US1017028A - Beton or concrete sleeper with resilient rail-supports. - Google Patents
Beton or concrete sleeper with resilient rail-supports. Download PDFInfo
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- US1017028A US1017028A US54546710A US1910545467A US1017028A US 1017028 A US1017028 A US 1017028A US 54546710 A US54546710 A US 54546710A US 1910545467 A US1910545467 A US 1910545467A US 1017028 A US1017028 A US 1017028A
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- sleeper
- beton
- concrete
- rail
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B3/00—Transverse or longitudinal sleepers; Other means resting directly on the ballastway for supporting rails
- E01B3/28—Transverse or longitudinal sleepers; Other means resting directly on the ballastway for supporting rails made from concrete or from natural or artificial stone
- E01B3/32—Transverse or longitudinal sleepers; Other means resting directly on the ballastway for supporting rails made from concrete or from natural or artificial stone with armouring or reinforcement
Definitions
- this invention hasfor its object a method of making a strong ferro-concrete or reinforced beton railway sleeper formed as a longitudinal or transverse sleeper, which avoids the disadvantages hereinbefore mentioned.
- the invention consists in that part only of the sleeper, which serves as support for the rail foot, or a foundation plate for the rail, being formed of a mixture of ,cement or beton with minerai, silicate containing, fibrous material, such as asbestos, slag wool or the like, or of several of these substances together in suitable proportions to one another.
- the support thus formed for the rail constitutes an elastic and at the same time non-perishable and extremely strong rail support, which is invariable regards volume and combines with the surrounding beton in such a thorough and permanent manner, that an indestructible homogeneous and monolithic sleeper body is iforrned whicll is not liable to deterioration by the weather.
- This resilient rail support forming a coherent whole with the concrete sleeper is also capable of being operated on in any way; it may be ysaWed, nailed, bored,
- Screws may be screwed into it without diicult after preliminary boring, and nd an excellent hold in the asbestos beton support.
- lvleans of attachment for the rail foot inserted in any other' way also find an equally good hold, while the kind and form of these means of attachment may be very different- Even if theoretically beton sleepers of the improved kind without iron insertions, are possible, tor practical reasons iron reiniorcements should be generally employed I for increasing the tractional and compression strength, the special forms of which reinforcements, however, are of ordinary or any suitable nature and are directed accord# ing to the actual requirements of each case.
- the improved beton sleeper with elastic rail support may be made on a Wholesale scale in a factory and be portable,but it ⁇ may also be made on the spot at which it is to be used, by ramming suitable mixtures n of beton and asbestos beton down on the section oftrack in molds or framework boxes whichl are removed when it is hardened, which -orxns when hardened a monolithic sleeper body.
- Ready formed sockets of asbestos beton or the like may, however, also be directly formed under the rail feet, connected with one another by anchors, and then formed into a monolithic sleeper body by interpolating beton between them or by nlling in from the sides beton or ferro-concrete.
- Figure l is longitudinal y sectional view of a sleeper, showing one embodiment of my invention, and illust-rating the rails thereon in section.
- Fig. 2 is a view similar to Fig. l. 3 is a crosssectional view of the sleeper showing one form oit anchorage means in connection therewith.
- Fig. i is a sectional view' ot a portable rail foot socket and Fig. 5 is an elevation thereof.
- Fig. l shows a sleeper, which for the sake oi? economy of lmaterial is provided, for inreo stance with a depression or recess l.
- Such depressions may be formed at the middleV screws 6 to the resilient rail support 2, while on the right hand side in place of the ordinary washer or under plate a so-called r.hooked plate 7 is employed.
- the rail foot is thus engaged by the hook of the hooked plate on one side, and on the y.other si'de held fast by a clamp plate S.
- the screw holes are made as slotted ones, in which the screws 6 are inserted by means of lining pieces, which are arranged to fit closely between the side walls of the said holes and may be made of various lengths.
- the clamp plate 8 is formed as such a removable lining.
- spirals 9 of wire or sheet metal are embedded, as shown on the right hand side in Fig. l. As shown in Fig.
- narrower spirals l0 may also be employed, which lit closely to the screw thread and are embedded with the screws before the beton sets, whereupon the screws are withdrawn after the beton sets.
- irons 1l are anchored in the asbestos beton 2 by means of spreading' arms 12, to which irons the rail 4 is attached in any Ordinar; ⁇ way.
- this is done by means of foundation plates or washer platesl 5, and headed screws 13, which are firmly but removably screwed into the anchor irons l1.
- a hooked plate 7 is employed, which can engage beneath the anchored iron 11. on one side of the rail by means of a projection 14, while en the other side of the rail the attachment takes plate by means of a removable nut and screw 13.
- Figs. 4 and 5 show in a section and elevation a portable rail foot socket 2 of asbestos beton.
