one-hour rating

简明释义

小时定额

英英释义

例句

1.The fire door has a one-hour rating, meaning it can withstand flames for up to one hour without compromising safety.

这扇防火门具有一小时等级，意味着它可以在不危害安全的情况下承受高温长达一个小时。

2.In our building, all the walls separating the stairwell have a one-hour rating to ensure safe evacuation during a fire.

在我们的建筑中，所有隔开楼梯间的墙壁都有一小时等级，以确保在火灾期间安全撤离。

3.When choosing insulation materials, it's important to consider their one-hour rating for fire resistance.

在选择绝缘材料时，考虑其防火的一小时等级是很重要的。

4.Our office's fire safety plan includes features with a minimum one-hour rating to protect employees.

我们办公室的火灾安全计划包括最低一小时等级的设施以保护员工。

5.The new construction code requires that all commercial kitchens have at least a one-hour rating for their cooking areas.

新的建筑规范要求所有商业厨房的烹饪区域至少具有一小时等级。

作文

In the realm of building safety, fire resistance is a critical factor that architects and engineers must consider during the design phase. One important metric used to assess the fire resistance of materials and structures is the one-hour rating. This term refers to the ability of a building component, such as a wall or ceiling, to withstand fire exposure for a duration of one hour without losing its structural integrity or allowing the passage of flames and heat. The one-hour rating is often determined through standardized testing procedures that simulate real-world fire conditions. Understanding the significance of the one-hour rating is essential for ensuring the safety of occupants in a building. For instance, if a fire breaks out, the first line of defense is usually the walls and ceilings that separate different areas of the structure. A component with a one-hour rating can provide valuable time for occupants to evacuate safely and for firefighters to respond to the emergency. Moreover, building codes and regulations frequently stipulate minimum fire-resistance ratings for various types of structures. For example, commercial buildings may require a one-hour rating for certain interior partitions, while residential buildings might have different requirements depending on their design and occupancy. Compliance with these regulations not only helps protect lives but also minimizes property damage in the event of a fire. The testing process to determine a one-hour rating involves exposing a sample of the building material to high temperatures in a controlled environment. The material is then evaluated based on its ability to prevent the spread of fire and smoke, as well as its structural performance during the test. Materials that achieve a one-hour rating are often deemed suitable for use in areas where fire safety is a concern. In addition to meeting building codes, architects and builders should consider the one-hour rating when designing spaces that house sensitive equipment or valuable assets. For example, data centers, libraries, and museums may benefit from fire-resistant construction methods that incorporate materials with a one-hour rating to protect their contents from fire damage. Furthermore, the one-hour rating plays a significant role in insurance assessments. Insurance companies often evaluate the fire resistance of a building when determining coverage and premiums. Structures that meet or exceed the one-hour rating may qualify for lower insurance rates, reflecting their reduced risk profile. In conclusion, the one-hour rating is a vital aspect of fire safety in building design and construction. It serves as a benchmark for evaluating the fire resistance of materials and components, ultimately contributing to the safety and protection of occupants and property. As we continue to advance in building technology and materials science, understanding and applying the principles associated with the one-hour rating will remain crucial in the pursuit of safer buildings and communities.

在建筑安全领域，耐火性是建筑师和工程师在设计阶段必须考虑的一个关键因素。一个重要的指标用于评估材料和结构的耐火性，即一小时评级。这个术语指的是建筑构件（如墙壁或天花板）在不失去结构完整性或不允许火焰和热量通过的情况下，能够承受火灾暴露的持续时间为一小时。一小时评级通常通过标准化测试程序来确定，这些程序模拟现实世界中的火灾条件。理解一小时评级的重要性对于确保建筑物内居住者的安全至关重要。例如，如果发生火灾，通常第一道防线就是将建筑物不同区域隔开的墙壁和天花板。具有一小时评级的构件可以为居住者提供宝贵的时间，以安全撤离并让消防人员应对紧急情况。此外，建筑规范和法规通常规定各种类型结构的最低耐火等级。例如，商业建筑可能要求某些内部隔墙具有一小时评级，而住宅建筑则可能根据其设计和使用情况有不同的要求。遵守这些规定不仅有助于保护生命，还可以在发生火灾时减少财产损失。确定一小时评级的测试过程涉及在受控环境中将建筑材料样本暴露于高温下。然后根据其防止火焰和烟雾传播的能力以及在测试期间的结构性能对材料进行评估。达到一小时评级的材料通常被认为适合用于火灾安全问题的区域。除了满足建筑规范外，建筑师和建筑商在设计存放敏感设备或有价值资产的空间时，也应考虑一小时评级。例如，数据中心、图书馆和博物馆可能会受益于采用具有一小时评级的耐火建筑方法，以保护其内容免受火灾损害。此外，一小时评级在保险评估中也发挥着重要作用。保险公司在确定保单和保费时，通常会评估建筑物的耐火性。符合或超过一小时评级的结构可能会获得较低的保险费率，反映出其降低的风险特征。总之，一小时评级是建筑设计和施工中耐火安全的重要方面。它作为评估材料和构件耐火性的基准，最终有助于保护居住者和财产的安全。随着我们在建筑技术和材料科学上的不断进步，理解和应用与一小时评级相关的原则将在追求更安全的建筑和社区中保持至关重要。