CN103867018A - Waterproof method and structure of large-area concrete roof silo - Google Patents
Waterproof method and structure of large-area concrete roof silo Download PDFInfo
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- CN103867018A CN103867018A CN201210534351.1A CN201210534351A CN103867018A CN 103867018 A CN103867018 A CN 103867018A CN 201210534351 A CN201210534351 A CN 201210534351A CN 103867018 A CN103867018 A CN 103867018A
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Abstract
The invention discloses a waterproof method and a structure of a large-area concrete roof silo. The concrete roof silo is provided with two waterproof layers, the first layer is composed of a fine aggregate concrete waterproof layer of the top face, and the second layer is made of a macromolecule coiled material. The waterproof capacity of the silo is improved through two waterproof layers. Cracks of a large-area concrete roof are prevented, water leakage possibility is prevented, and normal electrolytic aluminum production is ensured well.
Description
Technical field
the waterproof method and the structure thereof that the present invention relates to a kind of large-area concrete roofing silo, belong to waterproof technology of roofing field.
Background technology
aluminium electroloysis belongs to metal smelt technique, primary raw material is alumina powder, produce aluminum solutions, when entering electrolytic cell by alumina transferring, alumina powder carries out being conventionally housed in alumina powder bunker before electrolytic aluminium, and bunker top area is larger, diameter can reach 18 meters of left and right, if alumina powder is invaded the purity of the wet afterwards aluminium ingot that electrolysis obtains by sordid rainwater, just being difficult to reach technological requirement becomes substandard product, thereby the roof waterproof processing of this bunker seems particularly important.And existing bunker roof waterproof is waterproof one, be three grades of waterproof, its waterproof ability a little less than, and with the hidden danger of leaking.
Summary of the invention
the object of the invention is to, a kind of waterproof method and structure thereof of large-area concrete roofing silo is provided.To strengthen bunker from waterproof ability, stop the possibility that bunker that area is larger leaks, to guarantee normally carrying out of aluminum electrolysis technology.To overcome the deficiencies in the prior art.
technical scheme of the present invention:
a waterproof method for large-area concrete roofing silo, the method is constructed according to the following steps:
1., after the concrete initial set of concrete silo roofing, remove and build the template of use, rinse well with clear water;
2., by cement mortar by the levelling of concrete silo roofing, the thickness of leveling layer is 20-25mm;
3., after leveling layer initial set, on leveling layer, be coated with one deck base treatment agent;
4. the thick polymer membranes of leveling layer upper berth one deck 1-1.5mm, after processing, as second waterproofing course;
5., on polymer membranes, be coated with one deck pitch film;
6., on pitch film, lay two-way concrete slab net sheet, be then set to C30 concrete with microlith and concrete matched, on pitch film, build and be not less than the fine-stone concrete waterproofing course that 40mm is thick; This layer is first waterproofing course.
in preceding method, the cement mortar of described step in is 2.: the clean medium sand that is 2.0～3.0 with particle diameter by No. 325 above Portland cements mixes in the ratio of 1.2～1:2.5; Stir into cement mortar by water/binder ratio 0.45-0.55 water mixing.
in preceding method, the base treatment agent of described step in is 3. the solvent compatible with synthesizing macromolecule wood property.
in preceding method, the polymer membranes of described step in 4. adopts PVC macromolecular waterproof roll, and its hot strength is 2.0～4.5MPa, elongation at break>=120%, and tearing strength is 0.8～2.0MPa, water absorption rate≤0.5%.
in preceding method, it is 0.3～0.6MPa that the pitch film of described step in 5. adopts with cement mortar adhesion strength, and heat resistance is 80 ± 2 ℃, constant temperature 5h, non-foaming, not aliquation, its crack resistance is the pitch film that film does not crack at 20 ℃ basic crack is no more than 1mm.
in preceding method, the two-way concrete slab net sheet of described step in be 6. with diameter be 4～5mm, spacing is the crisscross two-way concrete slab net sheet of 150～200mm.
in preceding method, the concrete cover on described reinforced mesh two sides is not less than 10mm.
the waterproof construction of the large-area concrete roofing silo forming according to front described method, comprises concrete silo roofing; On concrete silo roofing, be provided with successively from the bottom to top cement mortar screeding layer, base treatment agent layer, macromolecule coil waterproof layer, pitch film layer and fine-stone concrete waterproofing course.
in aforementioned structure, described fine-stone concrete waterproofing course is first waterproofing course, for thickness is not less than the reinforced concrete floor of 40mm; In fine-stone concrete waterproofing course, be provided with two-way concrete slab net sheet.
in aforementioned structure, described macromolecule coil waterproof layer is PVC macromolecular waterproof roll.
compared with prior art, the present invention has following characteristics:
1, the roofing of the larger silo of area is changed into two road waterproofing process and has been strengthened the waterproof ability of silo by one original rigid waterproofing.
