English Dictionary

ruling gradient

名詞

(rail transport) The steepest uphill gradient in one direction on a section of railway line, which determines the load that can be pulled by one locomotive over that section, according to the power rating of the locomotive. A typical ruling gradient could be 1:50 (2%). The ruling gradient can differ in the other direction on the same section.

日本語の意味

鉄道分野において、特定の区間で一方向の最も急な上り勾配を指し、この数値に基づいて機関車が牽引可能な最大荷重が決定される。一般的には、1:50（約2％）などで表現され、逆方向では異なる勾配となる場合がある。

The locomotive's tractive effort was insufficient to haul the scheduled freight over the ruling gradient, so an extra engine was added.

機関車の牽引力は、その区間の支配勾配を越えて定期貨物を牽引するには不十分だったため、増結機関車が投入された。

意味（1）

(rail transport) The steepest uphill gradient in one direction on a section of railway line, which determines the load that can be pulled by one locomotive over that section, according to the power rating of the locomotive. A typical ruling gradient could be 1:50 (2%). The ruling gradient can differ in the other direction on the same section.

In the next 65 miles the train climbs 2,470ft to the Arizona Divide on a ruling gradient of 1 in 70 and in steam days a fleet of helper engines was kept busy assisting the heavy trains over this section.

ruling gradients （ plural ）