CN1177119C - Roofing ultrastrong water-proof structure and its construction method - Google Patents
Roofing ultrastrong water-proof structure and its construction methodInfo
- Publication number
- CN1177119C CN1177119C CNB011288787A CN01128878A CN1177119C CN 1177119 C CN1177119 C CN 1177119C CN B011288787 A CNB011288787 A CN B011288787A CN 01128878 A CN01128878 A CN 01128878A CN 1177119 C CN1177119 C CN 1177119C
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- layer
- roofing
- waterproofing course
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- water
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Abstract
The present invention relates to a roofing ultra-strong waterproof structure and a construction method. The roofing ultra-strong waterproof structure comprises a hollow slab, a leveling layer, an ultra-strong waterproof layer, a waterproof layer, a water-absorbing bouncing layer and a concrete layer with small stone, wherein the ultra-strong waterproof layer and the waterproof layer are orderly spread on the leveling layer by using low-density polyethylene films as materials, the water-absorbing bouncing layer using polyurethane foam as materials is spread on the waterproof layer, the layers can not be bonded, steel bar nets in the concrete layer with small stone on the uppermost layer are vertically and horizontally spread, and binding wires can not be used for binding. The structure has the advantage of reasonable layout and wide range of environmental temperature difference, the construction method is peculiar, and the effect of preventing water, moisture and leakage can be completely obtained.
Description
The invention belongs to the building waterproof processing technology field, be specifically related to a kind of roofing ultrastrong water-proof structure and job practices.
In the existing roof waterproof treatment technology, mainly contain rigidity water-proof roofing structure, asphalt felt water-proof roofing structure, water-repellent paint water-proof roofing structure etc.The rigidity water-proof roofing mainly adopts reinforcing bar tension, microlith structure, and waterproofing work is carried out with the pitch cementation of fissures in the roofing top layer, this structure on the one hand since during construction in compacting, carry slurry, hold up the difference on the construction level such as light, influence waterproof effect; On the other hand, owing to frozen and the influence of many-sided factor such as exceed standard of the husky mud content of stone by ultraviolet radiation, air pollution, frost and snow, icepro, cause waterproofing course to draw sand, the contraction that moire, cracking occur, plays drum and asphalt joint was lost efficacy and was caused the short-term roof leakage.Asphalt roll roofing is to adopt pitch, malthoid glass fiber to make waterproofing course on the roofing top layer, and pitch and malthoid be through ultraviolet radiation, and frost and snow is insulted and frozen and factor such as air pollution can accelerated ageing, thus the forfeiture water-proof function.The roof structure that carries out waterproof with water-repellent paint is through after using and since dust, dirt, ultraviolet radiation, frost and snow insult freeze, accelerations water-repellent paint such as air pollution is aging, cracking, rise and rouse, come off etc., thereby lose water-proof function.Defectives such as therefore, existing water-proof roofing structure and job practices all exist the waterproof phase short, and waterproof effect is undesirable.
The objective of the invention is to deficiency at existing roof covering water-proof structure and job practices existence, a kind of reasonable structural arrangement is provided, the job practices uniqueness, the temperature range that conforms is big, can thoroughly play the roofing ultrastrong water-proof structure and the job practices of waterproof, protection against the tide, antiseep effect.
Technical scheme of the present invention is as follows:
Roofing ultrastrong water-proof structure, comprise hollowcore slab, leveling layer and pea gravel concreten layer, it is characterized in that driedly between leveling layer and pea gravel concreten being covered with the superpower waterproofing course that polyethylene sheeting is a material, be welded as a whole between the polyethylene sheeting, superpower waterproofing course is not bonding up and down.
Doing shop one deck again on the described superpower waterproofing course is the waterproofing course of material with the polyethylene sheeting, is welded as a whole between the polyethylene sheeting, and waterproofing course is not bonding up and down.For being the suction bounce-back layer of material with the polyurethane foam, bonding between the polyurethane foam is an integral body under the pea gravel concreten layer.
The soldered of described polyethylene sheeting is at edge 6-10CM.Polyethylene sheeting leaves the limit of 20-30CM at total layer periphery, is used for putting in the parapet obliquely.
