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胶层厚度对预应力碳纤维板加固砼梁界面剪应力影响试验研究 被引量:4

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摘要 通过对9片砼梁进行预应力碳纤维板放张试验,分析了预应力放张后碳纤维板应变及界面剪应力大小和分布规律。结果表明,胶层厚度对碳纤维板放张后的板端界面剪应力大小有显著影响,界面剪应力随胶层厚度增加而减小,胶层厚度为4mm时界面剪应力达到最小值;厚度超过4mm时,界面剪应力随胶层厚度的增加而增加。
出处 《公路与汽运》 2018年第1期161-164,共4页 Highways & Automotive Applications
基金 长沙理工大学开放基金项目(15DK03)
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