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第七百二十六章 突遇北极熊(1 / 2)

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毕方的行动力很高,短暂的修整后,他便开始了“围墙”计划。

其实很简单,就是在木屋四周挖上一圈沟渠,然后撒上混合着木屑的冰水混合物就行。

在极端气温下,这些混合物几乎瞬间就会冻结成冰块,很快就形成了一堵围墙,并且牢不可破。

“冰是水结成的固体物,薄冰如玻璃一样一碰就碎,这是人们都知道的。然而冰如钢铁一样坚硬,如混凝土一样牢固,就是许多人所不知道的情况了。”

“实际上想要达到这样的目的很简单,往里面加一点碎木屑就可以了。”

“冰块加木屑,乍一听上去有些无厘头,可实际上它有一个专业名字,叫做派克瑞特,属于复合材料的一种,就像是钢筋水泥,就是水泥和钢筋的复合。”

派克瑞特是什么东西观众们不知道,可毕方一说钢筋水泥,大家就有了一个清晰的概念了。

【这个什么派能和水泥比?】

观众们有些不相信,冰块加木头就能和水泥一样硬?

“如果条件合适的话,的确可以。”毕方再一次发出惊人之语。

“派克瑞特是一种使用大约质量比为14%的锯末或其他纸浆,同质量比为86%的冰做成的复合材料。”

“‘二战’期间,盟军把木质纤维同水混合在一起,使之冻结。木质纤维会形成一个木质层,使冰不易融化。这种经过加因的冰,坚如钢铁。”

“一英寸,也就是2.5厘米厚的冰板能支撑6个人的重量;10厘米厚的冰板,能挡住枪弹。”

“这种冰板是央国人杰弗逊·派克发明的,所以盟军把这种冰合物命名为‘派克瑞特’。”

在毕方的解释下,水友们也明白了这种名字奇奇怪怪的复合材料究竟有多牛逼,也知道了它的辉煌历史。

两战时期,在德君不断击沉运输船只的情况下,盟军一直想造一种炮弹、炸弹和水雷都炸不毁的船只,“派克瑞特”就成了造船的理想材料。

后来,盟军用“派克瑞特”做材料,真koi造出了一艘60英尺长、30英尺宽的小型运输船,在水温华氏60度的水面上航行数日都没有融化。

那可是华氏六十度,相当于是十五摄氏度,基本就是春夏交际时的水温了,这种情况下居然能坚持数天,离谱得很。

后因“两战”结束,“派克瑞特”船未被继续建造,但也用来做为防坦克障碍物,这在上世纪40年代出版的苏军教科书里屡见不鲜。

两战中的央国也搞了一个哈巴谷工程,计划以此建造航空母舰的计划,用来对付大西洋中的德国潜艇。

只不过当时在加拿小建造试验舰时发现,复合冰材料在大型舰体上无法支持自身重量,加之动力部分设计存在分歧,建造计划于1943年中止,不过即便如此,废弃船体也一直到三年后才完全融解。

当然,这样的行为如今看来还是比较荒谬的,只不过在一百年前,确实有人尝试过。

耳听为虚,眼见为实,毕方举起了手中的石锤,直接对着凝固的围墙砸下,伴随着一声闷响,些许表面碎冰落下,围墙完好无损。

【我擦,牛蛙】

【看着就硬】

围墙制作得非常快,仅用了两天,毕方就将整个木屋全部圈了起来,高度达到了一米六。

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