CN101225715A - HDPE film flexible structure bottom board pool and construction method thereof - Google Patents
HDPE film flexible structure bottom board pool and construction method thereof Download PDFInfo
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- CN101225715A CN101225715A CNA2008100591909A CN200810059190A CN101225715A CN 101225715 A CN101225715 A CN 101225715A CN A2008100591909 A CNA2008100591909 A CN A2008100591909A CN 200810059190 A CN200810059190 A CN 200810059190A CN 101225715 A CN101225715 A CN 101225715A
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Abstract
The invention discloses a bottom board pool with HDPE film flexible structure and the onstruction method, comprising a reinforced concrete pool wall, a reinforced concrete bottom board and a HDPE film bottom board, which is characterized in that a plurality of HDPE lock catches are embedded on the edge of the reinforced concrete bottom board; the HDPE film is welded with the HDPE lock catches; the film is welded with the film. The construction method comprises the following steps: (1) constructing the pool wall and the bottom board; the foundation under the reinforced concrete structure must be strengthened firstly before construction; (2) embedding the HDPE lock catches; (3) cleaning the substrate; (4) lofting and cutting the HDPE film; (5) laying the HDPE film; (6) welding the HDPE film; (7) checking and accepting the HDPE film; (8) covering and protecting the HDPE film. The bottom board pool with HDPE film flexible structure has the advantages of low maintenance cost, fast construction speed, high efficiency, low construction cost, extensive scope of application, small influence for ambient environment and high social and economic benefits.
Description
Technical field
The present invention relates to a kind of pond, particularly a kind of employing HDPE film flexible structure bottom board pool and job practices thereof.
Background technology
Along with socioeconomic growing, the people's environmental protection consciousness is more and more stronger, and the environment-friendly engineering building project is also increasingly extensive; in the big event engineering of water treatment as environment-friendly engineering; need to build a large amount of water conservancy project structure, these structure scale of constructions are huge, and capacity is from 100～30000m
2Not etc., because general engineering of water treatment closes on great river, great river, lake, beach mostly, these areas are ground weaknesses all generally; And large-sized reinforced concrete pond body antiseep requires height, and for the sedimentation of ground, particularly differential settlement is very responsive, will cause structure crack in case sedimentation occurs, seepage, and influence is used.Carry out the ground processing so before large-sized reinforced concrete pond body is built, need to drop into huge fund, when building environment-friendly engineering, expend a large amount of energy, ground is handled the solid that adds in a large number that forms and is formed new underground pollution thing again simultaneously, and these pollute after 1,100 and will exist.
Summary of the invention
The objective of the invention is to overcome deficiency of the prior art, a kind of HDPE film flexible structure bottom board pool is provided.
In order to solve the problems of the technologies described above, the present invention is achieved by the following technical solutions:
A kind of HDPE film flexible structure bottom board pool of the present invention, the pond is made up of steel concrete pool wall, reinforced concrete floor, HDPE film base plate, and the reinforced concrete floor edge is embedded with the HDPE snap close, HDPE film and the welding of HDPE snap close, film and film welding.
Described HDPE snap close is the HDPE material, above smooth, the cross section is the M shape.
The job practices of a kind of HDPE film flexible structure bottom board pool of the present invention may further comprise the steps:
(1) construction reinforced bar concrete-pool-wall and reinforced concrete floor; Earlier the reinforced concrete structure ground is reinforced before the construction;
(2) bury the HDPE snap close underground;
(3) base cleaning;
(4) HDPE film setting-out cutting;
(5) the HDPE film is laid;
(6) HDPE film welding;
(7) the HDPE film is checked and is checked and accepted;
(8) HDPE film covering protection.
The reinforcement means of described step (1) has: bored pile, cement mixing pile, pvc pipe stake.
The method for embedding of described step (2) HDPE snap close comprises: a kind of is before the concreting HDPE snap close to be installed on the cage of reinforcement, snap close installation site and plane requirement for height are accurate, and fixation, prevent from when concreting to produce and move and distortion, and concrete blanking and cause the snap close breakage when vibrating; Second kind is to reserve enough snap close installing spaces when concreting, treat in preformed groove, to water pea gravel concreten after concrete reaches certain intensity, and with the snap close embedding wherein, when adopting this kind method to guarantee to embed snap close the air of snap close below is discharged as far as possible.
