74results about How to "Prevent water channeling" patented technology

The invention discloses an uncured polyurethane waterproofing coating and a preparation method thereof, belonging to the technical field of polyurethane waterproofing coatings. The uncured polyurethane waterproofing coating is prepared from the following raw materials in percentage by weight: 13-20% of prepolymer, 30-65% of asphalt, 1.0-1.5% of latent curing agent, 3-15% of compatilizer, 2-9% of thermoplastic elastomer and 0-3% of powder stuffing, wherein prepolymer is a substance synthesized by reaction between polyether and isocyanate. The uncured polyurethane waterproofing coating mainly aims to improve the material proportion and polymerization process of polyurethane, and the problem that a hot-melted asphalt material is needed to be heated by using a machine is solved; the uncured polyurethane waterproofing coating is convenient in construction and good in flowability; the viscosity of the constructed material can be automatically enhanced, so that the constructed material can become an elastic plastic body and a favorable waterproofing layer without internal stresses; in addition, the uncured polyurethane waterproofing coating can be well bonded with a coiled material and can be compounded to be waterproof so as to form a waterproofing layer capable of overcoming tension fracture caused by basement layer cracking and preventing puncturing; the uncured polyurethane waterproofing coating is simple and convenient in process, rapid in construction, free of maintenance, high in working efficiency and capable of becoming the development direction of building waterproofing in the further.

The invention discloses a thermoplastic polyolefin waterproof coiled material and a preparation method thereof. The thermoplastic polyolefin waterproof coiled material is used for pre-laying anti-sticking construction. The thermoplastic polyolefin waterproof coiled material comprises a surface anti-sticking isolation layer, a protective coating, a hot melting pressure-sensitive adhesive layer and a thermoplastic polyolefin sheet layer, which are arranged in sequence; the thermoplastic polyolefin sheet is prepared by a thermoplastic polyolefin resin base material, auxiliary filler and additives; the hot melting pressure-sensitive adhesive layer adopts high molecular adhesive made of the thermoplastic rubber; the protective coating is prepared by a polymer emulsion base material, filler and additives; the surface anti-sticking isolation layer adopts a silicon coating isolation film; a long edge of the thermoplastic polyolefin sheet layer is provided with an overlap edge for hot melting welding. According to the thermoplastic polyolefin waterproof coiled material, four different materials are compounded into a whole body and form a self-adhesive waterproof coiled material which can be used for the pre-laying anti-sticking construction. The thermoplastic polyolefin waterproof coiled material is excellent in chemical resistance, temperature resistance, penetration-resisting strength, elasticity and flexibility, and the construction laying and adhesion property, the overlap bonding strength and the waterproof effect can be improved.

The invention discloses a self-adhesive and a preparation method of the self-adhesive and an anti-pollution self-adhesive asphalt waterproofing membrane. The self-adhesive comprises the following components: petroleum asphalt, aromatic oil, naphthenic oil, synthetic wax, styrene-isoprene-styrene, styrene-butadiene-styrene, a tackifier, a stabilizer, a coupling agent and an inorganic filler. The anti-pollution self-adhesive asphalt waterproofing membrane comprises three layers which are a reinforced layer, a self-adhesive layer and an isolation layer successively; or five layers which are an isolation layer, a self-adhesive layer, a reinforced layer, a self-adhesive layer, and an isolation layer successively. According to the anti-pollution self-adhesive asphalt waterproofing membrane prepared by the invention, physical properties can meet product standard requirements in GB 23441-2009 Self-adhesive Polymer Modified Asphalt Waterproofing Membrane, and the peel strength of the membrane and an aluminum plate reaches 2.8 N/mm, and is higher than the standard by 1.5 N/mm.

