cable sag

简明释义

绳擞度

英英释义

例句

1.To prevent cable sag, we need to install additional support poles along the route.

为了防止电缆下垂，我们需要在路线沿途安装额外的支撑杆。

2.The engineer calculated the amount of cable sag to ensure the power lines would not touch the ground.

工程师计算了电缆下垂的量，以确保电力线不会接触地面。

3.The technician adjusted the tension on the wires to minimize cable sag during the storm.

技术人员在风暴期间调整了电线的张力，以最小化电缆下垂。

4.During the inspection, we noted that the cable sag was within acceptable limits.

在检查期间，我们注意到电缆下垂在可接受的范围内。

5.Excessive cable sag can lead to safety hazards in overhead wiring installations.

过度的电缆下垂可能导致高架电缆安装中的安全隐患。

作文

In the world of engineering and physics, the concept of cable sag plays a crucial role in various applications, especially in the design of bridges, power lines, and other structures that utilize cables for support. Cable sag refers to the downward curve or dip that occurs in a cable when it is suspended between two points. This phenomenon is primarily influenced by the weight of the cable itself, as well as any additional loads that may be applied to it. Understanding cable sag is essential for ensuring the safety and stability of structures that rely on cables for their integrity.The physics behind cable sag can be explained using the principles of tension and gravity. When a cable is stretched between two supports, the force of gravity pulls down on the cable, causing it to sag. The amount of sag depends on several factors, including the length of the cable, the weight of the cable, and the distance between the supports. Engineers must calculate the expected cable sag to ensure that the structure can withstand various forces, such as wind or additional loads, without failure.In practical terms, cable sag is particularly important in the construction of suspension bridges. In these structures, the main cables support the weight of the bridge deck and the traffic that crosses it. If the cable sag is not properly accounted for, it could lead to excessive stress on the cables and potentially catastrophic failure. Engineers use mathematical models to predict the behavior of cables under different conditions, allowing them to design bridges that are both safe and functional.Moreover, cable sag is also a significant consideration in the installation of power lines. Electric utility companies need to maintain a specific clearance height above the ground to ensure safety and prevent electrical hazards. If the cable sag is too pronounced, it could result in power lines sagging too low, posing risks to vehicles, pedestrians, and wildlife. To mitigate this risk, engineers must carefully plan the height and tension of the cables during installation.In addition to engineering applications, cable sag can also be observed in everyday life. For instance, when hanging a clothesline, the weight of the wet clothes will cause the line to sag. This simple observation can serve as a practical example of how cable sag occurs in various contexts. Understanding this concept can help individuals make informed decisions about how to properly install and use cables in their own lives.In conclusion, cable sag is a fundamental concept in engineering and physics that has significant implications for the design and safety of structures that utilize cables. Whether it is in the construction of bridges or the installation of power lines, understanding cable sag is vital for ensuring the stability and functionality of these systems. By recognizing the factors that contribute to cable sag, engineers can create safer and more efficient designs, ultimately benefiting society as a whole.

在工程和物理学的世界中，电缆下垂的概念在各种应用中发挥着至关重要的作用，特别是在桥梁、电力线和其他利用电缆进行支撑的结构设计中。电缆下垂指的是当电缆悬挂在两个点之间时，所发生的向下曲线或凹陷现象。这一现象主要受电缆自身重量以及可能施加的任何附加负载的影响。理解电缆下垂对于确保依赖电缆完整性的结构的安全性和稳定性至关重要。电缆下垂背后的物理学可以通过张力和重力的原理来解释。当电缆在两个支撑点之间拉伸时，重力的作用使电缆下垂。下垂的程度取决于几个因素，包括电缆的长度、电缆的重量以及支撑点之间的距离。工程师必须计算预期的电缆下垂，以确保结构能够承受风等各种力量或额外负载，而不会发生故障。在实际应用中，电缆下垂在悬索桥的建设中尤为重要。在这些结构中，主电缆支撑着桥面和过桥交通的重量。如果未能正确考虑电缆下垂，可能会导致电缆承受过大的压力，从而造成灾难性的故障。工程师使用数学模型来预测电缆在不同条件下的行为，从而设计出既安全又实用的桥梁。此外，电缆下垂在电力线的安装中也是一个重要的考虑因素。电力公司需要保持特定的离地高度，以确保安全并防止电气危险。如果电缆下垂过于明显，可能导致电力线下垂过低，给车辆、行人和野生动物带来风险。为了减轻这种风险，工程师在安装过程中必须仔细规划电缆的高度和张力。除了工程应用，电缆下垂在日常生活中也可以观察到。例如，当晾晒衣物时，湿衣服的重量会导致晾衣绳下垂。这个简单的观察可以作为电缆下垂在各种背景下发生的实际例子。理解这一概念可以帮助个人在自己的生活中做出关于如何正确安装和使用电缆的明智决定。总之，电缆下垂是工程和物理学中的一个基本概念，对利用电缆的结构的设计和安全性具有重要意义。无论是在桥梁建设还是电力线安装中，理解电缆下垂对于确保这些系统的稳定性和功能至关重要。通过认识到导致电缆下垂的因素，工程师可以创造出更安全、更高效的设计，最终使整个社会受益。