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43results about How to "Enhance compressive and tensile strength" patented technology

Cement composition containing inorganic and organic fibers

InactiveUS20110042088A1Decrease skinImprove compressive and tensile strengthDrilling compositionSealing/packingCalcium carbonatePartial loss
A cement composition, comprises a mixture of a blend of materials including cement and / or micro cement, calcium carbonate, organic fibres, and inorganic fibres; and water; wherein the composition forms a cement that is at least partially soluble in acid and / or water. A method of treating a well, comprises pumping the composition into the well, allowing the cement to set, and treating the set cement so that it is partially to completely dissolved. In case of partial dissolution the residue in time is degradable. The inorganic fiber can be used in the traditional cementing in all stages of the well construction to defeat partial losses and improve the set properties of the final set cement.
Owner:SCHLUMBERGER TECH CORP

Well and water collection well

The invention discloses a well and a water collection well. The well comprises a bottom plate, a well chamber, a well cylinder adjustment block, a well ring and a well lid which are connected in sequence from bottom to top, wherein the lower parts of the bottom plate and the well chamber are integrally formed by pouring; and a water inlet is formed in a side wall of the well chamber. The water collection well comprises a sand sediment well and a water intake well which adopt the well, wherein a first water collection well chamber is connected between the sand sediment well and the water intake well; the sand sediment well is communicated with the first water collection well chamber through an upper water-passing hole; the first water collection well chamber is communicated with the water intake well through a lower water-passing hole and the water inlet of the water intake well; and vent holes are formed in the sand sediment well, the water intake well and the side walls at the upper part of the first water collection well chamber. The well and the water collection well are connected with a drainage pipeline of a drainage system, so that rainwater can be collected on a rainy day and urban water logging is avoided; and when the soil is droughty, the rainwater stored in the well can be pumped out for irrigating greenbelts to relieve the drought, so that wastes are turned into wealth and water resources are saved for cities.
Owner:日照市东兴城市配套设备有限公司

Downhole coiled tubing

The invention discloses downhole coiled tubing. The downhole coiled tubing comprises an inner core tube, a compression-resistance layer, a fixing layer, a compression-resistance and tensile-resistance layer and an outer sheath layer which are sequentially arranged in a sleeved mode and fixedly connected from inside to outside, wherein the compression-resistance layer is an interlocked steel-tape armoring framework, the fixing layer is a thermoplastic resin fixing layer, the compression-resistance and tensile-resistance layer is formed by winding a fiber body, and downhole power transmission cables and a downhole monitoring optical fiber are arranged in the compression-resistance and tensile-resistance layer. The downhole coiled tubing can improve the compression-resistance and tensile-resistance performance.
Owner:河北恒安泰油管有限公司

Fireproof and heat retaining plate

InactiveCN107119810AGood vibration and sound insulationStable structureHeat proofingFire proofingFoam concreteAdhesive cement
The invention discloses a fireproof and heat retaining plate. The fireproof and heat retaining plate comprises a bonding layer, a heat retaining layer, a fireproof layer, and a decoration layer. The bonding layer includes a cement base composed of cement mortar, and a waterproof adhesive cement layer is arranged on the cement base layer face. The materials of the heat retaining layer are polystyrene resin, heat retaining mortar, foam concrete and reinforcing bars. The fireproof layer is a cavity aluminum plate, and a cavity of the cavity aluminum plate is filled with fireproof cotton. The materials of the decoration layer are lightweight functional coatings of mortar, putty powder and the like. The lower surface of the heat retaining layer is bonded with the upper surface of the bonding layer, the upper surface of the heat retaining layer is bonded with the lower surface of the fireproof layer, and the upper surface of the fireproof layer is bonded with the lower surface of the decoration layer. The fireproof and heat retaining plate is firm in structure, high in compression resistance and tension resistance capabilities, attractive in appearance and good in decoration effect, has good fireproof and heat retaining properties, is safe and reliable in use, at the same time, due to the cavity structure of the fireproof layer, the fireproof and heat retaining plate has good noise insulating effect, and can insulate a certain quantity of noise.
Owner:合肥大源建筑科技有限公司

