GB757959A - Concrete sleeper with plugged holes - Google Patents
Concrete sleeper with plugged holesInfo
- Publication number
- GB757959A GB757959A GB26889/54A GB2688954A GB757959A GB 757959 A GB757959 A GB 757959A GB 26889/54 A GB26889/54 A GB 26889/54A GB 2688954 A GB2688954 A GB 2688954A GB 757959 A GB757959 A GB 757959A
- Authority
- GB
- United Kingdom
- Prior art keywords
- plug
- axis
- hole
- sleeper
- concrete
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B9/00—Fastening rails on sleepers, or the like
- E01B9/02—Fastening rails, tie-plates, or chairs directly on sleepers or foundations; Means therefor
- E01B9/04—Fastening on wooden or concrete sleepers or on masonry without clamp members
- E01B9/14—Plugs, sleeves, thread linings, or other inserts for holes in sleepers
- E01B9/18—Plugs, sleeves, thread linings, or other inserts for holes in sleepers for concrete sleepers
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Tires In General (AREA)
Abstract
757,959. Concrete sleepers. EVERTS & VAN DER WEYDEN N.V. Sept. 16, 1954 [Sept. 18, 1953], No. 26889/54. Class 104 (2). A concrete sleeper provides with plugged holes for the insertion of spikes or other pinshaped members for the fixing of rails or rail fasteners has the cross-section of the plug holes, the plugs and/or spikes such that the' compressive stresses to be resisted by the concrete are greater in a plane passing through the axis of the hole in the longitudinal direction of the sleeper or in a plane parallel thereto than in any plane at right angles thereto. A blind tapered hole 1 of rectangular crosssection with rounded corners, or elliptical, Fig. 4 (not shown) or circular, Fig. 5 (not shown) has a hollow nylon plug 3, having a tapered bore 5 and provided with ridges 4 on its outer surface, inserted therein, a rail-holding spike 13 having a parallel shank of a cross-section similar to the hole 5 in the plug 3 is pressed into the hole 5 in the plug 3 and exerts a compressive stress on the concrete sleeper 2, the stresses exerted being greater on the axis a-b lying in the direction of the longitudinal axis of the sleeper 2 than in the axis c-d at right angles thereto. A collar 17 on the spike 13 limits its insertion and so prevents the longitudinal deformation of the plug 3. If a circular hole 1 and plug 3 are used with a spike 13 having a parallel shank of oval section the major axis of the oval shank is arranged along the axis a-b. Alternatively, if an oval hole 1 and plug 3 are used with a spike 13 having a parallel and circular shank the minor axis of the oval hole 1 and plug 3 is arranged along the axis a-b. The rail 12 is held in position and on each side against an elastic plate 16 by a pair of spikes 13, passing through a strip 14 or pair of plates and an electrically insulating plate 15 into the plugs 3, joined by loops connected by a flat portion 18 engaging the foot of the rail 12. In the arrangement shown in Fig. 1, the loops are omitted. The sleeper consists of two concrete blocks 2 joined by a metal tube 20.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL757959X | 1953-09-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB757959A true GB757959A (en) | 1956-09-26 |
Family
ID=19825336
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB26889/54A Expired GB757959A (en) | 1953-09-18 | 1954-09-16 | Concrete sleeper with plugged holes |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB757959A (en) |
-
1954
- 1954-09-16 GB GB26889/54A patent/GB757959A/en not_active Expired
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