A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Preparation method of high-strength self-repairing pervious concrete
The invention relates to a preparation method of high-strength self-repairing pervious concrete, and belongs to the technical field of building materials. According to the invention, by adding modified polypropylene fiber and basalt fiber, high-strength self-repairing pervious concrete is prepared, wherein the polypropylene fiber and the basalt fiber can obviously improve the strength of the pervious concrete while the ductility, the toughness, the deformation modulus and the impact fatigue resistance of the pervious concrete are well improved; a self-repairing microcapsule for high-strength self-repairing pervious concrete is prepared by using sulphoaluminate cement as a main core material and ethyl cellulose as a wall material, wherein ethyl cellulose has good film-forming property and alkali resistance so as to make the capsule wall achieve good mechanical properties after being formed, and the sulphoaluminate cement is a low-carbon environment-friendly material, can form a compactmicrostructure after a hydration reaction, has high surface energy and good bonding performance and can be used for effectively repairing cracks in pervious concrete.
本发明涉及一种高强度自修复透水混凝土的制备方法，属于建筑材料技术领域。本发明通过添加改性聚丙烯纤维和玄武岩纤维，制备一种高强度自修复透水混凝土，聚丙烯纤维和玄武岩纤维能够使透水混凝土的强度得到显著的提高，同时对于透水混凝土的延性、韧性、变形模量和抗冲击疲劳性能都有很好的改善，本发明以硫铝酸盐水泥为主要芯材，以乙基纤维素为壁材，制备用于高强度自修复透水混凝土的自修复微胶囊，乙基纤维素具有很好的成膜特性和耐碱性，能使囊壁成型后具备有良好的机械性能，硫铝酸盐水泥是一种低碳环保的材料，它在水化反应之后能够形成密实的微观结构，该材料具有的很高表面能以及良好的粘结性能，可以有效修复透水混凝土中的裂缝。
Preparation method of high-strength self-repairing pervious concrete
The invention relates to a preparation method of high-strength self-repairing pervious concrete, and belongs to the technical field of building materials. According to the invention, by adding modified polypropylene fiber and basalt fiber, high-strength self-repairing pervious concrete is prepared, wherein the polypropylene fiber and the basalt fiber can obviously improve the strength of the pervious concrete while the ductility, the toughness, the deformation modulus and the impact fatigue resistance of the pervious concrete are well improved; a self-repairing microcapsule for high-strength self-repairing pervious concrete is prepared by using sulphoaluminate cement as a main core material and ethyl cellulose as a wall material, wherein ethyl cellulose has good film-forming property and alkali resistance so as to make the capsule wall achieve good mechanical properties after being formed, and the sulphoaluminate cement is a low-carbon environment-friendly material, can form a compactmicrostructure after a hydration reaction, has high surface energy and good bonding performance and can be used for effectively repairing cracks in pervious concrete.
本发明涉及一种高强度自修复透水混凝土的制备方法，属于建筑材料技术领域。本发明通过添加改性聚丙烯纤维和玄武岩纤维，制备一种高强度自修复透水混凝土，聚丙烯纤维和玄武岩纤维能够使透水混凝土的强度得到显著的提高，同时对于透水混凝土的延性、韧性、变形模量和抗冲击疲劳性能都有很好的改善，本发明以硫铝酸盐水泥为主要芯材，以乙基纤维素为壁材，制备用于高强度自修复透水混凝土的自修复微胶囊，乙基纤维素具有很好的成膜特性和耐碱性，能使囊壁成型后具备有良好的机械性能，硫铝酸盐水泥是一种低碳环保的材料，它在水化反应之后能够形成密实的微观结构，该材料具有的很高表面能以及良好的粘结性能，可以有效修复透水混凝土中的裂缝。
Preparation method of high-strength self-repairing pervious concrete
一种高强度自修复透水混凝土的制备方法
SHAO HAIJIANG (author) / ZHUANG TAO (author) / CHEN XIAOYUN (author) / CHEN TIANSHENG (author) / WANG WEI (author)
2020-09-15
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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