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ID:36376158
大小:3.33 MB
页数:153页
时间:2019-05-10
《预应力混凝土空心方桩成套技术研究》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
1、中国建筑科学研究院博士学位论文预应力混凝土空心方桩成套技术研究姓名:王广宇申请学位级别:博士专业:岩土工程指导教师:黄强20070301摘要4)编制空心方桩的产品标准和标准图。基于上述研究成果,研究编制了空心方桩产品标准和标准图,其中产品标准已经批准颁布为建筑工业行业产品标准,编号为JGl97.2006,实旄日期为2007年6月1日。该产品标准的颁布为空心方桩的生产、检测和工程应用提供依据。通过上述研究表明,空心方桩具有很多优势,并有很好的市场前景。本文在最后指出空心方桩作为新产品需要进一步研究和发展的建议.关键词:空心方桩承载力生产工艺预应力产品标准摘要Abstract
2、Prestressedspunconcretesquarepile(simplynamedPS)isanewtypeofpilesdevelopedbyChinaAcademyofBuildingResearch(attachmentA).Inrecentyears,prestressedpipepile(simplynamedPP)becomesmoreandmorepopulardaybydayinChina.ButPSpilesystemhasmanyadvantagescomparewithPPpile.BasedonPPpileresearchwork,toad
3、dressquestionsonthedesigning,application,andstandardofPSpile,aseriesoftheoreticalanalysisandfieldexperimentwerecarriedinabuildingsiteinKunmingcity.theauthormakessomesuggestionswhichcanservereferenceforfurtherprojectengineering.Themaincontentsofthecurrentresearchareasfollows:1)Anewpilestyl
4、e—PSisdeveloped.Themanufacturemethodandtechnicalcharacteristicareintroducedindetail.2)FieldexperimentstudyandapplicationonPSpileareintroducedindetailinthethesis.Thetestprogramissimilartoconstructionprocess.TheapplicationofPSinbuildingprojectsisdescribedindetail.Theexperiencecanbeusedasare
5、ferencetootherprojects.Basedonthetestsinsitu,theparameterofpileinstallationispresentedinthethesis.ItisshownthatthePspilehasgreatpracticalvalue.3)ThedesignandcalculationmethodsofPSpilearestudied.AsimplifledmethodofbearingcapacityofPSisproposed.Inthemethods,theinteractionbetweenthesoilplugs
6、isconsidered.Calculation摘要formulaestudyhasbeenmadebythesimplifiedmethod.Theresultsindicatethemethodismoreconvenienttobeusedinengineeringdesign.4、TheproductstandardanddrawingsofPSpileareintroducedindetail.ApplicationanddevelopmentofPSpilewillbeimprovedbyimplementationofproductstandardofPS.
7、PShasbrightmarketprospect.ButmanyproblemsandtopicsremainopenandneedfurtherresearchonitstheoryandapplicationinChina.Keywords:PS.Bearingcapacity,Manufacturemethod,Prestressed,Productstandard中国建筑科学研究院博士学位论文1概论1.1概述上世纪八十年代以来,伴随着城镇化水平的提高和城市建设的迅速发展,各类高层建筑在全国各大中城市日益增多。众所周知
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