Beijing-Tianjin Expressway East Section Lot 5
时间：2018-11-14 source：本站
Commencement time：2004-3-16
Completion time：2005-11-30
Introduction：The total length of the line in the project is 2.806Km, and
there are many farmland and fish ponds; there are the jet grouting pile, cement
mixing pile, backfill gravel and other foundation treatment construction
measures for the subgrade; the span of the north ring railway grand bridge is
1.7km. The upper beam structure is: the continuous box girder of cast-in-place
pre-stressed concrete has 28 spans in total, and the largest span is 44m; there
are 360 pieces of simply supported-continuous precast concrete small box beams,
and the span is 25m. 4×25 and 5×25 span layout is adopted for the whole bridge.
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