Evaluating the Effect of Concrete Pedestal on Reducing the Vulnerability of Adjacent Footings on Babolsar Saturated Sand Using Physical Model Tests

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Salamatpoor Siavash; JAFARIAN YASER; Hajiannia Alborz

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Paper Information

Journal: JOURNAL OF TRANSPORTATION INFRASTRUCTURE ENGINEERING (JTIE) Year:2018 | Volume:4 | Issue:2 (14) Page(s): 49-60

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Title

Evaluating the Effect of Concrete Pedestal on Reducing the Vulnerability of Adjacent Footings on Babolsar Saturated Sand Using Physical Model Tests

Author(s)

Salamatpoor Siavash | JAFARIAN YASER | Hajiannia Alborz | Issue Writer Certificate

Keywords

Sand stabilizationQ1

Concrete pedestalQ1

Bearing capacityQ2

SettlementQ2

Physical modelingQ1

Abstract

Two adjacent footings behave often differently from a single footing. Nowadays, with the scarcity of suitable land for construction purposes and population growth in the coastal zone of Caspian Sea, construction without considering the interference of the footings is increasing. This issue has been further complicated due to the unequal and non-simultaneous loading of the adjacent footings. In other words, initially, the light or old footing has been constructed, and then the heavy or new footing will be constructed adjacent to the old footing. This is also true in ports where containers are stacked side by side. In this study, the influence of unreinforced Concrete pedestals on improvement of saturated loose sandy soil is investigated through modeling the small-scale 1g tests. The main focus was on the load Bearing capacity, Settlement and tilt of the light footing nearby the heavy footing, when the pedestals are placed beneath the heavy footing. Results of this study illustrated that with fixed diameter pedestals (D=5 cm), increasing the pedestal length (L) from 15 to 25 cm, as refining factor of the soil underneath the heavy footing, led to 18 and 38 percent decrease in Settlement and tilt of the light footing nearby the heavy one, respectively, when the S/B ratio was zero.

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APA: Copy

Salamatpoor, Siavash, JAFARIAN, YASER, & Hajiannia, Alborz. (2018). Evaluating the Effect of Concrete Pedestal on Reducing the Vulnerability of Adjacent Footings on Babolsar Saturated Sand Using Physical Model Tests. JOURNAL OF TRANSPORTATION INFRASTRUCTURE ENGINEERING (JTIE), 4(2 (14) ), 49-60. SID. https://sid.ir/paper/251520/en

Vancouver: Copy

Salamatpoor Siavash, JAFARIAN YASER, Hajiannia Alborz. Evaluating the Effect of Concrete Pedestal on Reducing the Vulnerability of Adjacent Footings on Babolsar Saturated Sand Using Physical Model Tests. JOURNAL OF TRANSPORTATION INFRASTRUCTURE ENGINEERING (JTIE)[Internet]. 2018;4(2 (14) ):49-60. Available from: https://sid.ir/paper/251520/en

IEEE: Copy

Siavash Salamatpoor, YASER JAFARIAN, and Alborz Hajiannia, “Evaluating the Effect of Concrete Pedestal on Reducing the Vulnerability of Adjacent Footings on Babolsar Saturated Sand Using Physical Model Tests,” JOURNAL OF TRANSPORTATION INFRASTRUCTURE ENGINEERING (JTIE), vol. 4, no. 2 (14) , pp. 49–60, 2018, [Online]. Available: https://sid.ir/paper/251520/en

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