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Problems to be paid attention to when construction of bridge guardrail

1, the construction of the fence should accurately grasp the information of various facilities, in particular, buried in the roadbed in the exact location of the various channels in the construction process does not allow any damage to the underground facilities. In case of underground communication pipeline, drain pipe or culvert depth is insufficient, should adjust the column position, or change the column fixed way.

2, when the column into the deep, not pull out the column correction, the need to pull all the rest, the basis of re-rammed into the ground, or adjust the column position.

3, the bridge guardrail should be installed flange, pay attention to the positioning of the flange and the top of the column elevation control.