Meanwhile, the simulation of cold wave occurred during construction shows that the ultimate tensile strength of concrete is low during its early age state. If a cold wave happens, the possibility of surface cracking is lager.
同时,模拟施工期间寒潮发生的情况,可以看出由于施工期间混凝土处于早龄期状态其极限抗拉强度低,若发生寒潮,加大了表面开裂的可能性。
参考来源 - 混凝土空心墩温度效应有限元分析·2,447,543篇论文数据，部分数据来源于NoteExpress
Any surface cracking of the bloom will cause ser - ious quality problem.
管坯的表面裂纹会对无缝钢管的质量产生极坏的影响。
The strippable film on the substrate has high attachment, no surface cracking and long service life.
本发明模仁的 离形膜附着性好，表面无裂纹，因此其使用寿命较长。
During the mass concrete construction in bridge structure, the cement hydration heat is easy to cause surface cracking.
大体积混凝土在桥梁施工过程中，由于水泥水化热容易引起表面裂缝。
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