Effect of Mix Proportion Parameters on Behaviors of Basalt Fiber RPC Based on Box-Behnken Model

被引：19

作者：

Liu, Hanbing ^{[1
]}

Liu, Shiqi ^{[1
]}

Wang, Shurong ^{[1
]}

Gao, Xin ^{[1
]}

Gong, Yafeng ^{[1
]}

机构：

[1] Jilin Univ, Coll Transportat, Changchun 130025, Peoples R China

来源：

APPLIED SCIENCES-BASEL | 2019年 / 9卷 / 10期

关键词：

reactive powder concrete; basalt fiber; workability; mechanical properties; Box-Behnken design; REACTIVE POWDER CONCRETE; MECHANICAL-PROPERTIES; OPTIMIZATION; DESIGN;

D O I：

10.3390/app9102031

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Basalt fibers are widely used in the modification of concrete materials due to its excellent mechanical properties and corrosion resistance. In this study, the basalt fibers were used to modify reactive powder concrete (RPC). The effect of four mix proportion parameters on the working and mechanical properties of basalt fiber reactive powder concrete (BFRPC) was evaluated by the response surface methodology (RSM). The fluidity, flexural and compressive strength were tested and evaluated. A statistically experimental model indicated that D (the silica fume to cement ratio) was the key of interactions between factors, affecting other factors and controlling properties of BFRPC. The increase in basalt fiber content had a remarkable effect on increasing the flexural and compressive strength when D = 0.2. The addition of basalt fiber obviously improved the mechanical properties of RPC. While when D = 0.4, the decrease of fiber content and the increase of quartz sand content could increase the compressive strength.

引用

页数：14

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