镍钴共伴生资源开发与综合利用全国重点实验室;金川镍钴研究设计院;金川集团股份有限公司;
为了解决矿山镍渣、尾砂堆存,实现固废充填利用,应用骨料堆积密实度理论,确定镍渣和尾砂比例4∶6、5∶5、6∶4为配比优化范围;采用响应面法(RSM)进行了配合比试验设计和分析。结果表明:单一因素对28 d抗压强度显著性影响排依次序为水泥用量、镍渣占比、质量浓度;镍渣占比、水泥用量间的交互作用对强度影响显著。通过试验优化获得镍渣-全尾砂充填料浆最优配合比为镍渣掺量为50%,质量浓度为77%,水泥掺量为305 kg·m-3,28 d充填体强度均值为5.95 MPa,与预测值6 MPa的相对误差为0.76%,证实了响应面法确定镍渣全尾砂混合集料配比优化与决策的科学性。
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下载次数 | 被引频次 | 阅读次数 |
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基本信息:
DOI:
中图分类号:TD853.34
引用信息:
[1]张涛,李德贤,王登玉等.基于RSM-BBD的镍渣全尾砂充填配合比寻优[J].矿冶,2025,34(02):235-240.
基金信息:
深地国家科技重大专项(2024ZD1003704); 镍钴共伴生资源开发综合利用全国重点实验室开放基金资助项目(JKCGNZ26Z202501)