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119results about How to "Suitable for construction" patented technology

Low elevation greenbelt rainwater regulation scheduling pool and distributed rainwater regulation scheduling pool system

The present invention discloses a low elevation greenbelt rainwater regulation scheduling pool and a distributed rainwater regulation scheduling pool system. The distributed rainwater regulation scheduling pool system comprises a low elevation greenbelt (1), a rainwater overflow well (2) and a rainwater regulation scheduling pool (7), and water storage, drainage and supply which are integrated with a rainwater pipe network or a sewage pipe network are achieved. Compared with the prior art, rainfall runoff and flood detention can be effectively adjusted, runoff pollution can be reduced, and purification, storage and utilization functions of rainwater are fulfilled; and the system is tightly combined with the rainwater and sewage pipe networks of a city, the problems of urban inland inundation caused by rainstorm, the runoff pollution caused by rain wash, and rainwater resource utilization are solved, water storage is scheduled according to drainage ability of drainage pipelines, an important means is provided for sponge urban construction, and the system has outstanding social, environmental and economic benefits.
Owner:TIANJIN UNIV

Method for smelting low-sulfur copper concentrate

The invention discloses a method for smelting low-sulfur copper concentrate, relating to copper concentrate, in particular to a method for producing rough copper or rough copper alloy from low-sulfur copper sulfide concentrate or copper sulfide concentrate comprising a part of copper oxide. The method is characterized by comprising the following smelting processes of: mixing sulfur or pyrite into the copper concentrate; performing boiling oxidizing roasting to produce calcine; performing reduction smelting on the calcine through an ore-smelting electric furnace to obtain rough copper or rough copper alloy; treating flue gas produced during the boiling oxidizing roasting and smelting of the ore-smelting electric furnace through a waste heat boiler, electrical dust collection and cloth bag dust collection; and feeding the treated flue gas into an acid making system to produce sulfuric acid. By adopting the method, the copper sulfide concentrate with low sulfur content and high silicon content or the copper sulfide concentrate comprising a part of the copper oxide, which cannot be subjected to self-heating matte smelting, can be treated; and the method has the advantages of a short process flow, less investment and a short construction period and is suitable for building small-scale copper smelting enterprises at electric power-rich areas.
Owner:BEIJING GENERAL RES INST OF MINING & METALLURGY

Inner wall board joint treatment technology

InactiveCN101230593ASolve common problems in the applicationPrevent board seam through seamWallsBuilding insulationsFireproofingEngineering
A wallboard seam processing technic belongs to the technical field of inner wallboard processing of building. The processing method is realized by that: a flute arranged at one side of a wallboard is internally affixed with rubber sponge with a certain thickness, the two sides of the rubber sponge are smeared with polymer sand pulp, and then the rubber sponge is abutting-jointed with a tenon of the wallboard or the side or the pillar of the wallboard as well as is tightly squeezed by force, so as to lead the rubber sponge to have a certain decrement; after that, the two sides of the seam are filled with elastic sealing compounds with a certain thickness, finally, the two sides of the seam are affixed with an anticracking gridding adhesive tape. The material in the seam of wall in the wallboard seam processing technic adopts elastic material, so as to solve the problem that generally appears and is hard to be settled of straight joint of slab joint caused by structural distortion or walling material drying shrinkage; furthermore, the rubber sponge adopted in the middle of the slab joint is made of fire resistant heat insulating material and can prevent a heat channel from generating among the slab joints, thereby having certain fireproofing performance. The invention is applicable to the slab joint processing of most of the inner wallboards such as a GRC board, a plasterboard, a hollow slat, etc. at the present time.
Owner:SHANDONG LAIGANG CONSTR CO LTD

Rapid construction method for transverse partitioning and longitudinal sectioning of urban elevated steel box girder bridge

The invention discloses a rapid construction method for transverse partitioning and longitudinal sectioning of an urban elevated steel box girder bridge. The rapid construction method particularly comprises the following steps: firstly, determining longitudinal sectioning and transverse partitioning cutting parts, and then, determining longitudinal cutting parts of a steel box girder; transversely partitioning the box girder according to the number of box chambers of the steel box girder, wherein each box chamber serves as a partition; splicing a hoisting unit on a jig, assembling a bottom plate, a transverse diaphragm, a web and a top plate in sequence, and welding the structures; and finally, carrying out hoisting and welding on the site. The hoisting process is carried out from top to bottom in height, from two sides to middle span in longitudinal bridge direction, and from middle to two sides in transverse bridge direction. The rapid construction method disclosed by the invention is capable of reducing the on-site construction time to the maximum limit and reducing the influence on the urban environment; and by virtue of longitudinal sectioning and transverse partitioning, the requirement for the hoisting capacity of hoisting equipment can be reduced, the difficulty of transporting large-section box girders in a city is reduced, and thus the rapid construction method is more suitable for construction of the urban elevated steel box girder bridge.
Owner:ZHEJIANG UNIV

