Patents Assigned to Terratech Consulting Ltd.
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Patent number: 9243380Abstract: A reinforced soil arch having a floating footer is provided. The reinforced soil arch has an archway form, a plurality of layers of reinforcement material and compacted fill associated with the archway form, and a floating footer supporting the archway form. The archway form floats on a compressible squeeze block in the floating footer. Methods of constructing a reinforced soil arch are provided.Type: GrantFiled: June 10, 2013Date of Patent: January 26, 2016Assignee: Terratech Consulting Ltd.Inventor: Calvin D. VanBuskirk
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Patent number: 8215869Abstract: A reinforced soil arch having an archway form, a combination of alternating and interacting layers of compacted mineral soil and geosynthetic reinforcement material placed over and adjacent to the archway form, and a plurality of shear resisting devices secured to the exterior surface of the archway form. The shear resisting devices cause the archway form and the combination of alternating layers of compacted mineral soil and geosynthetic reinforcement material to act as an integral unit when static or dynamic loads are placed on the reinforced soil arch. Methods for constructing a reinforced soil arch are provided.Type: GrantFiled: July 27, 2009Date of Patent: July 10, 2012Assignee: Terratech Consulting Ltd.Inventor: Calvin D. VanBuskirk
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Publication number: 20110020066Abstract: This invention relates to a novel design of reinforced soil arches which can be used to construct bridges, overpasses, underpasses, snow sheds, landslide and rock fall protection structures, and the like. The reinforced soil arch comprises alternating layers of compacted mineral soil and geosynthetic reinforcement located on and adjacent to each side of an arch form to construct a versatile and environmentally compatible reinforced soil arch that can be used for numerous purposes.Type: ApplicationFiled: July 27, 2009Publication date: January 27, 2011Applicant: Terratech Consulting Ltd.Inventor: Calvin D. VanBuskirk
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Patent number: 7559720Abstract: A culvert bundle and fill assembly for stream crossings and flow-through bridge abutments comprising: (a) a first separator fabric; (b) a plurality of culverts placed on the fabric adjacent to one another along their lengths; (c) a plurality of triangular cross-section blocks placed in pairs in upper and lower spaces between adjacent culverts; (d) a plurality of fasteners placed around the plurality of culverts and blocks for holding the culverts and blocking in position; (e) a second separator fabric placed over the plurality of culverts and blocks; and (f) soil or other fill placed over the second separator fabric and the plurality of culverts and blocking to create a road or other crossing structure surface.Type: GrantFiled: April 27, 2007Date of Patent: July 14, 2009Assignee: Terratech Consulting Ltd.Inventors: Ronald J. Neden, Calvin D. VanBuskirk
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Publication number: 20070253775Abstract: This invention relates to road construction and, more particularly, culvert bundles that are used in the construction of roads or other structures across streams and rivers. A culvert bundle and fill assembly for stream crossings and flow-through bridge abutments comprising: (a) a first separator fabric placed over a streambed; (b) a plurality of culverts placed on the fabric and blocked into position; (c) a plurality of bands, cables, strapping fasteners or other restrainers holding the culverts and blocking in position; (d) a second separator fabric placed over the plurality of culverts; and (e) soil or other fill placed over the second separator fabric and the plurality of culverts and blocking to create a road or other crossing structure surface.Type: ApplicationFiled: April 27, 2007Publication date: November 1, 2007Applicant: TERRATECH CONSULTING LTD.Inventors: Ronald J. Neden, Calvin D. VanBuskirk
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Patent number: 7080956Abstract: This invention relates to a novel design of an open bottom box culvert which can be used to enable roads, highways and other infrastructure to cross streams without infringing on the wetted perimeter of a stream or interrupting the stream gradient. More particularly, this invention pertains to an innovative use of mineral soil (clay, silt, sand, gravel, cobbles, boulders, broken rock, ice or mixtures of any or all of the foregoing), concrete or wood abutments and metal such as steel, and in some cases geosynthetics, to construct an open bottom box culvert structure which can be erected over a stream or creek and enable vehicular loads and other infrastructure to cross the stream or creek.Type: GrantFiled: November 4, 2005Date of Patent: July 25, 2006Assignee: Terratech Consulting Ltd.Inventors: Ronald J. Neden, Calvin D. VanBuskirk
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Publication number: 20060115330Abstract: This invention relates to a novel design of an open bottom box culvert which can be used to enable roads, highways and other infrastructure to cross streams without infringing on the wetted perimeter of a stream or interrupting the stream gradient. More particularly, this invention pertains to an innovative use of mineral soil (clay, silt, sand, gravel, cobbles, boulders, broken rock, ice or mixtures of any or all of the foregoing), concrete or wood abutments and metal such as steel, and in some cases geosynthetics, to construct an open bottom box culvert structure which can be erected over a stream or creek and enable vehicular loads and other infrastructure to cross the stream or creek.Type: ApplicationFiled: November 4, 2005Publication date: June 1, 2006Applicant: Terratech Consulting Ltd.Inventors: Ronald Neden, Calvin VanBuskirk
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Patent number: 6874974Abstract: This invention relates to a novel design of reinforced soil arch which can be used to construct bridges, overpasses, snowsheds, landslide or rock fall protection structures, and the like. More particularly, this invention pertains to an innovative use of mineral soil (clay, silt, sand, gravel, cobbles, boulders, broken rock or mixtures of any or all of the foregoing) to construct a reinforced soil arch that can be used for numerous purposes. A method of constructing a reinforced soil arch comprising constructing an arch utilizing a combination of layers of compacted mineral soil and reinforcement in a manner that supports both the dead load of the structure and a live load imposed on the structure.Type: GrantFiled: July 8, 2003Date of Patent: April 5, 2005Assignee: Terratech Consulting Ltd.Inventors: Calvin D. VanBuskirk, Ronald J. Neden