The job practices of this roofing ultrastrong water-proof structure is characterized in that carrying out according to the following steps:
(2) use the cement mortar levelling, compacting, hold up light to get leveling layer, and simultaneously the following mouth of a river that has the limit is installed, the following mouth of a river must not be higher than leveling layer;
(3) cleaning leveling layer, doing the shop is the superpower waterproofing course of material with the low-density polyethylene film, polyethylene sheeting is reserved the limit of 20-30CM;
(4) on superpower waterproofing course, lay the pea gravel concreten layer;
(5) 3CM is within the walls stretched at the certain altitude place of parapet in the limit of superpower waterproofing course polyethylene sheeting, hold up light, and do flashing and handle with the cement mortar cementation of fissures;
(6) after the band entire infrastructure is done, adopt the pitch cementation of fissures.
Also do shop one deck waterproofing course on the superpower in addition waterproofing course, also adopting polyethylene sheeting is material.
Also laying under the pea gravel concreten layer with the polyurethane foam is the suction bounce-back layer of material, uses the bonding one-tenth of transparent rubberized fabric whole between the polyurethane foam.
When making the pea gravel concreten layer, earlier with the inside backrush in the limit of polyethylene sheeting, fixing around the total with bar reinforcement, during the muscle of shop with φ 4 reinforcing bars back and forth direct screening around bar reinforcement on, form steel mesh reinforcement, steel mesh reinforcement is forbidden with pricking the silk colligation, lay pea gravel concreten then, take out the bar reinforcement that is used for fixing subsequently, the polyethylene sheeting of backrush is got back to design attitude, stretch within the walls in that the parapet certain altitude is upward, do flashing and handle.
Describe the present invention in detail below in conjunction with drawings and Examples:
Fig. 1 is the overall schematic of roofing ultrastrong water-proof structure;
Fig. 2 is the steel mesh reinforcement structure chart of pea gravel concreten in the roofing ultrastrong water-proof structure.
Embodiment: referring to Fig. 1, roofing ultrastrong water-proof structure comprises hollowcore slab 1, leveling layer 2, superpower waterproofing course 3, waterproofing course 4, suction bounce-back layer 5 and pea gravel concreten layer 6 from the bottom to top.The position is provided with down the mouth of a river 7 under the plane of leveling layer 2.Superpower waterproofing course 3 is to be material with the low-density polyethylene film, is tiled on the leveling layer 2, and is not bonding between them, adopts welding manner to be connected to an integral body between the film.Waterproofing course 4 is all identical on material and paving mode with superpower waterproofing course 3, is used to strengthen water resistance.Suction bounce-back layer 5 is to be material with the polyurethane foam, is layed on the waterproofing course 4, and is also not bonding between them, is an integral body and adopt transparent rubberized fabric bonding between the foam.The reinforcing bar of pea gravel concreten layer 6 inside of the superiors is without pricking the silk colligation, and purpose is to make it not destroy waterproofing course.The polyethylene sheeting of waterproofing course 4 and superpower waterproofing course leaves the limit 8 of 60CM at whole waterproof construction periphery, and this limit 8 is used for stretching into obliquely in the parapet of roofing 9, after the one grouting treatment, reaches better waterproof effect with it.The construction of this roofing has its special requirement, specifically carries out according to the following steps:
(1) cleaning hollowcore slab basic unit is with rinsing each position well by water.
(2) adopt the thin concrete cementation of fissures twice of C20, surface evening is held up light.
(3) adopt the cement mortar levelling of 1: 25 or 1: 3, compacting, hold up light to get leveling layer, any position must not have loose stone to occur, and simultaneously the following mouth of a river that has the limit is installed, and the following mouth of a river must not be higher than leveling layer.
(4) levelling holds up light after 24 hours, the cleaning leveling layer.
(5) by the engineering design length and width, strengthen 60CM, adopt that low-density polyethylene film 6-18 silk is thick to be welded into as a wholely through technical finesse, form superpower waterproofing course, polyethylene sheeting is reserved the limit of 30CM, weld seam at edge 6-10CM for suitable.
(6) it is two-layer to do the shop polyethylene sheeting by engineering design, requires smooth no fluctuation, forbids to use viscose glue bonding, gets waterproofing course.It is bonding in aggregates with transparent rubberized fabric that waterproofing course top re-lays polyurethane foam, forms suction bounce-back layer.
