耐火试验.建筑构件.第14部分:实心钢筋防火性能试验和评定要求

[中文适用范围]： 本文件规定了确定消防系统对圆形和矩形实心钢筋耐火性能贡献的测试和评估方法。 ISO 834-10 适用于绞线或主要用于混凝土加固的冷轧或热轧钢筋。 本文件适用于保护最大直径为 130 毫米的实心棒材，对于矩形棒材，最大边长应限制为 130 毫米，且与较短长度边的最大长宽比为 2:1。 除了这些限制之外，还涵盖实心钢筋本文件旨在与任何应用的消防系统一起使用，包括多层系统，这些系统在负载下的地板梁和空心型材上进行测试时证明了其完整性/粘性，并进行了评估根据 ISO 834-11。 本文件不包含受拉构件负载测试的结果。 附录 C 中提供了在拉伸载荷下对钢筋进行防火测试的指南。 本文件包含防火测试方法，可提供消防系统暴露于第 2 条中规定的标准温度/时间曲线时的热特性数据。 ISO 834-1。 它还包含用于分析测试数据的评估方法。 规定了防火试验评估结果的适用范围，并允许将结果直接应用于所测试的防火系统厚度范围内的不同钢材类型和尺寸。 评估程序用于确定： ——根据测试钢筋获得的温度数据，在防火测试条件下使用防火系统的任何实际限制（物理性能）； ——根据测试钢筋获得的温度数据，消防系统的热性能（热性能）。 规定了防火试验评估结果的适用范围，并允许将结果直接应用于所测试的防火系统厚度范围内的不同钢材类型和钢筋尺寸。 本文件描述了申办者自行决定的垂直和水平方向的测试。  [外文原描述]： This document specifies a test and assessment method for determining the contribution of fire protection systems to the fire resistance of circular and rectangular solid steel bar. ISO 834-10 and ISO 834-11 cover other section shapes such as angles, channels and flats. This document is not intended to be used for twisted wire or for cold or hot rolled steel bar which is primarily used for the reinforcement of concrete. This document is applicable for the protection of solid bar up to a maximum diameter of 130 mm and in the case of rectangular bar the maximum side length shall be limited to 130 mm with a maximum aspect ratio of 2:1 against the shorter length side. Beyond these limits, the solid steel bars are covered in ISO 834-10 and ISO 834-11. This document is intended to be used with any applied fire protection system, including multi-layered systems, that have demonstrated their integrity/stickability when tested on floor beams and hollow sections under load, and assessed in accordance with ISO 834-11. This document does not incorporate results from a loaded test on a tension member. Guidance for conducting a fire test on a steel bar under a tensile load is provided in Annex C. This document contains the fire test methodology to provide data on the thermal characteristics of the fire protection system when exposed to the standard temperature/time curve specified in ISO 834-1. It also contains an assessment method for the analysis of the test data. The limits of applicability of the results of the assessment arising from the fire test are defined together with permitted direct application of the results to different steel types and sizes over the range of thicknesses of the applied fire protection system tested. The assessment procedure is used to establish: — on the basis of temperature data derived from testing steel bars, any practical constraints on the use of the fire protection system under fire test conditions, (the physical performance); — on the basis of the temperature data derived from testing steel bars, the thermal properties of the fire protection system, (the thermal performance). The limits of applicability of the results of the assessment arising from the fire test are defined together with permitted direct application of the results to different steel types and sizes of steel bar over the range of thicknesses of the applied fire protection system tested. This document describes testing in both the vertical and horizontal orientations at the discretion of the sponsor.