Jacking method of double l-shaped pipe curtain structure control frame bridge
A technology for structural control and frame-based bridges, which is applied to underwater structures, infrastructure engineering, bridges, etc., and can solve problems such as uneven operation of railway lines, large skylights, and entanglements
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[0033] In order to further illustrate the present invention, each step of the present invention is described in detail through the following examples.
[0034] The following is a construction embodiment of a 2-12m frame bridge of the present invention passing through the Shenyang-Dalian railway line (5-strand line):
[0035] The axis of the frame bridge is 41.50 meters long, the axis of the bridge is perpendicular to the railway line, and there are 5 railway lines at the jacking point. The net width of the frame bridge is 2-12m, the overall width of the vertical section is 26.6m, and the bridge height is 7.57m. The base of the frame bridge is located on the silty clay layer with a basic bearing capacity of 115kPa. The groundwater level is relatively high, and the arrangement of the drainage well is difficult. In addition, the structural axis is long, and it is easy to cause large piers and excessively large skylights during jacking. Therefore, before the jacking operation of ...
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