CN104762999A - Self-adhesion coiled material underground waterproof construction method - Google Patents
Self-adhesion coiled material underground waterproof construction method Download PDFInfo
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Abstract
The invention relates to a self-adhesion coiled material underground waterproof construction method. The self-adhesion coiled material underground waterproof construction method comprises the following steps including the first step that a substrate is processed; the second step that internal and external corners and pipe orifice portions are processed; the positions of the internal and external corners are made into circular corners by using mortar, and a waterproof additional layer is additionally arranged; the waterproof additional layer is made of a self-adhesion coiled material, the two sides of the waterproof additional layer both are adhesive substances, the outer sides of the adhesive substances are coated with isolating membranes, the lower face of the waterproof additional layer is firmly bonded with the substrate, and the upper face of the waterproof additional layer is fixed to a self-adhesion coiled material waterproof layer in a bonding mode; the third step that the coiled material waterproof layer is paved; the fourth step that the isolating membranes on the self-adhesion coiled material waterproof layer are removed; the fifth step that cast-in-situ reinforced concrete construction is conducted. The self-adhesion coiled material underground waterproof construction method adopts cold construction operation and avoids possible fire accidents caused by the adoption of hot melting construction, the waste and pollution to energy and the environment due to the fact that hot melting construction adopts fuel oil and fuel gas are reduced, and the construction is safe and environmentally friendly.
Description
Technical field
The invention belongs to technical field of building construction, especially a kind of self-adhesive coiled material underground waterproof construction method.
Background technology
In underground waterproof construction, conventional waterproof coiled material is with regard to its material, it is very excellent waterproofing materials, but due to any type of stickup cannot be realized with after-pouring concrete after construction, there is a point to leak, just there will be the defect of large area " channeling water ", thus be difficult to ensure its waterproof reliability; And use common self-adhesive waterproof web, affect factors such as (construction environment is moist, dust is many and) bed course out-of-flatnesses by construction environment comparatively large, construction adaptability is short of.
Through retrieval, find two sections of documents relevant to present patent application:
1, APF adhesive waterproof coil construction method, notification number (CN103243925A), the method comprises plane construction and elevation construction, the construction of described plane comprises cleaning basic unit, basal plane snap the line, prepared polymer cement mortar, node processing, additional enhancement layer and negative and positive angle, overlay APF adhesive waterproof coil layer, be coated with scrape polymer cement mortar, paving APF adhesive waterproof coil layer, overlap joint, roll-in, receipts head, tissue check and accept; Described elevation construction comprises cleaning facade basic unit, facade basal plane coiled material location snap the line, brushing base treatment agent, node processing, paving APF adhesive waterproof coil layer, overlap joint, roll-in, receipts head, tissue examination.
2, coil fusing waterproof construction method for underground building, notification number (CN01128382.3), the method adopts multilayer woven glass fabric dip-coating pitch to make coiled material.The present invention takes as the leading factor with concrete self-waterproof, combines with waterproof coiled material, adopts Steam Heating, makes pitch again reach softening point, and pitch, to the infiltration of adjacent concrete, fusion, forms a closely knit waterproof community.Coiled material abundant raw material of the present invention, cheap, and make coiled material sticking veneer tight due to the infiltration of pitch, adhesion stress does not reach 100% peelable.
Contrasted by technical characteristic, in above-mentioned patent publication us, all adopt polymer cement mortar to do tack coat, inefficiency, and improve human cost.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, provide a kind of simple to operate, increase work efficiency, the self-adhesive coiled material underground waterproof construction method of good water-proof effect.
