The metal corrugated pipe culverts have more advantage than normal concrete culvert especially in high - cold area.

特别是在寒区工程中,应用波纹管涵洞更显其优越性.

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The long - term strength development of the HPC is superior to the normal concrete.

高性能 混凝土的后期强度发展明显高于普通强度混凝土.

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The shrinkage of lower moisture content LWAC is always higher than that of normal concrete.

低含水率的轻骨料混凝土收缩始终大于普通混凝土.

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