CN102409767B - Construction method of waterproof leaking stoppage structure of building seam - Google Patents
Construction method of waterproof leaking stoppage structure of building seam Download PDFInfo
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- CN102409767B CN102409767B CN 201110359818 CN201110359818A CN102409767B CN 102409767 B CN102409767 B CN 102409767B CN 201110359818 CN201110359818 CN 201110359818 CN 201110359818 A CN201110359818 A CN 201110359818A CN 102409767 B CN102409767 B CN 102409767B
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Abstract
The invention discloses a waterproof leaking stoppage structure of a building seam and a construction method. The waterproof leaking stoppage structure of the building seam, disclosed by the invention, comprises a building seam, structural bodies located at two sides of the building seam and a water stop. A water stopping surface of each structural body includes a groove which is parallel with the building seam; the two sides of the water stop include flangings which are inserted into the grooves; and the grooves are filled with a binder which is used for fixing the flangings of the water stop into the grooves. The waterproof leaking stoppage structure disclosed by the invention has the advantages of good waterproof performance, low working hour consumption, low usage of the binder, simple construction process as well as small exposed area of the binder during the construction and is hardly polluted.
Description
[technical field]
The present invention relates to fabric structure, relate in particular to a kind of building seam waterproof, leaking stoppage structure and job practices.
[background technology]
The building seam comprises that constuction joint and deformation joint, the spacing of constuction joint are 0.Deformation joint comprises shrinkage joint, settlement joint, aseismatic joint, and the spacing of deformation joint is 20-300mm usually.
In order to prevent that extraneous water from infiltrating the building seam, the building seam need to carry out waterproof, blocking construction.
The waterproof of the building deformation joint of existing employing epobond epoxyn, leaking stoppage structure comprise adhesive linkage and anchor point 4 that deformation joint 1, seam side structure body 2, waterstop 3, epobond epoxyn form as shown in Figure 1.The water proof structure of Current Building ' seam and construction technology are carried out according to the regulation in China industry standard JGJ/T212-2010 " leakage of underground engineering improvement tecnical regulations " 4.2.5 joint.
This water proof structure and construction technology have following shortcoming:
1) coiled material waterstop 1 all is up and down epobond epoxyn, adhesive A, after B two components are mixed, in initial 20～40 minutes, adhesive is body of paste, the coiled material waterstop is elastic body, because not constraint on every side, keep adhesive and coiled material waterstop to be in correct position this moment, keep correct shape very difficult, if suppress with weight, adhesive can not keep shape shown in Figure 1, if suppress without weight, the coiled material waterstop is in distortion, will rebound in the distortion position, no matter be adhesive, the perhaps variation of coiled material waterstop shape, all may finally form the space, the defectives such as void is sticking have been destroyed the waterproof reliability.
2) adhesive solidify to form preliminary adhesive strength needs several hours, need to keep in touch during this period pressure between coiled material waterstop, concrete substrate and the adhesive, otherwise easily form empty sticking, this needs the workman to expend the more time, can not accomplish " rush ", not only empty work consuming is taken, and can not satisfy construction period.
3, epobond epoxyn is exposed outside, and easily contaminated environment is unfavorable for civilized construction.
4, the epobond epoxyn consumption is large.
[summary of the invention]
The technical problem to be solved in the present invention provides a kind of waterproof, the leak stopping reliability is high, operation is convenient, it is few to expend man-hour, and binder dosage is little, building seam waterproof, leaking stoppage structure that the adhesive bare area is little.
Another technical problem that will solve of the present invention provides the job practices of a kind of above-mentioned building seam waterproof, leaking stoppage structure.
In order to solve the problems of the technologies described above, the technical solution used in the present invention is, a kind of building seam waterproof, leaking stoppage structure, comprise the building seam, be positioned at structure and waterstop that building is stitched both sides, comprise the groove parallel with the building seam on the sealing face of described structure, the both sides of described waterstop comprise flanging, and described flanging is inserted in the described groove, be filled with adhesive in the groove, described adhesive is fixed on the flanging of waterstop in the groove.
Above-described building seam waterproof, leaking stoppage structure comprise adhesive phase between the sealing face of described waterstop and structure, and described adhesive phase is adhered to waterstop on the sealing face of structure.
Above-described building seam waterproof, leaking stoppage structure, the flanging of waterstop comprises a plurality of anchor holes along the length direction of waterstop, the adhesive in the groove is filled in the described anchor hole, forms dowel.
