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Vol 174
Pages:
118-120
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RUS

Some topics on using ultrasonic method for concrete casting level measurement in bored pile foundation

Authors:
Lan Kai1
Yan Taining2
Shao Chun3
About authors
  • 1 — China University of Geosciences
  • 2 — China University of Geosciences
  • 3 — China University of Geosciences
Date submitted:
2007-07-04
Date accepted:
2007-09-24
Date published:
2008-03-17

Abstract

With the rapid growth of China's economy, bored piles are widely used in infrastructure construction projects. But how to get the exact surface of the poured concrete is a difficult problem in quality control of bored piles. In practice, the only way to avoid quality problems is to pour a larger volume of concrete, which results in more waste and creates more burden on the environment due to the discarded concrete columns. Therefore, the development of an ultrasonic device to measure the concrete pouring level is highly relevant. Based on the analysis of the negative consequences of pouring too much concrete, the paper presents the design scheme of the device, summarizes the main difficulties and summarizes the results of our group.

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References

  1. Shao Chun. Research on remote measuring the altitude of concrete’s surface in bored piles by using ultrasonic method [D]. PhD dissertation for China University of Geosciences. 2006.
  2. Yan Taining, Г.А.Григашкин, Zhang Tao. Portable ultrasonic wave water depth measuring apparatus [R]. China University of Geosciences. 2003.
  3. Zhang Hesheng, Song Mingyao. Research and development the instrument of ultrasound distance measurement in vehicle [J]. Instrumentation & Sensors, 2003(2), 26-28.

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