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97results about How to "Anti-seepage" patented technology

Stalk light body energy-saving heat preserving building blocks and manufacturing method thereof

The invention discloses a straw light-weight energy-saving insulated building block and a method for producing the same. The method comprises the following steps: using broken straw segments processed by a surface modifier, high strength low-alkali cement, fly ash, superfine active mixed materials and the like as main raw materials; adding various additives such as a waterproof impermeable agent, a preservative, a high-efficiency water reducing agent, an excitant and the like and modified materials to the main raw materials, mixing all the materials evenly, and adding water to the mixture and blending the mixture evenly; molding, demolding and maintaining the mixture to mold the building block (a reinforcing rib of which the surface is provided with a plurality of transverse lug bosses), and coating cement waterproof fluid on the outside; and making protection layers on two sides of the building block with ordinary Portland cement, sand, slag, additives and water so as to obtain the straw light-weight energy-saving insulated building block. The straw light-weight energy-saving insulated building block has the characteristics of light weight, high strength, good thermal insulation property, low water absorption rate, high freeze-melt resistance, fire prevention, water prevention, seepage prevention, insect and mouse damage prevention and the like, and saves 50 percent of energy for a single wall body material in the northern cold areas. Besides, the straw light-weight energy-saving insulated building block can be widely popularized and applied to the field of construction, in particular to the village and small town dwelling constructions in the northern cold areas.
Owner:肖力光

Irrigation and drainage integrated device suitable for underground high water level

InactiveCN102919102AContribute to high and stable productionAchieve drainageConstructionsSoil drainageWater storageSubsurface irrigation
The invention discloses an irrigation and drainage integrated device suitable for a high underground water level. The irrigation and drainage integrated device comprises a set of underground irrigation pipelines, an underground water conveying pipeline, a water storage pool body, a water inlet pipe, a water outlet pipe, a water pump and two automatic control valves of the water pump, wherein one end of each underground irrigation pipeline is connected with the underground water conveying pipeline; a water permeable film is mounted at the other end of each underground irrigation pipeline; the underground water conveying pipeline is connected with the water inlet pipe; the water inlet pipe is connected with the water storage pool body; the first automatic control valve is mounted on the water inlet pipe; one end of the water outlet pipe is connected with one side of the water inlet pipe; the other end of the water outlet pipe is connected with the water storage pool body; and the water pump and the second automatic control valve are respectively mounted on the water outlet pipe. According to the irrigation and drainage integrated device, redundant underground water can be drained under higher underground water level of farmland and is stored in the water storage pool body, and infiltrating irrigation is carried out through the underground irrigation pipelines under lower underground water level, so that the irrigation and drainage functions are achieved, the water resources are saved and high and stable yield of crops can be facilitated.
Owner:HOHAI UNIV

Green ecological zero energy consumption integration house

The invention relates to a green ecological zero energy integrated building, a first floor of the building is provided with a living room, a bedroom, a dinning room, a kitchen, a toilet; a second floor of the building is provided with a bedroom and a toilet; a heat supply system is arranged inside the room, the building is connected with a heliogreenhouse on the ground and is connected with a methane tank under the ground. A solar thermal collector arranged at the top of the building is communicated with a temperature-holder box arranged inside the rooms of the building by a circulating pipe of the first line, the temperature-holder box is communicated with a water heating pipe of a gas-fuel heater by the circulating pipe, a gas line of the gas-fuel heater is communicated with the methane tank by a methane pipe. A hot water outlet of the temperature-holder box is respectively communicated with a PE-RT pipe and a heating pipe of the methane tank which is buried near the methane tank. A water tank temperature sensor, a room temperature sensor and a collector temperature sensor are connected with an intelligent controller. With the solar energy, bioenergy and wind energy complementing each other, the building has the characteristics of comfort, environmental protection, energy saving and zero-pollution.
Owner:赵民忠

Method for preparing novel steel bar rust resistant agent

The invention relates to a novel steel bar rust resistant agent, and belongs to the technical field of building materials. The steel bar rust resistant agent is characterized by comprising the following raw materials in percentage by weight: 10 to 20 percent of alkamine (ethanolamine and one of N-methyl ethanolamine, triethanolamine, p-hydroxy cyclohexylamine), 5 to 15 percent of ammonium benzoate, 10 to 15 percent of nanometer methyl potassium silicate, 1 to 5 percent of citric acid and the balance of water. A method for preparing the steel bar rust resistant agent comprises the following steps of: weighing the raw materials according to a formula, and mixing and stirring uniformly to obtain the novel steel bar rust resistant agent. The rust resistant agent with a rust resistant function and the nanometer methyl potassium silicate combine and are sprayed on the surface of steel bars directly on a steel bar production line to produce an anticorrosive oxidation film at high temperature, so the effective utilization rate of the rust resistant agent is improved, and a rust-resistant function is achieved while the performance of concrete is not influenced. Therefore, the steel bar rust resistant agent retards and blocks the corrosion of the steel bars in the reinforced concrete effectively and has the characteristics of environment friendliness, high adsorptive force and high corrosion resistance.
Owner:SHANGHAI UNIV