Organic salt drilling fluid applicable to extended-reach wells

The invention discloses an organic salt drilling fluid applicable to extended-reach wells.The organic salt drilling fluid comprises 1-4% of bentonite, 0.3-0.5% of sodium carbonate, 0.5-1% of sodium hydroxide, 0.3-1% of xanthan gum, 2-8% of filtrate reducer, 2-5% of nanometer plugging agent, 1-4% of plugging agent, 0.5-4% of lubricant, 40-60% of organic salt and 25-250% of inert weighting agent, wherein the nanometer plugging agent is formed by copolymerization of MAPOSS, N-isopropylacrylamide and acrylamide, the plugging agent is formed by copolymerization of N-isopropylacrylamide, acrylamide and N,N'-methylene diacrylamide, and the lubricant is formed by compounding of castor oil polyoxyethylene ether, polyethylene glycol and polyvinyl pyrrolidone.The organic salt drilling fluid applicable to the extended-reach wells has the advantages of excellent plugging performance, good lubricating property and rheological property and powerful rock debris carrying capability, thereby being particularly applicable to exploitation of the extended-reach wells.
Owner:BC P INC CHINA NAT PETROLEUM CORP +1

Enclosing type deepwater platform construction method based on condition of sand backfilling balance method

ActiveCN105220703AReduce soil pressure differenceReduce the bending momentFoundation engineeringSupporting systemSurface layer
The invention discloses an enclosing type deepwater platform construction method base on the condition of a sand backfilling balance method. The enclosing type deepwater platform construction method is characterized in that firstly, cofferdams of construction steel sheet piles are formed on the river bed surface, back covering concrete layers are formed in the cofferdams through underwater pouring, and sandy soil of which the height is greater than that of the back covering concrete layers of the outer sides of the cofferdams is sucked to the interior of the steel sheet cofferdams through dredging tubes so that height difference of sandy soil of the inner side of the steel sheet cofferdams and the outer side of the steel sheet cofferdams is reduced; water is extracted gradually in the steel sheet cofferdams and inner supports are installed sequentially, and temporarily stored sandy soil is hoisted out of the cofferdams so that surface layers of the back covering concrete layers are exposed; platform templates are arranged on the back covering concrete layers, and a platform template supporting system is formed by installing I-shaped steel between the steel sheet piles and the platform templates; and first layer platform concrete, concrete top beams and second layer platform concrete are poured in the platform templates in sequence, and sandy soil is backfilled between the steel sheet piles and the platform templates at the same time and the construction of platform concrete is completed. According to the enclosing type deepwater platform construction method, cofferdam platform is easy to construct on abrupt slope or deepwater sandy riverbed.
Owner:ANHUI HIGHWAY BRIDGE ENG CO LTD

Method for improving wear-resistant anti-corrosion property of coating of heating surface of boiler

The invention relates to a method for improving wear-resistant anti-corrosion property of a coating of a heating surface of a boiler. A shot blasting technology is adopted for carrying out shot blasting treatment on a metal coating or a metal ceramic coating for obtaining a compact coating, porosity is reduced, permeability of corrosive atmosphere is reduced, and bonding strength, corrosion resistance and wear resistance of the coating are improved. The method for improving the wear-resistant anti-corrosion property of the coating of the heating surface of the boiler comprises the following steps: ash removal is carried out on the heating surface of the boiler sprayed with the coating by adopting compressed gas, and the surface of the coating is maintained to be clean; steel shots are adopted for carrying out shot blasting pretreatment on the surface of the coating by utilizing a sand blasting machine, large weakly bonded particles caused by poor atomization effect in a surface spraying process are removed; shot blasting treatment is carried out on the surface of the coating by adopting the sand blasting machine, and compaction is carried out on the coating, and the method for improving the wear-resistant anti-corrosion property of the coating of the heating surface of the boiler has the characteristics that a technology is simple and performance is obviously improved. Compared with the traditional electric arc spraying coating, a metal coating or a metal ceramic coating treated by adopting the method provided by the invention has low porosity and high bonding strength, and corrosion prevention and wear-resisting properties of the coating are improved.
Owner:XIAN THERMAL POWER RES INST CO LTD

