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Static force cone penetration system suitable for shallow sea area and application method of system

A static penetration, regional technology, 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-type CPT, and achieve the reduction of underwater Difficulty of work operation, prevention of soil disturbance, sound effect of penetrating function

Active Publication Date: 2019-06-25
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 force cone penetration system suitable for shallow sea area and application method of system
  • Static force cone penetration system suitable for shallow sea area and application method of system
  • Static force cone penetration system suitable for shallow sea area and application method of system

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Embodiment Construction

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

[0032] like figure 1 As shown, a static penetration system suitable for shallow sea areas includes a suction cylinder reaction force device, a loading device 8 with a shipboard control system 14 is fixedly connected to the suction cylinder reaction force device, and the loading device 8 is connected. There is a static probe, and the loading device provides a power source for the static probe;

[0033] like Figures 2 to 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 pipe 12, and the suction cylinder includes two inner and outer concentric cylinders (annular), the two cylinders The top ends are closed, and a baffle plate 1 ( image 3 and Figure 4 , in order to better show the arrangement of the baffle plates, it is drawn in a grid shape,...

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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 particularly relates to a static penetration 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 uniform speed (2cm / s), record the data, and then combine the indoor geotechnical test to comprehensively evaluate the soil quality and soil layer distribution. The in-situ test method has the advantages of good data continuity and reproducibility, and the operation saves time and effort. In geotechnical engineering investigation, static penetration is a very important method. It has outstanding advantages in excavating stratum distribution, measuring geotechnical properties, and determining foundation bearing capacity. It can also be used in conjunction with laboratory tests. With the rapid development of ocean development, the...

Claims

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Application Information

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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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