стальная конструкция здания

Steel truss save 20% steel compared with traditional span roof,if adopted light roof it will save 40%.It can even be compared with steel bar.Also it saves a large amount of stone concrete,thus reducing weight and the size of pillar and base. 1.truss is highly adaptable for steel truss of different spans and supporting: is most suitable for middle and small span,surrounding columns and trilateral,multi-dotted and four point supporting. 2.with strong toughness and fine stability,truss with span will not produce sprung arch when manufactured. 3.truss is aslo suitable for concentrated loading,partial overload,asymmetrial loadin.And is is less sensitive for the unsynchronized exaltation and unequal settlement of subgrade. 4.elegent and easy to construct,truss buildings can be installed at a time or by air group and slide. 5.big span truss framework is suitable for swimming pool,theatre,airport,grand hall and storage.