- This socket is erected on the road bed, the track is laid on it, iron reinforcements are passed through the perforations l5 provided for this purpose, and then that Ithe form of the iron reinforcements of the beton sleeperl and the choice of the means of attachment for the rail may bel any suitable one.
- a concrete sleeper for rails comprising central and end parts composed of solid concrete, and bodies composed of an elastic mixture of fibrous and a cement-like material hardened with the concrete and forming with the central and end concrete parts an integral and congruous, composite mass, the said elastic bodies being disposed only at the rail supporting parts of the sleeper' and being co-extensive with the rails and not extending laterally :rf the rails to an appreciable extent.
- a concrete sleeper for rails comprising a body portion of concrete, and bodies 4imposed of an elastic mixture of cementlike and asbestos-like substance hardened with the concrete sleeper and forming therewith an integral eongruous, composite mass, the said elastic bodies being disposed only at those points of the sleeper on which the rails are supported and not extending laterally of the rails to an appreciable extent, substantially as set forth and shown.
- a concrete sleeper for rails comprising a body portion wherein the ends and central parts are composed of concrete, and bodies composed of an elastic mixture of cementlike and fibrous substance constituting, with the concrete ends and central parts, an integral congruous, composite mass, the said elastic bodies being disposed only at rail supporting parts of the sleeper and being coextensive in width with the rail and not extending laterally of the rail to an appreciable extent.
- a concrete sleeper for rails comprising a body portion of concrete, bodies composed of an elastic mixture of cement-like and fibrous substance constituting, with the con- Iportion composed ot' concrete,
- erete sleeper an integral eongruous, composite mass, said bodies being flush with the upper aee of the sleeper and extending downwardly therein to at least half the depth thereof, the said elastic bodies being eoextensive in Width with respeet to the f'idth of the rails but, not extending laterally ot the rails to an appreciable extent.
- a sleeper for rails comprising a body and bodies composed of a heterogeneous elastic mixture hardened 'with the Concrete and forming with the body portion a eongruous, coinposite m.ass said bodies being c isposed only at the rail supporting parts of the ⁇ - sleeper and not extending laterally of the' rails to an appreciable extenti f' 6.
- a Concrete sleeper' for rails comprising a body portion oit Concrete, yand separatev and distinct ⁇ bodies composed of an elast-ie mixture wlfiieh is invariable as to volume with respeet to climatic conditions said bodies being united with the eonrete body to torni an integral composite mass therewith, said bodies being disposedonly at the rail supporting portions ot' the sleeper and not extending laterally of the rails to an appreciable extent.
- a concrete sleeper for rails comprising a body portion of concrete, and 'separate bodies of an initially soft 'elastic material united with the eonerete body to form an integral composite mass therewith, said bodies being disposed only at the rail supporting portions of the sleeper andnot extending laterally thereof to an appreciable extent.
- a concrete sleeper for rails comprising a body portion o'l Concrete, and Separate bodies of an elastic material united with the concrete body to ⁇ i'orin an integral cornposite mass therewitlnlsaid bodies being disosed only at the rail supportingportions of the sleeper and not extending laterally thereof to an appreeiable extent.
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- Structural Engineering (AREA)
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Description
O. WILHELMI. BETON 0R CONCRETE SLBEPER WITH BBSILIENT RAIL SUPPORTS.
\ APPLICATION FILED TEILZS. 1910` LUZ., Patented Feb. 13,1912
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*entran srafrns .rerun-Fr erro WILHELMI, or' rnnniunrrnn, Nunn zUnioH, swirannnenn, ,essienon 'ro nunonr Wonne, or Lurrzs, ornament?.
BETON 0R CGNCRTE SLEEPER WITH RESILIENT RAIL-SUPE'OBTS.' Y
nervosa.
Specication of Letters latent. l Patented Fel?, lig, Q,
.application led February 2,3, 1910.v Serial No. 545,46?.
To all whom it may concern:
Be it known that l, @rre WILHELM, a subject of the German Emperor, and residing at Feldmeilen, near Zurich, Switzerland, have invented certain new and useful lmprovements in improved Beton or Concrete Sleepers with Resilient Rail-Supports, ot which the following is a specification.
In the ferro-concrete or reinforced beton railway sleepers hitherto made, dowels of wood or other organic substance are inserted for xing the rail spikes or screws. Efforts have also been made to overcome the disadvantage or the hardness, rigidity and brittleness of the beton or concrete support by means of elastic or resilient underlays or insertions, for which also only vegetable substances were employed which are perishable and not permanent or constant as regards volume. As these do not form a iirm connection with the beton ot the body of the sleeper, they represent an insertion which divides the body of the sleeper and is injurions to it. The strength of the railway sleepers is thus reduced. A destruction of the iron insertions soon takes place, and a loosening of the means ot attachment e1nbedded in the perishable substances.
