期刊论文

Study on Material Property Test and Mechanical Performance of Recombined Bamboo Sleepers on Open Bridge Deck

中文

铁道建筑

1003-1995

2023

63

07

24-29

10.3969/j.issn.1003-1995.2023.07.05

本校为其他机构

重组竹轨枕是一种以高强竹纤维束、基体组织和树脂胶体为主要成分，通过将竹纤维束干燥改性、施胶、组坯成型后热压而成的新型生物质轨枕。为探究重组竹轨枕在明桥面上替换普通轨枕材料的适用性与可行性，本文结合试验结果对比重组竹与常规轨枕材料力学指标，通过Abaqus软件对由5根重组竹轨枕组成的宏观轨排模型进行受力分析，研究截面尺寸与轨枕间距变化对轨道结构关键受力指标的影响。结果表明：重组竹材料强度指标均远优于木枕材料，具有较高的强重比，弹性模量介于木轨枕与混凝土轨枕之间；在满足明桥面使用要求的前提下，重组竹轨枕的应力储备有较大富余，截面尺寸可调整空间大。综合考虑轨...

Recombined Recombined bamboo sleeper is a new type of biomass sleeper,which is mainly composed of high-strength bamboo textile bundles,matrix structure and resin colloid,and is formed by drying and modifying bamboo textile bundles,sizing,forming preforms and hot pressin...MORE Recombined Recombined bamboo sleeper is a new type of biomass sleeper,which is mainly composed of high-strength bamboo textile bundles,matrix structure and resin colloid,and is formed by drying and modifying bamboo textile bundles,sizing,forming preforms and hot pressing.In order to explore the applicability and feasibil...