CN201981779U - Prefabrication stressed template made from composite materials - Google Patents

Prefabrication stressed template made from composite materials Download PDF

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Publication number
CN201981779U
CN201981779U CN2011200664767U CN201120066476U CN201981779U CN 201981779 U CN201981779 U CN 201981779U CN 2011200664767 U CN2011200664767 U CN 2011200664767U CN 201120066476 U CN201120066476 U CN 201120066476U CN 201981779 U CN201981779 U CN 201981779U
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CN
China
Prior art keywords
formwork
template
prefabricated
semi
composite material
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Expired - Fee Related
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CN2011200664767U
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Chinese (zh)
Inventor
方海
刘伟庆
陈向前
张旻辉
陆伟东
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Nanjing Tech University
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Nanjing Tech University
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Priority to CN2011200664767U priority Critical patent/CN201981779U/en
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Publication of CN201981779U publication Critical patent/CN201981779U/en
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Abstract

The utility model discloses a prefabrication stressed template made from composite materials, which comprises a template shell (1). The template shell (1) is a semi-closed cavity with an upper opening. Core materials (2) are embedded in the template shell (1). Shear keys (4) are arranged on the lateral sides of the template shell (1) at intervals along the longitudinal direction of the semi-closed cavity of the template shell (1). The shear keys (4) are horizontally arranged at the middle-upper portions of the lateral walls of the template shell (1). Two ends of each shear key (4) penetrate through the lateral walls of the template shell (1) which is in a shape of a straight beam or a cross beam. The prefabrication stressed template has functions of a template and a stress component without removing the template during project. The template shell utilizes resin matrix fiber composite materials with light-weight, corrosion resistance and excellent mechanical properties, thereby being capable of better meeting requirements of projects with high stress strength. The prefabrication stressed template made from the composite materials is fast and convenient to produce, has integrated structure, can be directly conveyed to the scene to use after being produced in factories, is convenient to construct and lay, and can be made into various shapes according to the requirements of practical projects.

