| Mapping of noise impact provoked by the execution of foundation piles at high rise building sites. | |
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MedLine Citation:
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PMID: 22317218 Owner: NLM Status: In-Data-Review |
Abstract/OtherAbstract:
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The objective of this work is to map, in a limited area inside and outside of the worksite, the environmental impact generated by sound pollution coming from the driving of foundation piles for high rise buildings, as well as to observe and check if the noise levels produced by the emitting source are tolerable in the urban environment. The methodology of the work includes a survey of technical references about the subject; measurement of noises surrounding the worksite during the foundation phase for four distinct buildings, with different types of piles: prefabricated piles, continuous helical displacement piles , traditional compaction piles and Terra Probe compaction piles. A grid of points was built due to the time of driving and after that the measurements of environmental noises were performed emitted by the execution of each type of pile using a sound level meter. The interpretation of the measurements and their impacts on the neighborhood of the building were performed using the computational tool Suffer for creating noise level contours. The X and Y axes of the grid represent the distances in meters of the area studied and the Z axis represents the noise measured in dB. The contours developed represent the mapping of the noise at the worksites and their surroundings. The mapping of the urban impact of noise, the measurement of its dimensions, and the examination of its propagation around the building are important subsides to adequate individual and collective protection procedures. Seventy one points were measured at four building sites with different types of piles, and the results showed that at only three points was the noise within the limits of the Municipal Law of Recife of 70 dB, which proves the relevance of the research. Finally, the comparative analysis between the four types of piles shows that the continuous helical displacement pile emits the lowest noise level among the four pile types studied. |
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Authors:
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Adolpho Guido de Araújo; Alexandre Duarte Gusmão; Emilia Rahnemay Kohman Rabbani; Stela Paulino Fucale |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Work (Reading, Mass.) Volume: 41 ISSN: 1875-9270 ISO Abbreviation: Work Publication Date: 2012 Jan |
Date Detail:
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Created Date: 2012-02-09 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 9204382 Medline TA: Work Country: Netherlands |
Other Details:
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Languages: eng Pagination: 3291-300 Citation Subset: IM |
Affiliation:
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Civil Engineering Master's Program, Universidade de Pernambuco, Recife, Brasil, adolphoguido@hotmail.com. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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