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一、明代“川江石坝”是古代防洪坝三峡工程的第一个功能或者说最重要的功能就是防洪,一提到三峡工程,人们往往想到孙中山先生,他在《建国方略之二·实业计划(物质建设)》一文的《改良扬子江现存水路及运河·庚长江上游》中谈道:“自宜昌而上,入峡行,约一百英里而达四川之低地,即地学家所谓红盆地也。此宜昌以上迄于江源一部分河流,两岸岩石束江,使窄且深,平均深有六寻(三十六英尺),最深有至三十寻者。急流与滩石,沿流皆是。改良此上游一段,当以水闸
First, the Ming Dynasty ”“ Chuanjiang dam ”is the ancient flood control dam The Three Gorges Project’s first function or the most important function is flood control, referred to the Three Gorges Project, people often think of Mr. Sun Yat-sen, he was“ In the article titled ”Improving the Existing Waterways of the Yangtze River and the Upstream of the G-Changjiang River,“ entitled ”Industrial Plan (Material Construction),“ ”From Yichang to the Gorge, about a hundred miles reaches the lowland of Sichuan, which is what geologists call the so-called The red basin also. This Yichang up to the river part of the river, both sides of the rock beam River, so narrow and deep, with an average depth of six homing (36 feet), the deepest to 30 seekers. Flow is all. Improve this upstream section, when a sluice