CN101929243A - Building template provided with water permeable device - Google Patents
Building template provided with water permeable device Download PDFInfo
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- CN101929243A CN101929243A CN 201010224984 CN201010224984A CN101929243A CN 101929243 A CN101929243 A CN 101929243A CN 201010224984 CN201010224984 CN 201010224984 CN 201010224984 A CN201010224984 A CN 201010224984A CN 101929243 A CN101929243 A CN 101929243A
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- water permeable
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Abstract
The invention relates to the building field, aiming at providing a building template provided with water permeable device. The building template comprises a main body template taking anyone of steel, wood, bamboo and plywood as main body, the inner side of the main body template is provided with a water permeable layer, the water permeable layer is distributed with water permeable holes, the water permeable hole can prevent cement particle from passing through, and water and air can pass through; and the main body template is also provided with a water drainage structure communicated with the water permeable hole, and a padding layer having water retention, moisturizing and maintenance functions can be arranged between the water permeable layer and the main body template. By adopting the building template provided with water permeable device in the invention, surface defects of sand hole and crack can be effectively eliminated, the quality of surface concrete can be improved, and the durability of concrete can be improved.
Description
Technical field
The invention belongs to building field, relate to the template that building operations is used, specifically, is a kind of construction formwork with water permeable device.
Background technology
In the life-span of concrete structure, depend on the resistivity of concrete surface layer to a great extent to corrosive medium.Usually in concrete, satisfy the 20-25% that the required water of cement aquation accounts for cement consumption, require required water to account for the 40-75% of cement consumption but satisfy certain construction workability, after concreting work is finished, just become the harmful components in the concrete (evaporation produces hole, produces alkali, corrosion of steel bar etc. with the carbon dioxide acting in conjunction fully) and surpass the needed moisture content of cement aquation.The tower structure house of present stage all need be provided with various construction formworks when building (engineering construction is when building) inside and outside the body of wall (beam body or cylinder) of cement injection, after perfusion again with each form removable; Traditional template foot is fluid-tight by material such as steel plate, veneering plates.In concreting process, because the effect of vibrating, water, air and the material that some are lighter can gather to the interface, too much like this air and moisture, strengthen the water/binder ratio (reduction cement factor) on top layer, reduced the top layer quality of concrete, formed defectives such as sand holes, crack, pore, and, accelerated the aggressivity material to reinforcing bar and concrete structural deterioration for corrosive medium provides passage to concrete substrate infiltration, migration.Because the shortcoming of common templates, these problems are to increase concrete intensity by using dissimilar cement, or solve by the chemical admixture that adds any amount mystery.
Last century, the eighties abroad once occurred pasting the example that the template applications that absorbs water on the steel form and seep water obtains good effect in the engineering with woven lining, begin flourish to the nineties, enter domestic application about 2000, go out fabric of the same type and begin to be applied in the engineering by Zhejiang University and applicant (the rich traffic engineering Materials Co., Ltd of Hangzhou silver) joint research and development in 2005, and obtained good effect.But, above-mentioned permeable template all is as lining with fabric, paste and form on the steel form, because the characteristic of fabric fibre, determined this permeable template system can not withstand high temperatures, the welding slag that drops in the construction and collide with etc. and all can destroy fabric fibre, and in actual engineering construction, be subjected to the several factors restriction, be difficult to reuse, sticking construction also comparatively bothers, and the applicant that therefore awaits is further improved.
Summary of the invention
The objective of the invention is in order to overcome deficiency of the prior art, a kind of construction formwork with water permeable device is provided, can extensive use bridge tunnel engineering (bridge pier, crossbeam, rib, protective guard, dome etc.), sewage disposal device and treatment box, filtered water tank, dam, gate, Ship Structure, urban viaduct and other need the concrete component of fine surface.
For achieving the above object, technical scheme of the present invention is as follows:
A kind of construction formwork with water permeable device, comprise based on any the main body template in steel, wood, bamboo, the veneer, the inboard of described main body template is provided with pervious layer, be distributed with permeable aperture on the described pervious layer, described permeable aperture can stop passing through of cement granules, but can see through water and air; On described main body template, also be provided with the discharge structure that communicates with permeable aperture.
As a further improvement on the present invention, the aperture of described permeable aperture is not more than 60 μ m.
