跨世纪的宏伟三峡工程,右岸一期混凝土工程包括混凝土纵向围堰及防淘槽、三期上游碾压混凝土（RCC）围堰58以下部位、导流明渠防冲保护混凝土、茅坪溪防护工程泄水建筑物混凝土。总计混凝土工程量239.86万m~3,其中碾压混凝土（RCC）178.63万m~3,占74.5％。常规混凝土61.23万m~3占25.5％,是1997年截流的关键项目。 Cross-century Grand Three Gorges Project, the first phase of the right bank concrete works include concrete longitudinal cofferdam and anti-erosion tank, the third phase of upstream RCC cofferdam below 58, the diversion channel anti-scour protection concrete, Maoping River Protection Project Drain building concrete. The total amount of concrete construction was 2,398,600 m 3, of which 1.7863 million m 3 were RCCs, accounting for 74.5% of the total. Conventional concrete 621,300 m ~ 3 accounted for 25.5%, is the key project of river closure in 1997.