Arc heater water leakage fault diagnosis system based on atomic emission spectroscopy

The invention discloses an arc heater water leakage fault diagnosis system based on atomic emission spectroscopy. The air is heated by an arc heater and expanded and accelerated by an effuser to formhigh temperature air flow. The flow field spectrum formed by the arc heater is focused by a spectrometric compression film. The focused flow field spectrum is transmitted to a spectral measurement module through an optical fiber. The spectral intensity of the oxygen atomic characteristic spectrum and the spectral intensity of the background spectrum are measured by using the spectral measurement module and then the relative intensity is calculated. The relative intensity is compared with the intensity threshold by a data processing terminal, and the water leakage fault of the arc heater is judged according to the comparison result. When the judgment result indicates water leakage, power supply to the arc heater is disconnected. Rapid diagnosis of the low enthalpy arc heater water leakage fault can be realized so that safe operation of the heater can be guaranteed; and the operation state of the heater can also be monitored in real time so as to provide reference to analysis of the long-term operation stability.
Owner:CHINA ACAD OF AEROSPACE AERODYNAMICS

Fire retardant coating of super thin steel structure and preparation method thereof

The invention discloses a fire retardant coating of a super thin steel structure and a preparation method thereof. The fire retardant coating is prepared from the following raw materials in parts by weight: 30 to 40 parts of amino resin, 10 to 20 parts of megilp, 20 to 30 parts of APP (ammonium polyphosphate), 2 to 10 parts of titanium dioxide, 5 to 12 parts of melamine, 5 to 12 parts of pentaerythritol, 0.5 to 1.5 parts of bentonite, and 2 to 4 parts of chlorcosane. The related indexes of the fire retardant coating of a super thin steel structure meet the national standard, the toxic gas release does not exist in a work process, safety and environmental protection are realized, and the fire retardant coating can be widely used in various steel construction, two data of the surface dry time and the fire endurance thereof are superior to the national standard, the effect is obvious, and the great market value is achieved.
Owner:云南倍特消防科技有限公司

Production process of fabricated lightweight inner partition board

The invention relates to a production process of a fabricated lightweight inner partition board. The production process comprises the following steps: cleaning a die; coating and brushing die releasing oil; paving a bound reinforced cage and an embedded part in the die; pouring concrete, and vibrating the concrete; and performing surface finishing and die releasing maintenance after the concrete is fully vibrated; wherein the concrete comprises cement, silicon powder, ceramsite, crushed ceramics, glazed hollow bead, tackifier, a polycarboxylate superplasticizer and water. According to the production process, a lightweight material or physical bubbles are introduced into the above lightweight concrete, so that the volume weight of the lightweight board can be reduced to be 1000 to 1400kg / m<3>, and the intensity of the lightweight board is more than 8MPa; meanwhile, the concrete is outstanding in working capacity and applicable to construction; and in addition, various physical performance indexes of the concrete meet the lightweight board standard requirements.
Owner:安徽海龙建筑工业有限公司

Anti-sagging light gypsum for ceiling and preparation method of anti-sagging light gypsum

The invention relates to anti-sagging light gypsum for a ceiling. The light gypsum comprises the following raw materials in parts by mass: 100 parts of calcined gypsum, 25-35 parts of glass beads, 75-85 parts of water, 0.2-0.5 part of a thixotropic agent, 0.2-0.6 part of an adhesive, 0.2-.05 part of a water retaining agent, 0.3-0.9 part of a water reduction agent and 0.2-0.5 part of a retarder. The light gypsum is prepared by composite means of overall grain composition optimization, appropriate additive proportioning, and the like, related problems in construction procedures of heat preservation on floors of different families can be solved, and the light gypsum which is capable of preventing sagging and has high bonding strength can be prepared, so that the light gypsum is very applicable to ceiling construction, meanwhile, has excellent heat preservation performance, thus is capable of greatly reducing building operation energy consumption, and can be applied to industrial production.
Owner:CHONGQING JIANDA BUILDING MATERIAL

