A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Graded basalt fiber-based high-performance concrete and preparation method thereof
The invention discloses graded basalt fiber-based high-performance concrete which is prepared from the following components in parts by mass: 297 to 306 parts of Portland cement, 42 to 87 parts of fly ash, 42 to 87 parts of silica fume, 65 to 79 parts of quartz powder, 348 to 370 parts of quartz sand and 8 to 9 parts of a water reducing agent. 96 to 119 parts of water; 22 to 23 parts of basalt fiber. The invention also discloses a preparation method of the graded basalt fiber-based high-performance concrete. The preparation method comprises the following steps: step 1, carrying out dry stirring and slow stirring on the cementing material for 120 seconds; 2, adding a water reducing agent, and slowly stirring for 30 seconds; 3, adding water, and slowly stirring for 120 seconds; 4, adding the quartz powder and the quartz sand, slowly stirring for 60 seconds, and then quickly stirring for 120 seconds; and 5, adding fibers, slowly stirring for 60 seconds, and quickly stirring for 120 seconds. The basalt fiber is used for replacing polyvinyl alcohol fiber, the cost is saved, meanwhile, through the hybrid fiber, the overall performance of the ultra-high performance concrete is improved, and the ultra-high performance concrete has good social, economic and environmental benefits.
本发明公开了一种级配玄武岩纤维基高性能混凝土，以质量份数包括：297至306份的硅酸盐水泥，42至87份的粉煤灰，42至87份的硅灰，65至79份的石英粉，348至370份的石英砂，8至9份的减水剂；96至119份的水，22至23份的玄武岩纤维。本发明还公开该级配玄武岩纤维基高性能混凝土的制备方法，包括以下步骤：步骤一、胶凝材料干拌慢搅120 S；步骤二、加减水剂慢搅30 S；步骤三、加水慢搅120 S；步骤四、加石英粉与石英砂慢搅60 S，再快搅120 S；步骤五、加纤维慢搅60 S，再快搅120 S。该发明不仅利用了玄武岩纤维替代聚乙烯醇纤维，节约了成本，同时通过混杂纤维，提高了超高性能混凝土的整体性能，具有良好的社会、经济和环境效益。
Graded basalt fiber-based high-performance concrete and preparation method thereof
The invention discloses graded basalt fiber-based high-performance concrete which is prepared from the following components in parts by mass: 297 to 306 parts of Portland cement, 42 to 87 parts of fly ash, 42 to 87 parts of silica fume, 65 to 79 parts of quartz powder, 348 to 370 parts of quartz sand and 8 to 9 parts of a water reducing agent. 96 to 119 parts of water; 22 to 23 parts of basalt fiber. The invention also discloses a preparation method of the graded basalt fiber-based high-performance concrete. The preparation method comprises the following steps: step 1, carrying out dry stirring and slow stirring on the cementing material for 120 seconds; 2, adding a water reducing agent, and slowly stirring for 30 seconds; 3, adding water, and slowly stirring for 120 seconds; 4, adding the quartz powder and the quartz sand, slowly stirring for 60 seconds, and then quickly stirring for 120 seconds; and 5, adding fibers, slowly stirring for 60 seconds, and quickly stirring for 120 seconds. The basalt fiber is used for replacing polyvinyl alcohol fiber, the cost is saved, meanwhile, through the hybrid fiber, the overall performance of the ultra-high performance concrete is improved, and the ultra-high performance concrete has good social, economic and environmental benefits.
本发明公开了一种级配玄武岩纤维基高性能混凝土，以质量份数包括：297至306份的硅酸盐水泥，42至87份的粉煤灰，42至87份的硅灰，65至79份的石英粉，348至370份的石英砂，8至9份的减水剂；96至119份的水，22至23份的玄武岩纤维。本发明还公开该级配玄武岩纤维基高性能混凝土的制备方法，包括以下步骤：步骤一、胶凝材料干拌慢搅120 S；步骤二、加减水剂慢搅30 S；步骤三、加水慢搅120 S；步骤四、加石英粉与石英砂慢搅60 S，再快搅120 S；步骤五、加纤维慢搅60 S，再快搅120 S。该发明不仅利用了玄武岩纤维替代聚乙烯醇纤维，节约了成本，同时通过混杂纤维，提高了超高性能混凝土的整体性能，具有良好的社会、经济和环境效益。
Graded basalt fiber-based high-performance concrete and preparation method thereof
一种级配玄武岩纤维基高性能混凝土及其制备方法
WANG XIAO (author) / YAN LIANG (author) / TONG YUPING (author) / CHEN XI (author) / ZHANG HAILONG (author) / FENG YANAN (author) / JING HAOWEN (author) / ZHENG SEN (author)
2023-12-01
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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