At present, with the increasing traffic volume, most of bridge must make corresponding calculation or reinforcement in order to assure the practical bearing capacity can satisfy the requirement.
目前，随着交通量的加大，国内存在的大量旧桥均需做相应的验算或者加固，以便确保旧桥的实际承载能力能满足荷载要求。
The manual digging pile is an economical and practical type of pile with the properties of high bearing capacity, great flexibility, low noise and no vibration of construction, etc.
人工挖孔灌注桩是一种经济实用的桩型，具有承载力高、灵活性大、施工噪音小、无振动等特点。
The analysis and comparison with other formula by calculation examples offer a more convenient and practical formula for normal section flexural load-bearing capacity.
通过实际算例同其他公式相比较分析，给出了一种实用方便的正截面极限承载力验算公式。
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