365results about How to "Improve waterproof and anti-seepage performance" patented technology

The invention discloses a quick-setting cement-based capillary crystalline self-repairing waterproofing material and a preparation method therefor. The quick-setting cement-based capillary crystalline self-repairing waterproofing material is prepared from the following ingredients in parts by weight: 55-75 parts of silicate cement, 25-45 parts of quartz sand, 3-10 parts of buffering agent, 4-12 parts of active ingredient A, 4-15 parts of active ingredient B, 2-6 parts of expanding agent, 1-12 parts of calcium ion supplement and 1-4 parts of water reducing agent. The waterproofing material disclosed by the invention is prepared by a simple physical mixing method, is short in initial setting time and low in chloride ion content and can infiltrate into the interior of a cement-based material to form crystals so as to block up microcracks, thus, the folding and compressing resistance and secondary infiltrating resistance are improved, and meanwhile, the cement-based material is endowed with long-lasting self-repairing performance and good waterproof and durable performance. In addition, the preparation method for the quick-setting cement-based capillary crystalline self-repairing waterproofing material is simple, has low requirements on equipment and processes and has very high application power.

The invention relates to a high-performance anti-cracking anticorrosive water reducing agent composition and a preparation method thereof. The anti-cracking anticorrosive waterproof anti-frost property of the water reducing agent composition is improved while the water-reducing rate of the water reducing agent composition is increased. Compared with a water reducing agent in the prior art, the water reducing agent composition has excellent combination property and an anti-cracking anticorrosion effect. When the water reducing agent composition is prepared, low energy is consumed, and when the water reducing agent composition is used, little pollution is caused.

The invention discloses a high-permeability liquid rubber spray coating, and relates to the technical field of spray coatings. The high-permeability liquid rubber spray coating comprises a component A and a component B, wherein the component A is anionic liquid rubber asphalt emulsion; the component B is a coagulant solution; the component A has the solid content of liquid rubber asphalt emulsion of 50-75 weight percent, and comprises the following components in percentage by mass: 1 to 35 percent of rubber emulsion, 10 to 50 percent of asphalt emulsion, 0.01 to 2 percent of anionic dispersing agent, 0.01 to 2 percent of anionic surfactant, 0.1 to 10 percent of fatty alcohol-polyoxyethylene ether, 0.1 to 10 percent of alkali resistant wetting agent OEP-70 and 0.1 to 10 percent of alkali resistant wetting agent AEP; and the component B is an aqueous solution at the concentration of 3-18 percent, which is prepared by mixing calcium chloride and composite aluminum-iron polymer in percentage by mass. The wetting agents are added into the spray coating, and the coating has high permeability and wider application range.

An insulated-room sheet of cement-base fibre polymer is composed of two surfaces and the sandwich layer. The surface is made from the cement, flyash, ceramisite, latex, organic fibre, the water reducing agent, the waterproofing agent, the blister, the excitant and the concrete. The sandwich layer is made from the cement, flyash, EPS, pearlite, ceramisite, latex, interface agent, water reducing agent, the waterproofing agent, the blister, the excitant and the concrete. The sheet has the good insulation, low weight, good fire and water resisting.

The invention relates to a cold spraying type epoxy thin bridge deck paving material and a preparation method thereof. The cold spraying type epoxy thin deck paving material is characterized by comprising a binder and a single grading fine aggregate, wherein 1-2kg / m<2> of the binder is smeared on a bridge deck so as to form a binder layer; 5-8kg / m<2> of the single grading fine aggregate is sprayed on the binder layer so as to form a single grading fine aggregate layer; the binder is formed by mixing a component A with a component B, and the weight ratio of the component A to the component B is (1-1.4):1; the component A comprises the following raw materials in parts by weight: 75-85 parts of epoxy resin, 15-25 parts of modified epoxy resin and 5-10 parts of diluent; and the component B comprises the following raw materials in parts by weight: 20-30 parts of cycloaliphatic amide curing agent, 10-20 parts of modified amine curing agent and 40-60 parts of cured accelerator. The cold spraying type epoxy thin bridge deck paving material has the characteristics of good skid-resisting and wear-resisting properties, high adhesion strength with the bridge deck, good waterproof and seepage-proofing properties and good low temperature flexibility.

