Three Gorges Dam (三峡大坝) : How China Built the World’s Largest Hydropower Project | Full Story

Chapter - 3 : Three Gorges Dam: China’s $37 Billion Engineering Marvel

Dive deep into the engineering colossal that is China's Three Gorges Dam – a project of unprecedented scale that forever altered the landscape of the Yangtze River. This isn't just a dam; it's a testament to human ingenuity and a complex marvel of modern engineering, generating an astonishing 22.5 Gigawatts (22,500 MW) of clean electricity! This is the world’s largest hydroelectric power station.

In this high-quality documentary, we peel back the layers to explore every critical aspect of this hydroelectric powerhouse:
• The Urgent Need: Discover the historical context and the pressing reasons behind the conception of the Three Gorges Dam project. From devastating annual floods along the Yangtze River basin to China's surging demand for renewable energy, understand why this mega-project became an national imperative.
• Constructing a Giant: Witness the groundbreaking construction methodologies that brought this 2,335-meter-long, 185-meter-high concrete behemoth to life. We break down the intricate process of block concreting, a technique vital for managing the immense heat generated by curing concrete. Learn about the sequential construction and demolition of massive cofferdams that allowed engineers to control the mighty Yangtze during critical phases of the build.
• Innovative Features: Explore the cutting-edge features that make the Three Gorges Dam fully functional and incredibly efficient. Get an exclusive look at the unparalleled five-tier ship lock system, a marvel of hydraulic engineering designed to lift vessels weighing thousands of tons. Plus, delve into the revolutionary ship lift, a vertical elevator for ships, capable of transporting 3,000-ton vessels in minutes – the largest of its kind globally!
• Scale and Impact: Understand the sheer scale of the project, which involved the displacement of over 1.3 million people and an estimated cost of $30 billion USD. This isn't just about concrete and steel; it's about a project that profoundly reshaped a nation and its energy future.

If you're fascinated by civil engineering, renewable energy, large-scale infrastructure, dam construction, or Chinese engineering achievements, this video is a must-watch.

Timestamps
00:00 - intro
00:35 - General Facts about Yangtze
01:24 - Need of a Dam
02:01 - Choosing the location for the construction of the dam
02:47 - What is a Gorge?
03:51 - First phase
04:13 - Cofferdam
05:08 - Construction of Cofferdam
05:28 - Foundation of the dam
06:07 - Grouting
06:26 - Concreting the Dam
06:48 - Problem of concreting a Dam
07:01 - Why concrete cracks
07:39 - Solution of heat problem during large concreting
08:53 - Construction of the right side of the Dam
09:41 - Spillways
10:16 - Dismantling the Cofferdam
10:47 - Length and width of the Dam
11:14 - Reservoir
11:46 - Turbines and Power Generation capacity
12:31 - Ship Lock System
13:14 - Ship Lift
13:30 - Future Railway plans

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Read The Three Gorges Dam : https://elementaryengineeringlibrary.com/engineering-marvels/the-three-gorges-dam

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References :
https://en.wikipedia.org/

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