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“江魏输油管线唐河过河段穿越工程”是中国石化集团公司的安全整改项目。该工程位于河南省唐河县城效乡境内,北距312国道约2公里,上游距宁西铁路唐河大桥2公里,距2号加热站以西1.7公里。河床宽度约135米,河岸宽度为164米,河水自北向南流,地势为西高东低,东岸距河床高约5米,西岸距河床6-8米,河水流量不稳定,因此对选择施工时间影响很大。此工程在穿越唐河段为U字型布置,河南油田油建公司在施工时管线管沟采用围堰的开挖技术。
“Jiangbei Pipeline crossing the river through the river project” is China Petrochemical Corporation’s safety rectification project. The project is located in Tanghe County, Henan Province, Township, Township, State Road 312 north of about 2 km away from the upper reaches of Ningxi Railway Tanghe Bridge 2 km, 1.7 km west of heating station No. 2. Riverbed width of about 135 meters, the river bank width of 164 meters, the river flows from north to south, the topography of the West High East low about 5 meters east of the riverbed, 6-8 meters away from the West Bank, the river flow instability, so the choice of construction Time has a huge impact. The project in the Tang River through the section of the U-shaped layout, Henan Oilfield Company in the construction of pipeline ditches using cofferdam excavation technology.