Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Water-permeable concrete for garden road and preparation method of water-permeable concrete
The invention relates to water-permeable concrete for a garden road and a preparation method thereof, and belongs to the technical field of water-permeable concrete.The water-permeable concrete for the garden road is prepared from 100-250 parts of Portland cement, 300-500 parts of graded aggregate, 8-20 parts of a modified sepiolite reinforcing agent, 10-30 parts of modified lignin, 1-8 parts of modified polyvinyl alcohol fibers, 2-5 parts of a polycarboxylate superplasticizer and 60-100 parts of water; according to the prepared pervious concrete for the garden road, the 28-day compressive strength is 30.1-33.2 MPa, the 28-day breaking strength is 4.8-5.9 MPa, the porosity is 18.9-22.6%, the permeation coefficient is 20.4-22.9 mm/s, the compressive strength loss rate of 100 times of circulation in the aspect of freeze-thaw resistance is 0.9-1.4%, the compressive strength loss rate of 300 times of circulation is 1.5-2.3%, and the mass loss rate of wear resistance is 2.7-4.1%.
一种园林道路用透水性混凝土及其制备方法，属于透水混凝土技术领域，所述园林道路用透水性混凝土由100~250份硅酸盐水泥、300~500份级配集料、8~20份改性海泡石增强剂、10~30份改性木质素、1~8份改性聚乙烯醇纤维、2~5份聚羧酸减水剂、60~100份水组成；本发明制备的园林道路用透水性混凝土，28天抗压强度为30.1~33.2MPa，28天抗折强度为4.8~5.9MPa，孔隙率为18.9~22.6%，透水系数为20.4~22.9mm/s，抗冻融性能方面100次循环抗压强度损失率0.9~1.4%、300次循环抗压强度损失率1.5~2.3%，耐磨性的质量损耗率为2.7~4.1%。
Water-permeable concrete for garden road and preparation method of water-permeable concrete
The invention relates to water-permeable concrete for a garden road and a preparation method thereof, and belongs to the technical field of water-permeable concrete.The water-permeable concrete for the garden road is prepared from 100-250 parts of Portland cement, 300-500 parts of graded aggregate, 8-20 parts of a modified sepiolite reinforcing agent, 10-30 parts of modified lignin, 1-8 parts of modified polyvinyl alcohol fibers, 2-5 parts of a polycarboxylate superplasticizer and 60-100 parts of water; according to the prepared pervious concrete for the garden road, the 28-day compressive strength is 30.1-33.2 MPa, the 28-day breaking strength is 4.8-5.9 MPa, the porosity is 18.9-22.6%, the permeation coefficient is 20.4-22.9 mm/s, the compressive strength loss rate of 100 times of circulation in the aspect of freeze-thaw resistance is 0.9-1.4%, the compressive strength loss rate of 300 times of circulation is 1.5-2.3%, and the mass loss rate of wear resistance is 2.7-4.1%.
一种园林道路用透水性混凝土及其制备方法，属于透水混凝土技术领域，所述园林道路用透水性混凝土由100~250份硅酸盐水泥、300~500份级配集料、8~20份改性海泡石增强剂、10~30份改性木质素、1~8份改性聚乙烯醇纤维、2~5份聚羧酸减水剂、60~100份水组成；本发明制备的园林道路用透水性混凝土，28天抗压强度为30.1~33.2MPa，28天抗折强度为4.8~5.9MPa，孔隙率为18.9~22.6%，透水系数为20.4~22.9mm/s，抗冻融性能方面100次循环抗压强度损失率0.9~1.4%、300次循环抗压强度损失率1.5~2.3%，耐磨性的质量损耗率为2.7~4.1%。
Water-permeable concrete for garden road and preparation method of water-permeable concrete
一种园林道路用透水性混凝土及其制备方法
SUN FENG (Autor:in) / LYU MENG (Autor:in) / YUAN JIAXIANG (Autor:in) / WANG JING (Autor:in) / CHENG GANG (Autor:in) / GUO FEI (Autor:in) / ZHONG WENQIANG (Autor:in)
07.01.2025
Patent
Elektronische Ressource
Chinesisch
IPC:
C04B
Kalk
,
LIME
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