The invention discloses a subway station skin waterproof structure and a construction method thereof. The subway station skin waterproof structure comprises an outer wrapping waterproof layer distributed on the outer side of a constructed subway station body structure; the constructed subway station body structure includes a baseplate, a side wall, a top plate and a middle plate; the baseplate, the side wall, the middle plate and the top plate are all reinforced concrete structures cast by waterproof concrete; and the outer wrapping waterproof layer includes a top plate waterproof layer distributed above the top plate, a baseplate waterproof layer distributed below the baseplate, and a side wall waterproof layer distributed on the outer side of the side wall. Compared with the prior art, the construction method is simple in construction, high in efficiency and convenient to treat such waterproof weak detail links as a wall penetrating pipe and a water falling port of a subway station; and multiple defense lines consist of two types of waterproof structures, so that the bonding strength with the station structure body is high, the water flowing is prevented, no joint is generated, the skin type water prevention can be formed, and the waterproof effectiveness of the subway station is guaranteed.

The invention discloses a method and device for controlling washing of a station of a bottle washing machine. According to the method for controlling washing of the station of the bottle washing machine, when a central control unit confirms that a bottle or a bucket is placed on the station according to information fed back by a detecting device, a station valve, corresponding to the station, on a washing pipeline is controlled to be opened, a corresponding water pump on the washing pipeline is controlled to operate at a high speed, and a spraying head on the station is made to wash the bottle or the bucket in a spraying mode; when the central control unit confirms that no bottle or bucket is placed on the station, the station valve is controlled to be closed, the water pump is controlled to operate at a low speed, and the spraying head is made to stop washing. The device for controlling washing of the station of the bottle washing machine comprises the central control unit, the detecting device, the station valve, the water pump, the spraying head and the washing pipeline, wherein the detecting device, the station valve and the water pump are connected with the central control unit electrically, and the water pump, the station valve and the spraying head are installed on the washing pipeline in sequence in the flowing direction of water in the washing pipeline. The method and device for controlling washing of the station of the bottle washing machine has the advantages that energy consumption, water consumption and acid and alkali water consumption can be reduced and the phenomenon of leakage of the station is avoided.

A waterproof system coating-coiled material composite plane is provided. The composite plane comprises a coating waterproof layer, a coiled-material waterproof layer and a surface layer. The coating waterproof layer is disposed under the coiled-material waterproof layer. The surface layer is disposed on the coiled-material waterproof layer. The coating waterproof layer is CPC non-cured rubber waterproof coating. The coiled-material waterproof layer is a CPC nonasphaltic-base durable reactive type polymer self-adhesion waterproof coiled material. A constructing process of the composite plane includes cleaning a base, heating the CPC non-cured rubber waterproof coating, reinforcing nodes, snapping a line for positioning, paving the coiled material on trial, constructing the CPC non-cured rubber waterproof coating on a large area, paving the coiled material on a large area, connecting the coiled materials by overlapping, closing up, sealing, performing self-examination, checking and accepting. The composite plane and the process can be constructed directly on a moist concrete base layer, waterproof effects are good, and two layers for prevention can be achieved through one time of pavement, thus saving the cost, greatly shortening the work period and increasing the construction efficiency.

The invention discloses a composite waterproof board and a production technology thereof. The composite waterproof board comprises a geotextile arranged on a surface of a waterproof board, wherein the geotextile and the waterproof board have a uniformly distributed and discontinuous adhesive part, the adhesive part is provided with a uniformly distributed and suspended fixed part; and the other surface is provided with a self-stick layer prepared through clading and a surface isolation membrane of the self-stick layer. The production technology comprises the following steps of: preparing raw materials, performing extrusion moulding; preheating and bonding; coating a self-stick rubber material and laminating; and rolling to obtain the finished product, wherein in the preheating and bonding step, a program is utilized to control a retractable compression roller to laminate the preheated waterproof board which is overlapped with the geotextile and form the discontinuous adhesive part. The adhesive part of the geotextile and the waterproof board is uniformly distributed, a uniform draining channel is reserved to meet the further drainage requirement; and the composite waterproof board can be embedded in the existing waterproof board production line, waterproof boards with different structures can be conveniently produced according to needs, preheating and bonding are performed continuously on the surface of the compression roller, the product has high quality and is more stable, and energy is saved.