Description

The prefabricated stressed template of a kind of composite material
Technical field
The utility model relates to engineering construction field, refers in particular to a kind of one-body molded, lightweight, the prefabricated stressed template of high-strength, corrosion resistant composite material, specifically a kind of prefabricated stressed template of composite material that has template and primary structure member function concurrently.
Background technology
Template is the important construction tool that has a large capacity and a wide range in the reinforced concrete structure building.Economically, form work engineering accounts for reinforced concrete work expense 20%~30%, 30%~40% of the amount of labour used, about 50% of duration.Therefore promoting the technological progress of form work engineering, reduce propping up of template and tear the amount of labour used open, is the important channel of reducing the form work engineering expense, improving concrete engineering quality, also is an importance that advances China's Building technology progress.The traditional construction formwork of China mainly contains wooden form, steel form, steel wood hybrid template at present.The wooden form number of turnover is low, comes unstuck easily, plays drum, flakes, distortion.The steel form piece is many, and the big transportation of yielding and weight is inconvenient.It is veneer, the lumps of wood of main material that steel wood hybrid template adopts in a large number with timber, and utilization rate is low again, causes the destruction Of resources easily, and template system is system not, and site operation exists random, and steel pipe waste simultaneously is serious, labour demand is big, is unfavorable for the plant equipment installation.At the various defectives that above-mentioned construction formwork exists, utilizing the new material construction formwork is the important method of improving form work engineering, also is the important directions of following form work engineering development.
Common bridge engineering construction, often need set up support, as working platform, beam is installed on rack beam then, is followed closely base plate on the beam, the side template and the bridge deck base plate of girt strip is installed then thereon, whole process very complicated, engineering time and human cost are all than higher, and full framing has influenced the traffic conditions in the bridge construction simultaneously.Simultaneously, along with developing rapidly of modern industry science and technology, the clean factory of increasing electronics factory building has appearred, their span is generally bigger, and be strict with cleaning and be not stained with dirt, simultaneously air quantity, air-flow and humiture etc. all there are strict qualification, guarantee that the product of producing is still possessed high precision under suitable dust particle and noxious air content, constant temperature and constant humidity environment.
Summary of the invention
The purpose of this utility model is the defective that exists at existing mould plate technique, provides that a kind of speed of production is fast, one-body molded, convenience is arranged in construction, time and labour saving, attractive in appearance, anticorrosion, the prefabricated stressed template of composite material that cleans and have concurrently template and primary structure member function.
The purpose of this utility model solves by the following technical programs:
The prefabricated stressed template of a kind of composite material, comprise formwork, described formwork is the semi-enclosed cavity of upper opening, formwork is embedded with sandwich material, the longitudinal separation of the sidewall upper edge formwork semi-enclosed cavity of formwork is provided with shear connector, described shear connector is horizontally installed on the middle and upper part of formwork sidewall, and the sidewall of formwork is run through at the two ends of shear connector.
Described formwork be shaped as straight beam or nine-squares beam.
The semi-enclosed cavity inwall of described formwork is provided with protruded object.
Described protruded object be shaped as right angle protruded object or obtuse angle protruded object.
Described formwork and protruded object adopt the resin-based fibrous composite to make; Described resin-based fibrous composite comprises glass fiber and resin, glass fiber in the resin-based fibrous composite adopt single shaft to, twin shaft to, multiaxis to layout, the resin in the resin-based fibrous composite adopts unsaturated polyester (UP), vinylite, epoxy resin or phenolic resins.
Described sandwich material is light wood, foam or resin-based fibrous composite; Described light wood comprises paulownia wood, China fir and oak, and described foam comprises polyurethane foam and polyvinyl chloride foam, and described resin-based fibrous composite comprises glass fiber and resin.
Described shear connector adopts the indented bars or the steel pipe of stainless steel, and the two ends of shear connector are anchored at the sidewall outside of formwork with nut or welding.
Fill concrete in the semi-enclosed cavity of described formwork.
Be provided with reinforced frame in the described formwork semi-enclosed cavity, described reinforced frame is made up of steel bar stress that vertically is provided with along the formwork semi-enclosed cavity and the stirrup that is wrapped on the steel bar stress.
The utility model has following advantage compared to existing technology:
1, prefab form of the present utility model has the function of template and primary structure member concurrently, need not the form removal operation in engineering; Formwork adopts lightweight, corrosion-resistant, resin-based fibrous composite that mechanical property is superior, is well positioned to meet the requirement of engineering that is subjected to force intensity big.
2, formwork production of the present utility model is quick and convenient, one-body molded, can directly transport on-the-spot the use after produce in factory is finished to, and construction is laid conveniently, the time and labour saving.
3, formwork of the present utility model can be made into different shapes such as straight beam or well beam according to the needs of actual engineering, satisfies the actual needs of different engineerings.
4, formwork surface aesthetic of the present utility model, anticorrosion, cleaning are difficult for being stained with dirt, can fully satisfy the requirement of e-factory toilet to dust, air-flow etc.
Description of drawings
Accompanying drawing 1 is one of structural representation of the present utility model;
Accompanying drawing 2 is two of a structural representation of the present utility model;
Accompanying drawing 3 is the structural representation when in the formwork cavity of the present utility model reinforced frame being set;
Structural representation when accompanying drawing 4 is the resin-based fibrous composite for sandwich material of the present utility model;
Accompanying drawing 5 is one of straight beam formwork structure schematic diagram of the present utility model;
Accompanying drawing 6 is two of a straight beam formwork structure schematic diagram of the present utility model;
Accompanying drawing 7 is a nine-squares beam formwork structure schematic diagram of the present utility model;
Accompanying drawing 8 is a nine-squares beam transverse sectional view of the present utility model;
The schematic diagram that accompanying drawing 9 uses in bridge engineering for straight beam of the present utility model;
The schematic diagram that accompanying drawing 10 uses in bridge engineering for nine-squares beam of the present utility model;
The schematic diagram that accompanying drawing 11 uses in Industrial Plant for nine-squares beam of the present utility model.
Wherein: 1-formwork; 2-sandwich material; 3-protruded object; 4-shear connector; 5-concrete; 6-reinforced frame.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is further described.