As a further improvement on the present invention, described pervious layer is that stainless sheet steel or stainless (steel) wire material constitute, and stablize, be evenly distributed in the aperture, acidproof, alkaline-resisting, do not have high low temperature limitation, and construction adaptability is strong; This laggard hole of working of filtration beds dismounting, cleaning can be used repeatedly.
As a further improvement on the present invention, the discharge structure on the described main body template is the drainage groove that concaveconvex structure forms, and the moisture content that can will ooze out pervious layer is discharged the outside of template.
As a further improvement on the present invention, described drainage groove is rectilinear guiding gutter, is provided with drain hole in the described guiding gutter.
As a further improvement on the present invention, described guiding gutter is staggered to be arranged, and at each place, crosspoint described drain hole is set.
As a further improvement on the present invention, also be provided with the padding layer of water conservation moisture-keeping maintaining effect between described pervious layer and the described main body template.
As a further improvement on the present invention, described padding layer is made of the fibrous material with absorbing and holding water property.
Use the construction formwork of band water permeable device of the present invention, when fluid concrete, get rid of being enriched in its surperficial water and air, driving cement granules in the time of water seepage moves to concrete surface, reduced the water/binder ratio in concrete surface zone, pore reduces, the internal construction densification; Simultaneously under scavenging action, concreting top layer bubble is difficult to retain, and meetings such as the hole that the bubble discharge is produced, pore are filled by the cement particulate of being carried secretly in the concrete drainage procedure, form rich cement paste layer at concrete surface layer, it is top-quality that thereby the concrete that makes the top layer becomes in the total thing, improve case hardness, tensile strength and abrasion resistance, reduce the critical aperture, improve permeability resistance, anti-medium invasive; Because reduced the intrusion of moisture content, obviously improve the frost resistance of concrete structure, can eliminate surface blemishes such as sand holes, crackle simultaneously.
In sum, use the construction formwork of band water permeable device of the present invention after, can obviously improve the top layer quality of concrete, improve concrete durability, compared with prior art, be embodied in:
1. can make concrete surface greatly reduce sand holes and crackle;
2. improved top layer density, made concrete surface layer densification, solid, even, make concrete structure abrasion resistance, erosive wear resistance be improved significantly; Prolong the application life of concrete structure because of the infiltration that has suppressed inorganic salts, oxygen, moisture and carbon dioxide;
3. can resist external erosion, the diffusion of Corrosion Protection height, particularly chlorion;
4. owing to do not had sand holes and crack, make the quite dense of concrete surface, residues such as oils have been reduced on the surface, have just reduced the chance of microbial growth; Thereby reduce bacterium and algal grown, promptly reduced pollution;
5. whole cost lowers, and the expense of follow-up maintenance significantly reduces;
6. use permeable template of the present invention can increase surface tension, guarantee that surface coating more can be attached on concrete surface; Before coating application, needn't make to beat husky operation, optimal carrier when being surfacing;
7. quick construction is simple, and product is reusable, can save cost;
8. do not need remover, make things convenient for demoulding;
9. with common inexpensive template, template is not because of needing directly to contact concrete, so the access times of turnover also can increase relatively;
10. save the expense of repairing sand holes and crackle.
Description of drawings
Fig. 1 is the structural representation of the specific embodiment of the invention.
Fig. 2 for the present invention not with the structural representation of the specific embodiment of padding layer.
Fig. 3 is the plane structure schematic diagram of main body template among Fig. 1.
Among the figure: 1 pervious layer, 2 main body templates, 3 permeable apertures, 4 guiding gutters, 5 drain holes, 6 padding layer.
The specific embodiment
The present invention is described in further detail below in conjunction with the drawings and specific embodiments:
As shown in Figure 1, the construction formwork of band water permeable device of the present invention, its main body template 2 is a steel form, steel form is provided with guiding gutter 4 and drain hole 5, as shown in Figure 3, guiding gutter 4 is anyhow and is staggered, and at each staggered (fork) some place drain hole 5 is set, and can see through outside the unnecessary mixing water discharge template of pervious layer 1; The inboard of steel form is with one deck pervious layer 1, and this pervious layer 1 is made by stainless sheet steel, and is acidproof, alkaline-resisting, do not have high low temperature limitation, and can use repeatedly; Evenly being covered with the aperture on stainless sheet steel is the permeable aperture 3 of 30 μ m, and these apertures can stop passing through of cement granules effectively.
