geotechnical engineering Articles

  • West Gate Tunnel Project – West Zone Soil Nail Wall, Melbourne - Case Study

    Project: West Gate Tunnel Project – West Zone Soil Nail Wall, Melbourne Client: Geotechnical Engineering Spacer Model: GT 20 Kwik-ZIP GT 20 model spacers are being utilised by Geotechnical Engineering as internal spacers for their sheathed soil nails. The sheathed soil nails are being installed on the West Zone ...


    By Kwik-ZIP

  • Use and application of piezocone penetration testing in presumpscot formation

    Abstract: This paper examines the advantages and limitations of CPTu and SCPTu as an exploration method for geotechnical engineering of Presumpscot Formation. Discussion will include typical results of CPTu and SCPTu data for Presumpscot Formation, application and use for settlement prediction, bearing capacity analysis, slope stability evaluation, and seismic design considerations. ...

  • The Use of a Centrifuge in Geotechnical Engineering Education

    Geotechnical centrifuges have been seen to date principally as research machines. A role is now suggested in which centrifuges of modest size and cost can contribute usefully to the education and training of geotechnical engineers in college laboratories. One such machine, which has been used in teaching for 15 years, is described, and examples of the results of a series of simple demonstrations ...


    By ASTM International

  • Measurement of In Situ Density of Sand in a Chamber by Using a Thermal Conductivity Penetrometer

    Reliable in situ testing during soil exploration is of great help to geotechnical engineers in design considerations. This paper describes the theory and the laboratory test results for determination of the density of a sand with a quasi-static penetrometer by measuring its thermal conductivity. Effects of disturbance caused by the penetrometer have been studied. It is shown that it is possible ...


    By ASTM International

  • Use and application of Piezocone Penetration testing in Presumpscot Formation

    Abstract: This paper examines the advantages and limitations of CPTu and SCPTu as an exploration method for geotechnical engineering of Presumpscot Formation. Discussion will include typical results of CPTu and SCPTu data for Presumpscot Formation, application and use for settlement prediction, bearing capacity analysis, slope stability evaluation, and seismic design considerations. Intent is to ...

  • Geotomography in Site Investigation: Simulation Study

    Tomography is the reconstruction of images from measurements of line integrals. It is used in a variety of scientific and technical applications. Advances in electronics and computers make the technique accessible to geotechnical engineering. The combination of penetration testing and tomographic reconstruction would result in a powerful site investigation tool.A tomographic software was ...


    By ASTM International

  • The Use of Hall Effect Semiconductors in Geotechnical Instrumentation

    For the past five years or so Hall effect semiconductors have been increasingly used in the geotechnical engineering laboratories at the University of Surrey. They have been incorporated as sensing elements in local radial and axial strain measuring devices, for the small-strain instrumentation of triaxial specimens, and in small diameter boundary normal and shear stress cells. Triaxial internal ...


    By ASTM International

  • A New Method to Measure the Effective Porosity of Clays

    The effective porosity is a required parameter for the mass flow rate calculations in groundwater hydrogeology. It is also a useful parameter in geotechnical engineering. In this paper, a methodology based on the tracer analysis technique is proposed to measure the effective porosity of clays. A test apparatus was developed and operational conditions were optimized to measure the effective ...


    By ASTM International

  • Influence of Pharmaceutical Effluent on the Physico – Chemical Behavior and Geotechnical Characteristics of Clayey and Silty Soils

    Single soil – column studies were carried out to understand the influence o harmaceutical effluent (industrial type) on the physico – chemical behaviour and on the index and strength properties of five soils (two commercial and three natural soils) due to artificial contamination extending to nearly 250 days period. Two modes of operation, two HRTs and two concentrations of effluents, ...

  • Fire access lane test - Case Study

    The GEOBLOCK porous pavement system is a series of interlocking blocks designed to offer turf protection and load support in areas used by heavy vehicles. The blocks create a flexible structure bridge system within the topsoil layer to support and distribute concentrated loads. The system is used successfully for a wide range of applications, including emergency vehicle access lanes, auxiliary ...


