第一百节 上墩
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第一百节上墩
滑道和墩架用的木料都是博铺木材厂提供的，这里除了从沿海的红树林里砍伐来的木材之外，还有许多从苟家庄拆毁房屋之后搞来的梁柱大件木料，正好用来修建船厂的设施
一般的滑道木材需要用3030直径的美国松木，这里当然没有，好在一般木材也能代用。龙腾小说ltxs520.com但是40米的长度就比较难得了，需要多根材进行拼接，拼接对对机械部门来说不是难事，审批手续稍微复杂一点――凡是涉及金属材料的动用，目前都需要计委的批准。
为了简便上墩的难度，滑道采用的是纵向布置。电动卷扬机在上墩的时候很容易因为过载而烧毁，即使是在船厂也常见这样的事故，以他们这样毫无经验的人来说，用锅驼机带动绞车更安全一些。
卷扬机解决之后，最大的问题就是地龙了。所谓地龙就是一根横卧埋设在地下的大桩，当绞车拉动船体的时候，地龙作为全部的作用力着力点，要承担极大的拉力。
船厂的地龙，以钢筋水泥和钢管内注混凝土为主，过去则普遍使用木地龙。这根地龙木的要求非常高，既要有高度的坚固性，又得耐腐蚀。一般都是选用30～50cm直径的粗大硬木，长度不少于3米。还要经过一系列的脱水防腐处理。
最后木材组的吴旷明給他从堆场找到了一段合适的木料，是从东南亚来得某种硬木，直径将近50cm，有高耐腐蚀性，用不着什么处理就可以直接用了。
“这玩意是能够做棺材的料。給你当地龙吧。”吴旷明有点不舍得的说。
“怎么，你也想享受地主老财的待遇？”燕雀志打趣他。
“嘿嘿，这倒没有。不过过去搞木材的都知道，能做富贵人家的棺材木头都是最好的，属于入地入水不腐不烂的材种。給你这么拿走了，就好像挖了我的肉啊。”
各种装置全部安装完毕之后，就开始准备上墩了。上墩是个技术活，而且十分危险。船厂在这个环节是很容易出工伤事故的。
“你们都給我听好了！”邬德看着下面林林总总刚被叫来的各路人马，“上墩是个危险的活。干活的时候时时刻刻都得給我盯紧了！被绳子砸到你就没救了！”
接着他把种种注意事项说了一遍――实际上邬德自己也是似懂非懂，不过他至少在村里看过，也参加过渔船上墩的工作。除此之外，就是一本从计算机里找来“简易修船术”的古老读本。上墩能不能成功，完全取决于邬德的记忆力和这本书的知识是否准确了。
船上所有可以拆卸下来的东西都給搬了下来，连桅杆也被拆掉了以降低重心。牵引绳用的是从丰城轮上拆卸下来的钢丝绳――木材加工厂自制的大麻缆绳在抗拉试验中证明强度不够。滑道上已经涂满了猪油――这是邬德唯一能搞来的在常温下凝固状的油脂，这么多猪油被运走把吴南海心疼的半死，得杀多少猪才能搞到这么多油啊！
上墩现场有十五六个人。虽然这活计很危险，但是邬德没叫社员来干，这活计是要时刻沟通联系的，社员的普通话说得再好，毕竟不是一个时代的人，万一有了误解或者耽搁，马上就会出人命。
“开机！”
蒸汽机早升好火，随着邬德的口令，卷扬机在飞轮的驱动下开始缓慢的转动，地龙上的铁链条开始绷紧了，钢丝绳在滑轮组上吱吱嘎嘎的摩擦着。木结构的船只强度有限，钢丝绳是兜在船尾上。
随着绞车的转动，钢丝绳完全收紧，发出了吱吱嘎嘎的声音，邬德有点担心：上墩作业里出现的伤亡事故十有八九和拖索断裂有关，一旦绷断，吃着很大力量的钢丝绳就会象一条鞭子一样横扫出去，四周的工人都会被打得飞出去，能不能活命全看运气。
钢丝绳是从丰城轮上取下来的，理论上说用在这种100来吨的木船上是不会有问题的，虽说如此，这个声音还是很吓人。
“往前船动了！”对讲机里传来了观测员的报告，参与上墩作业的人中间三分之二是在各个方向进行观测，以免出现任何偏差。
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