CN102828578A - Bolt-connected assembling anti-cracking anti-seepage permanent cylinder shuttering - Google Patents
Bolt-connected assembling anti-cracking anti-seepage permanent cylinder shuttering Download PDFInfo
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- CN102828578A CN102828578A CN2012102948917A CN201210294891A CN102828578A CN 102828578 A CN102828578 A CN 102828578A CN 2012102948917 A CN2012102948917 A CN 2012102948917A CN 201210294891 A CN201210294891 A CN 201210294891A CN 102828578 A CN102828578 A CN 102828578A
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- 238000005336 cracking Methods 0.000 title claims abstract description 17
- 238000009416 shuttering Methods 0.000 title abstract 4
- 239000000835 fiber Substances 0.000 claims abstract description 79
- 239000004568 cement Substances 0.000 claims abstract description 55
- 239000002131 composite material Substances 0.000 claims abstract description 51
- 229910052755 nonmetal Inorganic materials 0.000 claims abstract description 20
- 239000000463 material Substances 0.000 claims abstract description 11
- 239000002585 base Substances 0.000 claims description 46
- 229910052500 inorganic mineral Inorganic materials 0.000 claims description 44
- 239000011707 mineral Substances 0.000 claims description 44
- 230000001186 cumulative effect Effects 0.000 claims description 23
- 239000004698 Polyethylene Substances 0.000 claims description 17
- -1 polyethylene Polymers 0.000 claims description 17
- 229920000573 polyethylene Polymers 0.000 claims description 17
- 239000010881 fly ash Substances 0.000 claims description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 15
- 239000011150 reinforced concrete Substances 0.000 claims description 13
- 244000144992 flock Species 0.000 claims description 12
- 239000004760 aramid Substances 0.000 claims description 11
- 229920003235 aromatic polyamide Polymers 0.000 claims description 11
- 239000002893 slag Substances 0.000 claims description 11
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 claims description 10
- 239000002245 particle Substances 0.000 claims description 10
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 8
- 229910052710 silicon Inorganic materials 0.000 claims description 8
- 239000010703 silicon Substances 0.000 claims description 8
- 239000002956 ash Substances 0.000 claims description 6
- 239000004567 concrete Substances 0.000 claims description 6
- 239000011216 ultra-high temperature ceramic matrix composite Substances 0.000 claims description 6
- 229920006231 aramid fiber Polymers 0.000 claims description 4
- 239000004744 fabric Substances 0.000 claims description 4
- 239000011159 matrix material Substances 0.000 claims description 4
- 239000012615 aggregate Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 239000004576 sand Substances 0.000 claims description 3
- 101100002917 Caenorhabditis elegans ash-2 gene Proteins 0.000 claims description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 2
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 2
- 239000011398 Portland cement Substances 0.000 claims description 2
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 claims description 2
- 239000003513 alkali Substances 0.000 claims description 2
- 239000004411 aluminium Substances 0.000 claims description 2
- 229910052782 aluminium Inorganic materials 0.000 claims description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 2
- 229910052799 carbon Inorganic materials 0.000 claims description 2
- 239000004917 carbon fiber Substances 0.000 claims description 2
- 239000003638 chemical reducing agent Substances 0.000 claims description 2
- 239000000470 constituent Substances 0.000 claims description 2
- 239000003365 glass fiber Substances 0.000 claims description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 2
- 229910021653 sulphate ion Inorganic materials 0.000 claims description 2
- 239000004753 textile Substances 0.000 claims description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims 4
- 235000013312 flour Nutrition 0.000 claims 1
- 239000000377 silicon dioxide Substances 0.000 claims 1
- 238000000465 moulding Methods 0.000 abstract description 3
- 229910000831 Steel Inorganic materials 0.000 abstract description 2
- 239000010959 steel Substances 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 239000011241 protective layer Substances 0.000 abstract 1
- 238000010276 construction Methods 0.000 description 10
- 238000009415 formwork Methods 0.000 description 3
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- 238000012797 qualification Methods 0.000 description 1
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Abstract
The invention discloses a bolt-connected assembling anti-cracking anti-seepage permanent cylinder shuttering which comprises panels and corner strips. Bolt connection is performed both between panels and between panels and corner strips. The invention can be used as a cylinder shuttering in cylinder pouring phases of structures such as industrial and civil building structures, hydraulic structures, harbor structures, bridges and the like, and can be used as a protection plate and an outer protective layer of the structures after pouring molding, and bear a part of loads. The panels and corner strips of the invention can be made of the following different kinds of materials: ultrahigh-toughness cement-based composite materials (UHTCC), cement-based composite materials reinforced by nonmetal fiber meshes combined with short fibers, cement-based composite materials reinforced by steel wire meshes combined with short fibers, and the like, and the shuttering of the invention has the characteristics of simple manufacturing, convenient usage, high endurance, and crack extension controllability.
