The surface of the formwork should

应当清洁模板的表面，并且不应粘贴硬水泥砂浆和其他碎屑。在浇筑混凝土之前，必须将模板完全润湿。放开模板时，油毡应将油毡的纸和油灰堵塞。脱模剂的选择应具有持久的作用，并且涂层应均匀而不失色。混凝土应均匀地分层并紧密振动以消除气泡。（2）混凝土的搅拌时间应适当，一般为1-2分钟。（3）当混凝土建筑高度超过2米时，必须采取绳索，象鼻或振动象鼻等措施，以娱乐娱乐。（4）将混凝土放入模具后，必须掌握振动时间。一般来说，每个点的振动时间约为20-30。其次，可以通过以下现象判断振动的合理时间：混凝土不再明显下沉，没有气泡，混凝土表面上的浓稠液体也处于水平位置，并且材料在混凝土模具的拐角处丰富了。

应清理模板的表面，不应粘贴硬水泥砂浆和其他碎屑。在浇注混凝土之前，模板必须完全湿润。模板槽槽时，油毡的纸张和推杆应被油堵住。模释放剂的选择应具有持久效果，涂层应均匀且不丢失。混凝土应均匀分层和振动，以消除气泡。（2）混凝土搅拌时间应适当，一般为1-2分钟。（3） 混凝土施工高度超过2米时，必须采取绳索、大象躯干、振动大象树干等措施进行美味娱乐。（4） 混凝土放入模具后，必须掌握振动时间。一般来说，每个点的振动时间大约为20-30。其次，一个合理的振动时间可以通过以下现象来判断：混凝土不再明显下沉，没有气泡，混凝土表面的厚液体也处于水平位置，混凝土模具角的材料也更加丰富。

The surface of the formwork should be cleaned up, and hard cement mortar and other debris should not be pasted. Before pouring the concrete, the formwork must be completely wetted. When the template is slotted, the paper and putty of the linoleum should be blocked by oil. The selection of die release agent should have a lasting effect, and the coating should be uniform and not lost. The concrete should be evenly layered and vibrated tightly to eliminate air bubbles. (2) The concrete mixing time should be appropriate, generally 1-2 minutes. (3) When the concrete construction height exceeds 2 meters, measures such as ropes, elephant trunks or vibrating elephant trunks must be taken for delicious entertainment. (4) After the concrete is put into the mold, the vibration time must be mastered. Generally speaking, the vibration time of each point is about 20-30. Secondly, a reasonable vibration time can be judged by the following phenomena: the concrete no longer sinks significantly, there are no bubbles, the thick liquid on the concrete surface is also in a horizontal position, and the material at the corners of the concrete mold is enriched.<br>