Analysis of Upside Additional Internal Force Imposed by Asymmetric Settlement of Broadened Bridge Foundation

Bridge upper hinge or just a widened, because of uneven settlement in upper structure based generate additional internal forces. To analysis Foundation does not uniform settlement on upper structure by force of effect, using niumake numerical analysis method on structure for analysis, established has new, and old bridge transverse mosaic Hou of simplified calculation formula, and on effect additional internal force of main factors for has analysis research, and results indicates that, using niumake numerical method on structure for simulation calculation comparison reasonable, and can using calculation structure anti-is foundation settlement difference allowed value, under on relying on engineering for calculation analysis, calculation out foundation of allows settlement value, Ensure the overall performance of widened bridge.