同一面墙的打底应一次性连贯完成。避免产生接槎不平整现象以及同一墙面打底

同一面墙的打底应一次性连贯完成。避免产生接槎不平整现象以及同一墙面打底砂浆颜色不一致的现象。所有水平面均应呈水平；所有立面均应呈垂直；所有阴阳角均应方正。严禁干燥后表面产生裂纹现象。填充墙的顶部与梁底之间的裂缝处，应在正式打底前用微膨胀的水泥砂浆喂饱、塞严、挤实以防后期出现裂缝。

The bottoming of the same wall should be done in a coherent manner at once. Avoid the phenomenon of uneven joints and inconsistent color of mortar on the same wall. All horizontal faces should be horizontal, all facades should be vertical, and all yin and yang angles should be square. Cracking on the surface after drying is strictly prohibited. The crack between the top of the filling wall and the bottom of the beam should be fed with slightly expanding cement mortar before the formal bottoming, which is tightly packed and squeezed to prevent cracks from appearing later.

The priming of the same wall shall be completed at one time. Avoid the phenomenon of uneven joint and inconsistent color of the same wall primer mortar. All horizontal planes shall be horizontal; all facades shall be vertical; all internal and external corners shall be square. Cracks on the surface after drying are strictly prohibited. The cracks between the top of the infilled wall and the bottom of the beam should be fed, plugged and compacted with slightly expanded cement mortar before the formal priming to prevent cracks in the later stage.<br>