Interval from Xiao Cai Yuan station out of the station along the meter track railroad channel laying, side through the Xiao Cai Yuan overpass continues to lay along the meter track across the Pan Longjiang River, in the YDK9 + 400 ~ YDK9 + 570 section, the interval tunnel linear transition to overlap section from parallel, left and right line vertical. On the distance of 1.8m, in YDK9 + 834 ~ YDK9 + 883 section through the Beijing Road and finally arrived at the North Railway Station tunnel. The main stratum is rounded gravel, gravelly sand, silt and clay.
区间自小菜园站出站后沿米轨铁路通道敷设,侧穿小菜园立交桥后继续沿着米轨铺设穿越盘龙江,在YDK9+ 400~ YDK9+ 570段，区间隧道线性由并行过渡到重叠段,左右线垂向.上相距1.8m,在YDK9+ 834~ YDK9 + 883段穿越北京路最后抵达火车北站隧道。主要地层为圆砾、砾砂、粉砂、粘土层。
Guangzhou Central Urban Underground Comprehensive Tunnel Project
The main strata crossed by the section are strongly weathered sandstone, gravelly sandstone, strongly weathered muddy siltstone, medium weathered medium coarse sandstone, medium weathered sandy mudstone, mudstone, medium weathered muddy siltstone, slightly weathered medium coarse sandstone, gravelly sandstone, slightly weathered muddy siltstone.
Guangzhou Rail Transit Line 11
:After the interval line out of Hedong East Station, along the Fangcun Avenue from north to south, with 350m left curve, through the Guangzhou Shipyard, across the Pearl River, through the Nanshi Second Street residential housing into the Nanshi Road Station, out of the Nanshi Road Station, through the kindergarten of the paper, dormitory buildings, to the east through the industrial avenue and the Guangzhou-Foshan line into the Yanguang Station. The main strata crossed are medium-weathering muddy siltstone, slightly weathered medium-coarse sandstone and gravelly sandstone.
区间线路出鹤洞东站后，沿芳村大道由北往南前行，以350m左偏曲线，下穿广州造船厂，横穿珠江后，下穿南石二街居民住房后进入南石路站，出南石路站后，下穿广纸幼儿园、宿舍楼,往东下穿工业大道和广佛线进入燕岗站。主要穿越地层为中风化泥质粉砂岩、微风化中粗砂岩、含砾砂岩。
Guangzhou Rail Transit Line 13
The interval line is mainly laid along Zhongshan Road, side through the factory, residential buildings, gas station, military area, Guangzhou operation business headquarters, under the Hinzibao Bridge, A219 high bridge, BRT Lianxi Station, BRT Maogang Station and its footbridge and other buildings (structures). The main strata crossed by the interval are strong~weakly weathered sandstone, conglomerate sandstone, and strong~weakly weathered muddy siltstone.
区间线路主要沿中山大道铺设,侧穿厂房、住宅楼、加油站、军事区、广州运营事业总部,下穿显子宝桥、A219高桥、BRT莲溪站、BRT茅岗站及其人行天桥等建(构)筑物。区间主要穿越地层为强~弱风化砂岩、含砾砂岩，强~弱风化泥质粉砂岩。
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