CN106958312A - A kind of non-dismantling formwork and its construction method - Google Patents
A kind of non-dismantling formwork and its construction method Download PDFInfo
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- CN106958312A CN106958312A CN201710341621.XA CN201710341621A CN106958312A CN 106958312 A CN106958312 A CN 106958312A CN 201710341621 A CN201710341621 A CN 201710341621A CN 106958312 A CN106958312 A CN 106958312A
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- dismantling formwork
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- tension member
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- 238000009415 formwork Methods 0.000 title claims abstract description 102
- 238000010276 construction Methods 0.000 title claims abstract description 30
- 239000000463 material Substances 0.000 claims abstract description 53
- 239000004567 concrete Substances 0.000 claims abstract description 29
- 239000002585 base Substances 0.000 claims abstract description 23
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 18
- 239000011449 brick Substances 0.000 claims abstract description 18
- 239000010959 steel Substances 0.000 claims abstract description 18
- 239000011083 cement mortar Substances 0.000 claims abstract description 17
- 230000002787 reinforcement Effects 0.000 claims abstract description 17
- 239000004744 fabric Substances 0.000 claims abstract description 9
- 239000003513 alkali Substances 0.000 claims abstract description 8
- 239000003365 glass fiber Substances 0.000 claims abstract description 8
- 239000002131 composite material Substances 0.000 claims abstract description 6
- 239000010881 fly ash Substances 0.000 claims description 30
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 28
- 239000004568 cement Substances 0.000 claims description 25
- 239000003795 chemical substances by application Substances 0.000 claims description 16
- 239000003638 chemical reducing agent Substances 0.000 claims description 15
- 239000004576 sand Substances 0.000 claims description 15
- 239000000843 powder Substances 0.000 claims description 13
- 239000004570 mortar (masonry) Substances 0.000 claims description 8
- 239000011159 matrix material Substances 0.000 claims description 6
- 239000002893 slag Substances 0.000 claims description 5
- 239000003245 coal Substances 0.000 claims 1
- 238000005266 casting Methods 0.000 abstract description 11
- 230000008901 benefit Effects 0.000 abstract description 6
- 230000015572 biosynthetic process Effects 0.000 abstract description 6
- 239000002994 raw material Substances 0.000 description 10
- 238000000034 method Methods 0.000 description 7
- 238000005520 cutting process Methods 0.000 description 6
- 238000002360 preparation method Methods 0.000 description 5
- 239000011347 resin Substances 0.000 description 4
- 229920005989 resin Polymers 0.000 description 4
- 238000005096 rolling process Methods 0.000 description 4
- 238000005056 compaction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000001746 injection moulding Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 238000010008 shearing Methods 0.000 description 3
- 239000003292 glue Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 108010000912 Egg Proteins Proteins 0.000 description 1
- 102000002322 Egg Proteins Human genes 0.000 description 1
- 239000011398 Portland cement Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 150000001875 compounds Chemical group 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 210000004681 ovum Anatomy 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 239000012779 reinforcing material Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- 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
- E04B2/86—Walls made by casting, pouring, or tamping in situ made in permanent forms
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
- C04B28/04—Portland cements
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Chemical & Material Sciences (AREA)
- Structural Engineering (AREA)
- Ceramic Engineering (AREA)
- Civil Engineering (AREA)
- Electromagnetism (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Working Measures On Existing Buildindgs (AREA)
Abstract
The invention provides a kind of non-dismantling formwork, for three-layer composite structure, intermediate layer is layers of reinforcement, remaining two layers is base material layer, base material layer includes cement mortar or pea gravel concreten, layers of reinforcement is alkali-resistant glass fibre net or steel fabric sheet, and with wall while building by laying bricks or stones when non-dismantling formwork is used to construct column template, self-assembling formation is used for the space of casting concrete；During for collar tie beam, non-dismantling formwork is built by laying bricks or stones on the basis of wall position or on the wall of certain altitude, the mould formed required for casting concrete, concrete need not be removed with non-dismantling formwork after concreting, the part as constructional column or collar tie beam.Eliminate in conventional construction method for the material during formwork, form removal, manpower, duration consumption, reduce construction costs, be that enterprise creates benefit.
