耐碱玻纤的优选及其对高性能混凝土性能的影响

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发布时间：2020-01-06 00:00:00

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耐碱玻纤的优选及其对高性能混凝土性能的影响

2024年第3期

耐碱玻纤；高性能混凝土；配合比优化；性能研究

Alkali resistant glass fiber; High performance concrete; Mix proportion optimization; Performance study

2024年第3期

10.19761/j.1000-4637.2024.03.049.04

张立力1，杨婷丽1，李宏伟2，曹鑫铖1，夏如茜1，潘从玲1

1.苏州混凝土水泥制品研究院有限公司江苏省高耐久混凝土工程技术研究中心，江苏苏州 215004；2.河南鼎力杆塔股份有限公司河南驻马店 463000

张立力1，杨婷丽1，李宏伟2，曹鑫铖1，夏如茜1，潘从玲1

张立力，杨婷丽，李宏伟，耐碱玻纤的优选及其对高性能混凝土性能的影响[J].混凝土与水泥制品,2024(3):49-52.

ZHANG L L,YANG T L,LI H W,et al.Optimization of alkali resistant glass fiber and its influence on performance of high performance concrete[J].China Concrete and Cement Products,2024(3):49-52.

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摘要：通过碱溶液浸泡和胶砂强度试验，从8种耐碱玻纤中优选出了1种综合性能相对较好的耐碱玻纤，在此基础上，研究了耐碱玻纤的体积掺量（0、0.05%、0.10%、0.20%、0.40%、0.80%）和养护制度（蒸汽养护56 h、标准养护7 d）对C80、C95高性能混凝土工作性和力学性能的影响。结果表明：TS耐碱玻纤在碱溶液中浸泡96 h后表面无裂痕，且掺TS耐碱玻纤胶砂的28 d抗折、抗压强度相对较高；随着TS耐碱玻纤掺量的增加，C80、C95混凝土的工作性和抗压强度下降，抗折强度基本呈增大趋势；蒸汽养护试件的抗压、抗折强度比标准养护试件的高。 Abstract: Through alkaline solution immersion and mortar strength tests, one alkali resistant glass fiber with relatively good comprehensive performance was selected from eight types of alkali resistant glass fiber. Based on this, the effects of the volume content (0, 0.05%, 0.10%, 0.20%, 0.40%, 0.80%) of alkali resistant glass fiber and curing system (steam curing for 56 h and standard curing for 7 d) on the workability and mechanical properties of C80 and C95 high performance concrete were studied. The results show that there are no cracks on the surface of TS alkali resistant glass fiber after soaking in alkaline solution for 96 h, and the 28 d flexural and compressive strength of mortar with TS alkali resistant glass fiber are relatively high. With the increase of TS alkali resistant glass fiber content, the workability and compressive strength of C80 and C95 concrete decrease, while the flexural strength basically shows an increasing trend. The compressive and flexural strength of steam cured specimens are higher than those of standard cured specimens.

英文名 :

刊期 : 2024年第3期

关键词 : 耐碱玻纤；高性能混凝土；配合比优化；性能研究

Key words : Alkali resistant glass fiber; High performance concrete; Mix proportion optimization; Performance study

刊期 : 2024年第3期

DOI : 10.19761/j.1000-4637.2024.03.049.04

文章编号 :

基金项目 :

作者 : 张立力1，杨婷丽1，李宏伟2，曹鑫铖1，夏如茜1，潘从玲1

单位 : 1.苏州混凝土水泥制品研究院有限公司江苏省高耐久混凝土工程技术研究中心，江苏苏州 215004；2.河南鼎力杆塔股份有限公司河南驻马店 463000

张立力1，杨婷丽1，李宏伟2，曹鑫铖1，夏如茜1，潘从玲1

张立力，杨婷丽，李宏伟，耐碱玻纤的优选及其对高性能混凝土性能的影响[J].混凝土与水泥制品,2024(3):49-52.

ZHANG L L,YANG T L,LI H W,et al.Optimization of alkali resistant glass fiber and its influence on performance of high performance concrete[J].China Concrete and Cement Products,2024(3):49-52.

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引用本文

Abstract: Through alkaline solution immersion and mortar strength tests, one alkali resistant glass fiber with relatively good comprehensive performance was selected from eight types of alkali resistant glass fiber. Based on this, the effects of the volume content (0, 0.05%, 0.10%, 0.20%, 0.40%, 0.80%) of alkali resistant glass fiber and curing system (steam curing for 56 h and standard curing for 7 d) on the workability and mechanical properties of C80 and C95 high performance concrete were studied. The results show that there are no cracks on the surface of TS alkali resistant glass fiber after soaking in alkaline solution for 96 h, and the 28 d flexural and compressive strength of mortar with TS alkali resistant glass fiber are relatively high. With the increase of TS alkali resistant glass fiber content, the workability and compressive strength of C80 and C95 concrete decrease, while the flexural strength basically shows an increasing trend. The compressive and flexural strength of steam cured specimens are higher than those of standard cured specimens.

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耐碱玻纤的优选及其对高性能混凝土性能的影响

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