CROSS-ANCHORING METHOD OF PARTIALLY-EXTERNAL TENDONS IN PS CONCRETE BOX GIRDER

摘要

PURPOSE: a kind of tension for proposing vertical force of equal value of the rib prestressed concrete box type girder of cross-anchor method portion of external is greater than SSM or one FSM, and increases bending moment and introduce beam by obtaining maximum eccentric distance. ;CONSTITUTION: concrete and section that linear pipelines pass through formed by integrally casting along the identical axial inner flange that tendon bridge is arranged in prestressed concrete box shape part (11) and one commutation block of installation a kind of following steps of the rib prestressed concrete box type girder of cross-anchor method portion of external: are formed; Expose tendon (17) and be mounted on pipeline inner flange using the commutation block, lateral cross tendon is completed with the supporting point of anchoring tendon and separator segment (12,14) in the section of a range of the component. ;The 2013 of copyright KIPO submissions;The tension that [Reference numerals] (one) configures the cross-anchor region of external tendon and a baseplane introduces; (2) the cross-anchor region of external tendon and the increase and decrease drawing force of front view are configured; (3) tension that the distribution map plus and minors moment is introduced by outside is in a kind of cross-anchor region