Experimental and numerical impact responses of an innovative rockfall protection structure made of articulated concrete blocks

A Furet, P Villard, JP Jarrin, S Lambert - Rock Mechanics and Rock …, 2022 - Springer
… fields of geotechnics, rockfall protection structures may be … method (FEM) and the finite
difference method (FDM), or using … The blocks are parallelepiped shaped volume elements with …

Numerical modelling of a low-energy rockfall barrier: new insight into the bullet effect

A Mentani, A Giacomini, O Buzzi, L Govoni… - Rock Mechanics and …, 2016 - Springer
… In the numerical simulations, all the barriers are subjected to the central impact of a test block
having a polyhedric shape, modelled with 10-node quadratic tetrahedron elements. This is …

Rockfall-simulation with irregular rock blocks

J Glover, P Bartelt, M Christen, W Gerber - Engineering Geology for …, 2015 - Springer
shapes. We present the results of numerical experiments investigating the dynamics of different
rock shapes during rockfall … 27 rock shape used for testing rockfall barriers; additionally a …

An energy allocation based design approach for flexible rockfall protection barriers

H Xu, C Gentilini, Z Yu, X Qi, S Zhao - Engineering Structures, 2018 - Elsevier
rockfall protection barrier structure. The approach is based on a reliable numerical modelling
validated by several … The test consisted in loading a net panel (of quadrangular shape with …

[PDF][PDF] Numerical approaches for rockfall analysis: a comparison

D Salciarini, C Tamagnini… - Proceedings 18th World …, 2009 - researchgate.net
… The impact with the slope surface is modeled taking into account the block shape and size
and … to develop rational design strategies for protection methods against such phenomena. …

Prediction of the bullet effect for rockfall barriers: a scaling approach

M Spadari, A Giacomini, O Buzzi… - Rock Mechanics and Rock …, 2012 - Springer
… cell of diamond shape) as opposed to a double twist (elementary cell of hexagonal shape),
and … The shape of the diamond corresponds to an existing rockfall mesh. The wire itself has a …

Flexible rockfall barriers subjected to extreme loads

A Volkwein, A Roth, W Gerber… - Structural engineering …, 2009 - Taylor & Francis
… guidelines, the load case rockfall is defined as the impact of … capacity of the respective rockfall
barrier. The impact energy E … the protection systems are now tested using similarly shaped

Assessment of the predictive capabilities of discrete element models for flexible rockfall barriers

L Dugelas, JB Coulibaly, F Bourrier, S Lambert… - International Journal of …, 2019 - Elsevier
This paper addresses the use of discrete element modeling approaches for predicting the
impact response of flexible rockfall protection barriers. In this purpose, two different models are …

Energy dissipating devices in falling rock protection barriers

L Castanon-Jano, E Blanco-Fernandez… - Rock Mechanics and …, 2017 - Springer
… Traditionally, the design of rockfall protection systems was based on the rigidity and … This
section may not be linear, but can have different shapes: a zigzag, wave, increasing or irregular …

Rockfall characterisation and structural protection–a review

A Volkwein, K Schellenberg… - … Hazards and Earth …, 2011 - nhess.copernicus.org
… as well as hazard zoning and protection measures. It is the aim … in projects dealing with the
rockfall protection of infrastructures, … of different shape and size are likely to involve a different