US3834620A

US3834620A - Precast railroad tie and tie plate

Info

Publication number: US3834620A
Application number: US00316567A
Authority: US
Inventors: J Barlett
Original assignee: Individual
Current assignee: Individual
Priority date: 1972-12-19
Filing date: 1972-12-19
Publication date: 1974-09-10
Anticipated expiration: 1991-09-10
Also published as: CA1005033A

Abstract

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 supplement other reenforcing rods molded longitudinally within the tie. The tie plate is further provided on its generally planar underside with either a welded on or integrally formed fixed threaded nut depending between each pair of the L-shaped rods at the gage and field sides to accomodate complementally threaded bolts cooperating with rail clip fasteners, the bolts passing through tie-plate-formed apertures correspondingly aligned with the threaded opening in the nuts. In another form the L-shaped rods are replaced by inverted T ot pi shaped rods. A novel apparatus subassembly and related method utilizing presently conventional components and techniques in a novelly improved manner is also contemplated herein.

Description

United States Patent [191 Barlett 11] 3,834,620 1 Sept. 10, 1974 I PRECAST RAILROAD TIE AND TIE PLATE [76] Inventor: Jamie S. Barlett, 6927 Green Hill,

Tampa, Fla. 33617 [22] Filed: Dec. 19, 1972 [2]] Appl. No.: 316,567

[52] US. Cl 238/287, 238/30, 238/83, 238/91, 238/265, 238/304, 238/349 [51] Int. Cl E0lb 2/00, E0lb 9/00, EOlb 9/40 [58] Field of Search 238/29, 83, 84, 85, 91, 238/92, 94,298, 306, 265, 30, 304, 349

' [56] References Cited UNITED STATES PATENTS 809,401 l/l906 Seyhers 238/92 1,435,074 11/1922 Lott 238/265 3,289,940 12/1966 Groff 238/29 Primary ExaminerLloyd L. .King Assistant Examiner-Richard A. Bertsch Attorney, Agent, or Firm-John E. Becker [5 7] ABSTRACT 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 supplement other reenforcing rods molded longitudinally within the tie. The tie plate is further provided on its generally planar underside with either a welded on or integrally formed fixed threaded nut depending between each pair of the L-shaped rods at the gage and field sides to accomodate complementally threaded bolts cooperating with rail clip fasteners, the bolts passing through tie-plate-formed apertures correspondingly aligned with the threaded opening in the nuts. In another form the L-shaped rods are replaced by inverted T 0t 11- shaped rods. A novel apparatus subassembly and related method utilizing presently conventional components and techniques in a novelly improved manner is also contemplated herein.

27 Claims, 10 Drawing Figures Pmmgg SEP 1 01914 SHEET 2 BF 2 PRECAST RAILROAD TIE AND TIE PLATE BACKGROUND OF THE INVENTION This invention relates to an improved precast and preferably steel rod reenforced railroad tie and tie plate combination, which tie is fabricated of an initially plastic or cementious material which may be preferably of concrete aggregate or synthetic resinous plastic material, or the like.

More particularly it relates tothe aforesaid combination whereby an improved tie plate sub-combination is provided which serves a dual purpose of rail supporting and attachment as well as supplementally strengthening the basic steel rod-reenforced concrete tie.

Heretofore there have been various reenforced concrete or plastic railroad cross-ties proposed some of which have embodied molded-in-place anchor bolts or combination reenforcing rods and anchor bolts such as disclosed in US Pat. Nos. 742,144; 756,815; 950,146; 1,410,496 and 2,875,953. However, none of the prior art patents with which I am familiar have proposed my specific improved combinations and subcombinations involving the integral molding of substantially planar form tie plates with preferably recessed nuts or nut means for receiving rail clip bolts, and with combination plate-anchoring and tie-reenforcing structural rods integrally formed therewith.

