Design method of circular anti-slide pile-arch retaining plates

doi:10.3969/j.issn.1000-1565.2025.02.001

Abstract

Abstract: A new arched sheet-pile retaining wall was proposed by employing circular anti-slide piles, which are more suitable for mechanical drilling than rectangular piles used in current pile sheet retaining walls, and precast arch retaining plate. On this basis, based on the static equilibrium conditions and strength conditions between the anti-slip piles, and based on the soil arch effect, the method of determining the reasonable pile spacing of the new arched sheet-pile retaining wall support system was proposed. Moreover, the calculating formulae for the bending moment and shear force of the cantilever section of the anti-slip piles were derived. The equation of soil pressure of the retaining plate considering the soil arch effect was established by the force transfer mechanism of the retaining plate between the anti-slip piles. Based on a cutting slope along the high-speed railway in Northeast China, the above established design method was applied to an engineering example and the reliability of the design method was verified by numerical simulation. This study puts forward preliminary reference on the application of arched sheet-pile retaining wall in engineering.

Key words: circular anti-slide pile, arch retaining plate, soil arch effect, cutting slope, design method

CLC Number:

TU47

LING Xianzhang, LU Fan, CONG Shengyi, ZHU Teng. Design method of circular anti-slide pile-arch retaining plates[J]. Journal of Hebei University(Natural Science Edition), 2025, 45(2): 113-122.

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