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A platform for research: civil engineering, architecture and urbanism
High-strength recycled fine aggregate concrete
The invention discloses high-strength recycled fine aggregate concrete which comprises the following raw materials in parts by weight: 262-395 parts of Portland cement, 1071-1117 parts of natural coarse aggregate, 628-841 parts of recycled fine aggregate, 65-99 parts of mineral admixture, 2-7 parts of water reducing agent and 181-187 parts of mixing water, and a preparation method of the high-strength recycled fine aggregate concrete comprises the steps of weighing, premixing and stirring. According to the recycled fine aggregate concrete, natural fine aggregate is replaced by the recycled fine aggregate, so that the recycled fine aggregate concrete is green in principle, excellent in workability and excellent in mechanical property, conforms to the green and environment-friendly development concept, is high in comprehensive practicability, and solves the problem that in the prior art, only concrete (C15-C30) with low strength grade and poor workability can be prepared from the recycled fine aggregate generally; the application of the recycled fine aggregate concrete in practical engineering is greatly limited, and the method is worthy of popularization and application.
本发明公开了一种高强度再生细骨料混凝土，原材料包括262～395份硅酸盐水泥、1071～1117份天然粗骨料、628～841份再生细骨料、65～99份矿物掺合料、2～7份减水剂、181～187份拌合水，其制备方法包括称量、预混合和搅拌步骤。本申请的再生细骨料混凝土，以再生细骨料替代天然细骨料，原理绿色，工作性优良，力学性能优异，符合绿色环保的发展理念，综合实用性强，解决了现有技术中再生细骨料一般只能配制低强度等级且工作性较差的混凝土(C15～C30)，极大地限制了再生细骨料混凝土在实际工程中的应用的问题，值得推广应用。
High-strength recycled fine aggregate concrete
The invention discloses high-strength recycled fine aggregate concrete which comprises the following raw materials in parts by weight: 262-395 parts of Portland cement, 1071-1117 parts of natural coarse aggregate, 628-841 parts of recycled fine aggregate, 65-99 parts of mineral admixture, 2-7 parts of water reducing agent and 181-187 parts of mixing water, and a preparation method of the high-strength recycled fine aggregate concrete comprises the steps of weighing, premixing and stirring. According to the recycled fine aggregate concrete, natural fine aggregate is replaced by the recycled fine aggregate, so that the recycled fine aggregate concrete is green in principle, excellent in workability and excellent in mechanical property, conforms to the green and environment-friendly development concept, is high in comprehensive practicability, and solves the problem that in the prior art, only concrete (C15-C30) with low strength grade and poor workability can be prepared from the recycled fine aggregate generally; the application of the recycled fine aggregate concrete in practical engineering is greatly limited, and the method is worthy of popularization and application.
本发明公开了一种高强度再生细骨料混凝土，原材料包括262～395份硅酸盐水泥、1071～1117份天然粗骨料、628～841份再生细骨料、65～99份矿物掺合料、2～7份减水剂、181～187份拌合水，其制备方法包括称量、预混合和搅拌步骤。本申请的再生细骨料混凝土，以再生细骨料替代天然细骨料，原理绿色，工作性优良，力学性能优异，符合绿色环保的发展理念，综合实用性强，解决了现有技术中再生细骨料一般只能配制低强度等级且工作性较差的混凝土(C15～C30)，极大地限制了再生细骨料混凝土在实际工程中的应用的问题，值得推广应用。
High-strength recycled fine aggregate concrete
一种高强度再生细骨料混凝土
GAO JIANMING (author) / WANG YANG (author)
2023-08-08
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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