OBJECTS AND BRIEF SUMMARY OF INVENTION Accordingly, it is a principal object of this invention to provide an improved precast railroad cross tie and rail plate combination which provides improved and simplified means of both supporting and attaching the rails or tracks upon the cross ties, as well as simultaneously providing substantial supplemental reenforcing of the tie.

Another object is to provide a combination of the aforedescribed character in which various forms of the tie plates of either single or dual shoulder form may be integrally molded in association with the precast tie body, and to provide a novel process for the making thereof.

Yet another object is to provide a novel subcombination of unitary tie plate anchor and rail anchor means which lends itself to competitive independent fabrication in various forms and is readily useable in conjunction with a variety of different precast or molded cross tie members.

The foregoing objects are achieved by providing in one embodiment a pair of preferably L-shaped rigid metal anchor and reenforcing rods affixed in spaced apart relation toward each of the gage and field sides of generally conventionally planar form tie plates. The base legs of the L-shaped rods extend longitudinally within the main body of the tie and the corresponding gage and field side rods have their base legs extending in longitudinally opposite directions. In some forms the rods may be aligned or coaxial, but more preferably the field side pair of rods are offset laterally relative to and greater than the gage side pair of rods to reduce concentration of stresses within the plate as well as within the tie, when the ties are in use. Additionally the tie plate is provided with an aperture and a nut means rigidly fastened between saidpairs of rods for receiving a rail clip fastening bolt. The nut means which may comprise prethreaded nuts are preferably disposed on or welded to the underside of the plate and protectively also embedded within the concrete.

The foregoing and other objects and advantages will become more apparent from the following detailed description taken in conjunction with the illustrative drawings.

BRIEF DESCRIPTION OF DRAWINGS FIG. 1 is a side elevational view of my improved combination tie and tie plate means, in association with which the rails are depicted in phantom lines;

FIG. 2 is an enlarged perspective view of my novel tie plate subcombination, shown with a rail clip and fastening bolt in exploded relation therewith;

FIGS. 3 and 4 are similar enlarged gage and field end views respectively of the rail tie and tie plate of FIG. 1;

FIG. 5 is an enlarged top plan view of my novel tie plate subcombination, showing certain of the rods foreshortened to permit the clarified enlarged scale;

FIG. 6 is an enlarged longitudinal cross-sectional view. through the tie plate viewed substantially on line 66 of FIG. 5, and as shown witha fragmentary portion of a tie;

FIG. 7 is a transverse cross-sectional view taken substantially on line 77 of FIG. 2.

FIG. 8 is a reduced scale perspective view showing a modified form of the tie plate and anchor subcombination;

FIG. 9 is a fragmentary cross-sectional view showing details of alternative features;.and

FIG. 10 is a reduced scale end view of a modified form of tie plate and anchor sub-combination.

DETAILED DESCRIPTION PREFERRED EMBODIMENT Referring in more detail to the drawing, the precast tie and tie plate assembly is generally denoted 10. The assembly 10 comprises an elongated tie body 12 fabricated of an initially plastic or settable material which hardens into a rigid body around a plurality of longitudinally extended rigid reenforcing rods 14. My novel tie plate sub-assembly is generally designated 16 and includes a generally planar tie plate 18 which when molded in associated with tie 12 has the plate undersurface 20 generally flush with top surface 22 of the tie body 12.

In one form of the tie plate sub-assembly, it further includes preferably two pair of L-shaped plate anchoring and tie-reenforcing rods designated generally at 24,26 (FIGS. 2 and 5), which rods depend from beneath the tie plate 18. The pair of rods 24 represent preferably more closely spaced gage side rods, whereas rods 26 represent preferably the wider spaced field side rods. While the two pair of rods, in some instances, might be uniformly spaced relative to a longitudinal centerline 28- (FIG. 5) of the plate and tie, it is preferred to stagger them so that the corresponding rods of each pair and more particularly the horizontal rod portions are not generally coaxially disposed with one another. This is to lessen concentration of forces in the plate and tie.

