Method for external measurement of settlement of foundation of storage tank

A technology of storage tank foundation and measurement method, which is applied in the direction of measuring devices, instruments, optical devices, etc., to achieve good technical effects

Active Publication Date: 2015-01-21
CHINA PETROLEUM & CHEM CORP QINGDAO RES INST OF SAFETY ENG +1
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The technical problem to be solved by the present invention is that the measurement of all coordinate points in the circumferential direction of the storage tank

Method used

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  • Method for external measurement of settlement of foundation of storage tank
  • Method for external measurement of settlement of foundation of storage tank

Examples

Experimental program
Comparison scheme
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Example Embodiment

[0020] [Example 1]

[0021] Various standards related to the settlement of the tank foundation have different requirements for settlement. But the specific requirements are the foundation ring upward, the settlement difference between adjacent points (not greater than 10m) and between two points in the diameter direction. Therefore, it is necessary to measure the coordinates of the tank foundation in the same coordinate system to evaluate whether the foundation meets the requirements.

[0022] device installation

[0023] For specific measurement, such as figure 1 with figure 2 As shown, the triangle bracket is placed at the upper left corner of the fire dike, and the distance from the north and west wall dikes is about 2m. After placing the tripod stand, fix the total station on the stand and level it. The recorder is connected to the total station via Bluetooth.

[0024] Switching point layout

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Abstract

The invention relates to a method for external measurement of settlement of the foundation of a storage tank. The method for external measurement of settlement of the foundation of the storage tank mainly solves the problem that in the prior art, measurement of all coordinate points in the circumferential direction of the storage tank can not be achieved at one position. According to the method for external measurement of settlement of the foundation of the storage tank, the height of the coordinate of a foundation point of the storage tank is measured by means of a total station, communication between a data recorder and the total station is established, data obtained through measurement of the total station are stored automatically, a prism is adopted to serve as a measurement point for the height of the foundation of the storage tank and is placed on the foundation of the storage tank, and the prism is moved to the next position each time a settlement point is measured; after settlement measurement of one station measurement point is completed, measurement is conducted on another station, at least three groups of switching points are arranged, coordinate points of different measured stations are converted into the same coordinate system through coordinate transformation, and then measurement of the coordinates of the settlement points is well completed. The method is used for external measurement of settlement of the foundation of the storage tank.

Description

technical field [0001] The invention relates to an external measurement method for the foundation settlement of a storage tank. Background technique [0002] The settlement of the storage tank foundation refers to the subsidence of the foundation surface caused by the compaction of the foundation of the storage tank under the stress of the storage tank itself, the oil in the tank and the external load (wind, rain, etc.). Excessive settlement, especially uneven settlement, will cause the storage tank to tilt and deform, resulting in the increase of the liquid level of the storage tank and the occurrence of accidents such as floating disc chucking. [0003] The tank foundation settlement measurement assessment is to calculate the height difference between the foundation measurement points along the circumference of the tank. Therefore, it is necessary to measure the height of the tank foundation in the same coordinate system. [0004] CN201110029507.6 relates to a large-scal...

Claims

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Application Information

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IPC IPC(8): G01B11/03
Inventor 张玉平张卫华陶彬郎需庆
Owner CHINA PETROLEUM & CHEM CORP QINGDAO RES INST OF SAFETY ENG
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