The solution of the present invention is achieved in that
A kind of self-adhesive coiled material underground waterproof construction method, comprises the steps:
Step one, base treatment
Dust in basic unit, sand grains, rubble, foreign material, greasy dirt and mortar thrust are removed clean, drying should be cleaned in surface, and an arc chord angle is done in corner;
Step 2, joint strengthening process
The process at negative and positive angle and mouth of pipe position: fillet made by negative and positive angle place mortar, sets up additional waterproof course together;
Step 3, the paving of self-adhesive coiled material waterproofing course
A, unwrapping wire are located: the control line of releasing self-adhesive coiled material waterproofing course in basic unit;
The overall layup sequence of self-adhesive coiled material waterproofing course is: first high across, rear low across; Equal height is first far away rear near; Same facade, place starts paving from high to low;
B, snap the line, examination paving: eject by actual overlap joint area on leveling layer and paste control line, strict with pasting control line examination paving and actual sticky paving self-adhesive coiled material waterproofing course, self-adhesive coiled material waterproofing course lap width is at 80mm ~ 100mm;
C, large area paving self-adhesive coiled material waterproofing course
Self-adhesive coiled material waterproofing course one side is pasted with barrier film, and another side is shiny surface, during laying, by shiny surface down;
The self-adhesive coiled material paving of D, facade and macrodome
The barrier film removing self-adhesive coiled material waterproofing course carries out pasting, being vented and roll-in;
After the exhaust of E, large area self-adhesive coiled material, compacting, then with hand-held air bells removing roll, overlapping part is rolled, outwards carry out roll-in from landing edge edge, deaeration, firm pasting;
F, seam are pasted and sealing
Self-adhesive coiled material lap seal: coiled material minor face lap-joint, coiled material receive head, duct wraps, special-shaped position, and should adopt self-adhesive rubber asphalt waterproofing coiled material Special seal cream, overlap edge sealed width is greater than 100mm;
G, when waterproofing course does two-layer, second layer overlap edge staggers with first floor, in order to avoid joint is overlapping, prevents locally channeling water;
The minor face joints of H, adjacent two row's coiled materials should stagger more than 1000mm mutually;
I, waterproofing course completion latter 24 hours in hidden, if there is closed-water test, then cover time should be started at the end of closed-water test;
Step 4, remove barrier film above self-adhesive coiled material waterproofing course;
Step 5, cast-in-situ concrete construction.
And, additional waterproof course in described step 2 is self-adhesive coiled material and two sides is bonding adhesive, outside bonding adhesive, note is covered with barrier film, below this additional waterproof course together with basic unit strong bond, and being adhesively fixed with self-adhesive coiled material waterproofing course above of additional waterproof course.
And, the wide 500mm of described additional waterproof course.
And described arc chord angle radius is 50mm.
Advantage of the present invention and good effect are:
1, this construction method is perfect, easy, workable, and labour intensity is low; Without the need to doing concrete cover, speed of application is fast, work efficiency is high, can guarantee the duration;
2, cold construction under employing pre-laid method normal temperature, does not need hot melt.Strip off isolated film is only needed during construction, can direct paving, construct very convenient, can effective reduction of erection time; Coiled material can with the characteristic of after-pouring concrete binding, solve basement bottom board outer anti-in paste a difficult problem.
3, low to basic level requirement during construction, save the duration.The even not levelling basal plane of humidity all can be constructed, and without the need to primary coat and pretreatment, construction degree of freedom is high, little by weather effect, greatly can save the duration.
4, this adhesive waterproof coil is compared with conventional waterproof coiled material, the creep technology of water-proof self-adhesion glue, self-closing technology, pressure-sensitive self-adhesion technology, reaction bonded technology organically combine together by this material, adhesive property persistence is strong, and adhesion strength is high, forms perfect waterproofing course with concrete base layer.This adhesive waterproof coil has higher tearing strength, effectively can resist base course crack, be out of shape the stress of generation to the destruction of waterproofing system; Penetration, shock resistance are higher; Excellent caking property ensure that the continuity that coiled material lapping stitches and sealing.
5, additional waterproof course is set up at Nodes, this additional waterproof course not only serves the waterproof action of Nodes, also can play fixation, namely together with basic unit strong bond, well can fix with large-area self-adhesive coiled material waterproofing course above it below additional waterproof course.
6, this construction method adopts cold construction operation, avoids adopting the hot melt application fire incident that may cause, and saves waste and pollution that hot melt application adopts fuel oil, combustion gas to cause the energy and environment, construction safety environmental protection.
Accompanying drawing explanation
Fig. 1 is the structural representation that additional waterproof course of the present invention is laid.
Detailed description of the invention
Below in conjunction with accompanying drawing, also by specific embodiment, the invention will be further described.
