新型棉花秸秆粗骨料的试制初探.pdfVIP

学兔兔 全 国中文核心期刊 斩癯建蟓 中国科技核心期刊 新型棉花秸秆粗骨料的试制初探 晋强，王宣，施少聪 (新疆农业大学 水利与土木工程学院，新疆 乌鲁木齐 830052) 摘要 ：根据新疆棉花秸秆利用的现状及间题，论述了棉花秸秆制作粗骨料的探索性思路。根据棉花秸秆的物理力学性能选取 合适的切割成型方式，并对棉花秸秆颗粒的抗压性能做了初步试验。结果表明：顺纹抗压状态下，棉花秸秆颗粒具有较好的韧性，荷 载在 O～2．5kN表现出弹性形变；横纹抗压状态下，变形呈现一定的线性关系，普遍可承受 1．4kN的荷载；在同等变形条件下顺纹秸 秆能够承受更大的荷载，在同等荷载条件下横纹秸秆能够承受更大的变形。 关键词：棉花秸秆：粗骨料；陶粒 中图分类号：TU528．041 文献标识码：A 文章编号：1001—702X(2015)l1-0008—03 On pre-testtrialproduction ofnew cotton stalks ofcoarseaggregate JIN Qiang，WANGXuan，SHIShaocong (CollegeofWaterConservancyandCivilEngineeringofXi~iangAgriculturalUniversity，Urumqi830052，Xinjiang，China) Abstract：Inaccordancewiththepresentsituationandproblemsofcottonstraw utilization inXinjiang，thispaperdiscussed on thepossibilityofmaking coarseaggregatewith cotton stalks．On thebaseofthephysicaland mechanicalpropertiesofcotton stalks，selectthe optimum cutway，and compressivepropertiesofcotton stalksparticleswere studied in thiswork．Theexperimen— tal resnsisshowed thatundercompression strength parallelto rgain，cotton stalksparticleshave bettertoughness，ifthe load isbe- tween0 and2．5kN，show elasticdeformation；andundercompression strengthperpendiculartorgain，itwasfoundoutthatdefor- mationswaslinearrelationship，generallycansubjectedto1．4kN load，underthesamedefomrationthecottonstalksofparticles praallelto rgain carry themore load，underthe same load，the cotton stalks of particlesperpendicularto rgain can bera more de- fomr ation． Key words：cottonstalks，coarseaggregate，ceramsite 浓烟污染环境。棉花秸秆还