THE IMPACT OF THE ADDITION OF POLYPROPYLENE FIBRES ON THE MECHANICAL PROPERTIES OF HIGH PERFORMANCE CONCRETES EXPOSED TO HIGH TEMPERATURES

机译：聚丙烯纤维的添加对高温下高性能混凝土力学性能的影响

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The use of polypropylene fibres is recommended by the EUROCODE 2 standard as a technological solution reducing the risk of explosive spalling of high performance concretes (HPC) that are exposed to high temperatures. This paper presents the results of research concerning the impact of polypropylene fibre addition amounting to 0.1% and 0.2% of concrete volume (0.9 and 1.75 kg/m~3) on the changes in compressive strength and the modulus of elasticity as functions of temperature in the range from 20℃ to 600℃.

机译：EUROCODE 2标准建议使用聚丙烯纤维作为一种技术解决方案，以减少暴露在高温下的高性能混凝土（HPC）爆炸剥落的风险。本文提出了研究结果，研究了聚丙烯纤维的添加量（分别为混凝土体积的0.9和1.75 kg / m〜3的0.1％和0.2％）对混凝土中抗压强度和弹性模量变化的影响。范围从20℃到600℃。

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《RILEM Proceedings PRO 39; RILEM Symposium on Fibre-Reinforced Concretes(FRC) - BEFIB 2004 vol.1; 20040920-22; Varenna(IT)》|2004年|P.575-582|共8页
会议地点 Varenna(IT)
作者
Izabela HAGER; Pierre PIMIENTA;
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Cracow University of Technology, Poland;

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原文格式 PDF
正文语种 eng
中图分类钢筋混凝土结构;
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1. Mechanical properties and microstructure of high strength concrete containing polypropylene fibres exposed to temperatures up to 200 deg C [J] . A. Noumowe Cement and Concrete Research . 2005,第11期

机译：包含聚丙烯纤维的高强度混凝土的机械性能和微观结构暴露于200摄氏度以下
2. RESIDUAL PROPERTIES OF BASALT AND POLYPROPYLENE HYBRID FIBRE REINFORCED CONCRETE EXPOSED TO ELEVATED TEMPERATURES [J] . S.K. KIRTHIKA, S.K. SINGH, S.R. KARADE The Indian concrete journal . 2019,第8期

机译：高温下玄武岩和聚丙烯混合纤维增强混凝土的残留特性
3. The impact of the amount of polypropylene fibres on spalling behaviour and residual mechanical properties of Reactive Powder Concretes [J] . I. Hagera, T. Zdeb, K. Krzemień MATEC Web of Conferences . 2013,第2期

机译：聚丙烯纤维数量对活性粉末混凝土剥落性能和残余力学性能的影响
4. THE IMPACT OF THE ADDITION OF POLYPROPYLENE FIBRES ON THE MECHANICAL PROPERTIES OF HIGH PERFORMANCE CONCRETES EXPOSED TO HIGH TEMPERATURES [C] . Izabela HAGER, Pierre PIMIENTA, International Union of Testing amp, RILEM Symposium on Fibre-Reinforced Concretes . 2004

机译：聚丙烯纤维的影响对高温暴露于高温的高性能混凝土机械性能
5. Mix Development of PLC-based Ultra-high Performance Fibre Reinforced Concrete and Characterization of Key Mechanical Properties and Time-Dependent Behaviour. [D] . Shao, Bingyue. 2016

机译：基于PLC的超高性能纤维混凝土的混合开发以及关键机械性能和随时间变化特性的表征。
6. The Mechanical Properties and Chloride Resistance of Concrete Reinforced with Hybrid Polypropylene and Basalt Fibres [O] . Xinyu Hu, Yihong Guo, Jianfu Lv, 2019

机译：聚丙烯和玄武岩纤维增强混凝土的力学性能和抗氯化物性能。
7. Mechanical properties of various concrete after high temperature exposure Mechanical property of various types of concrete after high temperature exposure is investigated. Considering compressive strength requirement for a vertical element in high rise building, concrete specimens with various design strengths of 35, 80, 100, and 150 MPa were tested. Particularly, the influence of incorporated steel fiber on fire resistance is of interest in this study. Experimental results show that the fire resistance depends on the design strength and steel fiber content. Normal strength concrete (NSC) of a design strength of 35 MPa or high performance concrete (HPC) of 80-100 MPa does not spall when exposed to 100-400 °C of temperature. However, an explosive spalling occurs at 300 °C when the HPCs contain 1 vol. of steel fiber. Ultra-high performance concrete (UHPC) of a design strength of 150 MPa and 1.5 vol. of steel fiber also shows dramatic spalling at 300 °C. The experimental results found in this study can contribute to a better understanding of the behaviors of HPC and UHPC under fire and the role of steel fiber on the fire resistance. [O] . 2017

机译：研究了高温暴露后各种混凝土高温曝光机械性能各种混凝土的机械性能。考虑到高层建筑中垂直元件的抗压强度要求，测试了35,80,100和150MPa各种设计强度的混凝土试样。特别是，在这项研究中，掺入钢纤维对耐火性的影响。实验结果表明，耐火性取决于设计强度和钢纤维含量。在暴露于100-400°C的温度时，80-100MPa的设计强度为35MPa或高性能混凝土（HPC）的正常强度混凝土（NSC）不会击落。然而，当HPC含有1体积的钢纤维的百分比时，爆炸性剥落发生在300℃。超高性能混凝土（UHPC）的设计强度为150 MPa和1.5 Vol。钢纤维的百分比也显示出300℃的剧烈剥落。本研究中发现的实验结果可以有助于更好地了解在火灾中的HPC和UHPC的行为以及钢纤维对耐火性的作用。
8. Impact of Steel Fiber Size and Shape on the Mechanical Properties of Ultra-High Performance Concrete. [R] . Scott, D. A., Long, W. R., Moser, R. D., 2015

机译：钢纤维尺寸和形状对超高性能混凝土力学性能的影响。

THE IMPACT OF THE ADDITION OF POLYPROPYLENE FIBRES ON THE MECHANICAL PROPERTIES OF HIGH PERFORMANCE CONCRETES EXPOSED TO HIGH TEMPERATURES

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