Multi-scale characterization of monument limestones

Physical-mechanical characterization of hydraulic and non-hydraulic lime based mortars for a French porous limestone

The focus of the study presented in this paper is to provide reliable criteria that can be used to estimate the degree of compatibility between the French limestone tuffeau and mortar. It is suggested through this study to use the same parent material (i.e., tuffeau) as mortar. The mortar used in this study is composed of non-hydraulic (hydrated) lime or hydraulic lime and aggregates obtained from fragments and powder of the tuffeau stone. Water transfer properties and mechanical behaviour of the mortars are evaluated and compared with the original stone Tuffeau. Based on these studies, some k…

法国O-ZNS观测站博斯含水层包气带裂隙石灰岩的岩石物理表征

Petrophysical Characterization of Fractured Limestone from Beauce Aquifer Vadose Zone (O-ZNS Observatory, France)

针对法国博斯含水层包气带石灰岩多尺度非均质性导致的储层属性预测不确定性问题，结合微观结构与岩石物理分析16块样品，识别出两类岩相以改进储层与流动模型，同时指出后续需量化大孔隙与风化的关联及评估电法渗透率模型。

Reconstruction of three-dimensional porous media using generative adversarial neural networks

To evaluate the variability of multi-phase flow properties of porous media at the pore scale, it is necessary to acquire a number of representative samples of the void-solid structure. While modern x-ray computer tomography has made it possible to extract three-dimensional images of the pore space, assessment of the variability in the inherent material properties is often experimentally not feasible. We present a novel method to reconstruct the solid-void structure of porous media by applying a generative neural network that allows an implicit description of the probability distribution repres…