This invention relates to a method for preparing ireproof shield tunnel segment material with low shrinkage and high impermeability. The material is prepared from: cement 360-400kg / m3, fly ashes 80-120 kg / m3, fine aggregate 690-720kg / m3, coarse aggregate 1100-1180 kg / m3, humidity supplementary medium 50-150 kg / m3, fibers 0.8-2 kg / m3, expanding agent 20-30 kg / m3, water (the water / colloid is 0.29-0.32), and high-performance naphthalene-based water reducer (the amount is 1.3-1.6 wt.%). The material has such advantages as good durability, high size stability, and good fireproof performance.

The invention relates to a nanometer silicon wall paint for an external wall, which is prepared by using the following raw materials by weight part: 20-40 parts of de-ionized water, 0.5-0.8 parts of dispersing agents, 0.1-0.3 parts of wetting agents, 0.1-0.3 parts of bactericides, 1-3 parts of anti-freezing agents, 0.1-0.2 parts of pH regulators, 0.2-0.4 parts of de-foaming agents, 15-25 parts of pigments, 15-25 parts of fillers, 5-8 parts of nanometer calcium carbonate, 0.2-0.4 parts of mildew preventives, 0.3-1.0 parts of thickening agents, 15-35 parts of silicone acrylic emulsions, 3-5 parts of organic silicon modified acrylic ester polymerized emulsions and 0.5-1.0 parts of film-forming auxiliaries. The nanometer silicon wall paint for the external wall has a hydrophobic self-cleaning effect and has super climate resistance.

The invention provides a multilayer fabricated concrete wallboard structure system. The multilayer fabricated concrete wallboard structure system comprises a foundation, prefabricated wallboards and post-tensioned unbonded prestressed bars. The prefabricated wallboards are arranged on the foundation, at least two prefabricated wallboards are vertically spliced, and the prefabricated wallboards and the foundation are connected into a whole through the unbonded prestressed bars. One end of each unbonded prestressed bar is anchored in the foundation, and after being connected with the prefabricated wallboards in series, the unbonded prestressed bars are anchored to the ends of the prefabricated wallboards. Horizontal seam connecting pieces are arranged at the corners of the prefabricated wallboards, and the vertically-spliced prefabricated wallboards are connected and positioned through the horizontal seam connecting pieces. According to the multilayer fabricated concrete wallboard structure system, dry construction is adopted, fabrication accuracy and fabrication speed are high, and the requirement for building industrialization development is met. Because the multilayer fabricated concrete wallboard structure system has high capacity for dissipating earthquake energy, when an earthquake hazard happens, the requirement that the multilayer fabricated concrete wallboard structure system is not damaged in a small earthquake, can be recovered in a medium earthquake and does not collapse in a strong earthquake can be met, and the safety level of a multilayer fabricated building can be substantially improved.

The invention discloses a high-permeability concrete sealed waterproofing agent and a preparation method thereof. Most of permeable waterproofing agents on the market presently have the problems of too high surface tension, high viscosity, insufficient permeation depth, bad sealing effect for microcracks in concrete, and unobvious improvement for the waterproofing and anti-permeation performance of concrete. The waterproofing agent disclosed by the invention comprises 500-900 parts of lithium silicate solution, 5-50 parts of modifier, 1-20 parts of retarder, 0-50 parts of reinforcing agent, 5-50 parts of permeating agent and 0-200 parts of deionized water, wherein the lithium silicate solution is a colourless and transparent aqueous solution with a modulus of 4-5 and a solid content of 20-30%; and the permeating agent is one or more of polyether-modified organosilicone and fluorocarbon surfactant. According to the waterproofing agent disclosed by the invention, the lithium silicate solution is modified through the modifier, and the high-efficiency permeating agent and retarder are adopted, thus the surface tension of the waterproofing agent is greatly reduced, and the permeation depth is increased.