Management system for compound rainwater in residential area

The invention discloses a management system for compound rainwater in a residential area. The management system comprises a rainwater hopper (1), a rainwater filtering device (2), a rainwater processing device (3) and a storage clean water tank (7), wherein the rainwater hopper (1) is arranged on a roof and is used for collecting the roof rainwater; the rainwater processing device (3) comprises a cylindrical separating bin, a spiral settling pond (4) and an absorbing plate (5); the spiral settling pond (4) is arranged at the bottom in the separating bin; the absorbing plate (5) is arranged at the center in the separating bin; the rainwater filtering device (2) is communicated with the spiral settling pond (4); water after entering into the storage clean water tank (7) and being treated is communicated with a domestic water pool (9) through a water pump (8). The management system for compound rainwater in the residential area integrates the functions of collecting, purifying, storing and dispatching rainwater and using rainwater for sprinkling green belt. The system has the advantages that the device volume is not large, the cost is low, the address selection and management are easy and the problem of shortage of urban domestic and fire-protection water is effectively solved.
Owner:SHANGHAI JIANGJIAN IND CO LTD

Hydroelectric development ecological suitability evaluation method with water footprint taken into consideration

The invention discloses a hydroelectric development ecological suitability evaluation method with water footprint taken into consideration. The particularity of a hydroelectric development project are comprehensively considered, a water footprint index is introduced and combined with an original social and economic index, and a traditional ecological suitability evaluation index system is improved. The method overcomes the defects that the relation between water resource utilization and human consumption activities is not taken into consideration in a traditional evaluation method, the human consumption activities are reflected through the water footprint, and the relation between the water footprint and the human consumption activities is established; compared with the traditional ecological suitability evaluation method, the method has the advantages that an evaluation result is more comprehensive and reasonable, and the hydroelectric development potential of an area can be reflected more truly.
Owner:BEIJING NORMAL UNIVERSITY

Tank type paraboloid solar concentrating collector system and array thereof

The invention discloses a tank type paraboloid solar concentrating collector system and an array thereof and belongs to the field of solar heat collection systems. The collector comprises a solar heat collection system and a collector bracket structure, wherein the solar heat collection system and a condensing reflection regulating device are arranged on the collector bracket structure; and a hydraulic transmission system and a tracking control system are arranged in the middle of the collector bracket structure. According to the modular and array set of the collector, the concentrating efficiency and tracking precision are improved, so that the heat collection efficiency is improved, and the cost is reduced; and moreover, the tank type paraboloid solar concentrating collector system is simple in structure, low in investment cost, easy to popularize and particularly suitable for large-scale construction of tank type power stations.
Owner:HIMIN SOLAR

Coating for drinking water tube/container liners, preparation method and construction method

The invention provides a coating for drinking water tube / container liners, a preparation method and a construction method, which can solve the problems in the prior art, such as toxicity and low construction efficiency, etc. The coating of the invention contains no solvent, and all the pigments and auxiliaries pass the FDA approval. Through detection, the products pass the BS6920 standard absolutely and can be safely applied to the drinking water duct liners. Meanwhile, the coating of the invention features rapid curing rate, convenient and fast construction and thick one-time forming film, and is extremely suitable for large-scale drinking water duct construction.
Owner:青岛佳联化工新材料有限公司

Water-retaining and cooling pavement material and application thereof

The invention discloses a water-retaining and cooling pavement material and an application thereof. The water-retaining and cooling pavement material is prepared from expanded perlite powder, cement, sepiolite powder, quartz sand powder, water-absorbent resin and a water reducing agent in an appropriate mass ratio. The water-retaining and cooling pavement material is applied to surfacing, and porous asphalt mixture or a porous cement concrete material with the void ratio of 20-30% is combined, so that finishing strength and performance of the pavement material are improved, and the aim of lowering temperatures of a pavement and a pavement surface is achieved.
Owner:CHANGAN UNIV

Ultrathin weather-resistant fire retardant coating for steel structure and preparation technology of ultrathin weather-resistant fire retardant coating

