Changsha Wanjiali Road 220KV Power Tunnel
Wanjiali Road 220KV Power Tunnel Teli West Road Intersection-Torch Intersection section length 6601.9m, the main strata for the conglomerate, pebbles, gravel, silty clay, muddy siltstone, the tunnel is basically along the Wanjiali Elevated Direction, under the Wanjiali Elevated, Liuyang River, Changsha Metro Line 3, the complexity of the section line environment, the shield construction settlement control requirements are high, and the tunnel exists in a number of radii The tunnel has a number of continuous turns with radius of 150 meters.
The main stratum is medium weathering, strong weathering mud siltstone. The starting point from the Times Sunshine Avenue Station, along the Wanjiali Road northbound, need to pass through the Guitang River Bridge, Tianjiling Tunnel, Wanjiali rapid transformation of the viaduct, Yayuan gas station and other urban buildings, the construction is difficult.
The main strata are marl, carbonaceous mud-stone and sandstone, and it passes through the Civil Engineering College, Engineering Test Building, Software College and Graduate School of Hunan University.
The interval from the Dayun Station, along the Longgang Avenue below the laying, under the Baohe Shenzhen-Huizhou overpass, Metro Line 3 viaduct, Ailian District B and the new Tuen Mun Industrial Park, and then northeast into the Ruyi Road below the laying, under the Longgang River, Huizhou Salt Expressway, rows of back to the village houses into the mountain, out of the mountain under the Aomei Shijiazhuang Furniture Factory, Fuchang Electronic Science and Technology Company Limited, and finally along the Baohe Road, under the Xiamen-Shenzhen Railway to reach the Baohe Station. Finally, it will be laid along Baohe Road and pass through Xiamen-Shenzhen Railway to arrive at Baohe Station. The main strata crossed are powdery clay, fully weathered sandstone, strongly weathered sandstone, moderate weathered sandstone, slightly weathered sandstone, slightly weathered tuff, and upper soft and lower hard composite strata.
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.
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.
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.
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