h无码在线观看,色AV五月,日本免费试看,国内美女内射

Many details need to be considered in the design of steel structure buildings, such as appropriate structural damping ratio, rigid column base design, beam column rigid connection design, floor design, etc. The details of steel structure architectura...

1. The waterproof materials selected for steel structure installation roof engineering shall meet the following requirements. The variety, model and specification of waterproof material shall be indicated on the drawing, and its main physical propert...

When it comes to the connection between steel buildings and rainwater, I believe that the first thing many people think of is that steel will rust when it meets with water; It's true that the traditional steel will soon rust after being exposed to th...

Advantages of fabricated steel structure 1. Good seismic performance 2. Light weight 3. High assembly 4. Low comprehensive cost 5. Rapid construction 6. Mature green technology Application of fabricated steel structure Because of the strong a...

1、 Basic concept of steel structure construction drawing 1. Construction drawing design of building and steel structure Preliminary design: according to the requirements of the design unit, compare multiple schemes, collect data, investigate and st...

1. Get the working diagram, don't model and calculate blindly. Conduct comprehensive analysis first, communicate with architectural designers, and fully understand various situations of the project (function, type selection, etc.).   2. Do a g...

Installation of column base   (1) Embedded parts (anchor bolt) problems: overall or layout deviation; elevation error; screw thread without protective measures. The bolt holes on the bottom plate of the steel column are directly out of alignme...

Guangzhou Steel Construction site quality management should be the appropriate technical standards, quality management system, quality control and inspection system, construction construction site due approval by the project technical director of des...

Seismic performance of Foshan steel structure project: the roofs of low rise villas are mostly sloping roofs, and the roof structure is basically triangular roof truss system with cold-formed steel members. After the structural board and gypsum board...

With the rapid development of workshop in our country, the application of steel structure is more and more widely. As we all know, the use of steel structure is very important to the construction of the factory. Therefore, in order to ensure the safe...

Steel structure engineering is a direct reflection of the current construction level of the construction industry. Therefore, whether from home or abroad, steel structure engineering has been rapid development, steel structure engineering is also con...

Steel structure engineering is a direct reflection of the current construction level of the construction industry. Therefore, whether from home or abroad, steel structure engineering has been rapid development, steel structure engineering is also con...