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Wharf pile pulling analytical method for self-elevating drilling platform
The invention discloses a wharf pile pulling analytical method for a self-elevating drilling platform. The method comprises the following steps that 1 upper buoyancy force F of a spud leg of the self-elevating drilling platform is calculated when the draft of the spud leg on the platform is 1 m; 2 the pulling resistance R=P1+F1+F2 of a single pile is calculated, wherein the P1 is the weight of a pile shoe overlying soil layer, the F1 is the frictional resistance between the side face of the pile shoe and surrounding soil, and the F2 is the shear force needed by soil layer soil which is higher than the depth of a pitching pile; 3 platform excessive draft T2 needed during pile pulling is calculated. According to the wharf pile pulling analytical method for the self-elevating drilling platform, factors such as covering soil weight and the frictional force of the side wall of the pile shoe of the pile shoe are considered, the calculation of the pile pulling force is more accurate, and the safety of platform pile pulling is guaranteed.
Wharf pile pulling analytical method for self-elevating drilling platform
The invention discloses a wharf pile pulling analytical method for a self-elevating drilling platform. The method comprises the following steps that 1 upper buoyancy force F of a spud leg of the self-elevating drilling platform is calculated when the draft of the spud leg on the platform is 1 m; 2 the pulling resistance R=P1+F1+F2 of a single pile is calculated, wherein the P1 is the weight of a pile shoe overlying soil layer, the F1 is the frictional resistance between the side face of the pile shoe and surrounding soil, and the F2 is the shear force needed by soil layer soil which is higher than the depth of a pitching pile; 3 platform excessive draft T2 needed during pile pulling is calculated. According to the wharf pile pulling analytical method for the self-elevating drilling platform, factors such as covering soil weight and the frictional force of the side wall of the pile shoe of the pile shoe are considered, the calculation of the pile pulling force is more accurate, and the safety of platform pile pulling is guaranteed.
Wharf pile pulling analytical method for self-elevating drilling platform
MO JIAN (Autor:in) / ZENG JI (Autor:in) / YUAN HONGTAO (Autor:in) / ZHOU RUIJIA (Autor:in)
30.09.2015
Patent
Elektronische Ressource
Englisch
IPC:
E02D
FOUNDATIONS
,
Gründungen
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