| 配筋钢纤维混凝土梁正截面抗裂计算 |
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| 引用本文： | 李凤兰,潘丽云.配筋钢纤维混凝土梁正截面抗裂计算[J].建筑技术开发,2003(6). |
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| 作者姓名： | 李凤兰 潘丽云 |
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| 作者单位： | 华北水利水电学院土木工程系 郑州450008
(李凤兰)，华北水利水电学院土木工程系 郑州450008(潘丽云) |
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| 基金项目： | 教育部国家重点实验室访问学者基金(LP990 2 )，河南省教委科学研究计划项目 (985 60 0 0 1) |
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| 摘 要： | 通过对试验结果的统计分析 ,研究了钢纤维类型和钢纤维含量特征值对钢筋钢纤维混凝土和预应力钢纤维混凝土梁正截面抗裂弯矩的影响规律 ,分析了钢纤维对混凝土抗拉强度的增强效应与钢纤维对梁正截面抗裂度的增强效应之间的相关关系。提出了配筋钢纤维混凝土梁正截面抗裂弯矩计算建议 ,供修订我国的《纤维混凝土结构技术规程》及工程设计与施工参考
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| 关 键 词： | 钢纤维混凝土 梁 正截面 抗裂弯矩 |
METHOD OF CALCULATIONG CRACKING STRENGTH OF STEEL FIBER REINFORCED CONCRETE BEAMS |
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| Li Feng\|lan,\ Pan Liyun,\.METHOD OF CALCULATIONG CRACKING STRENGTH OF STEEL FIBER REINFORCED CONCRETE BEAMS[J].Building Technique Development,2003(6). |
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| Authors: | Li Feng\|lan \ Pan Liyun \ |
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| Affiliation: | Li Feng\|lan \ Pan Liyun \ |
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| Abstract: | Based on the statistical analysis of test results,it is studyed that the effects of the types and the characteristic value of steel fiber on the cracking flexural moment of normal section of steel fiber reinforced and prestressed concrete beams.The identity between the steel fiber enhancing the tensile strength of concrete and the steel fiber enhancing the cracking flexural moment of normal section of reinforced concrete beams is analyzed.Propositions are provided for calculationg the cracking flexural moment of steel fiber reinforced and prestressed concrete beams.It can be used as a research basis for revising and enlarging the contents of the new Technical Specification for Fiber Reinforced Concrete Structures. |
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| Keywords: | Steel fiber reinforced concrete Beam Normal section Cracking flexural moment |
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