The upper end portions of upright sections of the L- shaped rods are integrally secured in any suitable manner, as by welding at 30 (FIGS. 6 and 9). In some forms the rods may be butt welded directly to the undersurface of the plate, as per FIG. 9, whereas where using plates 12 which are provided with suitable apertures 32, such as shown in FIGS. 2-6, the ends of the rods may be inserted into and welded within said apertures 32. The points of attachment may be in general alignment with the spaced apart

double rail shoulders

34 and 36 at the gage and field sides respectively.

Shoulders

34 and 36 are for the purpose of centering or properly engaging the opposite base flange sides of a rail as installed thereon, which is basically aconventionally known type of tie plate in this respect. FIG. shows in enlarged detail some very satisfactory exemplary dimensions for the plate and rod relationships, illustrated for use as with a typical 100 No. RE. rail. Similar exemplary dimensions are denoted in association with FIGS. 3 and 4.

The tie plate 12 is further preferably provided with the usual slightly canted track-bearing medial surface 38 (FIGS. 2, 5 and 6), which surface is slightly inclined so as to cant the tracks slightly toward each others gage side.

Plate 12 has a pair of threaded nut means 40,40 fixedly attached preferably to the undersurface thereof and generally medially between the spaced pairs of

rods

24 and 26. When so mounted in the preferred manner beneath plate 12, a bolt-receiving aperture 42 is provided centrally above each of the nuts 40 to receive complementally threaded end of suitable rail clip retaining bolts 44, one of which is exemplified at 44 in FIGS. 2 (and FIG. 7) in association with a typical apertured rail clip 46. The nuts 40 and holes 42 are preferably oppositely offset from the centerline 28, shown more clearly in FIG. 5.

A typical size bolt fastener 44 may have a /8 inch diameter. Also the

rods

24 and 26 preferably have approximately inch diameter, while the principal tiereenforcing rods 14 may be of /2 inch or /8 inch diame' ter.

Rods

14,24 and 26 may have an ASTM designation of 6l540. It is understood that for different size ties, and different gage rails the various dimensions may be modified to provide the requisite strength.

As a modification of the nut means 40, it is understood that an integrally molded boss 40 (FIG. 9) could be provided and tapped as depicted at 41, with said boss and/or nut means depending from beneath the plate 12 embedded into the body material of the tie. In situations where it is desired to have the threaded end of bolt 44 extend slightly beyond the lower end of the nut 40, a suitable protected recess 48 (FIGS. 6 and 7) may be provided for beneath the nuts 40 during molding operation. Where no recess is used the opening of the nut or threaded bore is suitably protected so as not to fill up with the cementious material.

Furthermore the nut means 40 could be formed atop of the plate 12 although this is not as preferred. Additionally, when embedded beneath plate 12, nuts 40 may be swaged or otherwise provided with depressions or projections which will lend themselves to being more positively anchored within the tie and to be less susceptible to breaking loose or deforming under stress as if they were mounted above the tie. With the nuts recessed within the tie body, they are protectively hidden from the elements and therefore not susceptible to oxidation and the like.

The tie plate of FIGS. 2-8 is further illustrated with a pair of

shoulders

50,50 disposed preferably parallel to one another and to the

shoulders

34 and 36, but depending from the underside of plate 12. Shoulders 50 are also embedded into the tie body and help rigidify the plate and its assembly.

It is contemplated that the tie plate sub-assembly 16 may be made in various sizes and arrangements and independently manufactured as a sub-combination useable in combination with a variety of different types of precast or molded rail ties.

