Bottom ash를 사용한 저강도 고유동 충전재의 강도특성

Compressive Strength of CLSM Containing Bottom ash

This research was undertaken on the use of bottom ash as a fine aggregate in Controlled. Low-strength Material(CLSM). The mixtures contained constant fly ash. And four different level of bottom ash with fly ash contents, 25%, 50%, 75%, 100% are investigated. Mixture proportions were developed for producing CLSM at three 28-day strength levels: removal with tools (less than $7kgf/cm^{2}$), removal by mechanical means (less than $200kgf/cm^{2}$), and removal with power equipment (less than $83kgf/cm^{2}$). To obtain these strengths, cement contents of 30, 60, and $120kg/cm^{3}$ were utilized. The compressive strength properties support the concept that by-product bottom ash can be successfully used in CLSM.