33results about How to "Intensity exceeds" patented technology

The invention provides a bridge expansion joint structure which comprises a concrete layer, section steel, embedded bars and a packing layer, wherein, the concrete layer mainly comprises an elastic concrete layer and an epoxy resin concrete layer, wherein, the elastic concrete layer is positioned above the epoxy resin concrete layer, and the epoxy resin concrete layer is arranged above adjacent beam slabs or above adjacent beam slabs and abutment coping back walls. The construction technology of the bridge expansion joint structure is to pour concrete on the beam slabs or the abutment coping back walls, and comprises the following specific measures: coating a binder on the beam slabs or the abutment coping back walls; pouring epoxy resin concrete on the binder and curing for 1 hour; painting the binder on the cured epoxy resin concrete; and pouring elastic concrete on the binder painted on the epoxy resin concrete and curing for 2 hours. The bridge expansion joint structure and the construction technology provided by the invention have the beneficial effects of high strength, simple construction technology, short curing time and low construction cost.

The invention relates to the field of building components, in particular to a concrete prefabricated stair. The concrete prefabricated stair comprises a prefabricated stair body and stepping surfaces of the prefabricated stair body, and the stepping surfaces are granitic plaster surfaces. According to the concrete prefabricated stair, the bottoms of the two ends of the prefabricated stair body are provided with threaded holes for construction and installation respectively; the concrete prefabricated stair is high in strength after site construction and installation are conducted, an artificial chiseling chip-axe is not needed for the surface of the stair, later-period work can be directly conducted, and the construction period is shortened.

The invention provides a preparation process of a Ti alloy wire rope for marine engineering. The preparation process comprises the following steps: step 1, electing sponge Ti, sponge Zr, Al shots, anAl-Mo intermediate alloy and an Al-Nb intermediate alloy according to the composition amount, and uniformly mixing the above raw materials; step 2, preparing an electrode by extruding the mixed materials obtained in step 1, cutting off a riser after smelting, and preparing a polished ingot by the adoption of machining; step 3, carrying out wire material preparation by subjecting the polished ingotprepared in step 2 to two stages: hot drawing of a coarse wire and hot drawing at room temperature, so as to obtain alloy fine wires; and step 4, stranding and braiding the alloy fine wires obtainedin step 3 in the form of point contact, so as to obtain the Ti alloy wire rope finally. According to the preparation process provided by the invention, the Ti alloy wire rope is prepared by adopting the Ti alloy material; the corrosion-resistance performance of the Ti alloy wire rope is relatively strong; compared with a steel wire rope, the Ti alloy wire rope has the advantages that the corrosionproblem is solved and the equipment running safety is guaranteed; meanwhile, the maintenance and replacement cost is greatly reduced; and the Ti alloy wire rope is widely applicable to marine engineering and other corrosion environments.

The invention discloses a ceramic particle for water treatment and a preparation method thereof, belonging to the production field of water treatment filter material. The ceramic particle is made from granite powder, bentonite, coke powder, sawdust and pulverized coal in a certain proportion. Compared with the prior art, the ceramic particle has the characteristics of good water purifying effect, low production cost, little energy consumption, and so on, and can be widely applied to sewage treatment in various fields.

The invention relates to a lamp post made of a composite material. The lamp post comprises a post body and a post arm, wherein the lamp body is composed of an outer wall layer and an inner core layer, the outer wall layer is composed of continuous fiber reinforced resin and the inner core layer is composed of resin concrete; the post arm is composed of continuous fiber reinforced resin; the fiber is selected from at least one of glass fiber, carbon fiber or basalt fiber, and 30-95% fibers of the post body is in axial distribution; and the resin is unsaturated polyester resin, vinyl resin or ethoxyline resin, the resin concrete is composed of 15-30% of resins, 0-20% of short glass fibers and 50-80% of 10mu m-4mm inorganic particle paddings. The lamp post made of the composite material provided by the invention has the characteristics of beautiful appearance, never rustiness, long service life, low manufacturing cost, wide popularization value and the like, and can be used for replacing steel resources.

The invention discloses an integrated connector bicycle, electric vehicle and electric moped frame which comprises an upper pipe, a lower pipe, a middle pipe, a bottom fork and a vertical fork and further comprises an integrated head pipe connector, an integrated five-way connector, an integrated middle pipe connector and an integrated rear hook claw. One end of the upper pipe is sleeved with the head pipe joint, and the other end is sleeved with the middle pipe joint; one end of the lower pipe is sleeved with the head pipe joint, and the other end is sleeved with the five-way joint; the middle pipe penetrates through the middle pipe joint, and the lower end is sleeved with the five-way joint; one end of the bottom fork is sleeved with the five-way joint, and the other end is sleeved with the rear hook claw; the upper end of the vertical fork is sleeved with the middle pipe joint, and the lower end is sleeved with the rear claw; the sleeving positions are bonded and fixed through adhesives, and the middle pipe and the middle pipe connector are bonded and fixed through adhesives. Or an upper pipe joint sleeved on the middle pipe is additionally arranged on the middle pipe. The frame is free of welding, high in strength, easy and convenient to assemble, high in production efficiency and low in cost; and meanwhile, a foundation is laid for later automatic production.

