Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Recessed Reflective Marker Feasibility Study
The delineation of roadways under wet-night conditions by conventional glass bead highway markings is generally poor. Many states, especially in the north, have complemented the painted markings by reflectors positioned adjacent to, or in line with, the normal striping. The reflectors which have been placed in recessed grooves have shown low susceptibility to damage from snowplows. Manual installation of reflectors after the pavement has been placed requires cutting of the pavement to provide the groove. Approximately 45% of the installed cost of such reflectors is for the diamond cutting blades required to prepare the pavement. Due to the high cost of manual installation, the Federal Highway Administration (FHWA) undertook the 'Recessed Reflective Marker Feasibility Study'. The program was divided into two major phases. Phase I covered the preliminary assessment of candidate systems for forming the grooves during paving operations; Phase II covered the testing and evaluation of candidate systems. The report documents the results of the study.
Recessed Reflective Marker Feasibility Study
The delineation of roadways under wet-night conditions by conventional glass bead highway markings is generally poor. Many states, especially in the north, have complemented the painted markings by reflectors positioned adjacent to, or in line with, the normal striping. The reflectors which have been placed in recessed grooves have shown low susceptibility to damage from snowplows. Manual installation of reflectors after the pavement has been placed requires cutting of the pavement to provide the groove. Approximately 45% of the installed cost of such reflectors is for the diamond cutting blades required to prepare the pavement. Due to the high cost of manual installation, the Federal Highway Administration (FHWA) undertook the 'Recessed Reflective Marker Feasibility Study'. The program was divided into two major phases. Phase I covered the preliminary assessment of candidate systems for forming the grooves during paving operations; Phase II covered the testing and evaluation of candidate systems. The report documents the results of the study.
Recessed Reflective Marker Feasibility Study
B. A. Bodenheimer (Autor:in)
1985
33 pages
Report
Keine Angabe
Englisch