Stephen Darmawan

TL;DR: In this article, an extensive laboratory evaluation was carried out to determine the engineering properties of cement-treated C&D materials, including reclaimed asphalt pavement (RAP), recycled concrete aggregate (RCA), and crushed brick (CB).

TL;DR: In this article, the behavior of C&D materials when stabilized with geopolymers was evaluated and a different alkaline activator solution to pozzolanic binder ratio was tested.

TL;DR: In this paper, the effect of adding fly ash (FA) and slag (S) to a soft soil was investigated for usage in deep soil mixing (DSM) applications, where different combinations of FA and S with six combinations of sodium and potassium based liquid alkaline activators (L) were added to the soil to study the effects on its engineering and chemical properties.

TL;DR: In this paper, a soft marine clay was stabilized with fly-ash (FA) and slag (S) based geopolymers, and the effect of a number of preparation and curing factors including water content and temperature variation, wetting-drying cycles and mixing time and method were evaluated.

TL;DR: In this article, the effect of low and high content of fly ash-based geopolymers on strength development of recycled materials is investigated for the first time, and the results of unconfined compressive strength and resilient modulus testing indicate that alkali-activated fly ash is a viable binder for the stabilization of C&D aggregates.