|
|||||
|
|
| 河冰力学性能试验研究 | |
| 引用本文： | 于天来,袁正国,黄美兰.河冰力学性能试验研究[J].辽宁工程技术大学学报(自然科学版),2009,28(6). |
| 作者姓名： | 于天来 袁正国 黄美兰 |
| 作者单位： | 1. 东北林业大学,土木工程学院,黑龙江,哈尔滨,150040;北京交通大学,土木建筑工程学院,北京,100044 2. 东北林业大学,土木工程学院,黑龙江,哈尔滨,150040 3. 黑龙江省公路勘察设计院,总工程师室,黑龙江,哈尔滨,150080 |
| 基金项目： | 交通部西部交通建设科技基金资助项目，黑龙江省交通厅重点攻关基金资助项目，黑龙江省教育厅科技项目 |
| 摘 要： | 为了解决流冰对桥梁结构作用研究中河冰强度取值问题,对黑龙江省呼玛河河冰进行抗压强度和抗弯强度试验,结合国内现有河冰力学性能研究成果,采用统计分析方法,研究了河冰力学性能.得出各温度、各加载速率下,河冰抗压、抗弯强度取值,并研究了温度、应变速率与抗压强度和抗弯强度之间的关系,建立了冰温与抗压强度的数学模型;根据压缩试验、弯曲试验资料分别探讨了河冰弹性模量的取值,分析了温度、加载速率同弹性模量的关系,建立了冰温与弹性模量的数学模型.该成果为研究河冰与桥梁结构动力相互作用过程和流冰载荷计算方法奠定了基础. |
| 关 键 词： | 河冰 抗压强度 抗弯强度 弹性模量 |
Experimental study on mechanical behavior of river ice |
|
| YU Tianlai,YUAN Zhengguo,HUANG Meilan.Experimental study on mechanical behavior of river ice[J].Journal of Liaoning Technical University (Natural Science Edition),2009,28(6). | |
| Authors: | YU Tianlai YUAN Zhengguo HUANG Meilan |
| Institution: | YU Tianlai1,2,YUAN Zhengguo1,HUANG Meilan3 (1. School of Civil Engineering,Northeast Forestry University School,Harbin 150040,China,2. School of Civil Engineering and Architecture,Beijing Jiaotong University,Beijing 100044,3. Chief Engineer Office,Heilongjiang Highway Survey & Design Institute,Harbin 150080,China) |
| Abstract: | The mechanical behavior of river ice is one of the most important parameters in the study on the percussive force of drift ice against bridge.In order to study the strength of river ice,the compressive strength and flexural strength tests on Huma river ice in Heilongjiang Province were conducted and the results were analyzed using statistical methods.The compressive strength and flexural strength with different temperatures and different loading rates were obtained.The effect of temperature and strain rate ... |
| Keywords: | river ice compressive strength flexural strength elastic modulus |
| 本文献已被 CNKI 万方数据 等数据库收录！ | |