A kind of self-adhesive coiled material underground waterproof construction method, concrete steps are as follows:
Step one, base treatment
1, basic unit must be firmly smooth, and the dust in basic unit, sand grains, rubble, foreign material, greasy dirt and mortar thrust are removed clean, outstanding wedge angle must not be had, pit and surperficial dusting phenomenon, drying should be cleaned in surface, and corner should do the arc chord angle of radius 50mm as requested;
2, basic unit's water content requirement: without open fire pearl.
Step 2, joint strengthening process
The process at negative and positive angle and mouth of pipe position: the fillet of 50mm need be made by negative and positive angle place with mortar, set up additional waterproof course together, this additional waterproof course is self-adhesive coiled material, and is provided with glass-fiber-fabric together.The mouth of pipe and basal plane corner connection place, after wiping leveling layer, reserved groove, pointing encapsulant, then give the rust cleaning of pipeline surrounding, polishing, establish additional waterproof course within the scope of the surrounding 500mm at mouth of pipe position; The equal both sides, intersection, negative and positive angle such as basis brick loose tool, cushion cap, apron piece, single footing all respectively increase the wide extra play of 250mm; Garage bar base and water resistant plate hight difference 250mm place directly increase an overall coiled material 1000mm; Guarantee to reach waterproof effect comprehensively.
In accompanying drawing 1, the additional waterproof course 2 of one deck self-adhesive coiled material is laid at the negative and positive angle place of basic unit 1, and the wide 500mm of additional waterproof course, its two sides is bonding adhesive, and outside bonding adhesive, note is covered with barrier film, removes barrier film during use.This additional waterproof course not only serves waterproof action, also can play fixation, namely together with basic unit strong bond, well can fix above it with large-area self-adhesive coiled material waterproofing course below additional waterproof course.
Step 3, the paving of self-adhesive coiled material waterproofing course
, in order to avoid there is phenomenons such as misplacing, crooked during installation of membrane in 1, unwrapping wire location: the control line of releasing self-adhesive coiled material waterproofing course in basic unit.
The overall layup sequence of self-adhesive coiled material waterproofing course is: first high across, rear low across; Equal height is first far away rear near; Same facade, place starts paving from high to low.
2, snap the line, examination paving: eject by actual overlap joint area on leveling layer and paste control line, strict with pasting control line examination paving and actual sticky paving self-adhesive coiled material waterproofing course, to guarantee that self-adhesive coiled material waterproofing course lap width is 80mm ~ 100mm (coiled material has mark).According to on-the-spot feature, determine snap the line density, to guarantee that coiled material is pasted straight, can not occur because of accumulated error pasting crooked phenomenon.It is in place that coiled material first should try paving, after shape is correctly cut out on demand, can start actual paving.
3, large area paving self-adhesive coiled material waterproofing course
Self-adhesive coiled material waterproofing course one side is pasted with barrier film, and another side is shiny surface, during laying, by shiny surface down, and can permanent position by additional waterproofing layer.When sticky paving self-adhesive coiled material waterproofing course, should notice that reference line aligns at any time, in order to avoid occur that deviation is difficult to correct.During self-adhesive coiled material waterproofing course, self-adhesive coiled material must not firmly stretch.After stickup, use pressure roller immediately to both sides roll-in in the middle part of coiled material, deaeration, detail treatment waterproofing course coiled material is firmly pasted onto in basic unit, the isolated film of self-adhesive coiled material back side overlapping part is not taken off too early, in order to avoid pollute tack coat or by mistake sticky.
Mainly contain and draw laid process and roll laid process two kinds, in practice of construction, constructor according to the condition such as site environment, temperature, can determine bonding method voluntarily, but basic exhaust, compacting, wrinkle resistant requirement are still identical.
1) laid process is drawn
Detail treatment waterproofing course coiled material alignment fiducials line full width is spread out, from one, self-adhesive coiled material (together with isolated film) is uncovered, along the long center line doubling of coiled material width, with paper knife, isolated film limit is scratched gently, note not scratching coiled material, isolated film is carefully torn a bit of about 500mm from the self-adhesive coiled material back side long, two people make a concerted effort to take isolated film off, the sticky paving location of alignment fiducials line.First the self-adhesive coiled material that half range is long is spread out in place, hold the isolated film taken off evenly firmly to pull back, slowly isolated film long for residue half range is all pulled out, draw the integrality noting the isolated film pulled out during paving, discovery is torn, rupture and should stop immediately drawing paving, after being cleaned out by the isolated film remnants torn, then pull on paving.
