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3D Modelling, Design & Construction of the Jufainah (B6) Dam Crossing a Regional Fault in Al Amerat, Muscat, Oman

ARQ and Partners Consulting Engineers ensuring flood protection with Jufainah (B6) Dam

Sustainability Challenge

Climate Action & Land and Water Resources

A 3d rendering of a large body of water.

Story Highlights

Relevant UN Sustainable Development Goals (SDGs)

SDG Goal 6 clean water and sanitation.

SDG Goal 11 sustainable cities and communities.

SDG Goal 13 climate action.

Utilized Software

PLAXIS, PLAXIS 2D, PLAXIS 2D Output Viewer, PLAXIS 3D, PLAXIS 3D Output Viewer

Location

Oman

ORGANIZATION/COMPANY

ARQ and Partners Consulting Engineers

The city center area of Qurum, a suburb of Muscat, is experiencing a growing number of flash floods. A cyclone recently hit the area claiming 50 lives and causing USD 3.9 billion in damage. To protect the area, Oman’s Ministry of Agriculture, Fisheries Wealth, and Water Resources initiated a flood protection plan consisting of six dams, with ARQ and Partners providing technical support for the Jufainah B6 dam. However, the proposed location was along a geological fault zone, requiring them to undertake sophisticated geotechnical analysis and minimize the negative impacts of the various foundation properties. 
ARQ and Partners used PLAXIS 3D to undertake geotechnical stability and deformation analysis to examine numerous preliminary designs and determine their suitability. Their analysis helped the design teams choose and refine the optimal design, greatly reducing the amount of stress placed on the dam’s plastic concrete core while lowering costs by 30% and construction time by two months. With a stable design, the dam will help protect the 700,000 people of Qurum and 120,000 people in Al Amerat from 500-year floods while improving the local aquifer and enhancing local agriculture.