外露式钢筋混凝土压力管道的温度应力，常是某些这类管道在运用期内产生纵向贯通裂缝的重要原因之一。
Temperature Stress in open reinforced concrete pressure pipe usually is one of the important reasons why their longitudinal cracks-occur in use.
本文针对实际工程中钢筋混凝土梁出现贯通垂直裂缝的原因进行了分析。
The reasons for creating vertical joint crack on the reinforced concrete beam used in practical projects are analysed in this paper.
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