Abstract Blended Palm Oil Fuel Ash (POFA) concrete has the potential for application in organic acid environments such as peat land. However, there is a need to improve resistance of blended POFA using silica fume pozzolanic material. There are limited studies admixed with exposure. In this study, compressive strength, porosity, and sorptivity been investigated by exposing samples water. Portla...

This research was conducted to evaluate the influence of waste granite powder (WGP) and polypropylene (PP) fibers on performance M35-grade pavement quality concrete (PQC). WGP mixed in PQC as replacement for cement varied from 0% 25%. The pozzolanic concert examined by strength activity index. PP assessed after addition 0.25% 1.25% volume concrete. mechanical properties were evaluated including...

6 Release of gases from intermediate level radioactive wastes encapsulated in cement-based wasteform grouts is a 7 major concern during the interim storage, transportation and operational stage of a phased geological repository 8 system. The ability of the wasteform grout to retain radioactive gases depends on its mass transport properties, 9 which evolve with age, water saturation degree and a...

Infiltration into the soil is restricted if the movement of displaced air is hampered. In this study, separate infiltration experiments were performed where the air could escape only through capillary glass tubes (three different diameters were used). Control experiments, where the air movement was not restricted, were performed also. During the experiments both air pressure and the cumulative ...

One of the effects supplementary cementitious materials (SCMs) in concrete is dilution effect which as a result partially replacing Portland cement with SCMs. The corn cob ash (CCA) respect to strength gain and transport properties focus this study. 100 mm cubes were prepared at 15% 30% using w/b ratio 0.4 0.6. CCA replacement level on compressive development between 3 28 days, days curing was ...

Different fibers like steel, glass, basalt, coconut, sugarcane are used to improve the tensile strength in concrete. The bagasse fiber (SCBF) is utilized this paper work. This SCBF final extract of sugar industries which contains large fibers. main objective study effect on permeation properties geopolymer concrete (GPC) G40 and compared its equivalent M40 grade. specimens conventional (CC) wit...

Abstract Rice husk is considered as a waste product of farming. However, rice ash (RHA) has good pozzolanic activity, which can be used in cement-based materials supplementary cementitious material (SCM), and it also suitable for self-compacting concrete (SCC). This study reviews the physical chemical properties RHA RHA–SCC mixtures such fresh (crucial factors evaluation methods workability SCC...

A significant amount of waste glass is generated in Australia and around the world, which requires sustainable recycling. The use recycled as aggregates concrete one many options for This study investigated characteristics ordinary Portland cement (OPC) geopolymer concretes containing different proportions a partial replacement natural coarse aggregate. It was found that 28-day compressive tens...

In spite of not being legally accepted in most countries, mixed recycled aggregates (MRA) could be a suitable raw material for concrete manufacturing. The aims of this research were as follows: (i) to analyze the effect of the replacement ratio of natural coarse aggregates with MRA, the amount of ceramic particles in MRA, and the amount of cement, on the mechanical and physical properties of a ...