Description
Technical field
The invention belongs to a kind of construction formwork; Specifically a kind of high-durability permanent formwork that is mainly used in industry and civilian construction structure, hydro-structure, port sea structure and the isostructural cylinder of bridge; Use as template in the stage of building; Build double protected apron and the external protection of doing structure after the moulding, bear the structural load of a part simultaneously.
Background technology
At present; In the domestic construction field; Industry is used templates such as wooden form, steel form usually with civilian construction structure, hydro-structure, port sea structure and the isostructural cylinder of bridge, has unfavorable factors such as consumption is big, dismounting is inconvenient, the turnover expense high, utilization rate is low.Endurance issues is one of subject matter that reinforced concrete structure faced all the time.The ordinary concrete surface is exposed naturally in the structure under the conventional situation, and durability is lower, and the house of China nearly 50% gets into the ageing step at present, and promptly 23.4 hundred million square metres building faces endurance issues.In addition; Is the key character that hydro-structure, sea, port structure etc. are different from other types building structure with cracking resistance as controlled condition design; The operate as normal that ordinary concrete problem easy to crack not only can influence hydro-structure etc. also can influence its durability and application life, serious even safe operation that can influence structure.More than some be industry all the time with construction such as civilian construction structure, hydro-structure, port sea structure and bridge and use in more scabrous problem.
Summary of the invention
But technical problem to be solved by this invention provides the permanent column template of a kind of bolt interconnection system assembly unit anti-cracking and seepage control; To improve the unfavorable factor that conventional template is brought; Improve structure durability simultaneously; Reduce the application life of structure later maintenance cost and final extending structure, for this reason, the present invention adopts following technical scheme:
It is connected to form through bolt by polylith panel and polylith corner bar; The both sides of said panel inwardly have or the first outwards outstanding connecting portion; Said corner bar constitutes main body with the first perpendicular panel and second panel; The both sides of corner panel are extruded with second connecting portion, and second connecting portion and first connecting portion are in the same side of column template; Between the first adjacent connecting portion, all connect through bolt between adjacent second connecting portion and first connecting portion, said panel and corner bar select for use following different materials to make: superhigh tenacity cement-base composite material UHTCC, non metal fiber woven net and flock combined reinforced concrete base composite material, gauze wire cloth and flock combined reinforced concrete base composite material.
On the basis of adopting technique scheme, the present invention also can adopt following further technical scheme:
Used superhigh tenacity cement-base composite material UHTCC; Its composition comprises cement, active mineral admixture, aggregate, fiber and water, and active mineral admixture adopts the combination of flyash or flyash and following one or more materials: silicon ash, granulated blast-furnace slag, metakaolin; The maximum particle diameter of aggregate is no more than 0.5mm; Fiber is one or more the combination in vinal, polyethylene fibre, the aromatic polyamide fibre; Fibre length is that 5～25mm, diameter are that 0.015～0.055 mm, modulus of elasticity are that 30 ~ 150GPa, tensile strength are that 1000 ~ 3500MPa, ultimate elongation are 2%～15%, and the weight ratio of cement and each component of active mineral admixture is:
Flyash 45%～85%
Silicon ash 0～15%
Granulated blast-furnace slag 0～10%
Metakaolin 0～20%
Each components by weight sum of above cement and active mineral admixture satisfies 100%;
The weight of aggregate is 1%～70% with the ratio of cement and active mineral admixture gross weight, and the weight of water is 18%～58% with the ratio of cement and active mineral admixture gross weight, and the volume of fiber is 1.5%～2.5% of a cement-base composite material cumulative volume.
