比萨斜塔斜而不倒的秘密 分享到
Soft Soil Saving Pisa Tower from Falling 2018-06-1350031

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In a severe earthquake the ground moves like this, but in spite of numerous earthquakes that have hit the town of Pisa in central Italy, its famous Leaning Tower is still standing 646 years after it was finished.
在一场强烈的地震中,地面像这样移动,但尽管意大利中部的比萨镇发生了多次地震,其著名的斜塔在建成646年后仍屹立不倒。
University of Bristol professor George Mylonakis says it is because the tower stands on relatively soft ground that serves almost like a comfortable cushion. “The soil moves but the tower doesn’t move, like riding the waves. So hard the soil being stiff the waves would have hit the tower and the tower would have possibly if not probably collapsed.”
布里斯托大学教授乔治·米隆纳基斯说,这是因为这座塔位于相对松软的地面上,那里的土地几乎就像一个舒适的垫子。土地在移动,但是塔不会,就类似于冲浪一样。土地太过坚硬的话地震波动会直击塔身,如此一来塔便很容易倒塌。
However, measurements taken over time showed that the tower continued to tilt,so in a major restoration project that started in 1990 and lasted over a decade.its foundation was stabilized and the tower was straightened by 45 centimeters.
然而,随着时间的推移,测量结果显示这座塔继续倾斜,因此,在1990年开始并持续了十年的一项大型修复工程中,塔基稳定,塔身被拉直了45厘米。
“We are much more optimistic about the Tower of Pisa, the earthquakes there are more modest in magnitude and intensity.And the effect of the ground help that the tower receives from the ground is so important and so strong that we are optimistic that we’ll survive for hundreds if not thousands of years.”Latest measurements confirmed that the tilting has stopped and the tower is once again open for visits.
我们对比萨斜塔更加乐观,那里的地震震级和强度都比较温和。斜塔接受地面援助的效果是如此的重要和强大,以至于我们乐观地认为即使斜塔无法保存几千年,数百年是不成问题的。最新的测量证实塔身已经不再继续倾斜,比萨斜塔再次开放迎接游客。
George Putic VOA News
VOA记者乔治采访报道。

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