2) laid process is rolled
Namely lift stripping detail treatment waterproof roll isolated film and paving self-adhesive coiled material carry out simultaneously.Do not need during construction to open entire volume coiled material, the core cylinder at a coiled material center is inserted into a steel pipe, then the initiating terminal put in Tai Zhidai bunk, steel pipe one end is respectively held by two people, and coiled material is put on display forward about 500mm, lifted the isolated film of stripping detail treatment waterproof roll by another people, and be rolled onto on used packaging core cylinder.Coiled material is aimed at detail treatment waterproof roll and put paving gently, then compacting in addition.Notice that the translational speed of lifting coiled material two people is identical, harmonious.Can not be too lax when rolling paving; After having spread a width coiled material, use long handle round brush, by origin or beginning, thoroughly get rid of the air below coiled material, and then with large pressuring roller or hand-held portable vibrator by coiled material compacting, firm pasting.
4, the paving of facade and macrodome
Because the adhesion stress of self-adhering-type coiled material and basic unit is relatively low, on facade or macrodome, detail treatment waterproof roll easily produces downslide phenomenon, therefore during sticking construction, carry out again pasting, being vented and roll-in after the bonding adhesive of coiled material bottom surface suitably should being heated with hand-hold gasoline blowtorch on facade or macrodome.
5, after large area self-adhesive coiled material exhaust, compacting, then with hand-held air bells removing roll, overlapping part is rolled, outwards carry out roll-in from landing edge edge, deaeration, firm pasting.
6, seam is pasted and sealing
Self-adhesive coiled material lap seal: coiled material minor face lap-joint, coiled material receive head, duct wraps, special-shaped position, should adopt self-adhesive rubber asphalt waterproofing coiled material Special seal cream.Overlap edge sealed width is not less than 100mm.
7, when waterproofing course does two-layer, second layer overlap edge staggers with first floor, in order to avoid joint is overlapping, prevents local channeling water.
8, the minor face joints of adjacent two row's coiled materials should stagger more than 1000mm mutually, in order to avoid multilayer joint is overlapping and to make coiled material paste uneven.Water repellent area is very large, and during necessary staged construction, in pilot process, interim receipts head is a lot, and Special seal cream should be adopted to carry out temporary enclosed.
9, after pasting, by solar exposure, minor surface gauffer, bubbling may be there is, this is normal phenomenon, its water resistance can not be affected, and namely can disappear once hidden.
10, waterproofing course should be hidden as early as possible, should not be exposed to the sun for a long time.Usually should be hidden in waterproofing course completes latter 24 hours, if there is closed-water test, then cover time should be started at the end of closed-water test.
Step 4, remove barrier film above self-adhesive coiled material waterproofing course.
Step 5, cast-in-situ concrete construction.
Points for attention:
The feature of self-adhesive coiled material waterproofing course is and pre-installed and inverted adhered, even if there is local failure, also can not channeling water, and so ensure with concrete anti-cement amount very important.Feature due to coiled material is self-adhesive, easily occurs " in advance " bonding phenomenon during operation, namely opens to be placed on basal plane when the isolated film of self-adhesive coiled material just to bond, and often occurs sprawling injustice, has the phenomenons such as bubbling.Propose following item need pay special attention to for this reason:
1) during sticky paving, should note at any time aliging with reference line, in order to avoid occur that deviation is difficult to correct.When coiled material is pasted, coiled material must not firmly stretch.After stickup, use roll-in immediately to both sides roll-in in the middle part of coiled material, discharge air, detail treatment waterproof roll is firmly pasted onto in basic unit.The isolated film of coil back surface overlapping part is not taken off too early, in order to avoid pollute tack coat or by mistake sticky, should take off before next procedure construction.
2) basic unit must clean out, and if any the insecure position of basal plane, detail treatment waterproof roll can be caused to connect the phenomenon of substrate surface attachment pull-up, therefore requires that basic unit must firmly, totally.
FAQs treatment measures
1, bubble, hollowing
Because basic unit is moist, leveling layer is not dry, moisture content is excessive, makes film hollowing, forms bubbling.Processing method: first will play tympanic part and divide and all prescind, and expose basic unit, discharges moisture, after basic unit's drying, then repairs according to the construction method of waterproofing course.
