FIELD: road construction: means for in-situ check-up of pavement under constructed or in service. SUBSTANCE: staff is, essentially, beam provided with supporting base mounted on two projections arranged on beam edges along its entire length; beam is made in the form of enclosed rectangular-section duct whose vertical walls constitute mentioned projections. EFFECT: improved measurement accuracy due to reduced angle of transversal turn. 4 dwg
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Authors
Dates
2000-09-27—Published
1998-01-05—Filed