construction method - Google Patents
A kind of cast-in-place fair-faced concrete wall construction method Download PDFInfo
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- CN108612233A CN108612233A CN201810289005.9A CN201810289005A CN108612233A CN 108612233 A CN108612233 A CN 108612233A CN 201810289005 A CN201810289005 A CN 201810289005A CN 108612233 A CN108612233 A CN 108612233A
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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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- Engineering & Computer Science (AREA)
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Abstract
The present invention provides a kind of cast-in-place fair-faced concrete wall construction methods,It is included in ground and delimit construction area,Prepare wall skeleton,Prepare polylith wall form,Lift wall form,Prepare clear-water concrete,Remove all sundries in wall skeleton and wall form,Joints cement mortar,Clear-water concrete is poured into wall skeleton several times,Vibrate clear-water concrete,Conserve cast-in-place fair-faced concrete wall,The step of removing protective materials,Technical solution using the present invention,Wall form is made of several shaped girder steels and punching clod wash C-type steel,Panel has high-flatness,A large amount of screw rod through walls is used simultaneously,Greatly strengthen the structural strength of existing wall form support system,The flatness for pouring wall both sides has been effectively ensured,Compared with prior art,It is easy for installation with wall form,It is good to pour wall quality,It is at low cost,Save raw material,Shorten the construction time,The advantages that reducing environmental pollution.
Description
Technical field
The invention belongs to construction engineering technical field more particularly to a kind of cast-in-place fair-faced concrete wall construction sides
Method.
Background technology
In recent years, with the development of building construction technology, under the support energetically of national policy, various novel building materials
Material, building structural element put into batch production with application extensively, have won social favorable comment, have achieved preferable economic value.
In building masonry wall construction operation, the wall body structure of reinforcing bar and concreting is generally used, fast with construction operation speed,
Efficient, the advantages that wall body structure intensity is good, still, due to largely using normal concrete, when construction operation easy to produce compared with
More dust causes the pollution to environment, and complaints are heard everywhere by the resident for causing in the neighboring area of construction site, in order to alleviate this office
Face, building enterprise start gradually to use environment-friendly type building material, clear-water concrete to be one of which, refer to that surface color is basic
Unanimously, using the natural texture of concrete itself, pass through the split bolt for the regular arrangement that well-designed, well construction is formed
Eyelet, artificial eye, outseam, cicada stitch the concrete works as finishing effect.It is simple and unadorned, naturally sedate that clear-water concrete has
Appearance charm, it is inherent it is thick and heavy with it is elegant to be some modern architecture materials can not imitate and match in excellence or beauty, clear-water concrete
It is qualified green concrete.With the continuous improvement of people's environmental consciousness, the natural thought recovered one's original simplicity is rooted in the hearts of the people,
Green building has become the trend of future development, and fair-faced concrete is more and more applied in construction projects.It is existing
Have in technology, if still building bare concrete wall using traditional construction technology, be easy to cause surface of wall inclination, wall
There are bubbles in vivo, cause wall quality to decline, affect the service life of wall.
Invention content
In order to solve the above technical problems, the present invention provides a kind of cast-in-place fair-faced concrete wall construction methods.
The present invention is achieved by the following technical programs.