2, alice
The end of waterproofing course or receipts head place occur peeling off alice phenomenon with basic unit, and mainly because basic unit is untreated good, unclean or dry, during receipts head, encapsulation process is bad.Want during construction carefully, will note carrying out draining during detail construction, prevent the construction of band water, rainy day must not construct, and basic unit will keep dry; To the waterproofing course producing alice, should first the part peeling off alice be prescinded, basic unit cleaned up, paving detail treatment waterproof roll, then carries out large area construction of waterproof layer.
3, damaged
After construction of waterproof layer, before solidification, do not note protection, by other operation breakage in installations, scuffing.For badly broken person, damaged portion should be prescinded (slightly larger), expose basic unit and clean out, then according to construction requirement, sequentially, waterproofing course is doed for supplement in layering.
It should be noted that, self-adhesive coiled material involved in the present invention, its pulling force/(N/50mm) >=150, maximum pull elongation per unit length/% >=30, heat resistance >=65 DEG C, peel strength/(N/mm) >=1.5 after soaking with cement mortar, thickness is 1.5-2.0mm.The self-adhesive coiled material meeting These parameters all can use, and may also be the CPF response type adhesive waterproof coil that Qicui Waterproof Materials Engineering Co., Ltd., Tianjin City produces.
Performance analysis
The present invention and traditional handicraft comparative analysis as follows:
Application example
1, Xiang Yi garden in Binhai New Area in Tianjin is positioned at new city century avenue southern side, Gangdong, huge port, Pests in Tianjin Binhai New Area, project total construction land area 91247.8 ㎡, overall floorage 135089.33 ㎡ (not containing latency design area), superstructure area is 100460.02 ㎡, wherein house is 96993.45 ㎡, complement public building is 3466.57 ㎡, and underground garage building area is 34716.75 ㎡.This engineering amounts to 30 buildings, and wherein: 5 ~ 64, floor foreign-style house, 16,6 ~ 7 floor foreign-style house, 10,8 ~ 9 floor foreign-style house, overlooking business 1 floor, there is one deck underground garage local.
2, rich Jia Huayuan projects is positioned at No. 17, Tianjin Hebei District Zhongshan North Road, engineering east side is Tianjin Railway Branch Administration of Tianjin Railway Area office, southern side is Zhongshan North Road, west side is hostel, Tianjin Railway Branch Administration first, and north side is peaceful park, north, traffic convenience, this project overground part comprises 4 13 floor high-rise, 53 floor buildings for commercial use and other ancillary building, adopt frame structure, type of foundation is pile foundation (bored pile); Under ground portion is two-layer underground garage (one deck floor height is that 5.30m, two is high for 4.85m layer by layer), overall floorage 90906.85 ㎡.
Above-mentioned two project construction basement bottom board waterproof adopt this engineering method, overall process is in controllable state that is safe, stable, quick, high-quality, reach the waterproof requirement needed for engineering, body structure surface both also occurred without wet stain without occurring leaking, waterproof effect is better, economic benefit is given prominence to, and obtains the favorable comment of each side.
It is emphasized that; embodiment of the present invention is illustrative; instead of it is determinate; therefore the present invention includes the embodiment be not limited to described in detailed description of the invention; every other embodiments drawn by those skilled in the art's technical scheme according to the present invention, belong to the scope of protection of the invention equally.
