Blog Archiv1es

Underwater noise from pile-driving: measurement, modelling, and mitigation

Until a few decades ago, little thought was given to the environmental impacts of man-made underwater noise, but this has now changed, with a growing awareness of the importance of sound to marine animals resulting in a mounting concern about the possible detrimental effects of the underwater noise that we make on these animals. In …more

Posted in 2011 Meetings, Meeting, Western Australia |

Geotechnical and Geological Engineering for the Nakheel Tower, Dubai

Golder Associates is the geotechnical engineer for the Nakheel Tower in Dubai. The tower was to form the centre piece of the Nakheel Harbour and Tower development in the heart of “new Dubai”. With a planned height of over 1 km and a dead weight in excess of 2,000,000 tonnes, the tower was set to …more

Posted in 2011 Meetings, Meeting, Western Australia |

Course on Laboratory Testing in Geotechnical Engineering

Posted in 2011 Meetings, Meeting, Western Australia |

Sustainable Development of Underground Space and the Reuse of Existing Foundations

This presentation describes geotechnical issues that should be considered, but are often forgotten, drawing from the work done in the European Commission’s COST C7 committee described in the book “Hidden Aspects of Urban Planning” co-authored by the presenter and published by Thomas Telford. Numerous examples of international best practice in geotechnical engineering and underground space …more

Posted in 2011 Meetings, Meeting, Western Australia |

Design Methods for Driven Piles in Sand and Clay

Studies have show that out of all of the components of an offshore structure, the design of the foundations contains the most uncertainty. Although methods of pile construction have made enormous advances over the last 50 years, the advances in pile design have been more muted and acceptance of these advances has been slower. Recognising …more

Posted in 2011 Meetings, Meeting, South Australia and NT |

Liquefaction: Christchurch (Darfield) Earthquake 2010, My Experience and Some Issues

“Liquefaction” is a potentially catastrophic phenomenon in which saturated/near-saturated cohesionless soil loses strength due to increase in pore water pressure under rapid loading (cyclic/static). Liquefied soil may acquire a degree of mobility sufficient to permit movement from meters to kilometres. Although liquefaction has been long recognized, it was more thoroughly brought to the attention of …more

Posted in 2011 Meetings, Meeting, South Australia and NT |

Geotechnical In Situ Testing

Because geotechnical laboratory testing is often expensive, slow, unavailable, difficult to obtain undisturbed samples or only analysing a very small part of the soil, Black Geotechnical have had a focus on in-situ testing for some time. The need for higher quality data has driven Black Geotechnical to not only consider traditional in-situ tools such as …more

Posted in 2011 Meetings, Meeting, South Australia and NT |

Eastlink Tunnels – From Investigations to Design

Decision makers increasing consider tunneling as an option for developing and improving infrastructure. Tunnels can be constructed in many different ground conditions for many different uses. This presentation gives an overview of tunneling techniques, including excavation and ground support systems. This is followed in more detail by a description of the development of the design …more

Posted in 2011 Meetings, Meeting, South Australia and NT |

Anticipating Engineering Properties and Behaviour from Geological Knowledge

Skills in interpreting and understanding the geological origins of soil and rock masses, their defects, fabric and anisotropy are essential in the development of high quality ground models on which our ground engineering decisions are based. Alan’s talk will use case histories to show how important engineering properties and behaviour of the ground can be …more

Posted in 2011 Meetings, Meeting, South Australia and NT |

Jacked Piling in Australia

Jacked piling is increasingly being used in China, Japan and South-East Asia, and was introduced into Australia in 1998. Jacked piles have the advantages of being vibration free, creating minimal noise, being pollution free, having a high operational accuracy, not generating high transient driving stresses and providing a type of static load test as part …more

