PickVidsWhy Railroads Don't Need Expansion Joints
推荐理由
Practical Engineering already explained the correct solution to this problem
说明
这是2023年由Practical Engineering发布的一部讲解，主题归在Civil engineering & construction。它讲的是railway engineering这一支里的具体问题，而不是把整个领域扫一遍。适合按兴趣直接看、不打算先补课的人。内容上可以概括成：Practical Engineering explains how continuous welded rail copes with thermal expansion by restraining it, using the relationship between temperature, stress and strain. The video is part of a series on railways.这些读者给出的理由，核心是：Linked in rail and heat-related threads as the clear explanation of why railroads need no expansion joints and how heat problems are handled.讲法不绑某一条新闻，过几年仍然可以当材料看。从2024年到2026年，有1位不同的读者在1个不同月份把它推荐出来，其中明确叫别人去看的有0次。适合用一集把一个概念补上的人。抓住它用的那个图像或类比，比背公式重要。如果已经会了基本定义，就把注意力放在它怎么把railway engineering变成能跟着复述的例子。
视频信息
- 频道
- Practical Engineering
- 时长
- 15 分 53 秒
- 发布年份
- 2023
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