In this case, also be provided with one deck padding layer 6 between pervious layer 1 and the main body template 2, form by fibrous material with absorbing and holding water property, play the effect of water conservation moisture-keeping maintaining, cause the too fast loss of moisture content to prevent under arid or some low-humidity environment condition, to use.In the practice of construction, unnecessary mixing water, bubble passes the stainless sheet steel filtration beds and enters padding layer 6 during concreting, some self-restraint in the moisture are in padding layer 6, remaining moisture oozes out the template outside along guiding gutter on the steel form 4 and drain hole 5, guarantees that like this concrete on top layer before the demoulding is in the maintenance state of high humility always.After unnecessary mixing water was discharged, the ratio W/C value of concrete surface layer water and cement just reduced, and the top layer compactness increases, and has improved concrete intensity and tear resistance; Reduce the critical aperture, improve permeability resistance, anti-medium dipped type,, obviously improve the frost resistance of concrete structure, guarantee also that in addition concrete keeps high humility between curing time, crack risk and minute crack are reduced to minimum because of having reduced the immersion of moisture content; Simultaneously can eliminate surface blemishes such as sand holes, crackle, effectively improve the top layer quality of concrete, improve concrete durability.
A kind of specific embodiment that the present invention that shown in Figure 2 is popularizes the most, wherein stainless steel filters pervious layer 1 and directly fits with steel form 2, and padding layer 6 is not set, and makes unnecessary mixing water directly be seeped into the outside of template 2, simple and convenient practicality by pervious layer 1.
At last, it should be noted that above what enumerate only is 2 kinds of specific embodiments of the present invention.Obviously, the present invention is not limited to above embodiment, and a lot of distortion can also be arranged.All distortion that those of ordinary skill in the art can directly derive from content disclosed by the invention or associate all should be thought protection scope of the present invention.
Claims (8)
1. construction formwork with water permeable device, comprise based on any the main body template in steel, wood, bamboo, the veneer, it is characterized in that, the inboard of described main body template (2) is provided with pervious layer (1), be distributed with permeable aperture (3) on the described pervious layer (1), described permeable aperture (3) can stop passing through of cement granules, but can see through water and air; On described main body template (2), also be provided with the discharge structure that communicates with described permeable aperture (3).
2. the construction formwork of band water permeable device according to claim 1 is characterized in that, the aperture of described permeable aperture (3) is not more than 60 μ m.
3. the construction formwork of band water permeable device according to claim 1 and 2 is characterized in that, described pervious layer (1) is that stainless sheet steel or stainless (steel) wire material constitute.
4. the construction formwork of band water permeable device according to claim 1 is characterized in that, the discharge structure on the described main body template (2) is the formed drainage groove of concaveconvex structure, and the moisture content that can will ooze out pervious layer (1) is discharged the template outside.
5. the construction formwork of band water permeable device according to claim 4 is characterized in that, described drainage groove is rectilinear guiding gutter (4), is provided with drain hole (5) in the described guiding gutter (4).
6. the construction formwork of band water permeable device according to claim 5 is characterized in that, described guiding gutter (4) is staggered to be arranged, and at each place, crosspoint described drain hole (5) is set.
7. according to the construction formwork of each described band water permeable device in the claim 1 to 6, it is characterized in that, also be provided with the padding layer (6) of water conservation moisture-keeping maintaining effect between described pervious layer (1) and the described main body template (2).
