发明授权
US3561179A Segmented concrete beam 失效
SEGMENTED混凝土梁

Segmented concrete beam
摘要:
A PRESTRESSED, SEGMENTED CONCRETE BEAM, HAS THE TENSILE MEMBERS SO POSITIONED AND STRESSED AS TO EFFECTIVELY UTILIZE THE PRESTRESSING FORCES WHILE PREVENTING VERTICAL SHEARING OR SPLITTING AT THE ENDS OF THE BEAM. A METHOD OF MAKING SUCH A BEAM IS PROVIDED.
信息查询
0/0