The present invention provides a kind of cast-in-place fair-faced concrete wall construction method, the cast-in-place fair-faced concrete wall
Body construction method includes the following steps：
Step 1：Delimit construction area：According to construction drawing, closed annulus wheel profile is marked on the ground as construction
Region；
Step 2：Prepare wall skeleton：Several are laid in the construction area described in step 1 is erected in the vertical of ground
Reinforcing bar arranges several transverse steels further along horizontal direction, and vertical reinforcement and transverse steel are intersected combination using binding silk
Place's binding together, makes vertical reinforcement, transverse steel connect composition wall skeleton with binding silk；
Step 3：Prepare polylith wall form：Prepare at least two pieces of rectangular panels, along panel length direction on panel
According to a determining deviation install side by side several vertical time it is stupefied, further along panel width direction at vertical time it is stupefied on according to a determining deviation
Be arranged in juxtaposition several lateral back cords, weld vertical time it is stupefied intersects junction with lateral back cord, make panel, vertically secondary stupefied and lateral
Back cord, which links together, forms wall form；
Step 4：Lift wall form：It is erected to arrangement after the wall form prepared described in step 3 is sling respectively
The both sides of the wall skeleton described in step 2 make the panel be close to together in the wall skeleton two sides relative to each other,
It reuses screw rod through walls the wall form of the wall skeleton and both sides links together；
Step 5：Prepare clear-water concrete：Suitable cement, stone, sand, water, admixture, additive are put into blender
After inside stirring evenly mixing, clear-water concrete is made；
Step 6：Remove sundries：Remove all sundries in the wall skeleton and wall form；
Step 7：Joints cement mortar：The cement mortar that suitable thickness is poured into the wall skeleton, in the wall
Skeleton bottom obtains cement sand bed；
Step 8：Pour clear-water concrete：By the pouring exposed concrete prepared described in step 5 to the wall bone
In frame, pouring layer is obtained in the wall skeleton；
Step 9：Vibrate clear-water concrete：It is vibrated, is discharged described clear to pouring layer described in step 8 using vibrating spear
Bubble in water coagulation soil makes the closely knit combination of the clear-water concrete；
Step 10：Step 8 is repeated to step 9 several times, cement sand bed and all pouring layer is made to be superimposed
Height be consistent with the mark of construction drawing described in step 1, make cement sand bed and all pouring layer being superimposed with
The wall skeleton forms cast-in-place fair-faced concrete wall；
Step 11：Conserve cast-in-place fair-faced concrete wall：Cast-in-place fair-faced concrete described in removal step ten
The wall form of wall both sides coats the wall form and cast-in-place fair-faced concrete wall appearance using protective materials
Protective materials after so that the cast-in-place fair-faced concrete wall is conserved several days, then is removed in face.
Vertical stupefied use "Ji" type section steel beam described in step 3 is made.
Lateral back cord described in step 3 is made using punching clod wash C-type steel.
Vertical stupefied use nominal diameter described in step 3 links together not less than 16mm bolts with the panel.
Screw rod nominal diameter through walls described in step 4 is not less than 16mm.
The step of wall form is lifted described in step 4 is further comprising the steps of：
Step 1：It is set with PVC casings on the screw rod through walls, PVC casings is made to be arranged in the wall skeleton；
Step 2：In two end cap plug nylon stopper of the PVC casings；
Step 3：It jumps the queue between nylon stopper and the panel sponge sealing ring.
The step of wall form is lifted described in step 4 further includes close in two pieces of wall form junctions stickups of arbitrary neighborhood
Strip of paper used for sealing.
In step 9, the vibrating spear runs through at least one layer of pouring layer and stretches into the pouring layer adjacent with below the pouring layer
Interior 50mm to 100mm.
The step of cast-in-place fair-faced concrete wall is conserved in step 11 is further comprising the steps of：
Step 1：When constructing in winter, select polystyrene board, curing agent, plastic film and slow burning straw curtain as protection material
Polystyrene board is attached at the wall form outer surface by material before removing the wall form, is removing the wall mould
After plate, the coating plastic film after brushing curing agent on cast-in-place fair-faced concrete exterior surface of wall, then described cast-in-place
Fair-faced concrete wall outer side mounts slow burning straw curtain, and slow burning straw curtain is made to be covered on plastic film；
Step 2：In non-winter construction, selects plastic film, slow burning straw curtain as protective materials, removing the wall
After template, suitable quantity of water is sprayed to cast-in-place two side external surface of fair-faced concrete wall, it is existing to reuse plastic film cladding
Fair-faced concrete exterior surface of wall is poured, then slow burning straw curtain is mounted in the cast-in-place fair-faced concrete wall outer side, is made
Slow burning straw curtain is covered on plastic film.
In step 5, the admixture is one kind in silica flour, flyash, ground slag powder, natural zeolite powder.