Field assembly type optical fiber connector

The invention relates to a field assembly type optical fiber connector. The end of a neck insert core is connected with a dark fiber and inserted into the head of a box shell after cementing, a plastic bolt is pressed in to fix the neck insert core with the box shell, a V-shaped slot aluminum sheet is arranged inside the box shell, a wire block is arranged at the tail of the box shell which is fixed with the wire block through a plastic bolt, a metal collet is sleeved on the box shell, a spring is sleeved on the head of the wire block, a spring seat is sleeved at the tail of the wire block and contacts with the spring, a wire fixing slot is inserted into the spring seat and contacts with the wire block, an inner shell is covered on the peripheries of the neck insert core, the box shell and the spring seat, a square cover is clamped into the spring seat so as to fix the skin of the optical fiber, a key is placed into the end of the inner shell, a dustproof cap is sleeved on the neck insert core tightly so as to protect the neck insert core, and the head of the inner shell is sleeved into a short shell. The connector is resistant to high and low temperatures, good in repeatability, high in crush resistance and tensile property, compact in structure, provided with an interlock structure and high in reliability.
Owner:JIANGSU UNIKIT OPTICAL TECH

High-flexibility polyvinyl chloride resin composition and high-flexibility towline cable

The invention belongs to the field of high molecular processing materials, and in particular relates to a high-flexibility polyvinyl chloride resin composition and a high-flexibility towline cable. The high-flexibility towline cable provided by the invention is prepared from the high-flexibility polyvinyl chloride resin composition; all components are reasonably proportioned and have a synergetic effect, so that the towline cable provided by the invention has the advantages of good flexibility, easiness for bending, bending resistance, rubbing resistance, strong compression resisting and tension resisting capabilities, oil dirt resistance and stable properties, and meets testing standards of the towline cable.
Owner:东莞市宏昱新材料有限公司

Carrying equipment provided with high-strength backpack bracket, and preparation technology of backpack bracket

The invention relates to backpack equipment with a high-strength knapsack bracket and a manufacturing process for the knapsack bracket, belonging to the technical field of knapsack brackets. The carrying equipment with high-strength knapsack bracket of the present invention comprises a knapsack bracket, a shoulder strap assembly module, a waist support assembly and a knapsack, the top of the knapsack bracket is detachably connected to the shoulder strap assembly module, and the bottom of the knapsack bracket is connected to the shoulder strap assembly module. The lumbar support assembly is detachably connected, and one side of the knapsack support is detachably connected to the knapsack. The manufacturing process of the knapsack support includes the following steps: mixing and melting, drawing and cooling, and injection molding. The carrying equipment with high-strength knapsack bracket of the present invention is ingeniously conceived and conforms to ergonomics. The weight-bearing center of the human body moves down to reduce fatigue. It is suitable for carrying a large number of items and walking quickly. The knapsack bracket has ultra-low resistance, high rigidity and strong stability. Advantages, at the same time, its high compressive and tensile properties, bending resistance and tensile strength.
Owner:QUANZHOU MAITEF TEXTILE TECH

Compression and tension resistant computer mouse material and preparation method thereof

The invention discloses a compression and tension resistant computer mouse material and a preparation method thereof. The compression and tension resistant computer mouse material comprises a matrix and a reinforcement, the matrix comprises ceramic powder, tungsten steel powder and glass fibers, the reinforcement comprises vinyl chloride, acrylate, magnesium oxide powder, calcium chloride powder, tin coated copper wires, iminodisuccinic acid, titanium dioxide nanopowder, and the compression and tension resistant computer mouse material concretely comprises, by weight, comprises 25-45 parts of ceramic powder, 15-30 parts of tungsten steel powder, 15-20 parts of glass fibers, 5-10 parts of vinyl chloride, 5-10 parts of acrylate, 2-8 parts of the magnesium oxide powder, 2-8 parts of the calcium chloride powder, 2-8 parts of tin coated copper wires, 0.1-0.5 parts of iminodisuccinic acid and 0.1-0.3 parts of the titanium dioxide nanopowder. The compression and tension resistant computer mouse material is optimized to substantially improve the compression and tension resistance of computer mice. The compressive strength of the compression and tension resistant computer mouse material prepared through the method is 20MPa or above, the tensile strength is 15MPa or above, and the bending strength is 6MPa or above.
Owner:XUCHANG UNIV

Carbon fiber reinforced composite cable for intelligent industrial robot and production process thereof

