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Offshore platform pile settlement online monitoring system and method thereof

An offshore platform and monitoring system technology, applied in the direction of hydrostatic pressure, can solve the problems of inaccurate measurement, jumping in changes, inability to correctly reflect the settlement, etc., and achieve the effect of simple installation and high measurement accuracy.

Inactive Publication Date: 2015-10-28
天津翔越电仪技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The measurement of the device is inaccurate, and the change jumps in steps, which cannot correctly reflect the actual settlement

Method used

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  • Offshore platform pile settlement online monitoring system and method thereof
  • Offshore platform pile settlement online monitoring system and method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] Example 1: Offshore platform pile foundation settlement online monitoring system

[0025] The offshore platform pile foundation settlement online monitoring system includes an online settlement instrument placed on the offshore platform pile foundation, a data acquisition module, a data transmission module, a data server, and a terminal device. Based on the settlement changes of the benchmark pile foundation, and calculate the settlement data of each pile foundation; the data acquisition module is composed of the NDA1303 data acquisition module and the DAU data acquisition unit, the NDA1303 data acquisition module is used to collect the output information of the online settlement instrument; the DAU data acquisition unit It is used to process the data collected by the NDA1303 data acquisition module; it is used to collect the online sedimentation meter monitoring data according to the sampling interval; the data transmission module is a wireless data transmission GPRS-...

Embodiment 2

[0026] Embodiment 2: On-line sedimentation instrument

[0027] The online settlement meter is composed of a magnetostrictive displacement sensor, a liquid storage tank, a reference tank, a connecting pipe, and a float probe. The reference tank is placed on a stable horizontal base point, and the liquid storage tank is placed on each pile foundation. The tanks are connected by a connecting pipe. The liquid storage tank contains liquid for measurement, and the float probe is located on the liquid surface. When the liquid storage tank rises and falls relative to the reference tank, the liquid level in the liquid storage tank changes, driving the float probe The needle moves up and down, and the movement of the probe is sensed by a magnetostrictive displacement sensor.

Embodiment 3

[0028] Example 3: On-line monitoring method for offshore platform pile foundation settlement

[0029] Proceed as follows:

[0030] (1) Install the magnetostrictive displacement sensor of the online settlement meter on the pile foundation of the oil drilling offshore platform. The sensor is installed on the pile foundation, and the bottom of all the sensors are connected to each other through stainless steel pressure pipes;

[0031] (2) The settlement signal of the pile foundation is electrically measured by the magnetostrictive displacement sensor, and an absolute displacement value is obtained through calculation, which is transmitted to the data server through the data transmission module. After calculation, the settlement data of each pile foundation are obtained;

[0032] (3) Summarize the settlement data of each pile foundation to the data server, and connect to the terminal equipment through the 485 communication port of the data server;

[0033] (4) The terminal equi...

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Abstract

The invention discloses an offshore platform pile settlement online monitoring system. The system comprises an online settlement instrument arranged on an offshore platform pile, a data acquisition module, a data transmission mode, a data server and terminal equipment. The invention also discloses an offshore platform pile settlement online monitoring method. The method adopts the offshore platform pile settlement online monitoring system, and comprises the steps of settlement signal induction, acquisition, transmission, processing and display. The offshore platform pile settlement online monitoring system and the method thereof have the characteristics of high measurement precision, long-term online stable running, simple installation, no influences of increase or reduction of a liquid in a sensor on output, intelligent baseline correction, and basic realization of zero maintenance.

Description

[0001] technical field [0002] The invention relates to the field of offshore platform pile foundation settlement monitoring, in particular to an online monitoring system and method for offshore platform pile foundation settlement. Background technique [0003] With the development of industrial and civil construction, various complex and large-scale engineering buildings are increasing. The construction of engineering buildings has changed the original state of the ground and exerted a certain pressure on the foundation of the building. It will inevitably cause deformation of the foundation and surrounding strata. In order to ensure the normal service life of buildings (structures) and the safety of buildings (structures), and to provide reliable data and corresponding settlement parameters for future survey, design and construction, it is necessary to observe the settlement of buildings (structures). Sex and importance are becoming more apparent. The current regulations...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01C5/04
CPCG01C5/04
Inventor 肖毅
Owner 天津翔越电仪技术有限公司