The beneficial effects of the present invention are：Technical solution using the present invention, using several shaped girder steels and punching clod wash c-type
Novel wall formwork is made in steel, so that wall skeleton is tightly held with wall form by using a large amount of screw rod through walls and is connected to
Together, the structural strength of existing wall form support system is greatly strengthened, and panel is fitted closely with wall skeleton, effectively protected
The flatness for pouring wall side is demonstrate,proved, compared with prior art, wall form of the present invention is reasonable in design, easy for installation, wall
Body pouring construction quality obtains effective guarantee and control, by reasonably configuring the proportioning of each component in clear-water concrete, makes wall
Body surface face flat smooth, uniform color, texture pick the working procedures such as chisel repairing, plastering, architectural surface naturally, eliminating, and mitigate
Construction personnel's labor intensity and wall maintaining expense.Cast-in-place fair-faced concrete wall is without using coating, facing
Etc. chemical products, reduce a large amount of building wastes, eliminate construction of leveling blanket process, reduce the usage amount of mortar, save
Resource reduces the dust emission during construction operation, reduces construction operation noise, alleviates environmental pollution, achieves
Good social benefit.Meanwhile cast-in-place fair-faced concrete wall construction technique good integrity, seamless crack without hollowing,
Metope is set to be more advantageous to moisture-proof, antiseep, clear-water concrete is also cheap etc. with cost price compared to construction materials such as stone materials
Advantage.
Description of the drawings
Fig. 1 is the cast-in-place fair-faced concrete wall construction method flow diagram of the present invention；
Fig. 2 is the structural schematic diagram of wall form of the present invention；
Fig. 3 is wall form of the present invention and wall skeleton attachment structure schematic diagram；
Fig. 4 is the structural schematic diagram of doors and windows template of the present invention；
Fig. 5 is the scheme of installation of doors and windows template of the present invention.
In figure：1- transverse direction back cords, 2- panels, vertical stupefied, 4- screw rod through walls of 3-, 5- foam seal pads, 6-PVC casings,
7- nylon stoppers, 8- doors and windows templates.
Specific implementation mode
Be described further below technical scheme of the present invention, but claimed range be not limited to it is described.
As shown in figure 1, figure 2, figure 3, figure 4 and figure 5, the present invention provides a kind of cast-in-place fair-faced concrete wall construction side
Method includes the following steps：
Step 1：Delimit construction area：According to construction drawing, closed annulus wheel profile is marked on the ground as construction
Region；
Step 2：Prepare wall skeleton：Several are laid in the construction area described in step 1 is erected in the vertical of ground
Reinforcing bar arranges several transverse steels further along horizontal direction, and vertical reinforcement and transverse steel are intersected combination using binding silk
Place's binding together, makes vertical reinforcement, transverse steel connect composition wall skeleton with binding silk；
Step 3：Prepare polylith wall form：Prepare at least two pieces of rectangular panels, along panel length direction on panel
According to a determining deviation install side by side several vertical time it is stupefied, further along panel width direction at vertical time it is stupefied on according to a determining deviation
Be arranged in juxtaposition several lateral back cords, weld vertical time it is stupefied intersects junction with lateral back cord, make panel, vertically secondary stupefied and lateral
Back cord, which links together, forms wall form；Further, described vertical time stupefied use "Ji" type section steel beam is made.The cross
It is made to back cord using punching clod wash C-type steel.Described vertical time it is stupefied using nominal diameter not less than 16mm bolts and the panel
It links together.The panel is the overlay film multi-layer board or PPR macromolecule plates that thickness is 18mm.Described any adjacent two is vertical
It is secondary it is stupefied between be smaller than 200mm.
Step 4：Lift wall form：It is erected to arrangement after the wall form prepared described in step 3 is sling respectively
The both sides of the wall skeleton described in step 2 make the panel be close to together in the wall skeleton two sides relative to each other,
It reuses screw rod through walls the wall form of the wall skeleton and both sides links together；Further, the screw rod through walls
Nominal diameter is not less than 16mm.The step of lifting wall form, is further comprising the steps of：
Step 1：It is set with PVC casings on the screw rod through walls, PVC casings is made to be arranged in the wall skeleton；
Step 2：In two end cap plug nylon stopper of the PVC casings；
Step 3：It jumps the queue between nylon stopper and the panel sponge sealing ring.
