A ballast concrete part 38 under rails 34 in an underground tunnel 30 is provided with a groove-like catch basin 40 extending in the direction of the rails, and pumps 42 and 52 are disposed for draining spring water collecting in the catch basin 40.例文帳に追加

地下トンネル３０内のレール３４下の道床コンクリート部３８にレール方向に延びる溝状集水槽４０を設け、この集水槽４０内に溜まった湧水を排水するポンプ４２，５２を配置した。 - 特許庁

To provide an underground water storage tank capable of optionally setting the vertical strength and horizontal strength in a space forming means for forming a water basin space in the ground according to the state of a construction site.例文帳に追加

地中に水溜め空間を形成するための空間形成手段における垂直方向の強度と水平方向の強度を、施工現場の状況に応じて任意に設定可能な地下貯水槽を提供する。 - 特許庁

In this draining device, when the level of the underground water rising in the rainwater infiltration basin becomes higher than the position of the discharge pipe, the reverse flow prevention valve is closed, and the discharge pipe is clogged to prevent sewage from reversely flowing into the pump tank.例文帳に追加

上記の構成の浸透桝内に上昇して来た地下水が排出管の位置より高くなると逆流防止弁が閉じて排出管が塞がれポンプ槽内に汚水が逆流しないようにする。 - 特許庁