ISKRIT / Site investigation & geotechnics / Pile capacity from CPT
Site investigation & geotechnics
Pile bearing capacity from CPT (cone penetration test) data
From CPT soundings the tool computes the ultimate pile resistance at each test location, processes the series statistically, and returns the design bearing capacity.
Open the calculator →
Free, no sign-up · interface in Russian
Standards
SP 24.13330 (table 7.16 and the CPT section), statistical processing per GOST 20522.
Input
CPT soundings: cone resistance and sleeve friction.
Output
Fu per location, statistics, Fd.
What it does
- Ultimate resistance Fu at each CPT location
- Statistical processing of the site series
- Design bearing capacity Fd
- End bearing and shaft friction accounted separately
Free and full version
Free
0 ₽
- Code-based calculations with no run limits
- Input validation and printable results
- Works instantly, no sign-up required
Full version
On request
- Save sites and soundings
- Import CPT data from Excel
- Export schedules to XLSX
- History per site
Questions
Which method is used?
The practical method based on CPT data, SP 24.13330, table 7.16.
How is the design value obtained?
By statistical processing of the Fu series across the site with a reliability factor.
More in Site investigation & geotechnics
Soil test statisticsNormative and design values per geo-element: outlier screening, AGS4 import.Soil properties & classificationVoid ratio, saturation, plasticity index, soil name per GOST 25100.Grain-size distributionSand and coarse-soil naming, d10, d60, uniformity coefficient Cu per GOST 25100.Shear · triaxial · oedometerφ and c by least squares (GOST 20522), triaxial series, Eoed and E.Plate load · pressuremeter · pumpingDeformation modulus per GOST 20276 and kf by Dupuit from field tests.Pile from soil tablesDriven and bored pile Fd per SP 24.13330 tables 7.2/7.3/7.8, 2 m sublayers.