Above-described building seam waterproof, leaking stoppage structure, described waterstop is the macromolecule coiled material, described adhesive is epobond epoxyn; The width of described groove is the 4.5-6 millimeter, groove depth 12-15 millimeter; The aperture of described anchor hole is that 4-6 millimeter, pitch of holes are that 50-150 millimeter, bore edges are the 2.5-3.5 millimeter apart from the distance of hemmed edges.
Above-described building seam waterproof, leaking stoppage structure, the middle part of described waterstop comprises the recess of strip, described recess sinks in the described building seam.
The technical scheme of a kind of above-mentioned building seam waterproof, leaking stoppage structure job practices may further comprise the steps:
601) leave the groove parallel with building seam at the sealing face of the structure of building the seam both sides;
The direction of 602) stitching along building is laid the macromolecule coiled material as waterstop;
603) in groove, inject epobond epoxyn;
604) the side insertion with the macromolecule coiled material is filled with in the groove of epoxy resin;
605) with the fixing macromolecule coiled material of temporary fixed thing;
606) remove temporary fixed thing.
Above-described job practices can also may further comprise the steps:
701) before step 601 finishing structure the sealing face, comprise polish and or fill;
702) after step 601, step 602 is brushwork epoxy resin on the sealing face of structure before;
703) before step 602, according to the spacing between the groove, cutting macromolecule coiled material;
704) bonding plane of cleaning macromolecule coiled material;
705) the macromolecule coiled material is opened anchor hole, and the aperture of described anchor hole is that 4-6 millimeter, pitch of holes are that 50-150 millimeter, bore edges are the 2.5-3.5 millimeter apart from the distance of hemmed edges.
Above-described job practices can also may further comprise the steps:
801) after step 601, before the step 602, holding successfully on the groove or boring a plurality of expansion pores at 10-20 millimeter place, the groove outside, the aperture of expansion pore is equal to or greater than the width of groove, the degree of depth of expansion pore is greater than the degree of depth of groove, and the spacing between the expansion pore is 150 to 200 millimeters;
802) after step 604, in described expansion pore, be inserted into plastic dowel sleeve, when the expansion tube hole drill was on groove, the plastic dowel sleeve that is inserted into was positioned at the outside of macromolecule coiled material flanging;
803) the temporary fixed thing that uses in step 605 comprises plural groups, and every group comprises 2 screws, 2 cushion blocks, 1 press strip and 2 block pressur plates; The length of described press strip is pressed in the top of macromolecule coiled material greater than the spacing between the expansion pore along the inboard of groove; Described 2 cushion blocks are arranged in the outside of 2 plastic dowel sleeves, and the middle part of described pressing plate comprises screw hole, a side pressure of pressing plate on cushion block, another side pressure
End at press strip; Described screw passes the screw hole of pressing plate, is screwed in the described expansion tube.
Above-described job practices, step 603,604,802 and 803 minutes sides are successively finished, and be may further comprise the steps:
901) the macromolecule coiled material that overturns after a side completing steps 603,604 and 802 the work exposes the bonding plane of macromolecule coiled material, epoxy resin coating adhesive on the bonding plane of the macromolecule coiled material of completing steps 603,604 and 802 work one side;
902) reply the macromolecule coiled material, the sealing face of the macromolecule coiled material of epoxy resin coating adhesive and structure is bonding;
903) behind the completing steps 902, carry out again opposite side step 603,604 and 802 work.
The present invention builds that seam waterproof, leaking stoppage structure waterproof reliability are high, to expend man-hour few, and binder dosage is little, and construction technology is simple, but the visual inspection construction quality, and the adhesive bare area is little during construction, is not vulnerable to pollute.
[description of drawings]
The present invention is further detailed explanation below in conjunction with the drawings and specific embodiments.
Fig. 1 is the node diagram of prior art building seam waterproof, leaking stoppage structure.
Fig. 2 is that the present invention builds seam waterproof, leaking stoppage structure embodiment node diagram.
Fig. 3 is that the present invention builds seam waterproof, the temporary fixing structure exploded view when leaking stoppage structure embodiment constructs.
Fig. 4 is the temporary fixing structure figure that the present invention builds seam waterproof, leaking stoppage structure embodiment Construction State.
Fig. 5 is that the present invention builds seam waterproof, leaking stoppage structure embodiment groove and expansion tube hole site schematic diagram.