Said superhigh tenacity cement-base composite material uses vinal, when three kinds of fibers of polyethylene fiber peacekeeping aromatic polyamide fibre strengthen simultaneously, its proportioning is:
Each components by weight of cement and active mineral admixture is: cement 25%, flyash 60%, silicon ash 2%, granulated blast-furnace slag 8%, metakaolin 5%;
The maximum particle diameter of aggregate is 0.5mm, and aggregate weight is 40% with the ratio that cement adds the active mineral admixture gross weight, and the weight of water is 25% ~ 45% with the ratio that cement adds the active mineral admixture gross weight; The volume of fiber is 1.8% ~ 2.3% of a cement-base composite material cumulative volume;
The polyethylene fibre length that adopts is 12mm, and diameter is 0.039mm, and tensile strength is 1620MPa, and modulus of elasticity is 42.8GPa, and ultimate elongation is 6%, and volume is 1.2% ~ 1.5% of a cement-base composite material cumulative volume; Polyethylene fibre length is 12.7mm, and diameter is 0.038mm, and tensile strength is 2700MPa, and modulus of elasticity is 120GPa, and ultimate elongation is 3.5%, and volume is 0.4% ~ 0.9% of a cement-base composite material cumulative volume; Aromatic polyamide fibre length is 15mm, and diameter is 0.015mm, and tensile strength is 2800MPa, and modulus of elasticity is 132GPa, ultimate elongation 2.4%, and volume is 0.2% ~ 0.4% of a cement-base composite material cumulative volume.
When described cement-base composite material used vinal and two kinds of fibers of aromatic polyamide fibre to strengthen simultaneously, its proportioning was:
Each components by weight of cement and active mineral admixture is: cement 30%, flyash 52%, granulated blast-furnace slag 3%, metakaolin 15%;
The maximum particle diameter of aggregate is 0.5mm, and aggregate weight is 65% with the ratio that cement adds the active mineral admixture gross weight, and the weight of water is 20% ~ 55% with the ratio that cement adds the active mineral admixture gross weight; The volume of fiber is 1.8% ~ 2.2% of a cement-base composite material cumulative volume;
The vinal length that adopts is 12mm, and diameter is 0.039mm, and tensile strength is 1620MPa, and modulus of elasticity is 42.8GPa, and ultimate elongation is 6%, and volume is 1.6% ~ 2.0% of a cement-base composite material cumulative volume; Aromatic polyamide fibre length is 15mm, and diameter is 0.015mm, and tensile strength is 2800MPa, and modulus of elasticity is 132GPa, ultimate elongation 2.4%, and volume is 0.2% ~ 0.4% of a cement-base composite material cumulative volume.
When described cement-base composite material used vinal and two kinds of fibers of polyethylene fibre to strengthen simultaneously, its proportioning was:
Each components by weight of cement and active mineral admixture is: cement 55%, flyash 45%; The model of said cement is P.II 52.5 R;
The maximum particle diameter of aggregate is 0.5mm, and the weight of aggregate is 50% with the ratio that cement adds the active mineral admixture gross weight, and the weight of water is 40% ~ 55% with the ratio that cement adds the active mineral admixture gross weight; The volume of fiber is 1.8% ~ 2.2% of a cement-base composite material cumulative volume;
The vinal length that adopts is 12mm, and diameter is that 0.039mm, tensile strength are that 1620MPa, modulus of elasticity are that 42.8GPa, ultimate elongation are 6%, and volume is 1.2% ~ 1.9% of a fibrous concrete cumulative volume; Polyethylene fibre length is 12.7mm, and diameter is 0.038mm, and tensile strength is 2700MPa, and modulus of elasticity is 120GPa, and ultimate elongation is 3.5%, and volume is 0.3% ~ 0.8% of a cement-base composite material cumulative volume.
Said non metal fiber woven net and flock combined reinforced concrete base composite material are made up of non metal fiber woven net, nonmetal short fiber and cement based matrix, and said non metal fiber woven net comprises: Carbon Fibre Textile, aramid fiber mesh grid, alkali-resistant glass fibre mesh grid, vinal mesh grid, polyethylene fibre mesh grid or the assorted fibre mesh grid of being processed by above fiber shuffling; Nonmetal short fiber comprises: one or more in vinal, polyethylene fibre, carbon fiber, the aramid fiber; The constituent of cement based matrix comprises: one or more in portland cement, high alumina cement, the sulphate aluminium cement, active mineral fine mineral admixture, and water reducing agent, meticulous sand, said active mineral fine mineral admixture is the material with pozzolanic activity.
