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Research and Manufacturing on Capacitor Ground Displacement Measurement Device

Author: ChenJuan
Tutor: XuLiSheng
School: Central South University
Course: Geological Engineering
Keywords: Ground displacement Microcontroller Continuous measurement Curve printing
CLC: TV698.1
Type: Master's thesis
Year: 2011
Downloads: 41
Quote: 0
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Abstract


With the rapid development of water conservancy and hydropower construction and the construction of large water projects across the country, more complicated geological conditions for dam construction techniques are put forward higher requirements, as a dam reinforcement and the main means of seepage grouting, Which related to dam safety and reliability, therefore, improve the level of grouting technology has become a trend.Based on quantity of flow, pressur, water cement of three parameters grouting recording device have been widely used in large water resources and hydropower engineering in China.It appears to promote the development of grouting technology and the automation and intelligence of the grouting recording equipment.It improve the reliability and economy of the grouting work and making the technology of grouting more efficient and fast.The parameter of ground displacement is an important reflection of the situation of fractured rock and gtrouting pressure.It could promot the intelligent and automation of ground displacement monitoring.and achieving the request of four parameters of the grouting device and the development of water conservancy and hydropower construction requirements.Based on the anlysis relationship between the reason of grount displacement, grouting pressure and grout displacement, capacitive measurement device of ground displacement would be research and manufacturing.Firstly, This paper introduces the capacitive sensors of the structure and working principle, verifling the feasibility of capacitive sensors measure of ground displacement. And then introduce the design methd,the design of capacitor ground displacement measurement device is based on STC12C5A60S2,for the design, it use the multi-disciplinary knowledge of electronic technology, computer theory, computer hardware and software technology. In the hard design, It considering The performance characteristics of the chip, each component of the cost, reliability and practicality of the circuit connection. The C51 was used for system software development language. Software was development by the method of module. Which including data acquisition, display, keyboard and serial communication, this way ensure the realization of the instrument function.The innovation of this paper is achieve the continuous measurement of groud displacement, and curve printing Intuitive and accurate respond the process of micro-displacement change of ground and provide a reliable basis for the next grouting.

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CLC: > Industrial Technology > Hydraulic Engineering > Water control,hydraulic structures > Hydraulic structures management > Monitoring of hydraulic structures and prototype observation
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