Method and bed material for installing road heating

Details Method and bed material for installing road heating Method and bed material for installing road heating

E - Fixed Constructions

01

C

E01C 11/26 (2006.01) E01C 3/06 (2006.01)

Patent

CA 2134143

Abstract This invention is to provide a road heating method and bed material which make possible to install in an extremely short period of time the concrete layer surrounding the heating source, regardless of the shape of the construction area, and which raises the thawing efficiency above conventional concrete layers. To achive this suject, this invention is to be comprises forming an adiabatic bottom layer through placing gravel at the base of an excavation and arranging thin aluminum foil on the surface of this gravel, then introducing a mesh material on the the surface of said aluminum foil and placing down the means for heating, then placing a water permeable thin film material on top of said means for heating, and then taking an adiabatic top layer by arranging dry sand and cement mixed at a ratio of approximately 3:1 on top of this, and finally applying surface finishing materials on top of this adiabatic top layer. Moreover, in order to make the state of installation better, the above-mentioned aluminum material that is arranged on the ground may comprise, for instance, aluminum foil tape with a thickness of 0.5-1.5 mm and a top-to-bottom width of 3-7 mm that is formed into the shape of a spiral, wherein the width of the spiral is shaped to 5-15 mm; furthermore, in order to raise the thawing efficiency, there are cases in which the aluminum material is mixed with a transition metal and/or silica.

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