早期收缩开裂是导致水泥基材料劣化及体积稳定性不良的重要原因。
Early age cracking caused by shrinkage is an important reason for the deteriorations of cement-based materials and reduction of volume stability.
高性能混凝土以高强度、高工作性、高体积稳定性和高耐久性等技术指标为设计目标。
Such high performance concrete aims to have high strength, workability, volume stability and endurance.
方镁石发育完善、晶体大、直接结合率高、结构致密、抗渣性强、高温体积稳定优越。
Periclase develops completely and its crystal body is big, with high combination rate, firm and tight structure, good refuses resistance and stable performance.
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