Characteristics and performance evaluation of Reactive Magnesia Pervious Concrete (RMPC) for green infrastructure

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• Adel Abdollahzadeh, CUED
• Thursday 20 November 2014, 17:00-18:00
• Cambridge University Engineering Department, Lecture Room 4.

If you have a question about this talk, please contact Anama Lowday.

As a new class of concrete, the use of pervious concrete with the main application as pavement material, is fast increasing due to a range of associated environmental benefits including reduce runoff, enhanced storm water management, reduce heat island effect, retention of oil and other hydrocarbons, recharge ground water level and reduce traffic noise. However, the production of Portland cement (PC), as the principal hydraulic cement in the concrete industry, is one of the most energy-intensive processes and is responsible for 5 to 8% of global annual anthropogenic carbon dioxide (CO2) emission. Besides, PC suffers from a number of durability drawbacks such as chemical attack and considerable thermal shrinkage in mass concrete. The use of low carbon material and industrial by products as well as the development of new cement formulation have been most noticed in last decade as the promising sustainability initiatives in cement industry and are the main subjects of this research. This study explored the feasibility of using reactive magnesia cements, as a recent developed sustainable alternative cement to PC, in pervious concrete with a range of functional, mechanical and environmental assessments. In addition, the feasibility of pervious concrete for immobilising a range of present heavy metals in stormwater runoff (Zn, Cu, Pb, Ni and Cd) was investigated as the function of mix composition, pH, flow rates and metals’ loading.

This talk is part of the Engineering Department Geotechnical Research Seminars series.

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