Results 21 to 30 of about 388,680 (332)
Research and application of small-diameter hydraulic fracturing in situ stress measurement system [PDF]
Geoscientific Instrumentation, Methods and Data SystemsObservation and estimation of the stress state in the deep crust is a crucial challenge in in situ stress measurement work. The hydraulic fracturing method is an important borehole-based technique for absolute in situ stress measurement.
Y. Liu +5 more
doaj +1 more source
Energy Reports, 2022 Adopting 47 sets of in situ stress measurements taken at depths ranging from 417 to 1123 m in a coal mining district in central China by the overcoring method, we characterize the magnitude and orientation of the current stress field and its relationship
Peng Li +4 more
doaj +1 more source
Ultrasonic metal sheet thickness measurement without prior wave speed calibration [PDF]
, 2013 Conventional ultrasonic mensuration of sample thickness from one side only requires the bulk wave reverberation time and a calibration speed. This speed changes with temperature, stress, and microstructure, limiting thickness measurement accuracy ...
Dixon, S. +4 more
core +1 more source
You-qi chuyun, 2022 In-situ stress is an important basic data for determining the top and bottom limit of operating pressure of underground gas storage, evaluating the stability of geological body and analyzing the fault activity in the storage area.
Yuehui YANG +6 more
doaj +1 more source
An Empirical Study Comparing Unobtrusive Physiological Sensors for Stress Detection in Computer Work. [PDF]
, 2019 Several unobtrusive sensors have been tested in studies to capture physiological reactions to stress in workplace settings. Lab studies tend to focus on assessing sensors during a specific computer task, while in situ studies tend to offer a generalized ...
Akbar, Fatema +3 more
core +2 more sources
Modification of the CSIRO method in the long-term monitoring of slope-induced stress
Frontiers in Earth Science, 2022 The in situ stress measurement technique can be used in long-term monitoring of induced stress to obtain three-dimensional stress states in slope engineering.
Zhihao Jin +6 more
doaj +1 more source
Comparison of new in situ root-reinforcement measuring devices to existing techniques [PDF]
, 2015 Mechanical root-reinforcement is difficult to quantify. Existing in-situ methods are cumbersome, while modelling requires parameters which are difficult to acquire.
Bengough, A. G. +4 more
core +3 more sources
In Situ Stress Measurements During Copper Deposition [PDF]
ECS Meeting Abstracts, 2006 Abstract not Available.
Gery Stafford, Carlos Beauchamp
openaire +1 more source
On-sample water content measurement for a complete local monitoring in triaxial testing of unsaturated soils [PDF]
, 2012 To provide a complete local monitoring of the state of an unsaturated soil sample during triaxial testing, a local water content measurement device was adapted to a triaxial device comprising the measurement of local displacements (Hall effect ...
Cui, Yu-Jun +3 more
core +6 more sources
Compensation of the skin effect in low-frequency potential drop measurements [PDF]
, 2016 Potential drop measurements are routinely used in the non-destructive evaluation of component integrity. Potential drop measurements use either direct current (DC) or alternating current (AC), the latter will have superior noise performance due to the ...
Corcoran, J, Nagy, PB
core +2 more sources