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Master's Dissertation
DOI
https://doi.org/10.11606/D.18.2016.tde-02032016-142441
Document
Author
Full name
Luis Fernando de Seixas Neves
Institute/School/College
Knowledge Area
Date of Defense
Published
São Carlos, 2004
Supervisor
Committee
Aoki, Nelson (President)
Albiero, José Henrique
Danziger, Fernando Artur Brasil
Title in Portuguese
Metodologia para a determinação da eficiência do ensaio SPT através de prova de carga estática sobre o amostrador padrão
Keywords in Portuguese
Eficiência
Energia
Ensaio SPT
Princípio de Hamilton
Prova de carga estática
Abstract in Portuguese
O ensaio de simples reconhecimento de solos (SPT) é a ferramenta de investigação de solos mais utilizada no mundo. Devido ao grande número de parâmetros que influenciam os seus resultados, a medida de sua eficiência passa a ser indispensável à transposição de experiências entre as práticas desenvolvidas em diferentes locais. Infelizmente, a medida da eficiência através da instrumentação do impacto do martelo é economicamente inviável para a maioria das empresas de sondagem no Brasil. Este trabalho apresenta uma metodologia para a determinação da eficiência do SPT baseada no princípio de Hamilton e na realização de prova de carga estática sobre o amostrador, que pode ser uma alternativa para sanar esta situação.
Title in English
Methodology to determine the SPT efficiency through static load test over the sampler
Keywords in English
Efficiency
Energy
Hamilton's principle
SPT test
Static load test
Abstract in English
The standard penetration test (SPT) is the most used soil investigation tool in the world. Due to the great number of variables that influences its results, the measurement of the efficiency becomes imperative to the transposition of experiences between developed practices in different places. Unfortunately, the measurement of the efficiency through the instrumentation of the hammer impact is economically inpracticable to most of the soil investigation firms in Brazil. This work presents a methodology to determinate the SPT efficiency based on the Hamilton's principle and on the execution of static load test over the sampler, what seems to be a good alternative to end this situation.
 
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Publishing Date
2016-03-02
 
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