FIGS. 8 and 10 represent contemplated modified embodiments. The basic difference of the FIG. 8 embodiment, as compared with that of the aforedescribed embodiment resides in changing the Lshaped anchor rods to inverted T or 1r shaped rods designated 25 in FIG. 8. These merely further include the medial portions 25 which interjoin the otherwise base leg portions of the Lshaped anchor rods 24 in the first-described embodiment. The FIG. 8 form may differ in other respects, such as omitting the pre-formed holes 32 where the rods are either butt welded to or possibly integrally cast with the tie plate body 12. Also it may be of either single or dual shoulder type and may omit the depending ribs 50shown in the first-described embodiment. The FIG. 8 form preferably utilizes an integrally molded boss means 40' (FIG. 9) and the tapped holes 41.

The FIG. 10 embodiment is made from readily available conventional materials such as tie plates 12 having the preformed square holes 32 which, for some conventional installations are intended to receive the shanks of conventional rail spikes driven therethrough into the more conventional wood tie. However, in this modified form, four of the spikes 52 are disposed and welded therein so as to depend from the underside of the tie plate body 12 when the latter is in the upright position. The heads of the spikes 52 hang down preferably the same general distance beneath plate body 12' so that approximately 30 inch lengths of anchor and reenforcing rods 25 can be preferably welded or otherwise fastened to or held adjacent said spike heads and in a manner to be generally parallel with the other tiereenforcing rods 14.

The rods, both 24 and 25, for each rail tie plate must not be so long as to touch one another when embedded in the premolded tie, in order to avoid short circuiting of rail related electrical signals of various kinds.

Because the ties are molded in a form in which they are inverted from the form in which they are ultimately used in the field, due to the tapered cross-section to permit easy removal from the form, it is further contemplated that the heads of the spikes 52, or other equivalent members, can be provided with grooves 54 in which to seat the rods 25 during pre-assembling the components during manufacturing. While it is preferable to weld the rods 25 to the spikes 50, in some instances where headed spikes are used, it would probably suffice to merely lay rods 25 within the shallow grooves formed in the heads. In the latter form, the four spike head would serve to anchor the tie plate and the unwelded rods 25 would serve as auxilary tiestrengthening rods.

This latter described form presents a novel apparatus combination as well as novel method of making both the subcombination of tie plate and anchor subassembly and the completely precast tie with tie plate assembly molded therein.

Both the apparatus and method particularly attendant the latter-described embodiments, lend themselves to the fabrication of the tie plate sub-assemblies duced and held down to minimal levels.

Accordingly, it is apparent from the foregoingdetailed description and illustrative drawings',.that a'novelly improved precast tie and tie plate combination has been; evolved which satisfies the objectives "and achieves the advantages set forth in the preamble and throughout. the, specification.- Other variations and modifications maybe made by those skilled in the art without departing from thespirit and scope of my inventionas defined in theappended claims.

What is claimed is: e

l. A precast reenforced railroad tie fabricated of an imperishable, initially plastic or cementious material, comprising in combination:

a. an elongated rigid beam of precast material of initially plastic character constituting a railroad tie and having a-plurality of reenforcing rods embedded longitudinally therein;

b. said tie having a topsurface on which railroad tracks are placed on-collectively spaced ties transversely to [the longitudinal length ofsaid ties;

c. at least one track-supporting tie plate of substantial 5. A precast railroad tie combination asdefinedin 4 claim 1, wherein said tie plate has non-uniformly formed gage and field sides, and wherein the rods of said two pair of L-shaped rods are-longitudinally offset from one another, and with; corresponding rods of said first and second pair being spaced further apart on the field side of said tie platethan those corresponding rods on the gage side thereof.

