核电工程用大掺量矿物掺合料高性能混凝土试验研究

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发布时间：2020-01-06 00:00:00

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核电工程用大掺量矿物掺合料高性能混凝土试验研究

Study on High-performance Concrete with Large Percentage of Mineral Admixture in Nuclear Power Projects

2022年第7期

核电工程；矿物掺合料；高性能混凝土；工作性；力学性能；耐久性能

Nuclear power project; Mineral admixture; High-performance concrete; Workability; Mechanical property; Durability

2022年第7期

10.19761/j.1000-4637.2022.07.083.04

刘向坤，胡德华，张伟，涂涛

中核混凝土股份有限公司，陕西西安 710016

刘向坤，胡德华，张伟，涂涛

刘向坤,胡德华,张伟,等.核电工程用大掺量矿物掺合料高性能混凝土试验研究[J].混凝土与水泥制品,2022(7):83-86.

LIU X K,HU D H,ZHANG W,et al.Study on High-performance Concrete with Large Percentage of Mineral Admixture in Nuclear Power Projects[J].China Concrete and Cement Products,2022(7):83-86.

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1000

摘要：在矿物掺合料总掺量35%~60%和水胶比0.42~0.29的情况下，采用粉煤灰、矿粉复掺，设计了系列大掺量矿物掺合料高性能混凝土（HPC）配合比，试验研究了矿物掺合料掺量、水胶比对HPC坍落度、抗压强度、抗碳化性能、抗氯离子渗透性能、早期收缩性能的影响。结果表明：矿物掺合料可显著改善HPC的性能，且随着水胶比的降低，矿物掺合料对HPC性能的改善效果更显著；所制备的大掺量矿物掺合料HPC具有良好的技术可行性，满足相关核电工程设计要求。 Abstract: With total percentage of mineral admixture of 35%~60% and water-binder ratio of 0.42~0.29, the high-performance concrete was made blending with fly ash and slag. The effects of mineral admixture content and water-binder ratio on slump, compressive strength, chloride ion penetration resistance, carbonation resistance, and early shrinkage properties of concrete were studied. The results show that the properties of HPC can be significantly improved by blending with mineral admixture, and with reduction of water-binder ratio, the affection is more significantly. The prepared HPC with large percentage of mineral admixture has good technical feasibility and meets the design requirements of nuclear power projects.

英文名 : Study on High-performance Concrete with Large Percentage of Mineral Admixture in Nuclear Power Projects

刊期 : 2022年第7期

关键词 : 核电工程；矿物掺合料；高性能混凝土；工作性；力学性能；耐久性能

Key words : Nuclear power project; Mineral admixture; High-performance concrete; Workability; Mechanical property; Durability

刊期 : 2022年第7期

DOI : 10.19761/j.1000-4637.2022.07.083.04

文章编号 :

基金项目 :

作者 : 刘向坤，胡德华，张伟，涂涛

单位 : 中核混凝土股份有限公司，陕西西安 710016

刘向坤，胡德华，张伟，涂涛

刘向坤,胡德华,张伟,等.核电工程用大掺量矿物掺合料高性能混凝土试验研究[J].混凝土与水泥制品,2022(7):83-86.

LIU X K,HU D H,ZHANG W,et al.Study on High-performance Concrete with Large Percentage of Mineral Admixture in Nuclear Power Projects[J].China Concrete and Cement Products,2022(7):83-86.

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摘要

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结论

参考文献

引用本文

Abstract: With total percentage of mineral admixture of 35%~60% and water-binder ratio of 0.42~0.29, the high-performance concrete was made blending with fly ash and slag. The effects of mineral admixture content and water-binder ratio on slump, compressive strength, chloride ion penetration resistance, carbonation resistance, and early shrinkage properties of concrete were studied. The results show that the properties of HPC can be significantly improved by blending with mineral admixture, and with reduction of water-binder ratio, the affection is more significantly. The prepared HPC with large percentage of mineral admixture has good technical feasibility and meets the design requirements of nuclear power projects.

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超高性能混凝土在建筑领域的应用研究

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再生微粉泡沫混凝土的配合比设计

头部文案

核电工程用大掺量矿物掺合料高性能混凝土试验研究

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