[specific embodiment]
Build to the present invention shown in Figure 5 among the embodiment of seam waterproof, leaking stoppage structure at Fig. 2, building seam waterproof, leaking stoppage structure comprise building seam 1, are positioned at structure 2 and the PVC coiled material waterstop 3 of building seam 1 both sides.Have the groove 202 parallel with building seam 1 on the sealing face 201 of seam side structure body 2, the width of groove 202 is the 5-6 millimeter, and groove 202 is 50 millimeters to 100 millimeters with the distance of building seam 1.There is reclinate flanging 301 both sides of waterstop 3, and flanging 301 is inserted in the groove 202, is filled with epobond epoxyn 5 in the groove 202, and epoxy resin 5 adhesives are fixed on the flanging 301 of waterstop 3 in the groove 202.
The flanging 301 of waterstop 3 has a lot of anchor holes 302 along the length direction of waterstop 3, and the aperture of anchor hole 302 is that 5 millimeters, pitch of holes are that 200 millimeters, bore edges are 3 millimeters apart from the distance of flanging 301 lower limbs.Adhesive in the groove 202 also is filled in the anchor hole 302, with flanging 301 bonding being anchored in the groove 202 better, playing pin (dowel) and acts on after adhesive solidifies.
Between the sealing face (coiled material bonding plane) 201 of waterstop 3 and seam side structure body 2 epobond epoxyn layer 6 is arranged, adhesive phase 6 is adhered to waterstop 3 on the sealing face 201 of seam side structure body 2.
The recess 303 of the middle part strip of waterstop 3 sinks in the building seam 1.
Above-mentioned building is stitched waterproof, the leaking stoppage structure job practices is as follows:
Technological process is as follows:
Polished or reinforcing adhesive surface - construction joints on both sides of slotted holes - brushing high permeability epoxy - cut PVC sheet - Cleaning PVC membrane adhesive surface - roll edge openings - laying PVC membrane - the tank filling epoxy adhesive - web side edge into the slot - wedging plastic expansion pipe - flip membrane exposed adhesive surface - coated with epoxy resin adhesives - bonding - temporary fixed coil - removing fixtures - to another tank filling epoxy adhesive - the other side edge of the sheet into the slot - wedging plastic expansion tube - temporary fixed coil - dismantling fixtures - water testing - install water-stop layer of protection.
Work progress:
One. polish or fill bonding plane:
Structure sealing face (coiled material bonding plane) 201 is extremely roughly smooth with angle grinding machine wet-milling from building tape edge edge 50mm scope, and planeness is ± 0.5mm.
Two. fluting boring:
On structure, from building tape edge edge 50mm snap the line, slot along the line with groover, diamond disk, leave with building at the sealing face 201 of the seam side structure body 2 of building seam 1 both sides and stitch 1 parallel groove 202; Groove depth 12mm～15mm, width 5mm.
Bore expansion pore 7 on the groove 202 along holding successfully, the aperture of expansion pore 7 is 0.9 times of plastic dowel sleeve external diameter, is equal to or greater than the width of groove 202, and the present embodiment is 6 millimeters; The degree of depth in the degree of depth hole of expansion pore 7 equals the length of plastic dowel sleeve, and greater than the degree of depth of groove 202, the present embodiment is 25 millimeters; Spacing between the expansion pore is 150 to 200 millimeters.
Three. brush high permeable epoxy resin:
Brush high permeable epoxy resin 2 times at sealing face 201, concrete surface is reinforced.
Four. cutting PVC coiled material:
According to the spacing between the groove 202, determine the PVC web width, cutting PVC coiled material.The PVC web width is 2 * (15mm+50mm)+seam width * 1.5 or 2 * (15mm+50mm)+seam width+3mm; Select the large person of quantity among both.
Five. clean PVC coiled material bonding plane:
Be stained with cleaning agent with hairbrush, the bonding plane of brushing PVC coiled material before the cleaning agent drying, towels off dried immediately quarter.
Six. coil edge is opened anchor hole:
In PVC coil edge punching, the aperture of anchor hole 302 is that 5 millimeters, pitch of holes are that 200 millimeters, bore edges are 3 millimeters apart from the distance of flanging 301 lower limbs with card punch.
Seven. lay the PVC coiled material:
Along the PVC coiled material of the direction laying of building seam 1 as waterstop 3.
Eight. inject epobond epoxyn in the groove of a side:
In a groove, inject epobond epoxyn with filling gun.
