296 results about "Bituminous waterproofing" patented technology

The application relates to the technical field of waterproof coiled materials, in particular to a preparation method of an anti-aging modified asphalt waterproof coiled material, which comprises a polyethylene film, a base layer and a modified asphalt base body, wherein the modified asphalt base body comprises the following raw materials in parts by weight: 45-60 parts of asphalt, 10-15 parts of SBS elastomer, 8-12 parts of a softening agent, 3-5 parts of a waterproof functional agent, 4-6 parts of an anti-aging agent, 5-9 parts of SBR, 5-10 parts of a composite filler and 0.03-0.05 parts of an initiator; the anti-aging modified asphalt waterproof coiled material prepared by the method has excellent waterproof performance, heat aging resistance and ultraviolet aging resistance, and the anti-aging modified asphalt waterproof coiled material also has a complex network structure, which endows the base body with excellent mechanical properties.

The invention relates to the technical field of waterproof materials, and particularly discloses a self-adhesive polymer modified asphalt waterproof material as well as a preparation method and application thereof. The self-adhesive polymer modified asphalt waterproof material is prepared from the following raw materials in parts by mass: 45 to 55 parts of asphalt, 8 to 12 parts of softening oil, 10 to 15 parts of modifier, 8 to 12 parts of desulfurized rubber and 10 to 15 parts of filler, the modifier comprises the following raw materials: an ethylene-octylene copolymer, butadiene styrene rubber, coumarone resin and a functional modified material; the functional modified material is prepared from illite and phthalic acid ester. Through the design of the modifier and the proportion design of the raw material components, the synergistic interaction effect of the raw materials is fully played, the comprehensive performance of the waterproof material is improved, and the self-adhesive polymer modified asphalt waterproof coiled material prepared from the waterproof material has excellent high and low temperature properties, persistent adhesivity, peel strength, aging resistance and water resistance.

The invention relates to the technical field of waterproof coiled materials, in particular to a preparation method of an anti-aging modified asphalt waterproof coiled material, the anti-aging modified asphalt waterproof coiled material comprises a polyethylene film, a tire base layer and a modified asphalt matrix, comprising the following raw materials: 45-60 parts of asphalt, 10-15 parts of an SBS elastomer, 8-12 parts of a softening agent, 3-5 parts of a waterproof functional agent, 4-6 parts of an anti-aging agent, 5-9 parts of SBR, 5-10 parts of a composite filler and 0.03-0.05 part of an initiator. The aging-resistant modified asphalt waterproof coiled material prepared by the preparation method disclosed by the invention has excellent waterproof performance, thermal aging resistance and ultraviolet aging resistance, and the aging-resistant modified asphalt waterproof coiled material also has a complex net-shaped structure, so that a matrix is endowed with excellent mechanical properties.

The invention relates to the field of building waterproof materials, and discloses a composition for a modified asphalt coating material, the modified asphalt coating material, a preparation method and application of the modified asphalt coating material, an energy-saving waterproof coiled material and application of the energy-saving waterproof coiled material. The composition contains a main agent and an auxiliary agent, wherein the main agent comprises matrix asphalt, epoxidized soybean oil, star-shaped SBS, a thermoplastic polyurethane elastomer, butadiene styrene rubber, hydrogenated butadiene-acrylonitrile rubber and a first component; on the basis of the total weight of the composition, the content of the matrix asphalt is 40-55 wt%, the content of the epoxidized soybean oil is 5-10 wt%, the content of the star-shaped SBS is 3-5 wt%, the content of the thermoplastic polyurethane elastomer is 1-8 wt%, the content of the styrene butadiene rubber is 1-5 wt%, the content of the hydrogenated butadiene-acrylonitrile rubber is 5-10 wt%, and the content of the plasticizer is 1-5 wt%. And the content of the first component is 1-2wt%. The modified asphalt waterproof coiled material provided by the invention has the advantages of strong adhesion, good stretchability and weather resistance and the like.

