Laboratory Investigation of the Pile Group Behavior in Sandy Soils under Lateral Loads

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Vakili Amir; ZOMORODIAN SEYED MOHAMMAD ALI; AHMADI MOHAMMAD HOSSEIN

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Journal: JOURNAL OF STRUCTURAL ENGINEERING Year:2019 | Volume:16 | Issue:2 Page(s): 9-20

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Title

Laboratory Investigation of the Pile Group Behavior in Sandy Soils under Lateral Loads

Author(s)

Vakili Amir | ZOMORODIAN SEYED MOHAMMAD ALI | AHMADI MOHAMMAD HOSSEIN | Issue Writer Certificate

Keywords

Pile group

Lateral load

P-Y method

Group reduction factor

Abstract

Structures are often subjected to Lateral loads due to earthquakes, winds, and waves of water. It is very necessary to predict and measure the "load-deflection" behavior of the Pile group, as well as its strain behavior, in order to create a safe and economical design. The behavior of piles embedded in soil, placed under the Lateral load, is typically modeled and analyzed using the Winkler nonlinear springs method. In this method, the soil-pile interaction is modeled by nonlinear curves of P-Y in a way that P-Y curve modifies and adjust the single pile using a p-multiplier (pm) for each row of piles in the group. The pm factor depends upon the configuration of Pile group and the pile spacing. The value of this factor for the leading rows are considered higher and for the trailing rows lower. The present study was conducted to investigate the effects of various parameters, such as the pile spacing in the group and different layouts on the pm factor. The pm factor obtained from this study has good compatibility with the results of the fullscale test on Pile group. The results show that the value of the pm factor for Pile groups with different layouts of 2. 5-diameter pile spacing was in the range of 0. 42 to 0. 54, which is very close to the value of obtained by previous study.

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APA: Copy

Vakili, Amir, ZOMORODIAN, SEYED MOHAMMAD ALI, & AHMADI, MOHAMMAD HOSSEIN. (2019). Laboratory Investigation of the Pile Group Behavior in Sandy Soils under Lateral Loads. JOURNAL OF STRUCTURAL ENGINEERING, 16(2 ), 9-20. SID. https://sid.ir/paper/396358/en

Vancouver: Copy

Vakili Amir, ZOMORODIAN SEYED MOHAMMAD ALI, AHMADI MOHAMMAD HOSSEIN. Laboratory Investigation of the Pile Group Behavior in Sandy Soils under Lateral Loads. JOURNAL OF STRUCTURAL ENGINEERING[Internet]. 2019;16(2 ):9-20. Available from: https://sid.ir/paper/396358/en

IEEE: Copy

Amir Vakili, SEYED MOHAMMAD ALI ZOMORODIAN, and MOHAMMAD HOSSEIN AHMADI, “Laboratory Investigation of the Pile Group Behavior in Sandy Soils under Lateral Loads,” JOURNAL OF STRUCTURAL ENGINEERING, vol. 16, no. 2 , pp. 9–20, 2019, [Online]. Available: https://sid.ir/paper/396358/en

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