Now this invention hasfor its object a method of making a strong ferro-concrete or reinforced beton railway sleeper formed as a longitudinal or transverse sleeper, which avoids the disadvantages hereinbefore mentioned.
The invention consists in that part only of the sleeper, which serves as support for the rail foot, or a foundation plate for the rail, being formed of a mixture of ,cement or beton with minerai, silicate containing, fibrous material, such as asbestos, slag wool or the like, or of several of these substances together in suitable proportions to one another. The support thus formed for the rail constitutes an elastic and at the same time non-perishable and extremely strong rail support, which is invariable regards volume and combines with the surrounding beton in such a thorough and permanent manner, that an indestructible homogeneous and monolithic sleeper body is iforrned whicll is not liable to deterioration by the weather. This resilient rail support forming a coherent whole with the concrete sleeper, is also capable of being operated on in any way; it may be ysaWed, nailed, bored,
plugged, cnt and has great tenacity or toughness. Screws (treenails) may be screwed into it without diicult after preliminary boring, and nd an excellent hold in the asbestos beton support. lvleans of attachment for the rail foot inserted in any other' way, also find an equally good hold, while the kind and form of these means of attachment may be very different- Even if theoretically beton sleepers of the improved kind without iron insertions, are possible, tor practical reasons iron reiniorcements should be generally employed I for increasing the tractional and compression strength, the special forms of which reinforcements, however, are of ordinary or any suitable nature and are directed accord# ing to the actual requirements of each case.
The improved beton sleeper with elastic rail support may be made on a Wholesale scale in a factory and be portable,but it` may also be made on the spot at which it is to be used, by ramming suitable mixtures n of beton and asbestos beton down on the section oftrack in molds or framework boxes whichl are removed when it is hardened, which -orxns when hardened a monolithic sleeper body. Ready formed sockets of asbestos beton or the like may, however, also be directly formed under the rail feet, connected with one another by anchors, and then formed into a monolithic sleeper body by interpolating beton between them or by nlling in from the sides beton or ferro-concrete. l
My invention will be more fully. described in connection with the accompanying draw` ing and will be more particularly pointed out in and by the appended claims.
ln the drawing: Figure l is longitudinal y sectional view of a sleeper, showing one embodiment of my invention, and illust-rating the rails thereon in section. Fig. 2 is a view similar to Fig. l. 3 is a crosssectional view of the sleeper showing one form oit anchorage means in connection therewith. Fig. i is a sectional view' ot a portable rail foot socket and Fig. 5 is an elevation thereof.
Like characters of reference designate similar parts throughout the dierent tigures of the drawing.
Fig. l shows a sleeper, which for the sake oi? economy of lmaterial is provided, for inreo stance with a depression or recess l. Such depressions may be formed at the middleV screws 6 to the resilient rail support 2, while on the right hand side in place of the ordinary washer or under plate a so-called r.hooked plate 7 is employed. The rail foot is thus engaged by the hook of the hooked plate on one side, and on the y.other si'de held fast by a clamp plate S. In order that a displacement of the rail relatively to the sleeper may be possible, in this form of construction the screw holes are made as slotted ones, in which the screws 6 are inserted by means of lining pieces, which are arranged to fit closely between the side walls of the said holes and may be made of various lengths. On the left hand side of the rail (Fig. l, right hand side), the clamp plate 8 is formed as such a removable lining. In order further to strengthen the resilient rail support against the screws 6 breaking away, spirals 9 of wire or sheet metal are embedded, as shown on the right hand side in Fig. l. As shown in Fig. 3 on a somewhat enlarged scale (the ligure being a cross section of the sleeper and the asbestos-beton support 2) narrower spirals l0 may also be employed, which lit closely to the screw thread and are embedded with the screws before the beton sets, whereupon the screws are withdrawn after the beton sets.
In Fig. 2, on both sides, irons 1l are anchored in the asbestos beton 2 by means of spreading' arms 12, to which irons the rail 4 is attached in any Ordinar;` way. On the left hand side of Fig. 2, this is done by means of foundation plates or washer platesl 5, and headed screws 13, which are firmly but removably screwed into the anchor irons l1. In the right hand side of Fig. 2, a hooked plate 7 is employed, which can engage beneath the anchored iron 11. on one side of the rail by means of a projection 14, while en the other side of the rail the attachment takes plate by means of a removable nut and screw 13.
Figs. 4 and 5 show in a section and elevation a portable rail foot socket 2 of asbestos beton. This socket is erected on the road bed, the track is laid on it, iron reinforcements are passed through the perforations l5 provided for this purpose, and then that Ithe form of the iron reinforcements of the beton sleeperl and the choice of the means of attachment for the rail may bel any suitable one.
While I have herein shown and described Instead of the Z-.
my invention in the embodiments shown in the drawing, it will be understood that@ do not wish to be limited thereto except for such limitations as the claims import.
