1-20 of 90
Keywords: calculation
Close
Follow your search
Access your saved searches in your account

Would you like to receive an alert when new items match your search?
Close Modal
Sort by
Proceedings Papers

Paper presented at the ISRM International Symposium, November 19–24, 2000
Paper Number: ISRM-IS-2000-341
... possible methods being considered for use in reaching a particular objective, that is, this system consists of the method of laying out calculations and experiments, data analysis method, and rationalization of the characteristic values. 1 Professor, Dept. of Civil Engineering, Hanyang University, Korea 2...
Proceedings Papers

Paper presented at the ISRM International Symposium, November 19–24, 2000
Paper Number: ISRM-IS-2000-303
... validated by both approaches: 3D numerical calculations using the finite difference code FLAC-3D, and by comparing its predictions to in situ data from a construction project. These developments result in simple and efficient design tools, which are very useful at the preliminary design stage of a project...
Proceedings Papers

Paper presented at the ISRM International Symposium, November 19–24, 2000
Paper Number: ISRM-IS-2000-351
... ground and with calculated settlement values. These results are also compared with published data from full-scale load tests and theoretical procedures. Overall, the results from the full-scale tests show more improvement than predicted by theoretical procedures, although a large scatter was observed...
Proceedings Papers

Paper presented at the ISRM International Symposium, November 19–24, 2000
Paper Number: ISRM-IS-2000-298
.... Therefore this foundation system will be employed widely to found buildings, especially embankments on very soft or organic soils like peat. Numerical and analytical models for calculation and design of the new foundation system will be reflected. INTRODUCTION By the foundation of buildings on soft...
Proceedings Papers

Paper presented at the ISRM International Symposium, November 19–24, 2000
Paper Number: ISRM-IS-2000-289
.... If a lateral force of magnitude (F h) acts on top of the soil surface, the reinforcement forces in various layers are calculated in the following empirical manner, Figure 1. Th e fo rc e with in an y r ei nfo rce me nt lay er is ca lc ula ted a s If h is gr ea ter th an th e h ei ght of t he wa ll (H), h...
Proceedings Papers

Paper presented at the ISRM International Symposium, November 19–24, 2000
Paper Number: ISRM-IS-2000-464
... calculated from the volume of material removed over the past 3 million years, based on the geomorphological history of the site. Historical data included a rockfall in 1990, which caused the death of two high school students, and another rock topple observed in 1992. A reasonable agreement is found between...
Proceedings Papers

Paper presented at the ISRM International Symposium, November 19–24, 2000
Paper Number: ISRM-IS-2000-465
... this effect may be decisive in triggering landslides. Extensive field measurements have been performed in unstable clay slopes. In this paper recent results will be presented of these measurements in progress as well as results of back calculations. INSTRUMENTATION OF SLOPES AT LÜHNDE For a navigable...
Proceedings Papers

Paper presented at the ISRM International Symposium, November 19–24, 2000
Paper Number: ISRM-IS-2000-355
... nailing, Gudehus (1990). roughness grain diameter borehole wall stabilisation Upstream Oil & Gas Soil Nail pullout test recommendation pullout force Wehr calculation diameter sand anchor granular material mean grain diameter cylinder application installation gravel...
Proceedings Papers

Paper presented at the ISRM International Symposium, November 19–24, 2000
Paper Number: ISRM-IS-2000-456
... is primarily dependent on the permeability of the soil, the compressibility of the pore water, i.e. the air (or gas) content in the fluid, and the velocity of the pressure change. The phenomenon is explained, and a simple approach to take into account this effect in stability calculations is proposed...
Proceedings Papers

Paper presented at the ISRM International Symposium, November 19–24, 2000
Paper Number: ISRM-IS-2000-446
.... An averaged value of the factor of safety obtained for different values of the angle of dilatancy using the proposed method is suggested and calculated. The variation of the factor of safety with angle of dilatancy for a range of the strength parameters is obtained and compared with those using...
Proceedings Papers