In described step (3) basic unit layer of sand can be set.
Described step (3) groundwater table is lower than and is no less than 50cm below the basic unit.
Described step (4) is according to reinforced concrete floor shape cutting HDPE film.
The welding of described step (6), the thermal wedge welding machine of use double track forms two weld seams and the cavity that can inflate; At the position that the thermal wedge welding machine can't weld, adopt the extruding fusing soldering welder, be equipped with the welding rod with the raw material homogeneity, form built-up welding and obtain single weld seam.
Described step (8), when on the HDPE film, constructing, the sand of the thick 30cm of film upper caldding layer.
Usefulness of the present invention is:
The HDPE film that HDPE film flexible structure bottom board pool base plate adopts be a kind of with petrochemical industry series products polyvinyl resin be raw material, the macromolecule polymeric material that adopts specific prescription and production technology to make with specific physical chemical property, its intensity height, have superior antiseepage, stretch-proof, performance such as anti-aging and acidproof, alkaline-resisting and anticorrosive, the HDPE film is connected to form the pond body by pre-buried HDPE snap close and steel concrete.Because HDPE film tensile strength can reach 22～45MPa, fracture elongation can reach 200%～900%, and life cycle can reach 50～70 years, does not need to be serviced repairing during this period basically, and upkeep cost is lower.Speed of application is fast, the efficient height, and the plant and the manpower that drop into are few, and construction cost is cheap, and is applied widely, little to surrounding environment influence, has very high economic results in society.
After adopting HDPE film flexible plate structure, steel bar concrete consumption minimizing in pond reaches about 60%, and construction costs saves about 30%.
Description of drawings
Fig. 1 is the structural representation of embodiments of the invention.
Fig. 2 is the HDPE buckle structure schematic diagram of embodiments of the invention.
Fig. 3 is the cutting welding schematic diagram of the HDPE film of embodiments of the invention.
Fig. 4 is the thermal wedge welding schematic diagram of embodiments of the invention.
Fig. 5 is the extruding fusion welding schematic diagram of embodiments of the invention.
The specific embodiment
Below in conjunction with embodiment technical scheme of the present invention is described:
Embodiment 1:
As shown in Figure 1, a kind of HDPE film flexible structure bottom board pool, the pond is made up of steel concrete pool wall 1, reinforced concrete floor 2, HDPE film base plate 3, and reinforced concrete floor 2 edges are embedded with HDPE snap close 4, HDPE film and HDPE snap close welding 8, film and film welding.
According to different grounds, the ground 7 below 2 takes diverse ways to reinforce to steel concrete pool wall 1 and reinforced concrete floor, and bored pile, cement mixing pile, pvc pipe stake etc. are arranged.
HDPE film base plate is for 3 times a layer of sand 5, and layer of sand is nature ground 6 down.
As shown in Figure 2, HDPE snap close 4 is the HDPE material, above smooth, the cross section is the M shape, buries underground in the steel concrete, last plane 40 is concordant with the steel concrete face.
Be illustrated in figure 3 as the cutting welding figure of HDPE film, the pond of a circle, the weld 10 between HDPE film and the film.Central tube 9 is used to settle other devices for keeping for the pole in the pond.
Fig. 4, Fig. 5 are the welding schematic diagram between HDPE film and the film, large-area welding, all use the thermal wedge welding machine (Fig. 4) of double track, form two weld seams 10 and the cavity 11 that can inflate, the position that can't weld for the thermal wedge welding machine, adopt extruding fusing soldering welder (Fig. 5), be equipped with the welding rod with the raw material homogeneity, form built-up welding and obtain single weld seam 10.
Embodiment 2:
A kind of job practices of HDPE film flexible structure bottom board pool may further comprise the steps:
(1) steel concrete wallboard, reinforced concrete floor settlement issues are handled;
Reinforced concrete structure is a rigid structures, and foundation settlement is inhomogeneous can to produce cracking, therefore needs the following ground of this part is reinforced before the pond body is built, and steel concrete pool wall and reinforced concrete floor are reinforced, construction then.Reinforcement means has: bored pile, cement mixing pile, pvc pipe stake etc., take different reinforcement means according to different grounds.
