Protecting system for roadway adjacent areas

Details Protecting system for roadway adjacent areas Protecting system for roadway adjacent areas

1975-04-14

1977-04-05

Franklin, Lawrence R.

Acoustics

Auditorium

181 33HE, G10K 1100

Patent

active

040156826

ABSTRACT:
A roadway with a noise protecting assembly for controlling sound emanating from the roadway. The assembly comprises a plurality of walls having a width disposed vertically above the roadway and a length disposed in a direction parallel to the center line of the roadway. The walls are laterally spaced with respect to each other across the width of a frame structure thereby forming intervals therebetween. The assembly is effective to prevent the direct path of sound from a source of noise on the roadway to objects in the vicinity of the roadway which is the source of the noise.

REFERENCES:
patent: 2519162 (1950-08-01), Tucker
patent: 2685936 (1954-08-01), Brenneman et al.
patent: 2726830 (1955-12-01), Brown et al.
patent: 2730942 (1956-01-01), Peterson
patent: 3783968 (1974-01-01), Derry
patent: 3812931 (1974-05-01), Hauskins
Harris, C. M., "Handbook of Noise Control," McGraw-Hill Book Co., Inc., New York, 1957, pp. 2-5, 2-6.
Kettinger, M., "Noise Level Reduction of `Depressed` Freeways," Noise Control, vol. 5, No. 4, July 1959, pp. 12-14, and 54.

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