桥涵台背回填，由于其位置特殊，往往辗压不实，发生沉降是一种常见病害。
The fill back of the bridge and culvert, because of its especial position, has compressed not very close-grained sometimes. The sinking is a familiar disease.
针对公路工程中的桥涵结构物台背回填从材料选择、回填范围、回填顺序及回填工艺、质量控制等方面进行论述，并说明台背回填重要性。
This paper specified the material filling, range filling, sequence construct technique, and quality control on back - filling at abutment , and the importance of it.
桥涵的台背回填是一道至关重要的工序。
It is an important procedure of re-fill up at platform back in bridge opening.
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