由中铁大桥勘测设计院集团有限公司设计的张家界大峡谷玻璃桥,为世界最高最长玻璃桥,创造了世界桥粱史上“世界之最”。该桥跨越峡谷,主跨130m,宽6m,桥面距谷底约300m。该桥为空间索面地锚式悬索桥,主跨加劲梁长375m,梁高0.6m,为纵、横梁体系,钢纵梁内灌注混凝土,钢纵、横梁间露空部分铺设钢 Designed by the China Railway Bridge Survey and Design Institute Group Co., Ltd. Zhangjiajie Grand Canyon glass bridge, the world’s highest glass bridge, created the history of the world’s bridge “the world ”. The bridge across the Canyon, the main span 130m, width 6m, the bridge deck from the bottom of about 300m. The bridge is a space cable surface anchored suspension bridge, the main span stiffened beam length 375m, beam height 0.6m, vertical and horizontal beam system, pouring concrete into the steel longitudinal beam, the longitudinal section of steel, open beam between the open part of the laying of steel