The invention provides ready-mixed mortar, comprising the following ingredients: 20-35 wt% of cement, 60-79 wt% of medium and fine sand, 0.05-0.3 wt% of cellulose ether high polymer, 0.1-2.0 wt% of engineering fiber, 0.1-4.0 wt% of expansive agent and 0.1-1.0 wt% of water reducer. The invention also provides a preparation method of the ready-mixed mortar. According to the invention, the problem of dry contraction of existing mortar, thus the tight connection between the mortar and concrete members is guaranteed, the waterproof and anti-permeability performance of the mortar are raised, the durability of the ready-mixed mortar is raised, and the cost is low. The preparation method of the ready-mixed mortar has the advantages of simpleness and low cost.

The invention discloses antifreeze ready mixed mortar, which comprises the following components by weight percentages: 20 to 35% of cement, 60 to 79% of medium and fine-grained sand, 0.05 to 0.3% of cellulose ether polymer, 0.1 to 2.0% of engineering fiber, 0.1 to 4.0% of bulking agent, 0.1 to 1.0% of water reducing agent and 0.1 to 1.0% of antifreeze. The antifreeze ready mixed mortar provided by the invention comprises sodium nitrite and other antifreezes, so that the problem that the internal structure of the ready mixed mortar used in winter is damaged by freezing and thawing can be effectively solved, the clotting time of mortar is obviously shortened, the antifreeze performance of mortar is improved, and the durability of mortar is improved. The antifreeze ready mixed mortar is convenient to use, a time-consuming and labor-consuming wind proofing fence which is used in winter construction is avoided being used, the preparation method is simple, and the cost is low.

The invention relates to the field of an outer wall coating industry, and in particular relates to a seepage-proofing thermal-insulating coating and preparing method thereof. The seepage-proofing thermal-insulating coating is a composition which is prepared from the following ingredients in parts by weight: 25-25 parts of deionized water, 0.1-1 part of dispersing agent, 0.1-0.5 part of wetting agent, 0.1-0.5 part of antifoaming agent, 0.1-0.5 part of preservative, 0.1-1 part of mildew preventive, 0.1-0.5 parts of multifunctional assistant, 1-5 parts of anti-freezing agent, 1-5 parts of film forming assistant, 5-10 parts of rutile titanium dioxide, 3-8 parts of talcum powder, 5-10 parts of hollow microsphere powder, 30-40 parts of silicone acrylic emulsion and 1-5 parts of alkali swelling type thickening agent. With the seepage-proofing thermal-insulating coating provided by the invention, the production cost of the coating is further reduced; the coating is good in compactness, so that the coating has better seepage-proofing and waterproof functions; and in addition the coating has excellent performances such as adhesive force and yellowing resisting function.

The invention relates to a cement-based capillary crystalline waterproof material based on a nanosilicon-based material and a preparation method and application thereof. The waterproof material is prepared from, by weight, 45-65 parts of cement, 14-32 parts of quartz sand, 5-10 parts of a retarder, 0.1-0.4 part of the nanosilicon-based material, 2-9 parts of a crystal precipitant, 0.5-5 parts of asurfactant, 0.5-2 parts of a complexing agent, 1-5 parts of a calcium ion compensation agent, 0.5-2 parts of a water reducing agent and 0.2-2 parts of cellulose ether. Compared with the prior art, the cement-based capillary crystalline waterproof material is suitable for repairing pores and cracks inside cement, when a cement-based material has the cracks of which the diameters are small than 0.4mm, insoluble sediment is generated in the cracks of the cement-based material in the presence of water to fill and seal the cracks of the cement-based material, and thus self-repairing of the cracksof the cement-based material is achieved.

The invention provides a waterproof and cohesive layer exclusive for porous asphalt pavement, which comprises a structure as: a porous asphalt concrete surface layer (1), an emulsification asphalt cohesive layer (2) and a dense grad asphalt concrete surface layer (3) are orderly arranged from the upper side to the lower side, also a silicon rubber waterproof agent filtration layer (4) is arranged on or infiltrated the dense grad asphalt concrete surface layer (3). The invention can improve the waterproof property of the dense grad asphalt concrete surface layer under the porous asphalt concrete road surface, strengthens the cohesive property between the dense grad asphalt concrete surface layer and the porous asphalt concrete surface layer, prevents any moving between the porous asphalt surface layer and the dense grad asphalt concrete surface layer, effectively avoids water damages on the asphalt mixture which is resulted by rain infiltrating through the dense grad asphalt concrete surface layer, improves the waterproof property of the dense grad asphalt concrete, and improves the endurance of the dense grad asphalt surface layer of high-speed road and lengthens whole road surface service life.

