第十六章 U型坑道
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“我的想法其实很简单。”我说：“还记得越鬼子的坑道是怎么样的吗？”。
“唔！”罗连长脸上带着些失望的说道：“你是说……u型工事？”
“也可以说是！”我说：“我一直在想……越鬼子对这一带的地形和气候肯定比我们熟悉，那么他们构筑的工事就一定有他们的道理，所以我一直在回忆越军坑道的构造，u工事显然就可以部份解决空间问题和子弹直she的问题！”
“话是没错！”罗连长若有所思的回答：“u型工事有两个出口，那何尝又不是把两个坑道在尾部绕上一个弯连接起来，这么一连两个坑道就变成一个了，而且因为有一个弧度，所以子弹直she也很难对躲在里头的人员造成伤害……”
“只不过……”想了想罗连长就接着说道：“这尾部绕一个弯连起来，说起来容易做起来难……如果只是简单的挖通的话，那毫无疑问的会有塌方问题，所以只能像之前一样挖深沟，然后堆上原木土石加固……这却很难做到……”
罗连长的话我是明白的，如果是在平地上，那往哪里深入都不会有问题的，但问题就是我们要在高地的斜面上折腾……有些地方陡峭起来往里深入那么一寸都有可能变成不可能完成的工作，因为这一寸土地的上面很有可能会压着成百上千方的泥土，要想把它们全挖掉就不是那么容易甚至还是有危险的。我想，这也许就是为什么老头他们一直没有将坑道互相间挖通的原因。
但这却并不是我想说的，我摇了摇头继续说道：“我说的这u型工事跟越鬼子的又有些不一样，我说的是这是跟着高地的斜面走的！”
“跟着高地斜面走？”罗连长有些意外的看着我。
我点了点头，说道：“连长见过梯田吗？”。
“当然见过！可是这跟坑道有什么关系？”
“咱们把坑道也建成像梯田那样，一层一层的！”我说：“这样就可以沿着斜面一路往上……这样工程量不至于太大，而且还可以轻松的把各坑道相连……”
“还可解决手榴弹的问题……这手榴弹都会往下滚了！”罗连长腾的一下站起来兴奋的说道：“好办法……我怎么就没想到坑道里头还可以这样搞呢？有这么好的办法怎么不早说……”
“因为这会有其它问题！”我苦笑了一声回答道：“我在想……如果我们用这样方法把太多的坑道连成一片，比如构建一个u字，这被u形围在中间的土层就会与其它土层隔开，很容易就会被雨水冲垮……”
“唔……”罗连长闻言不由一愣，他显然没有考虑到这个问题。
要知道坑道需要的就是两边土层的支撑，只要有一侧会被冲垮，那就是意味着整个坑道的坍塌……
“所以我才说这工程量大！”我说：“因为我们必须还得为中间的这些土层打下木桩加固！”
想了想，罗连长最终还是点头说道：“反正闲着也是闲着，动手干！”
于是工作很快就展开了。
有句话叫天上不会掉馅饼，要想有更大的空间，更强的生命力，那就必须得花上更多的时间和劳动。特别是在这恶劣的气候下，想要建成一条让人满意的坑道，那花上的时间和人力几乎是成倍的往上翻。
最困难的就是加固土层，我们必须将一根根木桩往下打并且排成一个个“井”字，就像现代时常常在公路旁可以看到的防止塌方的工事一样。区别是现代用的是钢筋水泥，而我们用的是木桩。
这打木桩可不是件容易的事，打得太浅了达不到效果，太深了工作量又太大……最后还是想到了一个简便的方法，那就是先挖一条深一点小沟，将木桩沿着这深沟打下去之后再用沙土掩埋。
所以我很能理解老头他们为什么不这样做……这时的我们还没进入与越军对峙的阶段，如果是越鬼子就在对面，而且还三天两头的跟我们抢山顶阵地，那我们也没有办法在越鬼子的眼皮子底下搞这么大的动作，更没有jing力一边打仗一边还耗上这么多的时间和jing力构筑工事。!s
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