Patent ID: 8727665
Filing Date: 2014-05-20
Classification: E02F,G02B

Abstract:
1. A method for introducing at least one pipe into a solid bed comprising a concrete or asphalt surface, the method comprising: forming, by milling or cutting, a groove in a solid bed comprising a concrete or asphalt surface, the groove including a bottom, at least one side wall extending up from the bottom, the at least one side wall having a supporting step having a top side at an upper end of the at least one side wall, the step constructed and adapted such that forces pressing down on the top side of the step are transmitted down into the at least one side wall; laying at least one pipe into the groove at a height above the bottom, but below the top side of the step; and disposing a load bearing material over the at least one pipe with at least a portion of the load bearing material over at least a portion of the step, the load bearing material having a unitary structure or being hardenable to form a unitary structure, the load bearing material constructed of materials and configured and positioned with respect to the step, such that when a force is applied onto the load bearing material, the force is transmitted through the load bearing material, onto the step and down into the at least one side wall, thereby protecting the at least one pipe from damage resulting from said force.