A rail assembly including one or more rail bodies formed for supporting rolling engagement of a train wheel thereover, the rolling engagement generating vibrations in the rail body. The rail assembly includes one or more boots formed for attachment to the rail body to substantially electrically isol
A rail assembly including one or more rail bodies formed for supporting rolling engagement of a train wheel thereover, the rolling engagement generating vibrations in the rail body. The rail assembly includes one or more boots formed for attachment to the rail body to substantially electrically isolate the rail body relative to ground material. The boot includes a chamber wall for at least partially defining a chamber between the rail body and the chamber wall when the boot is attached to the rail body. The rail assembly also includes one or more inserts positionable in the chamber, at least a part of the vibrations being transmittable to the insert when the insert is positioned in the chamber, for dissipation of at least a proportion of the part of the vibrations in the insert.
대표청구항▼
1. A rail assembly comprising: at least one rail body at least partially supportable by ground material, said at least one rail body being formed for supporting rolling engagement of a train wheel thereover, said rolling engagement generating vibrations in said at least one rail body;at least one bo
1. A rail assembly comprising: at least one rail body at least partially supportable by ground material, said at least one rail body being formed for supporting rolling engagement of a train wheel thereover, said rolling engagement generating vibrations in said at least one rail body;at least one boot formed for attachment with said at least one rail body to substantially electrically isolate said at least one rail body relative to the ground material, said at least one boot comprising a foot portion at least partially engageable with said at least one rail body when said at least one boot is attached to said at least one rail body, the foot portion comprising a chamber wall to at least partially define a chamber between said at least one rail body and the chamber wall;a plurality of inserts positionable in the chamber, at least one insert comprising: a volume of air positioned in at least one cavity in said at least one insert;at least one engagement element formed for engagement with said at least one rail body for transmission of a part of the vibrations to said volume of air, in which at least a proportion of said part of the vibrations are dissipatable;wherein the proportion of the part of the vibrations dissipated differs among the plurality of inserts;said at least one boot comprising a thermoplastic vulcanizate; andsaid at least one engagement element comprising a material that is formulated for at least partial dissipation of the part of the vibrations transmitted thereto and selected from the group consisting of natural rubber, synthetic rubber, and polyurethane. 2. A rail system comprising: at least one rail assembly extending along a predetermined path between a first end and a second end thereof, said at least one rail assembly comprising at least one rail body, said at least one rail body being formed for supporting rolling engagement of a train wheel thereover, said rolling engagement generating vibrations in said at least one rail body;at least one boot assembly attached to said at least one rail body and extending along the predetermined path, for substantially electrically isolating said at least one rail body relative to ground material, said at least one boot assembly comprising a plurality of boots attached respectively in series to said at least one rail body, each said boot comprising a foot portion at least partially engaged with said at least one rail body, each said foot portion comprising a chamber wall of each said boot respectively to at least partially define a chamber between said at least one rail body and the chamber wall, providing a plurality of respective chambers located along the predetermined path;a plurality of inserts positioned in the respective chambers located along the predetermined path, each said insert being engaged with said at least one rail body for transmission to each said insert respectively of at least part of the vibrations, each said insert being configured for dissipation of a characteristic proportion of the part of the vibrations transmitted thereto, wherein the characteristic proportion of the part of the vibrations dissipated differs among the plurality of inserts; andeach said insert being selected for a predetermined location along the predetermined path respectively based on the characteristic proportion of said part of the vibrations dissipatable by each said insert respectively. 3. A rail system according to claim 2 in which each said insert comprises at least one engagement element that engages said at least one rail body to permit transmission of said part of the vibrations to said at least one engagement element. 4. A rail system according to claim 3 in which: said at least one boot comprises a first material that is formulated for extrusion; andsaid at least one engagement element comprises a second material that is formulated for at least partial dissipation of the part of the vibrations transmitted thereto. 5. A rail system according to claim 4 in which: the first material is thermoplastic vulcanizate; andthe second material is selected from the group consisting of natural rubber, synthetic rubber, and polyurethane. 