8. the construction formwork of band water permeable device according to claim 7 is characterized in that, described padding layer (6) is made of the fibrous material with absorbing and holding water property.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010224984 CN101929243A (en) | 2010-07-12 | 2010-07-12 | Building template provided with water permeable device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010224984 CN101929243A (en) | 2010-07-12 | 2010-07-12 | Building template provided with water permeable device |
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| CN101929243A true CN101929243A (en) | 2010-12-29 |
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| CN 201010224984 Pending CN101929243A (en) | 2010-07-12 | 2010-07-12 | Building template provided with water permeable device |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102661036A (en) * | 2012-05-15 | 2012-09-12 | 江苏博特新材料有限公司 | Permeable formwork liner and preparation method thereof |
| CN104878920A (en) * | 2015-05-07 | 2015-09-02 | 成都聚智工业设计有限公司 | Steel formwork structure |
| CN109518936A (en) * | 2018-11-07 | 2019-03-26 | 荆门它山之石电子科技有限公司 | A kind of building form |
| CN109853472A (en) * | 2019-04-04 | 2019-06-07 | 无锡卡麦尔工程科技有限公司 | A kind of river levee construction controlled permeability form lining |
| CN110409796A (en) * | 2019-07-23 | 2019-11-05 | 中交第二航务工程勘察设计院有限公司 | A kind of permeable steel template structure and construction method |
| CN110630289A (en) * | 2019-08-30 | 2019-12-31 | 中国水利水电第五工程局有限公司 | Method for eliminating bubbles at bottom of needle beam trolley |
| CN112227209A (en) * | 2020-09-25 | 2021-01-15 | 辽宁省交通高等专科学校 | Special formwork for concrete column in tidal range area |
| CN112360141A (en) * | 2020-12-07 | 2021-02-12 | 张光强 | Moisturizing maintenance formula concrete placement mould |
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| CN2268081Y (en) * | 1994-08-31 | 1997-11-19 | 清华大学 | Pervious formwork |
| CN2756750Y (en) * | 2003-11-06 | 2006-02-08 | 陈绍华 | Composite microporous film air penetration and water permeating concrete formwork cushion |
| CN2895499Y (en) * | 2006-03-10 | 2007-05-02 | 王燕飞 | Multifunction formboard cloth |
| CN201152019Y (en) * | 2007-11-30 | 2008-11-19 | 武汉莱泰科技有限公司 | Hollow fiber moisture-keeping -type formwork lining cloth for concrete structural construction |
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2010
- 2010-07-12 CN CN 201010224984 patent/CN101929243A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2268081Y (en) * | 1994-08-31 | 1997-11-19 | 清华大学 | Pervious formwork |
| CN2756750Y (en) * | 2003-11-06 | 2006-02-08 | 陈绍华 | Composite microporous film air penetration and water permeating concrete formwork cushion |
| CN2895499Y (en) * | 2006-03-10 | 2007-05-02 | 王燕飞 | Multifunction formboard cloth |
| CN201152019Y (en) * | 2007-11-30 | 2008-11-19 | 武汉莱泰科技有限公司 | Hollow fiber moisture-keeping -type formwork lining cloth for concrete structural construction |
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| Title |
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| 《今日科苑》 20091231 刘燕,何炬 新型透水模板性能对比研究 第38页 , 2 * |
| 《施工技术》 20080630 韩伟等 滤水模板的研制及其在工程中的应用 第37卷, 第6期 2 * |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102661036A (en) * | 2012-05-15 | 2012-09-12 | 江苏博特新材料有限公司 | Permeable formwork liner and preparation method thereof |
| CN102661036B (en) * | 2012-05-15 | 2015-05-20 | 江苏苏博特新材料股份有限公司 | Permeable formwork liner and preparation method thereof |
| CN104878920A (en) * | 2015-05-07 | 2015-09-02 | 成都聚智工业设计有限公司 | Steel formwork structure |
| CN109518936A (en) * | 2018-11-07 | 2019-03-26 | 荆门它山之石电子科技有限公司 | A kind of building form |
| CN109853472A (en) * | 2019-04-04 | 2019-06-07 | 无锡卡麦尔工程科技有限公司 | A kind of river levee construction controlled permeability form lining |
| CN110409796A (en) * | 2019-07-23 | 2019-11-05 | 中交第二航务工程勘察设计院有限公司 | A kind of permeable steel template structure and construction method |
| CN110409796B (en) * | 2019-07-23 | 2024-04-30 | 中交第二航务工程勘察设计院有限公司 | Water-permeable steel template structure and construction method |
| CN110630289A (en) * | 2019-08-30 | 2019-12-31 | 中国水利水电第五工程局有限公司 | Method for eliminating bubbles at bottom of needle beam trolley |
| CN112227209A (en) * | 2020-09-25 | 2021-01-15 | 辽宁省交通高等专科学校 | Special formwork for concrete column in tidal range area |
| CN112360141A (en) * | 2020-12-07 | 2021-02-12 | 张光强 | Moisturizing maintenance formula concrete placement mould |
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Application publication date: 20101229 |