C70高强混凝土剪力墙浇筑工艺的足尺试验研究-建筑结构 关键词］高强混凝土；浇筑工艺；浮浆；温度；裂缝 [gap=1203]Keywords:high strength concrete; pouring techniques; laitance; temperature; crack
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基面上的积垢、浮浆、脱模剂、油污、装饰物、尘土等脏杂物必须设法清理干净。
The base surface fouling, floating pulp, release agents, oil, decorative objects, dust, dirt and other debris must try to clean up.
每一振点的振捣延续时间应使混凝土表面呈现浮浆和不再沉落为止，约20 ~ 30s。
For every vibrating point, the vibration shall go on till free mortar appears on the concrete surface and not sinks any more, normally 20 ~ 30s.
施工方法，采用专用设备对混 凝土桥面板表面浮浆进行铣刨、拉毛或凿毛、清扫、吹净处理；
Its synchronous construction process includes milling and planing the concrete bridge surface to roughen, cleaning and blasting with special apparatus;
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