The percent by volume of in non metal fiber woven net flock combined reinforced concrete base composite material, using relative this total composite volume is 1.5 ~ 2.5% nonmetal short fiber.
Said first connecting portion is the sidewall shape of panel, and second connecting portion is the sidewall shape of corner pieces; First connecting portion and second connecting portion are reserved bolt connecting hole; The panel inner surface is distributed with some grooves; The inner surface of corner bar is distributed with some grooves.
The said transverse joint of stating between panel staggers mutually, and seam between the corner bar and the transverse joint between panel stagger each other.
The present invention can adjust the quantity and the big or small template that is combined to form required size and shape of panel according to the use needs, and simultaneously, the corner bar can guarantee the connection between panel and the panel, thereby forms complete template system.Connect through bolt for being connected between panel and the panel and between corner bar and the panel and to realize.The size of column template of the present invention can be according to actual needs through the size of adjustment panel and the needs that quantity satisfies difformity sizes such as square, rectangle, and adjustment panel and corner bar quantity satisfy the needs of differing heights size.
Because adopt technical scheme of the present invention, the present invention used as template in the stage of building, build moulding after; Need not remove, and double protected apron and the external protection of doing structure becomes permanent formwork; Itself cost is low and also eliminated demolition cost and turnover expense, reduces engineering cost, can improve and solve the problems such as dismounting and utilization rate in the template constructions such as industry and the extra large structure in civilian construction structure, hydro-structure and port; Reduce construction intensity, can shorten the engineering time greatly.Meanwhile; Because this template is processed by superhigh tenacity cement-base composite material, non metal fiber woven net and flock combined reinforced concrete base composite material or gauze wire cloth and flock combined reinforced concrete base composite material; Have characteristics such as high stretching ductility and Crack Control ability, damage tolerance is high, energy absorption capability is strong; Can effectively reduce harmful crack of body structure surface generation and suppress the crack development; Its chloride-penetration resistance and anti-water permeation performance are much better than ordinary concrete, can significantly improve the durability and the application life of concrete structure.Simultaneously, adopt the structure of panel of the present invention and corner bar, column template is by panel and the assembly unit of corner bar assembling, has to make simply, assemble easy to usely, and durability is high, controls the characteristics of crack developing.Column template of the present invention can also be born the part-structure load and reduce the column body amount of reinforcement, promotes overall efficiency.
Description of drawings
Fig. 1 (a) is the permanent column template structural representation that panel of the present invention and corner bar are connected into.
Fig. 1 (b) is the permanent column template vertical view that panel of the present invention and corner bar are connected into.
Fig. 2 (a) is the structural representation of panel of the present invention.
Fig. 2 (b) is the elevation of panel of the present invention.
Fig. 2 (c) is the vertical view of panel of the present invention.
Fig. 2 (d) is the lateral view of panel of the present invention.
Fig. 2 (e) is the A-A sectional view of Fig. 2 (c).
Fig. 3 (a) is the structural representation of corner bar of the present invention.
Fig. 3 (b) is the elevation of corner bar of the present invention.
Fig. 3 (c) is the vertical view of corner bar of the present invention.
Fig. 3 (d) is the lateral view of corner bar of the present invention.
Fig. 3 (e) is the B-B sectional view of Fig. 3 (b).
Fig. 3 (f) is the C-C sectional view of Fig. 3 (b).
Fig. 4 (a) is that bolt of the present invention connects sketch map.
Fig. 4 (b) is the vertical view that bolt of the present invention connects sketch map.
Fig. 4 (c) is the lateral view that bolt of the present invention connects sketch map.
Fig. 5 (a) is the shaft side figures such as southwest of assembling sketch map of the present invention.
Fig. 5 (b) is the shaft side figures such as the southeast of assembling sketch map of the present invention.
The specific embodiment
Below in conjunction with accompanying drawing but the permanent column template specific embodiment of bolt interconnection system assembly unit anti-cracking and seepage control provided by the present invention is described further, this embodiment is to explanation of the present invention, rather than the present invention is made any qualification.
