CN204298706U - A kind of reusable steel fiber reinforced concrete prefabricated board - Google Patents
A kind of reusable steel fiber reinforced concrete prefabricated board Download PDFInfo
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- CN204298706U CN204298706U CN201420740607.9U CN201420740607U CN204298706U CN 204298706 U CN204298706 U CN 204298706U CN 201420740607 U CN201420740607 U CN 201420740607U CN 204298706 U CN204298706 U CN 204298706U
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- prefabricated board
- lacing wire
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- fiber reinforced
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Abstract
The utility model discloses a kind of reusable steel fiber reinforced concrete prefabricated board; it comprises the equal leg angle (2) being arranged on prefabricated board (1) corner place; be integrally fixed by dowel (3) spot welding between two adjacent equal leg angles (2); between two dowels (3) be parallel to each other, interstitial row shows lacing wire (4); crossover node place between described lacing wire (4) is fixed by iron wire colligation, and the bottom of described lacing wire (4) is provided with protective layer cushion block.Concrete mixing of steel fiber in the utility model prefabricated board, the expansion of inside concrete microcrack can be hindered and block generation and the development of macrocrack, improve significantly for xoncrete structure tensile strength with primarily of shearing resistance, bending resistance, torsional strength etc. that principal tensile stress controls, its shock resistance, antifatigue, split rear toughness and durability also has larger improvement; Bight weak part adopts angle steel parcel, and angle steel and bar connecting, prefabricated board globality significantly improves.
Description
Technical field
The utility model relates to a kind of reusable steel fiber reinforced concrete prefabricated board, be mainly used in job site, comprise temporary construction road, Lin Jian square etc.
Background technology
Sustainable development and environmental protection are the inexorable trends that economic globalization develops, and green construction is the important embodiment of National Sustainable Development Strategies at engineering construction field.Green construction is socialization, systematization, construction deployment combine with technology imbody, it is by scientific and effective management and control method, rationally reduces natural resources and energy resources consumption.In conjunction with China's national situation, economic development must walk the road of energy-saving low-carbon cycle development, realizes green construction, must promote theory, comprehensive integration optimization, green construction technology of constantly bringing forth new ideas.
At present, because resource consumption increases day by day, environment constantly worsens, and China actively pushes forward the green construction of engineering construction field, improves architectural engineering green construction level.Through development the Eleventh Five-Year Plan period, theory and practice all achieves larger progress, and apply in some Large Construction Enterprises and progressively promote, achieve good economic and social benefit.
China is in economy and develops the stage rapidly, construction project is dispersed throughout each corner of large small city, wherein build road along with construction with facing, the Large scale construction on Lin Jian square and dismounting, result causes discarding building waste in a large number and leaves over, not only serious waste resource, also brings a series of society, economy and environment problem.
For construction road Ji Linjian square in construction project job site, realized green construction, minimizing, industrialized method of construction research less.Because its amount is large, wide, this research not only can improve the theoretical research of facing and building Facilities Construction, transformation, and can save construction cost, improves efficiency of construction, creates more economic and social profit.To sum up, seek a kind of reusable construction road Ji Linjian square to build and remodeling method is very important.
Utility model content
The utility model object is to provide a kind of reusable steel fiber reinforced concrete prefabricated board, and it can solve problem existing in background technology effectively.
In order to solve problem existing in background technology; it comprises the equal leg angle 2 being arranged on prefabricated board 1 four jiaos of places; be integrally fixed by dowel 3 spot welding between two adjacent equal leg angles 2; between two dowels 3 be parallel to each other, interstitial row shows lacing wire 4; crossover node place between described lacing wire 4 is fixed by iron wire colligation, and the bottom of described lacing wire 4 is provided with protective layer cushion block.
The two ends of described lacing wire 4 are respectively equipped with the crotch around dowel 3, and the transfer angle of this crotch is 135 °, and its length is the 10-30% of prefabricated board 1 length.