Description
Technical field
The present invention relates to building material field, more particularly to a kind of non-dismantling formwork and its construction method.
Background technology
Constructional column refers to improve the stability and shock resistance of wall, in the steel of the predetermined portion setting of house wall
Reinforced concrete columnar structures, abbreviation constructional column.Constructional column presses constructional reinforcement, body of generally first building a wall, and constructional column position is reserved,
It is made after building wall in wall both sides formwork supporting plate and in reserved location casting concrete.
Collar tie beam refers to the reinforced beam of the horizontally disposed closing in masonry, and its purpose is to improve building
Integral rigidity and wall body stability, reduce the adverse effect of gene basis differential settlement or larger vibration load to building
And its caused wall body cracking.It is typically first assembling reinforcement during construction, then the both sides formwork supporting plate in collar tie beam position pours
Build concrete.
Constructional column and collar tie beam are required to the formwork supporting plate before concrete is broken, and the process of formwork supporting plate needs to consume more material
Material, manpower and man-hour；Form removal when concrete strength meets form removal requirement, equally will also consume corresponding manpower and work
When, make constructional column and collar tie beam construction cost higher, cause waste and the claim for eot of unnecessary fund, manpower.
The content of the invention
In view of this, it is an object of the invention to provide a kind of non-dismantling formwork, for construct during column template with wall simultaneously
Build by laying bricks or stones, self-assembling formation is used for the space of casting concrete；During for collar tie beam, non-dismantling formwork is built by laying bricks or stones on the basis of wall position
Or on the wall of certain altitude, the mould formed required for casting concrete, after concreting concrete and non-dismantling formwork without
Need to remove, the part as constructional column or collar tie beam.Eliminate the material being used in conventional construction method during formwork, form removal
Material, manpower, duration consumption, reduce construction costs, are that enterprise creates benefit.
In order to realize foregoing invention purpose, the present invention provides following technical scheme：
A kind of non-dismantling formwork, the non-dismantling formwork is three-layer composite structure, and intermediate layer is layers of reinforcement, is for remaining two layers
Base material layer, described matrix material layer includes cement mortar or pea gravel concreten, and the layers of reinforcement is that alkali-proof glass is fine
Tie up net or steel fabric sheet.
Preferably, the cement mortar includes the component of following mass fraction：200~500 parts of cement, flyash 1~400
Part, 800~1400 parts of sand, 0~10 part of building adhisive powder, 0~10 part of water reducer, 0~10 part of early strength agent, 160~250 parts of water.
Preferably, the pea gravel concreten includes the component of following mass fraction：150~450 parts of cement, flyash 1~
300 parts, 600~800 parts of sand, 700~900 parts of rubble, 0~10 part of building adhisive powder, 0~10 part of water reducer, early strength agent 0~10
Part, 160~250 parts of water.
Preferably, the quality of the flyash accounts for the 1%~40% of cement and flyash gross mass；
The quality of the water reducer accounts for the 0%~2% of cement and flyash gross mass；
The quality of the early strength agent accounts for the 0%~2% of cement and flyash gross mass；
The quality of the water accounts for the 40%~70% of cement and flyash gross mass.
Preferably, the flyash replaces with ground granulated blast furnace slag.
Preferably, one layer in two layers of base material layer is dull surface, and another layer is hair side, the thickness of the dull surface
Thickness of the degree less than hair side.
Present invention also offers the construction method of non-dismantling formwork described in above-mentioned technical proposal, the non-dismantling formwork is used as construction
The concrete blinding of post or collar tie beam is used.
