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Homepage>BS Standards>93 CIVIL ENGINEERING>93.020 Earthworks. Excavations. Foundation construction. Underground works>BS EN 17542-2:2022 Earthworks. Geotechnical laboratory tests Fragmentability test standard
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immediate downloadReleased: 2022-08-10
BS EN 17542-2:2022 Earthworks. Geotechnical laboratory tests Fragmentability test standard

BS EN 17542-2:2022

Earthworks. Geotechnical laboratory tests Fragmentability test standard

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Standard number:BS EN 17542-2:2022
Pages:16
Released:2022-08-10
ISBN:978 0 539 13848 1
Status:Standard
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BS EN 17542-2:2022


This standard BS EN 17542-2:2022 Earthworks. Geotechnical laboratory tests is classified in these ICS categories:
  • 93.020 Earthworks. Excavations. Foundation construction. Underground works
This document defines the principle and the methods for the determination of the "fragmentability coefficient" of rocky material. The fragmentability coefficient IFR distinguishes the behaviour of certain rocky material and is used to show the change in particle size from the moment than the material is excavated through to its subsequent implementation and in certain cases during its whole service life. Changes in the particle size occur due to the structural resistance of the rock being unable to support the mechanical stress to which it is subjected during its implementation and use.
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