But the permanent column template of a kind of bolt interconnection system assembly unit anti-cracking and seepage control of present embodiment connects to form the rectangular column template by 2 eight of 1 two ten four of panels and corner bars through bolt 13; The both sides of said panel 1 inwardly have or the first outwards outstanding connecting portion 10; Said corner bar 2 constitutes main body with the first perpendicular panel 23 and second panel 24; The both sides of corner panel are extruded with the same side that second connecting portion, 20, the second connecting portions 20 and first connecting portion 10 are in column template; Between the first adjacent connecting portion, all connect through bolt 13 between adjacent second connecting portion and first connecting portion, said panel 1 selects for use following different materials to make with corner bar 2: superhigh tenacity cement-base composite material UHTCC, non metal fiber woven net and flock combined reinforced concrete base composite material, gauze wire cloth and flock combined reinforced concrete base composite material.
Said first connecting portion 10 is the sidewall shape of panel, and second connecting portion 20 is the sidewall shape of corner pieces, and first connecting portion and second connecting portion are reserved bolt connecting hole; Panel 1 inner surface is distributed with some grooves 11; The inner surface of corner bar 2 is distributed with some grooves 21.
The said transverse joint of stating between panel staggers mutually, and seam between the corner bar and the transverse joint between panel stagger each other.
As Fig. 5 (a) (b) shown in, below introduce the implementation method under the above-mentioned situation.
1. the material of panel and corner bar is with superhigh tenacity cement-base composite material UHTCC; Its composition comprises cement, active mineral admixture, aggregate, fiber and water, and active mineral admixture adopts the combination of flyash or flyash and following one or more materials: silicon ash, granulated blast-furnace slag, metakaolin; The maximum particle diameter of aggregate is no more than 0.5mm; Fiber is one or more the combination in vinal, polyethylene fibre, the aromatic polyamide fibre; Fibre length is that 5～25mm, diameter are that 0.015～0.055 mm, modulus of elasticity are that 30 ~ 150GPa, tensile strength are that 1000 ~ 3500MPa, ultimate elongation are 2%～15%; The weight ratio of cement and each component of active mineral admixture is: cement (12%～55%), flyash (45%～85%), silicon ash (0～15%), granulated blast-furnace slag (0～10%), metakaolin (0～20%), and each components by weight sum of above cement and active mineral admixture satisfies 100%; The weight of aggregate is 1%～70% with the ratio of cement and active mineral admixture gross weight, and the weight of water is 18%～58% with the ratio of cement and active mineral admixture gross weight, and the volume of fiber is 1.5%～2.5% of a cement-base composite material cumulative volume.
2. when assembling, panel is carried out assembly unit from bottom to top, the suitable interlaced arrangement of panel during assembling, thus make the panel transverse joint not on same straight line, the connection that bolt 13 carries out between the panel is like Fig. 4 (a) (b) shown in (c).
3. use the panel in the corner bar 2 joint pin template different facial, use bolt 13 to connect, as Fig. 5 (a) (b) shown in.The seam of corner bar 2 should be suitable interleaved with the transverse joint of panel, thereby make it not on same straight line.
During construction; Can carry out the size design and the assembling of panel and corner bar according to the needs of real size; Size and quantity through the adjustment panel can realize that the cross section of different size is rectangle or foursquare column template, and adjustment panel, corner bar quantity satisfy the needs of differing heights size.Should adopt panel and corner bar alternative splicing to accomplish the overall package of column template from bottom to top, assembling mode is varied.
It is simple, easy to use that the present invention has making, improves the characteristics of structure durability and control crack developing, satisfies the application of a large amount of engineerings easily.
Claims (10)
1. but permanent column template of bolt interconnection system assembly unit anti-cracking and seepage control; It is characterized in that: it is connected to form through bolt by polylith panel (1) and polylith corner bar (2); The both sides of said panel (1) inwardly have or the first outwards outstanding connecting portion; Said corner bar (2) constitutes main body with the first perpendicular panel and second panel, and the both sides of corner panel are extruded with second connecting portion, and second connecting portion and first connecting portion are in the same side of column template; Between the first adjacent connecting portion, all connect through bolt between adjacent second connecting portion and first connecting portion, said panel and corner bar select for use following different materials to make: superhigh tenacity cement-base composite material UHTCC, non metal fiber woven net and flock combined reinforced concrete base composite material, gauze wire cloth and nonmetal flock combined reinforced concrete base composite material.
