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第四百四十六章 滑轮(1 / 2)

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战国时期的长城,除了战略地位非常重要的关隘,绵延的在群山峻岭之间的城墙,多半是由建造者就地取材,采用夯土筑城。

跟明长城全部用砖砌相比,秦长城的工程量,要少很多。

“来人,到这座山峰上,先把架子立起来。”

森手里拿着设计图,指挥人员,先行上山。

山下一处开阔的平地,工匠们搭起一座高大结实的木塔。塔基由巨大的石头相抵,木塔的另一面,三道粗大的绳索系在地下的石头上,形成牵引之力。

三个时辰后,山峰上的木塔搭建完成。两座木塔,遥相面对。

“接下来,最关键的一步,就是安装滑轮了。”

拿到蒙恬的设计图,森指挥工匠营,连夜打造一副滑轮,先行试验滑轮的效果。

戍卒们走上前来,拾起地上的铁链,在森的指挥下,安放在木塔上。

“箩筐呢?快把箩筐拿过来。”

戍卒搬来一个斗大的箩筐,框里装满了泥土,足足有一百斤。

“将箩筐挂在滑轮下的铁钩上,再缓缓拉动铁链,将箩筐送到山上去。”

听了森的话,两个戍卒走了出来,双手抓住铁链,慢慢向后拉扯。

随着两人的拉扯,箩筐渐渐的升高,在众人惊奇的目光下,如缆车一般,平稳的向着山峰升上去。

一盏茶过后,箩筐终于完全升上山峰。只听见,对面的山峰上,传来一阵阵震耳的欢呼声。

“五大夫,这滑轮,轻轻松松的将一大筐子的泥土,送到了山上去。这样一来,我等岂不是要省许多的力气?”

戍卒们围着装置滑轮的木塔,来来回回的查探,眼里满是火热。有了这名为滑轮的东西,修建长城的时候,就不用他们将泥土背上山去了。

“那当然,否则,本大父辛辛苦苦的打造滑轮干什么。”

森一甩衣袖,双手背在身后,眼里不住的眨巴。

蒙恬说过,工具解放人力,这句话说得真是很有道理。

戍卒、匠人们见证了滑轮的便利后,心中的顾虑去了大半。

所有人都知道,即便只是连接秦赵燕的长城,工程量同样不小。要将建筑的材料,从山下运到险峻的山峰,根本不是一件容易的事情。

现在有了滑轮,戍卒们可以预见,至少卖力气的事可以节省很多。

短短不到两个月,北地长城沿线的施工现场,矗立起为数不少的木塔,架上特意打造的滑轮。

戍卒们两人一组,像拔河一样,轮番前来牵引铁链,乐此不疲。

节省出来的人力,则负责监视匈奴俘虏,教导匈奴俘虏好好的为秦国干活。

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