Owing to have employed above technical scheme, the utility model has following beneficial effect: 1, concrete mixing of steel fiber in prefabricated board, the expansion of inside concrete microcrack can be hindered and block generation and the development of macrocrack, improve significantly for xoncrete structure tensile strength with primarily of shearing resistance, bending resistance, torsional strength etc. that principal tensile stress controls, its shock resistance, antifatigue, split rear toughness and durability also has larger improvement; Bight weak part adopts angle steel parcel, and angle steel and bar connecting, prefabricated board globality significantly improves, thus provides guarantee for the turnover at the construction field (site) of this prefabricated board back and forth uses.
2, building waste Sources decreasing realizes green construction
Building waste Sources decreasing Construction Mode is the rubbish needing to enter refuse disposal system in order to realize industry inner loop and minimizing.In order to effectively realize the building waste minimizing in this pattern, mainly through engineering project inside, construction material is made full use of, thus the workload of obvious emissions reduction and after-treatment building waste.By Optimizing construction technology and green building material Sources decreasing green construction pattern, thus can reach and preserve the ecological environment, economize on resources and reduce building waste discharge capacity.Due to this construction technology strong operability, can significantly reduce building waste output, economize energy, finally realize the object that Engineering Project Construction and ecological environment harmony develop.
3, compared with temporary road on-the-spot with traditional construction, square construction technology, this construction method is by prefabricated board lifting splicing, and can come into operation fast, saved a large amount of man power and materials, be conducive to civilized construction, efficiency of construction increases substantially.Meanwhile, this prefabricated board can have enough to meet the need multiple engineering Reusability, is conducive to building enterprise and reduces costs, and is also conducive to promoting carrying out of novel building temporary facility charter business.
4, building industrialization is produced
Job site is faced construction and is executed, and adopts steel fiber reinforced concrete prefabricated board pavement technique, and can rationalization construct, development of Construction is specialized, improves Mechanization Level, reduces heavy, complicated hand labour and wet trade; Meanwhile, the scale of operation that building components and fittings, goods, device fabrication also form appropriateness can be developed, for construction market provides general building components and fittings and goods.Formulate unified building module and standard (modular coordination, Common Difference & Cooperation, connection etc.), progressively set up and improve product standard, technological standards, engineering method etc., improve constantly building standardization, industrialized level.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model, below in conjunction with accompanying drawing, embodiment is briefly described.
Fig. 1 is structural representation of the present utility model.
Detailed description of the invention
The technological means realized to make the utility model, creation characteristic, reaching object and effect is easy to understand, below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment being clearly and completely described.
Embodiment 1
Referring to Fig. 1; this detailed description of the invention is achieved by the following technical solutions; it comprises the equal leg angle 2 being arranged on prefabricated board 1 four jiaos of places; be integrally fixed by dowel 3 spot welding between two adjacent equal leg angles 2; between two dowels 3 be parallel to each other, interstitial row shows lacing wire 4; crossover node place between described lacing wire 4 is fixed by iron wire colligation, and the bottom of described lacing wire 4 is provided with protective layer cushion block.
The two ends of described lacing wire 4 are respectively equipped with the crotch around dowel 3, and the transfer angle of this crotch is 135 °, and its length is the 10-30% of prefabricated board 1 length.
Embodiment 2
1 prefab-form makes
Temporary road, square prefabricated board side form, bed die can be gathered materials on the spot at the construction field (site), use waste and old template secondary to split out use, side form, bed die inner side brush releasing agent.Template size need meet the requirement of precast slab design size, and ensures side plate, base plate flatness.The concrete prefabricated board produced under this working condition, is mainly applicable to construction enterprises and produces voluntarily, repeatedly has enough to meet the need use voluntarily.
