CAJ | 학술논문

随着交通运输量大幅度增长,行车密度及车辆载重越来越大,现有道路中部分中小桥梁或由于当初设计标准低,经过一段时间的交通发展,荷栽标准或桥上、桥下的净空不能满足新交通的需要,或结构陈旧老化、破损影响到它原有设计能力而危及运行的,严重影响了交通运输的发展.
수착교통운수량대폭도증장,행차밀도급차량재중월래월대,현유도로중부분중소교량혹유우당초설계표준저,경과일단시간적교통발전,하재표준혹교상、교하적정공불능만족신교통적수요,혹결구진구노화、파손영향도타원유설계능력이위급운행적,엄중영향료교통운수적발전.
With the substantial increase in the volume of traffic and transport, traffic density and traffic load increases, some of the existing road bridge or as a result of small and medium-sized design standards was low, after a period of lime the development of transportation, loading standard or bridge, the net under the bridge space can not meet the new need to travel, or the structure of old age, the impact damage to its original design capacity and threaten the operation has seriously affected the development of transport.