6. A precast railroad .tie combination as defined in claim 1, wherein said unitary anchor means of said tie plate further comprises a threaded nutintegrally secured to'said tie plate between said two pairs of anchor rods and toward each of said opposite lateral sides, which'sides constitute gage and field sides respectively of said plate; said nuts each adapted to receive a com-'.

plementally threaded track-hold-down clip fastening and generally planar form and having unitarily formed anchor means integrally molded or cast into said beam so that-said tie plate is positioned atop ofsaidtie in a correct predetermined relationship to'the tie, to thereby facilitate subsequent attachment thereto of a portion of a length of railroad track by suitable rail clamping anchoring means;

. said unitarily formed anchor means of said tie plate in paragraph (c) .includes two pair of laterally spaced apart L-shaped anchor rods;

e. each L-shaped anchor rod having an upright portion with an upright end thereof integrally con- .nected to said tie plate, and a transverse base portion thereof terminating in a free end;

f. each of said pairs of said L-shaped rods disposed with their respective base portions substantially coextensively extending longitudinally of and embeddedwithin said tie to constitute supplementalreenforcing means spaced apart from said firstmentioned embedded rods of paragraph (a), said upright portions of each rod projecting a substantial distance down into said tie; and

- g. the respective free ends of said base portions of said L-shaped rods extending oppositely away from each other and toward each opposite lateral side'of said tie plate'of paragraph (c). a

2. A precast railroad tie as defined in claim 1,

whereinsaid respective L-shaped rods of each pair are longitudinally offset relative to one another to reduce concentration of forces in said plate and tie when in active use. i

3. A precast railroad tie combination as defined in claim 1, wherein said opposite lateral sides constitute gage and field sidesrespectively, and said tieplate further having railcentering shouldersraised along-said gage and field sides on the upper side thereof.

4. A precast railroad tie combination as defined in claim 3 further including at least one other shoulder parallelto said rail-centering shoulders but depending from the underside of said tie plate and molded into said tie. v

bolt.

7. A precast railroad tie combination as defined in claim 6, wherein saidnuts are integrally formed with or attached to the underside of said tie plate and embedded in said tie, and said tie plate having an aperture formed above or in alignment with the threaded opening of said nuts. I Y

8. A precast railroad tie combination as' defined'in claim 7, wherein said gageand field-side disposed nuts and corresponding holes are formed so as to be oppositely offset from a longitudinal centerline of said tie and tie plate.

9. A precast railroad tie combination asdefined in claim 6, wherein said tie-plate is provided with raised railcentering-shoulders along the uppergage and field sides of said tie plate. v v a 10. A precast reenforced railroad tie fabricated of an imperishable, initially plastic or cementious material, comprising in combination: V

a. an elongated rigid beam of precast material of ini-" tially plastic character constituting a railroad tie and having a plurality of reenforcing rods embedded longitudinally therein;

b. said tie having a top surface on whichrailroad tracks are placed on collectively spaced ties transversely to the longitudinal length. of said ties;

c. at least one track-supporting tie plate of substantial and generally planar form and having unitarily formed anchor means integrally molded or cast into said beam so that said tieplate is positioned atop of said tie in a correct predetermined relationship to the tie, to, thereby facilitate subsequent attachment thereto of a portion of a length of railroad track by suitable rail clamping means;

(1. said unitarily formed anchor means of said tie plate i'n'paragraph '(c) includes at least one pair of L.- shaped anchor rods, each rod having an upright portion with an upright end thereof integrally connected to said tie plate, and a'transverse base portion thereof terminating in a free end; 1 v

e. said at least one pair of L-shaped anchor rods disposed with one end toward each opposite lateral side of said tie plate;

f. each upright portion of each'rod' projecting a substantial distance down into said tie, and each rod transverse base portion extending longitudinally in opposite directions constituting supplemental tie reenforcing means spaced apart from said firstmentioned embedded rods of paragraph (a).

11. A precast railroad tie as defined in claim 10, wherein the respective rods of said at least one pair are longitudinally offset relative to one another to lessen concentration of forces in said plate and tie when in active use.

12. A precast railroad tie as defined in claim 10, wherein each pair of said laterally spaced apart L- shaped anchor rods further include a connecting por tion (25) integrally joining respective pairs together in a coextensive manner whereby each pair collectively form an inverted rr-shaped supplemental reenforcing tie member.

