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Method for detecting pull-out 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, and inaccurate measurement data.

Active Publication Date: 2021-05-14
OCEAN UNIV OF CHINA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

This patent is suitable for suction barrel foundations, without the need to set up additional reference piles and reaction systems, and after the test, negative pressure can be pumped again to restore the barrel foundation to its original position, which has little impact on the structure. However, due to the application of air pressure in this patent application, the 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

Method used

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  • Method for detecting pull-out bearing capacity of suction bucket
  • Method for detecting pull-out bearing capacity of suction bucket
  • Method for detecting pull-out 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 disclosed in 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 u...

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Abstract

The invention discloses a method for detecting the pull-out bearing capacity of a suction bucket, comprising step 1: lengthening the suction bucket, installing a ring-shaped suction bucket joint at the bottom of the suction bucket, and connecting the upper section of the suction bucket and the extended section of the suction bucket into a whole through bolts ;Step 2: Fix the load box to the inside of the suction barrel, connect the oil pipe, displacement pipe and high-pressure grouting pipe; Step 3: Lower the suction barrel to the designated position, and grout the soil at the end of the barrel; Step 4: Perform self-balancing Test; Step 5: Recover the suction barrel and the corresponding detection device. The method can overcome the harsh natural environment at sea and accurately measure the uplift bearing capacity of the suction bucket foundation.

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 needs of the offshore energy industry, especially the anchoring and support of deep-sea energy production and transportation equipment, the suction barrel 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 f...

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Application Information

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Patent Type & Authority Patents(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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