.Having now particularly described and ascertained the nature of the said invention and in what manner the same is to be per-` formed, I declare Athat what I claim is l. A concrete sleeper for rails comprising central and end parts composed of solid concrete, and bodies composed of an elastic mixture of fibrous and a cement-like material hardened with the concrete and forming with the central and end concrete parts an integral and congruous, composite mass, the said elastic bodies being disposed only at the rail supporting parts of the sleeper' and being co-extensive with the rails and not extending laterally :rf the rails to an appreciable extent. l
2. A concrete sleeper for rails comprising a body portion of concrete, and bodies 4imposed of an elastic mixture of cementlike and asbestos-like substance hardened with the concrete sleeper and forming therewith an integral eongruous, composite mass, the said elastic bodies being disposed only at those points of the sleeper on which the rails are supported and not extending laterally of the rails to an appreciable extent, substantially as set forth and shown.
3. A concrete sleeper for rails comprising a body portion wherein the ends and central parts are composed of concrete, and bodies composed of an elastic mixture of cementlike and fibrous substance constituting, with the concrete ends and central parts, an integral congruous, composite mass, the said elastic bodies being disposed only at rail supporting parts of the sleeper and being coextensive in width with the rail and not extending laterally of the rail to an appreciable extent.. A
4. A concrete sleeper for rails comprising a body portion of concrete, bodies composed of an elastic mixture of cement-like and fibrous substance constituting, with the con- Iportion composed ot' concrete,
erete sleeper an integral eongruous, composite mass, said bodies being flush with the upper aee of the sleeper and extending downwardly therein to at least half the depth thereof, the said elastic bodies being eoextensive in Width with respeet to the f'idth of the rails but, not extending laterally ot the rails to an appreciable extent.
A sleeper for rails comprising a body and bodies composed of a heterogeneous elastic mixture hardened 'with the Concrete and forming with the body portion a eongruous, coinposite m.ass said bodies being c isposed only at the rail supporting parts of the{- sleeper and not extending laterally of the' rails to an appreciable extenti f' 6. A Concrete sleeper' for rails compris ing a body portion oit Concrete, yand separatev and distinct `bodies composed of an elast-ie mixture wlfiieh is invariable as to volume with respeet to climatic conditions said bodies being united with the eonrete body to torni an integral composite mass therewith, said bodies being disposedonly at the rail supporting portions ot' the sleeper and not extending laterally of the rails to an appreciable extent.
7. A concrete slleeper 'orrailsbomprising a body portion of concrete', .and separate and distinct bodies of a tially soft elastic mixtune disposed in said heterogeneous 1nibody when the material of the concrete sleeper and the material loit said elastic bodies are softand both being allowed to simultaneously set to form a composite monolithic mass, said elastic bodies being disposed and only extending abreast of the rail supporting parts of the sleeper andnot laterally of the rails to an appreciable extent.
8. In a concrete sleeper for rails comprising a body portion of concrete, and 'separate bodies of an initially soft 'elastic material united with the eonerete body to form an integral composite mass therewith, said bodies being disposed only at the rail supporting portions of the sleeper andnot extending laterally thereof to an appreciable extent.
9. A concrete sleeper :for rails comprising a body portion o'l Concrete, and Separate bodies of an elastic material united with the concrete body to `i'orin an integral cornposite mass therewitlnlsaid bodies being disosed only at the rail supportingportions of the sleeper and not extending laterally thereof to an appreeiable extent.
ln Witness whereof l have hereunto my hand in presence of two Witnesses.
erro armeni-ins.
wVlitnesses ARTHUR J. Bonny, CARL GUBLER.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US54546710A US1017028A (en) | 1910-02-23 | 1910-02-23 | Beton or concrete sleeper with resilient rail-supports. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US54546710A US1017028A (en) | 1910-02-23 | 1910-02-23 | Beton or concrete sleeper with resilient rail-supports. |
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US1017028A true US1017028A (en) | 1912-02-13 |
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US54546710A Expired - Lifetime US1017028A (en) | 1910-02-23 | 1910-02-23 | Beton or concrete sleeper with resilient rail-supports. |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2565292A (en) * | 1947-04-11 | 1951-08-21 | Tri State Engineering Company | Sectional flooring, decks, and racks |
US4566629A (en) * | 1983-03-02 | 1986-01-28 | Sonneville International Corporation | Structure for fixing a rail to a tie |
-
1910
- 1910-02-23 US US54546710A patent/US1017028A/en not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2565292A (en) * | 1947-04-11 | 1951-08-21 | Tri State Engineering Company | Sectional flooring, decks, and racks |
US4566629A (en) * | 1983-03-02 | 1986-01-28 | Sonneville International Corporation | Structure for fixing a rail to a tie |
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