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Abstract ▼ AI-Helper

Cracking of cement mortar mainly occurs via sedimentation and contraction cracks in the early period and drying shrinkage cracks after hardening. To solve these problems, CAM (Cement Asphalt Mortar), which is a mixed compound of asphalt and cement, has been developed and subjected to dynamic study. ...

Cracking of cement mortar mainly occurs via sedimentation and contraction cracks in the early period and drying shrinkage cracks after hardening. To solve these problems, CAM (Cement Asphalt Mortar), which is a mixed compound of asphalt and cement, has been developed and subjected to dynamic study. The reason for using asphalt is that its performance in terms of drying shrinkage, watertightness, and chemical resistance is better than that of cement. In this study, three different contents of CAM (one of was hardened, not the others) were used for the experiment. Three aggregates were used (2mm, 5mm crushed sand, and standard sand) and two types of emulsified asphalt were used (EA40, EA50). Certain tendencies of strength and mass loss rate with increase in content of emulsified asphalt, sand, and A/C ratio were observed. The results of this study can be applied to the field as fundamental data.

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