桥梁下部结构 meaning in English

bridge substructure
substructure of bridge

This paper analyzes the influence of pile spacing , pile diameter and pier cross - section on the stiffness of bridge foundation through the calculation of the longitudinal stiffness at pier - top
摘要对桥墩纵向刚度进行计算，分析影响桥梁下部结构刚度的主要因素，包括桩径、桩间距以及墩截面几何尺寸。
In this paper , the reinforcement method with steel plate adhering to a real queen - post girder in bridge was analyzed by using the space entity simulation model , and the effect was validated by load test on site
摘要针对某座桥梁下部结构盖梁采用粘钢法进行加固，对其加固效果采用有限元模型进行仿真分析计算，并通过现场荷载试验进行验证。
By statistically analyzing the test data , a regression formula has been attained . second , the influences of seismic wave , foundation of a bridge and the mechanical properties of lead - rubber bearing on the response of an isolated bridge with the lead - rubber bearing was investigated . several conclusions for properly applying lead - rubber bearing in isolated bridges have been made
其次，利用单墩模型，系统地研究了地震波特性、铅芯橡胶支座参数、桥梁下部结构特性及场地土特性等对隔震桥梁动力响应的影响，提出了在桥梁隔震中合理使用铅芯橡胶支座的一些建议。