The invention provides a fireproof coating for thick formed steel constructions. The coating is prepared from a fireproof filler, a fire retardant, a main binder, an auxiliary binder, a water-proofing agent and mica powder; the binding performance of the fireproof coating for the steel constructions is improved, meanwhile, the dosage of the fire retardant is optimized and the long fire resistance of the fireproof coating for thick formed steel constructions is guaranteed; other auxiliaries as the water-proofing agent are added to improve the water tolerance, anti-penetrability performance and weather fastness of the fireproof coating for the steel constructions are improved. The fireproof coating for the steel constructions has the characteristics of water tolerance, anti-permeability, fire resistance, impact resistance, simple preparation process, convenience for application, non-toxicity and harmlessness, long service life and the like. The fireproof coating for thick formed steel constructions is suitable for fireproof protection of the exposed parts of steel construction buildings high in fire endurance.

The invention discloses a concrete anti-freezing and anti-cracking agent. The concrete anti-freezing and anti-cracking agent is formed by mixing 95 parts by weight of hydrophobic modified mica powder with 5 parts of nano silicon dioxide. Hydrophobic modified mica is prepared by a method comprising the following steps: first step, drying white mica or bronze mica; step two, pulverizing the white mica or the bronze mica into flaky micro-powder of which the granularity is 80 mu m, the screen residues are 15% or below and the thickness is 2.5 mu m; and third step, after mixing a silane coupling agent, methylsilicone oil and white mica powder or bronze mica powder which is prepared in the second step according to a formula, carrying out modification treatment on the mixture at the temperature of 150 DEG C, and the pulverizing the mixture to obtain the finished hydrophobic modified mica powder. The shrinkage of the concrete added with the anti-freezing and anti-cracking agent is greatly reduced, and the anti-cracking property is greatly improved.

The invention discloses novel environment-friendly waterborne inorganic paint and a preparation method thereof. The novel environment-friendly waterborne inorganic paint is prepared from, by weight, 55-65 parts of kaolin, 12-20 parts of sodium silicate, 20-30 parts of titanium dioxide, 1-5 parts of nano zinc oxide, 5-10 parts of ultrafine wollastonite powder, 1-10 parts of nano calcium carbonate, 1-5 parts of ultrafine white mica powder, 7-15 parts of polyvinyl alcohol, 1-4 parts of ultrafine molybdenum disulfide powder, 2-10 parts of nano silicon dioxide, 2-12 parts of nano magnesium oxide, 2-12 parts of nano aluminum oxide, 1-3 parts of magnesium chloride, 1-3 parts of a sodium silicate hardening accelerator, 2-5 parts of a pH value regulating agent, 1-8 parts of a waterproof agent, 6-10 parts of an antifoaming leveling agent, 1-3 parts of a thickening anti-settling agent and 280-310 parts of water. The novel environment-friendly waterborne inorganic paint which is environment-friendly waterborne inorganic paint for buildings is high in storage stability, excellent in water resistance and alkali resistance, strong in adhesion, high in fire resistance, high in strength and hardness, resistant to scratching and contamination, excellent in corrosion resistance and antibacterial property, free of formaldehyde, benzene compounds, VOC (volatile organic compounds) and heavy metal elements, completely environmental friendly and nontoxic, suitable for industrial production, easy for painting and convenient and quick in construction.