Preferably, when the non-dismantling formwork is used for constructional column, the non-dismantling formwork is built by laying bricks or stones simultaneously with architecture noumenon, the structure
The bottom and top for making post use tension member (1), and the intermediate layer of the constructional column uses tension member (2).
Preferably, when the constructional column is located at building end, also including the use of tension member (3).
Preferably, when the non-dismantling formwork is used for collar tie beam, tension member (1) is set at the vertical mortar joint of non-dismantling formwork.
It is three-layer composite structure the invention provides a kind of non-dismantling formwork, intermediate layer is layers of reinforcement, is for remaining two layers
Base material layer, described matrix material layer includes cement mortar or pea gravel concreten, and the enhancement layer is alkali-resistant glass fibre net
Or steel fabric sheet.In the present invention, base material layer forms the basic configuration of non-dismantling formwork, and is conducive to viscous with architecture noumenon
Knot, layers of reinforcement can improve the mechanical strength and toughness of non-dismantling formwork, make non-dismantling formwork unlikely when by flecition
In generation brittle break.The non-dismantling formwork that the present invention is provided is used for when constructing column template with wall while building by laying bricks or stones, self-assembling formation use
In the space of casting concrete；During for collar tie beam, non-dismantling formwork build by laying bricks or stones on the basis of wall position or certain altitude wall
On body, the mould formed required for casting concrete, concrete need not be removed with non-dismantling formwork after concreting, as construction
A part for post or collar tie beam.Eliminate for the material during formwork, form removal, manpower, duration consumption in conventional construction method,
Construction costs is reduced, is that enterprise creates benefit.
Brief description of the drawings
The present invention is further detailed explanation with reference to the accompanying drawings and detailed description.
Fig. 1 is the structural representation of the non-dismantling formwork of the embodiment of the present invention 1；
Fig. 2 is the structural representation of tension member of the present invention (1)；
Fig. 3 is the structural representation of tension member of the present invention (2)；
Fig. 4 is structural representation when non-dismantling formwork made from the embodiment of the present invention 1 is used as constructional column；
Fig. 5 is the structural representation of tension member of the present invention (3)；
Fig. 6 is structural representation when non-dismantling formwork made from the embodiment of the present invention 2 is used as construction column end；
Fig. 7 is schematic diagram of the tension member (3) for wall end in the embodiment of the present invention 2；
Fig. 8 is used as structural representation during collar tie beam for the non-dismantling formwork of the embodiment of the present invention 3；
Fig. 9 is that the non-dismantling formwork of the embodiment of the present invention 4 is used for the structural representation of collar tie beam corner.
Embodiment
The invention provides a kind of non-dismantling formwork, the non-dismantling formwork is three-layer composite structure, and intermediate layer is reinforcing material
Layer, remaining two layers is base material layer, and described matrix material layer includes cement mortar or pea gravel concreten, the layers of reinforcement
For alkali-resistant glass fibre net or steel fabric sheet.
In the present invention, one layer of the surface of two layers of base material layer is preferably dull surface, and another layer is preferably hair side；
The roughness of the hair side is preferably 0.6~2mm, more preferably 1~1.5mm；The roughness of the dull surface is preferably 0.1~
0.5mm, more preferably 0.2~0.3mm.
In the present invention, the thickness of the dull surface is less than the thickness of hair side.
In the present invention, the thickness of institute's layers of reinforcement is preferably 0.5~2mm, more preferably 0.8~1mm；Described matrix
The thickness of material layer is preferably independently 5~20mm, more preferably 10~15mm.
In the present invention, the cement mortar includes the component of following mass fraction：200~500 parts of cement, flyash 1
~400 parts, 800~1400 parts of sand, 0~10 part of building adhisive powder, 0~10 part of water reducer, 0~10 part of early strength agent, water 160~250
Part.
