long duration load

简明释义

长期荷载

英英释义

例句

1.Engineers must consider the effects of a long duration load 长期荷载 when designing skyscrapers.

工程师在设计摩天大楼时必须考虑长期荷载的影响。

2.In civil engineering, a long duration load 长期荷载 can lead to structural fatigue over time.

在土木工程中，长期荷载可能会导致结构疲劳。

3.The design specifications included factors for long duration load 长期荷载 scenarios.

设计规范包括了针对长期荷载场景的因素。

4.The bridge was designed to withstand a long duration load 长期荷载 from heavy traffic.

这座桥的设计能够承受来自重型交通的长期荷载。

5.A long duration load 长期荷载 test is essential for evaluating the durability of materials.

进行长期荷载测试对于评估材料的耐久性至关重要。

作文

In the realm of engineering and construction, understanding various load types is crucial for the safety and durability of structures. One such important concept is the long duration load, which refers to loads that are applied to a structure over an extended period. These loads can significantly impact the performance and stability of buildings, bridges, and other infrastructure. A long duration load can arise from various sources, including the weight of occupants in a building, furniture, equipment, and even environmental factors such as snow accumulation or wind pressure sustained over time.When engineers design structures, they must consider how these long duration loads will affect the materials used and the overall integrity of the construction. For instance, concrete and steel have different responses to prolonged stress. While steel can handle significant tensile forces, it may yield under excessive loads if applied for too long. Similarly, concrete can withstand compression but may crack if subjected to continuous tensile stresses beyond its capacity.To effectively manage long duration loads, engineers often conduct thorough analyses and simulations during the design phase. This involves calculating the expected loads and their durations, assessing material properties, and determining safety factors. By doing so, they ensure that the structure can withstand not only the immediate loads but also the prolonged stresses that may occur throughout its lifespan.Moreover, the concept of long duration load is not limited to static loads. Dynamic loads, such as vibrations from machinery or seismic activity, can also be considered in this category if they persist over time. Engineers must account for these factors to prevent structural fatigue, which can lead to failure if left unaddressed.In addition to structural integrity, long duration loads also have implications for maintenance and inspection routines. Structures subjected to these loads may require more frequent evaluations to identify any signs of wear or damage. Regular monitoring helps in taking timely actions, ensuring the safety and longevity of the infrastructure.Furthermore, understanding long duration loads is essential for sustainability in construction. As we aim to create more resilient buildings and infrastructure, designers must consider how these loads interact with the environment. For example, buildings designed to withstand heavy snow loads must incorporate features like sloped roofs to prevent excessive accumulation. This proactive approach not only enhances safety but also reduces the need for costly repairs in the future.In conclusion, the concept of long duration load plays a vital role in the field of engineering and construction. By recognizing the significance of these loads, engineers can design safer and more durable structures that stand the test of time. Through careful analysis and consideration of material properties, dynamic factors, and maintenance needs, we can ensure that our infrastructures remain robust and reliable for generations to come.

在工程和建筑领域，理解各种荷载类型对结构的安全性和耐久性至关重要。其中一个重要概念是长时间荷载，指的是长时间施加于结构上的荷载。这些荷载会显著影响建筑物、桥梁和其他基础设施的性能和稳定性。长时间荷载可以来自多种来源，包括建筑物内的居住者重量、家具、设备，甚至是如积雪或持续风压等环境因素。当工程师设计结构时，他们必须考虑这些长时间荷载将如何影响所用材料及整体结构的完整性。例如，混凝土和钢铁对长期应力的反应不同。虽然钢材能够承受显著的拉伸力，但如果施加过大的荷载，可能会发生屈服。同样，混凝土能够承受压缩，但如果受到超出其能力的持续拉伸应力，可能会开裂。为了有效管理长时间荷载，工程师通常会在设计阶段进行彻底的分析和模拟。这涉及到计算预期荷载及其持续时间，评估材料特性，以及确定安全系数。通过这样做，他们确保结构不仅能够承受即时荷载，还能够承受在其生命周期内可能发生的长期应力。此外，长时间荷载的概念并不仅限于静态荷载。如果动态荷载，如机械振动或地震活动，若持续存在，也可以被视为此类别。工程师必须考虑这些因素，以防止结构疲劳，这可能导致未得到解决的故障。除了结构完整性外，长时间荷载还对维护和检查程序有影响。受到这些荷载的结构可能需要更频繁的评估，以识别任何磨损或损坏的迹象。定期监测有助于及时采取措施，确保基础设施的安全和持久性。此外，理解长时间荷载对于建筑的可持续性也至关重要。在我们致力于创造更具韧性的建筑和基础设施时，设计者必须考虑这些荷载如何与环境互动。例如，设计能够承受重雪荷载的建筑物必须采用倾斜屋顶等特点，以防止过度积累。这种前瞻性的方法不仅增强了安全性，还减少了未来昂贵维修的需求。总之，长时间荷载的概念在工程和建筑领域中扮演着重要角色。通过认识到这些荷载的重要性，工程师可以设计出更安全、更耐用的结构，经得起时间的考验。通过对材料特性、动态因素和维护需求的仔细分析和考虑，我们可以确保我们的基础设施在未来的几代人中保持稳固和可靠。