BiologyEngineering

Experimental Investigation of Water Absorption and Tensile Properties of Rice Straw and Wheat Straw Used for Reinforced Material

Abstract

以稻草和麦秸秆加筋滨海盐溃土,可提高土的强度和抗变形能力.使用SH胶对稻草和麦秸秆进行防腐处理,完成了防腐前后的吸水实验和极限拉伸实验.对比实验结果得知:①天然和浸胶稻草的吸水率均比麦秸秆的大;②浸胶提高了稻草与麦秸秆的极限拉力和极限延伸率;③浸胶稻草的吸水率的降低率、极限延伸率的增长率和极限拉力的增长率均低于浸胶麦秸秆的;④天然、浸海水、浸胶、浸胶后再浸海水稻草的极限延伸率和极限拉力均高于相应麦秸秆的.稻草和麦秸秆均适宜作加筋材料使用.应用在加筋土中,稻草比麦秸秆具有更良好的抗拉性能及协调土的变形能力.在浸胶后的防腐效果及其增强抗拉性能上,麦秸秆优于稻草.

Citation format

QIAN, Shi; SHOUXI, Chai; LI, Wei. Experimental investigation of water absorption and tensile properties of rice straw and wheat straw used for reinforced material. Chinese Journal of Underground Space and Engineering, 2016, 12: 1471–1476.