日本大胆欧美人术艺术

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 Hunan steel strand About us ABOUT US See more
Huiying iron and Steel Technology Co., Ltd. is a modern enterprise specializing in the production, processing and sales of finish rolled rebar, finish rolled rebar nut, finish rolled rebar backing plate, finish rolled rebar connector, prestressed bellows, clamp pressure acoustic pipe, spiral reinforcement and other highway, bridge, tunnel and building materials. The company is mainly engaged in finishing rolling rebar and its anchorage accessories. It is the designated processing agent of the finishing rolling rebar factory. It can cut the length arbitrarily, and produce the anchor such as the nut, base plate and connector of the finish rolling rebar. The stock is sufficient, the special processing is timely, and the logistics is convenient and fast. It can be directly sent to the provinces, cities and counties directly See more → Honor and qualification HONORARY CERTIFICATE See more Cable anchor
Finish rolled rebar
 Finish rolled rebar Finish rolled rebar is the abbreviation of rebar for prestressed concrete. It is a kind of straight bar with discontinuous external thread in special shape. The conventional fixed length of finish rolled rebar is 9 m and 12 m, which can be determined according to the needs of users. The left-handed finish rolled rebar is widely used in large-scale bridge and slope anchorage engineering of Expressway and high-speed railway. It has the advantages of simple connection and anchoring, strong adhesive force, safe and reliable tensioning and anchoring, convenient construction, and saves reinforcement, reduces the area and weight of components. Finish rolled ribbed bar is a kind of high strength, high dimensional precision and large diameter straight bar with discontinuous external thread on the whole bar. The reinforcement can be connected or anchored by connector or anchorage with internal thread at any section. Finish rolled ribbed bar is also called prestressed concrete rebar. Finish rolled ribbed bars can be classified from the following three aspects: application field, geometry, material and specification. It can be divided into five categories according to the non-destructive testing of construction structure. 2. Finish rolled rebar for geotechnical engineering monitoring: mainly used for dam, tunnel, landslide site detection and geotechnical engineering test. 3. Advanced finish rolling reinforced bar: it is mainly used to test the structural characteristics of coating, pipeline, metal, plate and other materials. 4. Finish rolled ribbed bar for laboratory materials: mainly used for geotechnical, cement, concrete, asphalt, rock and aggregate tests. 5. Highway bridge finish rolling reinforced bar: it is mainly used for on-site detection of highway, wharf, airport, railway and bridge. The reinforcement shall be painted at the end according to the strength level. The regulations are as follows: no painting for psb785, white for psb830, yellow for psb930 and red for psb1080. The steel bar can be rolled with strength grade, diameter and other marks on its surface, and the method of hanging label can also be adopted. According to the strength grade, the reinforcement is represented by psb785, psb830, psb930 and psb1080, and the diameter in mm is expressed in Arabic numerals. The label content is clear and clear, and the binding is firm.