Nine. in the edge insertion groove of coiled material one side:
A side insertion of PVC coiled material is filled with in the groove 202 of epoxy resin.
Ten. wedge plastic dowel sleeve in a side:
All insert plastic dowel sleeve 7 to being marked with epobond epoxyn and being inserted with in the expansion pore 203 of coiled material groove, and with hand hammer hammering in the hole, the plastic dowel sleeve 7 that is inserted into is positioned at the outside of PVC coiled material flanging 301, with the sidewall extruding to groove of the flanging 301 of PVC coiled material, before the epoxy resin cure in groove, the flanging 301 of the PVC coiled material of this side is fixed in the groove.
11. epoxy resin coating adhesive on the bonding plane of coiled material:
PVC coiled material bonding plane is rolled up to expose bonding plane, and annotate epobond epoxyn at the bonding plane of the PVC coiled material of a side of completing steps nine and ten.
12. bonding:
The surface of the PVC coiled material of roll extrusion completing steps nine and a side of ten makes the sealing face 201 of PVC coiled material and structure 2 bonding.
13. temporary fixed coiled material:
Common anti-bank waterproofing process in the building, can also can come interim fixing PVC coiled material with the screw pressing plate with the temporary fixed PVC coiled material of batten of F folder and sticking cystosepiment, the present embodiment periwinkle collecting nail pressing plate this moment.Temporary fixed thing comprises many groups, and quantity is determined by the length of PVC coiled material.Every group comprises 2 Cruciform slot panhead screws 8,2 cushion blocks 9,1 press strip 10 and 2 block pressur plates 11.The length of press strip 10 is greater than the spacing between the screw hole, and width is near 50 millimeters, and press strip 10 is pressed in the top of PVC coiled material along the inboard of groove 202; 2 cushion blocks 9 are arranged in the outside of 2 plastic dowel sleeves, and there is 1 screw hole at the middle part of pressing plate 11, and a side pressure of pressing plate 11 is on cushion block 9, and the other end is pressed in the end of press strip 10; Screw 8 passes the screw hole of pressing plate 11, is screwed in the plastic dowel sleeve, and pressing plate 11 is exerted pressure to press strip 10, prevents the perk before epoxy resin adhesive solidifies of PVC coiled material.
14, by above-mentioned step 8, nine, ten, 12,13, finish the operation of opposite side.
15. remove fixture, retaining test:
After 8 hours epoxy resin adhesive primary solidification, dismountable temporary fixed thing.Optionally carry out retaining or the hydrostatic test, the block-water performance of check structure.The retaining test should be carried out after 3 days; The hydrostatic test should after 7 days, be carried out after epobond epoxyn solidifies fully.
16, in case of necessity, the waterstop topping is installed:
According to the prefabricated galvanized sheet iron topping of design shape, be fixed on the waterstop top with screw and plastic dowel sleeve.
Traditional sealing is with following several mounting methods: 1, waterstop is squeezed on the concrete of seam side with bolt, pressing plate; 2, by the self-weight press waterstop of concrete body; 3, after the water-swelling rubber water bar imbibition, the extruded concrete structure; 4, in advance the waterstop both wings are installed in respectively in the template of deformation joint both sides, after building, deformation joint both sides concrete wraps up a wing of waterstop separately; Because concrete and waterstop are not bonding, therefore have infiltration gap between concrete and the waterstop, these traditional water proof structures are seamed waterproof, and reliability is very low, and saying of " ten seams nine leaking " arranged.
Expansion pore 7 also can not be drilled in and hold successfully on the groove 202, but is drilled in 10-20 millimeter place, groove 202 outside, and the plastic dowel sleeve 7 that be inserted into this moment is not oppressed the flanging of PVC coiled material, only plays pressing plate, press strip, the effect of temporary fixed PVC coiled material of installing.
The above embodiment of the present invention is from the textural reliability of having guaranteed building seam waterproof, and 1, the bonding anchoring of waterstop and concrete body is integral, and does not have infiltration gap, and this water proof structure is seamless waterproof; 2, the both wings of coiled material waterstop are respectively in the bonding groove that is anchored at seam side concrete body, are not easy to occur bonding defect with respect to the structure of plane adhesion, and reliability is high; 3, can the visual inspection construction quality, as long as adhesive is filled in the groove continuously, just can not start a leak.4, other adopts the structure of the bonding waterstop waterproof of epobond epoxyn all is plane adhesion, the accident that waterstop is peeled off from concrete surface occurs sometimes, be that epobond epoxyn is with one deck sand, from the strip off of concrete structure surface, bonded joint of the present invention is D structure, can not peel off.