In the present invention, the cement mortar includes the cement of 200~500 parts of mass fractions, preferably 200~400 parts,
More preferably 250~350 parts.In the present invention, the strength grade of the cement is preferably 32.5,42.5 or 52.5；The present invention
To originating without special restriction for the cement, using commercial goods well known to those skilled in the art, in the present invention
It is preferably Portland cement in embodiment.
In the present invention, the cement mortar includes the flyash of 1~400 part of mass fraction, preferably 150~300 parts,
More preferably 200~250 parts.The present invention originates without special restriction to the flyash, using those skilled in the art
Well known commercial goods, preferably I grade, the II grade or III grade flyash of row is done by steam power plant in embodiments of the present invention.
In the present invention, the cement mortar includes the sand of 800~1400 parts of mass fractions, preferably 1000~1400
Part, more preferably 1200~1300 parts.The present invention originates without special restriction to the sand, using those skilled in the art
The well known river sand or Machine-made Sand for meeting building sand standard.
In the present invention, the cement mortar includes the building adhisive powder of 0~10 part of mass fraction, preferably 4~10 parts, more
Preferably 5~8 parts.The present invention, without special restriction, is known to the source of the building adhisive powder using those skilled in the art
Universal building re-dispersible glue powder.
In the present invention, the cement mortar includes the water reducer of 0~10 part of mass fraction, preferably 2~8 parts, more excellent
Elect 3~6 parts as.The present invention originates without special restriction to the water reducer, using city well known to those skilled in the art
Sell water reducer for building.
In the present invention, the cement mortar includes the early strength agent of 0~10 part of mass fraction, preferably 2~8 parts, more excellent
Elect 4~6 parts as.The present invention originates without special restriction to the early strength agent, using city well known to those skilled in the art
Sell early strength agent for building.
In the present invention, the cement mortar includes the water of 160~250 parts of mass fractions, preferably 180~240 parts, more
Preferably 200~230 parts.
In the present invention, the cement mortar when in use directly mixes each raw material, and the present invention is mixed to the raw material
Conjunction mode does not have special restriction, by the way of those skilled in the art know, each raw material can be made well mixed.
In the present invention, the pea gravel concreten includes the component of following mass fraction：150~450 parts of cement, flyash
1~300 part, 600~800 parts of sand, 700~900 parts of rubble, 0~10 part of building adhisive powder, 0~10 part of water reducer, early strength agent 0~
10 parts, 160~250 parts of water.
In the present invention, the pea gravel concreten includes the cement of 150~450 parts of mass fractions, preferably 200~400
Part, more preferably 250~350 parts.The present invention is identical with technical scheme described above to the preferred scheme of the cement, herein not
Repeat again.
In the present invention, the pea gravel concreten includes the flyash of 1~300 part of mass fraction, preferably 100~280
Part, more preferably 150~250 parts.The present invention is identical with technical scheme described above to the preferred scheme of the flyash, herein
Repeat no more.
In the present invention, the pea gravel concreten includes the sand of 600~800 parts of mass fractions, preferably 650~750 parts,
More preferably 680~700 parts.The present invention is identical with technical scheme described above to the preferred scheme of the sand, no longer goes to live in the household of one's in-laws on getting married herein
State.
In the present invention, the pea gravel concreten includes the rubble of 700~900 parts of mass fractions, preferably 800~850
Part.In the present invention, the particle diameter of the rubble is preferably 2.5~10mm, more preferably 3~7.5mm；The present invention is to the rubble
Source without special restriction, using the rubble or ovum well known to those skilled in the art for meeting building standard.
In the present invention, the pea gravel concreten includes the building adhisive powder of 0~10 part of mass fraction, preferably 4~10 parts,
More preferably 6~8 parts.The present invention is identical with technical scheme described above to the preferred scheme of the building adhisive powder, herein no longer
Repeat.
In the present invention, the pea gravel concreten includes the water reducer of 0~10 part of mass fraction, preferably 3~8 parts, more
Preferably 4~6 parts.The present invention is identical with technical scheme described above to the preferred scheme of the water reducer, will not be repeated here.