The invention discloses a carbon fiber reinforced composite cable for an intelligent industrial robot and a production process thereof. The carbon fiber reinforced composite cable comprises a rubber skeleton, wherein the rubber skeleton is in a hollow cross shape; a wire core 1 is arranged at the inner center of the rubber skeleton; a wire core 2 is uniformly distributed around the wire core 1; tapered sealing plates are arranged on the four sides of the rubber skeleton; the four corners of the rubber skeleton are provided with polyurethane elastic rods; the outer side of the rubber skeleton is successively coated with a cross-linked ethylene tetrafluoroethylene copolymer insulating layer, a carbon fiber wire and tinned steel wire mixed woven sleeve, a nano silicon waterproof glue fillinglayer, an aluminum alloy interlocking armored layer and a chlorosulfonated polyethylene outer sheath. A carbon fiber wire and a tinned steel wire mixed woven sleeve are melt into the carbon fiber wireand tinned steel wire mixed woven sleeve, thereby achieving stable structure, and being less likely to crack, good in bonding coverage performance, and less likely to fall. The four polyurethane elastic rods have a squeezing buffer effect, are highly elastic, and can improve the toughness of the cable.
Owner:ANHUI GUODIAN CABLE GRP

Electrically heated wooden floor

An electrically heated wooden floor, include a floor body, the two ends of the floor main body are respectively provided with matching tongue and tongue groove, a heating layer is arranged inside thefloor body, The heating layer is provided with a hollow groove, a plurality of vertical isolation ribs are arranged in the hollow groove, reinforcing ribs are arranged crosswise between adjacent isolation ribs, a threading pipe is arranged at the crosswise part of the reinforcing ribs, a carbon fiber heating wire is arranged in the threading pipe, the carbon fiber heating wire is centrally connected with an external temperature controller through a cold lead, and a power supply wire is connected on the temperature controller. The invention has the characteristics of good heating effect, convenient installation, maintenance and good comfort.
Owner:湖州春阁家居科技有限公司

Multifunctional fireproof communication cable and armor layer installation process thereof

The invention discloses a multifunctional fireproof communication cable and an armor layer installation process thereof. The cable comprises an insulating sheath, an armor layer located in the insulating sheath, a silicone rubber sleeve located in the armor layer, power cables, control wire cores, and a mineral insulating layer located in the silicone rubber sleeve and used for filling gaps, wherein the armor layer comprises a plurality of equally spaced steel rings which sleeve the silicon rubber sleeve in the axial direction of the silicon rubber sleeve, and a protective layer formed by a steel belt wrapped outside a steel sleeve; the space between every two adjacent steel rings is filled with a silicone rubber insulating layer; and the inner wall of the protective layer abuts against the outer walls of the steel rings. According to the scheme, the armor layer is provided with the steel rings and the steel belt in a wrapping mode; because of the existence of the steel belt, the anti-pressure capability is effectively improved; as the steel bet is wrapped and the steel rings are high in pressure resistance, the steel belt is not liable to stretch, and the overall tensile resistance of the cable is high, while steel belts of traditional cables which only comprise silicone rubber sleeves are liable to stretch and deform and low in tensile resistance due to radial deformation ofsilicone rubber sleeves.
Owner:武汉新天地电工科技有限公司

Steel structure outer wall self-thermal insulation system comprising SPB self-thermal insulation strip plates

The invention relates to a steel structure outer wall self-thermal insulation system comprising SPB self-thermal insulation strip plates, and solves the technical problems of the existing steel structure wall formed by self-thermal insulation blocks or self-thermal insulation plates and steel structure poles such as poor thermal insulation effect, poor fire-proof performance, low compressive strength and tensile strength, easy aging and short service life. The steel structure outer wall self-thermal insulation system comprises a steel structure pole, SPB light steel-mesh concrete self-thermal insulation outer wall strip plates are connected with two sides of the steel structure pole respectively, the SPB light steel-mesh concrete self-thermal insulation outer wall strip plate is a three-layer structure and comprises a SPB self-thermal insulation strip plate, a SPB self-thermal insulation strip plate of a first steel mesh frame and a SPB self-thermal insulation strip plate of a second steel mesh frame, wherein the SPB self-thermal insulation strip plate is the middle layer; a gap is present between the two SPB light steel-mesh concrete self-thermal insulation outer wall strip plates and provided with a foam concrete thermal insulation plate. The steel structure outer wall self-thermal insulation system can be widely applied in steel structure or framework building non-load-bearing outer walls, and also can be used as the self-thermal insulation wall materials, and furthermore the steel structure outer wall thermal insulation system can be formed.
Owner:SHAANXI DACHENG MUNICIPAL ENG CO LTD

