The lapped configuration of polyethylene polypropylene fiber waterproof coiled material and SBS modified bituminous pitch coiled material and engineering method
Technical field
The present invention relates to construction of waterproof layer technical field, particularly a kind of be applicable to basement or the construction of roofing flexible waterproof layer polyethylene polypropylene fiber waterproof coiled material and the lapped configuration of SBS modified bituminous pitch coiled material and engineering method.
Background technology
In building waterproof layer construction, often can run into the problem of different waterproof coiled material lapping construction, if different monomers is by build separately or designing unit designs respectively but basement or roofing are communicated with, or same watertight area needs to select dissimilar waterproof roll as flexible waterproof layer, in prior art, the lapping construction technology of waterproof roll of the same race is mature on the whole, and it is relatively less for the lapping construction research of waterproof roll not of the same race, because the type selecting of waterproof roll exists difference, the lapping construction of waterproof roll is caused to have difficulties, dissimilar waterproof roll lap-joint is because of construction technology difference, easy appearance overlap joint is unreliable, the problem of closure difference.And in the problems referred to above, the overlap joint problem of SBS modified asphalt waterproof coiled material and polyethylene polypropylene fiber waterproof coiled material is problem common in constructing at present, because construction technology and material behavior differ comparatively large, overlap more difficult.
Summary of the invention
The object of the invention is the lapped configuration and the engineering method that provide a kind of polyethylene polypropylene fiber waterproof coiled material and SBS modified bituminous pitch coiled material, solve in prior art due to the material speciality difference of SBS modified asphalt waterproof coiled material and polyethylene polypropylene fiber waterproof coiled material comparatively greatly, cause the lapping construction of waterproof roll to have difficulties, easily occur overlapping unreliable, that closure is poor problem; Also solve the loaded down with trivial details and problem that overlap joint material cost is high of the lapping construction of waterproof roll in prior art.
For solving the problems of the technologies described above, the present invention takes following technical scheme:
The lapped configuration of a kind of polyethylene polypropylene fiber waterproof coiled material and SBS modified bituminous pitch coiled material, comprise the polyethylene polypropylene fiber waterproof coiled material and SBS modified asphalt waterproof coiled material that overlap, described SBS modified asphalt waterproof coiled material is located at bottom and basic unit fits, described polyethylene polypropylene fiber waterproof coiled material is in the superiors, bonding layer is provided with between described polyethylene polypropylene fiber waterproof coiled material and SBS modified asphalt waterproof coiled material, it is characterized in that: described bonding layer comprises two-sided butyl rubber belt and polyethylene polypropylene articulamentum from bottom to top, described polyethylene polypropylene articulamentum is the polyethylene polypropylene fiber waterproof coiled material that one side tears that non-woven fabrics forms adhesive surface off, described adhesive surface and two-sided butyl rubber belt bond, another side and the SBS modified asphalt waterproof coiled material of described two-sided butyl rubber belt bond, described bonding layer is bondd by the polyethylene polypropylene fiber waterproof coiled material on cement bonding agent and upper strata, the overlapping the slot sealing butyl rubber belt sealing of described polyethylene polypropylene fiber waterproof coiled material and SBS modified asphalt waterproof coiled material.
As the preferred technical solution of the present invention, described polyethylene polypropylene fiber waterproof coiled material is identical with the coiled material number of plies of SBS modified asphalt waterproof coiled material, for double-deck or sandwich construction, during overlap joint, SBS modified asphalt waterproof coiled material length from bottom to top successively reduces, corresponding polyethylene polypropylene fiber waterproof coiled material length from bottom to top successively increases, polyethylene polypropylene fiber waterproof coiled material and SBS modified asphalt waterproof coiled material be corresponding overlap joint successively, form the lap belt staggered one by one, adjacent two lap belts are at a distance of 300 ~ 600mm.
As present invention further optimization technical scheme, when described polyethylene polypropylene articulamentum itself is also bridging arrangement, bondd by articulamentum butyl rubber belt between two polyethylene polypropylene articulamentums, the bottom polyethylene polypropylene articulamentum of adhesive segment is the polyethylene polypropylene fiber waterproof coiled material that two sides all tears non-woven fabrics off.
