| 摘要 |
<p>The tunnel store has two vertical parallel walls (1) on which rests a cover (2). The floor (4) is paved, and the inside is divided into horizontal layers by flooring (3). The two tunnel walls are in a trench, filled in during covering. They are formed by support pillars between which are screens, the pillar ends are in holes in the trench. The base contains a concrete block. The screens can be armoured to give added strength. The post holes are staggered on the two sides.</p> |
