Traditional demolition methods for maritime bedrock may not adequate specially for urban areas and historical places due to hazard of explosive and noise. Therefore, an use of soundless chemical demolition agent (SCDA) increased to reduce the noise and avoid from explosive methods. However, there is no guideline or design code for using SCDA. In this study, crack control for maritime bedrock demolition using SCDA is performed.

Traditional methods for demolition of rocks may not adequate specially for urban areas and historical places. Accordingly, an use of soundless demolition chemical agent (SCDA) increases in those areas. In this study, required expansive pressure of SCDA for initiating cracks in maritime bedrock was study. It was found that shape of hole and distance between holes reduced required expansive pressure up to 59%.