2, reinforcing bar model in one rigid waterproofing in past is strengthened, spacing is dwindled the protective capacities that has improved rigid waterproof layer itself, enters the hidden danger of silo pollution alumina powder to discharge rainwater.
Accompanying drawing explanation
fig. 1 is structural representation of the present invention.
being labeled as in accompanying drawing: 1-concrete silo roofing, 2-cement mortar screeding layer, 3-base treatment agent layer, 4-macromolecule coil waterproof layer, 5-pitch film layer, 6-fine-stone concrete waterproofing course.
The specific embodiment
below in conjunction with drawings and Examples, the present invention is described in further detail, but not as any limitation of the invention.
embodiment.A waterproof method for large-area concrete roofing silo, as shown in Figure 1.The method is constructed according to the following steps:
1., after the concrete initial set of concrete silo roofing, remove and build the template of use, rinse well with clear water;
2., by cement mortar by the levelling of concrete silo roofing, the thickness of leveling layer is 20-25mm; Cement mortar is: the clean medium sand that is 2.0～3.0 with particle diameter by more than No. 325 Portland cements mixes in the ratio of 1.2～1:2.5; Stir into cement mortar by water/binder ratio 0.45-0.55 water mixing.
3., after leveling layer initial set, on leveling layer, be coated with one deck base treatment agent; Base treatment agent is the solvent compatible with synthesizing macromolecule wood property.
4. the thick polymer membranes of leveling layer upper berth one deck 1-1.5mm, after processing, as second waterproofing course; Polymer membranes adopts PVC macromolecular waterproof roll, and its hot strength is 2.0～4.5MPa, elongation at break>=120%, and tearing strength is 0.8～2.0MPa, water absorption rate≤0.5%.
5., on polymer membranes, be coated with one deck pitch film; It is 0.3～0.6MPa that pitch film adopts with cement mortar adhesion strength, and heat resistance is 80 ± 2 ℃, and constant temperature 5h is non-foaming, not aliquation, and its crack resistance is the pitch film that film does not crack at 20 ℃ basic crack is no more than 1mm.
6., on pitch film, lay two-way concrete slab net sheet, two-way concrete slab net sheet be with diameter be 4～5mm, spacing is the crisscross two-way concrete slab net sheet of 150～200mm; Then be set to C30 concrete with microlith and concrete matched, on pitch film, build and be not less than the fine-stone concrete waterproofing course that 40mm is thick; The concrete cover on reinforced mesh two sides is not less than 10mm.This layer is first waterproofing course.
the waterproof construction of the large-area concrete roofing silo forming according to preceding method, as shown in Figure 1.Comprise concrete silo roofing 1; On concrete silo roofing 1, be provided with successively from the bottom to top cement mortar screeding layer 2, base treatment agent layer 3, macromolecule coil waterproof layer 4, pitch film layer 5 and fine-stone concrete waterproofing course 6.Described fine-stone concrete waterproofing course 6 is first waterproofing course, and fine-stone concrete waterproofing course 6 is not less than the reinforced concrete floor of 40mm for thickness; In fine-stone concrete waterproofing course 6, be provided with two-way concrete slab net sheet.Described macromolecule coil waterproof layer 4 is second waterproofing course, adopts PVC macromolecular waterproof roll.
Claims (10)
1. a waterproof method for large-area concrete roofing silo, is characterized in that: the method is constructed according to the following steps:
1., after the concrete initial set of concrete silo roofing, remove and build the template of use, rinse well with clear water;
2., by cement mortar by the levelling of concrete silo roofing, the thickness of leveling layer is 20-25mm;
3., after leveling layer initial set, on leveling layer, be coated with one deck base treatment agent;
4. the thick polymer membranes of leveling layer upper berth one deck 1-1.5mm, after processing, as second waterproofing course;
5., on polymer membranes, be coated with one deck pitch film;
6., on pitch film, lay two-way concrete slab net sheet, be then set to C30 concrete with microlith and concrete matched, on pitch film, build and be not less than the fine-stone concrete waterproofing course that 40mm is thick; This layer is first waterproofing course.
2. method according to claim 1, is characterized in that: the cement mortar of described step in is 2.: the clean medium sand that is 2.0～3.0 with particle diameter by No. 325 above Portland cements mixes in the ratio of 1.2～1:2.5; Stir into cement mortar by water/binder ratio 0.45-0.55 water mixing.
3. method according to claim 1, is characterized in that: the base treatment agent of described step in is 3. the solvent compatible with synthesizing macromolecule wood property.