In the present invention, the pea gravel concreten includes the early strength agent of 0~10 part of mass fraction, preferably 2~8 parts, more
Preferably 6~7 parts.The present invention is identical with technical scheme described above to the preferred scheme of the early strength agent, will not be repeated here.
In the present invention, the pea gravel concreten includes the water of 160~250 parts of mass fractions, preferably 170~220 parts,
More preferably 180~200 parts.
In the present invention, the pea gravel concreten when in use directly mixes each raw material, and the present invention is to the raw material
Hybrid mode does not have special restriction, by the way of those skilled in the art know, each raw material can be made well mixed.
In the present invention, the quality of the flyash accounts for the 1%~40% of cement and flyash gross mass, more preferably
15%~35%, most preferably 20%~30%.
In the present invention, the quality of the water reducer accounts for the 0%~2% of cement and flyash gross mass, more preferably
0.5%~1.0%.
In the present invention, the quality of the early strength agent accounts for the 0%~2% of cement and flyash gross mass, more preferably
0.5%~1.5%.
In the present invention, the quality of the water accounts for the 40%~70% of cement and flyash gross mass, more preferably 45%
~60%, most preferably 50%~55%.
In the present invention, the flyash can be replaced ground granulated blast furnace slag, and the present invention is to the ground granulated blast furnace slag without spy
Different restriction, using ground granulated blast furnace slag for building well known to those skilled in the art, other schemes and such scheme phase
Together, it will not be repeated here.
In the present invention, the aperture of the alkali-resistant glass fibre net and steel fabric sheet is preferably independently 5~15mm, more excellent
Elect 8~10mm as；Source of the invention to the alkali-resistant glass fibre net and steel fabric sheet is without special restriction, using ability
Commercial goods known to field technique personnel.
The present invention does not have special restriction to the preparation method of the non-dismantling formwork, using well known to those skilled in the art
The preparation method of non-dismantling formwork；In embodiments of the present invention, the non-dismantling formwork is on the tinuous production provided with supporting plate
Production, including base material layer is poured, layers of reinforcement laying, vibratory compaction, roll leveling, cutting edge, maintenance, cutting technique mistake
Journey.
Present invention also offers the construction method of non-dismantling formwork described in above-mentioned technical proposal, the non-dismantling formwork is used as construction
The concrete blinding of post or collar tie beam is used.
In the present invention, the non-dismantling formwork is as the concrete blinding of constructional column or collar tie beam in use, structure trunk is hard
It is integrally formed after change with non-dismantling formwork secure bond, non-dismantling formwork also turns into a part for constructional column or collar tie beam.In the present invention,
The hair side of the non-dismantling formwork is directly contacted with the concrete of constructional column, is easy to make the concrete of non-dismantling formwork and constructional column to glue
Knot；The dull surface of the non-dismantling formwork is the outer surface for the compound structure post that non-dismantling formwork is constituted with armored concrete, is easy to wall
Body surface plastering and decoration.
In the present invention, when the non-dismantling formwork is used for constructional column, the non-dismantling formwork is built by laying bricks or stones simultaneously with architecture noumenon, institute
The bottom and top for stating constructional column preferably use tension member (1), and the intermediate layer of the constructional column preferably uses tension member (2).
In the present invention, the length of the tension member (1) and tension member (2) is preferably identical with the width of architecture noumenon；
The tension member (1) and tension member (2) play drawknot and position-limiting action, can prevent non-dismantling formwork when pouring constructional column because mixed
Solidifying earth lateral pressure and spreading or deformation.
In the present invention, when the constructional column is located at building end, further preferably including the use of tension member (3)；It is described to draw
In the mortar joint of long pommel insertion architecture noumenon for tying part (3), the long pommel of more preferably described tension member (3) is completely embedded into building block
In the mortar joint of architecture noumenon.
