通过对一个已使用40多年的钢筋混凝土吊车梁碳纤维加固后的现场加载试验，分析了加固后吊车梁在吊车移动荷载作用下正截面和斜截面的应变分布规律及挠度变化规律。
Based on the field load tests of more than 40 years old a reinforced concrete crane girder after strengthening strengthened with CFRP, the strains and deflections under the moving loads were analyzed.
上模经热处理后，耐磨性好，上模配有斜楔式挠度补偿机构。
Super model is treated by heat and good wearproof function and set with twisting compensation structure.
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