The invention relates to the technical field of waterproof construction, in particular to waterproof technologies of underground engineering such as subways, underground pipelines, tunnels, underground pipe corridors, underground garages and underground air defense facilities, and discloses a full surrounding skin-type structure of underground waterproof engineering and a construction method. The full surrounding skin-type structure of the underground waterproof engineering comprises a bottom layer, a top layer and a side face layer; the bottom layer, the top layer and the side face layer are surrounded to be whole and form a hollow structure; water-soluble non-curing coating layers and thin film reinforcing layers are arranged on the bottom layer, the top layer and the side face layer correspondingly; and the bottom water-soluble non-curing coating layer, the side face water-soluble non-curing coating layer and the top water-soluble non-curing coating layer form the integrated seamless connection full surrounding structure. According to the full surrounding skin-type structure of the underground waterproof engineering and the construction method, the defects that in the prior art, as for the underground waterproof engineering, whole failure or leakage in local joints are easy to occur are overcome.

The invention discloses a non-asphalt multifunctional waterproof coiled material laminated adhesive and an application thereof, and a non-asphalt multifunctional waterproof coiled material. The laminated adhesive is prepared from the following raw materials in parts by mass: 60-65 parts of a hot melt adhesive, 13-18 parts of active calcium carbonate, 2-5 parts of tackifying resin, 0.1-0.4 part of a coupling agent, and 0.3-1.5 parts of a defoaming agent. Provided is the application of the laminated adhesive in preparation of the non-asphalt multifunctional waterproof coiled material. The non-asphalt multifunctional waterproof coiled material is composed of a strong cross film, the laminated adhesive arranged on the strong cross film, and an isolation film arranged on the laminated adhesive. The waterproof coiled material has excellent performance.

The invention provides a waterproof construction process of a comprehensive pipe rack. The process comprises following steps that a, 1.5 mm-thickness reactive bonded wet paving waterproof roll is subjected to large-area empty paving to form a first bottom plate waterproof layer, and a 1.5 mm-thickness reactive bonded wet paving waterproof roll is subjected to dry pasting paving on the first bottomplate waterproof layer in a joint staggering manner to form a second bottom plate waterproof layer; b, a 1.5 mm-thickness reactive bonded wet paving waterproof roll is subjected to large-area wet paving to form a first side wall waterproof layer, and a 1.5 mm-thickness reactive bonded wet paving waterproof roll is subjected to large-area dry pasting paving to form a second side wall waterproof layer; c, a 1.5 mm-thickness reactive bonded wet paving waterproof roll is subjected to large-area wet paving to form a first top plate waterproof layer, and a 1.5 mm-thickness reactive bonded wet paving waterproof roll is subjected to large-area dry bonding paving to form a second top plate waterproof layer. The construction process is simple and convenient, the waterproof seal effect is good, costis saved, and the construction period is shortened.

The invention provides an underground waterproof system and a ground face, top face and vertical face construction method. The underground waterproof system comprises a structural layer and a waterproof layer. The waterproof layer is placed on the surface layer of the structural layer. The structural layer is provided with seams which are filled with a caulk compound and attached and sealed through the caulk compound. The waterproof layer comprises a waterproof coating layer and a waterproof coiled material layer. The caulk compound in the structural layer is attached to the waterproof coatinglayer which is attached to the waterproof coiled material layer. Construction seams and settlement seams are attached and sealed through the caulk compound. After connection is conducted through thecaulk compound, a flexible and rigid combined structure is formed in the structural layer, a good waterproof and water-stop effect can be achieved, and the effect of resisting various structural deformation and tensile force is also achieved.

