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Geoengineering constructions for use in railways

A technique of construction, railways, used in the field of geotechnical construction for railways

Pending Publication Date: 2020-09-18
TENSAR TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, none of the known methods for mitigating Rayleigh waves are commercially attractive because of their cost, as they make laying new high-speed railways on such soft ground a very expensive endeavor

Method used

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  • Geoengineering constructions for use in railways
  • Geoengineering constructions for use in railways
  • Geoengineering constructions for use in railways

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Embodiment Construction

[0165] It should be noted that embodiments and features described in the context of one of the aspects or embodiments of the invention also apply to the other aspects of the invention, whether or not these features are stated as preferred or in similar terms. Although embodiments have been disclosed in the specification with reference to specific examples, it will be appreciated that the invention is not limited to those embodiments. Accordingly, all intermediate generalizations between the broadest scope of the invention described herein and each embodiment and / or example described herein are deemed to encompass the present invention. Any combination and / or mixture of features described in one embodiment of the invention may be applied by analogy or otherwise to any other embodiment of the invention and are contemplated to comprise the invention. Various modifications will become apparent to those skilled in the art and may be acquired from practice of the invention, and to t...

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Abstract

A railway geogrid construction suitable for use with high speed trains comprising: a track bed which defines a track located on a track plane; a mass of particulate material forming a layer located beneath the track plane; and a geogrid located in and / or below the particulate mass in a plane substantially parallel to the track plane where the average distance between the track plane and geogrid plane, measured perpendicular to both is greater than 0.65 metre.

Description

technical field [0001] The present invention relates to the use of geogrids comprising polymeric material in the form of a network structure wherein the polymers are molecularly oriented to provide the geogrid with desired properties such as strength and / or stiffness to stabilize the particulate material Layers such as aggregate, soil and / or ballast (etc.) for railway track foundations. The invention also relates to geotechnical constructions, such as railway track foundations stabilized with geogrids, which constructions are particularly suitable as foundations for layable tracks, which are designed for high-speed trains. Background technique [0002] Geogrids have been used to stabilize the track beds of railways since the 1980s. The most recent review article on the use of railway geogrids is "Use of Geogrid in Subgrade Ballast Systems of Railroads Subjected to Cyclic Loading for Reducing Maintenance", BM Das, California State University, 2013 (hereinafter "Das"). Das p...

Claims

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Application Information

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IPC IPC(8): E01B1/00E01B2/00E01C3/00
CPCE01B1/001E01B2/00E01B3/00E01C3/00E01B1/00E01B2/006E01B26/00E01B27/02
Inventor 迈克·霍顿
Owner TENSAR TECH
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