发明名称 METHOD OF MAKING MULTIPLE TENDON, PRESTRESSED SEGMENTED CONCRETE BEAM
摘要 A method of making a multiple tendon, prestressed segmented concrete beam includes the steps of locating and stressing the tendons so as to produce equal compressive prestress laterally across the beam. The method eliminates the vertical end splitting which has occurred during the manufacture of multiple tendon beams in the past.
申请公布号 US3639973(A) 申请公布日期 1972.02.08
申请号 USD3639973 申请日期 1970.03.06
申请人 JAMES M. YOUNG 发明人 JAMES M. YOUNG
分类号 B28B23/22;E04C3/22;(IPC1-7):B21D39/00 主分类号 B28B23/22
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