（1 吉林建筑大学土木工程学院， 长春 130118；  2 济宁市建筑设计研究院， 济宁 272100）

［摘要］新型玉米秸秆重组集成材是将全新工艺生产的玉米秸秆重组材进行集成，形成的新型代木结构材料，具有强度高、耐腐蚀性强、来源广泛、防虫防潮、耐火性能好、环保节能等优点。主要通过试验对新型玉米秸秆重组材平行纹集成材的抗压力学性能进行研究，确定新型玉米秸秆集成材的顺纹、横纹抗压强度、弹性模量等力学指标。结果表明，新型玉米秸秆重组集成材抗压强度主要取决于重组材的强度； 顺纹立方体抗压强度约为横纹立方体抗压强度的两倍，横纹两个方向的抗压强度有差异，但差异不大。集成材的弹性模量略低于重组材，但力学性能指标均达到较好的集成木指标； 集成材顺纹受压破坏形式与横纹受压破坏形式差异较大。

［关键词］新型玉米秸秆重组材； 集成材； 抗压强度； 顺纹； 横纹

中图分类号：TU398-7文献标识码：A文章编号：1002-848X(2020)22-0137-04

Study on mechanical properties of new type corn straw reconstituted parallel-grain laminate integrated material

QIAN Yongmei1, DONG Yu1, TIAN Wei1, LIU Zunpeng2

(1 College of Civil Engineering, Jilin Jianzhu University, Changchun 130118，China; 2 Jining Institute of Architectural Design, Jining 272100, China)

Abstract:The new type  corn straw  integrated material made by reconstituted material，which has the advantages of high strength, strong corrosion resistance, wide source, insect-proof and moisture-proof, good fire resistance, environmental protection and energy saving，integrates the corn straw reconstituted material produced by the new technology  to form a new substitute wood structure material. The compression resistance properties of the new type corn straw  reconstituted  parallel-grain laminate were mainly by investigated through experiments, the mechanical indexes of the new type corn straw  integrated material such as compression strength and elastic modulus of parallel-grain and transverse-grain were determined. The results show that， the compression strength of the new corn straw integrated material made by reconstituted material, mainly depends on the strength of the reconstituted material itself, and the cube compression strength of the parallel-grain  is about twice that of the transverse-grain. The compression strength of the two directions of the transverse\|grain is different, but the difference is not significant. The elastic modulus of the integrated material is slightly lower than that of the reconstituted material, but the mechanical properties of two types material all reach a better index of the integrated wood, and the failure form of the integrated material of parallel-grain  has large differences from that of the transverse-grain.

Keywords:new corn straw reconstituted material; integrated material; compression strength; parallel-grain; transverse-grain

*吉林省科技厅重点科技研发项目（20180201066SF）。

作者简介：钱永梅，博士，教授，Email:654675316@qq.com；通信作者：田伟，博士，教授，Email：55356045@qq.com。