钢渣粉-磨粒高炉渣粉-粉煤灰-水泥固化软土强度试验

2021 7th International Conference on Hydraulic and Civil Engineering & Smart Water Conservancy and Intelligent Disaster Reduction Forum (ICHCE & SWIDR) Pub Date : 2021-11-06 DOI:10.1109/ICHCESWIDR54323.2021.9656200

Xuying Wang, Jianye Zhao, Lung-Chuang Wang, Qingjuan Meng, Qiang Li, Yuimin Xu

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引用次数: 0

摘要

本文用SS、GGBS和FA代替部分水泥加固海相软土。通过无侧限抗压强度(UCS)试验，对ss - ggbs - fa -水泥固化土与水泥固化土进行了对比分析。研究发现，当m(SS): m(GGBS): m(FA)为1:2:1时，28d和90d SS1GGBS2FA1 +水泥固化土强度最高，超过单一水泥固化土强度。随着GGBS含量的增加，固化土的强度有增大的趋势。GGBS对提高固化土强度的作用更大，而SS和FA的效果不如GGBS。SS1GGBS2FA1 +水泥固化土可以显著改善土的强度和破坏时的应变特性，改善水泥土的脆性破坏模式。

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Strength test of steel slag powder - ground granulated blast-furnace slag powder - fly ash - cement solidified soft soil

The article replaces part of cement with SS, GGBS and FA to reinforce marine soft soil. Through the unconfined compressive strength (UCS) test, the SS-GGBS-FA-cement solidified soil and cement solidified soil were compared and analyzed. The study found that when m(SS): m(GGBS): m(FA) is 1:2:1, 28d and 90d SS1GGBS2FA1 + cement solidified soil has the highest strength, and exceeds that of single cement solidified soil. With the increase of GGBS content, the strength of solidified soil tends to increase. GGBS is more helpful to improve the strength of solidified soil, while the effects of SS and FA are not as good as GGBS. SS1GGBS2FA1 + cement solidified soil can significantly improve the strength of the soil and the strain characteristics during failure, and improve the brittle failure mode of cement soil.

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来源期刊

2021 7th International Conference on Hydraulic and Civil Engineering & Smart Water Conservancy and Intelligent Disaster Reduction Forum (ICHCE & SWIDR)

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