Gabions

The AMALA project is a major ultra-luxury tourism and wellness destination being developed along the Red Sea coast in northwestern Saudi Arabia. Often referred to as the "Riviera of the Middle East," it is a cornerstone of the Saudi Vision 2030 initiative, aimed at diversifying the nation's economy away from oil. A new residential development project required retaining walls to surround its plot. This necessitating a vertical retaining wall that would also serve as a boundary wall. In other areas, there was sufficient space to construct tiered retaining walls that could accommodate other construction. This presented a dual challenge of designing a versatile retaining wall system that balanced space constraints, aesthetics, and functional integration of landscaping features.

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The Campeira Dam is responsible for supplying water to the city of Cristalândia (TO) for most of the year. A few years ago, after intense periods of rainfall, the dam's spillway, which was 7 metres wide, was not sufficient to release all the excess water from the reservoir, causing it to overflow and consequently the erosion of the shoulders and the dam's structure to be compromised.

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Gridliance West Transco planned to expand its 230KV transmission system in Boulder Nevada. A Hydraulic Channel was needed to divert and protect from the rainstorm water coming from the Sloan Canyon Mountains. The Channel had to circumvent the expansion pad that stores the new power station. Several options were considered such as concrete, soil cement and rip rap. Due to steep differences in elevation, The channel required three vertical grade control structures up to 13 feet high, retaining walls up to 21 feet in height and 39 feet wide. With the channel length close to 950 ft, the flows were approximately 900 cubic feet per second, and the presence of corrosive soils was noted.

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