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Construction Engineering Education Network > Professional Materials > Construction Organization > Municipal Engineering > Text

Municipal Engineering Knowledge: What are the various concrete detection methods and characteristics

2018-04-28 16:47 From the network [Large Middle Small] [Print] [I want to correct]

What are the various concrete detection methods and characteristics?

① Ultrasound

The testing process does not damage the performance of materials and structures;

Test directly on the structure;

It is convenient to repeat and check the inspection, and the reproducibility of the inspection results is good.

② Rebound method: simple and convenient, but with large dispersion;

③ Ultrasound rebound method: reducing various interference factors can make up for the shortcomings of the two methods with high accuracy;

④ Core drilling method: The test results are intuitive and accurate, which can test the strength and thickness, but the operation is complicated and the concrete is slightly damaged;

⑤ Pull-out method: The test results are intuitive and accurate, but the operation is complicated, the concrete is slightly damaged, and the results are more discrete;

⑥ Small strain method: suitable for pile foundation detection, easy operation, fast detection and accurate results;

⑦Geological radar method: It is mainly used for large-area concrete quality inspection, such as tunnel lining concrete, which is characterized by fast detection, measurable thickness and accurate results.

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