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第七章 打捞方法(1 / 2)

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“南海一号”水环境课题组负责人介绍说,“南海一号”在浸泡八百多年后仍保存完好主要有两个方面原因:一是“南海一号”所沉没的水下环境氧浓度低,可以推测,船在沉没后的短时间内周围很快附着了大量淤泥,从而使船体与外界隔绝,避免了氧化破坏。

对沉船周围淤泥的研究发现,淤泥内有很多生物,但没有存活的,这说明船体周围是一个厌氧状况非常好的环境。

二是“南海一号”所使用的材质是松木。根据东广民间说法:水泡千年松,风吹万年杉。这表明松木是抗浸泡比较好的造船材料。

无独有偶,大明宝船的材料与南海一号几乎一模一样,只不过船体表面还涂抹了一层特殊的液体,使得船体更加结实,不易腐烂,这或许就是大明宝船明明是木船,却依然保存完好的根本原因吧。

想到这里,张天元脑子里的疑问也算是解决了。

“不过浮筒打捞法是怎么回事儿?”张天元问到了一个比较专业的问题。

“简单来说就是用若干浮筒绑在沉船两侧,在水下充气后,借浮力将沉船浮出水面,此法浮力大而可靠,施工方便、安全。”

吴工解释道:“在潮汐地区,用浮筒打捞时,起浮时间大都取决于沉船方向和潮流方向,如果沉船首尾向与水流方向一致,可选择在顺流时可使船首先浮,船尾不离底,沉船就不会随流漂动,待转流时再使船尾起浮;如沉船方向与潮流成一定角度,则工程船舶可横流停泊,先浮船尾部,接着使船首部离底起浮,使沉船不致与工程船舶碰在一起。”

“吴工,专业的问题就不要告诉我了,反正我也听不懂,既然您觉得这样可以保证船体的完整,那就按照您说的来吧,不过我还有个提议。”

张天元打断了吴工的话说道:“咱们的船上不仅有浮筒,还有性能非常好的潜水艇,我的建议就是在浮筒放船浮起来之后,再由潜水艇轻轻托住,这样会不会更快,也更方便一些?”

“好办法啊!”

吴工拍手道:“不过老板,说真的,这年头拿潜水艇打捞沉船的,您还是头一个啊,哈哈哈。”

“咱既然有,自然要用了,如果这个方法好的话,我建议其余船也都用这种方法把,这样可以尽量避免船体毁坏吧?”张天元问道。

“当然了,不过老板你考虑过没有,这一共是十二艘沉船,要怎么运到津城港去啊?我建议您还是赶紧联系一下国内的有关打捞公司,哪怕多出点钱,让他们帮忙吧。”

吴工建议道。

“嗯,关于这个事情,我已经联系了一家打捞公司了,他们将派出几艘大型驳船来运送。”

张天元笑道:“不过具体情况我没有告诉他们,那船上的东西,我希望可以尽量全部弄到咱们的游轮上,另外我也设法花钱临时购买了一艘驳船,自己的船用着比较放心。”

“老板你还真是够谨慎的,只要有船过来就行了,那我就放心了。”吴工笑了笑,觉得自己或许是有点担心过头了,这么重要的事儿,张天元不可能考虑不到的。

“行了吴工,这会儿天也晚了,让猎龙号上来吧,咱们今天晚上好好庆祝一下,大家喝一顿,明天正式清理船上的东西。”

张天元看了看时间,目前是晚上八点,天色已经黑了,打捞肯定是不行的,他之所以要摆酒席,其目的也很简单,这些人喝醉了,那么接下来的事情就好办了。

“老板想的还挺周到的,那行吧,本来我是想说等东西全部打捞完成之后再庆祝呢,既然您都安排好了,我们也是盛情难却啊。”吴工笑着说道。

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