On May 12, 2008, a massive 8.0-magnitude earthquake occurred in Wenchuan, Sichuan, China, and the impact was enormous.
This year marks the 10th anniversary of the Wenchuan Earthquake. We have never forgotten the pain of passing away. The time has never changed for our friends and the country. In 512, China’s disaster prevention and reduction day, we should reflect on the moment we remember and pray. If the quality of the house is good enough, will the outcome be different?
Reinforcing steel is important in construction, and reinforcing steel connections are more important.
We have conducted continuous investigations, researches, experiments, and integrated user information feedback on the steel reinforcement methods currently used in the construction market. We found that there are several commonly used methods such as lap welding, flash welding, electroslag welding, pressure welding, and screw connections. In the connection method of reinforcing bars, the overlap method belongs to the elimination method, and the qualification rate of flash welding is the lowest, about one-third of which is unqualified; the electroslag welding times are low, especially after the transverse welding of electroslag welding, the qualification rate is very low, generally Can not do test tests, only the sleeve connection method can achieve 100% pass rate.
The tensile strength, yield strength and other indicators of high-strength seismic rebar sleeves are higher than those of ordinary hot-rolled ribbed rebars. They are suitable for the construction of large-scale public projects such as high-speed rail and wind power, and are new types of building materials actively promoted and applied by the country.
For earthquake-prone areas, high-strength, high-strength, uniform-elongation, high-strength, seismic-reinforced steel rebars are used. Government-invested public buildings and affordable housing were the first to adopt high-strength steel rebars. At the same time, the application of high-strength steel reinforcement sleeves to strengthen quality management, and the use of high-strength steel reinforcement as a housing project in urban and rural areas to carry out construction awards one of the conditions to encourage the use of high-strength steel rebar.
Established in 1998, Hebei YiDa Rebar Connection Technology Co., Ltd. is mainly engaged in the production and sales of structural steel reinforcement related products and equipment. It is a well-known enterprise in the Chinese construction steel reinforcement connection industry. The company’s main products are: various types and specifications of steel connection sleeves, and various types of steel connection processing equipment and related accessories, including steel rolling machine, steel pipe threader, rolling head, rolling wheel, peeling Rib blades, mechanical wrenches, torque wrenches, etc. The company has passed the ISO9001:2015 quality management system certification and obtained the British CARES steel connection sleeve TA1-B product technology certification, the full range of product performance in line with JGJ107-2016 “General technical specification for reinforced mechanical connection” and JGT163-2013 “rebar mechanical connection sleeve The requirements of the cartridge.
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Post time: May-12-2018