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Steel guardrail column buried depth shock elastic wave detector
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1. Standard of the People's Republic of China: Steel Guardrail Column Buried Deep Impact Elastic Wave Detector (GB/T 24967-2010)
2. Ministry of Transport: Highway Engineering Quality Inspection and Evaluation Standard (JTGF80/1) (to be issued)
3. Fujian Provincial Bureau of Quality and Technical Supervision: Technical Specifications for Non-destructive Testing of Highway Steel Guardrail Columns (to be issued)
4. Hebei Provincial Bureau of Quality and Technical Supervision: Technical Specifications for Non-destructive Testing of Highway Steel Guardrail Columns (to be promulgated)
5, steel guardrail column buried deep impact elastic wave detector verification procedures (to be issued)
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According to the standard
Results and technical characteristics
Solve the test difficulties of the typical hollow thin-wall structure of steel guardrails;
Fully automatic analysis of data, with objectivity;
The inspection certificate or test report issued by the “National Traffic Safety Facilities Quality Supervision and Inspection Center” in conformity with the national standard (GB/T 24967-2010);
Quick and easy operation: double selection of touch screen and remote control, each column test takes only 7 minutes;
High test accuracy: the average measurement error is better than ±4% or not more than ±8cm, and the detector's test length resolution is not less than 1cm.
Patent name: impact elastic wave excitation residual signal suppression device and suppression method
Patent name: Method for absorbing shock wave elastic wave excitation residual signal to identify reflected wave signal
Patent No:ZL 200610003437.6
Related patents
Patent name: Testing equipment and testing method for measuring the buried depth of guardrail steel column by impact elastic wave
Patent No:200910082851.4
Patent No:200810240908.4
Test principle and method
The automatic excitation device excites the pulse signal at the cross section of the column head, and reflects at the other end of the column. The elastic wave propagation time is calculated by the signal analysis software, and the buried depth is obtained by combining the actual elastic wave velocity.
Test items
Test object: column buried in soil/concrete
Test content: length, depth of immersion
Steel pile
product description
Sichuan Shengtuo Testing Technology Co., Ltd. provides steel railing column buried deep impact elastic wave detector. The equipment is mainly used for highway steel (steel pipe, steel pile, etc.) guardrail column length and buried depth detection, to improve road traffic. Security has important practical significance. And the equipment is in accordance with the national standard "steel guardrail column buried deep impact elastic wave detector (GB/T24967-2010)" instrument.
Steel Pipe
Instrument selection
Steel guardrail column buried deep impact elastic wave detector