Patching road beds

Abstract

A method of patching asphalt and concrete road beds is disclosed comprising the steps of removing debris from a hole in the road bed, filling the hole with a patching material comprised of at least 40% iron metallurgical material having a size of at least 50% between −6 and +100 mesh, and a dilute acidic activator comprised of phosphate anions between 30% and 75%, and combining the iron metallurgical material and the dilute acidic activator to form iron ceramic material.

What is claimed is: 
     
         1 . A method of patching asphalt and concrete road beds comprising the following steps:
 (a) removing debris from a hole in a road bed;   (b) filling the hole with a patching material comprised of at least 40% iron metallurgical material having a size of at least 50% between −6 and +100 mesh, and a dilute acidic activator comprised of phosphate anions between 30% and 75%; and   (c) combining the iron metallurgical material and the dilute acidic activator to form iron ceramic material.   
     
     
         2 . The method of patching asphalt and concrete road beds of  claim 1  further comprising adding recycled material selected from the group consisting of asphalt, concrete and a mixture of asphalt and concrete. 
     
     
         3 . The method of patching asphalt or concrete road beds of  claim 2  where the recycled material is oily. 
     
     
         4 . The method of patching asphalt and concrete road beds of  claim 1  where the combined iron metallurgical material and dilute acidic activator forming iron ceramic material provide a compressive strength of at least 1000 psi with a 2 inch by 4 inch test cylinder. 
     
     
         5 . The method of patching asphalt and concrete road beds of  claim 2  where the combined iron metallurgical material and dilute acidic activator forming iron ceramic material provide a compressive strength of at least 1000 psi with a 2 inch by 4 inch test cylinder. 
     
     
         6 . The method of patching asphalt and concrete road beds of  claim 1  where the iron metallurgical material has a size of at least 20% between −14 and +28 mesh. 
     
     
         7 . The method of patching asphalt and concrete road beds of  claim 1  where the patching material comprises in addition an antifreeze material. 
     
     
         8 . The method of patching asphalt and concrete road beds of  claim 1  where the phosphate anions are formed from dilute phosphoric acid. 
     
     
         9 . A method of patching asphalt and concrete road beds comprising the following steps:
 (a) removing debris from a hole in the road bed;   (b) filling the hole with a patching material comprised of at least 40% FeO having a size of at least 50% between −6 and +100 mesh, and a dilute acidic activator comprised of phosphate anions between 30% and 75%; and   (c) combining the FeO and the dilute acidic activator to form iron ceramic material.   
     
     
         10 . The method of patching asphalt and concrete road beds of  claim 9  further comprising adding recycled material selected from the group consisting of asphalt, concrete and a mixture of asphalt and concrete. 
     
     
         11 . The method of patching asphalt or concrete road beds of  claim 10  where the recycled material is oily. 
     
     
         12 . The method of patching asphalt and concrete road beds of  claim 9  where the combined iron metallurgical material and dilute acidic activator forming iron ceramic material provide a compressive strength of at least 1000 psi with a 2 inch by 4 inch test cylinder. 
     
     
         13 . The method of patching asphalt and concrete road beds of  claim 10  where the combined iron metallurgical material and dilute acidic activator forming iron ceramic material provide a compressive strength of at least 1000 psi with a 2 inch by 4 inch test cylinder. 
     
     
         14 . The method of patching asphalt and concrete road beds of  claim 9  where the FeO has a size of at least 20% between −14 and +28 mesh. 
     
     
         15 . The method of patching asphalt and concrete road beds of  claim 9  where the patching material comprises in addition an antifreeze material. 
     
     
         16 . The method of patching asphalt and concrete road beds of  claim 9  where the phosphate anions are formed from dilute phosphoric acid. 
     
     
         17 . A patching material for asphalt and concrete road beds comprising:
 a patching material comprised of at least 40% iron metallurgical material having a size of at least 50% between −6 and +100 mesh; and   an dilute acidic activator comprised of phosphate anions between 30% and 75%.   
     
     
         18 . The patching material for asphalt and concrete road beds as claimed in  claim 17  where the iron metallurgical material is combined with the dilute acidic activator to form iron ceramic material. 
     
     
         19 . The patching material for asphalt and concrete road beds as claimed in  claim 17  further comprising a recycled material selected from the group consisting of asphalt, concrete and a mixture of asphalt and concrete. 
     
     
         20 . The patching material for asphalt and concrete road beds as claimed in  claim 19  where the iron metallurgical material, the dilute acidic activator, and the recycled material are combined to form iron ceramic material. 
     
     
         21 . The patching material for asphalt and concrete road beds as claimed in  claim 19  where the recycled material is oily. 
     
