Micropile Design - GeoStructPy

Disclaimer: This tool is intended for use by the APEC Consultancy team for preliminary geotechnical calculations only. The developers assume no liability for design decisions made based on the output of this application. All results must be verified by a qualified geotechnical or structural engineer before use in any project.

Micropile Design Calculator (Metric)

High-capacity small-diameter pile design per NSCP 2015, AISC 14th Edition, and ACI 318-14/19. Steel casing capacity is not included (potential corrosion). Reinforcing bar is at center of pile.

Section Properties

Section Diameter, D (mm)

Center Reinforcing Bar Diameter, d_b (mm)

Number of Center Bars, n

Rebar Yield Stress, f_y (MPa)

Concrete Strength, f'_c (MPa)

Concrete Cover, cc (mm)

Soil & Embedment

Restrained at Grade?

Allowable Rock End Bearing, Q_a (kPa)

Allowable Skin Friction, F_a (kPa)

Lateral Soil Capacity, P_p (kPa/m)

Height Above Grade, H (m)

Total Embedment, d (m)

LRFD Load Combinations

Enter factored loads for each combination. The governing (maximum) values will be used for design checks.

#	Load Combination	P_u (kN)	V_u (kN)	M_u (kN-m)
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