Sentence examples for angle of the backfill from inspiring English sources
The results using this approach are used to develop a set of reliability based design charts for different coefficients of variation of friction angle of the backfill (5%, 10%and15%5%and15%
residual friction angle of the backfill (degrees).
friction angle of the backfill (degrees).
A sensitivity analysis of the geomechanical parameters demonstrated the relative effects of cohesion, Young's modulus and friction angle of the backfill on the estimates of horizontal stress; the friction angle (( upphi^{prime } )) exerts the greatest effect.
Two alternatives including a heuristic method that was developed based on an assumed soil failure mechanism, and an empirical relationship that was derived from experimental data are used to account for the effects of abutment skew angle on the backfill reaction.
The interface between the backfill and the rock mass is represented by a joint in Phase 2. This joint is assigned a cohesion of 0 and an interface friction angle being 2/3 of the backfill friction angle (( upphi^{prime } ) = 30°).
They conclude that the greatest effect on stress distribution within backfill results from the cohesion (c) and the friction angle (( upphi^{prime } )) of the backfill.
They are based on the Marston solution and account for both the stope geometry (the H/B ratio) and the geomechanical parameters (the friction angle ( upphi^{prime } )) of the backfill.
The solution takes into account the friction angle of the soil, wall roughness, backfill inclination and horizontal and vertical seismic accelerations.
The model explicitly accounts for the magnitude of earthquake acceleration, the structure's height, the backfill soil properties (e.g., internal friction angle, and cohesion), and the mobilized interface friction angle between the backfill and the earth-retaining structure.
The geomechanical parameters evaluated by the sensitivity analysis were the Young's modulus E (Fig. 6), the cohesion (c) (Fig. 7) and the friction angle ( upphi^{prime } ) (Fig. 8) of the backfill.