Optical fiber ultra-high-temperature thermodetector based on colorimetric method

The invention discloses an optical fiber ultra-high-temperature thermodetector based on a colorimetric method. The optical fiber ultra-high-temperature thermodetector is characterized in that an optical fiber coupling lens couples infrared light radiated by a target to an armored energy transmission optical fiber for optical signal transmission, preliminary filtering is performed on the infrared light through a wide-band-pass optical filter, the infrared light waveband radiated by the target is limited, and then the infrared light enters a light splitting system, so that the purpose of equallydividing light into two paths is achieved; the two paths of light respectively pass through two optical filters with moderate central wavelength difference and then respectively reach a photoelectricdetector; and the photoelectric detector converts the optical signal into an electric signal, the electric signal is processed by a series of processes and finally processed by a lower computer, anda final temperature result is output and displayed on a display device. The optical fiber ultra-high temperature thermodetector based on the colorimetric method provided by the invention can realize atemperature test of 500 DEG C and 5000 DEG C, has the advantages of short response time, no contact, safety in use, long service life and the like, and has the characteristics of high sensitivity, large temperature measurement range and the like.
Owner:菲兹克光电(长春)有限公司

Cover film for grape cultivation

The invention relates to a cover film for grape cultivation and belongs to the technical field of grape cultivation. The cover film comprises a bubble film layer and an acting film adhered to the surface of the bubble film layer, the bubble film layer comprises at least one layer of bubble film, the acting film is an aluminum laminated film or PE film, and the bubble films comprise, by mass, 80-90 parts of linear low-density polyethylene, 10-20 parts of high-voltage PE10803, 20-30 parts of metallocene 1018, 6-10 parts of anti-aging master batch and 10-20 parts of flame retardant. The cover film has the advantages of light weight, high compressive strength and tensile strength, aging resistance and the like, can be pulled and curled randomly and is convenient to construct, and then cost is lowered; when the acting film is the aluminum laminated film, the cover film is used for covering after burying of grape vine, heat insulation effect is realized, and the temperature of the coverage area can be prevented from rising; when the acting film is the PE film, the cover film is used for covering greenhouses, sunlight can be absorbed to keep temperature at a high level, accumulated snow on the cover film can disappear quickly, and coverage, heat insulation and snow removal of the greenhouses are facilitated greatly.
Owner:HEBEI ACAD OF FORESTRY SCI

Polypropylene filler yarn and preparation method thereof

The invention discloses a polypropylene filler yarn. The polypropylene filler yarn is prepared by the following steps: mixing polypropylene resin, a filling master batch and a defoaming agent; carrying out hot extrusion and cutting, wherein the weight ratio of the polypropylene resin to the filling master batch is 1 to 1 or 1 to 3; the adding proportion of the defoaming agent is 1 / 25 of total weight of a mixture of the polypropylene resin and the filling master batch. According to the polypropylene filler yarn disclosed by the invention, the polypropylene resin and the filling master batch are used as raw materials; by means of the filling master batch, the toughness of the polypropylene filler yarn is improved, the tensile and compressive performances of the polypropylene filler yarn are improved, the tensile rate reaches 20 to 30 percent, and the tensile strength is 6 to 10N / mm; by adding the defoaming agent, the performance of the polypropylene filler yarn is favorably further maintained and the influence of bubbles on the performance of the polypropylene filler yarn in a production process is avoided.
Owner:中山市华子电缆有限公司

Sound insulation type A-grade fireproof polystyrene board and preparation method thereof

The invention discloses a sound insulation type A-grade fireproof polystyrene board and a preparation method thereof. The sound insulation type A-grade fireproof polystyrene board comprises the following components in parts by mass: 38 to 55 parts of a polystyrene raw material, 38 to 52 parts of fumed silica, 1 to 6 parts of nano-aerogel, 1 to 6 parts of graphene, 1 to 15 parts of white high-temperature ceramic glaze, 5 to 16 parts of gutta-percha, 0.5 to 2 parts of an anti-aging agent AW and 3 to 9 parts of modified sepiolite. Through formula adjustment, the modified polystyrene board which has a heat insulation function, achieves A-grade fire resistance and has an extremely strong sound insulation effect is produced; the compression resistance and tensile strength of the polystyrene board are enhanced, fire safety is improved, and energy conservation and emission reduction are realized; and the sound insulation type A-grade fireproof polystyrene board is low in cost, high in safety coefficient and wide in application range, and has good economic benefits and social benefits.
Owner:徐州飞云泡沫制品有限责任公司

