THE EFFECT OF RELATIVE DENSITY, GRANULARITY AND SIZE OF GEOGRID APERTURES ON THE SHEAR STRENGTH OF THE SOIL/GEOGRID INTERFACE

Impact of Wellbore Cross-Sectional Elongation on the Hydraulic Fracturing Breakdown Pressure and Fracture Initiation Direction

A New Rock Brittleness Index Based on Crack Initiation and Crack Damage Stress Thresholds

Assessment of Interplay of Mud Cake and Failure Criteria on the Lower Limit of Safe Borehole Pressure

Assessment of Hydraulic Fracture Initiation Pressure Using Fracture Mechanics Criterion and Coupled Criterion with Emphasis on the Size Effect

Hydraulic Fracturing Breakdown Pressure and Prediction of Maximum Horizontal In Situ Stress

Petrography and geochemistry of the Miocene Upper Red Formation sandstones in NW Iran; with an application to the origin and tectonic setting

Initiation Pressure and Location of Fracture Initiation in Elliptical Wellbores

Investigating the effect of particle size, granulation and concrete block on the behavior and shear strength of granular soils, with emphasis on the shear zone

FAILURE ANALYSIS AROUND ORIENTED BOREHOLES USING AN ANALYTICAL MODEL IN DIFFERENT FAULTING STRESS REGIMES

Effect of Eccentricity on Breakout Propagation around Noncircular Boreholes

Evaluation of analytical solutions and two-dimensional models in estimating the internal forces of tunnel lining against seismic loading, compared with three-dimensional analysis

Physical and mechanical properties of sandstones from Southern Zanjan, north-western Iran

A NEW CONSTITUTIVE MODEL FOR THE TIME-DEPENDENT BEHAVIOR OF ROCKS WITH CONSIDERATION OF DAMAGE PARAMETER

Evaluation of the Depth and Width of Progressive Failure of Breakout Based on Different Failure Criteria, Using a Finite Element Numerical Model

Sensitivity Analysis of Effective Parameters in Borehole Failure, Using Neural Network

Breakout Evaluation by Mogi-Coulomb Failure Criterion as a Method for Estimating in-Situ Stresses

Three-Dimensional Finite Difference Analysis on the Ground-Sequential Tunneling-Superstructure Interaction

COMPARISON OF PREDICTED FAILURE AREA AROUND THE BOREHOLES IN THE STRIKE-SLIP FAULTING STRESS REGIME WITH HOEK-BROWN AND FAIRHURST GENERALIZED CRITERIA

Seismic response of non-connected piled raft foundations

Numerical modeling of jointed rock samples under unconfined and confined conditions to study peak strength and failure mode

Relation between microstructure and physical and engineering properties of sandstones, with emphasis on quartz content

Determination of breakout failure zone around the borehole using the Mohr-Coulomb and Hoek-Brown failure criteria

Theoretical analysis of the damaged zone around the borehole using different failure criteria

PHYSICAL PARAMETERS, TENSILE AND COMPRESSIVE STRENGTH OF DOLOMITE ROCK SAMPLES: INFLUENCE OF GRAIN SIZE

Investigation of Soil-Geogrid Interface in Direct Shear Test, with Emphasis on the size of apertures of geogrid and different compaction degrees of soil

Effective Parameters on Breakdown Pressure in Hydraulic Fracturing, Modeling with Finite Difference Method

INVESTIGATION ABOUT SHEAR BEHAVIOR OF SAND REINFORCED WITH GEOTEXTILE WITH EMPHASIS ON SHEAR ZONE

Full 3D Modeling of Tunnel Excavation and Lining with Emphasis on Sequence Excavation, Comparison of 3D and 2D Analysis

Relationship between Grain Size and Physical Properties of Dolomites in Order to Geomechanics Study of Dolomite Reservoirs

Effect of Various Lateral Boundaries on Bearing Capacity of Soilbag

Ground Response Curve for the Crown, Wall and Floor of Shallow Tunnels under Non-Isotropic Stress Field: Application range of analytical Solutions

Seismic Analysis of Rectangular Tunnels (Cut and Cover Method), Soil-Structure Interaction

Analytical and Numerical Solutions of Tunnel Lining Under Seismic Loading and Investigation of Its Affecting Parameters

Numerical study of the effect of soil-bag system to improve geotechnical bearing capacity of the bed soil

H‌Y‌D‌R‌A‌U‌L‌I‌C F‌R‌A‌C‌T‌U‌R‌E P‌R‌O‌P‌A‌G‌A‌T‌I‌O‌N I‌N B‌R‌I‌T‌T‌L‌E R‌O‌C‌K: C‌O‌N‌S‌I‌D‌E‌R‌I‌N‌G I‌N‌T‌E‌R‌A‌C‌T‌I‌O‌N T‌E‌R‌M B‌E‌T‌W‌E‌E‌N F‌L‌U‌I‌D I‌N‌E‌R‌T‌I‌A A‌N‌D V‌I‌S‌C‌O‌S‌I‌T‌Y P‌A‌R‌A‌M‌E‌T‌E‌R‌S

A reassessment of in situ stress determination by hydraulic fracturing

Analytical evaluation of bearing capacity of soilbag with semi-elliptical cross section

Seismic Stability Analysis of Sandy Slopes

Stress-Strain Behavior and Failure Mode of Cohesive Soils Reinforced with Geotextile under Uniaxial Compression Test

Investigation about the Behavior of Clay - Sand Mixtures, Reinforced with Geotextile using Uniaxial Compressive test

Using artificial neural network (ANN) in prediction of collapse settlements of sandy gravels

Buckling of the steel liners of underground road structures: the sensitivity analysis of geometrical parameters

Presenting an analytical model to investigate the effect of non-isotropic stress field and pore pressure changes on the dimensions of the shear failure zone around geomechanical boreholes

Investigating the proposed methods to determine the rock crack initiation stress in the compressive strength test

Conflict Between Fracture Toughness and Tensile Strength in Determining Fracture Strength of Rock Samples with a Circular Hole

sub-critical crack growth model for predicting crack growth rate in rock microstructure

Investigation of Evolutionary Optimization Algorithms for Estimating Sandstone Compressive Strength

Stratigraphy and mineralogy of litearenitic sandstones of Upper Red Formation in Zanjan and Hashtroud regions

Theoretical Analysis of Shear Instability Around the Inclined Boreholes

Squeezing Rocks and its Constitutive Relations

The Theoretical Analysis of Shear Failure due to Pressure on Deep Oil Boreholes, Using the Mohr-Coulomb Criterion

Petrography and Determination of Tectonic Position of Top-Quartzite Sandstones in Chopoqlu Section (Southeast of Zanjan)

Investigation of the stability of Slopes reinforced with Pile and the factors affecting the reliability coefficient

Petrography and trace element geochemistry of dolomites in the Soltanieh Formation, SW Zanjan