TabLogs - now available on iOS devices
TabLogs - the world's fastest growing software for geotechnical and environmental engineers - has just released a massive update to enhance their field collection capabilities! TabLogs has released t...
Rocscience Inc.'s Rocscience Course: Tailings Dams Stability Analysis: Recent Advances in Numerical Analysis & 3D Modelling begins on Dec 7th 2023
Rocscience Inc.'s Rocscience Course: Tailings Dams Stability Analysis: Recent Advances in Numerical Analysis & 3D Modelling begins on Dec 7th 2023
Create a free account and view content that fits your specific interests in geotechnical engineering Learn More
Latest News
Video shows the moment soil nail wall collapses in Coquitlam, Canada
The collapse of what appears to be a soil nail wall, used to retain a vertical excavation in Coquitlam, British Columbia, was caught on video on Wednesday, November 29. Furthermore, the failure occu...
New animated tutorial "Slope stability analysis: Planar analysis and Culmann's method" now available on YouTube!
We are happy to share the first video of our new animated tutorial series! Our first video is a tutorial on slope stability analysis. More specifically, it is about planar analysis and Culmann’s m...
Slope Stability: Single Free-Body Procedures
NewAs discussed in Mechanics of Slope Stability, the most widely used approach for assessing both 2-dimensional and 3-dimensional slope stability is the Limit Equilibrium Method (LEM), i.e., ...
41 trapped tunnel workers rescued after 17 days in India
The operation to rescue 41 workers trapped in a collapsed tunnel in India ended successfully on late Tuesday, November 28. Furthermore, as was previously reported, the workers had been trapped appro...
Industry Section
Clearwater River Flood Mitigation Solution by Keller North America
The Regional Municipality of Wood Buffalo has a long history of overland flooding since 1835, with 17 notable floods, mostly caused by ice jams as the river breaks up. The Municipality has begun a mu...
Vibro Piers®Ground Improvement at Print Shop Apartment Complex
Keller's design-build Vibro Pier® ground improvement system was the first approved and used in Clark County, Nevada. Built on a parcel of land previously occupied by a screen printing and embroidery...
Keller ranks #1 on 2023 ENR List
Engineering News Record (ENR) ranks Keller #1 Excavation and Foundation firm for 2023. This is Keller’s fifth year holding this top position. Before 2019, this position was held by Keller company H...
Introduction to Foundation Engineering using Terzaghi’s Bearing Capacity Equation
Helical pile foundation design is an engineering science, thanks in part to the work of Austrian mechanical engineer Karl von Terzaghi. Learn more about using his equation in this introduction to fou...
John Wolosick receives Distinguished Service Award
With 45 years in the industry, John is an expert in soil nailing, slope stabilization, and anchored earth retention. Before joining Keller (then Hayward Baker) in 1996, John held various roles in en...
On This Day
Editor's Pick
GeoWorld reaches 30,000+ members!
GeoWorld, the largest online professional networking site for geotechnical engineers and associated fields, has now reached 30,000+ active members listed from the worldwide community! GeoWorld was...
Upcoming Events
Rocscience Course: Tailings Dams Stability Analysis: Recent Advances in Numerical Analysis & 3D Modelling
Course Details Date: December 7th - 8th, 2023 Venue: Intercontinental Hotel - Gümüşsuyu Mah. Asker Ocağı Cad. No:1 Taksim 34435, İstanbul, Turkey Schedule: 9 am to 5 pm Instructors: This course will...
Seequent Webinar: Ground to Cloud Part IV
The Ground to Cloud Webinar series is for gINT and HoleBASE users investigating a migration to OpenGround and existing OpenGround users. We profile a company’s journey to OpenGround, drill into a few...
Bentley Coffee Corner: Geotechnical Analysis - Practical Use of PLAXIS 3D for the Analysis of Suction Buckets Second Generation of Eurocode 7 - Ground Properties The 5th International Conference on Geotechnics for Sustainable Infrastructure Development "The Future of Water and the Vision for the CSI", part of "The future of Infrastructure today!" webinar series 16th International Conference on Structural and Geotechnical Engineering
Video Of The Day
Publications
Continuous soil deformation measurement and tracking during triaxial testing Hydromechanical characterization of the behaviour of Chateau-Landon chalk The short DMTA dissipation test Monotonic and cyclic behaviour of sand-silt mixtures through the equivalent state parameter Rheological behavior of granular materials under different relative densities Measurement of subgrade soil permanent deformations under repeated loadings during simple in-situ test Subsoil stiffness effects on the bridge-abutment dynamic behaviour Towards a monitoring tool to quantify urease during biocementation treatment at microscale Development of tools to investigate biocementation - microscale analysis for studying bacterial solutions Using X-ray micro CT imaging data to obtain particle morphology and soil fabric parameters
Education
Audio recording of Terzaghi's opening lecture for Engineering Geology at Harvard University and Ralph B. Peck's special lecture
We are very happy to share with you a rare tape, which includes recordings of Karl von Terzaghi and Ralph Peck. The introduction was recorded by Dr. Ralph B. Peck at his home in Urbana, Illinois on A...
Rockfall Hazard Mitigation
In general, protection measures can be distinguished into two main categories: engineered and non-engineered measures (Turner and Schuster, 2012). Engineered protection measures...
9.2. Example Problems
Problem 9.1 A square footing of width 2.25m is founded at depth of 1.5m on a sand layer which has the following shear strength properties: c=0, φ=38͒. Determine the total ultimate bearing capacity...
9.1. Bearing Capacity
Definitions Fig.2 shows the relationship between the settlement and the applied stress on the soil surface. Curve C1 refers to dense soils (general failure), while Curve C2 refers to lose...
Chapter 9: Bearing Capacity of Shallow Foundations
A foundation is considered as shallow when its width is greater than its embedment depth (Df ≤ B). Figure 1: Definition of shallow foundation When the ground surface level is different betwee...
3.3. Graphical Generation of Flow Nets
Flow Nets - Confined Flow Number of flow channels partitions nf = 4 Number of equipotential drops nd = 9 nf/nd = schematic flow net coefficient = 4/9=0.44 A-B: first equipotential...
3.2. Two Dimensional Flow
When flow is two-dimensional, simple application of Darcy’s law is not enough for the solution of the problem. Considering flow in the x-z plane through a soil particle dx,dy,dz Vεισ= volume...
Determining Norsand parameters in Plaxis 2D
By Sally Simpson, 12 May 2023
Using HS Small in Plaxis 2D24 Feb 2023
Contact for GeoPrediction CompetitionBy Vincent Bongioanni, 29 Nov 2022
Books
2023 Geotechnical Business Directory
This unique annual business directory includes 32,000+ professionals and 1,000+ companies and organizations in the geotechnical engineering profession. Powered by GeoWorld, the professional network fo...
Practical Soil Dynamics
The objective of this book is to fill some of the gaps in the existing engineering codes and standards related to soil dynamics, concerning issues in earthquake engineering and ground vibrations, by...
Practical Guide to Green Technology for Ground Engineering
Over the last 50 years there has been rapid development of construction techniques, analytical methods and materials for use in ground engineering. One of the major techniques which has been developed...