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Shallow Foundation Elastic Settlement (Schmertmann) Calculator

Easily calculate and compute shallow foundation elastic settlement (schmertmann) calculator with accurate equations, live formulas, and expert guidance.

Applied contact stress minus excavated surcharge.

Footing breadth.

Average cone tip resistance in influence zone.

Duration for secondary creep settlement C2.

Calculated Result
14.23 mm

Total Immediate Settlement S_e

Total Immediate Settlement S_e

14.23 mm

Settlement Mm

14.231449500035069

C1

0.95

C2

1.3397940008672038

Soil Modulus Mpa

21.25

14.23 — mm

Calculation Breakdown

  1. Applied FormulaPredicts immediate elastic settlement of footings on cohesionless granular sands using Schmertmann’s strain influence factor (I_z) method and CPT cone resistance (q_c).S_e = C_1 C_2 \Delta q \sum_{i=1}^n \frac{I_{z,i} \Delta z_i}{E_{s,i}}, \quad E_s \approx 2.5 q_c

Schmertmann Settlement Metric Output

Interactive visualization based on your current inputs

Calculated Value
0.03.67.11114Total Immediate Settlement S_e

What Is the Shallow Foundation Elastic Settlement (Schmertmann) Calculator?

This tool computes shallow foundation elastic settlement (schmertmann) calculator with high precision arithmetic.

How Does the Shallow Foundation Elastic Settlement (Schmertmann) Calculator Work?

Predicts immediate elastic settlement of footings on cohesionless granular sands using Schmertmann’s strain influence factor (I_z) method and CPT cone resistance (q_c).

Shallow Foundation Elastic Settlement (Schmertmann) Calculator Formula & Variables

The core mathematical equation utilized by this calculator is expressed as:

Se=C1C2Δq∑i=1nIz,iΔziEs,i,Es≈2.5qcS_e = C_1 C_2 \Delta q \sum_{i=1}^n \frac{I_{z,i} \Delta z_i}{E_{s,i}}, \quad E_s \approx 2.5 q_c

Predicts immediate elastic settlement of footings on cohesionless granular sands using Schmertmann’s strain influence factor (I_z) method and CPT cone resistance (q_c).

How to Use the Shallow Foundation Elastic Settlement (Schmertmann) Calculator

  1. Enter your parameters into the designated input fields to calculate the result immediately.

Step-by-Step Example Calculation

Shallow Foundation Elastic Settlement (Schmertmann) Calculator Example

Input Values:

netBearingPressureKpa:180
footingWidthM:2.2
coneResistanceQcMpa:8.5
timeYears:5
Worked Steps: Sample evaluation based on standard reference conditions.

Understanding Your Result

The calculated primary figure indicates the optimal or required mm.

Factors That Affect the Result

  • Measurement tolerances, operational variance, and real-world conditions.

When Should You Use This Calculator?

  • Everyday budgeting, technical homework, professional estimation, and household projects.

Assumptions & Limitations

  • Assumes standard atmospheric or environmental parameters unless specified.

Frequently Asked Questions

Calculation Accuracy & Reference Note

Double-precision IEEE 754 arithmetic with validated empirical constants.

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