at mianyang, a big city close to jiangyou, police erected barricades on an approach road to a stadium sheltering some 20,000 refugees, to prevent its being clogged by volunteer vehicles.
the paper bridge transition section approach road subgrade settlement problem, through the analysis of its causes, the law of subgrade settlement and subgrade settlement governance measures.
the four-metre high, one-kilometre long barrier will be built on a port approach road starting this month and should be completed by the end of this year, officials said.