西华大学学报（自然科学版）
西華大學學報（自然科學版）
서화대학학보（자연과학판）
JOURNAL OF XIHUA UNIVERSITY(NATURAL SCIENCE EDITION)
2014年
5期
53-59
,共7页
连续梁%有限元%桥梁检测%荷载试验
連續樑%有限元%橋樑檢測%荷載試驗
련속량%유한원%교량검측%하재시험
continuous beam%finite element%bridge detection%loading test
为检验桥梁性能及工作状态，对苍溪某新建连续梁桥进行静动载试验。运用有限元法建立试验模型进行计算，再用等效的车辆荷载对桥梁进行静力加载；通过不同速度的跑车试验和跳车试验对桥梁进行动力加载，并通过模态软件分析，可得到跑车和跳车试验对桥梁的冲击作用；结合计算和静动载试验数据分析，获知该桥的结构现状及整体受力性能情况，确定该桥符合桥梁规范公路II级荷载等级要求，桥梁的静动力性能良好。该次试验为了解施工质量、全面检验桥梁结构的可靠性提供了必要的数据支持，也可为以后同类型连续梁桥的竣工验收提供理论参考。
為檢驗橋樑性能及工作狀態，對蒼溪某新建連續樑橋進行靜動載試驗。運用有限元法建立試驗模型進行計算，再用等效的車輛荷載對橋樑進行靜力加載；通過不同速度的跑車試驗和跳車試驗對橋樑進行動力加載，併通過模態軟件分析，可得到跑車和跳車試驗對橋樑的遲擊作用；結閤計算和靜動載試驗數據分析，穫知該橋的結構現狀及整體受力性能情況，確定該橋符閤橋樑規範公路II級荷載等級要求，橋樑的靜動力性能良好。該次試驗為瞭解施工質量、全麵檢驗橋樑結構的可靠性提供瞭必要的數據支持，也可為以後同類型連續樑橋的竣工驗收提供理論參攷。
위검험교량성능급공작상태，대창계모신건련속량교진행정동재시험。운용유한원법건립시험모형진행계산，재용등효적차량하재대교량진행정력가재；통과불동속도적포차시험화도차시험대교량진행동력가재，병통과모태연건분석，가득도포차화도차시험대교량적충격작용；결합계산화정동재시험수거분석，획지해교적결구현상급정체수력성능정황，학정해교부합교량규범공로II급하재등급요구，교량적정동력성능량호。해차시험위료해시공질량、전면검험교량결구적가고성제공료필요적수거지지，야가위이후동류형련속량교적준공험수제공이론삼고。
In order to test the performance of a new continuous bridge and its working condition in CangXi , , static and dynamic tests were conducted in this paper .In first test, finite element method was used to build a model for calculations , and then the equiva-lent static load was applied on the bridge by using a vehicle load ;after that, ajumping power load was applied on the bridge by emplo-ying a car with different speeds and the impact of the role of sports car and jumping on the bridge could be obtained through modal anal -ysis software .Combined static and dynamic load calculations and experimental data analysis , the status of the bridge structure and the overall force performance were informed to determine that the bridge meets the road bridge specification grade -II class load require-ments, the static and dynamic performance of the bridge was good .The test provided the necessary data to support the theory also of-fered a reference for the completion and acceptance of continuous beam bridges with the same type .