The utility model belongs to the technical field of basement leakage prevention, and particularly relates to a basement raft leakage prevention structure in a campus. Comprising an anchor rod pile, an anti-floating anchor rod is vertically arranged in the anchor rod pile, a waterproof layer is arranged at the top of the anchor rod pile, a concrete cushion layer is arranged on the periphery of the waterproof layer, and a first waterproof rubber sleeve is arranged at the position, located outside the anti-floating anchor rod, of the top of the waterproof layer; a waterproof coiled material is arranged between the first waterproof rubber sleeve and the second waterproof rubber sleeve, the periphery of the waterproof coiled material extends to the upper surface of the concrete cushion layer, the first waterproof rubber sleeve is filled with asphalt waterproof factice, the anti-floating anchor rod is sleeved with a sealing strip, and a structural bottom plate is arranged at the top of the concrete cushion layer. The first waterproof rubber sleeve is filled with the asphalt waterproof factice, and the position, corresponding to the upper surface of the asphalt waterproof factice, of the anti-floating anchor rod is sleeved with the sealing strip, so that the problem that underground water leaks along the anti-floating anchor rod can be effectively solved.

The invention provides self-adhesive modified asphalt, a self-adhesive modified asphalt waterproof coiled material and a preparation method of the self-adhesive modified asphalt waterproof coiled material, and belongs to the technical field of asphalt and waterproof coiled materials. The self-adhesive modified asphalt is prepared from the following components in percentage by weight: 3 to 30 weight percent of matrix asphalt, 20 to 30 weight percent of aromatic hydrocarbon oil, 3 to 5 weight percent of thermoplastic elastomer, 5 to 8 weight percent of rubber modifier, 5 to 10 weight percent of tackifying resin, 3 to 8 weight percent of dioctyl sodium sulfosuccinate, 1 to 3 weight percent of polyaluminum ferric chloride, 1 to 3 weight percent of ferroferric oxide and 0.5 to 1 weight percent of limestone powder, and 10 to 30 wt% of an inorganic filler.

The invention relates to the technical field of asphalt pavement preventability, in particular to a water-based epoxy emulsified asphalt high-skid-resistance thin layer structure and a construction method thereof, and the structure sequentially comprises a water-based epoxy emulsified asphalt waterproof bonding layer and a water-based epoxy emulsified asphalt high-skid-resistance thin layer from bottom to top. And the waterproof bonding layer is formed by mixing emulsified asphalt and water-borne epoxy resin, demulsifying and curing. The high-skid-resistance thin layer is formed by mixing, paving, rolling and curing a wear-resistant aggregate and a water-based epoxy emulsified asphalt cementing material, the cementing material is demulsified and cured to form a three-dimensional cross-linked network structure, and the wear-resistant aggregate is embedded into the cementing material in a point contact manner and partially protrudes out of the surface of the cementing material. Compared with the prior art, the two-layer structure forms chemical bonding and synergistic enhancement through a three-dimensional cross-linked network of epoxy resin, has excellent surface skid resistance, water stability and durability, can effectively solve the problem of insufficient skid resistance of an asphalt pavement, remarkably improves the driving safety, and adopts normal-temperature construction.

The invention provides an SBS asphalt modifier and a preparation method thereof, self-adhesive modified asphalt and a preparation method thereof, and a self-adhesive modified asphalt waterproof coiled material, and belongs to the technical field of waterproof materials. The preparation method of the SBS asphalt modifier comprises the following steps: adding SBS into naphthenic oil, heating to a dissolution temperature, and stirring until the SBS is completely dissolved to obtain an SBS solution; adding a polymerizable monomer containing C10-C30 linear alkyl into the SBS solution, and uniformly mixing to obtain a mixed solution; adding a free radical polymerization initiator into the mixed solution, and carrying out a free radical grafting reaction in an inert atmosphere; and adding a terminating agent to terminate the reaction to obtain the SBS asphalt modifier.

The invention relates to the technical field of building waterproof materials, and discloses a composition for an asphalt waterproof coating, the asphalt waterproof coating and a preparation method and application of the asphalt waterproof coating. The composition contains a main agent and an auxiliary agent, the main agent comprises composite asphalt, a filler composition and an antioxidant; relative to 100 parts by weight of the composite asphalt, the content of the filler combination is 30-50 parts by weight, the content of the antioxidant is 1.5-4 parts by weight, and the content of the additive is 14-30 parts by weight; wherein the composite asphalt is a combination of petroleum asphalt and plant asphalt; the filler composition is a composition of montmorillonite, sepiolite and diatomite in a content mass ratio of 1: (1-4): (1.5-6); the montmorillonite is loaded with 0.5 to 4 mmol / g of copper ions, and the diatomite is loaded with 0.5 to 4 mmol / g of silver ions. The waterproof coating provided by the invention can significantly improve the peel strength, weather resistance and aging resistance of the coiled material, and also has efficient mildew-proof and antibacterial effects.