Posted in 2011 Meetings, Meeting, South Australia and NT |

Geotechnical Work associated with the Construction of MONA

The Museum of Old and New Art (MONA) is a landmark development consisting of almost 10,000m2 of floor area over three levels and is cut into the side of a peninsular on the banks of the Derwent River in Tasmania. The museum building includes an international standard exhibition space, gallery, theatre, administration and an art …more

Posted in 2011 Meetings, Meeting, Tasmania |

From Myth to Reality… Liquefaction in the Canterbury Earthquake

The sequence of earthquakes that struck the Canterbury Region over late 2010 and early 2011 has resulted in a tragic loss of life. Those following the tragedy from afar will have seen a stream of photographs and video of collapsed buildings with a sprinkling of images showing rockfall, landslides with flooding and ejected sand from …more

Posted in 2011 Meetings, Meeting, Victoria |

Soil and Rock Logging AS 1726 Geotechnical Site Investigations

The course aims to educate geotechnical/environmental engineers, geologists and geotechnicians who find themselves logging and/or interpreting soil and rock logs in accordance with AS 1726 – Geotechnical Site Investigations. The content assumed that the participants already have a basic understanding of soil and rock logging. The course is particularly relevant to professionals starting their careers, …more

Posted in 2011 Meetings, Meeting, Victoria |

Is selecting a TBM a puzzle?

Members of Melbourne Group and visitors are invited to attend our Technical Session on the puzzle of characterising ground conditions for, and selection, of a suitable TBM. The Technical Session will consist of two presentations. The first presentation by Andrew Campbell will outline the geological and geotechnical issues that affect tunnel design and construction methodology. …more

Posted in 2011 Meetings, Meeting, Victoria |

Geology and geomorphology of Port Phillip Bay

We are fortunate enough to have Mr Neville Rosengren back this year to guide another field trip, this time to the Bellarine Peninsula. Neville will give a presentation of the geology and geomorphology of the Bellarine Peninsula on Wednesday 11th May followed by a day trip on the Saturday to a number of selected sites …more

Posted in 2011 Meetings, Meeting, Victoria |

Geotechnical Investigation and Design for Foundation Engineering Works

For years geotechnical practitioners have commented on the failure of clients to appreciate the value of good site investigation and the benefits of obtaining more detailed information. Some of the benefits of a good ground investigation coupled with appropriate experience, analysis and design in foundation engineering projects are potential savings in construction costs, potential for …more

Posted in 2011 Meetings, Meeting, Victoria |

Ground Anchors – The importance of maintenance and inspections and some recent development

This presentation provides a brief overview of the current state of practice with respect to ground anchor technology. Particular emphasis will be placed on the importance of maintenance and inspections. Using relevant case histories, examples will be shown that illustrate the adverse effects of nil or poorly implemented maintenance and inspection programmes. Currently in Europe …more

Posted in 2011 Meetings, Meeting, Victoria |

AGS Young Geotechnical Professional’s Night

The Young Geotechnical Professionals’ Night is an opportunity to see four selected presentations by young geotechnical professionals discussing interesting and challenging aspects of their work. After the presentations, you will have a chance to catch up with friends and the presenters over drinks and finger food, and see additional posters prepared by YGP’s. The following …more

Posted in 2011 Meetings, Meeting, Sydney |

Salinity in Western Sydney

Dryland Salinity is an issue that has become increasingly apparent with urban expansion across Australia, affecting buildings, infrastructure and the environment. This presentation covers an overview of the occurrence, salinity processes, engineering issues, investigation methodologies, assessment of impacts, design related management planning / reporting, monitoring and adoption of salinity techniques within DA certification requirements. The …more

Posted in 2011 Meetings, Meeting, Sydney |

Working Platform Assessments for Tracked Plant

Every year piling rigs fall over or are subject to near misses due to inadequately prepared or maintained site surfaces – often such incidents involve potential fatalities or serious injury to operatives and extensive damage to equipment. Modern piling equipment is becoming increasingly heavy, often with higher centres of gravity, to cater for the demand …more

Posted in 2011 Meetings, Meeting, Sydney |