The step of lifting wall form further includes in two pieces of wall form junction adhesive seal items of arbitrary neighborhood.
Step 5：Prepare clear-water concrete：Suitable cement, stone, sand, water, admixture, additive are put into blender
After inside stirring evenly mixing, clear-water concrete is made；Further, the admixture be silica flour, flyash, ground slag powder,
One kind in natural zeolite powder.
Step 6：Remove sundries：Remove all sundries in the wall skeleton and wall form；
Step 7：Joints cement mortar：The cement mortar that suitable thickness is poured into the wall skeleton, in the wall
Skeleton bottom obtains cement sand bed；In step 7, the thickness of the cement sand bed is 30mm to 50mm.
Step 8：Pour clear-water concrete：By the pouring exposed concrete prepared described in step 5 to the wall bone
In frame, pouring layer is obtained in the wall skeleton；
Step 9：Vibrate clear-water concrete：It is vibrated, is discharged described clear to pouring layer described in step 8 using vibrating spear
Bubble in water coagulation soil makes the closely knit combination of the clear-water concrete；Further, every layer described in step 8 to step 9
The thickness of pouring layer is 400mm to 500mm.In step 9, the vibrating spear runs through at least one layer of pouring layer and stretches into be poured with this
Build 50mm to 100mm in pouring layer adjacent below layer.In step 9, vibrate time of clear-water concrete of the single is 20s
To 30s.
Step 10：Step 8 is repeated to step 9 several times, cement sand bed and all pouring layer is made to be superimposed
Height be consistent with the mark of construction drawing described in step 1, make cement sand bed and all pouring layer being superimposed with
The wall skeleton forms cast-in-place fair-faced concrete wall；
Step 11：Conserve cast-in-place fair-faced concrete wall：Cast-in-place fair-faced concrete described in removal step ten
The wall form of wall both sides coats the wall form and cast-in-place fair-faced concrete wall appearance using protective materials
Protective materials after so that the cast-in-place fair-faced concrete wall is conserved several days, then is removed in face.
Further, the step of maintenance cast-in-place fair-faced concrete wall is further comprising the steps of：
Step 1：When constructing in winter, select polystyrene board, curing agent, plastic film and slow burning straw curtain as protection material
Polystyrene board is attached at the wall form outer surface by material before removing the wall form, is removing the wall mould
After plate, the coating plastic film after brushing curing agent on cast-in-place fair-faced concrete exterior surface of wall, then described cast-in-place
Fair-faced concrete wall outer side mounts slow burning straw curtain, and slow burning straw curtain is made to be covered on plastic film；
Step 2：In non-winter construction, selects plastic film, slow burning straw curtain as protective materials, removing the wall
After template, suitable quantity of water is sprayed to cast-in-place two side external surface of fair-faced concrete wall, it is existing to reuse plastic film cladding
Fair-faced concrete exterior surface of wall is poured, then slow burning straw curtain is mounted in the cast-in-place fair-faced concrete wall outer side, is made
Slow burning straw curtain is covered on plastic film.
Further, in the step of maintenance cast-in-place fair-faced concrete wall, when constructing in winter, curing time
Not less than 14 days, in non-winter construction, curing time was not less than 7.
Further, the cast-in-place fair-faced concrete wall construction method is further comprising the steps of：
Step 1：The wall skeleton for preparing further includes arranging several limit steel bars along horizontal direction, uses limit steel
Muscle, around door window frame is formed, makes door window frame position be consistent with construction drawing with vertical reinforcement, transverse steel.
Step 2：Prepare doors and windows template：Prepare that several door window sides are stupefied and door and window side panel, door window side is stupefied around being formed
After annular frame structure and weld together, be fixedly installed in the outer wall and inner wall of the frame structure with making the covering of door and window side panel
Upper composition doors and windows template, and keep doors and windows template shape, size corresponding with being marked on construction drawing；
Step 3：The step of lifting wall form further includes using several screw rods through walls along door window frame edge
The wall form of door window frame and both sides is linked together；
Step 4：Described the step of pouring clear-water concrete further includes equably being poured respectively along door window frame both sides clearly
Water coagulation soil；
Step 5：It is described vibrate clear-water concrete the step of further include respectively while vibrating along door window frame two sides.