13. A'sub-combination of an improved unitary rail tie plate assembly adaptable for use in combination with precast rail cross ties, said tie plate assembly comprising in combination:

a. a track-orienting-and-supporting tie plate of substantial'and generally planar form, and having unitarily formed anchor means rigidly attached thereto and depending therefrom for molding into a precast tie in a predetermined relation thereto;

b. said unitarily formed anchor means including threaded nut means fixedly attached to said plate to accomodate track hold-down clip fastening bolt means having complemental threads; and

c. said anchor means further comprising at least one member having generally right-angularly related interconnected components one of which is an elongated rod portion extended for. longitudinal disposition within a cross-tie, and the other related and interconnected component is a rod-like member of substantially lesser relative length depending from the underside of said tie plate approximately midway into said tie.

14. The sub-combination as defined in claim 13, including at least one spaced apart pair of said angularly related component members.

15. The sub-combination as defined in claim 14, wherein said angular-related rod and rod-like component members are of inverted generally T-shape, and said component members disposed in a plane which is coextensive with the longitudinal length of said tie.

16. The sub-combination as defined in claim 14, wherein said anchor means include a plurality of angularly related rod and rod-like component members forming at least one composite member of inverted generally rr-shape.

17. The sub-combination as defined in claim 14 wherein said relatively short length depending component members constituting a part of said angularlyrelated component, are formed of a conventional rail spike fixedly connected to said tie plate.

18. The sub-combination as defined in claim 14, wherein four conventional rail spikes form the relatively short length depending component members of said spaced-apart pair of component members, said spikes being disposed with enlarged headed ends extending downly when in a field-use condition.

19. The sub-combination as defined in claim 14, wherein said pair of angularly-related component members are a pair of generally oppositely disposed L- shaped plate-anchoring andtie-strengthening rods, said rods having elongated rod portions constituting the base leg of said L-shape rods and extended for longitudinal disposition within a cross-tie.

20. The sub-combination as defined in claim 19, wherein said L-shaped anchor rods each have an upright portion with an upright end thereof unitarily connected to said tie plate, and said pair of rods disposed with one toward each opposite lateral side of said tie plate, said upright portion of each rod depending a substantial distance beneath said tie plate so as to extend into a medial area of a cross tie within which it may be molded.

21. The sub-combination as defined in claim 20, wherein said opposite lateral sides constitute gage and field sides respectively, and said tie plate further having rail-centering shoulders raised along said gage and field sides on the upper side thereof.

22. The sub-combination as defined in claim 21, further including at least one other shoulder parallel to said rail-centering shoulders but depending from the underside of said tie plate and adapted to be molded into a precast tie.

23. The sub-combination as defined in claim 19, wherein said tie plate has opposite lateral side constituting gage and field sides respectively; said nut means including a pair of threaded nuts of which one each is disposed toward the gage side and one toward the field side and both of which are attached to and project from the underside of said tie plate, and said tie plate having an aperture formed therein above the threaded opening of each of said nuts and adapted to receive therethrough a threaded end of a rail clip hold-down fastener bolt.

24. The sub-combination as defined in claim 23, wherein said nuts and corresponding holes of the gage and field sides are formed so as to be oppositely offset from a longitudinal centerline of said tie plate and a tie with which it is adapted to be formed.

25. The sub-combination as defined in claim 23, wherein said integral anchor means of said tie plate comprises a second pair of L-shaped anchor rods, said two pairs being laterally spaced apart in a generally parallel manner; and said L-shape base portions of at least said first-mentioned pairs of rods extend in opposite longitudinal directions.

26. The sub-combination as defined in claim 25, wherein rods of at least one of said two pair of L- shaped rods are longitudinally offset from one another.