A construction method for polyethylene polypropylene fiber waterproof coiled material and SBS modified asphalt waterproof coiled material lapped configuration, is characterized in that comprising the steps:
Carry out overlap edge process to the double-decker of SBS modified asphalt waterproof coiled material when step one, construction, form the bridging arrangement that lower floor head upper strata is short, bilevel lap belt is 300 ~ 600mm apart, for later stage successively lapping construction;
Step 2, after SBS modified asphalt waterproof coiled material has been constructed, removing surface is carried out to it;
Step 3, in lap belt, paste two-sided butyl rubber belt: in the lap belt of SBS modified asphalt waterproof coiled material every layer, paste two-sided butyl rubber belt respectively and compacting, itself and waterproof roll are closely pasted, avoid producing hollowing, wrinkle, alice, the diaphragm now outside two-sided butyl rubber belt temporarily retains;
Step 4, making polyethylene polypropylene articulamentum: cut the polyethylene polypropylene fiber waterproof coiled material as polyethylene polypropylene articulamentum, the top layer non-woven fabrics of side is removed, exposes the adhesive surface of polyethylene core, be convenient to closely paste with two-sided butyl rubber belt;
Step 5, on two-sided butyl rubber belt sticking polyethylene polyproylene fiber articulamentum: the diaphragm throwing off two-sided butyl rubber belt upper surface, is pasted onto on two-sided butyl rubber belt by the polyethylene polypropylene articulamentum made, smooth compacting after closely pasting;
Step 6, laying first floor polyethylene polypropylene fiber waterproof coiled material: after polyethylene polypropylene articulamentum has been pasted, use the lap belt on bonding agent and SBS modified asphalt waterproof coiled material bottom to bond first floor polyethylene polypropylene fiber waterproof coiled material, namely paste with polyethylene polypropylene articulamentum; Paste sealing butyl rubber belt in overlapping the slot place after stickup to seal;
Step 7, laying second layer polyethylene polypropylene fiber waterproof coiled material: used by the second layer polyethylene polypropylene fiber waterproof coiled material lap belt on the upper strata of bonding agent and SBS modified asphalt waterproof coiled material to bond, namely paste with the polyethylene polypropylene articulamentum on upper strata; Paste sealing butyl rubber belt in overlapping the slot place after stickup to seal;
Step 8, by lap belt planeness arrange, quality inspection, so far, overlap joint completes.
In step 4, if when polyethylene polypropylene articulamentum is as overlapped, overlap articulamentum butyl rubber belt carries out bonding, and the upper strata non-woven fabrics being positioned at the overlap joint scope of the polyethylene polypropylene articulamentum of lower floor of lap-joint also tears off in the lump.
Compared with prior art, technical advantage of the present invention is:
This construction is the optimal technical scheme by drawing after several overlap joint scheme test comparison, provide a kind of overlap joint problem being applicable to dissimilar waterproof roll particularly SBS modified asphalt waterproof coiled material and polyethylene polypropylene fiber waterproof coiled material, lapped configuration is simple, material construction is low, easy to operate during construction, operation is simple, and overlap joint quality is good, globality is strong, good water-proof effect.To solve in prior art because SBS modified asphalt waterproof coiled material is comparatively large with the material speciality difference of polyethylene polypropylene fiber waterproof coiled material, cause the lapping construction of waterproof roll to have difficulties, easily occur overlapping unreliable, that closure is poor problem, and lapping construction is loaded down with trivial details and overlap the high problem of material cost.
Accompanying drawing explanation
Fig. 1 is the structural representation of the lapped configuration of polyethylene polypropylene fiber waterproof coiled material and the SBS modified bituminous pitch coiled material that the present invention relates to;
The structural representation of adjacent two lap belts that Fig. 2 is the waterproof roll that the present invention relates to when being bilayer;
Fig. 3 is the overlap structural representation that the polyethylene polypropylene articulamentum that the present invention relates to needs when overlapping.
Reference numeral: the two-sided butyl rubber belt of 1-polyethylene polypropylene fiber waterproof coiled material, 2-SBS modified asphalt waterproof coiled material, 3-bonding layer, 31-, 32-polyethylene polypropylene articulamentum, 33-articulamentum butyl rubber belt, 4-cement bonding agent, 5-basic unit, 6-seal butyl rubber belt.
Detailed description of the invention
Illustrate below in conjunction with accompanying drawing and content of the present invention be further elaborated:
As shown in Figures 1 to 3, the lapped configuration of a kind of polyethylene polypropylene fiber waterproof coiled material and SBS modified bituminous pitch coiled material, comprise the polyethylene polypropylene fiber waterproof coiled material 1 and SBS modified asphalt waterproof coiled material 2 that overlap, described SBS modified asphalt waterproof coiled material 2 is located at bottom and basic unit 5 fits, described polyethylene polypropylene fiber waterproof coiled material 1 is in the superiors, bonding layer 3 is provided with between described polyethylene polypropylene fiber waterproof coiled material 1 and SBS modified asphalt waterproof coiled material 2, it is characterized in that: described bonding layer 3 comprises the wide two-sided butyl rubber belt 31 of the thick 300mm of 3mm and polyethylene polypropylene articulamentum 32 from bottom to top, described polyethylene polypropylene articulamentum 32 is the long 3000mm of wide 300mm, one side tears the polyethylene polypropylene fiber waterproof coiled material that non-woven fabrics forms adhesive surface off, described adhesive surface and two-sided butyl rubber belt 31 bond, another side and the SBS modified asphalt waterproof coiled material 2 of described two-sided butyl rubber belt 31 bond, described bonding layer 3 is bondd by the polyethylene polypropylene fiber waterproof coiled material 1 of cement bonding agent 4 with upper strata, the overlapping the slot sealing butyl rubber belt 6 of described polyethylene polypropylene fiber waterproof coiled material 1 and SBS modified asphalt waterproof coiled material 2 seals.
