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扩大头锚杆技术研究与工程应用-岩土工程专业毕业论文

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onenhancedfeatI】res.Basedont11ea:bovewod(’memechanicalmodeloftllenewanchorwaSeStablishcd;也ebearingcapacitydesi弘fommlaandm血desi弘pointSwerepropose由too.ⅡTestindicates也就由eaxialstrainofthehead-enlarged缸lchorhasasteepdropphenomenon∞mparedto也e∞IIlIllonone,wi也obviousendbe缸扭geffect.wi也applicationcas臼ofhead-en1argedanchorintwodiffi町entexcavationproj自饵,也eme也odofexcavationdesi伊wasdiscussed.Engineeringpracti∞shows也刨出ediffiωltproblemsofprestressedanchorconstructionbelow也ewat,essfullybytheapplicationoftheh臼d-enIarged姐chor.Itisanid臼lme也od岛'rexcavationsupport也highwat町level,∞mplexg'∞plexsurroundingenvironmentbythesea.ThefieldtestoftheAnti-floatingEngineer坦gindicated也刨出enewtechnologycansignificantlyimprovethepulloutcapacity.KeyWords:retainingworkof也efoundationpit,anti-floatingwork,anchor,head-enlargedanchor.

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