This paper presents the finite element analysis of the differential settlement prediction for the adjacent longitudinal precast box culvert and subject to different loading conditions including different loading area. These culverts were investigated based on the finite element method was used to analyze the numerical solution of the problems under the condition of assembled of the standard three dimensional adjacent box culvert with beneath soil, side soil and floor reaction under different

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... ding conditions and loading areas. It is located on right side soil of box culvert concerning to settlement which is using brick element in ABAQUS software. The culvert, floor reaction and soil were modeled using standard parameters of three dimensional solid geometric and material linearity. Finally, the settlement foundation was predicted using the finite element modeling and analysis, the screw bolt constraint is equivalent to the binding contact (tie constraint) so that the screw bolt connection has a negative impact on the performance of the side wall of adjacent longitudinal box culvert specifically if there is a settlement occurred.