The invention relates to a diatom ooze coating special for underground space and preparation and application thereof. The coating is prepared by taking a polymer as a main film forming substance, water as a solvent, diatom ooze and the like as fillings and adding other addition agents. The coating takes the water as the solvent, so the coating has no toxicity and resistance to ultraviolet radiation, can generate negative oxygen ions, has high adhesive strength, good waterproof and quake-proof effects and moderate cost, and is widely used for decorating the inner walls of buildings such as office buildings, residential buildings, hospitals, schools, factory buildings, markets, and entertainment places; the coating has high adhesive strength, good effects of water resistance and permeability resistance, thermal resistance, frost resistance and good extensibility; the coating is performed cold construction, is directly painted, and is operated conveniently; and the coating is applicable to the water resistance, permeability resistance and moisture resistance of various buildings such as new and old roofs, basements, toilets, grain warehouse, dams, oil warehouses, pipelines, swimming pools, tunnels, construction gaps, expansion joints, roads and bridges and the like.

The invention discloses delayed coagulation ready-mixed mortar. The delayed coagulation ready-mixed mortar comprises the following components in percentage by weight: 20-35% of cement, 60-79% of medium-fine sand, 0.05-0.3% of cellulose ether high molecular polymer, 0.1-2.0% of technical fiber, 0.1-4.0% of expanding agent, 0.1-1.0% of water reducing agent and 0.1-1.0% of retarding agent. The delayed coagulation ready-mixed mortar provided by the invention has the advantages that the coagulation time of the ready-mixed mortar can be effectively prolonged, simultaneously the hardening of the mortar can be delayed, the potential safety hazard of quality caused by secondary water addition is prevented, the delayed coagulation ready-mixed mortar is convenient to use, the secondary time and labor consuming water addition is avoided when the delayed coagulation ready-mixed mortar is used in hot weather construction, and the preparation method is simple and low in cost.

The invention discloses a high-flatness integrative solar power generation integral roof and an installation method thereof, which solve the technical problems of complicated structure, high cost and unscientific installation of the prior solar power generation roof. The high-flatness integrative solar power generation integral roof comprises solar power battery components (1), U-shaped steel drainage channels (3), roof purlins and a roof upright post. The installation method comprises the following steps that: the U-shaped steel drainage channels (3) used as rafters are parallelly and fixedly arranged on a first purlin (4)and a second purlin (5) of the roof at intervals; the solar power battery components (1) are arranged between lateral plates of the adjacent U-shaped steel drainage channels (3); the outer side edge of an aluminum-type frame (9) arranged at the lower end of each solar power battery component (1) is provided with a tail edge (2) in a extension mode; the tail edge is overlapped on the edge of the upper end of a solar power battery component arranged below the tail edge, and sealing strips (11) and (15) are additionally arranged on the edge of the upper end to form vertical connection; and the connection is sequentially installed by rows from left to right along the slope roof to obtain the high-flatness integrative solar power generation integral roof. The high-flatness integrative solar power generation integral roof realizes the perfect combination of the flatness and the integration with buildings of the height of the solar power generation roof.

The invention provides a waterproof paint for roads and bridges and a preparation method thereof. The preparation method comprises the following steps: emulsifying 15-20 parts of rubber material, 5-8 parts of polymer emulsion and 8-12 parts of resin material in an emulsifying machine at 60-70 DEG C to obtain a rubber latex emulsifier mixed solution; and mixing the obtained rubber latex emulsifier mixed solution with 60-80 parts of heavy-duty road asphalt, 1-3 parts of film-forming assistant and 8-12 parts of defoaming agent in the emulsifying machine at 120-130 DEG C. The waterproof paint for roads and bridges has the advantages of heat resistance, cold resistance, acid resistance, alkali resistance, high softening point, long service life, favorable waterproof and impervious effects, wide raw material sources, accessible raw materials and simple preparation method.

The present invention is one kind of waterproof adhesive powder composition and its preparation process. The waterproof adhesive powder composition consists of aluminosilicate powder 30-40 wt%, hydrous siliate powder 15-35 wt%, silica powder 5-15 wt%, calcium carbonate powder 5-15 wt%, mineral powder 5-15 wt%, ethylene glue powder 5-15 wt%, plasticizer 0.5-1.5 wt%, thickener 0.2-0.5 wt%, organosilicon 1-3 wt%, coagulation accelerator 0.1-0.3 wt%, and anticracking agent 0.05-0.15 wt%.

