Calculation of Passive-earth Pressure on the Retaining wall.
Case:Coulomb theory(Muller-Breslau theory),Dead Load,Monotonous embankment surface,No cohesion.

Keyword

Coulomb theory,Muller-Breslau theory,Internal friction angle of soil,φ,Passive-earth Pressure coefficient,Retaining wall,friction angle between soil and wall,Total earth thrust.

Reference

・『道路土工擁壁工指針平成11年3月』（社団法人日本道路協会）
・『擁壁の設計と施工計画』（村上有誠）

Remarks

・α(°) should be smaller than φ(°).
・KP=(cos(φ+θ))^2/((cosθ)^2*cos(θ-δ)*(1-(sin(φ+δ)*sin(φ+α)/cos(θ-δ)/cos(θ-α))^0.5)^2).
・φ(°)：Internal friction angle of soil.
・δ(°)：Friction angle between soil and wall.

History

・2014/08/19：layout change.
・2009/05/09：Moved from www.am-consulting.co.jp to here.