4. method according to claim 1, it is characterized in that: the polymer membranes of described step in 4. adopts PVC macromolecular waterproof roll, and its hot strength is 2.0～4.5MPa, elongation at break >=120%, tearing strength is 0.8～2.0MPa, water absorption rate≤0.5%.
5. method according to claim 1, it is characterized in that: it is 0.3～0.6MPa that the pitch film of described step in 5. adopts with cement mortar adhesion strength, heat resistance is 80 ± 2 ℃, constant temperature 5h, non-foaming, not aliquation, its crack resistance is the pitch film that film does not crack at 20 ℃ basic crack is no more than 1mm.
6. method according to claim 1, is characterized in that: the two-way concrete slab net sheet of described step in be 6. with diameter be 4～5mm, spacing is the crisscross two-way concrete slab net sheet of 150～200mm.
7. method according to claim 6, is characterized in that: the concrete cover on described reinforced mesh two sides is not less than 10mm.
8. the waterproof construction of the large-area concrete roofing silo forming according to method described in the arbitrary claim of claim 1-7, comprises concrete silo roofing (1); It is characterized in that: on concrete silo roofing (1), be provided with successively from the bottom to top cement mortar screeding layer (2), base treatment agent layer (3), macromolecule coil waterproof layer (4), pitch film layer (5) and fine-stone concrete waterproofing course (6).
9. structure according to claim 8, is characterized in that: described fine-stone concrete waterproofing course (6) is first waterproofing course, for thickness is not less than the reinforced concrete floor of 40mm; In fine-stone concrete waterproofing course (6), be provided with two-way concrete slab net sheet.
10. structure according to claim 9, is characterized in that: described macromolecule coil waterproof layer (4) is PVC macromolecular waterproof roll.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210534351.1A CN103867018A (en) | 2012-12-12 | 2012-12-12 | Waterproof method and structure of large-area concrete roof silo |
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| CN201210534351.1A CN103867018A (en) | 2012-12-12 | 2012-12-12 | Waterproof method and structure of large-area concrete roof silo |
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| CN103867018A true CN103867018A (en) | 2014-06-18 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111535324A (en) * | 2020-05-14 | 2020-08-14 | 陈文斌 | Synchronous waterproof and anticorrosive construction method for underground cast-in-place concrete pouring |
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| KR100441965B1 (en) * | 2000-09-27 | 2004-07-27 | 이창남 | Prefabricated Water Proofing System for the Roof Slab |
| CN1587582A (en) * | 2004-07-09 | 2005-03-02 | 同济大学 | Energy saving pitched roof structure and its water-proof method |
| JP3884138B2 (en) * | 1997-09-16 | 2007-02-21 | 田島ルーフィング株式会社 | Waterproof structures for buildings, etc., waterproof materials used for them, and waterproof methods. |
| CN100467814C (en) * | 2007-12-28 | 2009-03-11 | 中设建工集团有限公司 | Anti-leakage construction process for inclined roof |
| CN102031834A (en) * | 2010-12-10 | 2011-04-27 | 上海台安工程实业有限公司 | Compound waterproof system and construction technology thereof |
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- 2012-12-12 CN CN201210534351.1A patent/CN103867018A/en active Pending
Patent Citations (5)
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| JP3884138B2 (en) * | 1997-09-16 | 2007-02-21 | 田島ルーフィング株式会社 | Waterproof structures for buildings, etc., waterproof materials used for them, and waterproof methods. |
| KR100441965B1 (en) * | 2000-09-27 | 2004-07-27 | 이창남 | Prefabricated Water Proofing System for the Roof Slab |
| CN1587582A (en) * | 2004-07-09 | 2005-03-02 | 同济大学 | Energy saving pitched roof structure and its water-proof method |
| CN100467814C (en) * | 2007-12-28 | 2009-03-11 | 中设建工集团有限公司 | Anti-leakage construction process for inclined roof |
| CN102031834A (en) * | 2010-12-10 | 2011-04-27 | 上海台安工程实业有限公司 | Compound waterproof system and construction technology thereof |
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| 方仁: "建筑工程屋面防水技术质量控制的几项措施", 《广东建材》, no. 8, 31 August 2010 (2010-08-31), pages 131 - 133 * |
| 黄曼 等: "新沙港库立筒仓、楼房仓屋面防水整改", 《粮食与食品工业》, vol. 12, no. 5, 31 October 2005 (2005-10-31), pages 53 - 56 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111535324A (en) * | 2020-05-14 | 2020-08-14 | 陈文斌 | Synchronous waterproof and anticorrosive construction method for underground cast-in-place concrete pouring |
| CN111535324B (en) * | 2020-05-14 | 2022-03-11 | 陈文斌 | Synchronous waterproof and anticorrosive construction method for underground cast-in-place concrete pouring |
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