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Impact load vibrations on young concrete
KTH, School of Architecture and the Built Environment (ABE), Civil and Architectural Engineering, Concrete Structures.
KTH, School of Architecture and the Built Environment (ABE), Civil and Architectural Engineering, Concrete Structures.ORCID iD: 0000-0002-9609-4122
(English)Manuscript (preprint) (Other academic)
Abstract [en]

Guidelines limiting the allowable vibrations from impact type loads, such as blasting, on young and hardening concrete are of great value for civil engineering and concrete construction work. Today, large safety margins included in standards and national regulations cause unnecessary delays and large safety distance and thereby increasing building costs. The commonly used measure is peak particle velocity, although frequency content is often put forth as important but seldom included in the recommendations. The paper summarizes important research within the field and comments on in situ observations and laboratory tests. The reviewed research demonstrates that impact type loads from e.g. blasting is the most critical type of load that can act on young concrete constructions. For future guidelines it is recommended that a concrete construction is classified as either aboveground or underground (mass) concrete, or structural concrete for which structural dynamic analysis always must be performed.

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Civil Engineering
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URN: urn:nbn:se:kth:diva-168208OAI: oai:DiVA.org:kth-168208DiVA: diva2:814782
Note

QS 2015

Available from: 2015-05-28 Created: 2015-05-28 Last updated: 2015-06-22Bibliographically approved

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Ahmed, Lamis

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  • apa
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