Study on the relationship between compressive creep and tensile creep of concrete at an early age

摘要

An investigation of the difference betweencompressive creep and tensile creep of concrete at an early age iscarried out through several creep experiments focusing on theamount of mortar and coarse aggregate. It is noted that the tensilecreep strain of the mortar is quite similar to the compressive creepstrain of the mortar under the same loading condition. The changein pore size distribution after compressive creep experiments isalso quite similar to the change in the tensile creep experiments.The tensile creep strain of concrete is smaller than the compressivecreep strain under the same loading condition. The effects of thecoarse aggregate are founded to be significant in this study.