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Título

The Influence of The Load Measurement Method in The Static Load Test to Correlate With The Dynamic Test in Piles

Palavras-chave

Static Load Test, Manometer, Load Cell, Dynamic Load Test, Modified Davisson Offset, Match Quality of Settlements

Resumo (no máximo 200 palavras)

The same Static Load Test (SLT) can be represented by three different load vs. settlement curves: Load Cell (LC), Manometer (MA), and Theoretical SLT (TH) (Murakami et al., 2020a, 2022). Therefore, the analysis of the SLT will be different depending on the corresponding curve used in the analysis, for example, extrapolation methods. This paper presents a case study in which the same pile (steel) was tested by the SLT and the Dynamic Load Test (DLT). The load measurement method in the SLT was done by a Load Cell and Manometer, and the results were extrapolated by the Van der Veen Method. The Modified Davisson Offset (Murakami, 2015) and the Match Quality of Settlements (MQS) (Murakami, 2019) were used to correlate both tests. As expected, the results were: a) LC curve (7290 kN) had the best correlation with the DLT (7880 kN) (error of -8.0%), b) MA curve (8550 kN) over-predicted the load compared to the DLT (7740 kN) (error of + 9.5%), c) TH curve (7180 kN) under-predicted the load compared to the DLT (7880 kN) (error of -9.8%). Moreover, the LC curve had the best alpha and R2 of the MQS, indicating a better correlation with the DLT.

Palavras Chave

Dynamic Load Test; Load Cell; Manometer; Match Quality of Settlements; Modified Davisson Offset; Static Load Test

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