Dynamics response ground improved using of deep improvement techniques

A variety of ground improvement techniques are used to stabilise or enhance the ground’s engineering behaviour. The emphasis is often on improving bearing capacity and/or reducing settlement risks. Of the techniques used, it is common to employ deep stabilisation or reinforcement approaches, using either deep soil mixing or vibro-stone columns. Whilst static stress-strain responses of these approaches are understood, very little work has been undertaken to look at cyclic or dynamic response of these methods. However, increasingly these methods are being used where such loading environment are common. Thus, this project will develop the fundamental understanding of cyclic and /or dynamic responses of ground treated with deep improvement methods. This will involve laboratory modelling supported by numerical analysis and potential field measurements, to firstly develop a fundamental understanding of dynamic/cyclic responses under a range of loading situations and secondly how deep improvement methods can be used more effectively under such environments.

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