Design data structure: fastener type steel pipe scaffold fastener acceptance regulation

Design data structure: fastener type steel pipe scaffold fastener acceptance regulation
(1) the new fastener production license, the legal test unit test report and quality certificate. When the fastener quality is suspect, should according to the current national standard "steel pipe scaffold fasteners (GB15831) sampling test.
(2) the old fastener quality inspection should be done before use, have cracks, deformation, is strictly prohibited appear smooth silk bolt must be replaced.
(3) the new and old fasteners shall be antirust processing.


评论

发表评论

此博客中的热门博文

Iron and steel industry prices fell, the reason why?

图片
As we all know, often drop large iron and steel industry, the price is extremely unstable, so what is the cause of this phenomenon? Shinestar Steel Research Institute found through research, technology and the characteristics of the iron and steel industry, the cost structure resulted in the imbalance between supply and demand environment quantity adjustment special difficulties. Specifically, the characteristics of modern steel production technology determines that the industry has a strong scale effect.This means that the iron and steel enterprises need to spend a huge amount of money to buy equipment and equipment to build production systems, resulting in a higher proportion of fixed capital amortization of depreciation in the total cost.Shinestar Steel Group attaches great importance to R & D investment, its R & D production of carbon steel pipe, welded steel pipe, line pipe, galvanized pipe and other excellent products, the market was highly recognized. Under normal m...
阅读全文

What Construction Can Use the Frame Scaffolding to Build

图片
Frame scaffolding  does not need special maintenance, maintenance. The scaffolding components to eliminate the bolt connection, artifacts by touch upon, the whole surface of galvanized processing, anticorrosion, artifacts the beauty is generous. Frame scaffolding wide range of USES, can be used for construction of the following situations. 1, used for buildings, halls, Bridges, overpass, tunnel and other template supporting roof or fly die within the frame. Can be a temporary site dormitory, the warehouse or barrack. 2, the use of mobile scaffold accessories with simple roof truss. 3, used for erection of temporary balcony and stand. Frame scaffolding components series standardization, component neatly stacked, facilitate site information management, satisfies the requirement of civilized construction, construction places suitable for many applications. Install doors scaffold has certain specifications and requirements, in addition to want to be familiar with these specifications, ...
阅读全文