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Steel Ties

Steel ties have a decided advantage over wood ties in mining applications. They hold the rails securely, keeping them true to gage and the track in alignment. They have unusually long life, even under severe conditions, and can never become spike killed or rotted; and they are not a fire hazard.

The ties are light compared to wood. One man can handle a bundle of five ties easily. Ties are relatively shallow in section, thereby saving valuable head-room in low seams. The heavier ties are sometimes used for main-haulage tracks, and are often used in conjunction with wood ties in place of gage rods, by spacing them between every third or fourth tie. By adding a steel tie at about 6' to 10' intervals, the service of wood ties will be prolonged through relief of strain during the early period of decay.

To provide even greater strength, steel ties can be supplied bolted to a wood base. The base is grooved (so that it will fit up under the tie) and is then bolted securely to the tie. Oak is usually used, and it can be treated or left untreated.

Installation of Steel Ties

The installation of steel ties with riveted clips is simple and easy. Whether the ties are straight or upset end, they are installed in the same manner. No gaging of track is required.

1. The rail is placed on the tie, in position against the clip.

2. Blows of a hammer turn the movable clips into position over the rail base.

3. The clips hold the rail firmly in place to accurate gage.

Steel Ties with Outside Stationary Clips

In all section the most widely used tie is the Outside Stationary Clip Tie It is equipped with four rolled steel movable clips, and two stationary clips placed on the outside ends. The clips are placed to fit one particular rail section.

Steel Ties with Staggered Clips

Also available is the Staggered Clip Tie, which is equipped with four rolled-steel movable clips and two stationary clips, with a stationary clip on the inside at one end, and on the outside at the other end. This feature is especially useful when it is desired to insert or remove a tie without disturbing the track gage. The clips are spaced to fit one particular rail section.

Upset End Ties are ideal for mole-bored tunnels. The upset ends conform to the circular cross section of the tunnel floor. Splitting and crushing associated with wood ties is eliminated. Material handling costs are also reduced using less bulky, lightweight steel ties.

Hot-Rolled Section
No. 4
No. 9
Cold-Formed Sections
No. 4
No. 5
No. 6

Shown above on the tables are some of the most common steel tie sections available today. Although the table below gives some general recommendations, there are several factors to be considered in choosing a steel tie. These include condition of the bottom, weight of cars and equipment, amount and speed of traffic, permanency of trackage, and weight of rail.

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