The invention discloses an ultrathin weather-resistant fire retardant coating for a steel structure. The fire retardant coating comprises the following components: 24-30 parts of base resin, 17-23 parts of an intumescent flame retardant system, 8-15 parts of filler and pigment, 6-11 parts of auxiliaries, 17-22 parts of a solvent, 4-8 parts of modified nano-aluminum hydroxide and 1-3 parts of a plasticizer, wherein the intumescent system comprises components in parts by mass as follows: 8-10 parts of a dehydration catalyst, 5-7 parts of a charring agent and 2-4 parts of a foaming agent. The invention further designs a preparation technology of the ultrathin weather-resistant fire retardant coating for the steel structure. The preparation technology is simple, dense smoke and poison gas are not produced in the preparation process, and the prepared fire retardant coating has the advantages of environmental protection, ultrathin performance, weather resistance, fire retardance, durability, good fire retardant effect, low cost and good decoration performance.
Owner:JIANGSU XIN AN NEW MATERIALS TECH

Epoxy resin terrazzo mixing proportion

The invention relates to an epoxy resin terrazzo which is characterized by being prepared by evenly blending the following raw materials according to the specific weight: 6.0-6.5 kg / m<3> of epoxy resin, 1.2-1.3 kg / m<3> of curing agent, 0.5-1.0 kg / m<3> of flour, 100-160 kg / m<3> of industrial salt, 1320-1640 kg / m<3> of stones, 10-30 kg / m<3> quartz sand, 450-670 kg / m<3> glass, and 10-30 kg / m<3> of luminous powder. Compared with the prior art, the epoxy resin terrazzo has the advantages that the quality of terrace is obviously improved, and the construction process is more environment-friendly. The epoxy resin terrazzo has good application prospects at the places of supermarkets and the like which lay emphasis on the decoration effect.
Owner:ZHONGTIAN CONSTR GROUP

Self-locking U-shaped wire clamp

A self-locking U-shaped wire clamp comprises a clamping plate and at least two U-shaped clamps, wherein wire clamping parts are arranged at bending positions of the U-shaped clamps, two side rods are locking rods, at least two pairs of locking holes corresponding to the locking rods are formed in the clamping plate, the U-shaped clamps are in parallel, the locking rods respectively and perpendicularly penetrate through the locking holes in the clamping plate, non-return valve teeth are arranged on the locking rods, movable locking blocks are arranged at side edges of the locking holes, locking teeth matched with the non-return valve teeth are arranged on the locking blocks, and the other ends prop against locking springs. During operation, the clamping plate is attached onto one side of a porcelain disc, a cable is attached onto the other side of the porcelain disc, the self-locking U-shaped wire clamp is automatically locked after the U-shaped clamps are inserted into the clamping plate, so that the cable is locked on the porcelain disc and is not liable to loose; and when the self-locking U-shaped wire clamp is needed to be opened, only the locking springs are needed to be pressed to make the locking blocks retrieved, the U-shaped clamps can be freely taken out of the clamping plate, so that the cable is loosen, the self-locking U-shaped wire clamp is very convenient to operate and use and is particularly and suitably used for overhead cable construction.
Owner:广州勇艺邦电子科技有限公司

Sinking pipe soil withdrawing and cast-in-place rectangular supporting pile diaphragm wall and construction method thereof

The invention provides a sinking pipe soil withdrawing and cast-in-place rectangular supporting pile diaphragm wall. The sinking pipe soil withdrawing and cast-in-place rectangular supporting pile diaphragm wall is characterized in that a combined diaphragm wall is arranged at the outer side of a foundation pipe, wherein the combined diaphragm wall comprises a parallel, sinking pipe soil withdrawing and cast-in-place reinforced concrete supporting piles with rectangular sections and 1 to 4 rows of lapped cement mixing piles or cement jet grouting piles; the long side of the rectangular cross section of each supporting pile is 600 to 1200mm, the short side is 200 to 700mm, and each pile is 10 to 30m in length; each cement mixing pile or cement jet grouting pile is 500 to 1200mm in diameter and 10 to 25m in length. Compared with the existing general foundation pit supporting scheme, the method has the advantages that the construction process is simple; the quantity of used concrete and steel is reduced by 30%, the construction cost is reduced by 25%, the construction is free of slurry pollution, the noise is low, the environment is protected, the energy is saved, and the urban construction in coastal soft soil regions is met.
Owner:金国平 +1

Method for constructing special shaped deepwater cofferdams on steep rocky riverbeds

