Temporary pavement marking (TPM) tape adhesion with roadway surfaces is critical for tape performance. The two main TPM performance issues both stem from the adhesive strength. Weak adhesion results in premature detachment and excessive adhesion requires extensive removal processes that often leave ghost markings, both of which can cause dangerous confusion in road construction zones. Tape adhesion is directly related to the elastic modulus [Formula: see text] of TPM tapes. Thus, accurate characterization of [Formula: see text] before tape installation is essential to fully understand and predict the adhesion performance and ultimately the durability of TPMs. To determine the most appropriate [Formula: see text] characterization technique for three different commercial TPM tape brands, two commonly used techniques—tensile and three-point bend testing—were compared with a less common technique, the Peirce cantilever testing or “Tape Drape Test” (ASTM D1388-18). The Tape Drape Test was the only method that accurately characterized [Formula: see text] of tapes with raised surface features. Measured [Formula: see text] values from tensile and three-point bend testing showed significant variation caused by the structural features of the tapes. The Tape Drape Test, which can be implemented quickly in the field before tape installation with little equipment, effectively characterized [Formula: see text] for all the tapes to inform tape adhesion performances and installation procedures.
Assessing the Elastic Moduli of Pavement Marking Tapes using the Tape Drape Test
Transportation Research Record
Transportation Research Record: Journal of the Transportation Research Board ; 2675 , 8 ; 570-579
2021-03-03
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
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