CN1134498A

CN1134498A - Construction method for green leakage-proof energy-saving roof

Info

Publication number: CN1134498A
Application number: CN96100525A
Authority: CN
Inventors: 吴永良
Original assignee: Individual
Current assignee: Individual
Priority date: 1996-04-05
Filing date: 1996-04-05
Publication date: 1996-10-30

Abstract

The present invention solves the problem of cracking and leakage in green roofing. The roofing consists of successively the roofing structure, rigid waterproofing layer, flexible watrpfoofing layer, rigid protection layer, dewatring layer, water filtering layer, planting layer and green layer as well as water drainage structure. It has no cracking and leakage and can provide thermostatic and humidistatic and pollution-less green ecological environment.

Description

A kind of constructing method of green leakage-proof energy-saving roof

The present invention relates to solve the method for the roof leakage problems of extensive existence, particularly relate to and adopt a kind of constructing method of laying and add the green leakage-proof energy-saving roof that discharge structure (I) construction forms by common accessible roof structure (A), rigid waterproof layer (B), flexible waterproof layer (C), rigid course (D), water conservation drainage blanket (E), drainage layer (F), composite plant soil layer (G) and greening layer (H) successively with the greening mode.

The existing general common accessible roof and the waterproofing materials of roofing; no matter be rigidity, flexibility, coating or macromolecule coiled material; all effectively protections for want of; through long-term wind, Exposure to Sunlight, and the roofing temperature difference (annual range of temperature, south is above 80 ℃; the north is above 100 ℃) and thermal (temperature difference) stress roof waterproof layer is worn out and rhegma too quickly; thereby cause roof leakage, have a strong impact on the long-term result of use of building, for example: table 1 asphalt felt roofing is repaiied the leakage time from be completed to beginning

Time	The roofworks investigation number that record is arranged	Classification	When from be completed to beginning, repairing Lou year number and item number						From be completed to beginning, repair Lou year number (year)
												0.5～4 years	5～8 years	9～16 years	17～24 years	More than 25 years	Add up to	The shortest	The longest	On average
			????1350～1957	????33	Item number	????0	????1	????17	????6	????9	????33	0.5～4 years	5～8 years	9～16 years	17～24 years	More than 25 years	Add up to	The shortest	The longest	On average	????6	????32	????16
????％	????0	????3			Item number	????0	????1	????17	????6	????9	????33	????52	????18	????27	????100
????％	????0	????3			????1958～1966	????26	Item number	????7	????7	????10	????2	????52	????18	????27	????100	????0	????26	????2	????19	????9
????％	????27	????27	????38	????8			Item number	????7	????7	????10	????2	????0	????100			????0	????26
????％	????27	????27	????38	????8			????1967～1970	????35	Item number	????7	????18	????0	????100	????10	????0	????0	????35				????2	????13	????7
????％	????20	????51	????29	????0	????0	????100			Item number	????7	????18			????10	????0	????0	????35
????％	????20	????51	????29	????0	????0	????100			????1971～1980	????42	Item number	????32	????10	????0	????0	????0	????42	????0.5	????7	????3
????％	????76	????24	????0	????0	????0	????100					Item number	????32	????10	????0	????0	????0	????42

That announces among the Chinese patent CN1064515A is a kind of on roof panel and insulation layer, adopts the bilayer densely covered wire gauze that staggers, and in the waterproof mortar, rubs into job practices such as glass fiber and prevents the waterproofing course rhegma, and then reach the purpose of waterproof.The complicated cost height of constructing though this method has the better waterproof energy, the general user can't bear.And function singleness.Announce among another patent CN93114238.5 and use flexible waterproof material; and the heap sand that fillers is protected the method for waterproofing course on waterproofing course; though it is cheap; construction is easy, and the effect of moist roofing is arranged, but because flexible waterproof layer lacks effectively protection; suffer that very easily destruction, especially user are when the roof planting plant; destructible waterproofing course more, silt also is easy to weathering or is blown to four winds, and causes environment pollution.

The objective of the invention is to; adopt a kind of successively by common accessible roof deck (A), rigid waterproof layer (B), flexible waterproof layer (C), rigid course (D), water conservation drainage blanket (E), drainage layer (F), composite plant soil layer (G) and greening layer ((H) lays and adds the green leakage-proof energy-saving roof that discharge structure (I) construction forms, and not only common building material and the greening method with general cost can overcome the shortcoming that has roofing rhegma seepage now but also also have following advantage:

1. make roofing be in the whole sealing status of approximately constant temperature, constant humidity, the top layer roofing temperature difference significantly reduces, annual range of temperature south is less than 20 ℃, the north is less than 30 ℃, essentially no thermal (temperature difference) stress, therefore prolong the life-span and the waterproof effect of roof waterpoof material, effectively prevented aging rhegma and the seepage that causes of roofing;

