Design Standard of Common Duct Article 11
Common duct shall have joints and meet the following requirements:1.Joints shall have water stop strip and filler materials to prevent the seepage of underground water.2.While locating at homogeneous and sound geological site, the expansion joint may be used as the joint, and the interval shall not exceed thirty (30) meters.3.At the site of soft soil layer, geologically sudden changes or possible site of liquefaction, the joint shall be flexible and the interval shall be less than fifteen (15) meters.
中文原文 共同管道工程設計標準第11條
共同管道應留設接縫，並符合下列規定：
一、接縫應配置止水帶及填縫材料，阻止地下水滲入。
二、位於地質均勻且良好之地盤，接縫得為伸縮縫，間隔不得大於三十公尺。
三、位於軟弱地盤、地盤急變處或可能發生液化之地盤，接縫應具可撓性，間隔不得大於十五公尺。
一、接縫應配置止水帶及填縫材料，阻止地下水滲入。
二、位於地質均勻且良好之地盤，接縫得為伸縮縫，間隔不得大於三十公尺。
三、位於軟弱地盤、地盤急變處或可能發生液化之地盤，接縫應具可撓性，間隔不得大於十五公尺。