Internal friction is an important contribution to protein dynamics at all stages along the folding reaction. Even in unfolded and intrinsically disordered proteins, internal friction has a large influence, as demonstrated with several experimental techniques and in simulations. However, these methods probe different facets of internal friction and have been applied to disparate molecular system...

inspecting the behavior of the rockfill materials is of significant importance in analysis of rockfill dams. since the dimensions of grains in such materials are greater than the conventional sizes suitable for soil mechanics tests, it is necessary to experimentally study them in specific large-scale apparatuses. in this research, the behavior of rockfill materials in two large rockfill dams co...

Geologic material properties of hillslopes are inherently heterogeneous, with complex layering structures due to geological deposition processes. Lacking detailed sampling the properties’ spatial distribution has led stochastic representation address uncertainty in hillslope stability evaluation. This study treats distributions shear strength parameters, cohesion (c), and internal friction angl...

Several plant species have been studied as reinforcement elements against landslides at slopes, either to protect the splash effect offered by shoots or anchoring soil root system. The objective of this work was investigate influence roots from shrub over mechanical attributes such cohesion and angle internal friction São Francisco riverbank, northeastern Brazil. A trench excavated under treeto...

Abstract This study aimed to solve the problem ignored by previous research on hydraulic flushing gas extraction technology regarding strain-softening of surrounding rock. Firstly, through analysis experimental data, studies have proved that essence is internal friction angle remains unchanged while cohesion decreases. According variation law rocks in a borehole, we theoretically analyzed stres...

Natural disasters, including collapse, landslides, and debris flows, commonly occur in the Yili River Valley as a result of its distinctive terrain climate. A large proportion these are loess landslides. Hence, studying mechanism their occurrence is crucial. The has high mica content. By using freeze-thaw (FT) cycling tests, unconsolidated undrained triaxial shear FT experiments, study clarifie...

We report on detailed laboratory experiments designed to illustrate the frictional behavior of granular volcanic debris. The materials include pyroclastic flow debris from Soufrière Hills Volcano, Montserrat, and from Stromboli Volcano, Italy, and lahar deposits from Mount St. Helens. Experiments were conducted in a servo-controlled, double-direct shear apparatus under conditions of displacemen...

Cohesion is the main inter-controlled factor for stability of fine-grained sediments in debris flow, and plays an important role flow hazard early warning. At present, there no cohesion rapid remote sensing detection model, which seriously affects development quantitative evaluation on stability. How to use quickly detect has become scientific issue. Therefore, strengthening research hyperspect...

Laboratory flume experiments were conducted to quantify the effects of soil characteristics on critical shear stress low fines content samples collected from Montauk shores in New York. The soils reconstituted at five different contents, ranging between 0 and 20%. These mixtures composed two initial water dry optimum moistures, relative densities, one moderate dense other dense. strength indice...