移动脚手架应符合哪些规定才达到安全使用标准移动脚手架中的脚手架一直是建筑行业的危险高发施工项目，脚手架倒塌、脚手高处坠落事故常有发生。脚手架施工是现场安全工作的重点。移动脚手架因技术、安全管理人员、施工操作人员对于脚手架施工知识的欠缺，脚…

昆明脚手架市场价格小幅下跌，市场成交一般。据了解，今日全国主要市场脚手架价格稳中偏弱，目前20mm普板均价3974元/吨，较上个交易日跌4元/吨。昆明市场，近期钢厂资源陆续到货， 截止到今天，据本网不完全统计，社库总量1.15万吨左右，较上周增加0.05万吨。成交方面，近期市场需求十分疲软，整体成交情况一般。另悉，临近月 底，脚手架厂家为回笼资金，多以价换量，因此，今日脚手架厂家报价小幅松动。整体来看，短期昆明市场雨水充足，需求疲软，预计后期昆明市场脚手架价格以震荡走弱为主。

Kunming Fangguan market prices fell slightly, the market turnover is general. It is understood that the price of square tube in the main market of China is stable and weak today. The average price of 20mm plate is 3974 yuan/ton, which is 4 yuan/ton lower than the last trading day. Kunming market, steel plant resources have recently arrived. Up to now, according to incomplete statistics of our network, the total amount of social storage is about 115,000 tons, an increase of 0.05 million tons compared with last week. In terms of transaction, the market demand is very weak in the near future, and the overall transaction situation is general. It is also noted that near the end of the month, the manufacturers in charge of Square Management will exchange more money for quantity at price. Therefore, the quotation of Square Management Manufacturers is slightly loosened today. Overall, the short-term market in Kunming has abundant rainwater and weak demand. It is expected that the price fluctuation will weaken in the latter part of the market. 脚手架价格方面：目前20mm柳钢、重钢、湘钢普板4220元/吨，低合金加150元/吨。

As for square pipe price, it is 4220 yuan per ton for 20mm Liugang, Chongqing Steel and Xiangtan Steel, and 150 yuan per ton for low alloy.

　　脚手架和矩形管冷弯成型时不同的特点冷弯脚手架、冷弯矩形管是通过外辊与管坯外壁的单向接触形成弯矩使带料弯折,冷弯会使弯折线产生压缩,压缩效应使弯折线纵向伸长,弯折处金属出现堆积变厚,这就是冷弯的压缩/增厚效应。Cold-formed square pipe and cold…