This standard specifies the working principle and structure, technical requirements, test methods, inspection rules, marking, packaging, transportation and storage of the rear-plug automatic pavement deflection tester (hereinafter referred to as the automatic deflection tester). This standard only applies to the production, inspection and use of test beam back-insertion automatic deflection testers.
JT/T 699-2007 Referenced Document
GB 9969.1 General principles for preparation of instructions for use of industrial products
JTJ 059 On-the-spot test regulations for highway subgrade and pavement
JT/T 699-2007 history
2007JT/T 699-2007 Auto-detect meter of back-insert type for road deflection