To avoid forming layer defect, rising pouring temperature are using improved coating and selecting low density styrofoam pattern are a great help.
提高金属液浇注温度及改良涂料，选用低密度泡沫塑料作模样材料对避免产生分层缺陷有帮助。
2
The disease of drilling and pouring piles is a serious defect which is about the piles quality, it affects the safety and the life of piles use seriously.
钻孔灌注桩露筋病害是成桩质量问题中的一种严重缺陷，它严重地影响着桩基使用的安全及寿命。
3
Therefore, in order to prevent the chill defect, it is must to ensure sufficient stream inoculation and to increase the pouring temperature.