(7) on superpower waterproofing course, lay the pea gravel concreten layer, method is: earlier with the inside backrush in the limit (8) of polyethylene sheeting, fixing around total with bar reinforcement (10), the shop during muscle with 4 reinforcing bars back and forth direct screening on bar reinforcement (10) all around, spacing 20CM forms steel mesh reinforcement (11), and steel mesh reinforcement (11) is forbidden with pricking the silk colligation, referring to Fig. 2, this is one of key point of present technique.
(8) after steel mesh reinforcement has been laid, the reinforcing bar gauze pad is risen, lay pea gravel concreten, roll to carry starching and hold up light with the 3CM stone.
(9) pea gravel concreten was laid after 2 hours, and bar reinforcement around taking out is got back to design attitude with the polyethylene sheeting of backrush, upward the stretching within the walls of parapet (9) certain altitude, irritates upper and lower seam with 1: 2 cement mortar and holds up light.Steel bar end returns only parapet, and flashing is held up light around doing again, and powder is stuck with paste the parapet joint, must press and do flashing, and the corresponding hole that has of polyethylene sheeting at place, the following mouth of a river is used for draining.
(10) each several part lattice seam adopted the pitch cementation of fissures after 28 days, and roofing surface design flower pond person need not disconnect steel mesh reinforcement, does not establish Hua Chizhe and can disconnect steel mesh reinforcement.
The waterproof of this structure is achieved in that rainwater leaks out to suction bounce-back layer 5 through pea gravel concreten layer 6, and is few as if the water yield, will all be absorbed by suction bounce-back layer 5, vapors away when treating fine day.When rainwater slightly for a long time, will leak out to waterproofing course 4, discharge through the mouths of a river 7 down by waterproofing course 4.If waterproofing course also has the water yield of seepage to ooze to superpower waterproofing course 3, will discharge through the mouth of a river 7 down again, thereby guarantee the water resistance of this structure.
Above-mentioned example is the structure of waterproof effect the best, according to the concrete needs of waterproof, also can not establish suction bounce-back layer 5 in said structure.
This structure is through following test, and situation is as follows:
1. under the technical know-how condition, 1987 are used for residential building with this structural test property, and roofing amasss 500m
2, calendar year 2001 does not have any place seepage after testing.
2. under the privacy conditions, this structural test property was used for residential building, roof area 240m in 1991
2, carry out destructive testing, the part 660 kilograms/m of pressurized that exceeds standard
2, and the ponding many places are often arranged, and cracking is found on the surface, and moire is arranged, sky fine 1-2 days, and ponding leaks into waterproofing course, is discharged by the following mouth of a river, does not find seepage.
The advantage of this structure and construction method is: 1, between screed-coat and pea gravel concreten layer Carry out water-proofing treatment, air pollution, ultraviolet wire spoke can be avoided or reduce to reasonable structural arrangement Penetrate, frost and snow insults the destruction freeze waterproof material, guarantees the service life that it is long-term; 2, to anti-Water layer 4, superpower watertight composition 3 and suction bounce-back layer do not carry out bonding up and down, can guarantee its with Environmental evolution shrinks freely, and avoids each other drawing crack when weight or displacement, guarantees its water proofing property Can; 3, the reinforcing bar of pea gravel concreten layer is not done the tied silk colligation and process, avoid tied silk to waterproof The destruction of layer further guarantees the water resistance of this structure. So waterproof durable year of this structure Limit surpasses existing numerous waterproof constructions, can reach 50-70 through test, and watertight composition does not have maintenance.
Claims (9)
1. roofing ultrastrong water-proof structure, comprise hollowcore slab (1), leveling layer (2) and pea gravel concreten layer (6), it is characterized in that doing the shop between leveling layer (2) and pea gravel concreten layer (6) is the superpower waterproofing course (3) of material with the polyethylene sheeting, be connected to an integral body between the polyethylene sheeting, superpower waterproofing course (3) is not bonding up and down.
2. roofing ultrastrong water-proof structure according to claim 1, it is characterized in that doing shop one deck again on the described superpower waterproofing course (3) is the waterproofing course (4) of material with the polyethylene sheeting, be connected to an integral body between the polyethylene sheeting, waterproofing course (4) is not bonding up and down.
3. roofing ultrastrong water-proof structure according to claim 1 and 2 is characterized in that under pea gravel concreten layer (6) being is the suction bounce-back layer (5) of material with the polyurethane foam, and bonding between the polyurethane foam is an integral body.