Novel wall formwork is made using several shaped girder steels and punching clod wash C-type steel in technical solution using the present invention, leads to
Cross makes wall skeleton be tightly held with wall form using a large amount of screw rod through walls links together, greatly strengthens existing wall
The structural strength of body formwork bracing system, and panel is fitted closely with wall skeleton, has been effectively ensured and has been poured the flat of wall side
Whole degree, compared with prior art, wall form of the present invention are reasonable in design, easy for installation, and wall pouring construction quality is had
Effect ensures and control, by reasonably configuring the proportioning of each component in clear-water concrete, keeps surface of wall flat smooth, color and luster equal
Even, texture picks the working procedures such as chisel repairing, plastering, architectural surface naturally, eliminating, and alleviates construction personnel's labor intensity and wall
Body maintaining expense.Cast-in-place fair-faced concrete wall reduces and largely builds without using chemical products such as coating, facings
Building refuse eliminates construction of leveling blanket process, reduces the usage amount of mortar, has saved resource, reduces construction operation process
In dust emission, reduce construction operation noise, alleviate environmental pollution, achieve good social benefit.Meanwhile it is cast-in-place
Fair-faced concrete wall construction technique good integrity, seamless crack without hollowing, and metope is made to be more advantageous to moisture-proof, antiseepage
Leakage, clear-water concrete also have the advantages such as cost price is cheap compared to construction materials such as stone materials.
Claims (10)
1. a kind of cast-in-place fair-faced concrete wall construction method, it is characterised in that：Include the following steps：
Step 1：Delimit construction area：According to construction drawing, closed annulus wheel profile is marked on the ground as construction area
Domain；
Step 2：Prepare wall skeleton：Several vertical reinforcements for being erected in ground are laid in the construction area described in step 1,
Several transverse steels are arranged further along horizontal direction, and vertical reinforcement is intersected junction with transverse steel using binding silk binds
Together, vertical reinforcement, transverse steel is made to connect composition wall skeleton with binding silk；
Step 3：Prepare polylith wall form：Prepare at least two pieces of rectangular panels, along panel length direction on panel according to
One determining deviation install side by side several vertical time it is stupefied, further along panel width direction at vertical time it is stupefied on it is arranged side by side according to a determining deviation
Arrange several lateral back cords, weld vertical time it is stupefied intersects junction with lateral back cord, make panel, vertically secondary stupefied and lateral back cord
Link together composition wall form；
Step 4：Lift wall form：It is erected to after the wall form prepared described in step 3 is sling respectively and is arranged in step
The both sides of rapid two wall skeleton make the panel be close to together in the wall skeleton two sides relative to each other, then make
The wall form of the wall skeleton and both sides is linked together with screw rod through walls；
Step 5：Prepare clear-water concrete：It will be stirred in suitable cement, stone, sand, water, admixture, additive input blender
It mixes after evenly mixing, clear-water concrete is made；
Step 6：Remove sundries：Remove all sundries in the wall skeleton and wall form；
Step 7：Joints cement mortar：The cement mortar that suitable thickness is poured into the wall skeleton, in the wall skeleton
Bottom obtains cement sand bed；
Step 8：Pour clear-water concrete：By in the pouring exposed concrete prepared described in step 5 to the wall skeleton,
Pouring layer is obtained in the wall skeleton；
Step 9：Vibrate clear-water concrete：It is vibrated to pouring layer described in step 8 using vibrating spear, it is mixed that the clear water is discharged
Bubble in solidifying soil, makes the closely knit combination of the clear-water concrete；
Step 10：Step 8 is repeated to step 9 several times, the height for making cement sand bed and all pouring layer be superimposed
Degree be consistent with the mark of construction drawing described in step 1, make cement sand bed and all pouring layer being superimposed with it is described
Wall skeleton forms cast-in-place fair-faced concrete wall；
Step 11：Conserve cast-in-place fair-faced concrete wall：Cast-in-place fair-faced concrete wall described in removal step ten
The wall form of both sides coats the wall form and cast-in-place fair-faced concrete exterior surface of wall using protective materials, makes
After the cast-in-place fair-faced concrete wall conserves several days, then remove protective materials.