Pressure-resistant and tensile PE pipe and production method thereof

The invention relates to a pressure-resistant and tensile PE pipe and a production method thereof. A medium-molecular weight high-density polyethylene is used as a polymer matrix, direct swelling graft copolymerization with a small molecule or a mixed monomer under the action of an initiator is carried out, the monomer is one or more of ethyl methacrylate, 4-isopropylphenylacetic acid, isopropyl methacrylate, and 1,4-diacetoxybutane, an auxiliary agent comprises one or more of an antioxidant, a light stabilizer, and a variable valence metal ion inhibitor, and a single-phase stable radical is formed. The PE pipe is extruded from a machine head by pre-plasticization compression, pipe demoulding pre-shaping is promoted by hot-dip galvanizing, vacuum sizing and cooling shaping are performed, and then traction cutting is performed, wear resistance and machining performance of the PE pipe are ensured, pressure-resistant and tensile properties are improved, environmental stress cracking is avoided, and the PE pipe is suitable of various drainage and pollution discharge, mining and gas pipelines.
Owner:扬中市长龙管业有限公司

Compression-resistant and tensile-resistant material for mouse and preparation method of compression-resistant and tensile-resistant material

InactiveCN108587101AImprove compressive and tensile propertiesSimple preparation processPolycarbonateZinc
The invention discloses a compression-resistant and tensile-resistant material for a mouse and a preparation method of the compression-resistant and tensile-resistant material. The material mainly comprises the following components in parts by weight: 22-42 parts of polycarbonate, 3-8 parts of composite reinforced fibers, 13-26 parts of fluorosilicon rubber, 2-8 parts of potassium hexatitanate whiskers, 3-6 parts of inorganic filler, 2-6 parts of zinc p-tert-butylbenzoate, 1-5 parts of antioxidant, 0.5-1.5 parts of accelerant and 0.3-0.8 part of compatilizer. The compression-resistant and tensile-resistant material for the mouse is optimized, so that the compression resistance and tensile resistance of the material for the mouse are remarkably improved. The compression-resistant and tensile-resistant material for the mouse is prepared by using the method disclosed by the invention has the tensile strength of 22MPa or above, bending strength 71.5MPa or above and the elongation at breakof 43.6% or above.
Owner:合肥酷睿网络科技有限公司

Cloth cover corrugated paperboard and production method thereof

The invention discloses a cloth cover corrugated paperboard and a production method thereof. The cloth cover corrugated paperboard comprises a corrugated paperboard, adhesion layers arranged on the edges of inner sides of the corrugated paperboard, cloth cover layers connected to the adhesion layers in an adhesion manner and locking pieces penetrating the corrugated paperboard, the adhesion layers and the cloth clover layers, wherein the corrugated paperboard comprises an upper corrugated paper layer, a middle corrugated paper layer arranged at the lower end of the upper corrugated paper layer and a lower corrugated paper layer arranged at the lower end of the middle corrugated paper layer; and each cloth cover layer comprises an upper cloth net layer and a lower cloth net layer. The cloth cover corrugated paperboard has the advantages of being convenient to use, simple in manufacture process, good in tensile strength, fracture resistance and compression resistance, environmentally friendly, durable and capable of meeting the packaging requirements of products of different sizes and being recycled many times.
Owner:义乌市宝安包装有限公司

Rubber and plastic concrete and preparation method thereof

The invention provides rubber and plastic concrete which comprises rubber and plastic granules, a steel fiber and a polypropylene fiber, wherein the polypropylene fiber is connected with the rubber granules. The invention further provides a preparation method of the rubber and plastic concrete. The preparation method comprises the following steps: firstly, heating the rubber and plastic granules till surface layers are molten; mixing and stirring the heated rubber and plastic granules with the polypropylene fiber so as to obtain rubber and plastic granules connected with the polypropylene fiber; further mixing the rubber and plastic granules connected with the polypropylene fiber with a cementing material and the steel fiber; putting coarse aggregate and fine aggregate into the mixture obtained in the former step, uniformly stirring, and continuously stirring with water. By adopting the preparation method of the rubber and plastic concrete, the surfaces of the rubber and plastic granules are molten through rapid heating, the polypropylene fiber is connected with the rubber and plastic granules through a molten rubber and plastic material, and the preparation process is simple and convenient to implement. As the polypropylene fiber is connected with the rubber and plastic granules, the strength and the toughness of the rubber and plastic concrete are improved, and the cracking resistance of the concrete is improved.
Owner:LINYI UNIVERSITY

