This study evaluates the feasibility of paper ash (PA) as a partial cement replacement (0%, 5%, 10%, and 15% ) with a constant 15% stone powder (SP) as a sand replacement. Fresh and hardened properties were assessed through slump, compressive strength, and split-cylinder tensile tests. Furthermore, the microstructura...
A. Alzlfawi, S. Alogla, Jawad Ahmad et al.· Scientific Reports· 0 citations
This study investigates the performance of hybrid cementitious concrete (HCC) made with rice husk ash (RHA), quartz powder (QP), and bentonite clay (BC). Four concrete mixes, including a control and three HCC mixes containing different proportions of RHA, QP, and BC, were prepared and tested. The properties of the deve...
The use of recycled constituents in engineering cementitious composites (ECC) offers a promising pathway to reduce the environmental burden of cement-based materials while maintaining high mechanical performance. In this study, recycled concrete powder (RCP) and waste tire steel fiber (WTSF) were incorporated into ECC,...
Aneel Manan, Jawad Ahmad, Fawad Ahmad et al.· PLoS ONE· 0 citations
The increasing demand for sustainable concrete has encouraged the utilization of waste materials. This study investigates the combined effect of household waste ash (HWA) as a partial replacement of fine aggregate (0 to 20%) and silica fume (SF) as a cement replacement (10%). The mechanical, physical, and microstructur...
Jawad Ahmad, Abdulmoez Al Ismaeel, Muhammad Sheraz· Science in progress· 0 citations
This study investigates the flexural behaviour of concrete made with wooden ash (WA) as a partial cement replacement and the addition of nylon fibres (NF) as a fiber reinforcement. Four concrete mixes containing 0%, 5%, 10%, and 15% WA replacement and 1% constant NF were casted. Beam specimens (150 × 100 × 500 mm) were...
Muhammad Sheraz, Jawad Ahmad· Materials Research Express· 0 citations
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