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,軟土地基減沉復(fù)合疏樁基礎(chǔ),,,,,,,,,,,,,,,,,,,,,,

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,樁形狀：,圓形,,,,,,,,,,,,,,,,,,,,,

,樁直徑d或邊長b：,0.4,m,,,,,,,土層沉降計(jì)算表格,,,,,,,,,,,,,

,樁面積Ap：,0.126,m2,,,,,,,,,,,,,,,,,,,,

,基樁豎向承載力特征值Ra：,350,KN,,,編號,承臺底土層名稱,樁側(cè)摩阻力qsu(Kpa),Esi(Mpa),土層深度zi(m),土層厚度li(m),qsuli,土重度(KN/m3),長寬比a/b,深寬比zi/Bc,角點(diǎn)平均附加應(yīng)力系數(shù)αi,角點(diǎn)附加應(yīng)力系數(shù)αi,ziαi,ziαi-zi-1αi-1,(ziαi-zi-1αi-1)/Es,Ai,Ai/Esi,σc(Mpa)

,Fk:,61210,KN,,,0,,0,0,0,0,0,0,0,0,0.2500,0.2500,0.000,0.000,0.000,0.000,0.000,50

,Gk:,6400,KN,,,1,粘土,30,2,4,4,120,12,1.25,0.23,0.2480,0.2460,0.992,0.992,0.496,0.992,0.496,98

,承臺面積控制系數(shù)ξ：,0.90,,,,2,粘土,30,2,6,2,60,6,1.25,0.34,0.2430,0.2410,1.458,0.466,0.233,0.486,0.243,110

,承臺底地基承載力特征值fak：,150,Kpa,,,3,粘土,30,2,9,3,90,6,1.25,0.52,0.2350,0.2300,2.115,0.657,0.329,0.705,0.353,128

,樁基土承臺效應(yīng)系數(shù)ηc:,0.12,,,,4,粘土,30,2,12,3,90,9,1.25,0.69,0.2120,0.2090,2.544,0.429,0.215,0.636,0.318,155

,,,,,,5,粘土,30,2,17,5,150,11,1.25,0.97,0.1850,0.1800,3.145,0.601,0.301,0.925,0.463,210

,樁數(shù)計(jì)算,,,,,6,粘土,30,2,20,3,90,9,1.25,1.15,0.1700,0.1300,3.400,0.255,0.128,0.510,0.255,237

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,樁基承臺總凈面積Ac：,405.66,m2,,,sum,,,,,20,600,,,,0.1700,,,,1.700,4.254,2.127,237

,基樁數(shù)n:,173,根,,,,,,,,,,,,,,,,,,,,

,,,,,,附加應(yīng)力,σz:,21.84,Mpa,,,,,,,,,,,,,,

,沉降計(jì)算,,,,,自重應(yīng)力,0.1σc:,23.70,Mpa,,,,,,,,,,,,,,

,實(shí)際配樁數(shù)n：,195,根,,,,判斷：,OK,,,,,,,,,,,,,,,

,實(shí)際承臺長度L：,25,m,,,,,,,,,,,,,,,,,,,,

,實(shí)際承臺寬度B：,20,m,,,平均壓縮模量,Es:,2.0,Mpa,,,,,,,,,,,,,,

,承臺總面積A：,500.00,m2,,,平均摩阻力,qsu:,30.0,Kpa,,,,,,,,,,,,,,

,承臺實(shí)際凈面積Ac：,475.50,m2,,,,,,,,,,,,,,,,,,,,

,承臺等效寬度Bc：,17.44,m,,,,,,,,,,,,,,,,,,,,

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,基樁刺入變形影響系數(shù)ηp：,1.3,,,,,,,,,,,,,,,,,,,,,

,荷載效應(yīng)準(zhǔn)永久值組合下，作用于承臺底的總附加荷載F：,80000,KN,,,,,,,,,,,,,,,,,,,,

,按荷載效應(yīng)準(zhǔn)永久組合計(jì)算的假想天然地基平均附加應(yīng)力P0：,32,Kpa,,,,,,,,,,,,,,,,,,,,

,樁身等效直徑d:,0.4,m,,,,,,,,,,,,,,,,,,,,

,樁間距Sa：,2.4,m,,,,,,,,,,,,,,,,,,,,

,等效距徑比Sa/d:,6,,,,,,,,,,,,,,,,,,,,,

,平均樁側(cè)極限摩阻力qsu:,30.0,Kpa,,,,,,,,,,,,,,,,,,,,

,平均壓縮模量Es：,2.0,Mpa,,,,,,,,,,,,,,,,,,,,

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,樁土相互作用產(chǎn)生的沉降Ssp:,46.67,mm,,,,,,,,,,,,,,,,,,,,

,承臺底地基土附加壓力作用下中點(diǎn)沉降Ss：,218.45,mm,,,,,,,,,,,,,,,,,,,,

,沉降計(jì)算經(jīng)驗(yàn)系數(shù)ψ：,1,,,,,,,,,,,,,,,,,,,,,

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