To study the mechanical properties of precast concrete base plate with short ribs and steel truss.ABAQUS was used to establish the finite element model to compare the bending performance of the plate with that of the precast concrete base plate with steel truss.The influence of the forms of short ribs on the bending performance of the plate was discussed,and the influence of the length,the width and number of the short ribs on the flexural performance of the plate was analyzed.It shows that compared with the precast base plate with steel truss,the bearing capacity and the stiffness of the precast base plate with short ribs are higher,which proves its feasibility.The rectangular short ribs can effectively improve its bearing capacity and stiffness.The length and the width of the short ribs has a greater influence its flexural performance,with a maximum difference of 21.73%.And the length mainly affects the bearing capacity and the width mainly affects the stiffness.The concrete strength grade,the thickness and the quantity of the short ribs has a smaller influence on its flexural performance,with a maximum difference of 3.5%.
关键词
短肋/预制底板/受弯性能/影响因素
Key words
short ribs/precast base plate/flexural performance/influencing factors
维普
万方数据