A comparison of Random Set and Point Estimate Methods in Finite Element Analysis of Tunnel Excavation

Risk and Reliability in Geotechnical Engineerin

The Importance of Laboratory Experiments in Landslide Investigation

This study focuses on a better understanding of mass movements and on the influences of different boundary conditions on velocities of creeping slopes. A well monitored example of a slowly creeping landslide is the mass movement Hochmais - Atemkopf, situated in the Kaunertal, Tyrol, Austria (Fig. 1). The long term monitoring program for more than 40 years of this landslide gives a good impression of its time dependent behaviour. A large amount of additional data, as geological mapping, boreholes, geophysical investigation and so on provides a funded base for the model’s geometry. The most influencing factor for finite element calculations is besides the model’s geometry the rheological model and the therefor adapted material properties. Creep laboratory experiments have been performed and evaluated for the most active sliding zone. Long term shear tests from 1964 have been reevaluated and compared with current long term triaxial tests. The experiments reveal a non linear dependence between equivalent stress and displacement rate. An elasto, visco - plastic rheological model with a non-linear viscose deformation has been fitted to those results

bim for public authorities basic research for the standardized implementation of bim in the building permit process

The building permit is an indispensable connection between the approval authority and the executive client within the construction process. Moreover, sustainability criteria do not have sufficient regard in the building permit process in the area of research. To lay the foundation for a state-of-the-art digitalization of the building permit process, the study identifies the information requirements relevant to implement the BIM methodology taking into consideration the available sustainability aspects relevant to the process. A detailed evaluation of the building permit process and the analysis of projects that have gained building permission in the last five years in the area of study of South Tyrol (Italy) gives us a better understanding of the organizational structure and responsibilities in the process. The authors use the data of in-depth process analysis to assess a defined catalogue of basic requirements for BIM methodology in the building permit process. As a result, the analysed BIM-integrated approach enables an early-stage identification of approval compliance, which can be evaluated in the building permit process. A good understanding of the current process must be considered a key factor of a successful introduction of BIM for the building permit procedure

Nichtlokale Modellierung der Entfestigung dichter Sande und steifer Tone

SIGLEAvailable from TIB Hannover: RN 3787(50) / FIZ - Fachinformationszzentrum Karlsruhe / TIB - Technische InformationsbibliothekDEGerman

On a multistage optimization problem II

The article contains no abstrac