The Impact of Mix Holdback Time on Wet Compressive Strength of Compressed Stabilized Earth Blocks

Compressed stabilized earth blocks are gaining recognition as a sustainable alternative in the construction industry due to their reduced environmental impact and cost-effectiveness. The mix holdback time is a critical parameter that can significantly affect the final strength and quality of CSEBs. This paper investigates the influence of mix holdback time on the wet compressive strength of compressed stabilized earth blocks (CSEBs). In this study, a series of CSEB samples were prepared with varying holdback times (0 - 120 minutes) before compaction, and their wet compressive strengths were evaluated through wet compressive strength testing procedures. The results observed show a 61% reduction in strength after a two-hour delay which highlights the intricate relationship between mix holdback time and the resulting strength characteristics of CSEBs. This research contributes to an improved understanding of the factors influencing CSEB production and provides valuable insights for optimizing the block manufacturing process to enhance overall structural performance