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Estimation method for ultimate anti-lifting bearing capacity of offshore large-diameter steel pipe pile
The invention relates to an estimation method for the ultimate anti-lifting bearing capacity of an offshore large-diameter steel pipe pile, and aims at providing the estimation method for the ultimate anti-lifting bearing capacity of the offshore large-diameter steel pipe pile. According to the method, the influences of the effective dead load and the inner side frictional resistance of a soil core are taken into consideration while the influences of the dead load and the outer side frictional resistance of a pile foundation are taken into consideration, and therefore the estimation method serves as a simplified calculation method for the ultimate anti-lifting bearing capacity of the offshore large-diameter steel pipe pile. According to the technical scheme, by means of the estimation method for the ultimate anti-lifting bearing capacity of the offshore large-diameter steel pipe pile, it is considered that the inside-pile soil core corresponding to a stratum is arranged in the large-diameter steel pipe pile, under the effect of the uplift load, the large-diameter steel pipe pile generates outside-pile ultimate frictional resistance on the top layer of soil, the ith layer of soil and the bearing stratum independently and generates inside-pile ultimate side frictional resistance or the effective dead load of the inside-pile soil core and the dead loads of an upper portion structure and a foundation pile on the inside-pile soil core independently, and the calculation formula is that the pile foundation ultimate anti-lifting bearing capacity Tk is equal to the sum of Tk1 and Tk2.
Estimation method for ultimate anti-lifting bearing capacity of offshore large-diameter steel pipe pile
The invention relates to an estimation method for the ultimate anti-lifting bearing capacity of an offshore large-diameter steel pipe pile, and aims at providing the estimation method for the ultimate anti-lifting bearing capacity of the offshore large-diameter steel pipe pile. According to the method, the influences of the effective dead load and the inner side frictional resistance of a soil core are taken into consideration while the influences of the dead load and the outer side frictional resistance of a pile foundation are taken into consideration, and therefore the estimation method serves as a simplified calculation method for the ultimate anti-lifting bearing capacity of the offshore large-diameter steel pipe pile. According to the technical scheme, by means of the estimation method for the ultimate anti-lifting bearing capacity of the offshore large-diameter steel pipe pile, it is considered that the inside-pile soil core corresponding to a stratum is arranged in the large-diameter steel pipe pile, under the effect of the uplift load, the large-diameter steel pipe pile generates outside-pile ultimate frictional resistance on the top layer of soil, the ith layer of soil and the bearing stratum independently and generates inside-pile ultimate side frictional resistance or the effective dead load of the inside-pile soil core and the dead loads of an upper portion structure and a foundation pile on the inside-pile soil core independently, and the calculation formula is that the pile foundation ultimate anti-lifting bearing capacity Tk is equal to the sum of Tk1 and Tk2.
Estimation method for ultimate anti-lifting bearing capacity of offshore large-diameter steel pipe pile
DI SHENGJIE (author) / WANG MINGYUAN (author) / PAN DENG (author) / HOU JING (author)
2015-11-18
Patent
Electronic Resource
English
IPC:
E02D
FOUNDATIONS
,
Gründungen
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