Static penetrating sounding system and its application method suitable for shallow sea area

A static penetrating and regional technology, which is applied in the field of foundation soil survey, construction, infrastructure engineering, etc., can solve the problems of complex operation process, low operation cost and low accuracy of platform CPT, and achieve the goal of reducing underwater Difficulty of work operation, prevention of soil disturbance, and sound penetrating function

Active Publication Date: 2021-03-30
OCEAN UNIV OF CHINA
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Problems solved by technology

[0004] The object of the present invention is to provide a static penetrating sounding system and its application method suitable for shallow sea areas. It maintains the measurement accuracy of foreign static penetration sounders, and overcomes the problems of low accuracy of the standard penetration method used in shallow water areas and the complicated operation process and poor stability of platform CPT

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  • Static penetrating sounding system and its application method suitable for shallow sea area
  • Static penetrating sounding system and its application method suitable for shallow sea area
  • Static penetrating sounding system and its application method suitable for shallow sea area

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Embodiment Construction

[0031] The present invention will be further described below in conjunction with the accompanying drawings.

[0032] Such as figure 1 As shown, a static penetrating system suitable for shallow sea areas includes a suction cylinder reaction device, a loading device 8 with a ship-borne control system 14 is fixedly connected to the suction cylinder reaction device, and a loading device 8 is connected to the There is a static penetration sounder, and the loading device provides a power source for the static penetration sounder;

[0033] Such as Figure 2-4 As shown, the suction cylinder reaction device includes a suction cylinder with an open lower end, the suction cylinder is connected with a vacuum pump 13 through a vacuum pump tube 12, and the suction cylinder includes two concentric cylinders (rings) inside and outside, the two cylinders The top ends are closed, and a partition plate 1 ( image 3 with Figure 4 Among them, in order to better show the layout of the baffle p...

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Abstract

The invention relates to a static cone penetration system suitable for a shallow sea area. The static cone penetration system comprises a suction cylinder counter-force device; the suction cylinder counter-force device is fixedly connected with a loading device with a shipborne control system, and the loading device is connected with a static penetrometer; the suction cylinder counter-force devicecomprises a suction cylinder with an opening in the lower end, and the suction cylinder is connected with a vacuum pump through a vacuum pump pipe; the static penetrometer comprises a penetration rodconnected with the loading device, the lower end of the penetration rod is connected with a multifunctional static cone penetration probe, and the multifunctional static cone penetration probe is connected with a static cone penetration recorder. The cone penetration system provided by the invention is small in balance weight, low in requirements for a shipborne crane, simple and direct in operation and low in operation cost; and meanwhile, not only is the measurement precision of a foreign static penetrometer kept, but also the problems that an implementing standard way used in a shallow water area is low in precision and a platform type CPT (Cone Penetration Test) is complex in operation process and poor in stability are overcome.

Description

technical field [0001] The invention belongs to the field of in-situ testing of shallow sea geotechnical engineering, and in particular relates to a static penetrating sounding system suitable for shallow sea areas and an application method thereof. Background technique [0002] Cone Penetration Test (CPT for short) is to penetrate the probe into the soil at a constant speed (2cm / s), record the data, and then combine the indoor geotechnical test to comprehensively judge the soil quality and soil layer distribution. The in-situ test method has the advantages of good data continuity and reproducibility, and saves time and effort in operation. In geotechnical engineering investigation, static sound penetration is a very important method. It has outstanding advantages in exploring stratum distribution, measuring rock and soil properties, and determining foundation bearing capacity. It can also be used in conjunction with indoor tests. With the rapid development of ocean develop...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E02D1/00
Inventor 杨俊杰王子谋焦双健董猛荣焦德才苏晓腾王晓倩
Owner OCEAN UNIV OF CHINA
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