Search Results - "Oreste, P. P"

Distinct analysis of fully grouted bolts around a circular tunnel considering the congruence of displacements between the bar and the rock by Oreste, P.

“…This paper presents a new calculation procedure for the analysis and dimensioning of fully grouted radial bolts in tunnels. This procedure is based on the…”
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Stabilisation of the Excavation Face in Shallow Tunnels Using Fibreglass Dowels by Oreste, P. P., Dias, D.

“…Stability of the excavation face in shallow tunnels excavated in poor rock is at present a relevant problem in tunnelling. Even though face reinforcement with…”
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Analysis of the Importance of the Filling Material Characteristics Injected Around the Precast Concrete Lining in the Microtunnelling Technology by Benato, A., Gaida, E., Oggeri, C., Oreste, P.

“…Microtunnelling is an excavation technique capable of positioning underground pipes with considerable advantages from the point of view of the environment,…”
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Experimental and numerical studies on rock breaking with TBM tools under high stress confinement by INNAURATO, N, OGGERI, C, ORESTE, P. P, VINAI, R

“…The understanding of rock breaking and chipping due to the TBM cutter disks mechanism in deep tunnels is considered in this paper. The interest stems from the…”
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Theoretical and Experimental Results from Laboratory Tests by ILCM by Cardu, M., Rispoli, A., Iabichino, G., Oreste, P., Vagnon, F.

“…The intermediate linear cutting machine (ILCM) is a machine designed to work on an intermediate scale between the full- and the small-scale. The reduced scale…”
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A numerical approach to the hyperstatic reaction method for the dimensioning of tunnel supports by Oreste, P.P.

“…The hyperstatic reaction method is particularly suitable for the dimensioning of support structures. This method simulates the interaction between the support…”
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Hyperstatic Reaction Method for the Design of U-Shaped Tunnel Supports by Du, D. C, Dias, D, Do, N. A, Oreste, P. P

“…AbstractThis paper presents a numerical hyperstatic reaction method (HRM) for analyzing U-shaped (with inverted arch) tunnel structures. A comparison of the…”
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Analysis of structural interaction in tunnels using the covergence–confinement approach by Oreste, P.P

“…The rock-support interaction in tunnels is studied through the use of the convergence–confinement method. The equations that characterize the behaviour of the…”
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Subsurface geological-geotechnical modelling to sustain underground civil planning by de Rienzo, F., Oreste, P., Pelizza, S.

“…The aim of the paper was to document the use of 3D subsurface geological-geotechnical modelling to optimise the planning and development of subsurface…”
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A simplified model to study the behavior of pre-tensioned fully grouted bolts around tunnels and to analyze the more important influencing parameters by Ranjbarnia, M., Fahimifar, A., Oreste, P.

“…This paper develops an analytical method to obtain distribution of the axial force in the pretensioned fully grouted rockbolts around a circular tunnel. For…”
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Laboratory tests to study the influence of rock stress confinement on the performances of TBM discs in tunnels by Innaurato, N., Oggeri, C., Oreste, P., Vinai, R.

“…To clarify some aspects of rock destruction with a disc acting on a high confined tunnel face, a series of tests were carried out to examine fracture…”
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An analysis of the action of dowels on the stabilization of rock blocks on underground excavation walls by Oreste, P. P., Cravero, M.

“…Summary Underground excavation in fractured rock masses can lead to instability of rock blocks on its perimeter. Among the stabilization measures that are…”
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Semi-synthetic heparinoids by Oreste, P, Zoppetti, G

“…New chemical-enzymatic technology based on the modification of the bacterial polysaccharide K5 from Escherichia coli leads to the synthesis of a number of…”
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Ostreopsis ovata and human health: epidemiological and clinical features of respiratory syndrome outbreaks from a two-year syndromic surveillance, 2005-06, in north-west Italy by Durando, P, Ansaldi, F, Oreste, P, Moscatelli, P, Marensi, L, Grillo, C, Gasparini, R, Icardi, G

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Topical delivery of diclofenac into and across equine skin from a novel liquid diclofenac epolamine formulation by del Río-Sancho, S., Concas, D., Oreste, P., Zoppetti, G., Briggs, P. H., Kalia, Y. N.

“…The aim was to investigate diclofenac delivery into and across equine skin in vitro using Franz diffusion cells from a novel diclofenac epolamine (DIC‐EP;…”
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The Dimensioning of Dowels for the Stabilization of Potentially Unstable Rock Blocks on the Walls of Underground Chambers by Oreste, P. P.

“…The analysis of dowels (non pre-stressed passive reinforcements) for the stabilization of potentially unstable rock blocks due to sliding is one of the most…”
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A procedure for determining the reaction curve of shotcrete lining considering transient conditions by ORESTE, P. P

“…The mechanical behaviour of a shotcrete lining is analysed in this paper using the convergence-confinement approach. A calculation procedure is presented which…”
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Correlated probabilistic analysis of the excavation times and costs in tunneling by Oreste, P.

“…A new calculation procedure, called PACT, is presented for the probabilistic analysis of the construction times and costs of tunneling. Once the tunnel…”
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Prediction of penetration per revolution in TBM tunneling as a function of intact rock and rock mass characteristics by Benato, A., Oreste, P.

“…A new empirical formulation is presented which can be used to estimate the penetration-per-revolution for TBM tunneling, derived from TBM monitoring data of…”
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Designing of radial bolting in tunnels by Oreste, P.

“…The effect of geometrical and mechanical parameters of bolting on the stress-strain state of rock mass around a tunnel is estimated using a specifically…”
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