The invention relates to the technical field of waterproof coiled materials, in particular to a preparation method of a high-cold-weather-resistant graphene modified asphalt waterproof coiled material, which comprises the following steps: adding first matrix asphalt, second matrix asphalt, graphene and engine oil, heating and stirring; adding SBS-T6302H, stirring and mixing at a target temperature according to preset stirring parameters, adding rubber powder, and passing through a colloid mill to obtain a mixture; transferring the mixture into a stirring tank, adding fly ash, stirring, detecting the final viscosity, transferring the obtained product into a glue preparation tank, stirring, molding, cooling and sizing to obtain the waterproof coiled material. Determining the colloid particle size and the colloid viscosity in the stirring process, and constructing a uniformity model according to the preset stirring parameters, the colloid particle size, the colloid viscosity and the paddle diameter to determine the dispersion standard coefficient of the modifier; collecting a coiled material surface image to determine defect characteristics so as to adjust a basic cooling temperature; and performing a low-temperature flexible test to determine a test qualification rate, and determining an adjustment mode of the preset stirring parameters according to the dispersion standard coefficient and the test qualification rate.

The invention relates to the technical field of road engineering and building protection materials, and discloses an ultralow-temperature modified asphalt waterproof coiled material which comprises the following components in parts by weight: 50-70 parts of No.70 matrix asphalt and Venezuela asphalt; 10 to 25 parts of an elastomer blending modifier; the invention also provides a preparation method of the ultralow-temperature modified asphalt waterproof coiled material, and the preparation method comprises the following steps: S1, material pretreatment: uniformly mixing the No.70 matrix asphalt with the Venezuela asphalt and the elastomer blending modifier to form an asphalt base material with proper processing performance; and S2, nano-filling reinforcement: introducing a nano-filling reinforcement component into the modified asphalt. By introducing a nanometer enhancement technology, multi-layer composite structure optimization and macromolecule modification, the low-temperature flexibility, weather resistance and structural stability of the material are improved, and balance optimization of long-term durability and comprehensive performance is achieved.

The invention discloses a durable bio-based asphalt waterproof coiled material and a preparation method thereof, and relates to the field of waterproof coiled materials. The composite material is formed by coating a base cloth with modified bio-based asphalt, the modified bio-based asphalt is lignin-modified bio-based asphalt, the bio-based asphalt is filled with oil-immersed wood fibers, and the oil-immersed wood fibers are formed by impregnating pine fibers and nano naphthenic oil. The nano naphthenic oil is prepared by mixing nano zinc oxide and naphthenic oil; through triple synergy of lignin modification, wood fiber reinforced oil locking and nano zinc oxide slow-release corrosion prevention, the purpose that the environment-friendly property and the high-performance index of the bio-based material are achieved at the same time is achieved.

The utility model relates to the technical field of adjusting mechanisms, and discloses an oil immersion roller adjusting mechanism which comprises an oil immersion pool, an oil immersion roller body is rotatably connected to the lower portion of the inner wall of the oil immersion pool, a fixing plate is fixedly connected to the upper portion of the inner wall of the oil immersion pool, and an adjusting assembly is arranged on the lower portion of the fixing plate. Mounting plates are fixedly connected to the front portion and the rear portion of the upper portion of the right side of the oil immersion pool correspondingly, connecting columns are slidably connected to the middles of the mounting plates, mounting discs are fixedly connected to the opposite sides of the connecting columns correspondingly, and mounting grooves are formed in the middles of the mounting discs; a tire base cloth guide roller is slidably connected into the mounting groove, and a quick release assembly is arranged on the side, away from the mounting disc, of the mounting disc. According to the utility model, through the cooperation of the handle, the connecting column, the reset spring, the mounting disc, the tire base cloth guide roller, the mounting groove and the like, the tire base cloth guide roller can be conveniently and quickly replaced by the adjusting mechanism, and the production efficiency of the modified asphalt waterproof coiled material is improved.

