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在不同温度下对预应力碳纤维(CFRP)板加固的桥梁进行观测;分析温差对预应力CFRP板的应力损失;通过大量的数据拟合了CFRP板应变差与温差的计算公式,并根据分析结果提出了有实际指导意义的建议。
At different temperatures, the bridge strengthened by prestressed carbon fiber (CFRP) plate was observed. The stress loss of prestressed CFRP plate by temperature difference was analyzed. The formula of strain difference and temperature difference of CFRP plate was fitted by a large amount of data. According to the analysis result Proposed practical guidance.