Analyze on Static-dynamicLoadingDetection，DiseasesandReinfbrce ofaLongSpan ConcreteTrussArch Bridge
[1]OU Yaowenl,ZHOUChaoyang.Analyze on Static-dynamicLoadingDetection，DiseasesandReinfbrce ofaLongSpan ConcreteTrussArch Bridge[J].Journal of Zhengzhou University (Engineering Science),2013,34(05):22-25,37.[doi:10.3969/j.issn.1671-6833.2013.05.005]
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Journal of Zhengzhou University (Engineering Science)[ISSN
1671-6833/CN
41-1339/T] Volume:
34
Number of periods:
2013 05
Page number:
22-25,37
Column:
Public date:
2013-09-10
- Title:
- Analyze on Static-dynamicLoadingDetection，DiseasesandReinfbrce ofaLongSpan ConcreteTrussArch Bridge
- Keywords:
- Long-span; static loading; dynamic loading; reinforcement
- CLC:
- TU318+1
- Abstract:
- To assess the 10adingquality of bridges，it is necessary to establish FEM，static loadingexperiment wasdesigned．Stress andstrain parameters such as themaximum horizontal thmst of arch feet(condition 1)，the boom axial force(condition2)，the b唔gest negatiVe momentof arch feet(condition3)，themos卜positiVe bending moment of the main arch ring (condition 4) and longitudinal beam (condition 5) under diff色rent working conditionswere calculated by ANSYS；Modal and dynamicdenection were calculated by Midas．As an example，in the 16thacross，the surveyed vibrationf}equency of the bridge is 12％at aVerage higher than theoretical calculationone，namely the dynamicloading stiffness can’tmeet the design requirements．However，the reinforcementandthe maintenancemustbe put forwardinto．Threekinds ofmethodswerecompared at constmction dimculty，emciency．This mean can be used in similarlong-span bridges both home and abroad for testing and repai“ng reinforcement．
- References:
-
[1]LU Chun-ling，Ll Qiu-sheng，HUANG Sheng-hong，etal. Large eddy simulation of wind effects on a long-span complex roof structure[J]. Journal of Wind Engi-neering and Industrial Aerodynamics ，2012，100( 1 ) :1- 18.[2]孙文斌，孙芳锦．大跨度屋盖风振控制的遗传算法[J]．郑州大学学报:工学版，2012，33 ( 1 ) : 40 -42，50.
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Last Update:
1900-01-01