The invention discloses an asphalt waterproof coiled material modifier, a preparation method and application, the modifier comprises the following components by weight: 25%-80% of styrene butadiene rubber, 15%-70% of polyethylene wax, 0.5%-3% of a vulcanizing agent or a combination of the vulcanizing agent and a vulcanizing agent accelerator, and 0.1%-2% of an antioxidant. The prepared modifier is moderate in viscosity, small in mixing amount and easy to disperse, and the method is simple in technological process; the modified asphalt waterproof coiled material can be applied to the asphalt waterproof coiled material, can endow the coiled material with excellent high and low temperature performance and storage stability, and can avoid the use of solvents such as engine oil, so that the production of the asphalt waterproof coiled material is more environment-friendly and lower in cost.

The present invention discloses a self-adhesive polymer modified asphalt waterproofing membrane and a preparation method thereof. The waterproofing membrane comprises a base layer, the upper and lower surfaces of which are respectively covered with a modified asphalt moisture-conducting layer, the surface of which is covered with an isolation layer; the modified asphalt moisture-conducting layer is composed of an inner modified asphalt layer and an outer modified asphalt layer. The waterproofing membrane prepared by the present invention has low water absorption and good self-hydrophobicity. After long-term use, the waterproofing membrane can maintain the oil-locking ability of the impregnated base and reduce the water absorption rate of the impregnated base. With the coordinated cooperation of the inner modified asphalt layer and the outer modified asphalt layer, it can ensure that the membrane remains in a low water absorption state for a long time, thereby maintaining the stability of the material performance.

This invention relates to a modified asphalt coating, an asphalt waterproof membrane, and their production method, belonging to the technical field of asphalt waterproof membranes. The modified asphalt coating comprises, by weight, the following raw materials: 50-60 parts petroleum asphalt, 5-10 parts SBS modifier, 10-15 parts organic montmorillonite-zinc oxide composite modifier, 20-30 parts inorganic filler, and 10-20 parts adhesive powder and additives. This invention achieves a synergistic effect between organic montmorillonite and asphalt through organic modification of montmorillonite and intercalation with zinc oxide to form an organic montmorillonite-zinc oxide composite modifier, and through nanoscale structural design, enabling the organic montmorillonite and asphalt to jointly construct a dense nano-barrier network within the asphalt. This network physically blocks small molecules in the asphalt while adsorbing asphalt fumes, which are then decomposed and fixed by metal oxide molecules. Simultaneously, it resists ultraviolet radiation and inhibits microorganisms on the asphalt surface, reducing the volatilization of asphalt fumes, thereby giving the asphalt waterproof membrane a smoke-suppressing and odor-neutralizing effect.

The utility model provides a root-resistant modified asphalt waterproof structure for a planting roof, which belongs to the technical field of waterproof structures for planting roofs and comprises a structural layer, a leveling layer is arranged on the upper side of the structural layer, a modified asphalt layer is arranged on the upper side of the leveling layer, a group of embedded rods are uniformly arranged on the periphery of the structural layer, and a waterproof layer is arranged on the lower side of the modified asphalt layer. The top ends of the pre-buried rods penetrate through the leveling layer and the modified asphalt layer, a planting frame is arranged on the pre-buried rods, the top ends of the pre-buried rods are in threaded connection with nuts, a mounting frame is arranged in the planting frame, and a group of bearing plates are uniformly and fixedly connected in the mounting frame. By arranging the planting frame, the mounting frame, the bearing plate, the inserting rods and the partition plates, planting soil is separated, the planting device can be conveniently applied to a roof with a slope, planting soil loss is avoided, different planting areas can be conveniently separated, assembling is convenient, applicability is higher, and the planting device is suitable for popularization and application. The problem that in the prior art, planting soil loss is likely to be caused when the device is used on a slope roof is solved.

The invention discloses a vertical face lap joint method for a macromolecular self-adhesive film waterproof coiled material and a modified asphalt waterproof coiled material. The foundation slab and the root of the outer wall are made of macromolecule self-adhesive film waterproof coiled materials, the outer wall is made of modified asphalt waterproof coiled materials, and the two coiled materials cannot be directly connected, so that the two coiled materials are connected through thermoplastic hidden nail belts. The free end of the macromolecule self-adhesive film waterproof roll and the thermoplastic hidden nail belt are tightly attached to the concrete outer wall together, the thermoplastic hidden nail belt is about 200 mm wide and is in a long strip shape, a through long groove is formed in the thermoplastic hidden nail belt, nail shooting holes are formed in the groove, and after the free end of the macromolecule self-adhesive film waterproof roll and the thermoplastic hidden nail belt are tightly attached to the concrete outer wall, nails are fixed in the groove. The outer wall modified asphalt waterproof coiled material is laid upwards from the lower portion of the hidden nail belt through a hot melting method (the hidden nail belt can be bonded with the modified asphalt waterproof coiled material after being heated), and finally the lower portion of the thermoplastic hidden nail belt is sealed through a sealing material. The method is simple to operate and good in waterproof effect.