The invention discloses an UHPC-SS (Ultra High Performance Concrete) composite pipeline and a manufacturing method thereof. The UHPC-SS composite pipeline consists of a stainless steel tube, wherein casting the outer side of the stainless steel with an UHPC concrete layer; a reinforced steel network is arranged in the UHPC concrete layer; the UHPC concrete layer is prepared from the following rawmaterials in percentage by mass: 25 to 30 percent of cement, 5 to 15 percent of silicon powder, 3.5 to 13.5 percent of quartz powder, 30 to 50 percent of fine sand being 1.6 to 3.7mm in particle size,3 to 9 percent of steel fiber being 8mm in length and 3.4 to 9.4 percent of water; the raw materials are stirred and cast on the outer surface of a stainless steel inner tube; compaction is performedby adopting a compaction platform after casting; then, hot water maintenance is performed on the UHPC-SS composite pipeline in water of 80 DEG C for 3 days. Three connection manners are adopted for pipeline joints. The inner tube is made of stainless steel, and the outer tube is made of UHPC, so that the problems concerned with tendency to corrosion, poor frost resistance, poor durability and high manufacturing cost in the existing pipelines for transporting crude oil, natural gas and dangerous chemicals are solved.

The invention relates to a high-strength anti-cracking anti-deformation plastic window. The plastic window comprises window frames, mullions, an opening fan and hardwares, The upper side, lower side,left side and right side of the outermost layer of the whole window are respectively provided with a window frame and the window frames are connected into an outer frame; the mullions are arranged inthe transverse middle part and the vertical middle part of the outer frame; the window frames, the mullions, the transverse middle part and the vertical middle part of the outer frame are connected into a whole through mullion connecting pieces; the opening fan is formed through plastic special profiles which are arranged in the upper sides, lower sides, left sides and right sides of the window frames and the mullions; and the opening fan is connected with the window frames through the hardwares. The plastic window has the beneficial effects that the existing machining device is not changed, the ingenious design is adopted, the problems that the plastic window fillet is cracked, the mullion connection is not firm and the whole window is deformed are thoroughly solved, the entrance steel lining inspection of the door and window products is realized, and the market promotion is facilitated.

The invention discloses a high-conductivity copper-magnesium alloy material. The high-conductivity copper-magnesium alloy material comprises, by weight percentage, 0.05-0.15% of Mg, 0.005-0.01% of P, 0.01-0.15% of CuY15 alloy, 0.09-0.15% of Ge, 0.32-0.37% of Sc, smaller than or equal to 0.06% of the sum of other elements serving as impurities, and the balance Cu. The high-conductivity copper-magnesium alloy material reaches the level of a copper-based silver alloy in the aspects of appearance, conductivity, softening-resisting temperature and the like, is superior to the copper-based silver alloy in the aspects of strength and elongation and has the beneficial effect that the cost of raw materials is obviously reduced.

The invention relates to a composite material taking a two-dimensional bio-based material as a framework unit and a processing technology of the composite material. The simple and efficient method for producing a novel material with high strength and high cost performance through hot pressing by using kraft paper and the like as a two-dimensional basic structure unit and a framework material for the first time, and by using natural lignin and a synthetic viscous polymer as binding materials, and the invention also a product thereof, the novel low-cost and high-performance composite material which takes a bio-based material as a main body and greatly reduces the use amount of resin or plastic is realized; the strength, the toughness and the internal binding force of the material greatly exceed those of natural materials, plastics, plastic fiber composite materials and high-density fiberboards, and a series of problems that fibers in plastic resin are difficult to disperse, the adding amount is small, and the strength reduction amplitude is large are solved.

The invention relates to a new method for processing wall space cracking. An electric drill is adopted to punch holes, and filling and repairing are carried out by adopting glass fiber reinforced plastics resin and glass fiber silk floss. The new method for processing the wall space cracking has the advantages that the connection strength is high, the method is economical and practical; the purchase of materials is convenient; the repairing method is simple, and common workers conveniently perform conventional construction; the waterproof function of wall space is enhanced; the surface layer seam is small, and the subsequent putty and wallpaper construction are not affected.

The present invention relates to a humanized promotor for human body cell to high-effectively express exogenous gene. In the concrete the invented promotor is from human thermal shock protein gene hsp 90 beta.

The invention belongs to the field of building materials, and relates to calcium magnesium silico-phosphate cement and a processing method of same. The calcium magnesium silico-phosphate cement includes the following raw materials: diammonium phosphate, magnesium oxide, fly ash, borax, potassium dihydrogen phosphate, and sodium hexametaphosphate. The maximum strength of the calcium magnesium silico-phosphate cement is 62.5R; due to addition of fly ash accounting for 26-29%, cost is reduced by 120-150 Yuan, coal is saved by 270-3200 kg and CO2 emission is reduced by 1960-2300 kg in production of 1 ton of the composite calcium magnesium silico-phosphate cement.