The invention discloses a lightweight high-strength calcium silicate board and a preparation process thereof. The light high-strength calcium silicate board is composed of the following components, inpercentages by mass: 10-20% of cement, 35-60% of quartz sand powder, 10-20% of slaked lime powder, 5-10% of fly ash, 5-10% of reinforced cellulose, 2-5% of a filler, 5-10% of bentonite, and 1-3% of aflocculating agent. The preparation process includes the steps of fiber slurry preparation, quartz sand slurry preparation, pulping, defibrination and pre-stirring, board preparation, pre-curing, autoclaved curing, drying, and shaping. According to the lightweight high-strength calcium silicate board provided by the invention, a synergistic effect of different materials is fully played through ingenious proportioning of the materials, especially the cement, the slaked lime powder, the fly ash and the bentonite are adopted, so that the difficult problem that mortar or concrete is easily cracked because quicklime and cement are directly adopted in a traditional method can be avoided, formation of tobermorite crystals in the preparation process can be promoted, and the strength and qualification rate of the calcium silicate board can be improved.

The invention relates to a one-component flexible polymer waterproof mortar material and a method for preparing waterproof mortar by using the one-component flexible polymer waterproof mortar material. The waterproof mortar material comprises the following powder: cement, sand, rubber powder, cellulose, fiber, silica fume, a defoaming agent, a water reducing agent, a waterproof agent and the balance of a silicon-aluminum material. According to the selected value ranges, the specific powder is selected, matched and added into a stirring device for sufficiently stirring, and a finished product of the one-component flexible polymer waterproof mortar material can be obtained after evenly mixing. The method for preparing waterproof mortar comprises the steps of burdening, adding water and mixing, and treating. The one-component flexible polymer waterproof mortar material and the method have the advantages that the flexible polymer waterproof mortar obtained after evenly mixing the waterproof mortar material and the water has the durability of mortar and certain flexibility so as to prevent cracking and water seepage, and meanwhile the flexible polymer waterproof mortar is ultra-thin, high in anti-permeability, high in wear resistance, good in anti-permeability and waterproof performance, proper in strength, and good in flexibility, impact resistance and cohesive property. The preparation method of the waterproof mortar is easy to grasp and high in efficiency, and can be used for guaranteeing the product quality.

The invention provides a graphene-based foamed ceramic insulation wallboard, which is made of the following components: potassium sodium feldspar, ceramic waste residue, graphene, vermiculite, high-temperature co-solvent, expanded graphite, zirconia, clay, stable agent and debonding agent. Using potassium sodium feldspar and ceramic waste slag as the base material, adding graphene and vermiculite to make the board more lightweight, high-strength, thermal insulation, and improve the performance of the board such as fire resistance, insulation and weather resistance, using expanded graphite as a foaming agent, using high temperature The foaming process can better control the density, pore distribution and pore size of the board, achieve better heat preservation and light weight effects, and make a board with remarkable anti-aging, corrosion resistance, heat insulation, sound insulation, waterproof and impervious, fireproof and fireproof. , lightweight, high-strength, non-cracking, green and environmental protection and other comprehensive performance in one foam lightweight wallboard.

The invention relates to a waterfroof agent used in cement mortar and a preparation method thereof. The waterfroof agent comprises the following raw materials of: by weight, 5.0-15.0 parts of paraffin, 3.0-5.0 parts of silicone oil, 0.5-3.0 parts of aliphatic acid, 1.0-3.0 parts of triethanolamine, 0.4-2.5 parts of sodium hydroxide and 60.0-100.0 parts of deionized water. The preparation method comprises the following steps of: firstly respectively weighing the above raw materials, mixing, melting, heating, saponifying, cooling, homogenizing, examining, and packaging to obtain a milky thick liquid waterfroof agent. The waterproof agent is aqueous and environmentally friendly, is nontoxic and tasteless, causes no pollution, is convenient to use, and has good compatibility with cement mortar. With the addition of the waterproof agent, cured and dried cement mortar has a strong waterproof function and can effectively avoid entry of rainwater, thus guaranteeing construction quality and service life.