The utility model relates to the technical field of buildings, and discloses a waterproof structure at the junction of an inverted roof and a wall body, which is characterized in that a roof floor is provided with a reinforced concrete floor, a rubber asphalt waterproof coating layer, a modified asphalt waterproof roll layer, an extruded polystyrene board layer and a reinforced fine aggregate concrete layer from bottom to top; a modified asphalt waterproof coiled material layer, a vertical protection masonry and a steel wire mesh cement mortar layer are arranged on the outer wall of the roof from the wall body to the wall surface; the modified asphalt waterproof coiled material layer is integrally formed by upturning and laying from the roof to the wall surface; the vertical protection masonry is built into a slope forming a 15-degree angle with the vertical face, and the two ends of a steel wire mesh in the steel wire mesh cement mortar layer are provided with fixing nails to be fixed to an outer wall and a floor. According to the characteristics of a building structure and an inverted roof structure at the joint of the roof and the outer wall and the joint of the roof and the parapet wall, the waterproof layer and the protective layer are specifically designed in a material and installation mode, connection and fixation of all layers of materials at the joint of the roof and the wall body are fully considered, and the waterproof effect is ensured.

The invention relates to the technical field of plastomer modified asphalt preparation, in particular to a preparation method and system of a plastomer modified asphalt waterproof coiled material, and the preparation method comprises the following steps: S1, determining the real-time dosage of a pre-compatible base material; s2, adding the pre-compatible base material, the functional additive and the inorganic filler in stages according to the determined adding amount, and treating by adopting a gradient heating and shearing blending process; s3, feeding the blended modified asphalt into a stirring kettle to complete homogenization treatment in a heat preservation state, and entering a tire base pretreatment process; s4, establishing an infiltration adaptation reference, and entering a dip coating process; s5, preparing a coiled material green body; and S6, the coiled material blank is fed into a three-section independent temperature control cooling roller set to be cooled and shaped, the internal stress of the coiled material is monitored on line, and closed-loop regulation and control are conducted. According to the method, the technical problems of large fluctuation of performance and poor batch consistency of a traditional process are solved, the fluctuation range of core performance between batches of finished products is reduced, and the production stability and the product quality controllability are greatly improved.

The invention relates to a modified asphalt sizing material, which is prepared from the following components in percentage by weight: 35.5 to 38.5 percent of 70 # asphalt, 6.5 to 9.5 percent of base oil, 4.5 to 5.5 percent of aromatic oil, 3.5 to 4.5 percent of SBS (Styrene Butadiene Styrene), 5.5 to 6.5 percent of SIS (Styrene Isoprene Styrene), 5.5 to 6.5 percent of SBR (Styrene Butadiene Rubber) powder, 1.9 to 2.1 percent of blocked isocyanate, 0.06 to 0.08 percent of activating agent, 4.5 to 5.5 percent of porous silicon dioxide and 24 to 30 percent of powder. The modified asphalt sizing material can trigger the activating agent to catalyze the deblocking of the blocked isocyanate at the processing temperature of 180 + / -2 DEG C to release-NCO groups, the-NCO groups can react with trace moisture in an asphalt system to generate CO2 gas, in the rubber layer forming process, CO2 is wrapped by the asphalt in a viscoelastic state to form a uniform closed-cell foam structure, and in the forming process of a rubber layer, the modified asphalt sizing material can be used for forming an asphalt layer. According to the structure, liquid water permeation is blocked by utilizing the characteristic that the surface tension of liquid water is greater than that of a bubble wall, and an initial channel is constructed for vapor diffusion; furthermore, closed-cell foam is bridged by utilizing nano-pores of porous silicon dioxide, a'nano-pore adsorption-micropore diffusion 'three-dimensional vapor-permeable network is constructed, diffusion and discharge of water vapor are accelerated, liquid water is further blocked, and dynamic balance of waterproofness and breathability is realized.

