wood railroad tie dimensions


wood railroad tie dimensions

The Railroad Spike - American-Rails.com An historical overview of the common railroad spike which fastens the rail to the tie via a tie-plate. . After testing various techniques from wood and stone to iron straps the B&O decided upon the latter system (thin pieces of iron nailed to wooden blocks) held in place longitudinally with wooden crossties. In addition, the B&O..

Patent US20030136858 - Internally resilient tie for railway track . Jul 24, 2003 . The Internally Resilient Railroad Tie consists of two independent booted blocks placed in a tie case, one under each rail. An elastomeric . The closure of claim 1 wherein the block is made of wood. 8. The closure .. Since the block is large, the size of the bottom elastomeric pad is large as well. As a result..

Patent US8727228 - Structure for railroad ties having data . - Google May 20, 2014 . Various alternatives to the use of solid wood railroad ties have been devised and are known in the prior art. Reinforced concrete ... During the extrusion process, various means for maintaining the cross-sectional profile and dimensions of the extruded body may be employed if needed. As a non-limiting..

Patent US8683842 - Railroad spikes and methods of making the . Apr 1, 2014 . A small yet critical component of railroads is a railroad spike. It is a relatively simple metal fastener numerous of which are used to secure the thousands of miles of railroad tracks to wooden crossties. FIG. 1A shows well known railroad spikes, which typically have a crude, asymmetrical shape. FIG

Patent US7690584 - Fastener for supporting railroad ties - Google . Apr 6, 2010 . A fastener for supporting a rail on a railroad tie using clips, includes an abrasion plate having an upper surface, and being constructed and arranged to fit on . is installed and to insulate said fastener from said clips, said insulators being formed with insulator holes having a n insulator hole dimension; and

Patent US4382547 - Railroad tie plate and correctable shim - Google May 10, 1983 . An article of manufacture for securing a train rail to a series of wooden ties, forming a railroad trackway system, wherein the rail has an upper flange for . a plurality of rail supporting base plates, each said base plate being disposed over a railroad tie and each having a width approximately the width of the..

Working On The Railroad? Using Concrete Could Help Environment . May 14, 2009 . Wood or concrete? Railroads around the world face that decision as they replace millions of deteriorating cross ties, also known as railway sleepers, . Crawford studied the greenhouse gas emissions of wooden and reinforced concrete sleepers based on one kilometer (0.62 miles) length of track over a..

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Patent US20140260643 - System for detecting spike killed railroad . Sep 18, 2014 . Railroad track generally consists of two parallel steel rails that are supported on a series of wooden sleepers or cross-ties that are perpendicular to the rails. The rails are fastened to the cross-ties through tie plates to maintain the track gauge or spacing of the two rails. Tie plates generally comprise a flat..

Patent US20120305663 - Wave Amplitude Attenuation and Wear . Dec 6, 2012 . Between the ties 1 tamped ballast 4 presses or grips wooden timber ties 1 and prevents tie 1 sliding in the horizontal plane. All these pieces: ties 1, ballast base 2, and tamped ballast 4 are necessary to maintain parallel rail 3 congruency in 3-dimensions. Below the ballast base 2 a hardpan 5 frequently..

The Railroad Ties, An Overview - American-Rails.com Railroad ties, also known as crossties or sleepers are the primary lateral support for the rails themselves, anchoring the track and giving it a solid, sound base upon which trains can pass over. Througout the years crosstie technology has improved to the point that today, the common hardwood tie which has been properly..

Patent US6336265 - Composite railroad cross tie and method of . Conventionally, railway or railroad cross ties or leepers have been formed from hardwood logs. The logs are cut into an elongated rectangular shape and typically have a width of between about 8 and 10 inches, a height of 6 to 8 inches, and a length of between about 7 and 9 feet. In use, the cross ties are positioned..

Patent US5361704 - Railroad track laying system with multiple . Nov 8, 1994 . A multiple railroad tie handling method includes simultaneously clamping a layer of closed packed, parallel concrete railroad ties, lifting and moving the clamped group toward a track bed, spreading the clamped ties to the required tie interval spacing, laterally aligning the clamped group with previously laid..

Railroad Property - American-Rails.com Ballast: A layer of material, which usually consists of either crushed rock, cinders, or gravel that is placed upon a railroad right-of-way, which holds railroad ties in place and allows for drainage and runoff. The term is also . Ground throw: A manual device to operate switches that is roughly the same height as the rail-head

Patent US3834620 - Precast railroad tie and tie plate - Google Patents A reenforced precast concrete railroad tie having rail supporting and anchoring plates integrally molded thereinto. The rail plates in one form have a pair of L-shaped anchor and reenforcing rods welded to each of the gage and field sides of the tie plate, with portions of the rods having substantial longitudinal length to..

Patent US2905390 - Railroad tie plate shim - Google Patents It is well known in railroad engineering that such discrepancy in the hole sizes frequently results in insecure mounting of the tie plate in that play may occur .. With the filler elements thus placed in the spike holes 30 and 31, the pointed end of a spike is irserted through a hole into contact with the wooden tie 25, after which..

Patent US20120187205 - Rehabilitation of discarded wooden . Jul 26, 2012 . selecting from a source of used discarded wooden railroad ties, each having one or more end cracks, those ties which can be restored for a second use;. redimensioning each selected tie to reduce the length and the depth of the selected ties;. removing scale from the selected ties;. filling and sealing end..

Patent US20040113133 - Abrasion assembly for supporting railroad . Jun 17, 2004 . An assembly for supporting a railroad rail on a tie includes an abrasion plate arranged to be positioned on a tie, and a pad disposed on the abrasion plate and . The assembly of claim 1 wherein said bumps have dimensions smaller than said depressions to allow relative adjustment therebetween.

The Railroad Track, An Overview - American-Rails.com While the ballast and ties also play a very important role within the track structure, without the rails, of course, trains could not operate. . The "T"-rail replaced the unstable and dangerous strap-rail (which was simply thin pieces of iron attached to wooden planks) that caused the deadly phenomenon of "snake heads" (which..

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