结构:万事万物为什么不会倒塌?

结构:万事万物为什么不会倒塌?
内容简介:
为什么人类会腰痛?为什么鸟类有羽毛?为什么希腊人在晚上会将马车轮子卸下来?为什么一座吊桥即便开通了8条车道也不至于倒塌?为什么堤坝可以阻拦或释放巨大的水量?
作者简介:
J.E.戈登(J.E. Gordon, 1913–1998)
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最新评论: 更多
  • 开门trortd
    2025-02-27
    相较于材料力学和结构力学的教科书,这本科普具有更直观更容易切入和联系的阐述架构。我十分地欢喜。顺便说一句:“有些事真的就那么难以理解吗?”。的确,我现在也总在感叹,“有些事真的就那么难以理解吗?”哈哈,有时候对于有些人,的确就是那么地难以理解,谁都一样。
  • 12
    2025-03-22
    第一次看这方面的科普
  • 蛋生
    2025-03-20
    一本科普文,讲了人体结构以及说人造物的结构,很适合学建筑的人业余去看看,但是如果是专业性的人去研究,就觉得相对浅显一些了。里面对于拱桥的理论对于门外汉的人来说还是很有意思的,就像小时候我一直以为拱桥一需要一个拱,结果却并不是。
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  • Joan
    2025-03-02
    If the country has gone up in the aesthetic world, the towns have certainly come down. Nowadays when we deplore English towns and factories we are deploring the product of philistine reformers and engineers and architects and businessmen and the little grey men who sit in council offices and the bigger grey men who sit in Parliament. Of these people’s sins, it is not enough to say that they know not what they do; for we do that which is inherent in our natures – as Plato well knew. It is at least arguable that the countryside is more attractive than the town not because the country is more ‘natural’ but because town and country were made, by and large, by very different kinds of people. *But the first thing is to see ugliness for what it is rather than accepting it as part of the natural o...
  • Joan
    2025-03-02
    Before the eighteenth century, when most landscape was much wilder, educated men had a dread of ‘Nature’, which implied to them not only physical discomfort, but *Pan in the raw*. To these people it was the towns which were habitable and attractive, the country which was inhospitable and ugly. Today, when we admire the lovely English landscape we are really admiring something which was deliberately created by the civilized and intelligent English eighteenth-century landlords.
  • Joan
    2025-03-02
    Thus, about the important things, each age has a totally closed mind. Nowadays, being materialists, we are duly horrified that our ancestors were prepared to tolerate physical poverty and to inflict physical pain. But these same ancestors would be just as horrified that we should suffer many millions of people to experience every day the beastliness of London or New York; and that those who work in our Dark Satanic Mills should have to be well paid to put up with noise and ugliness which are largely unnecessary. Even the ‘clinical’ decor and atmosphere of modern hospitals would seem to them to add a new terror to dying. Therefore many of us seek some kind of relief or consolation in ‘Nature‘ and we escape, when we can, to the country, because we find the countryside more agreeable than tow...
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