By RO Cassells – ARQ Dams QHW Shaw , ARQ Consulting ARQ Dams, Pretoria, South Africa ARQ Consulting, Mauritius at the SANCOLD 2022 ANNUAL CONFERENCE – The Finite Element (FE) Method has been accepted by dam designers as the modern-day state-of-the-art approach for the structural analysis of large concrete arch dams, largely replacing previous approaches […]
by ARQ Geotech- Katy O’Brien, Thomas O’Brien & BRT Beric Robinson CivilEngineeringSaice/Vol30No3April 2022 Over the last few decades, design requirements for tailings storage facilities (TSFs) have become more elaborate and demanding. A critical state approach shows much merit as a tool to aid in assessing liquefaction trigger mechanisms. CONCLUSION Realistic assessment of TSF stability beyond […]
SANCOLD 2021 By K O’Brien1, T O’Brien2 and B Robinson3 1.& 2. ARQ Geotech (Pty) Ltd 3. BRT The ICOLD Tailings Dam Safety Bulletin 2020 Draft, advocates that if tailings material is classified as contractive, then post-peak/residual strengths must be considered in stability analyses. Should the target Factor of Safety (generally 1.1) not be achieved for […]
By Gerrie van Jaarsveld, Principal Engineering Geologist, Rockland Geoscience; Werner Britz, Geotechnical Engineer, ARQ Geotech (Pty) Ltd; Thomas O’Brien, Geotechnical Engineer, HOD, ARQ Geotech (Pty) Ltd Exxaro Resources is developing a new bord and pillar underground mine at its Dorstfontein Coal Mine East (DCME), 10 km north-east of the town of Kriel in Mpumalanga. The […]
ARQ Geotech’s involvement with the momentous Tshwane Automotive Special Economic Zone (TASEZ) commenced in 2019. The multibillion-rand Tshwane Automotive Special Economic Zone is a collaborative project of the Gauteng Province, City of Tshwane and the Department of Trade, Industry and Competition’s (DTIC’s) SEZ. The TASEZ is punted as Africa’s first ‘Automotive City’. Nissan, BMW and Ford will all assemble vehicles…….
Dams & Hydro
Geotech
Advanced Numerical Analysis