Intumescent waterproof sealing material and construction method thereof

The invention relates to the field of waterproof sealing of buildings, and specifically relates to an intumescent waterproof sealing material. The intumescent waterproof sealing material is prepared from the following raw materials in parts by mass: 60-100 parts of geopolymer, 50-135 parts of water glass, 5-60 parts of sodium hydroxide, 10-40 parts of water, 2-6 parts of a foaming agent and 2-6 parts of a foam stabilizer. In addition, the invention further provides a construction method of the intumescent waterproof sealing material. The raw materials of the intumescent waterproof sealing material contain no toxic substances, are environmentally friendly and pollution-free, and the compressive and tensile properties can be improved; closed pores are formed on the intumescent waterproof sealing material through technologies of changing temperature in the foaming process of the geopolymer, performing high temperature sintering and the like so as to achieve the waterproof purpose; the waterproof sealing effect is good; no waterproof agent is added in a process; an environment-friendly effect is achieved; no trouble is brought to physical and psychological health and daily life of people.
Owner:SHAOYANG UNIV

Flame-retardant optical fiber composite cable

The invention discloses a flame-retardant optical fiber composite cable comprising a cable core. The cable core is formed by a plurality of cable wire cores, an optical cable wire core and a pluralityof filling ropes in a twisted mode. The multiple cable wire cores and the optical cable wire core are annularly arranged inside the cable core. The filling ropes are arranged at the center defined bythe cable wire cores and the optical cable wire core and the outer sides of the externally tangent positions of the adjacent cable wire cores or the optical cable wire core. The exterior of the cablecore is coated with a polyethylene inside liner, the polyethylene inside liner is sequentially coated with an outer shielding layer, a silica gel fireproof layer, a mica tape layer, a high-flame-retardance halogen-free low-smoke flame-retardant sheath layer and a water-blocking layer, and the gaps between the polyethylene inside liner and the cable wire cores, the gap between the polyethylene inside liner and the optical cable wire core, and the gaps between the polyethylene inside liner and the filling ropes are filled with insulation foaming layers. According to the flame-retardant opticalfiber composite cable, the advantages of all materials are fully utilized, so that the overall oil resistance, acid resistance and anticorrosion properties of the cable are good, the cost is saved, the compressive property and the tensile property of the cable are further improved, the overall flexible property of the cable is good, and the service life of the cable is greatly prolonged.
Owner:SHANDONG QUANXING YINQIAO OPTICAL & ELECTRIC CABLE SCI & TECH DEV

Firm-type A-grade fireproof polystyrene board and manufacturing method thereof

The invention discloses a firm-type A-grade fireproof polystyrene board and a manufacturing method thereof. The firm-type A-grade fireproof polystyrene board comprises a molding foam polystyrene boardand an HMW adsorbent used for modification; and the HMW adsorbent used for the modification is adsorbed in the molding foam polystyrene board. The firm-type A-grade fireproof polystyrene board provided by the invention adopts a bi-directional pressurization production process combining positive and negative pressure, the HMW adsorbent used for the modification enters gaps among molding foam polystyrene board particles to completely isolate and wrap the molding foam polystyrene board particles, so that each particle has excellent flame-retardant smoke-suppressing properties; a honeycomb-shapedstructure formed after the HMW adsorbent used for the modification is solidified with cement slurry has an excellent heat-insulation skeleton function, so that the compressive and tensile resistanceof the molding foam polystyrene board are enhanced; the polystyrene board effectively solves contradiction between heat preservation and fire resistance of a heat-preservation material used for outerwall bodies and a poor firmness defect, has outstanding heat-preservation fireproof effects and good firmness, and improves a safety factor of a heat-preservation system; and the method has a novel production process and high production efficiency.
Owner:赵俊儒

Manufacturing method of submarine airtight steel cable containing communication optical fiber

