Polyuha R. Crack resistance of reinforced concrete girders of roadway bridge superstructures under lowcycling loads

Українська версія

Thesis for the degree of Candidate of Sciences (CSc)

State registration number

0406U004247

Thesis Registration Form

0406U004247.pdf

Applicant for

Specialization

  • 05.23.01 - Будівельні конструкції, будівлі та споруди

20-10-2006

Specialized Academic Board

Д 35.052.17

Lviv Polytechnic National University

Essay

In the thesis the availability of lowcycling loads during the roadway bridges maintenance is provided. Parameters of repeated load cycles are determined. The results of crack resistance experimental research of reinforced concrete girders without prestressing are described. The method of taking lowcycling loads into account in crack resistance calculation of reinforced concrete girders of roadway bridge superstructures is proposed. The parameters of acoustic emission of reinforced concrete girders under lowcycling loads are determined. On this basis the evaluation method of defect development in reinforced concrete girders of roadway bridge superstructures under lowcycling loads using AE techinque is worked out.

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ROZDIL50.doc

Tutylka.doc

Vusnovok.doc

aref.doc

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