Bridge foundation pile steel reinforcement cage length detection apparatus and detection method

• Main Authors: CHEN PING, LI YONGPAN, LIU WEIWEI, GAO XIANG, BAO QUANLI, ZHAO XIAOPING, WEN GUANGYU, SUN JING, TIAN HAOLIN, ZHANG YONGMING, ZOU BAOGANG
• Format: Patent
• Language: Chinese; English
• Published: 01.02.2017
• Subjects: MEASURING; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS; MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS; PHYSICS; TESTING

The invention discloses a bridge foundation pile steel reinforcement cage length detection apparatus which comprises a terahertz transceiver, a terahertz detection device and a computer wherein the terahertz transceiver consists of a terahertz emitter and a terahertz detector. The output side of the terahertz emitter is provided with a first optical mechanism for sending the terahertz waves emitted by the terahertz emitter to a to-be-measured bridge foundation pile; the input side of the terahertz detector is provided with a second optical mechanism for transmitting the terahertz waves reflected through the bridge foundation pile to the terahertz detector which converts the terahertz waves into electrical signals that are transmitted to the terahertz detection device. The terahertz transceiver is used to scan the bridge foundation pile in the length direction of the bridge foundation pile and the terahertz detection device is used to collect the electrical signals outputted by the terahertz detector and uploa