2. solve the shortcoming of cold in sultry and winter in common garret user summer, improved top layer user habitat condition, as the average temperature difference per day unit of table 2: ℃

	The roof external surface	Interior surface of roof	Inner temperature of room
	The roof external surface	Interior surface of roof	Inner temperature of room	The greening roof	32.6 winters 6 of summer	30.1 winters 15 of summer	28 winters 14 of summer
Non-greening roof	40 winters 4 of summer	36.2 winters 9 of summer	32.5 winters 8 of summer	The greening roof	32.6 winters 6 of summer	30.1 winters 15 of summer	28 winters 14 of summer
Non-greening roof	40 winters 4 of summer	36.2 winters 9 of summer	32.5 winters 8 of summer	The temperature difference	7.4 winters 2 of summer	6.1 winters 6 of summer	4.5 winters 6 of summer

3. form roof garden and growing area, both prevented and treated cities and towns and polluted, improve the ecological environment, save land use for greening again, leisure, amusement, the gymnasium of pure and fresh cleaning is provided;

4. promote the sale of top layer building, improved top layer building price, not only not needing increases building cost cost because of laying roofing of the present invention, obtains bigger economic benefit on the contrary.

Fig. 1 is a green leakage-proof energy-saving roof constructing method flow chart;

Fig. 2 is the sectional drawing of green leakage-proof energy-saving roof and discharge structure (I) thereof;

Fig. 3 is the elevation of green leakage-proof energy-saving roof and discharge structure (I) thereof;

Narrate the technology of the present invention content below in conjunction with accompanying drawing:

1. at first; lay the thick waterproof mortar of one deck 15～25mm at common accessible roof structure sheaf (A); be rigid waterproof layer (B); re-lay one deck flexible waterproof layer (C) at rigid waterproof layer (B); such as malthoid, plastics, PVC ointment and so on material; re-lay the thick light rigidity protective layer (D) of one deck 10～20mm at flexible waterproof layer (C); for alleviating load; rigid course (D) is selected air entrained concrete; flyash concrete consists of, and consists of so a hard and soft pair of complete waterproof construction.

2. then, lay the thick water conservation drainage blanket (E) of 10～20mm at rigid course (D), take fine granularity materials such as slag, slag, vermiculite, perlites as good, also can adopt the materials such as river sand, stone end and sandy soil, on water conservation drainage blanket (E), the drainage layer (F) that topped 10～20mm is thick, mainly be the organic matters such as straw, sawdust, dried leaf, play first the soil conservation water filtering function, second make its nutriment that slowly rots finally to change into, same, the root system of plant also can be converted into nutriment after rotting continuously, ripe organic matter such as mushroom fertilizer, farm manure etc. and fill on the drainage layer (F) after other raw materials mix;

3. last, fill out at drainage layer (F) and cover the thick composite plant soil layer (G) of 100～200mm, and at the light low plants such as the upper Turf Culture of composite plant soil layer (G), flowers, shrub, formation green layer (H); The preparation of composite plant soil layer (G) and laying will take into full account shot and long term fertility and unit weight, not only require unit weight light, and inorganic matter is abundant, the shot and long term fertility is good, and can take full advantage of waste material, has both reduced cost, turn harm into good again, its primary raw material component and proportioning are:

No. 1 composite plant local soil type part and proportioning:

Common vegetable garden soil: flyash class: farm manure=5: 3: 2

Unit weight is: 800kg/m～1000kg/m

(farm manure mainly refers to, ripe organic fertilizer such as mushroom fertilizer, tame animal manure.)

No. 2 composite plant local soil type divides and proportioning:

Producing fertilizer from refuse in daily life: flyash class: river soil: farm manure=5: 3: 1: 1

Unit weight is: 800kg/m～1000kg/m

(producing fertilizer from refuse in daily life refers to that mainly the residue behind the burning city domestic garbage piles up powder or other are through piling up ripe dregs for many years.)

4. be arranged on water conservation drainage blanket (E), the discharge structure (I) of drainage layer (F) and composite plant soil layer (G), it mainly is ponding well (1), ponding well (1) one side is near parapet wall (2), its excess-three face is retaining wall (4), outfall (3) is arranged at the bottom near parapet (2), retaining wall (4) is than the slightly high 10～20mm of composite plant soil layer (G), establish the wide lightweight drainage isolation strip (5) of 50～100mm between retaining wall (4) and the composite plant soil layer (G), mainly by slag, cinder, layings such as rubble form, several drainage tunnels (6) are established in the bottom of retaining wall (4), the bottom of drainage tunnel (6) is a little less than the top of water conservation drainage blanket (E), built on stilts cover plate (8) or rainwater bamboo comb are established in the top of ponding well, result in blockage in order to avoid foul rubbish or other foreign material enter.

