early-age concrete的意思|示意

Various curing condition and different amount of water evaporated in early-age curing would lead to different strength of concrete.

早期养护条件不同，混凝土失水量不同，则混凝土中后期强度也不相同。

A finite difference model for predicting temperature fields in early age concrete is presented based on adiabatic test on concrete.

采用有限差分方法，建立了基于混凝土绝热温升试验的早龄期混凝土温度场计算模型。

The polypropylene fiber can effectively control the length, width and number of the drying shrinkage crack of early-age concrete.

聚丙烯纤维可有效控制混凝土早期干缩裂缝的长度、宽度和数量。

The results show that the early strength and the permeability of concrete can be improved effectively, and the hydration heat can be reduced and the hot peak value at the early age can be postponed.

结果表明：掺加激发剂能有效改善大掺量粉煤灰混凝土早期强度低的问题，而且可以在降低水泥水化热的同时，延缓混凝土早期放热峰值的出现，并使混凝土具有良好的抗渗性能。

The tensile stress induced by restrained thermal and autogenous shrinkage deformations was the main driving force of cracking in concrete at early age.

温度变形和自生收缩变形等受约束形成的拉应力，是引起混凝土早期开裂的主要驱动力；

A mathematic model is set up by probabilistic method for analyzing concrete crack in early age, which is tested by the observation results of a concrete retaining wall case.

利用概率的方法，建立分析早龄期混凝土开裂的数学模型，并利用一实际的混凝土挡土墙工程观测结果进行验证。