modulus of rupture

简明释义

挠折模量

英英释义

例句

1.For this project, we need to ensure that the modulus of rupture meets the safety standards.

对于这个项目，我们需要确保抗折模量符合安全标准。

2.The modulus of rupture of wood varies significantly depending on the species.

木材的抗折模量因种类而异。

3.The modulus of rupture indicates how much stress a material can withstand before failing.

抗折模量指示材料在失效前能够承受多少应力。

4.In material testing, the modulus of rupture is crucial for assessing the performance of ceramics.

在材料测试中，抗折模量对评估陶瓷的性能至关重要。

5.The engineer calculated the modulus of rupture to determine the strength of the concrete beams.

工程师计算了抗折模量以确定混凝土梁的强度。

作文

The term modulus of rupture refers to a material property that measures the maximum stress a material can withstand before it fails in bending. This property is particularly important in engineering and construction, where materials are subjected to various forces and loads. Understanding the modulus of rupture helps engineers select appropriate materials for specific applications, ensuring safety and structural integrity.When a beam or a structural element is loaded, it experiences bending stresses. The modulus of rupture, often denoted as 'σ_r', is defined as the maximum tensile stress that a material can endure when subjected to bending. It is crucial for materials such as wood, concrete, and metals, as these materials are commonly used in construction. For example, in wooden beams, the modulus of rupture indicates how much load the beam can carry before it breaks. To determine the modulus of rupture, a standard test is conducted where a sample is supported at both ends and a load is applied at the center. The maximum load that the sample can bear before breaking is recorded, and from this data, the modulus of rupture can be calculated using specific formulas. This testing process is essential because it provides engineers with reliable data on how materials behave under stress.Different materials exhibit different values of modulus of rupture. For instance, steel has a high modulus of rupture, making it suitable for heavy-load applications, while materials like plastic have a much lower modulus of rupture, limiting their use in structural applications. Therefore, understanding the properties of materials, including their modulus of rupture, is vital for designing safe and effective structures.Moreover, the modulus of rupture is not only important in new constructions but also plays a role in assessing the durability of existing structures. Engineers often evaluate the condition of bridges, buildings, and other structures by testing the materials used in their construction. If the modulus of rupture of a material decreases over time due to factors like corrosion or fatigue, it may indicate that the structure is at risk of failure.In conclusion, the modulus of rupture is a fundamental concept in materials science and engineering. It provides critical insights into the performance of materials under stress, guiding the selection and application of materials in construction. By understanding the modulus of rupture, engineers can ensure that structures are designed to withstand the forces they encounter throughout their lifespan, ultimately contributing to public safety and the longevity of infrastructure projects.

术语modulus of rupture指的是一种材料特性，用于测量材料在弯曲前能够承受的最大应力。这一特性在工程和建筑中尤为重要，因为材料会受到各种力和载荷的作用。理解modulus of rupture有助于工程师选择适合特定应用的材料，确保安全和结构完整性。当梁或结构元件受到加载时，它会经历弯曲应力。modulus of rupture通常用“σ_r”表示，定义为材料在弯曲时可以承受的最大拉应力。对木材、混凝土和金属等材料来说，这一点至关重要，因为这些材料通常用于建筑。例如，在木梁中，modulus of rupture指示梁在断裂之前能够承载的负载。为了确定modulus of rupture，进行标准测试，其中样本在两端支撑，并在中心施加负载。记录样本在断裂之前能够承受的最大负载，并通过特定公式计算出modulus of rupture。这一测试过程至关重要，因为它为工程师提供了关于材料在应力下表现的可靠数据。不同材料的modulus of rupture值各不相同。例如，钢材的modulus of rupture很高，适合重载应用，而塑料的modulus of rupture则低得多，限制了其在结构应用中的使用。因此，了解材料的特性，包括它们的modulus of rupture，对于设计安全有效的结构至关重要。此外，modulus of rupture不仅在新建工程中重要，还在评估现有结构的耐久性方面发挥作用。工程师常常通过测试建筑中使用的材料来评估桥梁、建筑物和其他结构的状况。如果由于腐蚀或疲劳等因素，材料的modulus of rupture随时间下降，可能表明结构存在失效风险。总之，modulus of rupture是材料科学和工程中的基本概念。它提供了关于材料在应力下性能的重要见解，指导材料在建筑中的选择和应用。通过理解modulus of rupture，工程师可以确保结构设计能够承受其整个生命周期内遇到的力量，从而最终有助于公共安全和基础设施项目的持久性。