Test Research of the Flexural Property of Hybrid Fiber Concrete Used for Store Nuclear Waste

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Test Research of the Flexural Property of Hybrid Fiber Concrete Used for Store Nuclear Waste

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- Test Research of the Flexural Property of Hybrid Fiber Concrete Used for Store Nuclear Waste
- Acta Scientiarum Naturalium Universitatis SunYatseni Vol. 48, Issue 6, Pages: 143-146(2009)
- 作者机构：
  
  1. ．东北大学资源与土木工程学院,辽宁,沈阳,110004
  2. 2．盘锦市城乡规划建设委员会,辽宁,盘锦,124010
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2009，
  
  Published Online：25 November 2009，
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Test Research of the Flexural Property of Hybrid Fiber Concrete Used for Store Nuclear Waste. [J]. Acta Scientiarum Naturalium Universitatis SunYatseni 48(6):143-146(2009)
DOI：

Test Research of the Flexural Property of Hybrid Fiber Concrete Used for Store Nuclear Waste. [J]. Acta Scientiarum Naturalium Universitatis SunYatseni 48(6):143-146(2009) DOI：

摘要

为确保核废料运输安全以及长期耐久性，采用正交化配比设计，在混凝土中单掺和混掺钢纤维、聚丙烯纤维、粉煤灰，分别在常温下和受热150℃后进行弯曲韧性试验，通过极差和方差分析，量化了各掺料类型和掺量对于混凝土韧性的影响效果：纤维类型和掺量对于高性能混凝土开裂后力学性能的改善效果更加明显，受热后这-特征更为显著；长度较长、剪切螺纹型的钢纤维A在受热前后阻裂增韧效果均最佳；随着纤维掺量的增加，混掺钢纤维混凝土的弯曲性能基本呈现增强趋势，若总掺量相近，常温下混掺钢纤维混凝土弯曲性能优于单掺，受热后二者性能相近。

Abstract

To ensure the carrying safety and longterm durability of nuclear waste

the tests of flexural properties were carried out respectively at normal temperature and after being heated to 150℃ using orthogonal mix proportion design and incorporating steel

polypropylene hybrid fiber

fly ash or steel fiber solely in the concrete. Based on gradation and variance analyses

different kinds of admixtures and their effects on toughness of concrete are quantified. Fiber type and incorporation can improve the mechanical properties of high performance concrete effectively after cracking

which is more remarkable after being heated. Steel fiber A with sheared threads has the best effect on anticracking and toughening at preand post heating. With the increase of fiber incorporations

the flexibility of hybrid steel fiber concrete increases basically. The hybrid steel fiber is better than steel fiber with single incorporation in flexural properties at normal temperature

but no difference after being heated.

关键词

混杂纤维混凝土弯曲性能钢纤维聚丙烯纤维粉煤灰

Keywords

hybrid fiber concreteflexural propertysteel fiberpolypropylene fiberfly ash

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Related Institution

厦门理工学院土木工程系

 2清华大学土木工程系

Guangdong Provincial Key Laboratory of Emergency Test for Dangerous Chemicals, China National Analytical Center

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