Based on practical engineering background, the string-bow pre-stressed latticed shell structure is proposed and applied to large-span indoor coal storage yard design for the first time.

结合实际工程背景，提出了新颖的弦弓式预应力柱面网壳结构，并应用于大跨度电厂干煤棚结构中。

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The coal and limestone storage yard must have a bottom impermeabilization system. This system may be constituted by a clay layer, a geomembrane layer, or other impervious material.

煤料和石灰石存放场必须有底部防渗系统。该系统可由粘土层、地质处理用膜层、或其他防渗材料组成。

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This kind of device employs advanced laser scanning measuring technique, which can measure automatically the coal storage in the open coal yard without necessity of shaping coal pile beforehand.

它采用先进的激光扫描测量技术，可以在不对煤堆进行事先整形的情况下自动测量出大型露天煤场的存煤量。

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