海砂造粒粗骨料植生混凝土工程性能及植生性能研究OA
Research on engineering properties and vegetation performance of sea sand granulated coarse aggregate vegetated concrete
为突破沿海地区植生混凝土粗骨料资源匮乏的瓶颈,本文提出采用人工造粒技术,通过将细粒海砂重构为级配适宜的粗骨料,制备出海砂造粒粗骨料植生混凝土(Sea sand granulated coarse aggregate vegetated concrete,SGVC),系统研究了孔隙率对SGVC工程性能与植生性能的影响,结果表明:当水灰比为0.26、孔隙率为25%时,SGVC透水系数达到12.0 mm/s,28 d抗压强度为11.8 MPa.此时,碱茅草表现出最优适生性:28 d的植物覆盖率达到90%、植株高度为115 mm,42 d根系长度为146 mm.本研究为滨海护坡工程提供了可本地化应用的新型植生混凝土材料.
To address the scarcity of coarse aggregate resources for vegetated concrete in coastal regions,this paper proposes the use of artificial granulation technology to prepare sea sand granulated coarse aggregate vegetated con-crete(SGVC)by reconstituting fine-grained sea sand into appropriately graded coarse aggregates.The effects of po-rosity on both the engineering properties and vegetation performance of SGVC were systematically investigated.The results indicate that at a water-to-cement ratio of 0.26 and a porosity of 25%,the permeability coefficient of SGVC reaches 12.0 mm/s,while the 28d compressive strength attains 11.8 MPa.Under these conditions,Puccinellia dis-tans exhibited optimal growth performance:the 28d vegetation coverage rate reached 90%with a plant height of 115 mm,and the 42d root length reached 146mm.This study provides a new type of vegetated concrete material that can be locally sourced and applied in coastal slope protection projects.
王钰;黄卓杰;莫金德;饶聪
广西壮族自治区水利科学研究院 广西水工程材料与结构重点实验室,南宁 530023广西壮族自治区水利科学研究院 广西水工程材料与结构重点实验室,南宁 530023河海大学 材料科学与工程学院,江苏 常州 213200河海大学 材料科学与工程学院,江苏 常州 213200
建筑与水利
植生混凝土海砂造粒粗骨料植生性能工程性能
vegetated concretesea sand granulated coarse aggregatevegetation performanceengineering properties
《广西水利水电》 2026 (2)
1-6,26,7
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