4. roofing ultrastrong water-proof structure according to claim 1 and 2 is characterized in that welding manner is adopted in the connection of polyethylene sheeting, and soldered is at edge 6-10CM.
5. roofing ultrastrong water-proof structure according to claim 1 and 2 is characterized in that polyethylene sheeting leaves the limit (8) of 20-30CM at total layer periphery, is used for the upward interior 3CM of parapet (9) that puts in.
6. the job practices of roofing ultrastrong water-proof structure as claimed in claim 1 is characterized in that carrying out according to the following steps:
(1) cleaning hollowcore slab (1), the cementation of fissures is held up light;
(2) use the cement mortar levelling, compacting, hold up light to get leveling layer (2), and simultaneously the following mouth of a river (7) that has the limit is installed, the following mouth of a river (7) must not be higher than leveling layer (2);
(3) cleaning leveling layer (2), doing the shop is the superpower waterproofing course (3) of material with the low-density polyethylene film, and superpower waterproofing course (3) is not bonding up and down, and polyethylene sheeting is reserved the limit (8) of 20-30CM;
(4) on superpower waterproofing course (3), lay pea gravel concreten layer (6);
(5) 3CM is within the walls stretched at the certain altitude place of parapet (9) in the limit (8) of superpower waterproofing course polyethylene sheeting, hold up light, and do flashing and handle with the cement mortar cementation of fissures;
(6) treat that entire infrastructure is done after, adopt the pitch cementation of fissures.
7. roofing ultrastrong water-proof structure job practices according to claim 6 is characterized in that also doing shop one deck waterproofing course (4) on superpower waterproofing course, and also adopting polyethylene sheeting is material, and waterproofing course (4) is not bonding up and down.
8. according to claim 6 or 7 described roofing ultrastrong water-proof structure job practicess, it is characterized in that also laying with the polyurethane foam under pea gravel concreten layer (6) is the suction bounce-back layer (5) of material, whole with the bonding one-tenth of transparent rubberized fabric between the polyurethane foam.
9. according to claim 6 or 7 described roofing ultrastrong water-proof structure job practicess, when it is characterized in that making pea gravel concreten layer (6), earlier with the inside backrush in the limit (8) of polyethylene sheeting, fixing around total with bar reinforcement (10), the shop during muscle with 4 reinforcing bars back and forth direct screening on bar reinforcement (10) all around, form steel mesh reinforcement (11), steel mesh reinforcement (11) is forbidden with pricking the silk colligation, lay pea gravel concreten then, take out the bar reinforcement (10) that is used for fixing subsequently, the polyethylene sheeting of backrush is got back to design attitude,, do flashing and handle upward the stretching within the walls of parapet (9) certain altitude.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB011288787A CN1177119C (en) | 2001-09-19 | 2001-09-19 | Roofing ultrastrong water-proof structure and its construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB011288787A CN1177119C (en) | 2001-09-19 | 2001-09-19 | Roofing ultrastrong water-proof structure and its construction method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1405420A CN1405420A (en) | 2003-03-26 |
| CN1177119C true CN1177119C (en) | 2004-11-24 |
Family
ID=4668690
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB011288787A Expired - Fee Related CN1177119C (en) | 2001-09-19 | 2001-09-19 | Roofing ultrastrong water-proof structure and its construction method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1177119C (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN103114683A (en) * | 2013-02-05 | 2013-05-22 | 中天建设集团有限公司 | Arc circle double-line roof flashing construction structure |
| CN103147540A (en) * | 2013-03-01 | 2013-06-12 | 中天建设集团有限公司 | Waterproof treatment structure for joint of roof and wall body |
| CN108071197A (en) * | 2016-11-10 | 2018-05-25 | 胡文彪 | Roofing ultrastrong water-proof structure and construction method |
| CN106760246A (en) * | 2017-04-01 | 2017-05-31 | 湖南省烟草公司长沙市公司宁乡县分公司 | A kind of economical water-proof roofing and its construction method |
-
2001
- 2001-09-19 CN CNB011288787A patent/CN1177119C/en not_active Expired - Fee Related
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| Publication number | Publication date |
|---|---|
| CN1405420A (en) | 2003-03-26 |
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