(2) bury the HDPE snap close underground;
The installation of HDPE snap close can be adopted two kinds of forms, a kind of is to be installed in before building concrete on the cage of reinforcement, when adopting this method, snap close installation site and plane elevation require accurately, and fixation, prevent from when building concrete to produce and move and distortion, and concrete blanking and cause the snap close breakage when vibrating; Another kind of mode is to reserve enough snap close installing spaces when building concrete, treats to water pea gravel concreten after concrete reaches certain intensity in preformed groove, and snap close is embedded wherein, when adopting this kind method to guarantee to embed snap close the air of snap close below is discharged as far as possible.
(3) base cleaning;
HDPE film thickness commonly used is 0.25mm～3.0mm, and thinner thickness is easily punctured by basic unit's sharp object, causes seepage, and therefore, it is still higher to the requirement of basic unit, and layer of sand is set under the HDPE film usually.The substrate surface drying that should keep clean, the concrete surface that contacts with the HDPE film should be smooth bright and clean, must not have sharp object to expose, in basic unit and HDPE film construction overall process, guaranteeing that groundwater table is lower than is no less than 50cm below the basic unit, make substrate surface not be subjected to moist influence.
(4) HDPE film setting-out cutting;
Minimum according to the scantling of the shape of antiseepage structure, HDPE film and seam, be convenient to construction, cut out rational principle and determine how to carry out the setting-out cutting.Before formal cutting, should carry out repeated calculation relatively, give full play to product fabric width and the long advantage of volume, reduce stitching capacity and tee T weld seam as far as possible, stop piece bending, overlapping and cross weld seam, determine all minimum or most economical cutting scheme of material usage and fusion length.
(5) the HDPE film is laid;
According to the engineering concrete condition, lay the order and the direction of HDPE film and should carry out according to certain rules, or from extending to another side on one side, or establish along circumferencial direction is auxilliary.During laying, should make adjacent two width of cloth film materials align, take together, and let nature take its course.
(6) HDPE film welding;
The thermal wedge welding machine of double track is all used in large-area welding, forms two weld seams and the cavity that can inflate, for the position that the thermal wedge welding machine can't weld, adopts the extruding fusing soldering welder, is equipped with the welding rod with the raw material homogeneity, and the formation built-up welding obtains single weld seam.Before every day welding, according to factor preset apparatus parameters such as the thickness of film, temperature, wind speed, getting sample carries out test weld, through shear, disbonded test qualified after, locking parameter again, formal welding.The welding procedure of HDPE film is synchronous with laying, spreads a width of cloth and welds a width of cloth.
(7) the HDPE film is checked and is checked and accepted;
Inspect for acceptance by measures such as visual inspection, check rod inspection, inflation leak detection, vacuum leak huntings, the discovery leak source is in time repaired.
(8) HDPE film covering protection;
Must be noted that protection HDPE film when on the HDPE film, constructing, thereby avoid the HDPE film to damage.Cover the sand that adopts bed thickness 30cm, covering full construction process must be supervised and guided by the special messenger.
At last, it is also to be noted that what more than enumerate only is specific embodiments of the invention.Obviously, the invention is not restricted to above examples of implementation, many distortion can also be arranged.All distortion that those of ordinary skill in the art can directly derive or associate from content disclosed by the invention all should be thought protection scope of the present invention.
Claims (9)
1. HDPE film flexible structure bottom board pool, it is characterized in that: the pond is made up of steel concrete pool wall, reinforced concrete floor, HDPE film base plate, the reinforced concrete floor edge is embedded with the HDPE snap close, HDPE film and the welding of HDPE snap close, film and film welding.
2. pond according to claim 1 is characterized in that: described HDPE snap close is the HDPE material, above smooth, the cross section is the M shape.
3. the job practices of a HDPE film flexible structure bottom board pool, its feature may further comprise the steps successively:
(1) construction reinforced bar concrete-pool-wall and reinforced concrete floor; Earlier the reinforced concrete structure ground is reinforced before the construction;
(2) bury the HDPE snap close underground;
(3) base cleaning;
(4) HDPE film setting-out cutting;
(5) the HDPE film is laid;
(6) HDPE film welding;
(7) the HDPE film is checked and is checked and accepted;
(8) HDPE film covering protection.
