与传统直接埋地的敷设方式相比，共同沟是一种先进的敷设方式。
Different from traditional direct burial laying method, utility tunnel is an advanced laying method.
该支护方式可在浅埋洞室工程中有效地控制围岩发挥其部分自承载能力。
The surrounding rock can display its self load-bearing capacity in the shallow-buried cavern according to this method. And the self load-bearing capacity is controllable in some degree.
注：1。敷设方式对应于表1-18（GB/T16895.15-2002）中的D类，适用于电缆直接埋地或电缆敷设在地下的管道内。
Note: 1. The laying method in correspondence with D category in the table 1-18(GB/T16895.15-2002), which is suitable for the direct cable burying or cable layout in the underground conduit.
注：1。敷设方式对应于表1-18（GB/T16895.15-2002）中的D类，适用于电缆直接埋地或电缆敷设在地下的管道内。
Note: 1. The laying method in correspondence with D category in the table 1-18(GB/T16895.15-2002), which is suitable for the direct cable burying or cable layout in the underground conduit.
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