t0- fresh concrete setting time (h) Fuzhou scaffolding, according to the measured OK. When the lack of experimental data, Fuzhou scaffolding installation, can be t0 = 200 / (t + 15) is calculated (t is temperature ℃ concrete); Fuzhou 1.0 scaffolding rental companies take when 1- admixtures influence correction factor, not mixed with additives, mixed with a retarding effect of admixtures take 1.2; 2- correction factors affect concrete slump, when the slump in the 110 to 150, taking 1.15; V- concreting speed (m / h); 15. must improve rules and regulations strengthening governance norms, stop and put an end to illegal command and illegal operations. 16. It is important to improve the quality of self-protection awareness and application of protective measures and progress tube staff. 17. Engineer should find scaffolding stop indiscriminate use of the phenomenon: 1) was added to the staff and material be increased, causing overload; 2) to frame any demolition rod parts and Rachel; 3) arbitrarily deprived, reduce operational level scaffolding scaffold board Fuzhou wholesale, Fuzhou Mingguang scaffolding (certified), Fuzhou, Fuzhou Mingguang scaffolding provided by the steel frame construction projects Leasing Limited. Fuzhou Mingguang steel frame construction projects Leasing Co., Ltd. (www.fzmgjsj.com) is Fuzhou, a leader in site construction materials, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. In Fuzhou Mingguang scaffolding leadership with the staff warmly welcome all inquiries negotiations to create scaffolding Fuzhou Mingguang a better future.