In the present invention, when the non-dismantling formwork is used for collar tie beam, drawknot is set preferably at the vertical mortar joint of non-dismantling formwork
Part (1).The present invention preferably determines the number of set tension member (1) according to the length of non-dismantling formwork；Specifically, adjacent drawing
0.5~1.2m, more preferably 0.6~1.0m are preferably spaced between knot part (1).
In the present invention, the tension member (1), tension member (2) or tension member (3) independently by Q235 hot rolled steel plates, its
The steel plate or resin material that it meets processing request are made.
In the present invention, the preparation method of the tension member (1) preferably includes following steps：When preparing drawknot using steel plate
During part (1), the Q235 hot rolled steel plates are cut into strip-shaped materials with plate shearing machine, the strip-shaped materials two ends are bent；When making
When tension member (1) is prepared with resin material, preferably disposable injection molding is completed.
In the present invention, the preparation method of the tension member (2) comprises the following steps：When preparing tension member using steel plate
(2) when, the Q235 hot rolled steel plates are cut into strip-shaped materials and rectangle material with plate shearing machine, by the two of the strip-shaped materials
Welded respectively with rectangle material at end；When preparing tension member (2) using resin material, preferably disposable injection molding is complete
Into.
In the present invention, the preparation method of the tension member (3) comprises the following steps：When preparing tension member using steel plate
(3) when, the Q235 hot rolled steel plates are cut into strip-shaped materials and rectangle material with plate shearing machine, by the one of the strip-shaped materials
Welded with rectangle material at end；When preparing tension member (3) using resin material, preferably disposable injection molding is completed.
In the present invention, the width of the strip-shaped materials of the tension member (1), tension member (2) or tension member (3) is independently excellent
Elect 10~30mm, more preferably 15~20mm as；The length and wall of the strip-shaped materials of the tension member (1) and tension member (2)
Consistency of thickness；The strip-shaped materials length of the tension member (3) independently be preferably 200~500mm, more preferably 250~
400mm。
In the present invention, the length of tension member (1) the strip-shaped materials two ends bending is preferably 10~25mm, more preferably
15~20mm.
In the present invention, the width of the rectangle material of the tension member (2) or tension member (3) independently be preferably 20~
30mm, more preferably 15~25mm；The length of the rectangle material of the tension member (2) or tension member (3) is preferably independently
20~40mm, more preferably 25~35mm.
It is three-layer composite structure the invention provides a kind of non-dismantling formwork, intermediate layer is layers of reinforcement, is for remaining two layers
Base material layer, described matrix material layer includes cement mortar or pea gravel concreten, and the enhancement layer is alkali-resistant glass fibre net
Or steel fabric sheet.In the present invention, base material layer forms the basic configuration of non-dismantling formwork, and is conducive to viscous with architecture noumenon
Knot, layers of reinforcement can improve the mechanical strength and toughness of non-dismantling formwork, make non-dismantling formwork unlikely when by flecition
In generation brittle break.The non-dismantling formwork that the present invention is provided is used for when constructing column template with wall while building by laying bricks or stones, self-assembling formation use
In the space of casting concrete；During for collar tie beam, non-dismantling formwork build by laying bricks or stones on the basis of wall position or certain altitude wall
On body, the mould formed required for casting concrete, concrete need not be removed with non-dismantling formwork after concreting, as construction
A part for post or collar tie beam.Eliminate for the material during formwork, form removal, manpower, duration consumption in conventional construction method,
Construction costs is reduced, is that enterprise creates benefit.
The non-dismantling formwork and its construction method provided with reference to embodiment the present invention is described in detail, but not
They can be interpreted as limiting the scope of the present invention.