On-site construction method for anti-seepage air bag for bottom of river channel

The invention relates to an anti-seepage air bag for the bottom of a river channel, in particular to an on-site construction method for the anti-seepage air bag. According to the on-site construction method for the anti-seepage air bag, a breathable wall bag of an appropriate size and with an opening arranged at one end is selected according to the requirement of a river channel, rigid plates matched with the size of the breathable wall bag are selected and are fixed along the length direction and the width direction of the breathable wall bag to support the inside space of the breathable wall bag, the height of the rigid plates from the ground of the river channel is equal to the thickness of the breathable wall bag, anti-seepage particles are filled in the breathable wall bag to form the anti-seepage air bag, and the opening end is sealed. According to the on-site construction method for the anti-seepage air bag for the bottom of the river channel, the appropriate breathable wall bag can be selected according to the size and scale requirements of the reformed river channel, the anti-seepage breathable particles are filled on site through inflation to form the anti-seepage air bag, and the problem of long-distance transportation of sand bags in existing river bank transforming construction can be solved. In addition, the sand bags processed on site don't have high requirements on sealing of the breathable wall bag, and on-site construction is extremely convenient.
Owner:RENCHSAND ECO ENVIRONMENT PROTECTION SCI & TECH CO LTD

Environment-friendly external wall thermal-insulation putty and preparation method thereof

The invention relates to an environment-friendly external wall thermal-insulation putty. The putty is prepared by adding paper making white clay slag, steel slag and pure calcium aluminate cement on the basis of the conventional formula, and thus, belongs to a pure inorganic material. The putty has the characteristics of environment friendliness, no toxicity or odor, light weight, higher strength, lower heat conductivity coefficient and the like, and thus, has the advantages of thermal-insulation property, light dead weight, flame retardancy, sound insulation, weather resistance, aging resistance, freeze-thaw resistance, moisture resistance, seepage resistance, stable performance, excellent operating performance, convenient construction, low manufacturing cost and the like, thereby satisfying the determination of the design or construction technical scheme. The putty is suitable for internal / external wall thermal-insulation engineering in the regions with hot summer and cold winter, regions with hot summer and warm winter and part of cold regions, is also suitable for thermal insulation for party walls, floors, channels, basements, floor heating and other positions of the buildings, and can achieve the energy-saving effect. The putty can also be used for energy-saving reconstruction of the existing buildings.
Owner:长兴贝斯德邦建材科技有限公司

Internal strengthening and reinforcing method and strengthening combined structure for PCCP (prestressed concrete cylinder pipes) with broken wires

InactiveCN105650400ASolve the technical problems of insufficient carrying capacityGood structural reinforcementPipe elementsFiberPrestressed concrete
The invention discloses an internal strengthening and reinforcing method for PCCP (prestressed concrete cylinder pipes) with broken wires. The internal strengthening and reinforcing method includes steps of A, preparing DXE elastic materials and carbon fiber sheet materials according to construction designs; B, checking, repairing and flattening the inner surfaces of concrete pipe cores of the PCCP, thoroughly cleaning the repaired inner surfaces of the concrete pipe cores and drying the inner surfaces of the concrete pipe cores. The internal strengthening and reinforcing method for the PCCP with the broken wires has the advantages that characteristics of the various materials are sufficiently utilized, excavation along the outsides of pipelines can be omitted, the construction method is simple, convenient and speedy, the investment can be saved, excellent seepage prevention effects can be realized, the PCCP are good in abrasion resistance, and the internal strengthening and reinforcing method is nontoxic and environmentally friendly and can be used in strengthening and reinforcing construction on pipes with broken wires for drinking water engineering; performance merits of the various materials for a combined structure for strengthening seepage prevention composite linings can be sufficiently played and are optimally combined with one another, composition structures are reasonably matched with one another, and accordingly good effects for integrally structurally strengthening the PCCP with the broken wires can be realized.
Owner:CHINA INST OF WATER RESOURCES & HYDROPOWER RES +4

Low-temperature repairing material for high-speed rail base concrete in severe cold region and application of low-temperature repairing material

