Bearing Performance of HSCM Piles under Combined H-V Loading
Helix stiffened cement mixing pile(HSCM pile)is a new type of pile foundation com-posed of a spiral pile core and a cement soil pile.In order to study the bearing performance of he-lix stiffened cement mixing piles(HSCM piles)under combined horizontal-vertical(H-V)load,three groups of 12 HSCM model piles were designed and fabricated for conducting H-V combined load tests,aiming to analyze the effects of the loading angle and the number of helical blades on the bearing performance of the pile foundation.The test results show that appropriately increas-ing the number of blades in HSCM pile core can improve the integrity of the pile body and im-prove the load-bearing performance of the pile foundation under the H-V combined load.The up-lift load component has a negative impact on the horizontal ultimate bearing capacity of the pile foundation,while the shape of the pile body has a small impact on the horizontal bearing capacity.
helical pilerigid composite pilecombined loadingmodel test
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