世界地质
世界地質
세계지질
WORLD GEOLOGY
2010年
1期
144-148,174
,共6页
胡忠君%佴磊%陈慧杰%陈忠
鬍忠君%佴磊%陳慧傑%陳忠
호충군%이뢰%진혜걸%진충
CFRP%高强混凝土柱%轴心受压%延性
CFRP%高彊混凝土柱%軸心受壓%延性
CFRP%고강혼응토주%축심수압%연성
CFRP%high-strength concrete column%axial compression%ductility
通过19根CFRP包裹高强混凝土柱的轴心受压试验,研究了截面形状和不同包裹量对包裹后的高强混凝土柱强度和变形的影响.试验表明:外包1～3层CFRP布的圆形试件承载力分别比未包裹试件提高了11%、21%、42%,纵向变形分别提高了23%、271%、330%.试验结果确定了CFRP约束高强混凝土强度和极限应变的计算模型.
通過19根CFRP包裹高彊混凝土柱的軸心受壓試驗,研究瞭截麵形狀和不同包裹量對包裹後的高彊混凝土柱彊度和變形的影響.試驗錶明:外包1～3層CFRP佈的圓形試件承載力分彆比未包裹試件提高瞭11%、21%、42%,縱嚮變形分彆提高瞭23%、271%、330%.試驗結果確定瞭CFRP約束高彊混凝土彊度和極限應變的計算模型.
통과19근CFRP포과고강혼응토주적축심수압시험,연구료절면형상화불동포과량대포과후적고강혼응토주강도화변형적영향.시험표명:외포1～3층CFRP포적원형시건승재력분별비미포과시건제고료11%、21%、42%,종향변형분별제고료23%、271%、330%.시험결과학정료CFRP약속고강혼응토강도화겁한응변적계산모형.
Through the axial compression test on 19 high-strength concrete columns wrapped with carbon fiber reinforced plastics (CFRP), the influence of section shape and different confinement content on the strength and ductility of wrapped high-strength concrete column has been studied. The experimental results indicate that the bearing capacity of circular specimens wrapped with 1～3 CFRP cloths was increased 11%, 21% and 42% compared with the circular specimens without CFRP, and vertical deformation was increased 23%, 271% and 330%, respectively. The calculation model of strength and ultimate strain of high-strength concrete wrapped with CFRP is made based on this results.