2. but the permanent column template of a kind of bolt interconnection system assembly unit anti-cracking and seepage control according to claim 1; It is characterized in that: used superhigh tenacity cement-base composite material UHTCC; Its composition comprises cement, active mineral admixture, aggregate, fiber and water, and active mineral admixture adopts the combination of flyash or flyash and following one or more materials: silicon ash, granulated blast-furnace slag, metakaolin; The maximum particle diameter of aggregate is no more than 0.5mm; Fiber is one or more the combination in vinal, polyethylene fibre, the aromatic polyamide fibre; Fibre length is that 5～25mm, diameter are that 0.015～0.055 mm, modulus of elasticity are that 30 ~ 150GPa, tensile strength are that 1000 ~ 3500MPa, ultimate elongation are 2%～15%, and the weight ratio of cement and each component of active mineral admixture is:
Cement 12%～55%
Flyash 45%～85%
Silicon ash 0～15%
Granulated blast-furnace slag 0～10%
Metakaolin 0～20%
Each components by weight sum of above cement and active mineral admixture satisfies 100%;
The weight of aggregate is 1%～70% with the ratio of cement and active mineral admixture gross weight, and the weight of water is 18%～58% with the ratio of cement and active mineral admixture gross weight, and the volume of fiber is 1.5%～2.5% of a cement-base composite material cumulative volume.
3. but the permanent column template of a kind of bolt interconnection system assembly unit anti-cracking and seepage control according to claim 2; It is characterized in that: said superhigh tenacity cement-base composite material uses vinal, when three kinds of fibers of polyethylene fiber peacekeeping aromatic polyamide fibre strengthen simultaneously, and its proportioning is:
Each components by weight of cement and active mineral admixture is: cement 25%, flyash 60%, silicon ash 2%, granulated blast-furnace slag 8%, metakaolin 5%;
The maximum particle diameter of aggregate is 0.5mm, and aggregate weight is 40% with the ratio that cement adds the active mineral admixture gross weight, and the weight of water is 25% ~ 45% with the ratio that cement adds the active mineral admixture gross weight; The volume of fiber is 1.8% ~ 2.3% of a cement-base composite material cumulative volume;
The polyethylene fibre length that adopts is 12mm, and diameter is 0.039mm, and tensile strength is 1620MPa, and modulus of elasticity is 42.8GPa, and ultimate elongation is 6%, and volume is 1.2% ~ 1.5% of a cement-base composite material cumulative volume; Polyethylene fibre length is 12.7mm, and diameter is 0.038mm, and tensile strength is 2700MPa, and modulus of elasticity is 120GPa, and ultimate elongation is 3.5%, and volume is 0.4% ~ 0.9% of a cement-base composite material cumulative volume; Aromatic polyamide fibre length is 15mm, and diameter is 0.015mm, and tensile strength is 2800MPa, and modulus of elasticity is 132GPa, ultimate elongation 2.4%, and volume is 0.2% ~ 0.4% of a cement-base composite material cumulative volume.
4. but the permanent column template of a kind of bolt interconnection system assembly unit anti-cracking and seepage control according to claim 2 is characterized in that: when described cement-base composite material used vinal and two kinds of fibers of aromatic polyamide fibre to strengthen simultaneously, its proportioning was:
Each components by weight of cement and active mineral admixture is: cement 30%, flyash 52%, granulated blast-furnace slag 3%, metakaolin 15%;
The maximum particle diameter of aggregate is 0.5mm, and aggregate weight is 65% with the ratio that cement adds the active mineral admixture gross weight, and the weight of water is 20% ~ 55% with the ratio that cement adds the active mineral admixture gross weight; The volume of fiber is 1.8% ~ 2.2% of a cement-base composite material cumulative volume;
The vinal length that adopts is 12mm, and diameter is 0.039mm, and tensile strength is 1620MPa, and modulus of elasticity is 42.8GPa, and ultimate elongation is 6%, and volume is 1.6% ~ 2.0% of a cement-base composite material cumulative volume; Aromatic polyamide fibre length is 15mm, and diameter is 0.015mm, and tensile strength is 2800MPa, and modulus of elasticity is 132GPa, ultimate elongation 2.4%, and volume is 0.2% ~ 0.4% of a cement-base composite material cumulative volume.
