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柳州市壶西大桥(柳江第四大桥)已于1994年8月建成通车。该桥是一座独塔双索面预应力混凝土斜拉桥,主跨长120m,门形索塔,边梁中板的开口截面,全宽26m。根据从国外引进的技术信息,设计中首次在国内采用了分索防护、分索张拉和具有六边形的新型斜拉索。斜拉索分细索和粗索两种,分别由19股和37股钢绞线组成,用夹片式锚具固定,其优点是: (1)组成斜拉索的每根钢绞线(简称索股)均先单独地进行防护,再外包塑料管的双层防护措施,大大提高拉索的耐久性。
Liuzhou City, Hu Xi Bridge (Liujiang Fourth Bridge) was opened to traffic in August 1994. The bridge is a single tower double cable plane prestressed concrete cable-stayed bridge, the main span length 120m, portal pylon, side beams in the plate opening section, full width 26m. According to the technical information imported from abroad, the design for the first time in the country using the cable protection, cable tension and a new type of hexagonal stay cable. Cable stayed cable sub-cable and two kinds of crude cable, respectively, by 19 strands and 37 strands composed of fixed with clip anchors, the advantages are: (1) the composition of each cable stayed cable ( Referred to as cable stocks) are first separate protection, and then outsource the plastic double protective measures, greatly improving the durability of the cable.