鋼橋面SMA鋪裝技術(shù)理論與試驗研究.pdf

1、武漢理工大學碩士學位論文鋼橋面SMA鋪裝技術(shù)理論與試驗研究姓名：王林申請學位級別：碩士專業(yè)：船舶與海洋工程（結(jié)構(gòu)工程）指導教師：張謝東羅天發(fā)2002.11.1一鴦姿矍三丕蘭臻主簍壟煎奎一————————————，———————————————————————————————一——AbstractThesteelstructuregirderhasbeenwidelyadoptedasthesuperstructureofextralon

2、gspanbridges，becauseofitshypertensiongiganticstiffness，lightweightandconvenienceofconstructionaswellInChinaespeciallysincethe1990s，steelstructureshavebeenintroducedintoalotofgrandbridgeswhichspannedoverroaringriversandsu

3、rgingseasSteeldecks，inotherwords，orthodoxisomerismstructuresarewelded硒tllvarioustransverseandlongitudinalreinforcingribsThisresultsinthecomplexityofforcesanddeformationofthepavementlayerabovethedeckInaddition，duetothegoo

4、dthermaleonductiv姆ofsteelmaterials，thepavementlayeruponthedeckshouldhavegoodthermalstabilitiesandlowtemperaturedeformationabilitiesIntermsofpavingmaterialsanderectingmethodsthesteeldeckpavementsystemsadoptedintheworldcan

5、begeneralizedintofourtypes：ThefirstoneistheGussasphaltThenistheMasticAsphaltAnotheroneistheStoneMasticAsphaltAndthelastoneiStheEpoxyAsphaltSMAhasbeenwidelyappliedinwesterncountriessuch勰EuropeancountriesJapanandAmericafor

6、itssuongantitrackcapabilityandwelldurabilityItisstillunderexperimentalstageyetinChinaInthispaperahighperformanceSMAsystemappliedtosteelbridgedeckisputforthinallusiontothepavementprojectoftheWuhanJunshanYangtzeRiverHighwa

7、yBridgehcomprisessteelslab，Zncoatinglayerclosinglayer，adhesive，premixedasphaltstoneandduallayerSMAfrombottomtOtopItisbasedontheFEAresultsoftheforcesanddeformationofthepavementlayerbymeansoftheA毛GORFEASaccordingtothisbrid

8、ge’strafficandtheambienttemperaturevaryingrangeofthepavementlayerTheingredientsofthistypeofSMAsystem，suchasalteringasphaltaggregations，mineralpowderandfiberhavebeenstudieddeeplyVariouscompOnentshavebeencomparedindetailas