The invention discloses a method for constructing special shaped deepwater cofferdams on steep rocky riverbeds. The method is characterized by comprising the following steps: preferably selecting a prefabricated cofferdam wall, and arranging a grouting pipe which penetrates through the cofferdam wall up and down along the vertical direction in the cofferdam wall; then sinking the cofferdam wall on the riverbed, exposing the top end of the pipe above the water level, and using the grouting pipe to jet water to wash the riverbed; finally, filling the two sides of the cofferdam wall with broken stones, pouring cement mortar into the bottom of the cofferdam wall and the broken stones via the grouting pipe, draining the water in the cofferdam after the cement mortar and the broken stones are bonded and achieve the strength, and excavating a foundation pit in the absence of water, thus completing construction of bridge foundation. The method can be used for pretreating the riverbed without using equipment and is especially suitable for construction of deepwater cofferdams.
Owner:ANHUI HIGHWAY BRIDGE ENG CO LTD

Mortar-free self-embedded masonry structure system and building comprising system

InactiveCN104141358AIncreases construction speedLow costWallsShock proofingRebarStructure of the Earth
The invention provides a mortar-free self-embedded masonry structure system and a building comprising the system. The mortar-free self-embedded masonry structure system comprises a plurality of standard building blocks, a plurality of corner building blocks, a plurality of mold plate building blocks, a plurality of corner mold plate building blocks and a plurality of half building blocks, wherein the building blocks are connected in a mode that grooves are matched with flanges. Reinforced steel bars can be preset into the building blocks and concrete can be filled so as to improve the integrality and the anti-seismic property of a wall body. Compared with the prior art, the system changes the geometric construction of the building blocks, the building blocks can be embedded into and fixed with one another in the transverse direction, the vertical direction or both directions, and mortar is not used in the construction process. As the building blocks are embedded into and fixed with one another, the speed in building the wall body is increased; ring beams and cross beams can be cast for the mold plate building blocks, so that additional mold plates are avoided. Because of the comprehensive factors, compared with a conventional building, the building system is fast in construction speed, low in manufacturing cost, relatively low in requirement on special skill of workers and is particularly applicable to construction of villages and small towns with underdeveloped economics.
Owner:SHANGHAI JIAO TONG UNIV

Multi-layer aeration combined film body for performing heat preservation on building

The invention discloses a multi-layer aeration combined film body for performing heat preservation on a building. The combined film body comprises at least four layers of flexible films, wherein an inter-film layer is formed between every two adjacent layers of flexible films; aeration pipes connected with the flexible films are arranged in the inter-film layers; aeration side frames are formed by aeration pipes positioned at the peripheries of the inter-film layers; aeration ribs are formed by aeration pipes positioned between the aeration side frames; a space in each inter-film layer is separated into a plurality of communicated core part chambers by the aeration ribs and the aeration side frames which are positioned in the same inter-film layer; the aeration pipes are respectively communicated with an air tap; and the air tap is fixed on the combined film body. The combined film body is energy-saving and environment-friendly, has obvious heat-preservation and thermal-insulation effects, and the heat preservation performance of the building can be improved; and the combined film body is simple in manufacturing process and low in cost, and can be conveniently manufactured on a large scale, the building cost can be reduced, the manufacturing difficulty is reduced, and the combined film body is low-carbon, environment-friendly and renewable and can be recycled.
Owner:TIANJIN UNIV RES INST OF ARCHITECTRUAL DESIGN & URBAN PLANNING +1

Asphalt polyurethane waterproof coating suitable for cement base layer and preparation method and application of asphalt polyurethane waterproof coating

The invention discloses an asphalt polyurethane waterproof coating suitable for a cement base layer and a preparation method and application of the asphalt polyurethane waterproof coating. Raw materials of the asphalt polyurethane waterproof coating comprise asphalt, a compatilizer, a water removal agent, a catalyst, filler and a terminated polyurethane prepolymer, wherein the terminated polyurethane prepolymer is prepared through a reaction of a compound which is shown in a formula (I) and a polyurethane prepolymer, and the terminated polyurethane prepolymer contains no isocyanate-terminatedgroups; and the preparation method comprises the following steps: preparing the terminated polyurethane prepolymer firstly, and then mixing the terminated polyurethane prepolymer with the remaining raw materials so as to obtain the coating. The invention further discloses application of the waterproof coating in construction of an asphalt waterproof coiled material on the cement base layer. The waterproof coating has a safe preparation process, the coating can be coated directly on the cement base layer with high content of water when the coating is in use, and a reaction is performed betweenthe hydrolyzed coating with silicate in the cement, so that the bonding force on the wet base layer is improved; and excellent bonding strength can be formed between the coating and the asphalt waterproof coiled material, particularly a short time of surface drying and hard drying and moderate viscosity are achieved, the heating step before construction can be avoided basically, and on-site construction is facilitated.
Owner:JIANGSU CANLON BUILDING MATERIALS

