Saudi Arabian Oil Company

King Fahd University of Petroleum and Minerals

Zakariya Saleh Al-helal

Mohammed Ibrahim

Mohammed Salihu Barry

Carlos Ernesto Acero

Muhammed Kalimur Rahman

Luai M Alhems

Ali Muhammed Al-Ali

Syed Khaja Najamuddin

Sami Ali Al-Ghamdi

Compositions and methods of forming compositions for a controlled low strength material (CLSM) comprising heavy oil fuel ash (HOFA) and recycled concrete powder (RCP) waste with natural and recycled aggregates and water are provided. In some embodiments, small quantities of Portland cement are also utilized. The recycled concrete powder contains primarily calcite and quartz. The CLSM can be used as a flowable compacted fill in structural and non-structural construction applications.

Recycled concrete waste powder and aggregates with heavy oil fuel ash for producing a green flowable backfill material

Disclosed is a composition for a Controlled Low Strength Material (CLSM) including cementitious materials, water, and fine aggregate. The cementitious materials include powdered basaltic lava and Ordinary Portland Cement (OPC). In the composition, the basaltic lava replaces some of the ordinary Portland cement in the CLSM as compared to a conventional CLSM. The basaltic lava replaces 25% to 90% of the OPC in a conventional CLSM. The CLSM can be used as a compacted fill for structural and non-structural construction applications.

Basaltic lava for producing green controlled low strength material (CLSM)

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Dhahran, Saudi Arabia

Zakariya Saleh Al-helal