Embodiment 1
Weigh cement 200kg, flyash 300kg, sand 800kg, building adhisive powder 10kg, water reducer 10kg, early strength agent 5kg,
Water 200kg is well mixed for making base material layer, and it is enhancement layer to take alkali-resistant glass fibre net, in the continuous life provided with supporting plate
Produced in producing line, first pour one layer of base material layer, then lay layers of reinforcement, then pour one layer of base material layer, then
Sequentially pass through vibratory compaction, rolling leveling, cutting edge, maintenance, cutting technique process and obtain non-dismantling formwork, the non-dismantling formwork being processed into
The base material layer that product is contacted with supporting plate is in dull surface, and the base material layer after rolling and processing is in hair side, obtained to exempt from
The structural representation of form removal is as shown in Figure 1.
Non-dismantling formwork made from embodiment 1 is used as wall structure post, non-dismantling formwork also turns into one of constructional column
Point.Non-dismantling formwork is built by laying bricks or stones simultaneously with walling unit, and the hair side of non-dismantling formwork is directly contacted with the concrete for pouring constructional column,
Non-dismantling formwork collectively forms constructional column with concrete structure.The bottom and top of wall use tension member (1), the intermediate layer of wall
Using tension member (2), wherein tension member (1), the structural representation of tension member (2) is distinguished as shown in Figure 2 and Figure 3, obtained to exempt to tear open
Template is as shown in Figure 4 as the schematic diagram of wall structure post.When the non-dismantling formwork that the present embodiment is provided is used to construct column template with
Wall is built by laying bricks or stones simultaneously, and self-assembling formation is used for the space of casting concrete, and non-dismantling formwork is without removing after concreting, as structure
A part for post is made, is eliminated in conventional construction method for the material during formwork, form removal, manpower, duration consumption, reduction
Construction costs, is that enterprise creates benefit.
Embodiment 2
Weigh cement 500kg, flyash 100kg, sand 800kg, building adhisive powder 10kg, early strength agent 5kg, water 240kg mixing
Uniform to be used to make base material layer, it is enhancement layer to take steel fabric sheet, produces, first pours on the tinuous production provided with supporting plate
One layer of base material layer, then lays layers of reinforcement, then pours one layer of base material layer, then in turn through vibratory compaction,
Rolling leveling, cutting edge, maintenance, cutting technique process obtain non-dismantling formwork, what the non-dismantling formwork product being processed into was contacted with supporting plate
Base material layer is in dull surface, and the base material layer after rolling and processing is in hair side.
Using non-dismantling formwork made from embodiment 2 as architecture noumenon end, i.e. walling unit end structure post in use, with
Construction method in embodiment 1 is identical, differs only in also along the axially arranged tension member of wall (3), the structure of tension member (3) is shown
Be intended to as shown in figure 5, obtained non-dismantling formwork as walling unit end structure rod structure as shown in fig. 6, tension member (3) is in wall
Schematic cross-section in body is as shown in fig. 7, the long pommel of tension member (3) is completely embedded into wall mortar joint.What the present embodiment was provided
Non-dismantling formwork is used for when constructing column template with wall while building by laying bricks or stones, and space of the self-assembling formation for casting concrete, concrete is poured
Rear concrete and non-dismantling formwork are built without removing, the part as constructional column, eliminate be used in conventional construction method formwork,
Material, manpower, duration consumption during form removal, reduce construction costs, are that enterprise creates benefit.
Embodiment 3
Raw material is weighed according to the raw material proportioning in embodiment 1, is built by laying bricks or stones non-dismantling formwork as collar tie beam, building wall is extremely
After setting height, needing to set the position of collar tie beam to build non-dismantling formwork, structural representation by laying bricks or stones as shown in figure 8, in non-dismantling formwork
The row's tension member (1) of transverse direction two setting up and down at vertical mortar joint, according to the length of non-dismantling formwork, the number of tension member (1) can be appropriate
Addition.