    By Presto Geosystems

  • Tyre aggregate applications in geotechnical and geoenvironmental engineering

    A Tyre Aggregate (TA) is made from scrap/waste rubber tyres. Four types of tyre aggregates are classified, namely the coarse-grained, fine-grained, random and composite tyre aggregates. Applications of these tyre aggregates are varied, but they are often used as geomaterial fills and highway-pavement components. More recently, TA has found application in geoenvironmental engineering. This paper ...


    By Inderscience Publishers

  • PLATE COMPACTOR

    A plate compactor is a very basic machine in construction machinery. It is used to compact soil, granite, and other materials, especially in roadway building, foundation establishing and other construction projects. It is a machine or mechanism used to reduce the size of material such as waste material or biomass through compaction. The plate compactor (vibratory rammer) has a large vibrating ...

  • Need of Surveillance and High Quality Monitoring

    With the rise in unwanted scenarios in nature due to the man-made activities in the environment a severe need for proper surveillance of various disasters causing factors is a must in the current prevailing situations. An uncountable millions of lives are being lost every year due to accidents or natural calamities. The squandering caused by such undesirable phenomena’s can be curtailed by ...


    By Soldata Limited

  • Random fields in SVSlope and SVFlux

    Geotechnical engineering, as a general practice, has always struggled with quantifying the significant amount of variability that can be present at any given site. There may be variability present in field sampling methods, equipment, lab testing procedures, level of training of field personnel, or many other such factors. One particular problematic aspect of slope stability analysis is the ...


    By SoilVision Systems Ltd.

  • Why perform 3D slope stability analysis

    Background The benefits associated with performing 3D slope stability analyses were expounded by Dr. Del Fredlund in the 1970s.  Over the years a number of 3D methods of analysis have been researched. These methods have ranged from the method of columns to approaches based on variational calculus, and more recently, the use of dynamic programming. The interest in 3D slope stability analysis ...


    By SoilVision Systems Ltd.

  • ECSMGE CONFERENCE 2015: Managing the Clogging of Groundwater Wells

    This is the poster or summary of a paper being presented at the XVI ECSMGE  - European Conference on Soil Mechanics & Geotechnical Engineering - in Edinburgh from 13th to 17th September 2015. Groundwater wells are common to many civil engineering projects and their operational performance can play a crucial role. The wells may be part of a construction dewatering system, ...


    By Geoquip Water Solutions

  • 4 reasons why you should use data telemetry

    You might be most familiar with real-time data and analytics in the context of dynamic business trends, the stock market and financial applications. After all, these scenarios require a  real-time data feed in order to make decisions quickly, be pro-active and maintain the ability to stay ...


    By BeadedStream LLC

  • Varian Semiconductor Equipment Assoc. Inc. – Gloucester, MA - Case Study

    Producing the heavy equipment that makes semiconductors and other chips demands a tremendous amount of electricity, so this publicly-traded company sought ways to cut massive utility bills and pursue renewable power sources. Varian Semiconductor Equipment, a division of Applied Materials Inc., is located in an industrial park in Gloucester, MA. The Cape Ann hilltop location offered prospects for ...

  • Q&A with Karan Jalota, Application Specialist - Roads & Rail

    In 2004, Dr. J.P. Giroud and Dr. Jie Han advanced the field of geosynthetics when they published their methodology for applying geosynthetics in unpaved structures in the ASCE Journal of Geotechnical and Geoenvironmental Engineering. The methodology has since been adopted by the Federal Highway Administration in 2008, and is considered at the forefront among industry professionals. Karan Jalota, ...


    By Nilex

  • Lessons Learned from Large Diameter Sanitary Sewer Pipe Bursting Project: Conversion of Abandoned Gravity Sewer Main Into Upsized Sanitary Force Main South San Francisco, CA

    ABSTRACTAs an increasing number of large diameter pipe bursting jobs are attempted, more is being learned about the capabilities and potential of pneumatic pipe bursting. The large diameter pipe bursting project in South San Francisco is one of the most challenging and innovative bursting projects ever attempted in North America. It is being heralded as a landmark pipe bursting job. ...

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