Numerical and Experimental Case Study of Blasting Works Effect

World Multidisciplinary Earth Sciences Symposium 2016

Papán, Daniel^1 ; Valaková, Veronika^1 ; Drusa, Marian^2

University of ilina, Faculty of Civil Engineering, Department of Structural Mechanics and Applied Mathematics, Univerzitná 8215/1, ilina

010 26, Slovakia^1

University of ilina, Faculty of Civil Engineering, Department of Geotechnics, Univerzitná 8215/1, ilina

010 26, Slovakia^2

关键词: Dynamic monitoring;    Dynamic parameters;    FEM (finite element method);    General contractors;    Geological environment;    Highway tunnel;    Measurement data;    Tunnel construction;   

Others  :  https://iopscience.iop.org/article/10.1088/1755-1315/44/5/052052/pdf
DOI  :  10.1088/1755-1315/44/5/052052

来源: IOP

【 摘 要 】

This article introduces the theoretical and experimental case study of dynamic monitoring of the geological environment above constructed highway tunnel. The monitored structure is in this case a very important water supply pipeline, which crosses the tunnel and was made from steel tubes with a diameter of 800 mm. The basic dynamic parameters had been monitored during blasting works, and were compared with the FEM (Finite Element Method) calculations and checked by the Slovak standard limits. A calibrated FEM model based on the experimental measurement data results was created and used in order to receive more realistic results in further predictions, time and space extrapolations. This case study was required and demanded by the general contractor company and also by the owner of water pipeline, and it was an answer of public safety evaluation of risks during tunnel construction.