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US5809716: System and method widening a highway and supporting a sound wall

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Filing Information

Inventor(s) Jack Thomas Elmore · Victor Elias · Longine Wojciechowski ·
Assignee(s) JTE, Inc. ·
Attorney/Agent(s) Sixbey, Friedman, Leedom & Ferguson ·
Primary Examiner Creighton Smith ·
Application Number US8893649
Filing date 07/11/1997
Issue date 09/22/1998
Predicted expiration date 02/22/2015
U.S. Classifications 52/258  · 405/284  · 52/260  ·
International Classifications E04B 100  ·
Kind CodeA
International Classifications 52250;251;258;259;252;260;741.11;742.14;795.17 ·
Related U.S. Application DataThis application is a continuation of U.S. patent application Ser. No. 08/676,489 filed Jul. 8, 1996 now U.S. Pat. No. 5,713,170, which in turn is a continuation of Ser. No. 08/427,368, filed Apr. 26, 1995 (now U.S. Pat. No. 5,537,788) which is a continuation of U.S. patent application Ser. No. 08/392,476, filed Feb. 22, 1995 (now U.S. Pat. No. 5,572,847).
16 Claims, No Drawings


Abstract

A system and method for widening a highway and supporting a sound wall is provided that includes a single row of caissons for providing the sole foundation of a breast wall and a sound wall. The caissons include a vertically-oriented network of reinforcing steel, an upper portion of which is integrated into the steel reinforcing network of a cast-in-place breast wall. The sound wall is mounted on and supported by the top ends of the caissons and serves to obstruct the transmission of sound from the highway. The vertically-oriented reinforcing members of the caissons are spaced away from the center portion of each caisson in two opposing groups in order to maximize its bending strength in a direction orthogonal to the highway, which is the primary direction in which cut earth, compacted fill material, and winds apply bending moments to the breast wall and sound wall. The use of a single row of caissons having a high bending strength in a direction orthogonal to the highway minimizes the labor and materials necessary to support the breast wall and the sound wall, and advantageously minimizes the amount of space necessary to excavate and construct the foundation.

Independent Claims | See all claims (16)

  1. 1. A support structure under a breast wall for retaining ground or a fill material, said support structure to be embedded in terrain flanking a highway and comprising:a row of spaced caissons formed so as to be embedded in said terrain flanking said highway to provide a foundation under said breast wall, said caissons extending into said breast wall and including a caisson network of internal reinforcing members that strengthens said caissons and interlinking said caissons with said breast wall, the caissons being formed of cementitious material cast over said caisson reinforcing network and having ground level portions,said breast wall including a leveling pad formed from cementitious material integrally cast over said ground level portions of said caissons and extending between and structurally interconnecting said caissons, said breast wall further including a breast wall network of reinforcing members, the breast wall being cast in place over said caisson and breast wall reinforcing networks.
  2. 6. A support structure under a breast wall for retaining ground or a fill material, said support structure to be partially embedded in terrain flanking a highway and comprising:a row of spaced caissons formed so as to be embedded in said terrain flanking said highway to provide a foundation under said breast wall, each of said caissons having a ground level portion and including a caisson network of internal reinforcing members that strengthens said caisson and interlinking said caisson with said breast wall, the caissons being formed of cementitious material cast over said caisson reinforcing network,said breast wall extending between said spaced caissons and including a breast wall network of reinforcing members that is interspersed with reinforcing members of said caisson networks, the breast wall also including a leveling pad formed from cementitious material that extends between and interconnects said caissons, said leveling pad being cast in place over said caisson reinforcing networks to form a portion of the ground level portion of each said caisson integral with said leveling pad of said breast wall.
  3. 11. A system for widening a highway flanked by irregular terrain, comprising:a row of caissons formed in terrain that provides a foundation for a breast wall and a sound wall, said caissons each having a ground level portion and being formed from hardenable cementitious material cast over a network of reinforcing members;a breast wall including wall sections and a leveling pad that extends between and interconnects said caissons, said breast wall being formed from cementitious material cast over a network of reinforcing members that includes said network of reinforcing members of said caissons, wherein at least a portion of the cementitious material forming the leveling pad of the breast wall is integrally cast over the cementitious material forming the caissons at said ground level portions thereof, anda sound wall supported by said breast wall.
  4. 14. A method for widening a highway flanked by irregular terrain and for providing support under a sound wall comprising the steps of:excavating a level strip of ground in said terrain that is parallel to said highway;drilling a single row of vertically oriented holes in said level strip of ground;laying vertically oriented caisson reinforcing members in said holes whose upper ends extend above said holes;pouring a hardenable, cementitious material into said holes to fill said holes to substantially ground level and form a row of spaced, support members, ground embedded;casting a hardenable, cementitious material over the ground level portions of said support members to form a leveling pad that extends between said support members;providing a breast wall network of reinforcing members over said leveling pad such that at least some of the upper ends of said caisson reinforcing members are interspersed throughout said breast wall network of reinforcing members, andcasting a hardenable, cementitious material over said leveling pad to form breast wall sections that are reinforced by both said caisson and breast wall reinforcing members.

References Cited

U.S. Patent Documents

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Referenced By

Document NumberAssigneeInventorsIssue/Pub Date
US6079909 JTE, Inc. Jack Thomas Elmore et al. Jun 2000

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