5. but the permanent column template of a kind of bolt interconnection system assembly unit anti-cracking and seepage control according to claim 2 is characterized in that: when described cement-base composite material used vinal and two kinds of fibers of polyethylene fibre to strengthen simultaneously, its proportioning was:
Each components by weight of cement and active mineral admixture is: cement 55%, flyash 45%; The model of said cement is P.II 52.5 R;
The maximum particle diameter of aggregate is 0.5mm, and the weight of aggregate is 50% with the ratio that cement adds the active mineral admixture gross weight, and the weight of water is 40% ~ 55% with the ratio that cement adds the active mineral admixture gross weight; The volume of fiber is 1.8% ~ 2.2% of a cement-base composite material cumulative volume;
The vinal length that adopts is 12mm, and diameter is that 0.039mm, tensile strength are that 1620MPa, modulus of elasticity are that 42.8GPa, ultimate elongation are 6%, and volume is 1.2% ~ 1.9% of a fibrous concrete cumulative volume; Polyethylene fibre length is 12.7mm, and diameter is 0.038mm, and tensile strength is 2700MPa, and modulus of elasticity is 120GPa, and ultimate elongation is 3.5%, and volume is 0.3% ~ 0.8% of a cement-base composite material cumulative volume.
6. but the permanent column template of a kind of bolt interconnection system assembly unit anti-cracking and seepage control according to claim 1; It is characterized in that: said non metal fiber woven net and flock combined reinforced concrete base composite material are made up of non metal fiber woven net, nonmetal short fiber and cement based matrix, and said non metal fiber woven net comprises: Carbon Fibre Textile, aramid fiber mesh grid, alkali-resistant glass fibre mesh grid, vinal mesh grid, polyethylene fibre mesh grid or the assorted fibre mesh grid of being processed by above fiber shuffling; Nonmetal short fiber comprises: one or more in vinal, polyethylene fibre, carbon fiber, the aramid fiber; The constituent of cement based matrix comprises: one or more in portland cement, high alumina cement, the sulphate aluminium cement, active mineral fine mineral admixture, and water reducing agent, meticulous sand, said active mineral fine mineral admixture is the material with pozzolanic activity.
7. but the permanent column template of a kind of bolt interconnection system assembly unit anti-cracking and seepage control according to claim 6; It is characterized in that: the material of pozzolanic activity comprises one or more in flyash, silica flour, the granulated blast-furnace slag, and the maximum particle diameter of meticulous sand is less than 0.6mm.
8. but the permanent column template of a kind of bolt interconnection system assembly unit anti-cracking and seepage control according to claim 6; It is characterized in that: in non metal fiber woven net and flock combined reinforced concrete base composite material, the nonmetal short fiber percent by volume of this total composite volume relatively is 1.5 ~ 2.5%.
But 9. the permanent column template of a kind of bolt interconnection system assembly unit anti-cracking and seepage control according to claim 1, it is characterized in that: said first connecting portion is the sidewall shape of panel, and second connecting portion is the sidewall shape of corner pieces; First connecting portion and second connecting portion are reserved bolt connecting hole; The panel inner surface is distributed with some grooves; The inner surface of corner bar is distributed with some grooves.
10. but according to claim 1 or the permanent column template of 9 described a kind of bolt interconnection system assembly unit anti-cracking and seepage controls, it is characterized in that: the said transverse joint of stating between panel staggers mutually, and seam between the corner bar and the transverse joint between panel stagger each other.
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| CN201210294891.7A CN102828578B (en) | 2012-08-17 | 2012-08-17 | A kind of bolt connecting type can assembled anti-cracking and seepage control permanent column shuttering |
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| CN201210294891.7A CN102828578B (en) | 2012-08-17 | 2012-08-17 | A kind of bolt connecting type can assembled anti-cracking and seepage control permanent column shuttering |
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| WO2021212750A1 (en) * | 2020-04-21 | 2021-10-28 | Yin Shiping | Tre-based assembled permanent cylindrical formwork and manufacturing method therefor |
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| CN102828578B (en) | 2016-04-13 |
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