Page 149 - 《水资源与水工程学报》2022年第6期
P. 149
! 33 " ! 6 # & ' ( ) & * + , - Vol.33No.6
2022 $ 12 % JournalofWaterResources&WaterEngineering Dec.,2022
DOI:10.11705/j.issn.1672-643X.2022.06.18
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KLDMN:TU473.1 1;TV223 OPQRS:A OTUN:1672643X(2022)06014506
Modeltestonbearingbehaviorofbatterpilesunderthe
combinedactionofuplift ,horizontalandtorqueloads
1
1,2
1
CAOWeiping ,SHIYubin,GAOShuaipeng
(1.SchoolofCivilEngineering,Xi’anUniversityofArchitectureandTechnology,Xi’an710055,China;
2.ShaanxiKeyLaboratoryofGeotechnicalandUndergroundSpaceEngineering,Xi’an710055,China)
Abstract:Batterpilesarewidelyusedinbridges,offshoredrillingplatformsandfoundationsofwind
powerprojects ,andtheirbearingcharacteristicsareverycomplex.Inordertorevealthebearingcharac
teristicsofsinglebatterpilesunderthecombinedactionofupliftforce,horizontalforceandtorque,ala
boratoryphysicalmodeltestoffourbatterpilesinsandysoilfoundationwascarriedoutusingaselfde
signedloadingequipment ,withwhichtheinfluencesofpileinclinationangle,upliftandhorizontalloads
onthehorizontaldisplacement,torsionangle,torqueandbendingmomentofthepileswerestudied.The
experimentalresultsshowthatthehorizontalbearingcapacityofthebatterpilesincreasewiththeincrease
ofthepileinclinationangle ;theincreaseoftheinclinationangleandupliftloadwillleadtothedecrease
ofultimatetorsionalbearingcapacityofthebatterpiles;themaximumbendingmomentofthebatterpiles
increasewiththeincreaseofthepileinclinationangleandupliftload;thecombinedloadscanonlytrans
fereffectivelytoacertaindepthforbatterpiles.
Keywords:batterpile;bearingcharacteristics;combinedload;pileinclinationangle;physicalmodeltest
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