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15-Moonstone
September 26, 2026
Question

P-y Curve

  • September 26, 2026
  • 1 reply
  • 37 views

Dear all 
I want to do iteration of p-y curve of Pile using Mathcad prime
formulas

and the minimum result format should be
 

Depth (m) y (m) y (mm) Theta (rad) Moment (kNm) Shear (kN) p (kN/m) Es (kN/m2) Mobilized (%) Verified (R=0)

 

this is some basic input 
COMBINE SOIL PARAMETER                
SOIL TYPE    Z    A+Y_50    pu_sand+pu_clay    k
    m    m    kN/m    
"    CLAY (Matlock)"    1.5    2.03    216    0
"    CLAY (Matlock)"    3    1.03    302.4    0
"    CLAY (Matlock)"    4.5    0.93    453.6    0
"    CLAY (Matlock)"    6    0.93    691.2    0
"    CLAY (Matlock)"    7.5    0.93    777.6    0
"    CLAY (Matlock)"    9    0.93    961.2    0
"    CLAY (Matlock)"    10.5    0.915    1922.4    0
"    CLAY (Matlock)"    12    0.915    1922.4    0
"    CLAY (Matlock)"    13.5    0.915    2084.4    0
"    CLAY (Matlock)"    15    0.915    2203.2    0
"    CLAY (Matlock)"    16.5    0.915    1652.4    0
"    CLAY (Matlock)"    18    0.915    1771.2    0
"    CLAY (Matlock)"    19.5    0.915    2397.6    0
"    CLAY (Matlock)"    21    0.915    2397.6    0
"    CLAY (Matlock)"    22.5    0.915    2602.8    0
"    CLAY (Matlock)"    24    0.915    2678.4    0
"    CLAY (Matlock)"    25.5    0.915    2602.8    0
"    SAND (API Reese)"    27    0.96    20139.7771    16.3
"    SAND (API Reese)"    28.5    0.96    22315.20146    16.3
"    SAND (API Reese)"    30    0.96    24601.84138    16.3
"    CLAY (Matlock)"    31.5    0.915    2008.8    0
"    CLAY (Matlock)"    33    0.915    2278.8    0
"    CLAY (Matlock)"    34.5    0.915    2397.6    0
"    CLAY (Matlock)"    36    0.915    2484    0
"    CLAY (Matlock)"    37.5    0.915    2559.6    0
"    CLAY (Matlock)"    39    0.915    2602.8    0
"    CLAY (Matlock)"    40.5    0.915    2721.6    0
"    CLAY (Matlock)"    42    0.915    2721.6    0
"    CLAY (Matlock)"    43.5    0.915    2872.8    0
"    CLAY (Matlock)"    44    0.915    2754    0
thank you 

1 reply

21-Topaz II
September 28, 2026

This is my first attempt (subject to error checking) that may prompt better answers to the problem and/or spot errors in the worksheet.  Many minds make a difference.

 

Cheers

Terry