This invention relates to the field of building waterproofing, and discloses a composition for asphalt waterproof membrane, the asphalt waterproof membrane itself, its preparation method, and its application. The composition contains a main agent and additives; the main agent contains a base asphalt, rubber, SBS copolymer, crosslinking agent, accelerator, and coupling agent; the rubber is a combination of natural rubber and styrene-butadiene rubber in a mass ratio of 1:1.2-3. The asphalt waterproof membrane provided by this invention possesses a lightweight structure, excellent mechanical properties, and anti-aging properties.

The utility model relates to a roof structure of a heavy-load traveling crane, and belongs to the technical field of civil engineering structure construction. Comprising a surface layer, an isolation layer, a waterproof layer, a foam concrete heat preservation layer and a reinforced concrete roof structure layer which are sequentially arranged from top to bottom. The surface layer comprises a sealing layer and a steel fiber concrete layer, and the sealing layer is a high-wear-resistance polyurethane antiskid surface layer; the foam concrete heat preservation layer can improve the heat preservation and waterproofness of the roof structure; the waterproof layer can be two layers of SBS modified asphalt waterproof coiled materials, and can also be an SBS modified asphalt waterproof coiled material waterproof layer and a non-cured rubber asphalt waterproof coating layer. The steel fiber reinforced concrete layer is arranged as the surface layer, so that the problem that the surface layer of the traveling crane roof structure is insufficient in rigidity is solved, the water seepage risk is reduced through combination of the high-abrasion-resistance polyurethane anti-skid surface layer and the steel fiber reinforced concrete layer, slope making is directly carried out on the surface of the reinforced concrete roof structure layer to replace a slope making layer, roof slope making materials are reduced, and the construction cost is reduced. And the manufacturing cost of the roof structure is reduced.

The utility model relates to the technical field of asphalt waterproof coiled material cutting devices, in particular to a cutting device for modified asphalt waterproof coiled materials for roads and bridges, which comprises a base, a placing frame and a support, the placing frame is fixedly connected with the upper surface of the base, the support is fixedly connected with the upper surface of the base, and a driving mechanism is mounted at the upper end of the support. The driving end of the driving mechanism is located in the support, the inner wall of the support is slidably connected with a moving frame, the moving frame is in threaded connection with the driving end of the driving mechanism, the lower surface of the moving frame is fixedly connected with an air cylinder, the driving end of the air cylinder is provided with a cutter, and a clamping assembly is arranged at the joint of the support and the base. According to the coiled material cutting device, the clamping assembly is arranged, so that the coiled material in a machining area can be clamped when the device is used for machining, the problem that the cutting precision is reduced is solved, and the cutting precision of the cutting device and the binding performance on the coiled material are further improved.

The invention relates to the technical field of building waterproof materials, in particular to a modified asphalt waterproof coiled material and a preparation method thereof. The invention provides a modified asphalt waterproof coiled material. The modified asphalt waterproof coiled material comprises an anti-aging layer; the bonding layer is formed on the anti-aging layer; the anti-aging layer comprises a polyester base; the cross-linked modified asphalt coating is formed on the outer surface of the polyester base; the bonding layer is a non-crosslinking modified asphalt coating; the cross-linked modified asphalt coating is prepared from the following raw materials: 70 # asphalt, 200 # asphalt, SBS (Styrene Butadiene Styrene), waste tire powder, stone powder and a cross-linking agent; the non-crosslinking modified asphalt coating is prepared from the following raw materials: 70 # asphalt, 200 # asphalt, SBS (Styrene Butadiene Styrene), waste tire powder and stone powder. The modified asphalt waterproof coiled material provided by the invention can be quickly crosslinked, and has excellent bonding and peeling strength and thermal aging performance.

The present invention discloses a type of self-repairing, self-adhesive, tireless polymer-modified asphalt waterproofing membrane, which uses asphalt, a repair agent containing an acylhydrazone bond and carbon-carbon double bonds at both ends, an initiator, an SBS modifier, an SBR modifier, a compatibilizer, rubber powder, and a filler as main raw materials. The present invention first uses olefinic monomers and dihydrazide monomers to prepare a repair agent containing an acylhydrazone bond and carbon-carbon double bonds at both ends. This repair agent undergoes an addition reaction with the carbon-carbon double bonds in SBS and SBR, introducing a dynamic acylhydrazone bond between the SBS and SBR molecular chains to impart excellent self-repairing capabilities to the self-adhesive, tireless polymer-modified asphalt waterproofing membrane. The membrane can also effectively improve the high and low temperature performance and aging resistance of SBS and SBR elastomer-modified asphalt waterproofing membranes. Furthermore, a bentonite fluid is prepared and used to prepare a weather-resistant self-adhesive polymer-modified asphalt, which can further improve the waterproofing membrane's aging resistance, low-temperature flexibility, and seam peel strength.

