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。
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。
Therefore, in order to prevent the chill defect, it is must to ensure sufficient stream inoculation and to increase the pouring temperature.
防止措施是确保足够的随流孕育量，提高浇注温度。
Therefore, in order to prevent the chill defect, it is must to ensure sufficient stream inoculation and to increase the pouring temperature.
防止措施是确保足够的随流孕育量，提高浇注温度。
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