27. The sub-combination as defined in claim 25, wherein said tie plate has non-uniformly fonned gage and field sides, and wherein the rods of said two pair of L-shaped rods are longitudinally offset from one another, and with corresponding rods of said first and second pairbeing spaced further apart on the field side of said tie plate than those corresponding rods on the gage side thereof.

UNITED STATES PATENT OFFICE CERTIFICATE OF CORRECTIQN Patent No. 3, 834,620 Dated September 10, 1974 Inventor( s) Jamie S Bartlett It is certified that error appears in the above-identified patent and that said Letters Patent are hereby corrected as shown below:

In the title page, the inventor's surname "Barlett" should read Bartlett-.

In the Abstract, line 17, "T 0t IT shaped rods" should read T or 1r shaped rods--.

Column 3, line 14, "100 No, R.,E.. rail" should read -l00# R,E., rail--.

Column 5, line 61, "railcentering" should read rail-centering.

Column 6, line 31, "railcentering" should read -rail-centering..

Signed and sealed this 19th day of November 197A.

(SE AL) Attest:

MCCOY M, GIBSON JR, C, MARSHALL DANN Attesting Officer Commissioner of Patents U45. GOVERNMENT PRINTING OFFICE: I969 O366-334 I/ T P0405) 'uscoMM-oc 60376-P69

Claims

1. A precast reenforced railroad tie fabricated of an imperishable, initially plastic or cementious material, comprising in combination: a. an elongated rigid beam of precast material of initially plastic character constituting a railroad tie and having a plurality of reenforcing rods embedded longitudinally therein; b. said tie having a top surface on which railroad tracks are placed on collectively spaced ties transversely to the longitudinal length of said ties; c. at least one track-supporting tie plate of substantial and generally planar form and having unitarily formed anchor means integrally molded or cast into said beam so that said tie plate is positioned atop of said tie in a correct predetermined relationship to the tie, to thereby facilitate subsequent attachment thereto of a portion of a length of railroad track by suitable rail clamping anchoring means; d. said unitarily formed anchor means of said tie plate in paragraph (c) includes two pair of laterally spaced apart Lshaped anchor rods; e. each L-shaped anchor rod having an upright portion with an upright end thereof integrally connected to said tie plate, and a transverse base portion thereof terminating in a free end; f. each of said pairs of said L-shaped rods disposed with their respective base portions substantially coextensively extending longitudinally of and embedded within said tie to constitute supplemental reenforcing means spaced apart from said firstmentioned embedded rods of paragraph (a), said upright portions of each rod projecting a substantial distance down into said tie; and g. the respective free ends of said base portions of said Lshaped rods extending oppositely away from each other and toward each opposite lateral side of said tie plate of paragraph (c).

2. A precast railroad tie as defined in claim 1, wherein said respective L-shaped rods of each pair are longitudinally offset relative to one another to reduce concentration of forces in said plate and tie when in active use.

3. A precast railroad tie combination as defined in claim 1, wherein said opposite lateral sides constitute gage and field sides respectively, and said tie plate further having railcentering shoulders raised along said gage and field sides on the upper side thereof.

4. A precast railroad tie combination as defined in claim 3 further including at least one other shoulder parallel to said rail-centering shoulders but depending from the underside of said tie plate and molded into said tie.

5. A precast railroad tie combination as defined in claim 1, wherein said tie plate has non-uniformly formed gage and field sides, and wherein the rods of said two pair of L-shaped rods are longitudinally offset from one another, and with corresponding rods of said first and second pair being spaced further apart on the field side of said tie plate than those corresponding rods on the gage side thereof.

6. A precast railroad tie combination as defined in claim 1, wherein said unitary anchor means of said tie plate further comprises a threaded nut integrally secured to said tie plate between said two pairs of anchor rods and toward each of said opposite lateral sides, which sides constitute gage and field sides respectively of said plate; said nuts each adapted to receive a complementally threaded track-hold-down clip fastening bolt.