2. cast-in-place fair-faced concrete wall construction method as described in claim 1, it is characterised in that：It is erected described in step 3
It is made to secondary stupefied use "Ji" type section steel beam.
3. cast-in-place fair-faced concrete wall construction method as described in claim 1, it is characterised in that：It is horizontal described in step 3
It is made to back cord using punching clod wash C-type steel.
4. cast-in-place fair-faced concrete wall construction method as described in claim 1, it is characterised in that：It is erected described in step 3
It links together to secondary stupefied use nominal diameter with the panel not less than 16mm bolts.
5. cast-in-place fair-faced concrete wall construction method as described in claim 1, it is characterised in that：It is worn described in step 4
Wall screw rod nominal diameter is not less than 16mm.
6. cast-in-place fair-faced concrete wall construction method as claimed in claim 3, it is characterised in that：It is hung described in step 4
The step of filling wall form is further comprising the steps of：
Step 1：It is set with PVC casings on the screw rod through walls, PVC casings is made to be arranged in the wall skeleton；
Step 2：In two end cap plug nylon stopper of the PVC casings；
Step 3：It jumps the queue between nylon stopper and the panel sponge sealing ring.
7. cast-in-place fair-faced concrete wall construction method as described in claim 1, it is characterised in that：It is hung described in step 4
The step of filling wall form further includes in two pieces of wall form junction adhesive seal items of arbitrary neighborhood.
8. cast-in-place fair-faced concrete wall construction method as described in claim 1, it is characterised in that：In step 9, institute
Vibrating spear is stated to run through at least one layer of pouring layer and stretch into 50mm to 100mm in the pouring layer adjacent with below the pouring layer.
9. cast-in-place fair-faced concrete wall construction method as described in claim 1, it is characterised in that：It is supported in step 11
The step of protecting cast-in-place fair-faced concrete wall is further comprising the steps of：
Step 1：When constructing in winter, select polystyrene board, curing agent, plastic film and slow burning straw curtain as protective materials,
Polystyrene board is attached at the wall form outer surface before removing the wall form, is removing the wall form
Afterwards, the coating plastic film after brushing curing agent on cast-in-place fair-faced concrete exterior surface of wall, then in the cast-in-place decorations
Surface dry concrete wall outer side mounts slow burning straw curtain, and slow burning straw curtain is made to be covered on plastic film；
Step 2：In non-winter construction, selects plastic film, slow burning straw curtain as protective materials, removing the wall form
Afterwards, suitable quantity of water is sprayed to cast-in-place two side external surface of fair-faced concrete wall, reuses plastic film and coats cast-in-place decorations
Surface dry concrete exterior surface of wall, then slow burning straw curtain is mounted in the cast-in-place fair-faced concrete wall outer side, make fire-retardant
Straw screen or mat is covered on plastic film.
10. cast-in-place fair-faced concrete wall construction method as described in claim 1, it is characterised in that：In step 5, institute
It is one kind in silica flour, flyash, ground slag powder, natural zeolite powder to state admixture.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810289005.9A CN108612233B (en) | 2018-04-03 | 2018-04-03 | Construction method of cast-in-situ facing clear concrete wall |
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| CN201810289005.9A CN108612233B (en) | 2018-04-03 | 2018-04-03 | Construction method of cast-in-situ facing clear concrete wall |
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| CN108612233B CN108612233B (en) | 2020-05-05 |
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| CN113585553A (en) * | 2021-07-27 | 2021-11-02 | 格林堡绿色建设科技有限公司 | EPS (expandable polystyrene) disassembly-free heat-insulation wall formwork framework with fireproof isolation belt and construction method |
| CN114150871A (en) * | 2021-09-26 | 2022-03-08 | 中建三局集团有限公司 | Construction method of overlong cast-in-place facing clear water concrete decorative thin wall |
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