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2021 Queensland Symposium
QLD Geotechnics - Major Projects and Innovations
Ross McDonald, Henry Unwin, Chaminda Gallage, Benoit Wentzinger, Graeme Jardine
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61st Rankine Lecture Repeat, Sydney
Constitutive Modelling in Computational Geomechanics
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Performance-Based Design In Geotechnical Engineering
52nd Rankine Lecture 2012
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Assessment of ground vibration from ground treatment techniques
The choice of ground treatment methodology is often dictated by issues such as noise, vibration, dust and other such impacts on the surrounding environment. This paper presents a collection of vibration monitoring data from Australian projects and published data. The intent of this paper is to assist in the initial consideration of various ground treatment methodologies on the surrounding environment.
Based on the results of recent vibration monitoring and a review of other published data, a revised formula is presented for estimating ground vibrations. Empirical constants are also provided to allow initial estimates of ground vibrations borne from different ground improvement techniques.
Based on the research presented herein, in order to have ground vibrations less than 10mm/sec the typical distances from various ground treatment methods are as follows:
- Conventional Earthworks (large dozer) – 1 metre offset
- Piling – 16 m offset
- Impact Compaction – 18 m offset
- Dynamic Replacement – 48 m offset and
- Dynamic Compaction – 70 m offset.
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The Lessons From The Yallourn Enquiry
Tim Sullivan