In addition, reusable job site concrete prefabricated board also can be prefabricated in the factory, and carries out marketization buying by being sold to unit in charge of construction or leasing company, renting
2 reinforcing bar bindings
Colligation flow process: first fixed by L80 × 5, prefabricated board four bights equal leg angle, bottom reinforcement bars adopts diameter 8mm one-level steel, and spacing is 150mm, and angle steel and reinforcing bar Nodes adopt and be welded to connect, and other regions are end reinforced bends up 30mm, transfer angle 135 °.The iron wire colligation of reinforcing bar crossover node place.Mounted template is placed reinforced mesh → placement cushion block of concrete bar protective layer, and thickness is not more than 25mm and is not less than 20mm.Prefabricated board is square, length of side 800mm, thickness of slab 120mm.
3 prefabricated boards are built
1. prefabricated board adopts strength grade of concrete to be C25.Adopt portland cement and continuous grading rubble, maximum particle diameter is less than 25mm; Medium coarse sand, clay content is not more than 2%.Wherein volume content of steel fibers is 1.5%, and fiber volume rate represents the volume fraction in the fiber reinforced cement-based composite material of unit volume shared by fiber.
2., after concreting completes, timely secondary finishing is wiped one's face, and wharf's pavement quality is carried out on plate top.
4 prefabricated board maintenance and form removals
Carry out in 12h after concreting covering and water seasoning.The stronger straw mat of water holding capacity or rock wool covering curing is adopted to be no less than 7d.Form removal after concreting 24h.Construction temporary road board concrete intensity need reach designing requirement and can come into operation.
5 base treatment
To draft job site temporary road, square carries out plain native smooth location, thick 3: the 7 grey rammed earths of 300mm, pavement compaction, the thick medium coarse sand bed course of smooth rear paving 30 ~ 50mm, foundation elasticity modulus is more than 40Mpa.
6 prefabricated boards are paved assembled
Prefabricated board pave should accomplish smooth stable, the cementation of fissures (middle fine sand) is full, the phenomenons such as non-loosening, depression, ponding and tilting produce.Its key technical indexes has flatness, the adjacent block discrepancy in elevation, the gradient and longitudinal and transverse seam straight cis degree etc.Relevant every technical parameter index tolerance is shown in Table 1.
Table 1 SFRC prefabricated board is mated formation tolerance
Last it is noted that above embodiment is only in order to illustrate the technical solution of the utility model, be not intended to limit; Although be described in detail the utility model with reference to previous embodiment, those of ordinary skill in the art is to be understood that, it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of each embodiment technical scheme of the utility model.
Claims (2)
1. a reusable steel fiber reinforced concrete prefabricated board; it is characterized in that it comprises the equal leg angle (2) being arranged on prefabricated board (1) corner place; be integrally fixed by dowel (3) spot welding between two adjacent equal leg angles (2); between two dowels (3) be parallel to each other, interstitial row shows lacing wire (4); crossover node place between described lacing wire (4) is fixed by iron wire colligation, and the bottom of described lacing wire (4) is provided with protective layer cushion block.
2. the reusable steel fiber reinforced concrete prefabricated board of one according to claim 1, it is characterized in that the two ends of described lacing wire (4) are respectively equipped with the crotch around dowel (3), the transfer angle of this crotch is 135 °, and its length is the 10-30% of prefabricated board (1) length.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420740607.9U CN204298706U (en) | 2014-11-21 | 2014-11-21 | A kind of reusable steel fiber reinforced concrete prefabricated board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420740607.9U CN204298706U (en) | 2014-11-21 | 2014-11-21 | A kind of reusable steel fiber reinforced concrete prefabricated board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204298706U true CN204298706U (en) | 2015-04-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420740607.9U Expired - Fee Related CN204298706U (en) | 2014-11-21 | 2014-11-21 | A kind of reusable steel fiber reinforced concrete prefabricated board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204298706U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105781007A (en) * | 2016-04-26 | 2016-07-20 | 镇江港和新型建材有限公司 | Concrete prefabricated wall body convenient to fix |
-
2014
- 2014-11-21 CN CN201420740607.9U patent/CN204298706U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105781007A (en) * | 2016-04-26 | 2016-07-20 | 镇江港和新型建材有限公司 | Concrete prefabricated wall body convenient to fix |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150429 Termination date: 20151121 |
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| EXPY | Termination of patent right or utility model |