Hunan steel strand
 Hunan steel strand Calculation of tension value of Hunan steel strand: the control tension force of Hunan steel strand prestressed tension construction design refers to the tension of Hunan steel strand in front of anchor clamp after prestressed tensioning. Therefore, in the calculation of the theoretical elongation of Hunan steel strand, the distance between the two anchorage points of Hunan steel strand should be taken as the calculated length of Hunan steel strand. However, the control tensioning force of Hunan steel strand is controlled at the jack tool anchor during the prestressed tensioning. Therefore, in order to control and calculate conveniently, the distance between the anchorage points at two ends of Hunan steel strand is generally used The working length of the upper Hunan steel strand in the tensioning jack is taken as the calculated length of the theoretical elongation of the prestressed tension of the Hunan steel strand. When Hunan steel strand is prestressed, Most of the exposed parts of Hunan steel strand are wrapped by anchors and jacks. The stretching elongation of Hunan steel strand can not be directly measured on Hunan steel strand. Therefore, only the piston stroke of tensioning jack can be used to calculate the stretching elongation of Hunan steel strand, but the anchor plug retraction in the whole process of Hunan steel strand tensioning should be reduced. The bearing capacity of Hunan steel strand should be 4-6 times of the total traction force. The manufacturing process is divided into single wire manufacturing and stranded wire manufacturing. The (cold) wire drawing technology is adopted in the production of single wire. According to the different materials of the products, it can be high carbon steel wire rod, stainless steel wire rod or medium and low carbon steel wire rod. If galvanizing is required, the single wire shall be electroplated or hot-dip plated. In the process of strand manufacturing, multiple steel wires are twisted into products by stranding machine. The prestressed Hunan steel strand needs to be stabilized continuously after forming, and the final product is generally finished on the I-shaped wheel or reelless. Classification: (1) classification according to the use: prestressed steel strand, (electric power) galvanized steel strand and stainless steel strand, of which the prestressed steel strand is coated with anti-corrosion grease or paraffin and coated with HDPE, and the prestressed steel strand is also made of galvanized or galvanized aluminum alloy steel wire. (2) According to the material characteristics: steel strand, aluminum clad steel strand and stainless steel strand. (3) According to the structure classification: the prestressed steel strand can be divided into 7 wires, 2 wires, 3 wires and 19 wires according to the number of steel wires. The most commonly used structure is 7 wires. The galvanized steel strand and aluminum clad steel strand for electric power are also divided into 2, 3, 7, 19, 37 structures according to the number of steel wires, and the most commonly used structure is 7-wire. (4) According to the surface coating classification: it can be divided into (smooth) steel strand, galvanized steel strand, epoxy coated steel strand, aluminum clad steel strand, copper plated steel strand, plastic clad steel strand, etc
Cable anchor
 Cable anchor Anchor cable anchorage means that when the main cable is anchored in the side hole of suspension bridge, the main cable should be divided into many strands of steel strands and anchored in the anchor ingot respectively. These steel bundles are called anchor cable anchorage. The anchor cable anchorage device is fixed on the slope surface through the outer end, and the other end is anchored in the stable rock mass within the sliding surface, which directly produces the anti sliding resistance on the sliding surface, increases the anti sliding friction resistance and makes the structural plane in the compressed state, so as to improve the integrity of the slope rock mass, fundamentally improve the mechanical properties of the rock mass and effectively control the rock mass The displacement promotes its stability and achieves the goal of regulating bedding, landslide, dangerous rock and dangerous rock. Anchor cable anchorage device refers to the permanent anchorage device used in prestressed concrete. It is an anchoring tool used in post tensioned structure or component to maintain the tension of prestressed reinforcement and transfer it to the internal concrete, also known as prestressed anchor cable anchorage. Application fields: Highway Bridge, railway bridge, urban overpass, urban light rail, high-rise building, water conservancy and hydropower dam, port wharf, rock slope protection and anchorage, foundation reinforcement, tunnel roof anchor roof, prestressed grid, subway, large buildings and buildings, warehouse workshop, tower building, heavy lifting, sliding film intermittent propulsion, bridge and tunnel jacking, large containers and ships, sleepers, and more Replacement of bridge bearings, bridge and building reinforcement, reinforcement engineering, antimagnetic and anti-corrosion engineering (fiber Anchorage), carbon fiber reinforcement, pretensioned beam field construction, external prestressing engineering, stay cable, suspension cable, etc. Finish rolled rebar anchor cable anchorage is a classification of prestressed anchorage. The anchor cable anchorage device of finish rolling includes finish rolling screw thread steel nut, finish rolling screw thread steel base plate and finish rolling screw thread steel connector. The pre-stressed high-strength reinforcement (finish rolled rebar) is anchored with finish rolled nut. It has reliable performance and can be repeatedly tensioned and relaxed. It is easy to operate. It can be used in the situation where the finish rolled rebar is short (such as vertical prestressed tendons and transverse prestressed tendons on bridge deck). The steel bar can be extended arbitrarily by using finish rolling connector. The applicable equipment is the through core Jack.