Narrate the inventive method embodiment below:

Present embodiment is positioned at the triumphant rainbow residential district of sci-tech industrial park northwest, Shenzhen, Shenzhen side and hugs accessible roof No. six, gross area 850M, the greening aspect is amassed 820M, the about 30M of garden road and leisure facilities, the constructing method of its green leakage-proof energy-saving roof is as follows: the first step, directly, form rigid waterproof layer (B), about 24 hours of maintenance at the waterproof mortar of accessible roof deck top-pour 20mm; Second step, treat waterproof mortar dried and clean after, water the thick PVC ointment of 2mm, its upper berth layer of glass cloth waters the thick PVC ointment of 2mm, puts layer of plastic film, waters the thick PVC ointment of 2mm on it again, and spreads in a small amount of huskyly, forms flexible waterproof layer (C); The 3rd step, water the thick coal ash light concrete of 10mm, constitute light rigidity topping (D); The 4th step, the mixture of slag, chicken girt and sandy soil that laying 10mm is thick, i.e. lightweight water conservation drainage blanket (E); The 5th step was the thick sawdust of topped 15mm, i.e. drainage layer (F); The 6th step, on sawdust, fill out the thick composite plant soil of 130mm, this composite plant soil is common vegetable garden soil: flyash: mushroom fertilizer=5: 3: 2 forms composite plant soil layer (G); After the 7th step sprayed small amount of insecticide and tanned by the sun a couple of days, low shrub of Turf Culture and part and flowers, and water sufficient water and get final product.The construction of discharge structure (I) is as follows: the discharge structure of present embodiment (I) is arranged on the rigid protective (D); water conservation drainage blanket (E); between drainage layer (F) and the composite plant soil layer (G); one side is parapet (2); outfall (3) is arranged at the bottom; establish 14 of the outfall of 200mm 200mm size altogether; its excess-three face is retaining wall (4); high about 170mm; between retaining wall (4) and the composite plant soil layer (G); if the lightweight drainage isolation strip that 100mm is wide; mainly constitute by rubble and sandy soil; the drainage tunnel of high about 8mm is arranged at the bottom of retaining wall and built on stilts cover plate (8) is arranged at the top; preventing that foul rubbish from entering results in blockage; retaining wall (4) is built into by common brick; the about half brick size of drainage tunnel (6); water or when rainy, the unnecessary water that filters through drainage isolation strip (5) flows to ponding well (1) through drainage tunnel (6), the sewer pipe (7) that flows into common accessible roof through outfall (3) is drained then.

Claims

1. the constructing method of a green leakage-proof energy-saving roof, feature is the thick waterproof mortar of laying 15～25mm on common accessible roof deck (A) successively, be rigid waterproof layer (B), the flexible waterproof layer (C) that constitutes by malthoid, plastics, pvc ointment, the light rigidity topping (D) that the 10～20mm that is made of gas concrete, fly ash concrete is thick constitutes hard and soft pair of waterproof construction; Then rigid course (D) go up to lay 10～20mm thick based on the fine granularity material or the lightweight water conservation drainage blankets (E) of materials formations such as river sand, stone end and sandy soil such as slag, slag, vermiculite, perlites, the organic substance that topped 10～20mm is thick is main drainage layer (F), and on drainage layer (F), fill out and cover the thick composite plant soil layer (G) of 100～200mm, go up light low plant such as Turf Culture, flowers, shrub at composite plant soil layer (G) at last, form greening layer (H); Between water conservation drainage blanket (E), drainage layer (F) and composite plant soil layer (G), discharge structure (I) is set.

2. the constructing method of a kind of green leakage-proof energy-saving roof according to claim 1, the component and the proportioning of said composite plant soil layer (G) can be: common vegetable garden soil: flyash class: farm manure=5: 3: 2, unit weight are 800kg/m ³～1000kg/m ³

3. the constructing method of a kind of green leakage-proof energy-saving roof according to claim 1, the component and the proportioning of said composite plant soil layer (G) also can be: producing fertilizer from refuse in daily life: flyash class: river soil: farm manure=5: 3: 1: 1, and unit weight is 800kg/m ³～1000kg/m ³

4. the constructing method of a kind of green leakage-proof energy-saving roof according to claim 1, said about discharge structure (I) is arranged on water conservation drainage blanket (E), between drainage layer (F) and composite plant soil layer (G), ponding well (1) is arranged, one side is by parapet (2), in parapet (2) bottom outfall (3) is arranged, its excess-three face is retaining wall (4), establish between retaining wall (4) and the composite plant soil layer (G) 50～100mm wide by slag, the lightweight drainage isolation strip (5) that the slag class constitutes, retaining wall (4) bottom is provided with drainage tunnel (6), and its bottom is a little less than the top of water conservation drainage blanket (E).