     
         22 . The patching material for asphalt and concrete road beds as claimed in  claim 18  where the combined iron metallurgical material and dilute acidic activator forming iron ceramic material provide a compressive strength of at least 1000 psi with a 2 inch by 4 inch test cylinder. 
     
     
         23 . The patching material for asphalt and concrete road beds as claimed in  claim 20  where the combined iron metallurgical material, the dilute acidic activator, and the recycled material forming iron ceramic material provide a compressive strength of at least 1000 psi with a 2 inch by 4 inch test cylinder. 
     
     
         24 . The patching material for asphalt and concrete road beds as claimed in  claim 17  where the iron metallurgical material has a size of at least 20% between −14 and +28 mesh. 
     
     
         25 . The patching material for asphalt and concrete road beds as claimed in  claim 17  where the patching material comprises in addition an antifreeze material. 
     
     
         26 . The patching material for asphalt and concrete road beds as claimed in  claim 17  where the phosphate anions are formed from dilute phosphoric acid. 
     
     
         27 . A patching material for asphalt and concrete road beds comprising:
 a patching material comprised of at least 40% FeO having a size of at least 50% between −6 and +100 mesh; and   an dilute acidic activator comprises phosphate anions between 30% and 75%.   
     
     
         28 . The patching material for asphalt and concrete road beds as claimed in  claim 27  where the iron metallurgical material is combined with the dilute acidic activator to form iron ceramic material. 
     
     
         29 . The patching material for asphalt and concrete road beds as claimed in  claim 27  further comprising a recycled material selected from the group consisting of asphalt, concrete and a mixture of asphalt and concrete. 
     
     
         30 . The patching material for asphalt and concrete road beds as claimed in  claim 29  where the iron metallurgical material, the dilute acidic activator, and the recycled material are combined to form iron ceramic material. 
     
     
         31 . The patching material for asphalt and concrete road beds as claimed in  claim 29  where the recycled material is oily. 
     
     
         32 . The patching material for asphalt and concrete road beds as claimed in  claim 28  where the combined iron metallurgical material and dilute acidic activator forming iron ceramic material provide a compressive strength of at least 1000 psi with a 2 inch by 4 inch test cylinder. 
     
     
         33 . The patching material for asphalt and concrete road beds as claimed in  claim 30  where the combined iron metallurgical material, the dilute acidic activator, and the recycled material provide a compressive strength of at least 1000 psi with a 2 inch by 4 inch test cylinder. 
     
     
         34 . The patching material for asphalt and concrete road beds as claimed in  claim 27  where the iron metallurgical material has a size of at least 20% between −14 and +28 mesh. 
     
     
         35 . The patching material for asphalt and concrete road beds as claimed in  claim 27  where the patching material comprises in addition an antifreeze material. 
     
     
         36 . The patching material for asphalt and concrete road beds as claimed in  claim 27  where the phosphate anions are formed from dilute phosphoric acid. 
     
     
         37 . A method for preparing a patching material for filling holes in asphalt and concrete road beds comprising the steps of:
 (a) adding phosphate and water to form an acidic activator; and   (b) combining the acidic activator with a patching material comprised of at least 40% iron metallurgical material having a size of at least 50% between −6 and +100 mesh.   
     
     
         38 . The method for preparing a patching material for filling holes in asphalt and concrete road beds as claimed in  claim 37  further comprising adding an antifreeze material to the patching material. 
     
     
         39 . The method for preparing a patching material for filling holes in asphalt and concrete road beds as claimed in  claim 37  where the phosphate anions are formed from dilute phosphoric acid. 
     
     
         40 . The method for preparing a patching material for filling holes in asphalt and concrete road beds as claimed in  claim 37  where the iron metallurgical material has a size of at least 20% between −14 and +28 mesh. 
     
     
         41 . A method for preparing a patching material for filling holes in asphalt and concrete road beds comprising the steps of:
 (c) adding phosphate and water to form an acidic activator;   (d) combining the acidic activator with a patching material comprised of at least 40% FeO having a size of at least 50% between −6 and +100 mesh.   
     
     
         42 . The method for preparing a patching material for filling holes in asphalt and concrete road beds as claimed in claim further  41  comprising adding an antifreeze material to the patching material. 
     
     
         43 . The method for preparing a patching material for filling holes in asphalt and concrete road beds as claimed in  claim 41  where the phosphate anions are formed from dilute phosphoric acid. 
     
     
         44 . The method for preparing a patching material for filling holes in asphalt and concrete road beds as claimed in  claim 41  where the iron metallurgical material has a size of at least 20% between −14 and +28 mesh.