Three-Dimension Analysis Of The Combined Part Of Steel Fiber Concrete Semi-Combine Beam Bridge

The combined part of steel fiber concrete semi-combine beam bridge is made of steel panel of the bridge and steel fiber concrete linked by bend shear member which made box girder-concrete composite beam bridge. This kind of composite structure is superior in structural mechanics characteristics and proper structural style.This paper analyses dimensional force characteristic of box girder-concrete semi combine bridge, using finite element analysis programs which is advanced so far. The following work has been done1. Bring forward the simplified calculation model of equivalent disposal of box girder-concrete semi-combine beam bridge, according theories of "pulling-press equivalent" and "bending equivalent",2. establish the shearing calculate mode of bending steel shear components of box girder-concrete beam bridge combining parts,3. establish the dimensional stress emulational calculate mode of primary way NF21b-NF24b of inner circle high way in Guangzhou box girder-concrete beam bridge,4. demonstrate the correctness of theoretics calculation by on-site tests,5. analyze and calculate dimensional force characteristic of primary way NF21b-NF24b of inner circle high way in Guangzhou box girder-concrete beam bridge. Analyze stressing situation of skewed box top slab, bottom slab bending steel shearing components and the deflection of the structuction.