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The standard penetration test (SPT) is an in-situ dynamic penetration test designed to provide information on the geotechnical engineering properties of soil. The test procedure is described in the British Standard BS EN ISO 22476-3 and ASTM D1586

Various SPT equipments have been developed for different type of drill rigs and applications in different situations

SPT blow counts obtained from the field tests, must be corrected / normalized for: Energy level correction N Borehole diameter correction Sampler type correction Rod length correction Water level correction N 60 N1 60 Overburden (depth) correction

How N 60 and N1 60 are used in geotechnical engineering interpretations?

N 60 and N1 60, magic numbers!

Geoscientists and researchers have carried out numerous efforts to correlate SPT blow counts to geotechnical soil properties: Physical properties Mechanical properties Bearing capacity Settlement analysis Liquefaction analysis Correlation to other penetrometers

Introduction to encyclopedia of SPT correlations NovoSPT (SPT Correlations Software) Designed & developed by: Novo Tech Software Ltd. Vancouver, Canada All rights reserved www.novotechsoftware.com

NovoSPT Software

NovoSPT Software

NovoSPT More than 260 correlations are in palm of your hand

NovoSPT Software Input Data

NovoSPT Software Correlated Parameters All SPT correction factors Soil compactness Modulus of elasticity (Es) Shear modulus (Gmax) Undrained shear strength (Su) Internal angle of friction (F) Relative density (Dr) Shear Turn off/on wave correlations velocity (Vs) which are not Liquefaction applicable to your CRR soil type or region Equivalent Becker density Equivalent CPT tip resistance (qc) Equivalent Wildcat penetrometer blows Pressuremeter deformation modulus Deformation modulus (mv) Inferred unit weight (g) Modulus of subgrade reaction (Ks) OCR for clays D10 for granular soils Initial stiff modulus (Go) Bearing capacity of shallow and deep footing Choose parameter Foundation settlement List of all correlations for a soil parameter, plus the country where field data was collected Schematic soil profile

NovoSPT Software Soil Type Filter (new in version 2.1) - This new feature shows each correlation is applicable to what soil type - User can filter and show only the correlations applicable to that soil type, at each depth

NovoSPT Software Correlated Parameters Zoom Print Save as Excel file Save as image file

NovoSPT Software Correlation Along Borehole Depth Choose parameter Turn off/on correlations which are not applicable to your soil type or region Comparison of correlated parameter along depth of borehole List of all correlation methods

NovoSPT Software Import SPT data from gint files Database structure Schematic soil layers and SPT plot All type of SPT data storage are supported SPT blow counts for selected borehole

NovoSPT Software Bearing Capacity / Settlement Analysis Burland & Burbidge, 1985 Terzaghi Meyerhof, 1976 Parry, 1977 Peck et al., 1974

NovoSPT Software Wildcat Penetrometer Module

NovoSPT Software Report Manager

NovoSPT Software User manual (Help)

Our other software solutions: Cone Penetration Test (CPT) Interpretation Software (NovoCPT): for interpretation of CPTu including liquefaction analysis, foundation settlement analysis and pile bearing capacity analysis (LCPC) tools. Liquefaction Analysis Program (NovoLiq): based on 10 different methods for calculating Cyclic Resistance Ratio (CRR), with more than 55 options for other formulas, including post-liquefaction lateral displacement and settlement... VisLog: This powerful program is designed for visualizing geotechnical/geological borehole logs and automatically drawing soil profiles. 3D environment and easy zoom and rotation features make it so easy to work with VisLog... Beam Section Properties (BeamProps): This software is used to calculate beam section properties such as area, moment of inertia, radius of gyration, etc. for more than 25 sections and shapes... SMTP: is a comprehensive solution for processing soil mechanics laboratory tests such as sieve test, Aterberg limits, moisture and density, direct shear, triaxial, compaction, permeability, etc and designing borehole logs. LateralK: Calculating lateral earth ressure coefficient program in static (Rankine/ Coulomb) and earthquake (Mononobe/ Okabe) conditions... Peysanj: A complete set of geotechnical modules for bearing capacity and settlement of shallow footings, pressure-meter test, plate load test, liquefaction analysis, lateral earth pressure coefficients, and more...

Thank you for watching Visit us today and download your own NovoSPT www.novotechsoftware.com

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