The present invention has solved a following difficult problem in construction technology:
1, speed of application is to weigh whether feasible major criterion of construction technology, and the epoxy resin primary solidification needs several hours, can not " have sth. ready while waiting ".This is the one of the main reasons that epobond epoxyn fails to promote, and this construction technology adopts immediately fixing waterstop of plastic dowel sleeve, and the workman can enter next step operation at once.
2, when epobond epoxyn is body of paste, can be easily so that the coiled material waterstop keeps correct shape, the bonding needed contact of maintenance.
3, all operations do not need the technical difficulty of special equipment, construction low, and the common laborer can be competent at through the short time training.
4, the epobond epoxyn bare area is little during construction, is not sticky with the constructor, is conducive to civilized construction.
5, the epoxy resin price, this technique consumption is little,
6, this technique is less demanding to the bonding plane planeness, saves the man-hour of polishing.
7, the price of screw and plastic dowel sleeve is very cheap, acts on very large: fast fixedly waterstop, when bonding so that waterstop keeps correct shape, follow-up for the coiled material separation layer and the galvanized sheet iron topping is installed, accomplish one-object-many-purposes, save cost.
8, adopt the solvent-borne type neoprene adhesive in the current specifications, be used for polymer membranes, the neoprene adhesive shortcoming is a lot: application life is short, bonding force is little, contain a large amount of toxic solvents, special epoxy resin adhesive long service life, the bonding force that the present invention adopts be higher 10 times than neoprene adhesive, be nontoxic after solidifying, (the B component is low toxicity before solidifying).
Claims (8)
1. build the job practices of stitching waterproof, leaking stoppage structure for one kind, described building seam waterproof, leaking stoppage structure comprise the building seam, are positioned at structure and the waterstop of building seam both sides, it is characterized in that, comprise the groove parallel with the building seam on the sealing face of described structure, the both sides of described waterstop comprise flanging, described flanging is inserted in the described groove, is filled with adhesive in the groove, and described adhesive is fixed on the flanging of waterstop in the groove;
Described job practices may further comprise the steps:
101) leave the groove parallel with building seam at the sealing face of the structure of building the seam both sides;
102) holding successfully on the groove or boring a plurality of expansion pores at 10-20 millimeter place, the groove outside, the aperture of expansion pore is equal to or greater than the width of groove, and the degree of depth of expansion pore is greater than the degree of depth of groove, and the spacing between the expansion pore is 150 to 200 millimeters;
The direction of 103) stitching along building is laid the macromolecule coiled material as waterstop;
104) in groove, inject epobond epoxyn;
105) the side insertion with the macromolecule coiled material is filled with in the groove of epoxy resin;
106) be inserted into plastic dowel sleeve in described expansion pore, when the expansion tube hole drill was on groove, the plastic dowel sleeve that is inserted into was positioned at the outside of macromolecule coiled material flanging;
107) with the fixing macromolecule coiled material of temporary fixed thing;
108) remove temporary fixed thing.
2. job practices according to claim 1 is characterized in that, comprises adhesive phase between the sealing face of described waterstop and structure, and described adhesive phase is adhered to waterstop on the sealing face of structure.
3. job practices according to claim 1 is characterized in that, the flanging of waterstop comprises a plurality of anchor holes along the length direction of waterstop, and the adhesive in the groove is filled in the described anchor hole, forms dowel.
4. job practices according to claim 3 is characterized in that, described waterstop is the macromolecule coiled material, and described adhesive is epobond epoxyn; The width of described groove is the 4-6 millimeter, groove depth 12-15 millimeter; The aperture of described anchor hole is that 4-6 millimeter, pitch of holes are that 50-150 millimeter, bore edges are the 2.5-3.5 millimeter apart from the distance of hemmed edges.
5. job practices according to claim 1 is characterized in that, the middle part of described waterstop comprises the recess of strip, and described recess sinks in the described building seam.
6. job practices according to claim 1 is characterized in that, may further comprise the steps:
601) before step 101 finishing structure the sealing face, comprise polish and or fill;
602) after step 101, step 103 is brushwork epoxy resin on the sealing face of structure before;
603) before step 103, according to the spacing between the groove, cutting macromolecule coiled material;
604) bonding plane of cleaning macromolecule coiled material;
605) the macromolecule coiled material is opened anchor hole, and the aperture of described anchor hole is that 4-6 millimeter, pitch of holes are that 50-150 millimeter, bore edges are the 2.5-3.5 millimeter apart from the distance of hemmed edges.
