Technical Excellence

Image representing Stability of Excavations in Karst for Deep Underground Stations of Lines 1 and 2 of Riyadh Metro Project

Stability of Excavations in Karst for Deep Underground Stations of Lines 1 and 2 of Riyadh Metro Project

Vertical excavation techniques & support measures in the soil & associated rock properties for the Riyadh Metro Project are described here.

April 13, 2019 By: Joan Aranda Gelabert , Senior Geotechnical Engineer
Image representing Advanced Modeling Methods and Tools Applied to Aluminium Smelter Projects

Advanced Modeling Methods and Tools Applied to Aluminium Smelter Projects

Aluminium smelter configurations now apply LEAN methods to eliminate waste & reduce accidents.

April 17, 2018 By: Guest Author
Image representing PLC-Based Real-Time Rheological Process Analyzers for Non-Newtonian Processes

PLC-Based Real-Time Rheological Process Analyzers for Non-Newtonian Processes

Designing and deploying process analyzers capable of providing real-time rheological characterization of non-Newtonian processes continues to be a challenge.

April 15, 2018 By: Michael Mwembeshi, Senior Control Systems Engineer
Image representing Impact of Site Response Epistemic Uncertainty within a Probabilistic Seismic Hazard Analysis Framework

Impact of Site Response Epistemic Uncertainty within a Probabilistic Seismic Hazard Analysis Framework

Bechtel conducted the epistemic uncertainty in two cases with five profiles for a PSHA framework.

April 10, 2018 By: Guest Author
Image representing Technical Innovation at the Amrun Project

Technical Innovation at the Amrun Project

The Amrun Project encompasses the engineering, procurement, and construction management (EPCM) of a range of infrastructure required to support a new bauxite mine on part of Rio Tinto’s existing lease, south of the Embley River, between Weipa and Aurukun on the Western Cape York Peninsular, Queensland, Australia.

April 05, 2017 By: Joanna Winters, Communications Manager
Image representing The Determination of Factor of Safety against Liquefaction and Post-Liquefaction Settlement

The Determination of Factor of Safety against Liquefaction and Post-Liquefaction Settlement

This paper describes the liquefaction triggering relationships by NCEER (1997) and Youd et al. (2001, 2003), Idriss and Boulanger (2008) and Boulanger and Idriss (2014), used to assess the susceptibility of the loose sands to liquefy.

April 10, 2016 By: Guest Author
Image representing Turbocompound Reheat Gas Turbine Combined Cycle

Turbocompound Reheat Gas Turbine Combined Cycle

This paper discusses a new power generation cycle based on the fundamental thermodynamic concepts of constant volume combustion and reheat.

December 08, 2015 By: John Gülen, Senior Principal Engineer
Image representing Leak-Tightness Design of Nuclear Safety Related Liquid-Containing and Buried Concrete Structures

Leak-Tightness Design of Nuclear Safety Related Liquid-Containing and Buried Concrete Structures

The objective of this paper is to provide a proposal for design of leak‐tight nuclear safety related liquid‐containing and buried structures by meshing the appropriate provisions of design, leak‐tightness and durability of the ACI 350 Code for Concrete Liquid‐Containing Structures with those of the ACI 349 Code for Concrete Nuclear Structures.

August 10, 2015 By: Javeed Munshi, Senior Principal Engineer
Image representing Models for Multi-Phase & Single-Phase Flow in Pressure Relieving System Using Bernoulli Integration

Models for Multi-Phase & Single-Phase Flow in Pressure Relieving System Using Bernoulli Integration

This paper reviews integral methods to numerically solve the Bernoulli equation in compressible flow for several common situations: orifices, relief valves, and control valves.

April 28, 2015 By: Freeman Self, Principal Process Engineer