Search

Now showing items 1-2 of 2

Pyroprocessing and the Optimum Mix Ratio of Rice Husks, Broken Bricks and Spent Bleaching Earth to Make Pozzolanic Cement

Nalobile, Protus; Wachira, Jackson Muthengia; Thiong'o, Joseph Karanja; Marangu, Joseph Mwiti (Elsevier, 2019)

This paper presents the findings of an experimental investigation on optimizing pozzolanic activity of a blend of Rice Husks (RH), Spent Bleaching Earth (SBE) and Broken Bricks (BB) to form pozzolana that would have ...

Study on the Effect of Thiobacillus Intermedius Bacteria on the Physico-Mechanical Properties of Mortars of Ordinary Portland Cement

Munyao, Onesmus Mulwa; Thiong'o, Joseph Karanja; Muthengia, Jackson Wachira; Mutitu, Daniel Karanja; Mwirichia, Romano; Muriithi, Genson; Marangu, Joseph Mwiti (PubMed, 2020)

Most of concrete structural failures are attributed to poor workmanship and poor engineering designs. Some microorganisms present in sewer systems can degrade the concrete and/or mortar. Concrete failures due to microbial ...