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net span
    The net span of the opening is 8m. The covered rock mass over the opening is not good in quality, and it′s thickness is only 2~5m.
    地下洞室净跨8m,洞顶上作为地基的覆盖层岩质条件较差,灰岩与泥岩相间,厚度仅为2~5m,覆跨比0.25~0.62。
    The beam supporting the radial gate of the medium outlet of the Basie WRPP is a deep beam,with an average net span of 6.66m,a depth of 5.0m and span depth ratio of 1.33,being supported by the two piers at the ends.
    百色水利枢纽中孔闸门支撑梁平均净跨 6 6 6m ,梁高 5m ,跨高比 1 33 ,属于深梁范围。 该梁放置于两侧支墩上。
    The main bridge of Wusahn Yangtze River Bridge is a half-through steel pipe concrete double-ribbed arch bridge with net span of 460m. The arch rib steel pipe truss segments of the main bridge are installed by means of steel wire strand buckle cable after being hoisted in position by non-support cable.
    巫山长江大桥主桥为净跨 4 6 0m的钢管混凝土中承式双肋拱桥 ,主桥拱肋钢管桁架节段采用无支架缆索吊装就位后 ,由钢绞线扣索扣挂安装。
    Xieyangxi Bridge is a grand bridge on Changfu High Speed Road of No. 319 State Highway, with four-arch of net span up to 132 m on the top bridge.
    斜阳溪大桥是位于国道319线长涪高速公路的一座特大桥,主桥上部为净跨132m的四连拱。
    The Nanpu rainbow bridge is a concrete-filled steel tubular (CFST) tied rigid frame through arch bridge with a net span of 120m.
    南浦虹桥为净跨120m的下承式钢管混凝土刚架系杆拱。
    The Xisha River Bridge,381 m in total length,is a highway bridge on Chongqing-Hunan Expressway in the boundaries of Chongqing and is composed of two parts of main bridge and south approach spans,of which the main bridge is a half-through concrete-filled steel tube arch bridge with net span length 190 m.
    细沙河特大桥是渝湘高速公路重庆境内的一座公路桥梁,由南引桥、主桥两部分组成,全长381 m,其中主桥为净跨190 m中承式钢管混凝土拱。
 

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