The invention discloses the manufacturing method of a submarine airtight steel cable containing a communication optical fiber. The method comprises the following steps of drawing a steel wire in a high strength mode; carrying out tempering processing; twisting a steel rope core strand; twisting the communication optical fiber and the steel rope core strand; wrapping and twisting multiple layers ofsteel wires on the external portion of the twisted communication optical fiber and steel rope core strand in a layered mode so as to form a cable, wherein an interlayer gap is filled with high density plastics and a cable paste is uniformly smeared on a surface; and then cladding an external protection layer. The method has advantages that the communication optical fiber and a high strength steelrope are combined to form the steel cable containing the communication optical fiber so that anti-compression and tensile resistance performance of the communication optical fiber can be enhanced andfracture and other phenomena can be avoided; and a high density rubber is filled in and multiple protection layers are coated so that the severe environment confrontation performance of the communication optical fiber is greatly increased.
Owner:河源迪奇亚工业技术有限公司

Sewage disposal well and sewage disposal well construction method

The invention discloses a sewage disposal well and a sewage disposal well construction method.The sewage disposal well is used for sewage disposal of a septic tank, the sewage disposal well comprises a shaft, the shaft comprises a high-density polyethylene double-wall corrugated pipe, the lower end of the high-density polyethylene double-wall corrugated pipe is used for being communicated with the septic tank, and the lower end of the high-density polyethylene double-wall corrugated pipe is used for being communicated with the septic tank; and a wellhead is arranged at the upper end of the high-density polyethylene double-wall corrugated pipe. According to the technical scheme, construction procedures of the sewage disposal well are reasonable, manpower and machinery are saved, the construction period is short, the construction progress is guaranteed, well completion quality is good, and leakage is not prone to occurring.
Owner:THE SECOND CONSTR ENG CO LTD CCSEB

Easily biodegradable foam concrete

The present invention provides an easily biodegradable foam concrete, comprising the following materials by weight: 853-947 parts of clay, 255-270 parts of gypsum, 170-175 parts of water, 65-74 parts of cement, 147-166 parts of river sand, 4.2-4.5 parts of a water reducer and 0.3-0.5 part of an animal foaming agent. The present invention provides the easily biodegradable foam concrete; the added foaming agent through physical foaming makes the foam more uniform; gypsum, clay and other non-water-resistant and acid gas-resistant hard gel material realizes high pressure and tensile resistance after coagulation of the building strength; and the concrete components have weak acid and water resistance and are easy to decompose and recover.
Owner:NANTONG KEDA BUILDING MATERIALS

A kind of construction site construction concrete steel structure and construction pouring method

The invention discloses a concrete-steel structure and pouring method for construction on a construction site. The concrete-steel structure comprises a foundation raft, and the section of the foundation raft is in a U shape and is splayed outwards gradually from bottom to top. A reinforced concrete base beam is further mounted at the top of the foundation raft. Columnar steel is mounted at the center of the foundation raft. A steel wire layer is arranged outside the columnar steel and is formed by fixedly hinging binding wires together. Extra-column stirrups are further arranged between the columnar steel and the steel wire layer. The reinforced concrete base beam and the columnar steel are connected through a through hole which is formed in the reinforced concrete base beam, and an anchor bolt is mounted in the through hole. A three-dimensional orthogonal structure is adopted, concrete is poured layer by layer during pouring, steel bar structures are connected in an overlap welding mode in the pouring process, and thus the probability that the interiors of the steel bar structures are hindered by concrete latex is further lowered; and all the components supplement one another, the crush resistance and the tension resistance of the whole structure are higher, and a good mechanical property is achieved.
Owner:龙元明筑科技有限责任公司

A connection component of bridge wet joint construction formwork

The invention provides a connection assembly of bridge wet joint construction formwork, which includes a base, bearing plates are fixedly connected to both sides of the top of the base, a screw is arranged between the bearing plates, and one end of the screw is connected to one of the two bearing plates through a rotating shaft. The other end passes through the side wall of the other bearing plate through the bearing sleeve, the two ends of the screw are screwed and connected to the nut seat, the bottom of the two nut seats are fixedly connected to the support plate, and the support plate is opposite The upper part of one side is connected with the upper splint through the rotation of the torsion spring rotating shaft, and the lower part is connected with the lower splint through the rotation of the torsion spring rotating shaft. The invention adjusts the position of the support plate, and then can realize the clamping work of the formwork of different specifications, and also solves the problem that the connection assembly in the prior art is not convenient for concrete pouring, and at the same time, it is time-consuming and laborious to fix the formwork , It is difficult to disassemble the formwork in the later stage, which is not conducive to rapid construction and other issues.
Owner:郑国兴
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