Method for detecting uplift bearing capacity of suction bucket

A technology of anti-pulling bearing capacity and suction bucket, which is applied in the testing of infrastructure, construction, infrastructure engineering, etc., can solve the problems of increased weight, reduced friction on the outer wall of the bucket, inaccurate measurement data, etc., and saves time and cost. and economic cost, the effect of saving economic cost

Active Publication Date: 2019-11-26
OCEAN UNIV OF CHINA
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Problems solved by technology

This patent is suitable for suction bucket foundations, without the need to set up additional reference piles and reaction systems, and after testing, negative pressure can be pumped again to restore the bucket foundation to its original position, which has little impact on the structure. However, due to the application of air pressure, the inside of the bucket The hydraulic gradient is downward, the gravity increases, and the friction force of the inner wall of the barrel increases, so the friction force of the outer wall of the barrel decreases, and the measurement data is inaccurate

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  • Method for detecting uplift bearing capacity of suction bucket
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  • Method for detecting uplift bearing capacity of suction bucket

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Embodiment Construction

[0048] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0049] The structures, proportions, sizes, etc. shown in the drawings attached to this specification are only used to match the content disclosed in the specification for the understanding and reading of those who are familiar with this technology, and are not used to limit the conditions for the implementation of the present invention , so it has no technical substantive meaning, and any modification of structure, change of proportional relationship or adjustment of size shall still fall within the scope of the disclosure of the present invention without affecting the functions and objectives of the present invention. The technical content must be within the scope covered. At the same time, terms such as "upper", "lower", "left", "right", "middle" and "one" quoted in this specification are only for the convenience of description and are not used to lim...

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Abstract

The invention discloses a method for detecting the uplift bearing capacity of a suction bucket. The method includes the steps that step 1, the suction bucket is lengthened, a ring-shaped suction bucket joint is arranged at the bottom of the suction bucket, and an upper section of the suction bucket and a lengthened section of the suction bucket are connected into a whole through bolts; step 2, load boxes are fixed to the inner side of the suction bucket, and are connected with oil pipes, displacement pipes and high-pressure grouting pipes; step 3, the suction bucket is sunk to a specified position, and a soil body at the end of the bucket is grouted; step 4, a self-balancing test is performed; and step 5, the suction bucket and corresponding detection devices are recovered. According to the method for detecting the uplift bearing capacity of the suction bucket, the harsh natural environment at sea can be overcome, and the uplift bearing capacity of a suction bucket foundation can be accurately measured.

Description

technical field [0001] The invention relates to a seabed foundation detection technology, in particular to a method for detecting the pull-out bearing capacity of a suction barrel foundation. Background technique [0002] In recent years, with the development of the offshore energy industry, especially the anchoring and support of deep-sea energy production and transportation equipment, the suction bucket foundation has become more and more popular in recent years because of its advantages of reusability, convenient installation, economy, and safety. Widely used in marine engineering. The uplift bearing capacity of the suction bucket foundation is an important index to measure its stability and safety, so it is necessary to test its uplift bearing capacity. [0003] Therefore, in view of the problems existing in the field detection technology of the conventional suction barrel foundation pull-out bearing capacity, a new economical, small engineering, and technically feasibl...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02D33/00
CPCE02D33/00
Inventor 陈旭光马庆松徐齐宇刘金忠李辉顾文旭
Owner OCEAN UNIV OF CHINA
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