管材弯曲工艺及常见缺陷预防

管材弯曲工艺及常见缺陷预防第六图书馆介绍了绕弯、推弯、压弯、滚弯等几种生产中常见的管材弯曲工艺,并对实际弯曲常见的质量缺陷及预防措施进行了分析阐述,从而减轻或消除缺陷的产生,以获得较好的弯制管件。介绍了绕弯、推弯、压弯、滚弯等几种生产中常见的管材弯曲工艺,并对实际弯曲常见的质量缺陷及预防措施进行了分析阐述,从而减轻或消除缺陷的产生,以获得较好的弯制管件。管材弯曲工艺质量缺陷弯曲变形区山西建筑张学军卢伟玲山东建筑大学2007第六图书馆(2007)07201432026228(82),,,5(82),,,5:,,,:,,,:TU511.37:A,,,,,,[1],1(1);;,,,,20cm,,20cm5,,,5.11)80cm,2),,(2m3m),,3),,,,,,4),,20cm,,20cm,,5),5.21),,,,2)(),3),,6,,;,,,,5m,,4m,,,,,,,7,,,,,,,:[1]GBJ7289,[S].[2].[J].,2005,31(10):50251.TheapplicationofpinepileinsoftsoilfoundationreinforcementofretainingwallLIJi2junAbstract:Combinedwithpracticalworkconstructionmethodofpinepileinreinforcementofsoftsoilfoundationofretainingwallisintroducedanddiscussedfromgeneralengineeringsituations,engineeringgeologicalconditions,piledesignandotheraspects.Authorpointsoutthattheapplicationofpinepileinsoftsoilfoundationtreatmentisconvenientwithlowcostandhigheconomicbenefits.Keywords:pinepile,reinforcement,retainingwall,softsoilfoundation34133720073SHANXIARCHITECTUREVol.33No.7Mar.2007:200100:1912010119120101[2]:1),,,,,,2),,,,,,3),,,,4),,,,,2:;;;,,,(),,,,,,,,,,;;;,;,;,;,,,;,,,,,,;,,();,(),,31),,;,,,,,,,2),,,,:[1].[M].:,1998.27290.[2],.[J].,2002,20(2):127.[3].[J].,2005(2):11214.[4],.[J].,2005,33(4):1002101.BendingtechnologyofpipeandthepreventionofitscommonfailuresZHANGXue2junLUWei2lingAbstract:Thearticleintroducesseveralcommonpipebendingtechnologiesinproductionasreel,push,pressandrollbending,andanalyzesandillustratesqualityfailuresofpracticalbendingandtheirpreventivemeasures,inordertoreduceoravoidfailuresandtogainwellbendedfKy,y,qyf,f44133720073pipeitting.ewords:pipebendingtechnologualitailurebendingdeormationarea