Embodiment 4
Raw material is weighed according to the raw material proportioning in embodiment 1, non-dismantling formwork is used for collar tie beam corner, building wall is to setting
Determine after height, needing to set the position of collar tie beam to build non-dismantling formwork by laying bricks or stones, while also building non-dismantling formwork by laying bricks or stones in the corner of wall, tying
Structure schematic diagram as shown in figure 9, at the vertical mortar joint of non-dismantling formwork the row's tension member (1) of transverse direction two setting up and down, according to exempting from form removal
The length of plate, the number of tension member (1) can be properly added.
The above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (10)
1. a kind of non-dismantling formwork, it is characterised in that the non-dismantling formwork is three-layer composite structure, and intermediate layer is layers of reinforcement,
Remaining two layers is base material layer, and described matrix material layer includes cement mortar or pea gravel concreten, and the layers of reinforcement is
Alkali-resistant glass fibre net or steel fabric sheet.
2. non-dismantling formwork according to claim 1, it is characterised in that the cement mortar includes the group of following mass fraction
Point：200~500 parts of cement, 1~400 part of flyash, 800~1400 parts of sand, 0~10 part of building adhisive powder, 0~10 part of water reducer,
0~10 part of early strength agent, 160~250 parts of water.
3. non-dismantling formwork according to claim 1, it is characterised in that the pea gravel concreten includes following mass fraction
Component：150~450 parts of cement, 1~300 part of flyash, 600~800 parts of sand, 700~900 parts of rubble, building adhisive powder 0~10
Part, 0~10 part of water reducer, 0~10 part of early strength agent, 160~250 parts of water.
4. the non-dismantling formwork according to Claims 2 or 3, it is characterised in that the quality of the flyash accounts for cement and fine coal
The 1%~40% of grey gross mass；
The quality of the water reducer accounts for the 0%~2% of cement and flyash gross mass；
The quality of the early strength agent accounts for the 0%~2% of cement and flyash gross mass；
The quality of the water accounts for the 40%~70% of cement and flyash gross mass.
5. the non-dismantling formwork according to Claims 2 or 3, it is characterised in that the flyash replaces with ground granulated blast furnace slag.
6. non-dismantling formwork according to claim 1, it is characterised in that one layer in two layers of base material layer is matt
Face, another layer is hair side, and the thickness of the dull surface is less than the thickness of hair side.
7. the construction method of non-dismantling formwork described in claim 1~6 any one, it is characterised in that the non-dismantling formwork conduct
The concrete blinding of constructional column or collar tie beam is used.
8. construction method according to claim 7, it is characterised in that described to exempt from when the non-dismantling formwork is used for constructional column
Form removal is built by laying bricks or stones simultaneously with architecture noumenon, and the bottom and top of the constructional column use tension member (1), the centre of the constructional column
Layer uses tension member (2).
9. construction method according to claim 8, it is characterised in that when the constructional column is located at building end, also wrap
Include using tension member (3).
10. construction method according to claim 7, it is characterised in that when the non-dismantling formwork is used for collar tie beam, exempting from form removal
Tension member (1) is set at the vertical mortar joint of plate.
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| CN109056776A (en) * | 2018-08-01 | 2018-12-21 | 五冶集团上海有限公司 | A kind of construction method of single pile cap |
| CN109944366A (en) * | 2019-03-11 | 2019-06-28 | 国骅建设有限公司 | One kind exempting from formwork constructional column and its construction method |
| CN110952776A (en) * | 2019-10-23 | 2020-04-03 | 中船第九设计研究院工程有限公司 | Cast-in-place concrete constructional column and ring beam disassembly-free formwork and manufacturing method thereof |
| CN112321233A (en) * | 2020-11-06 | 2021-02-05 | 中国铁建股份有限公司 | Ordinary support-free permanent template frame and preparation method thereof |
| CN114607140A (en) * | 2022-03-14 | 2022-06-10 | 中铁三局集团有限公司 | Concrete structure free of formwork construction and construction method |
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Application publication date: 20170718 |