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1201篇 您的检索式:作者名="BAZANT"
    题名 作者 年代 出处 被引量
1帕劳国预应力连续箱梁长期下挠分析显示文摘帕劳共和国科罗尔岛-巴伦尔图阿普岛桥(简称KB桥)为主跨241 m的预应力混凝土箱梁,通车后KB桥发生长期下挠,严重影响其正常运营,最后垮塌,其教训值得反思。该桥于1977竣工,运营18年后挠度达到1.61 m,1996年对该桥进行了体外预应力加固,却在加固后3个月发生垮塌。挠度分析结果表明:传统的梁理论与三维空间分析相比,误差高达20%,且宽跨比越大,误差越大。三维有限元空间分析采用多种徐变收缩计算模型:美国ACI模型、日本JSCE模型、CEB-FIP模型和GL模型,其挠度计算值要比(18年后)实测值低50%~70%,预测的变形也与实测不符;预应力损失计算值为22%~24%,远低于实测值50%。唯一基于理论的B3模型,采用经验值参数计算得到预应力损失40%,18年后挠度计算值比实测值低42%。如果根据长期实测值调整输入参数,结果可与实际更符合。对于早期挠度及其预测,B3模型能够合理地考虑因截面厚度差异产生的收缩和干燥徐变的速率差异。此外,B3模型还可考虑温度差异和顶板可能发生的开裂。叶华文 王力武 曲浩博 Bazant Z P Yu Q Li G H 2017中外公路2017,37,5:5
2Size effect in Brazilian split-cylinder test 显示文摘Bazant Z Kazemi M Hssegawa T 1991ACI Materials Journal1991,88,3:2
3Continuum theoryfor strain softening显示文摘Bazant Z P Belytschko Chang TPT 1984Journal of the EngineeringMechanics Devision American Society of CivilEngineering1984,110,:2
4Determination of Fracture Energy,Process Zone Length and Brittleness Number from Size Effect with Application to Rock and Concrete显示文摘Bazant Z P Kazemi M T 1990International Journal of Fracture1990,44,2:2
5Variable-Notch One-Size Test Method for Fracture Energy and Process Zone Length显示文摘Tang T Bazant Z P Yang S Zollinger D G 1996Engineering Fracture Mechanics1996,55,3:2
6Zero-Brittleness Size Effect Method for One-Size Fracture Test of Concrete显示文摘Bazant Z P Li Z 1996Journal of Engineering Fracture Mechanics1996,122,5:2
7Size effect in compression fracture: splitting crack band propagation显示文摘Bazant Z P Xiang Y Y 1997Journal of Engineering Mechanics American Society of Civil Engineering1997,123,2:2
8Geometric damage tensor based on microplane model 显示文摘Carol I BaZant Z E Prat P C 1991Journal of Engineering Mechanics1991,117,10:1
9Scaling of structure failure显示文摘Bazant Z 1997Applied Mechanic Review1997,50,10:1
10Creep and shrinkage prediction model for analysis and design of concrete structures-model B3 显示文摘Bazant Z P Bweja S 2001ACI Concrete International ( ACI 23 )2001,,1:1
11Shear fracture tests of concrete显示文摘Bazant Z P Pfeiffer PA 1986Materials and Structures1986,19,:1
12Mathematical model for freeze-Thaw durability of concrete显示文摘Bazant Z P 1988Journal of the American Ceramic Society1988,,54:1
13Scaling of structure failure 显示文摘Bazant Z P Chen Erping 1997American Society of Mechanical Engineers1997,50,12:1
14Crack band theory for fracture of concrete 显示文摘Bazant Z P Oh B H 1983Motorol and Structure1983,16,:1
15Nonlinear Water Diffusion in Nonsaturated Concrete显示文摘Bazant Z P Najjar L J 1972Materal and Structure1972,5,1:1
16Statistical prediction of fracture parameters of concrete and implications for choice of testing standard显示文摘BAZANT Z P 2002Cement and Concrete Research2002,32,4:1
17Fracture mechanics of ASR in concretes with waste glass particles of different sizes显示文摘BAZANT Z P ZI G MEYER C 2000ASCE J Eng Merch2000,,3:1
18Size effect in diagonal shear failure: influence of aggregate size and stirrups显示文摘BAZANT Z P SUN H H 1987ACI Materials Journal1987,84,4:1
19Scaling of structure failure 显示文摘Bazant Z P Chen E P 1997Applied Mechanics Review1997,50,:1
20Rate type creep law of aging concrete based on maxwell chain 显示文摘Bazant Z P Wu S T 1974Materials and Structure ( RILEM Paris )1974,7,37:1
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