The invention discloses a production technology of a waterproof and heat-insulated integrated board. The production technology comprises the following steps of: firstly, compositing an enhanced isolating material at one side of a waterproof roll; pre-heating the waterproof roll composited with the enhanced isolating material by a pre-heating device; compositing an heat-insulated material at one side of the waterproof roll composited with the enhanced isolating material after pre-heating; and finally, covering another pre-heated waterproof roll on the surface of the heat-insulated material. By providing the enhanced isolating material at one side of the waterproof roll, not only can the bonding strength between the enhanced isolating material and the waterproof roll be enhanced, but also the waterproof roll and the heat-insulated material can be effectively isolated; the condition that the waterproof roll is contacted with the heat-insulated material for a long time to cause chemical reaction can be avoided; a plasticizer inside the roll is prevented from migrating; the quality of the product is ensured; a procedure of pre-heating the waterproof roll is added before the waterproof roll and the heat-insulated material are composited; and the phenomenon that a waterproof layer and an insulating layer are stripped after the board is molded can be avoided, and the performance and quality of the board are further improved.

The invention discloses a restoration device for breaking of a waterproof structure of a deformation joint of an underground pipe rack. The restoration device comprises a first water stop device and asecond water stop device, wherein the first water stop device is positioned in the middle part of the deformation joint; the second water stop device is positioned at the outer edge, near the insidewall of an underground pipe rack, of the deformation joint; the first water stop device comprises a wing tooth-shaped rubber water stop strip and a tightening round bar, and the tightening round bar is accommodated into the wing tooth-shaped rubber water stop strip; the second water stop device comprises a deep U-shaped rubber water stop band and an expansion bolt, and the expansion bolt is used for fixing the deep U-shaped rubber water stop band at the outer edge of the deformation joint; both sides of the outer edge of the deformation joint are cut, and form a Y-shaped opening together withthe deformation joint; both sides of the deep U-shaped rubber water stop band are fixedly arranged on the concrete base surfaces of the two side walls of the Y-shaped opening; the middle part of the deep U-shaped rubber water stop band is accommodated into the deformation joint. The restoration device for the breaking of the waterproof structure of the deformation joint of the underground pipe rack has the advantages that the problems of water permeating and sand surging of the underground pipe rack can be quickly and efficiently solved, and the functionality and integrity of the waterproof structure are restored.

The invention discloses a cross-linked self-adhesive glue type polymer waterproof roll which comprises a polymer film and a self-adhesive glue film coating the polymer film, wherein the self-adhesiveglue film is prepared from the following components in parts by mass: 60-70 parts of acrylate pressure-sensitive adhesive, 10-20 parts of carboxylated styrene butadiene rubber, 2-4 parts of naphthenicacid, 5-7 parts of aromatic hydrocarbon resin, 2-3 parts of sulfonate, 2-5 parts of polycarboxylic acid, 1-2 parts of catalytic promoter and 0.5-1 part of antioxidant. A preparation method comprisesthe following steps: putting the acrylate pressure-sensitive adhesive, the naphthenic acid and the aromatic hydrocarbon resin in a reaction tank, and heating to 180 DEG C; adding the carboxylated styrene butadiene rubber, and stirring for 2h; heating to 190 DEG C; adding the sulfonate and the polycarboxylic acid, and stirring for 0.5h; cooling to 150 DEG C; adding the catalytic promoter and the antioxidant, and stirring for 1h; applying an obtained product at 120-130 DEG C to a bimodal high density polyethylene film with a thickness of 1.0-2.0mm and compacting while covering with a silicone oil isolation film, and cooling to obtain the cross-linked self-adhesive glue type polymer waterproof roll. The waterproof roll disclosed by the invention quickly reacts with cement slurry within shorttime in a low-temperature environment and is firmly bonded as a whole to form a waterproof material with the same life as concrete.

The invention discloses a composite waterproof structure and a preparation method thereof, and belongs to the field of building waterproof materials. The composite waterproof structure is prepared from a waterproof coil layer, a reaction type macromolecular elastic coating layer and a waterproof base layer in turn from top to bottom, wherein the waterproof coil layer is prepared from an upper surface layer and a self-sticking material layer in turn from top to bottom; the self-sticking layer is self-sticking polymer modified asphalt. According to the composite waterproof structure and the preparation method thereof disclosed by the invention, separation between the coating and the coil is avoided, and the waterproof effect is perfect.

