Fire Test of Timber-fibre Concrete Composite Floor

Eva Caldova; Frantisek Wald; Anna Kuklikova

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Fire Test of Timber-fibre Concrete Composite Floor

机译：木材纤维混凝土复合地板的防火测试

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The subject of this paper is a description of experimental programme of timber-fibre concrete floor in fire. Furnace test was performed on one full-size floor specimen at the Fire testing laboratory PAVUS. Floor specimen was 4, 5 m long and 3 m wide, consisting of 60 mm fibre concrete topping on plywood formwork, connected to GL beams. It was subjected the standard fire for over 150 min. The membrane effect of the floor was progressively activated and the fire performance of timber-fibre concrete floor was better comparing to traditional design method. The project is a part of the experimental research that deals with the effect of membrane action of composite timber fibre reinforced floor slabs exposed to fire which is based on previous research on steel fibre reinforced concrete slabs. The main objective of the project is the preparation of the analytical model which can predict the fire resistance of such floors with dispersed reinforcement.

机译：本文的主题是火灾中木纤维混凝土地板实验程序的描述。在火灾测试实验室PAVUS上对一个标准尺寸的地板样本进行了炉子测试。地板标本为4、5 m长和3 m宽，由60 mm纤维混凝土浇筑而成，位于胶合板模板上，与GL梁相连。它经受了超过150分钟的标准燃烧。与传统的设计方法相比，地板的膜效应逐渐被激活，木纤维混凝土地板的防火性能更好。该项目是实验研究的一部分，该研究是基于先前对钢纤维增强混凝土板的研究，研究复合木纤维增强地板在火灾中的膜作用效果。该项目的主要目的是准备分析模型，该模型可以预测具有分散钢筋的这种地板的耐火性。

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《Journal of structural fire engineering》 |2015年第2期|147-153|共7页
作者
Eva Caldova; Frantisek Wald; Anna Kuklikova;
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Czech Technical University in Prague, Faculty of Civil Engineering Thakurova 7, 166 29 Prague 6, Czech Republic;

Czech Technical University in Prague, Faculty of Civil Engineering Thakurova 7, 166 29 Prague 6, Czech Republic;

Czech Technical University in Prague, Faculty of Civil Engineering Thakurova 7, 166 29 Prague 6, Czech Republic;

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1. Structural response of steel-concrete composite floor systems under traveling fires [J] . Martinez Jason, Jeffers Ann E. Journal of Constructional Steel Research . 2021,第Nova期

机译：旅行射击下钢混凝土复合地板系统的结构响应
2. Insulation effect of the concrete slab-steel deck interface in fire conditions and its influence on the structural fire behavior of composite floor systems [J] . Sharma Shivam, Vaddamani Varun Teja, Agarwal Anil Fire Safety Journal . 2019,第APRa期

机译：混凝土平板-钢甲板界面在火灾条件下的隔热效果及其对复合地板体系结构防火性能的影响
3. Insulation effect of the concrete slab-steel deck interface in fire conditions and its influence on the structural fire behavior of composite floor systems [J] . Sharma Shivam, Vaddamani Varun Teja, Agarwal Anil Fire Safety Journal . 2019,第Apra期

机译：混凝土板钢甲板界面在火灾条件下的绝缘效应及其对复合地板系统结构火灾行为的影响
4. Test of Fire Response of a Profiled Sheet-ceramsite Concrete Composite Floor [C] . Xintang Wang, Haijiang Wang, Ming Zhou International Conference on Civil Engineering and Building Materials . 2011

机译：成型薄层混凝土综合楼的防火响应试验
5. Finite Element Analysis of Steel-Concrete Composite Floor Systems Under Traveling Fires [D] . Martinez, Jason. 2021

机译：行驶射击钢混凝土复合地板系统的有限元分析
6. Interpretation of Impact-Echo Testing Data from a Fire-Damaged Reinforced Concrete Slab Using a Discrete Layered Concrete Damage Model [O] . Changkye Lee, Seong-Hoon Kee, Jun Won Kang, 2020

机译：使用离散分层混凝土损伤模型解释火灾钢筋混凝土板的冲击回声测试数据
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. Temperature Analysis of Steel-Concrete Composite Slim Floor Structures Exposed to211 Fire [R] . Ma, Z., Maekelaeinen, P. 1999

机译：211钢火灾下钢 - 混凝土组合薄壁结构温度分析

Fire Test of Timber-fibre Concrete Composite Floor

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