Described polyethylene polypropylene fiber waterproof coiled material 1 is identical with the coiled material number of plies of SBS modified asphalt waterproof coiled material 2, for double-deck or sandwich construction, during overlap joint, SBS modified asphalt waterproof coiled material 2 length from bottom to top successively reduces, corresponding polyethylene polypropylene fiber waterproof coiled material 1 length from bottom to top successively increases, polyethylene polypropylene fiber waterproof coiled material 1 and SBS modified asphalt waterproof coiled material 2 be corresponding overlap joint successively, form the lap belt staggered one by one, adjacent two lap belts are at a distance of 300 ~ 600mm.
Described polyethylene polypropylene articulamentum 32 itself is also bridging arrangement, bondd by articulamentum butyl rubber belt 33 between two polyethylene polypropylene articulamentums, the bottom polyethylene polypropylene articulamentum 32 of adhesive segment is the polyethylene polypropylene fiber waterproof coiled material that two sides all tears non-woven fabrics off.
The invention still further relates to the construction method of the lapped configuration of a kind of polyethylene polypropylene fiber waterproof coiled material and SBS modified bituminous pitch coiled material, it is characterized in that comprising the steps:
Until design lap position in the basic unit 5 that step one, SBS modified asphalt waterproof coiled material 2 first adopt hot melt to be welded on rigid waterproofing, during construction, overlap edge process is carried out to the double-decker of SBS modified asphalt waterproof coiled material 2, form the bridging arrangement that lower floor head upper strata is short, for later stage successively lapping construction; The overlap edge of every layer of SBS modified asphalt waterproof coiled material 2 marks the accurate location of lap belt, and every layer of waterproof roll arranges the wide lap belt of 300mm, and bilevel lap belt is at a distance of 300 ~ 600mm;
Step 2, after SBS modified asphalt waterproof coiled material 2 has been constructed, removing surface is carried out to it, before overlap joint being implemented, having needed the SBS coil waterproof layer removing surface by having constructed clean, there is no the foreign material such as laitance, dirt;
Step 3, in lap belt, paste two-sided butyl rubber belt 31: in SBS modified asphalt waterproof coiled material 2 lap belt of every layer, paste the wide two-sided butyl rubber belt of 300mm respectively and compacting, itself and waterproof roll are closely pasted, avoid producing hollowing, wrinkle, alice, the diaphragm now outside two-sided butyl rubber belt temporarily retains;
Step 4, making polyethylene polypropylene articulamentum 32: cut the polyethylene polypropylene fiber waterproof coiled material as polyethylene polypropylene articulamentum, the top layer non-woven fabrics of side is removed, exposes adhesive surface and be convenient to closely paste with two-sided butyl rubber belt; Polyethylene polypropylene fiber waterproof coiled material is cut into 300 × 3000 ~ 5000 ㎜ strips, length setting is that 3000 ~ 5000mm is mainly in order under laying straight prerequisite, increase the length of every section of polyethylene polypropylene articulamentum as far as possible, through overtesting, this length is comparatively suitable in construction quality guarantee, length is long, pastes not easily straight and gets over to still needing during the places such as corner to cut off, length is resolute, and then the lapping of polyethylene polypropylene articulamentum own is too many, quality not easily ensures, as pasting the polyethylene polypropylene articulamentum determining base adhesive tape and SBS coiled material;
If polyethylene polypropylene articulamentum 32 needs overlap joint, the wide articulamentum butyl rubber belt 33 of overlap 50mm carries out bonding, and the upper strata non-woven fabrics being positioned at the overlap joint scope of the polyethylene polypropylene articulamentum of lower floor of lap-joint also tears off in the lump;
Step 5, on two-sided butyl rubber belt sticking polyethylene polyproylene fiber articulamentum 32: the diaphragm throwing off two-sided butyl rubber belt upper surface, is pasted onto on two-sided butyl rubber belt by the polyethylene polypropylene articulamentum made, smooth compacting after closely pasting;
The polyethylene polypropylene fiber waterproof coiled material 1 of step 6, laying lower floor: after polyethylene polypropylene articulamentum has been pasted, use the lap belt on bonding agent and SBS modified asphalt waterproof coiled material bottom to bond first floor polyethylene polypropylene fiber waterproof coiled material, namely paste with polyethylene polypropylene articulamentum; Paste sealing butyl rubber belt 6 in overlapping the slot place after stickup to seal;
The polyethylene polypropylene fiber waterproof coiled material 1 on step 7, laying upper strata: used by the second layer polyethylene polypropylene fiber waterproof coiled material lap belt on the upper strata of bonding agent and SBS modified asphalt waterproof coiled material to bond, namely paste with the polyethylene polypropylene articulamentum on upper strata; Paste sealing butyl rubber belt 6 in overlapping the slot place after stickup to seal;
Step 8, by lap belt planeness arrange, quality inspection, so far, overlap joint completes.