Shown in Fig. 1-8: the prefabricated stressed template of a kind of composite material, comprise formwork 1, formwork 1 is the semi-enclosed cavity of upper opening, be embedded with sandwich material 2 at formwork 1, vertical shear connector 4 that is horizontally installed on formwork 1 sidewall middle and upper part that also is arranged at intervals with in the sidewall upper edge of formwork 1 formwork 1 semi-enclosed cavity, adopt the indented bars of stainless steel or shear connector 4 two ends that steel pipe is made to run through the sidewall of formwork 1 and be anchored at the sidewall outside of formwork 1, be used for fill concrete 5 in the semi-enclosed cavity of formwork 1 with nut or welding.Also be provided with right angle or obtuse angle protruded object 3 on the semi-enclosed cavity inwall of formwork 1, formwork 1 and protruded object 3 all adopt the resin-based fibrous composite to make, wherein the resin-based fibrous composite comprises glass fiber and resin, glass fiber in the resin-based fibrous composite adopt single shaft to, twin shaft to, multiaxis to layout, the resin in the resin-based fibrous composite adopts unsaturated polyester (UP), vinylite, epoxy resin or phenolic resins; In addition when the concrete 5 that is provided with in the cavity is ordinary concrete, consider from the angle of stressed safety, also can in the semi-enclosed cavity of formwork 1, be provided with reinforced frame 6, reinforced frame 6 is made up of steel bar stress that vertically is provided with along formwork 1 semi-enclosed cavity and the stirrup that is wrapped on the steel bar stress, in order to strengthen the prefabricated stressed template strength of composite material of the present utility model.
The sandwich material 2 that uses above can be light wood, foam or resin-based fibrous composite; In general use the interlayer in light wood and the foam-filled formwork 1, wherein light wood comprises paulownia wood, China fir and oak, and foam comprises polyurethane foam and polyvinyl chloride foam; But, can use above-mentioned resin-based fibrous composite to fill interlayer when for the rigidity that strengthens formwork 1 with when reducing the interface number of plies of formwork 1.Formwork 1 recited above and sandwich material 2 all are prepared from by vacuum guiding and forming technique.Generally speaking, the concrete 5 that is provided with in the cavity is foam concrete such as cement foam concrete, gypsum foam concrete, volcano grey matter cementitious materials foam concrete.
Above-mentioned described formwork 1 be shaped as straight beam or nine-squares beam.Does not extend to horizontal direction on the top that can be considered its semi-enclosed cavity of the formwork 1 of straight beam shape, the cross-sectional structure schematic diagram that is the prefabricated stressed template of straight beam type shown in Figure 2, the structural representation that is the prefabricated stressed template of straight beam type shown in Figure 5; The semi-enclosed cavity top of the formwork 1 that straight beam adopted in addition can be parallel continuous after horizontal direction is extended, also can get a kind of special straight beam form, structural representation as shown in Figure 6, this form also can be regarded be arranged in parallel surface layer that the back uses the resin-based fibrous composite identical with formwork 1 material to make of a plurality of straight beam shape formworks 1 as and be interconnected and make, and Fig. 8 can be considered the lateral cross section structural representation of the prefabricated stressed template of straight beam type of this special construction.The formwork 1 that nine-squares beam shape formwork 1 can be considered straight beam shape connects and the surface layer that uses the resin-based fibrous composite identical with formwork 1 material to make on the top of semi-enclosed cavity interconnects and makes along direction quadrature in length and breadth, the semi-enclosed cavity top that also can regard formwork 1 as links to each other in length and breadth after horizontal direction is extended and makes, Fig. 7 is the structural representation of nine-squares beam shape formwork 1, and same Fig. 8 also can be considered the nine-squares beam shape formwork edge cross section structure schematic diagram of direction in length and breadth.In the production of reality, no matter be protruded object 3 that is provided with on the formwork 1 of nine-squares beam and straight beam shape and the sandwich material 2 that is embedded with, the cavity inner wall and the shear connector 4 that is provided with, all can be one-body molded, produce fast.
Embodiment 1
Be illustrated in figure 9 as the schematic diagram that straight beam of the present utility model uses in bridge engineering, when the prefabricated stressed template of composite material is used for bridge engineering, vertically get one and stride 9 meters of bridge lengths, laterally get 3.75 meters of bicycle road width, with the straight beam shape formwork 1 of some keep at a certain distance away vertically be held on bridge pier bearing pad after filled and process concrete 5 get final product.The formwork 1 that the resin-based fibrous composite is made is to be formed by glass fiber and resin solidification, formwork 1 embedded sandwich material 2 uses the paulownia wood core simultaneously, the right angle protruded object 3 of some is set in the semi-enclosed cavity of formwork 1, the material of right angle protruded object 3 is identical with formwork 1, form the adhesion strengths at interfaces in order to 5 backs of filled and process concrete in the semi-enclosed cavity that strengthens formwork 1 and formwork 1, and steel pipe shear connector 4 is set at a certain distance in the inside of formwork 1.
Embodiment 2
The schematic diagram that in bridge engineering, uses for nine-squares beam of the present utility model as shown in figure 10, when the prefabricated stressed template of composite material is used for bridge engineering, vertically get one and stride 9 meters of bridge lengths, laterally get 3.75 meters of bicycle road width, the formwork 1 back filled and process concrete 5 of directly laying the nine-squares beam shape between bridge pier gets final product.The formwork 1 that the resin-based fibrous composite is made is to be formed by glass fiber and resin solidification, formwork 1 embedded sandwich material 2 uses the paulownia wood core simultaneously, the right angle protruded object 3 of some is set in the semi-enclosed cavity of formwork 1, the material of right angle protruded object 3 is identical with formwork 1, form the adhesion strengths at interfaces in order to 5 backs of filled and process concrete in the semi-enclosed cavity that strengthens formwork 1 and formwork 1, and steel pipe shear connector 4 is set at a certain distance in the inside of formwork 1.
Embodiment 3
Be illustrated in figure 3 as the cross section structure schematic diagram when in the formwork cavity of the present utility model reinforced frame being set, when the prefabricated stressed template of composite material is used for bridge engineering, vertically get one and stride 9 meters of bridge lengths, laterally get 3.75 meters of bicycle road width, between bridge pier, directly lay the formwork 1 of nine-squares beam shape.The formwork 1 that the resin-based fibrous composite is made is to be formed by glass fiber and resin solidification, formwork 1 embedded sandwich material 2 uses the paulownia wood core simultaneously, the right angle protruded object 3 of some is set in the semi-enclosed cavity of formwork 1, the material of right angle protruded object 3 is identical with formwork 1, and steel pipe shear connector 4 is set at a certain distance in the inside of formwork 1, reinforced frame 6 is set in the semi-enclosed cavity of formwork 1 in addition, in order to strengthen the prefabricated stressed template strength of composite material of the present utility model, directly build ordinary concrete 5 then and get final product.
Embodiment 4
The schematic diagram that in Industrial Plant, uses for nine-squares beam of the present utility model as shown in figure 11, when the prefabricated stressed template of composite material is used for electronics factory building or toilet's engineering, getting the post distance is 9 meters, forming the square superstructure of 9m * 9m, is that the formwork 1 of 9 meters square nine-squares beam shape is held on back, quadrangular prism top filled and process concrete 5 by lifting and gets final product with the length of side.The formwork 1 that the resin-based fibrous composite is made is to be formed by glass fiber and resin solidification, formwork 1 embedded sandwich material 2 uses the paulownia wood core simultaneously, the right angle protruded object 3 of some is set in the semi-enclosed cavity of formwork 1, the material of right angle protruded object 3 is identical with formwork 1, form the adhesion strengths at interfaces in order to 5 backs of filled and process concrete in the semi-enclosed cavity that strengthens formwork 1 and formwork 1, and steel pipe shear connector 4 is set at a certain distance in the inside of formwork 1.
The utility model does not relate to the part prior art that maybe can adopt all same as the prior art to be realized.