Claims (4)
1. a self-adhesive coiled material underground waterproof construction method, is characterized in that: comprise the steps:
Step one, base treatment
Dust in basic unit, sand grains, rubble, foreign material, greasy dirt and mortar thrust are removed clean, drying should be cleaned in surface, and an arc chord angle is done in corner;
Step 2, joint strengthening process
The process at negative and positive angle and mouth of pipe position: fillet made by negative and positive angle place mortar, sets up additional waterproof course together;
Step 3, the paving of self-adhesive coiled material waterproofing course
A, unwrapping wire are located: the control line of releasing self-adhesive coiled material waterproofing course in basic unit;
The overall layup sequence of self-adhesive coiled material waterproofing course is: first high across, rear low across; Equal height is first far away rear near; Same facade, place starts paving from high to low;
B, snap the line, examination paving: eject by actual overlap joint area on leveling layer and paste control line, strict with pasting control line examination paving and actual sticky paving self-adhesive coiled material waterproofing course, self-adhesive coiled material waterproofing course lap width is at 80mm ~ 100mm;
C, large area paving self-adhesive coiled material waterproofing course
Self-adhesive coiled material waterproofing course one side is pasted with barrier film, and another side is shiny surface, during laying, by shiny surface down;
The self-adhesive coiled material paving of D, facade and macrodome
The barrier film removing self-adhesive coiled material waterproofing course carries out pasting, being vented and roll-in;
After the exhaust of E, large area self-adhesive coiled material, compacting, then with hand-held air bells removing roll, overlapping part is rolled, outwards carry out roll-in from landing edge edge, deaeration, firm pasting;
F, seam are pasted and sealing
Self-adhesive coiled material lap seal: coiled material minor face lap-joint, coiled material receive head, duct wraps, special-shaped position, and should adopt self-adhesive rubber asphalt waterproofing coiled material Special seal cream, overlap edge sealed width is greater than 100mm;
G, when waterproofing course does two-layer, second layer overlap edge staggers with first floor, in order to avoid joint is overlapping, prevents locally channeling water;
The minor face joints of H, adjacent two row's coiled materials should stagger more than 1000mm mutually;
I, waterproofing course completion latter 24 hours in hidden, if there is closed-water test, then cover time should be started at the end of closed-water test;
Step 4, remove barrier film above self-adhesive coiled material waterproofing course;
Step 5, cast-in-situ concrete construction.
2. self-adhesive coiled material underground waterproof construction method according to claim 1, it is characterized in that: the additional waterproof course in described step 2 is self-adhesive coiled material and two sides is bonding adhesive, outside bonding adhesive, note is covered with barrier film, below this additional waterproof course together with basic unit strong bond, being adhesively fixed with self-adhesive coiled material waterproofing course above of additional waterproof course.
3. self-adhesive coiled material underground waterproof construction method according to claim 1 and 2, is characterized in that: the wide 500mm of described additional waterproof course.
4. self-adhesive coiled material underground waterproof construction method according to claim 1, is characterized in that: described arc chord angle radius is 50mm.
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| CN105544617A (en) * | 2015-09-24 | 2016-05-04 | 中建四局第一建筑工程有限公司 | Integration construction method for basement soleplate and waterproof roll as well as waterproof structure |
| CN105887923A (en) * | 2016-04-13 | 2016-08-24 | 中国十七冶集团有限公司 | Construction method for pre-paving and invertedly adhering waterproof coiled material in large underground waterproof project |
| CN109322412A (en) * | 2018-10-15 | 2019-02-12 | 筑梦高科建筑有限公司 | Waterproof roll is mechanically fixed construction technology |
| CN110761422A (en) * | 2019-10-09 | 2020-02-07 | 中国二十冶集团有限公司 | Protection method for reserved lap joint after horizontal laying of waterproof coiled material |
| CN111608278A (en) * | 2020-06-11 | 2020-09-01 | 中国十七冶集团有限公司 | Construction method of self-adhesive waterproof coiled material |
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| CN105544617A (en) * | 2015-09-24 | 2016-05-04 | 中建四局第一建筑工程有限公司 | Integration construction method for basement soleplate and waterproof roll as well as waterproof structure |
| CN105544617B (en) * | 2015-09-24 | 2017-12-05 | 中建四局第一建筑工程有限公司 | A kind of basement bottom board and waterproof roll integral construction method and waterproof construction |
| CN105887923A (en) * | 2016-04-13 | 2016-08-24 | 中国十七冶集团有限公司 | Construction method for pre-paving and invertedly adhering waterproof coiled material in large underground waterproof project |
| CN109322412A (en) * | 2018-10-15 | 2019-02-12 | 筑梦高科建筑有限公司 | Waterproof roll is mechanically fixed construction technology |
| CN110761422A (en) * | 2019-10-09 | 2020-02-07 | 中国二十冶集团有限公司 | Protection method for reserved lap joint after horizontal laying of waterproof coiled material |
| CN111608278A (en) * | 2020-06-11 | 2020-09-01 | 中国十七冶集团有限公司 | Construction method of self-adhesive waterproof coiled material |
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Application publication date: 20150708 |