Analysis of induced seismicity in geothermal reservoirs–An overview

A Zang, V Oye, P Jousset, N Deichmann, R Gritto… - Geothermics, 2014 - Elsevier
In this overview we report results of analysing induced seismicity in geothermal reservoirs in
various tectonic settings within the framework of the European Geothermal Engineering …

Laboratory hydraulic fracturing experiments on crystalline rock for geothermal purposes

L Zhuang, A Zang - Earth-Science Reviews, 2021 - Elsevier
This article reviews laboratory experimental studies on hydraulic fracturing under triaxial and
true triaxial stress conditions in crystalline rock for geothermal purposes, and places …

Acoustic emission evolution and hydraulic fracture morphology of changning shale stressed to failure at different injection rates in the laboratory

Y Zhang, Y Zhao, A Zang, A Long - Rock Mechanics and Rock Engineering, 2024 - Springer
Hydraulic fracturing has been widely used to enhance reservoir permeability during the
extraction of shale gas. As one of the external input parameters, injection rate has a …

[HTML][HTML] Mechanical behaviors of backfill-rock composites: Physical shear test and back-analysis

J **n, Q Jiang, F Gong, L Liu, C Liu, Q Liu… - Journal of Rock …, 2024 - Elsevier
The shear behavior of backfill-rock composites is crucial for mine safety and the
management of surface subsidence. For exposing the shear failure mechanism of backfill …

[LIBRO][B] Experimental rock deformation: the brittle field

MS Paterson, T Wong - 2005 - Springer
This monograph deals with the part of the field of experimental rock deformation that is
dominated by the phenomena of brittle fracture on one scale or another. Thus a distinction …

Water-weakening effects on the mechanical behavior of different rock types: phenomena and mechanisms

X Cai, Z Zhou, K Liu, X Du, H Zang - Applied Sciences, 2019 - mdpi.com
The presence of water strongly affects rock properties and would be related to a series of
geological disasters. To understand water saturation effects on the mechanical behavior of …

Study of mechanical characteristics and damage mechanism of sandstone under long-term immersion

P Han, C Zhang, X Wang, L Wang - Engineering Geology, 2023 - Elsevier
The microscopic pore structure of sandstone gradually changes under long-term immersion,
resulting in dynamic changes in the mechanical and damage properties of sandstone, which …

Time‐dependent brittle creep in Darley Dale sandstone

MJ Heap, P Baud, PG Meredith… - Journal of Geophysical …, 2009 - Wiley Online Library
The characterization of time‐dependent brittle rock deformation is fundamental to
understanding the long‐term evolution and dynamics of the Earth's crust. The chemical …

Water saturation effects on thermal infrared radiation features of rock materials during deformation and fracturing

X Cai, Z Zhou, L Tan, H Zang, Z Song - Rock Mechanics and Rock …, 2020 - Springer
This paper aims to investigate the water saturation effects on the thermal infrared radiation
(IRR) characteristics of rock materials during deformation and fracturing processes. Three …

Source analysis of acoustic emissions in Aue granite cores under symmetric and asymmetric compressive loads

A Zang, F Christian Wagner, S Stanchits… - Geophysical Journal …, 1998 - academic.oup.com
The effect of stress anisotropy on the brittle failure of granite is investigated under uniaxial
compression. Non-standard asymmetric compression tests are performed on cores of Aue …