It is important and difficult for design and calculation of concrete buoyancy in construction of formwork lining trolley with full circle section.
在全圆断面模板衬砌台车的施工应用中，混凝土浮力的设计计算是重点和难点。
2
Further, the paper discussed the necessity of using full concrete lining for the Xiaowan plunge pool and made new proposals for its bottom elevation, length and shape.
文中还讨论了小湾水垫塘采用全面混凝土衬砌的必要性，并对水垫塘底板高程、长度及体型提出了新建议。
3
When grouting gallery of depth-curtain, lining and consolidation grouting to full-face of the gallery is necessary to meet the needs of the grouting pressure.