| 摘要 |
<p>PROBLEM TO BE SOLVED: To stably support a PC (prestressed concrete) steel material when constructing a PRC bridge girder.SOLUTION: A support of a PC steel material in a PRC bridge girder is constituted by arranging the PC steel material in a bridge girder direction inside a stirrup arranged by surrounding a main reinforcement in a bridge axis direction, and comprises a steel sheet frame for connecting mutual lower ends of paired left-right side plate parts by a horizontal plate part and a steel bar shelf material for bridging between the side plate parts, and the frame binds the horizontal plate part on a lower side reinforcement or its assembly reinforcement among the main reinforcements, and binds the paired respective side plate parts to respective left-right vertical reinforcements of the stirrup.</p> |
