碳纤维增强脱硫灰基保温干混砂浆的性能试验研究

Multipurpose Utilization of Mineral Resources(2019)

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Abstract
利用流化床脱硫灰作为部分胶凝材料,外掺轻质骨料漂珠,制备出了脱硫灰基轻质保温型干混砂浆,本论文研究了脱硫灰、漂珠掺量等与砂浆性能之间的关系.并优化体系较佳配比.结果 表明,水灰比为0.53、内掺30%脱硫灰、外掺15%生石灰、轻质骨料漂珠替代河砂24%、胶砂比为1∶1.7后的干混砂浆保温性能优良,容重轻质,28 d抗压强度为23.1 MPa,且砂浆保水率、2h稠度损失率与凝结时间分别为98.7%、7.6%和5.7 h,各项性能均满足GB/T 25181-2010中的标准要求.
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