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公路强度的测定,长期使用笨重的承载测量方法,现在虽使用了回弹弯沉仪,但需汽车装载施测,仪具仍然笨重,劳动强度较大,效率不高。我们科研小组在1977年春初步试制成公路强度电测仪,用它测路面强度
Determination of road strength, long-term use of bulky load measurement methods, although the use of the rebound deflection analyzer, but the car load test, the instrument is still bulky, labor-intensive, inefficient. Our research group tentatively made a road test instrument in spring of 1977 to measure the strength of road surface