Performance of a Pier Group Foundation in Swelling Rock

Marino, Gennaro G.; Osouli, Abdolreza; Zamiran, Siavash; Shafii, Iman

doi:10.1007/s10706-016-0087-6

Cited by 3 publications

(2 citation statements)

References 20 publications

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“…where K and G are respectively the bulk and shear moduli of the backfill and ∆ , is the width of the smallest element linked to this interface. This formula has also been used by other authors for their numerical simulations (Marino et al, 2017;Zamiran and Osouli, 2018).…”

Section: Modelling Procedures Of the Experimentsmentioning

confidence: 99%

Experimental and numerical studies on scaled-down dry-joint retaining walls: Pseudo-static approach to quantify the resistance of a dry-joint brick retaining wall

Savalle

Vincens

Hans

2019

Bull Earthquake Eng

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Section: Modelling Procedures Of the Experimentsmentioning

confidence: 99%

Experimental and numerical studies on scaled-down dry-joint retaining walls: Pseudo-static approach to quantify the resistance of a dry-joint brick retaining wall

Savalle

Vincens

Hans

2019

Bull Earthquake Eng

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“…However, there are few studies on the abnormal uplift of bridge pile foundation, and there is a lack of certain conclusions and theoretical basis. At present, the existing research results show that if the underground overburden in the bridge area has the rock and soil mass with expansion characteristics after encountering water, the expansion effect will lead to the uplift of the bridge pile foundation [16][17][18]. Under special conditions, the development of the minedout area will also lead to the uplift of the foundation [19].…”

Section: Introductionmentioning

confidence: 99%

Study on Arching Mechanism of Bridge Pile Foundation: Taking the Shiyangtai No.1 Bridge as an Example

Wang,

Sun,

et al. 2024

Buildings

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The structure of a bridge has certain peculiarities, and its pile foundations are susceptible to uplift or settlement deformation due to various factors. This can result in bridge deck cracking, structural instability, tilting, and even irreversible damage, which significantly impacts the bridge’s stability and driving safety. This study focuses on the Shiyangtai No.1 Bridge and aims to investigate the factors that cause abnormal rise and fall deformations of bridge pile foundations. The study combines macro and micro analysis, physical characteristic testing of the overlying soil under the bridge pile foundation, and numerical simulation of the bridge pile foundation in the goaf. The study discusses in-depth the formation mechanism of the abnormal uplift of some pile foundations of the Shiyangtai No.1 Bridge based on the analysis of the factors influencing the abnormal rise and fall deformation of the bridge pile foundations at home and abroad. The expansive soil beneath the pile foundation is weak, and the force generated by the water expansion is insufficient to cause the pile foundation to rise to 309 mm. The results indicate that the pile foundation of the bridge is not affected by the expansion characteristics of the overlying soil. The collapse of the goaf roof generates double lateral thrust from the accumulation body at the bottom of the goaf and the upper collapse arch. This causes staggered bending uplift of the sandstone soil layer, resulting in upward squeezing pressure that causes the bridge pile foundation to rise. Therefore, the coal mining area is the main factor influencing the abnormal uplift of the pile foundation of the Shiyangtai No.1 Bridge.

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Evaluating the Performance of Large-Diameter Bored Piles Socketed in Weathered Rock

et al. 2022

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Performance of a Pier Group Foundation in Swelling Rock

Cited by 3 publications

References 20 publications

Experimental and numerical studies on scaled-down dry-joint retaining walls: Pseudo-static approach to quantify the resistance of a dry-joint brick retaining wall

Experimental and numerical studies on scaled-down dry-joint retaining walls: Pseudo-static approach to quantify the resistance of a dry-joint brick retaining wall

Study on Arching Mechanism of Bridge Pile Foundation: Taking the Shiyangtai No.1 Bridge as an Example

Evaluating the Performance of Large-Diameter Bored Piles Socketed in Weathered Rock

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