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List of products by author: D. Martinelli
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New study to assess the geomechanical behavior of the expansion of the Rodoretto talc mine
Abstract: The paper describes the study carried out in the Rodoretto mine to verify the behavior of the mine infrastructure after a new exploitation extension. Due to a complex geometry and variability in the geology, the new stress distribution around mine infrastructures has been assessed by using numerical methods. Using an ideal elasto-plastic model also the yielding zone distribution has been...
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Soil conditioning of volcanic soil using low environmental impact agents
Abstract: EPB technology is an effective tunnelling method in urban areas when surface settlements must be avoided by controlling face stability and underground water inflow. Soil conditioning plays a major role on this aspect, although the use of additives should be limited encouraging the use of low environmental impact products. This paper analyses the conditioning process of the EPB used for the...
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Use of bentonite and biodegradable slurry for cobble -rich soil conditioning
Abstract: Cobble-rich soils are always a difficult challenge for EPB-TBM tunnelling and the traditional soil conditioning through water and foam may not lead to suitable results. The addition of bentonite slurries is helpful to solve this problem but may be impaired by environmental regulations, in such cases the use of a biodegradable polymeric slurry may be a viable solution. This paper makes a...
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