It is well known that geomembranes frequently and easily fail at the seams, which has been a ubiquitous problem in various applications. To avoid failure of geomembrane photocuring was carried out with 1~5% photoinitiator 2% carbon black powder. This can be sprayed cured on soil surface. The obtained then used as barrier, separator, or reinforcement. In this study, direct shear tests were aim t...

Insoluble monolayers on water have been patterned at the macroscopic scale (i.e., at the centimeter scale of the flow apparatus) as well as the mesoscopic scale (i.e., down to the micron scale resolvable via optical microscopy). The macroscopic patterning at the air/water interface results from a hydrodynamic instability leading to a steadily precessing flow pattern. The velocity field is measu...

Needle-punched geosynthetic clay liner (NPGCL) has been widely used in landfills. The internal strength of the GCL changes with temperature variation, which affects its application A large-scale temperature-controlled direct shear apparatus was developed to study characteristics affected by temperature. dependent on bentonite, fibers, and interaction between fibers bentonite. influence mainly r...

In the literature ample attention is given to the assumptions on which the interpretation of shear-test results from a Jenike shear tester are based. Very little is said, however, about the influence on the test data of the construction of the apparatus itself. In the work described here, the authors have investigated the influence of the loading mechanism on the results. The original Jenike-ty...

The simulation of large-strain geotechnical laboratory tests with conventional Lagrangian finite element method (FEM) techniques is often problematic due to excessive mesh distortion. multiple reversal direct shear (MRDS) test can be used measure the residual strength soils in a setting. However, modelling and generally require advanced numerical methods accommodate large strains concentrated p...

Fluid injection has been applied in many fields, such as hazardous waste deep well injection, forced circulation in geothermal fields, hydraulic fracturing, and CO2 geological storage. However, current research mainly focuses on geological data statistics and the dominating effects of pore pressure. There are only a few laboratory-conditioned studies on the role of drilling boreholes and the ef...