Load-carrying concrete floor structure and method for building the load-carrying concrete floor structure

Abstract

A construction process for enhancing or repairing a concrete floor structure that includes a carbon fiber grid as a reinforcement component is disclosed. The process includes forming a trench at a top surface of the concrete floor structure and placing a reinforcement material in the formed trench. Then, a concrete bonding agent is applied into the trench. Then, the trench is filled with concrete. As a result, the concrete floor structure is enhanced or repaired to have at least one additional reinforcement component other than the carbon fiber grid.

What is claimed is: 
     
         1 . A load-carrying concrete floor structure, comprising:
 a flange; and   a supporting member that supports the flange;   wherein the flange includes:
 a first concrete layer, 
 a carbon fiber grid disposed on the first concrete layer, 
 a reinforcement material disposed over the carbon fiber grid, and 
 a second concrete layer disposed on the reinforcement material. 
   
     
     
         2 . The load-carrying concrete floor structure according to  claim 1 , wherein the flange further includes a third concrete layer disposed between the carbon fiber grid and the reinforcement material. 
     
     
         3 . The load-carrying concrete floor structure according to  claim 1 , wherein the flange further includes a bonding agent disposed between the carbon fiber grid and the reinforcement material. 
     
     
         4 . The load-carrying concrete floor structure according to  claim 1 , wherein the reinforcement material includes at least one selected from a group consisting of a steel reinforcing bar, an epoxy-coated reinforcing bar, a carbon fiber bar, a carbon fiber epoxy-based reinforcing bar, and a stainless steel bar. 
     
     
         5 . The load-carrying concrete floor structure according to  claim 1 , wherein the reinforcement material includes a steel reinforcing bar or a stainless steel bar. 
     
     
         6 . The load-carrying concrete floor structure according to  claim 1 , wherein the load-carrying concrete floor structure includes at least two supporting members that support the flange, and
 the reinforcement material is disposed over the carbon fiber grid between the at least two supporting members.   
     
     
         7 . The load-carrying concrete floor structure according to  claim 1 , wherein the reinforcement material is disposed 1.5 inches deep from a top surface of the flange. 
     
     
         8 . The load-carrying concrete floor structure according to  claim 1 , wherein the reinforcement material is disposed over the carbon fiber grid across an entire width of the flange. 
     
     
         9 . The load-carrying concrete floor structure according to  claim 1 , wherein the reinforcement material is disposed over the carbon fiber grid across at least a half of a width of the flange. 
     
     
         10 . The load-carrying concrete floor structure according to  claim 1 , wherein the reinforcement material is disposed at least 2 inches deep from a top surface of the flange. 
     
     
         11 . The load-carrying concrete floor structure according to  claim 1 , wherein the reinforcement material includes a positive moment reinforcement material and a negative moment reinforcement material over the positive moment reinforcement material. 
     
     
         12 . The load-carrying concrete floor structure according to  claim 1 , further comprising:
 a reinforcement member disposed below a bottom of the flange,   wherein an end of the reinforcement member is connected to a side of the supporting member.   
     
     
         13 . The load-carrying concrete floor structure according to  claim 1 , wherein the reinforcement member includes at least one selected from a group consisting of a steel reinforcing bar, an epoxy-coated reinforcing bar, a carbon fiber bar, a carbon fiber epoxy-based reinforcing bar, and a stainless steel bar. 
     
     
         14 . A construction structure comprising a plurality of load-carrying concrete floor structures, including:
 a first load-carrying concrete floor structure including a first flange and a first supporting member supporting a second flange;   a second load-carrying concrete floor structure including a second flange and a second supporting member supporting the second flange; and   a horizontal reinforcement member disposed below bottom surfaces of the first flange and the second flange,   wherein a first end of the horizontal reinforcement member is connected to a side of the first load-carrying concrete floor structure,   a second end of the horizontal reinforcement member is connected to a side of the second load-carrying concrete floor structure.   
     
     
         15 . The construction structure according to  claim 14 , further comprising:
 a vertical reinforcement member disposed below a portion in which the first flange adjoins the second flange,   wherein a first end of the vertical reinforcement member is connected to the bottom surface of the first flange and the bottom surface of the second flange with connectors, and   a second end of the vertical reinforcement member is connected to a side of the horizontal reinforcement member.   
     
     
         16 . The construction structure according to  claim 15 , wherein the horizontal reinforcement member or the vertical reinforcement member includes at least one selected from a group consisting of a steel reinforcing bar, an epoxy-coated reinforcing bar, a carbon fiber bar, a carbon fiber epoxy-based reinforcing bar, and a stainless steel bar. 
     
     
         17 . The construction structure according to  claim 14 , further comprising:
 a first vertical reinforcement member disposed below a bottom surface of the first flange; and   a second vertical reinforcement member disposed below a bottom surface of the second flange,   wherein a first end of the first vertical reinforcement member is connected to the bottom surface of the first flange and a second end of the first vertical reinforcement member is connected to a side of the horizontal reinforcement member,   a first end of the second vertical reinforcement member is connected to the bottom surface of the second flange and a second end of the second vertical reinforcement member is connected to a side of the horizontal reinforcement member.   
     
     
         18 . The construction structure according to  claim 17 , wherein the first and second vertical reinforcement members include at least one selected from a group consisting of a steel reinforcing bar, an epoxy-coated reinforcing bar, a carbon fiber bar, a carbon fiber epoxy-based reinforcing bar, and a stainless steel bar. 
     
     
         19 . A load-carrying concrete floor structure, comprising:
 a flange; and   a supporting member that supports the flange;   wherein the flange includes:
 a first concrete layer, 
 a carbon fiber grid disposed on the first concrete layer, wherein the carbon fiber grid comprises microcracks, 
 a reinforcement material disposed over the carbon fiber grid and configured to prevent the load-carrying concrete floor structure rupturing or breaking apart abruptly without any warning or with very little warning, and 
 a second concrete layer disposed on the reinforcement material. 
   
     
     
         20 . The load-carrying concrete floor structure according to  claim 19 , wherein the reinforcement material includes a steel reinforcing bar or a stainless steel bar.