Claims (9)

1. prefabricated stressed template of composite material, comprise formwork (1), it is characterized in that described formwork (1) is the semi-enclosed cavity of upper opening, formwork (1) is embedded with sandwich material (2), the longitudinal separation of sidewall upper edge formwork (1) semi-enclosed cavity of formwork (1) is provided with shear connector (4), described shear connector (4) is horizontally installed on the middle and upper part of formwork (1) sidewall, and the sidewall of formwork (1) is run through at the two ends of shear connector (4).
2. the prefabricated stressed template of composite material according to claim 1, what it is characterized in that described formwork (1) is shaped as straight beam or nine-squares beam.
3. the prefabricated stressed template of composite material according to claim 1 is characterized in that the semi-enclosed cavity inwall of described formwork (1) is provided with protruded object (3).
4. the prefabricated stressed template of composite material according to claim 3, what it is characterized in that described protruded object (3) is shaped as right angle protruded object or obtuse angle protruded object.
5. the prefabricated stressed template of composite material according to claim 3 is characterized in that described formwork (1) and protruded object (3) adopt the resin-based fibrous composite to make.
6. the prefabricated stressed template of composite material according to claim 1 is characterized in that described sandwich material (2) is light wood, foam or resin-based fibrous composite; Described light wood comprises paulownia wood, China fir and oak, and described foam comprises polyurethane foam and polyvinyl chloride foam.
7. the prefabricated stressed template of composite material according to claim 1 is characterized in that described shear connector (4) adopts the indented bars or the steel pipe of stainless steel, and the two ends of shear connector (4) are anchored at the sidewall outside of formwork (1) with nut or welding.
8. the prefabricated stressed template of composite material according to claim 1 is characterized in that fill concrete (5) in the semi-enclosed cavity of described formwork (1).
9. the prefabricated stressed template of composite material according to claim 1, it is characterized in that being provided with reinforced frame (6) in described formwork (1) semi-enclosed cavity, described reinforced frame (6) is made up of steel bar stress that vertically is provided with along formwork (1) semi-enclosed cavity and the stirrup that is wrapped on the steel bar stress.
CN2011200664767U 2011-03-15 2011-03-15 Prefabrication stressed template made from composite materials Expired - Fee Related CN201981779U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011200664767U CN201981779U (en) 2011-03-15 2011-03-15 Prefabrication stressed template made from composite materials

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Application Number Priority Date Filing Date Title
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102127965A (en) * 2011-03-15 2011-07-20 南京工业大学 Composite precast stressed template

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102127965A (en) * 2011-03-15 2011-07-20 南京工业大学 Composite precast stressed template
CN102127965B (en) * 2011-03-15 2012-12-26 南京工业大学 Composite precast stressed template

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GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20110921

Termination date: 20130315