System for implementing elastic permanent virtual connection and its method

The present invention discloses a system for implementing elastic permanent virtual connection and its method. The system includes successively-connected data layout module, elastic PVC module, signalling module and route module. It also provides the function of the above-mentioned every module, and said invented method is characterized by that the headend VPI and VCI values and terminal end VPI and VCI values are loaded into wideband high-layer information unit or wideband low-layer information unit, and the transparent transmission can be made in intermediate node so as to create the elastic permanent virtual connection.
Owner:ZTE CORP

Rotation V-type T-structure bridge pier and construction thereof

The invention relates to a rotation V-type T-structure bridge pier and a construction thereof. When an included angle formed between a line and an existing busy trunk line through vertical crossing is smaller, cross-hole arrangement of a bridge is more difficult. The bridge pier is constructed on one side of the existing trunk line, and comprises a pile foundation, a supporting platform, pier arms and a cover beam from bottom to top, wherein the supporting platform is divided into a lower rotary table and an upper rotary table from bottom to top; a rotary spherical hinge is arranged between the upper rotary table and the lower rotary table; during line operation skylight time, the upper rotary table and the structure rotate to a designed position by taking the rotary spherical hinge as the center, concrete on the outer side of the rotary spherical hinge is poured to form a solid stage, and the lower rotary table and the upper rotary table are fixedly connected together to complete construction. Due to the adoption of a rotation V-type T-structure scheme, the construction only needs to be performed on one side of the existing line, requirements for roads and construction sites on the other side are reduced, the conditions that houses on two sides of the existing line in an urban area are dense and are difficult to remove are facilitated, the removal cost is greatly reduced, and the construction period is guaranteed; meanwhile, due to the adoption of rotation construction, the influence on operation of the existing line is minimized.
Owner:CHINA RAILWAY FIRST SURVEY & DESIGN INST GRP

Assembled capping beam construction safety protection integrated platform

The assembled capping beam construction safety protection integrated platform comprises a construction platform body, a guardrail is arranged on the top face of the construction platform body, and longitudinal channel steel and transverse channel steel are arranged on the bottom face. The transverse channel steel is fixedly connected with first telescopic rods through vertical positioning steel bars, each first telescopic rod comprises a groove-shaped rod section and a flat rod section, and the four first telescopic rods form a rectangular telescopic frame body through fastening bolts; secondtelescopic rods are riveted to the bottom faces of the first telescopic rods through first telescopic supporting arms, and the four second telescopic rods form a rectangular telescopic frame through fastening bolts. The first telescopic rod is riveted with a first hoop through a second telescopic supporting arm, and the second telescopic rod is riveted with a second hoop through a third telescopicsupporting arm. The double-hoop supporting structure is constructed, the concept of traditional hoop method capping beam construction is overturned, platform bearing is converted into transverse external pressure on the hoops, the static friction force between the hoops and the pier is greatly improved, the bearing capacity and safety of the platform are improved, and the platform is suitable forcapping beam construction of high piers.
Owner:ANHUI HIGHWAY BRIDGE ENG CO LTD

Multifunctional logistics storage dispensing station

The invention relates to a multi-functional goods storage and distribution station, consisting at least one storehouse, wherein each storehouse consists at least of two stories. The central area of one story is the goods transfer area, wherein the front and the rear parts are both provided with platform parking stalls for loading and unloading; a truck stop platform is arranged between the platform parking stalls for loading and unloading and the goods transfer area; each of the four corners of the ground floor is provided with a goods elevator leading to higher stories; an operation room is arranged beside each goods elevator of the ground floor; two staircases are respectively arranged at the left and the right side of the goods transfer area; a passage is arranged in the goods transfer area; the stories except the ground floor are all arranged as storage areas, wherein a passage is arranged in each storage area. The invention multiplies the storage capacity, greatly enhances the working efficiency, and reduces the cost of all the storage activities. The invention provides a multi-story and multi-building storage structure, and the various stories and building are communicated with each other, thereby the invention is especially applicable to the construction of logistic centers.
Owner:王中信
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