7. job practices according to claim 1 is characterized in that, may further comprise the steps:
701) the temporary fixed thing that uses in step 107 comprises plural groups, and every group comprises 2 screws, 2 cushion blocks, 1 press strip and 2 block pressur plates; The length of described press strip is pressed in the top of macromolecule coiled material greater than the spacing between the expansion pore along the inboard of groove; Described 2 cushion blocks are arranged in the outside of 2 plastic dowel sleeves, and the middle part of described pressing plate comprises screw hole, and a side pressure of pressing plate is on cushion block, and the other end is pressed in the end of press strip; Described screw passes the screw hole of pressing plate, is screwed in the described expansion tube.
8. job practices according to claim 7 is characterized in that, step 104,105 and 106 minutes sides are successively finished, and be may further comprise the steps:
801) the macromolecule coiled material that overturns after a side completing steps 104,105 and 106 the work exposes the bonding plane of macromolecule coiled material, epoxy resin coating adhesive on the bonding plane of the macromolecule coiled material of completing steps 104,105 and 106 work one side;
802) reply the macromolecule coiled material, the sealing face of the macromolecule coiled material of epoxy resin coating adhesive and structure is bonding;
Behind the completing steps 902, carry out again opposite side step 104,105 and 106 work.
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| CN 201110359818 CN102409767B (en) | 2011-11-15 | 2011-11-15 | Construction method of waterproof leaking stoppage structure of building seam |
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| CN 201110359818 CN102409767B (en) | 2011-11-15 | 2011-11-15 | Construction method of waterproof leaking stoppage structure of building seam |
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| CN104762926B (en) * | 2015-04-16 | 2017-05-10 | 长江勘测规划设计研究有限责任公司 | Embedded groove type aqueduct water-stop structure and construction method thereof |
| CN107234712B (en) * | 2017-04-07 | 2022-09-06 | 华侨大学 | Assembled inverted trapezoidal connecting hole preparation device |
| CN109267709B (en) * | 2018-11-05 | 2024-05-03 | 广东赛力克建筑技术工程有限公司 | Deformation joint anti-leakage structure and repairing method thereof |
| CN109611053B (en) * | 2019-01-28 | 2023-07-25 | 中国电建集团贵阳勘测设计研究院有限公司 | Pressure-stopping water plug for hydrogeological exploration and use method |
| CN111974851A (en) * | 2019-05-23 | 2020-11-24 | 深圳市威士邦建筑新材料科技有限公司 | Method for machining corrugated telescopic member of bridge joint filling device |
| CN112064808B (en) * | 2020-09-30 | 2025-06-24 | 吴兆圣 | Building deformation joint waterproofing system and method with adhesive built-in water stop structure |
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| GB1536684A (en) * | 1976-06-29 | 1978-12-20 | Colebrand Ltd | Joint structure |
| AU729210B2 (en) * | 1997-05-23 | 2001-01-25 | Termite Tite (NZ) No. 2 Limited | Construction joint |
| CN2527623Y (en) * | 2001-02-20 | 2002-12-25 | 卢家廉 | Roof expansion joint covering plate |
| CN2677446Y (en) * | 2003-10-28 | 2005-02-09 | 李聚兴 | Changable sealing-up device |
| CN201265162Y (en) * | 2008-09-25 | 2009-07-01 | 伍毅敏 | Back sticking type water stop capable of draining water |
| CN201459985U (en) * | 2009-06-11 | 2010-05-12 | 尹道先 | Waterproof structure of flat-roofed house |
| CN101876184B (en) * | 2010-06-23 | 2011-08-10 | 河北省第二建筑工程公司 | Construction method of expansion joint of pool |
| CN102071666A (en) * | 2010-12-15 | 2011-05-25 | 衡水大禹工程橡塑科技开发有限公司 | U-shaped flume deformation joint composite water blocking tape |
| CN202023304U (en) * | 2011-03-29 | 2011-11-02 | 卢家玲 | Novel deformation joint for building roof |
| CN202265908U (en) * | 2011-11-15 | 2012-06-06 | 吴兆圣 | Waterproof and leaking-stoppage structure for construction joint |
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