The invention belongs to the field of foundation pit supporting structures, and particularly discloses a deep and shallow pit combined supporting structure with a water resistance function. The deep and shallow pit combined supporting structure with the water resistance function comprises a shallow foundation pit structure and a deep foundation pit structure. The shallow foundation pit structure comprises a shallow foundation pit base and a foundation slab, wherein the shallow foundation pit base is horizontally arranged, and the foundation slab is arranged above the shallow foundation pit base. A water-blocking sunken pool is formed in the side, facing the foundation slab, of the shallow foundation pit base. The upper end of the deep foundation pit structure is connected with one end of the foundation slab and abuts against the side face of the shallow foundation pit base. The deep foundation pit structure comprises a diaphragm wall and a deep foundation pit side wall, wherein the diaphragm wall and the deep foundation pit side wall are vertically arranged. One side of the diaphragm wall is attached to the deep foundation pit side wall, the other side of the diaphragm wall is attached to the side face of the shallow foundation pit base, and a water-resisting blocking groove is formed in the side, attached to the deep foundation pit side wall, of the diaphragm wall. The invention further provides a construction method corresponding to the deep and shallow pit combined supporting structure with the water resistance function. The deep and shallow pit combined supporting structure with the water resistance function and the construction method guarantee the foundation pit safety and the durability of structural engineering, and have the advantages of being convenient and fast to construct, economical, practical, high in water resistance and seepage resistance and the like.

The invention relates to the field of waterproof materials, in particular to a pre-laid self-adhesive film coiled material composite waterproof sheet and a preparation method and application thereof.The composite waterproof sheet comprises a composite layer and a high-density polyethylene layer which are arranged in a stacked mode, and the material for forming the composite layer is a vinyl polar copolymer; and the high-density polyethylene layer is made of high-density polyethylene. The pre-laid self-adhesive film coiled material composite waterproof sheet provided by the invention has excellent aging resistance, peel strength and puncture resistance, and meanwhile, the preparation method is simple, pollution-free and environment-friendly.

The invention discloses a self-adhesive waterproof roll with an electromagnetic shielding function. The self-adhesive waterproof roll comprises an isolation layer, a butyl pressure-sensitive self-adhesive layer, a matrix layer, a butyl pressure-sensitive self-adhesive layer and an isolation layer in sequential lamination. Each butyl pressure-sensitive self-adhesive layer is prepared from, by weight, 5-30 parts of butyl rubber, 5-40 parts of a tackifier, 10-60 parts of a plasticizer, 10-40 parts of nano conductive filler, 10-50 parts of a reinforcing agent, 1-10 parts of a nano activating agent, 0.5-5 parts of a chemical coupling agent, 1-5 parts of an antioxidant and 1-5 parts of a light stabilizer. The self-adhesive waterproof roll with the electromagnetic shielding function is excellentin water resistance, aging resistance and shielding effectiveness, hot melting construction and asphalt smoke are avoided, and harms to human bodies and environments are avoided.

The invention belongs to the field of water-proof technical devices of underground building corners and particularly relates to an underground building water-proof structure with a fabricated temporary protective wall, a construction method and a building. The underground building water-proof structure comprises a cushion layer used for protecting a structural base plate and laid on a ground foundation; the border of the cushion layer is provided with a border guide wall, and the border guide wall is provided with the temporary protective wall which is used for supporting pouring of concrete and dismantled after pouring is completed; internal corners used for surrounding the underground building corner are constituted through matching of the cushion layer and the border guide wall, and elastic water-proof felts are installed in the internal corners; the cushion layer is covered with one ends, used for paving, of the elastic water-proof felts, and the other ends of the elastic water-proof felts extend between the border guide wall and the temporary protective wall and are fixed to the upper surface of the border guide wall; a structural wall is installed on the upper side of the cushion layer, and the structural wall comprises the structural base plate installed on the upper sides of the elastic water-proof felts and structural side walls installed on the inner side of the temporary protective wall; and the structural base plate and the structural side walls are connected into a whole, and connecting external corners of the structural side walls and the structural base plate correspond to the internal corners where the cushion layer and the border guide wall are connected.