【摘要】：張家界大峽谷玻璃橋是一座主纜跨度430m的空間索面人行懸索橋。橋址位于喀斯特巖溶地貌區(qū)域,針對(duì)橋位處特殊的地形地貌和地質(zhì)情況,東側(cè)錨碇采用重力式錨,基礎(chǔ)為明挖擴(kuò)大基礎(chǔ)(東南側(cè)采用矩形擴(kuò)大基礎(chǔ),東北側(cè)采用階梯式擴(kuò)大基礎(chǔ));西側(cè)錨碇采用錨塞體截面線性變化的隧道式錨,錨塞體長(zhǎng)度為13.5m。橋塔塔柱均為圓環(huán)形鋼筋混凝土獨(dú)柱結(jié)構(gòu),每根塔柱均采用4根直徑1.2m的人工挖孔灌注樁基礎(chǔ)。橋墩采用樁柱式帶蓋梁的框架墩結(jié)構(gòu),每個(gè)墩柱下為直徑1.5m的挖孔灌注樁。
[Abstract]:Zhangjiajie Grand Canyon Glass Bridge is a space cable pedestrian suspension bridge with a span of 430m. The bridge site is located in the Karst geomorphological area. In view of the special topographic, geomorphological and geological conditions at the bridge site, the gravity anchor is used in the east Anchorage, which is based on open excavation and expansion foundation (rectangular expansion foundation is used in the southeast side). On the northeast side, the stepped expansion foundation is adopted); The west side Anchorage adopts tunnel anchor with linear variation of anchor plug section, and the length of anchor plug body is 13.5 m. The tower columns of the bridge are circular reinforced concrete single column structures, and four artificial excavated cast-in-place pile foundations with a diameter of 1.2 m are used in each tower column. The pier adopts pile-column frame pier structure with cover beam, and each pier column is an excavated cast-in-place pile with a diameter of 1.5 m.
【作者單位】： 中鐵大橋勘測(cè)設(shè)計(jì)院集團(tuán)有限公司;
【分類號(hào)】：U448.25

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