ActiveCN106747133AGuarantee the construction qualityReduced operational timeFiberPolypropylene
The invention belongs to the technical field of construction materials, and particularly relates to a low-temperature repairing material for a high-speed rail base concrete in a severe cold region and application of the concrete low-temperature repairing material. The low-temperature repairing material comprises the following components: 425 ordinary Portland cement, 425 sulphoaluminate cement, 725 sulphoaluminate cement, a waterproof admixture, rubber powder, an aggregate, a water reducer, a construction improver, a water-retaining agent, an early strength agent, a nano multifunctional water repellent agent, and PP (polypropylene) fiber. The low-temperature repairing material for the high-speed rail base concrete in the severe cold region, provided by the invention, has a repairing construction time meeting a skylight time requirement of a high-speed rail, has compression strength after completion of hydration matching with that of the base concrete, is high in tensile bond strength with the base concrete, is slightly expanded and strong in anti-freezing circulation capability at -40 DEG C, can avoid secondary detachment, and well meets requirements on the low-temperature repairing material for the high-speed rail base concrete in the severe cold region.
Owner:郑州筑邦建材有限公司 +1

High-strength non-shrinkage concrete master batch

The invention relates to a construction material, in particular to a high-strength non-shrinkage concrete master batch, and aims to solve the problems that: the conventional concrete production process is relatively complex and has high technical threshold; the conventional material is not suitable to be purchased and stored on a large scale because the strength of the conventional material is influenced by storage time and storage environment; and the produced product has poor high fluidity under the condition of high viscosity, and can generate segregation phenomenon when the proportion of the water is larger. The technical scheme adopted by the invention to solve the technical problems is that: mixing 9.5 percent of high-efficiency water reducing agent melamine, 76.1 percent of UEA swelling agent, 0.6 percent of antifoaming agent, 0.6 percent of methyl cellulose ether, 12.2 percent of calcium formate and 1.0 percent of subdivisible emulsion powder; sufficiently and uniformly stirring the mixed materials; grinding the obtained product in a ball grinding mill; and selecting the ground particles of which the particle diameter is controlled to between 5 and 10mu m as the master batch. The master batch is used together with portland cement, fast setting and hardening cement, sulphoaluminate early strength cement and quartz sand to produce various concretes with different application.
Owner:CHINA MCC 2 GRP CO LTD

Cementing artificial sand stone material and preparation method thereof

The invention provides a cementing artificial sand stone material, which is a novel material between roller compacted concrete and a common cementing sand gravel material. According to the present invention, compared with the common cementing sand gravel material aggregate processing using natural river bed sand and gravel, the aggregate processing of the present invention has the following characteristics that the treatment is complex, the crushing is required, the mud content is low, and the sand ration is adjusted according to the principles of good workability and excellent economy; compared with the roller compacted concrete material aggregate processing, the aggregate processing of the present invention has the following characteristics that the complex aggregate gradation design does not exist, the aggregate is obtained by carrying out simple crushing processing on the dig material and adjusting the sand ratio, and according to the aggregate gradation fluctuation, the matching ratio design is performed through the principle of the double gradation double strength regulation or the single gradation single strength regulation; and the obtained dam building material has characteristics of sufficient strength, good penetration resistance and good freezing resistance, and the process of the present invention is substantially simplified compared with the roller compacted concrete process so as to reduce the cost.
Owner:CHINA INST OF WATER RESOURCES & HYDROPOWER RES +1

Flexible connection ring anti-cracking anti-seepage and explosion-proof wall

The invention discloses a flexible connection ring anti-cracking anti-seepage and explosion-proof wall. The outermost layer of a wall body is wrapped by a high-strength anti-cracking anti-seepage and explosion-proof shell body. Rectangular explosion-proof steel plates are symmetrically arranged on both sides of an inner center line, and the two sides of the rectangular explosion-proof steel plates are connected through flexible connection rings at the center line; the edges and the edges of the rectangular explosion-proof steel plates are opposite to form a quasi-rectangular cavity, and internal light energy dissipation and anti-cracking damping materials are poured inside the cavity; explosion-proof and flame retardant buffer steel plates are arranged on the inner side and the outer side of the rectangular explosion-proof steel plates correspondingly; and the explosion-proof and flame retardant buffer steel plates on the two sides of the rectangular explosion-proof steel plates are connected through explosion-proof and flame retardant buffer steel plate connecting pieces. Inside the wall body, high toughness and anti-cracking damping materials are poured between the rectangular explosion-proof steel plates and the explosion-proof flame retardant buffer steel plates, the damping materials are large in deformation ability and high in crack resistance ability, so that the energy generated by explosion shock to the utmost extent can be absorbed. Outside the wall body, high elastic and flame-retardant buffer plates are mounted between the two explosion-proof and flame retardant buffer steel plates and the outermost layer high-strength anti-cracking anti-seepage and explosion-proof shell body, so that the effects of flame-retardant and buffering are effectively achieved.
Owner:SHENYANG JIANZHU UNIVERSITY
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