"N. Chijiwa,X. Zhu,H. Ohno,S. Tanabe,K. Nakarai,K. Maekawa","Delayed Shear Crack Formation of Shallow RC Box Culverts in Service","Mechanics and Physics of Creep, Shrinkage and Durability of Concrete and Concrete Structures (CONCREEP-10)","Mechanics and Physics of Creep, Shrinkage and Durability of Concrete and Concrete Structures (CONCREEP-10)","American Society of Civil Engineers",,,"pp. 1579-1586",2015,Sept.