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第3章 集水冲沙(2 / 2)

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我们所说导流坝,其实与钱塘江口的造型相似,也是个喇叭口形状,以人工在河道内,修建两条俯瞰呈梯形构造的堤坝,只留一个相对狭窄的通水口,黄河水流经这里的时候,便会受到堤坝的束缚,而自动提速,从通水口挤出去的水流,将产生强大的冲击力,卷走河道内堆积的泥沙!

如此看来,这还真是个好办法!那为什么曹叡能想到,其他人想不到呢?两千多年封建王朝历史,就没有一个聪明人吗?

还是那句话,在汉代以前,黄河下游泥沙堆积的情况,还不算严重,若能及时治理,问题将迎刃而解!但是,以这个年代的技术水平和施工能力,根本就造不出这样的导流坝来,等到有能力去造的朝代时,已是一千多年以后,泥沙堆积十分严重,已经到了用集水冲沙的办法,也解决不了的程度了!

既然没有那个能力,曹叡为何有信心能治理好黄河?因为这个时代受刘纬穿越的影响,已经大变了模样,再不是历史本来面目的,那落后的时代了!

刘纬所治下的汉国,如何先进与发达,自不必多说,甚至已经踏入了初步的工业时代!

受其影响,曹魏的技术进步,也是突飞猛进,虽比不上刘纬,却也没少效仿他!刘纬拥有一支基建狂魔队伍,几乎什么都能造,曹魏现在,其实也拥有雄厚的施工实力,修造导流坝,虽然难度不小,却完全有可能实现!

被司马懿带到曹魏的滑轮起重机技术,可以保证沉重的石条和巨木,高效省力地搬运到工地之上;本身就并不复杂的水泥烧制技术,如今曹魏也学会了,自己能生产制造水泥,用于施工,必将使堤坝更为坚实!

就连这集水冲沙之法,其实也是曹叡在汉中为人质之时,受刘纬治理河流之术的启发,才想到的!也就是说,没有刘纬,曹叡不可能凭空想出这么好的办法来,他是个优秀的好学生,竟能融会贯通,举一反三!

由此可见,当初曹操派曹叡去汉中做人质,是多么英明的决策!虽然其中,也经历了不少波折,曹叡都差点没能回来继位,可到最后,效果却是如此明显,他的种种作为,简直是个翻版的刘纬,竟能化腐朽为神奇,创造出惊人的奇迹!

想法有了,技术水平也基本够用,便有了充分的前提条件!但是,想要开工,仍有许多问题亟待解决,如:人手如何凑足?原材料如何调集?另外,钱从哪出啊?这都是麻烦事!

圣人云:知行合一!光有想法,还远远不够,这些现实的问题,都等着曹叡去一一解决呢!

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