- 摘 要
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張大長 呂志濤
（東南大學(xué) 南京 210096）[提要] 對用預(yù)應(yīng)力框架柱中所配的縱筋和箍筋代替錨固區(qū)鋼筋網(wǎng)片的局部承壓進(jìn)行了12個(gè)試件的試驗(yàn)研究。試驗(yàn)結(jié)果表明，用柱中已配的縱筋和箍筋代替鋼筋網(wǎng)片進(jìn)行局部承壓是安全可靠且可行的，并且方便施工、提高效率。同時(shí)，對破壞形態(tài)和破壞機(jī)理進(jìn)行了理論分析，提出相應(yīng)的簡化計(jì)算公式和設(shè)計(jì)建議。
[關(guān)鍵詞] 預(yù)應(yīng)力框架 柱 縱筋 箍筋 網(wǎng)片 局部承壓The partially pressed tests of 12 RC members using longitudinal-steel and hoop-steel instead of reinforcing mat in anchoring area are made. The test result shows that it is feasible and on the safe side. What's more, it is greatly convenient for construction. At the same time, the failure pattern and mechanism are analysed. Besides the simplifying formulas and design suggestion are proposed.
Keywords: prestressed concrete frame; column; longitudinal steel; hoop steel; mat; partially pressed
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