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    Beam-on-Springs Modeling of Jointed Pipe Culverts

    Source: Journal of Performance of Constructed Facilities:;2016:;Volume ( 030 ):;issue: 002
    Author:
    Timothy Sheldon
    ,
    Halil Sezen
    ,
    Ian D. Moore
    DOI: 10.1061/(ASCE)CF.1943-5509.0000729
    Publisher: American Society of Civil Engineers
    Abstract: In this paper, an existing beam-on-springs modeling methodology is examined for suitability in estimating vertical displacements and joint movement in jointed pipe culvert systems. Methods of determining the modulus of subgrade reaction, ks, are used in beam-on-springs modeling and compared with results from laboratory tests on three buried culvert pipes. Pipes were buried in soil conforming to AASHTO specifications for buried structures and then loaded at the ground surface. Two of the methods provided reasonable estimates of ks for use with both rigid and flexible test pipes (with an average error of 25%). The first method relies on empirical parameters, whereas the second method relies on actual soil properties to estimate ks. This makes the second model more appealing. However, the second model is somewhat less accurate than the first (10% average error compared with 25% average error). Movement at the culvert joint was estimated by beam-on-springs modeling with a moderate degree of accuracy (within 52% error when calculating the maximum movements) because of the complexities of the jointed culvert system being modeled. Accordingly, results from a beam-on-springs model should be used conservatively.
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      Beam-on-Springs Modeling of Jointed Pipe Culverts

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    http://yetl.yabesh.ir/yetl1/handle/yetl/4241562
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    contributor authorTimothy Sheldon
    contributor authorHalil Sezen
    contributor authorIan D. Moore
    date accessioned2017-12-16T09:20:10Z
    date available2017-12-16T09:20:10Z
    date issued2016
    identifier other%28ASCE%29CF.1943-5509.0000729.pdf
    identifier urihttp://138.201.223.254:8080/yetl1/handle/yetl/4241562
    description abstractIn this paper, an existing beam-on-springs modeling methodology is examined for suitability in estimating vertical displacements and joint movement in jointed pipe culvert systems. Methods of determining the modulus of subgrade reaction, ks, are used in beam-on-springs modeling and compared with results from laboratory tests on three buried culvert pipes. Pipes were buried in soil conforming to AASHTO specifications for buried structures and then loaded at the ground surface. Two of the methods provided reasonable estimates of ks for use with both rigid and flexible test pipes (with an average error of 25%). The first method relies on empirical parameters, whereas the second method relies on actual soil properties to estimate ks. This makes the second model more appealing. However, the second model is somewhat less accurate than the first (10% average error compared with 25% average error). Movement at the culvert joint was estimated by beam-on-springs modeling with a moderate degree of accuracy (within 52% error when calculating the maximum movements) because of the complexities of the jointed culvert system being modeled. Accordingly, results from a beam-on-springs model should be used conservatively.
    publisherAmerican Society of Civil Engineers
    titleBeam-on-Springs Modeling of Jointed Pipe Culverts
    typeJournal Paper
    journal volume30
    journal issue2
    journal titleJournal of Performance of Constructed Facilities
    identifier doi10.1061/(ASCE)CF.1943-5509.0000729
    treeJournal of Performance of Constructed Facilities:;2016:;Volume ( 030 ):;issue: 002
    contenttypeFulltext
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    DSpace software copyright © 2002-2015  DuraSpace
    نرم افزار کتابخانه دیجیتال "دی اسپیس" فارسی شده توسط یابش برای کتابخانه های ایرانی | تماس با یابش
    yabeshDSpacePersian