6. A rail system according to claim 3 in which each said insert additionally comprises at least one cavity having a volume of air therein engaged with said at least one engagement element, for transmission to said volume of air of said proportion of the part of the vibrations, and for at least partial dissipation of said proportion of said part of the vibrations in said volume of air. 7. A method of installing a rail system, comprising the steps of: (a) providing a rail assembly positionable along a predetermined path, the rail assembly comprising at least one rail body at least partially supported by ground material, said at least one rail body being formed for supporting rolling engagement of a train wheel thereover, said rolling engagement generating vibrations in said at least one rail body;(b) providing a boot assembly attachable to said at least one rail body and extending along the predetermined path, the boot assembly comprising a plurality of boots attached respectively to said at least one rail body in series, each said boot comprising a first material formulated for extrusion thereof, each said boot comprising a foot portion at least partially engageable with said at least one rail body, and each said foot portion comprising a chamber wall to at least partially define a chamber between said at least one rail body and the chamber wall to provide a plurality of chambers;(c) providing a plurality of inserts positionable in the respective chambers, each said insert, when positioned in each said chamber respectively, being engageable with said at least one rail body for transmission to each said insert respectively of at least a part of the vibrations, each said insert being configured for dissipation of a characteristic proportion of the part of the vibrations transmitted thereto, each said insert comprising a second material formulated for at least partial dissipation of the characteristic proportion of the part of the vibrations transmitted thereto;(d) selecting each said insert for installation in a preselected chamber respectively at a respective predetermined location along the predetermined path based on the characteristic proportion of said part of the vibrations dissipatable by each said insert respectively, wherein the characteristic proportion of said part of the vibrations dissipatable by a first one of said plurality of inserts differs from the characteristic proportion of said part of the vibrations dissipatable by a second one of said plurality of inserts;(e) positioning each said insert on the chamber wall, to locate each said insert at the predetermined location for which each said insert is selected respectively; and(f) attaching said boots in series to said at least one rail body, to engage the foot portion of each said boot with said at least one rail body and to secure each said engagement element to said at least one rail body. 8. A rail boot system for covering a portion of at least one rail body for supporting a train wheel, the train wheel generating vibrations in said at least one rail body as the train wheel rolls thereover, said at least one rail body being at least partially supported by ground material, said at least one rail body extending along a predetermined path, the rail boot system comprising: a boot assembly comprising a plurality of boots attached respectively in series to said at least one rail body, each said boot comprising a foot portion formed to at least partially define a chamber adjacent to said at least one rail body;a plurality of inserts positionable in the chambers respectively for engagement of each said insert with said at least one rail body, for dissipation of at least a proportion of a part of the vibrations therein, each said insert comprising: an elongate base extending between first base and second base ends thereof;a plurality of cavities in the base, each said cavity having a volume of air therein for at least partially dissipating the proportion of the part of the vibrations in said volume of air;each said boot comprising a thermoplastic vulcanizate;each said base comprises a selected from the group consisting of natural rubber, synthetic rubber, and polyurethane;the base comprising at least a preselected part thereof for engagement with said at least one rail body when the base is positioned in the chamber, for transmission of at least the part of the vibrations to the base;each said insert being configured for dissipation of a characteristic proportion of the part of the vibrations transmitted thereto, wherein the characteristic proportion of the part of the vibrations dissipated differs among the plurality of inserts; andeach said insert being selected for a predetermined location therefor respectively along the predetermined path based on the characteristic proportion of said part of the vibrations dissipatable by each said insert respectively. 9. A method of at least partially attenuating transmission of vibrations of at least one rail body to ground material at least partially supporting said at least one rail body, the method comprising the steps of: (a) providing at least one rail assembly extending along a predetermined path comprising said at least one rail body;(b) providing at least one boot assembly for attachment to said at least one rail body, said at least one boot assembly comprising a plurality of boots for attachment to said at least one rail body, each said boot comprising a chamber wall for at least partially defining a chamber between the chamber wall and said at least one rail body when each said boot is attached respectively to said at least one rail body;(c) providing a plurality of inserts to be positioned respectively on the chamber walls;(d) positioning each said insert onto each said chamber wall respectively;(e) attaching the boots respectively in series to said at least one rail body to form said at least one boot assembly and to engage at least part of each said insert with said at least one rail body, to permit transmission of at least a part of the vibrations to each said insert respectively, for at least partial dissipation in each said insert of a proportion of the part of the vibrations transmitted to each said insert respectively; and(f) selecting each said insert for positioning in a preselected chamber therefor based on a characteristic proportion of the part of the vibrations that is at least partially dissipated by each said selected insert respectively, wherein the characteristic proportion of the part of the vibrations that is at least partially dissipated by each of the plurality of inserts differs among the plurality of inserts.
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