ColorOrdinarily 15 colors in color chart, can be customized Coverage Area/Tile0.48m2 Sheet/SQ.M2.08 pieces CertificateISO9001, SGS, BV Our aim your satisfaction Raw material cost crazily increases all the time, Where to get high quality stone coated roofing til...
When we buy shingles, our roofing system is not over yet, we also need some accessories to assist the normal operation of the roofing system.With the help of these accessories, our roofing system can work better. Overboard system&trusses&gutter&Air outlet...
One of these methods is a prestressing technique of the structures. Generally, the prestressing technique’s principle involves introducing internal forces into the structure, which oppose those induced when external loads are applied. Structural systems with big sizes, such as trusses, beams, frames,...
nodes and structural assemblies with high statical indeterminacy, due to the axial strain of the structural elements, in the joints of the beam-type elements bending moments will occur as a function of the relative rotation of the trusses, an effect which has been proven to be a secondary one...