The invention discloses ceramsite foam concrete and a preparation process thereof. The concrete comprise the following components in parts by weight: cement, fine sand, reinforced lightweight aggregate, polypropylene resin fiber, fly ash, mineral powder, a waterproof agent, an air entraining agent, a foaming agent, a water reducing agent and water. The preparation process includes the following steps: S1. weighing corresponding parts of the cement, the fine sand and ceramsite, and putting the above components into a stirrer for stirring; S2. weighing corresponding parts of the polypropylene resin fiber, the fly ash and the mineral powder, adding the polypropylene resin fiber, the fly ash and the mineral powder into the stirrer in the step S1 to continuously stir and mix, adding the water in two thirds of the proportioning parts, and continuously stirring and mixing to form slurry with uniform color; S3. adding the water, the waterproof agent, the air entraining agent and the water reducing agent with the remaining parts into the step S2 to continue stirring, starting a pressure foaming machine at the same time, and adding foam generated by the foaming agent with corresponding partsinto the slurry; and S4. uniformly stirring and mixing the slurry and foam in the step S3. The ceramsite foam concrete has the advantages of high compressive strength, good impermeability and good durability.

The invention discloses a post-cast strip structure for previously stopping water in basements and a construction method thereof. The structure comprises a main basement structure on the left and right sides, a post-cast strip area and a cast-in-place trapezoid concrete groove structure which is arranged below the post-cast strip area. A water-proof material rolling layer, a water-proof polyurethane coating film layer, a water-proof protective layer and a concrete cushion layer are sequentially arranged below the main basement structure and the cast-in-place trapezoid concrete groove structure; the post-cast strip structure for previously stopping the water in the basements has the advantages of being excellent in leaking-proof and water-proof effect, simple in structure, high in contraction distortion capability, and capable of effectively preventing sundries and accumulated water from entering the post-cast strip area, avoiding secondary cleaning, providing convenience for construction and effectively accelerating construction progress, and moreover, the undesirable phenomena such as slurry accumulation, water accumulation and the like are unlikely to occur by using the structure, so that the post-cast strip structure for previously stopping the water in the basements is worthy of popularization.

The invention relates to the field of water leakage treatment of building joints, in particular to a deformation joint treatment method and a deformation joint waterproof structure. The deformation joint treatment method comprises the steps that 1, on-site survey is conducted; 2, the type of deformation joint leakage is determined based on the result of the on-site survey; and 3, a construction plan is made based on the type of the deformation joint leakage. According to the deformation joint treatment method, the on-site survey is firstly conducted, information of the deformation joint is collected, the width and length of the deformation joint, the location and cause of water seepage, the number of water seepage points, the amount of water seepage, and the damage condition of a water stop are obtained; the type of the deformation joint leakage is determined based on the location and cause of water seepage, the number of water seepage, the amount of water seepage, and the damage condition of the water stop; according to the determined type of the deformation joint leakage, a targeted construction plan is made to better treat the leakage. According to the deformation joint treatment method, a flexible waterproof structure is formed, in the process of water blocking, a water blocking material can passively adapt to the deformation of the structure, and the problem of water leakage caused by the material damage due to the deformation of the structure is alleviated.

The invention discloses a preparation method of cement concrete early strength agent by using industrial residue, and belongs to the manufacturing method of cement additive. The industrial residue red mud is used as the main raw material, and the industrial residue acetylene sludge and desulfurized gypsum are used as auxiliary, wherein the mass percent of the materials is as follows: 75-85% of red mud, 10-15% of acetylene sludge and 5-10% of desulfurized gypsum. The preparation method is as follows: (1) drying process: drying the red mud, the acetylene sludge and desulfurized gypsum through a dryer, removing the free water; (2) weighing burdening and grinding mixing process: weighing burdening according to the raw material formulation, then putting the three raw materials in a ball mill to mix and grind until the specific surface area is not less than 600sq.m / kg; (3) low-temperature calcinating process: calcinating the mixer at a low temperature of 600 DEG C, keeping constant temperature for 1 hour, naturally cooling in atmosphere to obtain the early strength agent. The method disclosed by the invention has the advantages that the setting and hardening of the cement concrete are accelerated, the early strength is improved, the water-proof anti-permeability is good, various engineering demands are satisfied, the construction speed is accelerated, and the construction cost is reduced.