An experimental comparison of half-scale rockfall protection sandwich structures
Protection against falling rocks often requires the building of civil engineering structures such as soil reinforced embankments. A recent development consists of building a sandwich cellular structure for this purpose. Cellular structures are efficient technological solutions widely used in civil e...
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Published in | Structure Under Shock and ImpactWIT Press XI Vol. 113; pp. 15 - 26 |
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Main Authors | , , , , |
Format | Conference Proceeding Journal Article |
Language | English |
Published |
Southampton
WIT
2010
W I T Press WIT Press |
Series | Structure Under Shock and ImpactWIT Press XI |
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Abstract | Protection against falling rocks often requires the building of civil engineering structures such as soil reinforced embankments. A recent development consists of building a sandwich cellular structure for this purpose. Cellular structures are efficient technological solutions widely used in civil engineering for various applications. These structures also appear to be well suited to resist rockfall and to act as protective structures against impacts. This paper investigates the behaviour of three sandwich structures based on half-scale experiments. The 1.5 m high cellular sandwich structures were leaned against a concrete wall with the facing made of geocells filled with a coarse granular material. Three different granular materials were used for the kernel part of the sandwich (between the facing and the wall). The experiments were carried out with dead load \“pendular” impacts by a 260 kg spherical boulder with maximal impact energy of 10 kJ. The aim was to evaluate the ability of each kernel material for reducing the stress on the concrete wall. |
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AbstractList | Protection against falling rocks often requires the building of civil engineering structures such as soil reinforced embankments. A recent development consists of building a sandwich cellular structure for this purpose. Cellular structures are efficient technological solutions widely used in civil engineering for various applications. These structures also appear to be well suited to resist rockfall and to act as protective structures against impacts. This paper investigates the behaviour of three sandwich structures based on half-scale experiments. The 1.5 m high cellular sandwich structures were leaned against a concrete wall with the facing made of geocells filled with a coarse granular material. Three different granular materials were used for the kernel part of the sandwich (between the facing and the wall). The experiments were carried out with dead load \“pendular” impacts by a 260 kg spherical boulder with maximal impact energy of 10 kJ. The aim was to evaluate the ability of each kernel material for reducing the stress on the concrete wall. Protection against falling rocks often requires the building of civil engineering structures such as soil reinforced embankments. A recent development consists in building a sandwich cellular structure for this purpose. Cellular structures are efficient technological solutions widely used in civil engineering for various applications. These structures also appear to be well suited to resist rockfall and to act as protective structures against impacts. This paper investigates the behaviour of three sandwich structures based on half-scale experiments. The 1.5 m high cellular sandwich structures were leaned against a concrete wall with the facing made of geocells filled with a coarse granular material. Three different granular materials were used for the kernel part of the sandwich (between the facing and the wall). The experiments were carried out with dead load pendular impacts by a 260 kg spherical boulder with maximal impact energy of 10 kJ. The aim was to evaluate the ability of each kernel material for reducing the stress on the concrete wall. |
Author | HEYMANN, A GOTTELAND, P HAZA-ROZIER, E VINCESLAS, G LAMBERT, S |
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ContentType | Conference Proceeding Journal Article |
Copyright | 2015 INIST-CNRS 2010. Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the associated terms available at https://www.witpress.com/elibrary . Distributed under a Creative Commons Attribution 4.0 International License |
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Keywords | Cell structure Rock mechanics Granular material Sandwich structure boulders Concrete Structure soil interaction Rockfalls Experimental study Reinforced soil Civil engineering Reinforced structure SCRAPPED-TYRES GABION STRUCTURE DE PROTECTION CHUTE DE PIERRES RESISTANCE MECANIQUE |
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SubjectTerms | Applied sciences Buildings. Public works Cellular structure Civil engineering Cross-disciplinary physics: materials science; rheology Dead loads Earth sciences Earth, ocean, space Embankments Emergency preparedness Engineering and environment geology. Geothermics Engineering geology Environmental Engineering Environmental Sciences Exact sciences and technology Geotechnics Granular materials Granular solids Kernels Material form Physics Protective structures Rheology Rockfall Sandwich structures Soil structure Static loads Structure-soil interaction |
Title | An experimental comparison of half-scale rockfall protection sandwich structures |
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