7. A precast railroad tie combination as defined in claim 6, wherein said nuts are integrally formed with or attached to the underside of said tie plate and embedded in said tie, and said tie plate having an aperture formed above or in alignment with the threaded opening of said nuts.

8. A precast railroad tie combination as defined in claim 7, wherein said gage- and field-side-disposed nuts and corresponding holes are formed so as to be oppositely offset from a longitudinal centerline of said tie and tie plate.

9. A precast railroad tie combination as defined in claim 6, wherein said tie plate is provided with raised railcentering-shoulders along the upper gage and field sides of said tie plate.

10. A precast reenforced railroad tie fabricated of an imperishable, initially plastic or cementious material, comprising in combination: a. an elongated rigid beam of precast material of initially plastic character constituting a railroad tie and having a plurality of reenforcing rods embedded longitudinally therein; b. said tie having a top surface on which railroAd tracks are placed on collectively spaced ties transversely to the longitudinal length of said ties; c. at least one track-supporting tie plate of substantial and generally planar form and having unitarily formed anchor means integrally molded or cast into said beam so that said tie plate is positioned atop of said tie in a correct predetermined relationship to the tie, to thereby facilitate subsequent attachment thereto of a portion of a length of railroad track by suitable rail clamping means; d. said unitarily formed anchor means of said tie plate in paragraph (c) includes at least one pair of L-shaped anchor rods, each rod having an upright portion with an upright end thereof integrally connected to said tie plate, and a transverse base portion thereof terminating in a free end; e. said at least one pair of L-shaped anchor rods disposed with one end toward each opposite lateral side of said tie plate; f. each upright portion of each rod projecting a substantial distance down into said tie, and each rod transverse base portion extending longitudinally in opposite directions constituting supplemental tie reenforcing means spaced apart from said first-mentioned embedded rods of paragraph (a).

12. A precast railroad tie as defined in claim 10, wherein each pair of said laterally spaced apart L-shaped anchor rods further include a connecting portion (25'') integrally joining respective pairs together in a coextensive manner whereby each pair collectively form an inverted pi -shaped supplemental reenforcing tie member.

13. A sub-combination of an improved unitary rail tie plate assembly adaptable for use in combination with precast rail cross ties, said tie plate assembly comprising in combination: a. a track-orienting-and-supporting tie plate of substantial and generally planar form, and having unitarily formed anchor means rigidly attached thereto and depending therefrom for molding into a precast tie in a predetermined relation thereto; b. said unitarily formed anchor means including threaded nut means fixedly attached to said plate to accomodate track hold-down clip fastening bolt means having complemental threads; and c. said anchor means further comprising at least one member having generally right-angularly related interconnected components one of which is an elongated rod portion extended for longitudinal disposition within a cross-tie, and the other related and interconnected component is a rod-like member of substantially lesser relative length depending from the underside of said tie plate approximately midway into said tie.

16. The sub-combination as defined in claim 14, wherein said anchor means include a plurality of angularly related rod and rod-like component members forming at least one composite member of inverted generally pi -shape.

17. The sub-combination as defined in claim 14 wherein said relatively short length depending component members constituting a part of said angularly-related component, are formed of a conventional rail spike fixedly connected to said tie plate.

19. The Sub-combination as defined in claim 14, wherein said pair of angularly-related component members are a pair of generally oppositely disposed L-shaped plate-anchoring and tie-strengthening rods, said rods having elongated rod portions constituting the base leg of said L-shape rods and extended for longitudinal disposition within a cross-tie.

26. The sub-combination as defined in claim 25, wherein rods of at least one of said two pair of L-shaped rods are longitudinally offset from one another.

27. The sub-combination as defined in claim 25, wherein said tie plate has non-uniformly formed gage and field sides, and wherein the rods of said two pair of L-shaped rods are longitudinally offset from one another, and with corresponding rods of said first and second pair being spaced further apart on the field side of said tie plate than those corresponding rods on the gage side thereof.