填土的內摩擦角ψ,30,°,,,

填土的粘聚力c,0,kpa,,,

填土重度γ,18,kN/m,,,

墻高H,4.2,m,,,

地表均布荷載q,2,kpa,,,

主動土壓力系數Ka,0.33,,,,

填土當量土層厚度h,0.11,m,,,

墻頂面σa1,0.67,kpa,,,

墻底面σa2,25.87,kpa,,,

總主動土壓力Ea,55.72,kN/m,,,

土壓力合力作用點z,1.44,m,,,

墻底部M,77.45,kn*m,,,

墻底部V,57.12,kn,,,

擋土墻為磚壁時,,,,,

墻厚b,490,mm,,,

抗剪強度fv,0.17,N/mm,,,

沿通縫破壞抗拉強度ftm,0.17,N/mm,,,

承載力調整系數ra,1,,,,

矩形截面抵抗矩W,40016666.67,m,,,

沿通縫破壞時Mu,6.80,<,M=,77.45,未通過

沿通縫破壞時Vu,55.53,<,V=,57.12,未通過

,,,,,,

,,,,,,

"等

效

內

摩

擦

角(土體)

",項目,單位,結果,,

,填土重度γ,kN/m,24.6,,

,擋土墻的高度h,m,17,,

,地表均布荷載q,kN/m,2,,

,土的粘聚力c,kN/m,0,,

,墻背填土內摩擦角ψ,°,15,弧度值=,0.26

,擋土墻的墻背傾角α,°,70,弧度值=,1.22

,土的坡度β,°,15,弧度值=,0.26

,土對擋土墻背的摩擦角δ,°,15,弧度值=,0.26

,κq＝1+2*q/γ/h*Sinα*Cosβ/Sin(α+β)=,,1.01,,

,η＝2*c/γ/h=,,0.00,,

,A＝Sin(α+β)/[Sinα*Sin(α+β-ψ-δ)]^2＝,,1.68,,

,B=κq*[Sin(α+β)*Sin(α-δ)+Sin(ψ+δ)*Sin(ψ-β)]=,,0.82,,

,C＝2*η*Sinα*Cosψ*Cos(α+β-ψ-δ)=,,0.00,,

,D＝κq*Sin(α+β)*Sin(ψ-β)+η*Sinα*Cosψ=,,0.00,,

,E＝κq*Sin(α-δ)*Sin(ψ+δ)+η*Sinα*Cosψ=,,0.41,,

,Ka＝A*[B+C-2*(D*E)^0.5]=,,1.38,,

,Ea＝0.5*γ*h^2*Ka=,kN/m,4919.53,,

,ehk=Ehk/0.9H=,kN/m,2733.07,,

,按無外傾結構面計算側壓力,,,,

"等

效

內

摩

擦

角(適用于無外傾結構面的邊坡,巖石土體同樣適用)

",項目,單位,結果,,

,巖石重度γ,kN/m3,24.6,,

,擋土墻的高度H,m,17,,

,地表均布荷載q,kN/m,2,,

,巖石的粘聚力c,kN/m2,0,,

,墻背巖石綜合內摩擦角ψ,°,55,弧度值=,0.96

,擋土墻的墻背傾角α,°,141,弧度值=,2.46

,巖石的坡度β,°,0,弧度值=,0.00

,巖石對擋土墻背的摩擦角δ,°,27.5,弧度值=,0.48

,κq＝1+2*q/γ/h*Sinα*Cosβ/Sin(α+β)=,,1.01,,

,η＝2*c/γ/h=,,0.00,,

,A＝Sin(α+β)/[Sinα*Sin(α+β-ψ-δ)]^2＝,,2.19,,

,B=κq*[Sin(α+β)*Sin(α-δ)+Sin(ψ+δ)*Sin(ψ-β)]=,,1.40,,

,C＝2*η*Sinα*Cosψ*Cos(α+β-ψ-δ)=,,0.00,,

,D＝κq*Sin(α+β)*Sin(ψ-β)+η*Sinα*Cosψ=,,0.52,,

,E＝κq*Sin(α-δ)*Sin(ψ+δ)+η*Sinα*Cosψ=,,0.92,,

,Ka＝A*[B+C-2*(D)^0.5]=,