The utility model discloses a sound insulation and vibration reduction structure at the joint of a floating structure and a drainage ditch, and relates to the technical field of vibration reduction and sound insulation. The waterproof structure comprises a structural floor slab, C30 floating concrete is arranged on the top of the structural floor slab, a drainage ditch reverse side and a drainage ditch concrete wall are arranged on the C30 floating concrete, and rubber-state waterproof paint is arranged on the inner side of the drainage ditch reverse side and the upper surface of the C30 floating concrete. The top of the rubber state waterproof coating is provided with a concrete ramming protection layer, and the top of the concrete ramming protection layer is provided with a natural rubber vibration isolation and sound insulation pad. The anti-vibration sound insulation plate can absorb and disperse vibration to a certain degree, the influence of vibration on the floating structure and the surrounding environment is reduced, the self-adhesion polymer modified asphalt waterproof coiled material has good waterproof performance, and an effective waterproof barrier is formed.

The invention discloses a multiple anti-seepage structure of a roller compacted concrete dam, and belongs to the technical field of dam seepage prevention. The dam body is composed of multiple stages of material layers; the quick-setting rubber asphalt waterproof coating is sprayed on the upstream surface of the dam body; the water stop structure is arranged on the upstream of the dam body transverse seam; the drainage gallery is arranged in the dam body; and the dam body drainage hole is communicated with the drainage gallery. According to the anti-seepage structure, an existing anti-seepage structure is optimized and improved, and targeted solutions are provided; a plurality of anti-seepage structures are arranged inside and outside the dam for combined seepage prevention, and the method is particularly suitable for design and construction of anti-seepage structures of roller compacted concrete gravity dams in high-temperature and rainy areas under high-water-head and complex geological conditions. Through multiple anti-seepage measures, the anti-seepage structure integrating prevention, blocking and drainage is formed, the number of anti-seepage channels of the dam can be reduced, and the safety and durability of the whole structure of the dam are improved; meanwhile, part of the technology is improved and optimized, the waterproof quality is improved, and the service life is prolonged.

The application discloses a polymer asphalt waterproof coating laminated waterproof system, a wet-paving construction method and application. The laminated waterproof system is a waterproof system composed of polymer asphalt waterproof coating and self-adhesive modified asphalt waterproof coiled material bonding, the polymer asphalt waterproof coating is once thickly coated on the surface of a base layer, and the self-adhesive modified asphalt waterproof coiled material is laid on the surface of the wet coating. The application has higher construction efficiency than common asphalt coating and self-adhesive waterproof coiled material composite waterproof layer, lower-temperature construction than non-solidified and coiled material composite waterproof layer, and one more waterproof layer than the wet-paving process. Meanwhile, the two waterproof layers of the application and the base layer are fully bonded to form a full-interface closed mortise and tenon sealing structure, and the water channeling resistance is better.

The invention relates to the technical field of waterproof coatings, and discloses a high-strength weather-resistant asphalt waterproof coating and a preparation method thereof. Wherein the waterproof coating is prepared from the following components in percentage by mass: 45-55% of No. 70 petroleum asphalt or No. 90 petroleum asphalt; 7%-12% of a styrene thermoplastic elastomer; 3%-5% of a nano oxide material; 1%-2% of an ultraviolet light absorber; 0.5%-1% of an antioxidant; 5%-10% of a tackifier; 2%-3% of an emulsifier; 20%-30% of a filler; and 3%-5% of water. The preparation method comprises the steps of base material preparation, emulsion preparation, emulsified asphalt preparation, functional additive mixing and filler mixing. According to the high-strength weather-resistant asphalt waterproof coating provided by the invention, through the synergistic effect of the nano oxide material, the ultraviolet light absorber and the antioxidant, the mechanical property of a coating film is improved, meanwhile, a free radical chain reaction is effectively inhibited, the weather resistance is further enhanced, and the service life is further prolonged.