期刊论文

Mechanical performance of LEM-SHCC road-bridge approach slab with micro cracking under vehicle load

中文

土木工程学报

1000-131X

2024

57

9

84-97

10.15951/j.tmgcxb.23060481

51904357:国家自然科学基金 2021JJ41085:湖南省自然科学基金项目 2020RC4049:湖南省科技创新计划 21B0270:湖南省教育厅优秀青年项目

本校为第一机构

为掌握微开裂LEM-SHCC路桥连接板在车辆荷载作用下的受力性能,首先进行混合两种PVA纤维长度(8mm和12mm)LEM-SHCC材料的基本材性(弹性模量、抗压强度及抗拉性能)试验,分析PVA纤维长度对LEM-SHCC...展开更多 为掌握微开裂LEM-SHCC路桥连接板在车辆荷载作用下的受力性能,首先进行混合两种PVA纤维长度(8mm和12mm)LEM-SHCC材料的基本材性(弹性模量、抗压强度及抗拉性能)试验,分析PVA纤维长度对LEM-SHCC材料性能的影响,其次制备混合两种PVA纤维长度的LEMSHCC路桥连接板,研究其在系统温度荷载作用下的吸纳变形能力、裂缝分布规律以及受力特点,随后在微开裂的LEM-SHCC路桥连接板最不利位置模拟车辆荷载作...

In order to understand the mechanical performance of LEM-SHCC road-bridge approach slab with micro cracking under vehicle load,the basic material properties including elastic modulus,compressive strength,and tensile performance of LEM-SHCC material fabricated by PVA wit...MORE In order to understand the mechanical performance of LEM-SHCC road-bridge approach slab with micro cracking under vehicle load,the basic material properties including elastic modulus,compressive strength,and tensile performance of LEM-SHCC material fabricated by PVA with two different fiber lengths of 8mm and 12mm were t...