鋼索受力動力檢測理論與試驗研究.pdf

1、申請同濟大學(xué)工學(xué)碩士學(xué)位論文鋼索受力動力檢測理論與試驗研究培養(yǎng)單位：一級學(xué)科：二級學(xué)科：研究生：指導(dǎo)教師：土木工程學(xué)院建筑工程系土木工程結(jié)構(gòu)工程張開瑩李國強教授00五年五月AbstraetABSTRACTcable，oneofthecomponentswhichcaneffectivelybearthetensileforce，hasbeenwidelyusedinstructures，Manymethodshavebeenpropos

2、edtomeasurethecabletensionduringstructuralconstructionanddetectionprocess，andvibrationmethodiSoneoftheuniversallyusedmethodSBasedontherelationshipbetweentensionandfrequenciesofthecable，vibrationmethodCanestimatethecablet

3、ensionindirectlythrou曲thenaturalfrequenciesTheworkpresentedinthispaperfocusesonseveralfollowingaspectsTheresearchbackwoodandsignificanceofthispaperareexpoundedBasedonthereviewingandsummarizingtheexistingstudyachievements

4、andcomparingdifferentmethodsoncabletensionmeasurementtheadvantagesandproblemsofvibrationmethodarcindicatedTheprincipleofcablelinearvibrationispresentedAndbasedontheprinciple，theinfluenceofsag，flexuralrigidityboundarycond

5、itionandlumpedmassonthenaturalfrequenciesalediscussedPracticalformulasconsideringflexuralrigidityofcablearededuced，andamethodtoidentifytheflexuralr主gidjtyandboundaryuseofnaturalfrequenciesisproposedCasestudyprovesthatthe

6、methodiscorrectandpracticalforvariouscables，especiallysuitableforinflexiblecableThesensitivityofthismethodtofrequencieserrorsisstudiedandsomeadviceforreducingthesensitivit)risgivenAdynamictestisconductedtovalidatetheprac