The concrete placement of lateral wall adopted stiff, large and leveling suspension form works in order to ensure the quality and easy handling.

洞身边墙混凝土浇筑采用刚度大、大块及表面平整度好的多卡悬臂模板，能保证质量、使用灵活、有利于赶工。

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To ensure the quality of the deck, the quality of sand gravel aggregate, cement, additives, leveling of slope face and erection of lateral forms, and the collapse degree were controlled strictly.

为保证面板的质量，对砂石骨料、水泥、外加剂和坡面平整度、侧模安装质量及混凝土的塌落度等进行了严格的控制。

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