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網架加工之空間網架較普通網架有哪些優越性?

發布日期:2019-12-30 17:02:48  信息來源:本站原創

網架加工之空間網架較普通網架優越性:
  與傳統的平面結構相比,空間網架結構具有下列優點:

  1、由于網架結構桿件之間的相互作用,使其整體性好、空間剛度大、結構非常穩定。
  2、網架結構靠桿件的軸力傳遞載荷,材料強度得到充分利用,既節約鋼材,又減輕了自重?! ∫粋€好的網架設計,其用鋼量與同等條件下的鋼筋砼結構的含鋼量接近,這樣***可省去大量的砼,可減輕自重70-80%,與普通鋼結構相比,可節約鋼材20-50%。
  3、抗震性能好:由于網架結構自重輕,地震時產生的地震力***小,同時鋼材具有良好的延伸性,可吸收大量地震能量,網架空間剛度大,結構穩定不會倒塌,所以具備優良的抗震性能。
  4、網架結構高度小,可有效利用空間,普通鋼結構高跨比為1/8—1/10,而網架結構高跨比只有1/14—1/20,能降低建筑物的高度。
  5、建設速度快:網架結構的構件,其尺寸和形狀大量相同,可在工廠成批生產,且質量好、效率高、同時不與土建爭場地,因而現場工作量小,工期縮短。
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