Precast wall system

Abstract

Disclosed herein are various embodiments of systems related to modular earth retaining wall systems. In one embodiment, among others, a precast retaining wall block configured for assembly into a retaining wall includes a front face portion, a web portion extending outwardly from a rear surface of the front face portion, a rear panel portion, and a geogrid material wrapped around at least a portion of the rear panel portion and extending outwardly from the rear panel portion.

Therefore, at least the following is claimed: 
     
         1 . A retaining wall, comprising:
 a precast retaining wall block comprising an opening defined by interior walls of the precast retaining wall block and extending from a top surface and a bottom surface of the precast retaining wall block; and   a geogrid material that wraps around a rear panel portion of the precast retaining wall block, a first end of the geogrid material and a second end of the geogrid material extending outwardly from the precast retaining wall block and embedded in an earth material for support.   
     
     
         2 . The retaining wall of  claim 1 , wherein the interior walls of the precast retaining wall block comprise a front face portion, a first web portion, a second web portion, and the rear panel portion. 
     
     
         3 . The retaining wall of  claim 2 , wherein the first web portion and the second web portion of the precast retaining wall block are adjacent to the front face portion and extend outwardly from a rear surface of the front face portion. 
     
     
         4 . The retaining wall of  claim 2 , wherein the first web portion and the second web portion each comprise a respective vertical center portion extending from the top surface to the bottom surface of the precast retaining wall block. 
     
     
         5 . The retaining wall of  claim 4 , further comprising at least one bottom protrusion extending outwardly from a lower portion of the respective vertical center portion. 
     
     
         6 . The retaining wall of  claim 2 , wherein the precast retaining wall block further comprises;
 a first anchor bar extending within the front face portion between a left side and a right side of the front face portion; and   a second anchor bar extending through a second opening of the rear panel portion that is configured to hook around the first anchor bar.   
     
     
         7 . The retaining wall of  claim 2 , wherein the precast retaining wall block is a first precast retaining wall block of a plurality of precast retaining wall blocks, and further comprising a second precast retaining wall block adjacent to the first precast retaining wall block. 
     
     
         8 . The retaining wall of  claim 7 , further comprising a drainage material on a rear surface of the front face portion of both the first precast retaining wall block and the second retaining wall block between the first web portion of the first precast retaining wall block and the second web portion for the second precast retaining wall block. 
     
     
         9 . The retaining wall of  claim 1 , wherein the rear panel portion comprises a second opening extending from an interior wall of the rear panel portion to an outer wall of the rear panel portion. 
     
     
         10 . The retaining wall of  claim 1 , wherein the retaining wall comprises a plurality of precast retaining wall blocks, individual ones of the plurality of precast retaining wall blocks having a respective geogrid material wrapped around a respective rear panel portion of a respective retaining wall block. 
     
     
         11 . A precast retaining wall system comprising:
 a first course comprising a first precast retaining wall block; and   a second course comprising a second precast retaining wall block, the second course being on top of the first course;   the first precast retaining wall block and the second precast retaining wall block each comprising:
 a front face portion comprising a front surface, a rear surface, a top surface, and a bottom surface; 
 at least two web portions adjacent to the front face portion and extending outwardly from the rear surface of the front face portion; 
 a rear panel portion extending between the at least two web portions; 
 a opening defined by interior walls of the front face portion, the at least two web portions, and the rear panel portion; and 
 a geogrid material having a planar elongated body with a first part, a second part, and a third part, the first part and the second part extending outwardly from the rear panel portion and embedded in an earth material, and the third part connecting the first part and the second part and extending through the opening. 
   
     
     
         12 . The precast retaining wall system of  claim 11 , wherein the at least two web portions extend beyond the rear panel portion of the respective precast retaining wall block. 
     
     
         13 . The precast retaining wall system of  claim 11 , wherein the second precast retaining wall block further comprises a soil nail connection extending through a second opening of the rear panel portion and secured in the earth material. 
     
     
         14 . The precast retaining wall system of  claim 11 , further comprising a traffic barrier coupled to the first course or the second course. 
     
     
         15 . The precast retaining wall system of  claim 11 , further comprising an earth anchor connecting a beamed connection to material behind the precast retaining wall system. 
     
     
         16 . A precast retaining wall block comprising:
 a front face portion comprising a front surface, a rear surface, a top surface, and a bottom surface;   at least two web portions adjacent to the rear surface of the front face portion and extending outwardly from the rear surface;   a rear panel portion extending between the at least two web portions; and   a geogrid material wrapped around at least a portion of the rear panel portion and extending outwardly from the rear panel portion,   the precast retaining wall block being configured for assembly into a retaining wall comprising a plurality of stacked rows of at least a plurality of precast retaining wall blocks.   
     
     
         17 . The precast retaining wall block of  claim 16 , wherein the at least two web portions comprise a plurality of bottom protrusions and a vertical center portion extending from the top surface to the bottom surface of the front face portion. 
     
     
         18 . The precast retaining wall block of  claim 16 , wherein at least a portion of the geogrid material is embedded in an earth material. 
     
     
         19 . The precast retaining wall block of  claim 16 , further comprising a first reinforcing bar extending within the front face portion between a left side and a right side of the front face portion. 
     
     
         20 . The precast retaining wall block of  claim 16 , wherein the rear panel portion further comprises an opening extending from an interior wall of the rear panel portion through an exterior wall of the rear panel portion, and further comprising an anchor connection extending through the opening of the rear panel portion and configured to be secured in an earth material behind the precast retaining wall block.