Paper presented at the ISRM International Symposium, November 19–24, 2000
Paper Number: ISRM-IS-2000-436
... ALTERNATIVE APPROACHES OF ROCK SLOPE STABILITY ANALYSIS Bjørn Nilsen1 ABSTRACT The calculation principles and interpretation of results are discussed for three alternative methods for rock slope stability analysis: 1) The traditional deterministic principle, 2) The partial factor principle, and 3...
Proceedings Papers

Paper presented at the ISRM International Symposium, November 19–24, 2000
Paper Number: ISRM-IS-2000-511
... design method could be used in conjunction with the observational method using field measurements during construction of embankments. Design calculations were made by using the program FLAC, which is an explicit finite difference method, that may analyse plastic flow, even if peak strength is reached...
Proceedings Papers

Paper presented at the ISRM International Symposium, November 19–24, 2000
Paper Number: ISRM-IS-2000-487
... ABSTRACT: A geomechanical analysis of a shallow small scale landslide in the harbour of Saba was carried out to calculate the risk of new landslides and in order to advise local authorities on practical measures to improve safety. Geotechnical investigations and geological mapping were carried...
Proceedings Papers

Paper presented at the ISRM International Symposium, November 19–24, 2000
Paper Number: ISRM-IS-2000-632
... approach to the estimation of the deformation modulus of rock masses that contain any number of single joints or joint sets. The data needed for calculation are the elastic parameters of the intact rock, the orientations of the joints and the stiffness of the joints. The deformation modulus of the rock...
Proceedings Papers

Paper presented at the ISRM International Symposium, November 19–24, 2000
Paper Number: ISRM-IS-2000-547
... wall eemclay excavation rail transportation calculation prediction underground station construction deformation installation deep underground station geotechnical parameter investigation building pit stiffness Amsterdam soil condition settlement prediction fe model deposit DESIGN...
Proceedings Papers

Paper presented at the ISRM International Symposium, November 19–24, 2000
Paper Number: ISRM-IS-2000-634
..., and they should not be required to study huge user-manuals, to be able to walk through the virtual tunnel The tunnel can be displayed with photorealistic textures. photorealistic texture information plane Upstream Oil & Gas calculation numerical simulation human computer interaction geomechanics...
Proceedings Papers

Paper presented at the ISRM International Symposium, November 19–24, 2000
Paper Number: ISRM-IS-2000-605
... elastoplasticity calculations. Nonetheless, the resulting model remains sufficiently simple and an analytical solution is still accessible. Comparisons with 3D numerical calculations show that the model gives precise results if the correct convergence at the moment of bolt installation Up is used as an "external...
Proceedings Papers

Paper presented at the ISRM International Symposium, November 19–24, 2000
Paper Number: ISRM-IS-2000-596
... to the tunnels and soft soil with high groundwater level) necessitated the application of numerical and analytical studies to investigate the risk of settlement-induced damage on the immediate surroundings. The calculations were carried out during the design phase of the North/South Metroline in Amsterdam using...
Proceedings Papers

Paper presented at the ISRM International Symposium, November 19–24, 2000
Paper Number: ISRM-IS-2000-592
... calculation safety assessment repository monitoring radioactive waste repository shaft construction Upstream Oil & Gas rock salt borehole determination geological barrier deformation GEOTECHNICAL MEASUREMENTS FOR SAFETY ASSESSMENTS IN DIFFERENT DEVELOPMENT PHASES OF RADIOACTIVE WASTE...
Proceedings Papers

Paper presented at the ISRM International Symposium, November 19–24, 2000
Paper Number: ISRM-IS-2000-612
... and reached a maximum of 4 – 5 MPa at a distance of 2 – 3 m from the drift, when the highest concentration of stress was expected. The vertical stress variation was consistent with calculations by the three dimensional FEM program, ANSYS. Furthermore, the stress measured by the over coring method just about...

Product(s) added to cart

Close Modal