4. the job practices in pond according to claim 3, it is characterized in that: the reinforcement means of described step (1) has: bored pile, cement mixing pile, pvc pipe stake.
5. the job practices in pond according to claim 3, it is characterized in that: the method for embedding of described step (2) HDPE snap close comprises: a kind of is before the concreting HDPE snap close to be installed on the cage of reinforcement, snap close installation site and plane requirement for height are accurate, and fixation, prevent from when concreting to produce and move and distortion, and concrete blanking and cause the snap close breakage when vibrating; Second kind is to reserve enough snap close installing spaces when concreting, treat in preformed groove, to water pea gravel concreten after concrete reaches certain intensity, and with the snap close embedding wherein, when adopting this kind method to guarantee to embed snap close the air of snap close below is discharged as far as possible.
6. the job practices in pond according to claim 3 is characterized in that: in described step (3) basic unit layer of sand can be set, groundwater table is lower than and is no less than 50cm below the basic unit.
7. the job practices in pond according to claim 3, it is characterized in that: described step (4) is according to reinforced concrete floor shape cutting HDPE film.
8. the job practices in pond according to claim 3 is characterized in that: the welding of described step (6), the thermal wedge welding machine of use double track, the two weld seams of formation and the cavity that can inflate; At the position that the thermal wedge welding machine can't weld, adopt the extruding fusing soldering welder, be equipped with the welding rod with the raw material homogeneity, form built-up welding and obtain single weld seam.
9. the job practices in pond according to claim 3 is characterized in that: described step (8), and when on the HDPE film, constructing, the sand of the thick 30cm of film upper caldding layer.
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| Application Number | Priority Date | Filing Date | Title |
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| CNA2008100591909A CN101225715A (en) | 2008-01-18 | 2008-01-18 | HDPE film flexible structure bottom board pool and construction method thereof |
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| CNA2008100591909A CN101225715A (en) | 2008-01-18 | 2008-01-18 | HDPE film flexible structure bottom board pool and construction method thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101503915A (en) * | 2009-03-09 | 2009-08-12 | 中国建筑第六工程局有限公司 | Construction method for ultra-large area, ultra-thin non-agglutination pre-stress integral pond baseboard |
| CN105019652A (en) * | 2014-04-28 | 2015-11-04 | 中国二十冶集团有限公司 | Construction method for HDPE (high-density polyethylene) liner bottom of large-sized concentration tank |
| CN106555440A (en) * | 2015-09-25 | 2017-04-05 | 上海巴安水务股份有限公司 | HDPE film installs anti-seepage processing method and its structure |
| CN107795157A (en) * | 2016-08-31 | 2018-03-13 | 朱旭东 | Mixed flow and reverse-flow swimming pool construction technology |
| CN113006006A (en) * | 2021-03-11 | 2021-06-22 | 中国水电基础局有限公司 | Novel panel structure of panel rock-fill dam and construction method thereof |
-
2008
- 2008-01-18 CN CNA2008100591909A patent/CN101225715A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101503915A (en) * | 2009-03-09 | 2009-08-12 | 中国建筑第六工程局有限公司 | Construction method for ultra-large area, ultra-thin non-agglutination pre-stress integral pond baseboard |
| CN105019652A (en) * | 2014-04-28 | 2015-11-04 | 中国二十冶集团有限公司 | Construction method for HDPE (high-density polyethylene) liner bottom of large-sized concentration tank |
| CN106555440A (en) * | 2015-09-25 | 2017-04-05 | 上海巴安水务股份有限公司 | HDPE film installs anti-seepage processing method and its structure |
| CN107795157A (en) * | 2016-08-31 | 2018-03-13 | 朱旭东 | Mixed flow and reverse-flow swimming pool construction technology |
| CN113006006A (en) * | 2021-03-11 | 2021-06-22 | 中国水电基础局有限公司 | Novel panel structure of panel rock-fill dam and construction method thereof |
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Open date: 20080723 |