常見例句雙語例句The early cracking of concrete is usually caused by dry shrinkage, autogenous shrinkage of cement hydration and thermal-strain by hydration heat of cement.混凝土的早期開裂主要是由于混凝土失水所產(chǎn)生的干燥收縮、水泥水化所產(chǎn)生的混凝土自收縮以及水泥水化熱所產(chǎn)生的溫度應(yīng)變所引起。The rate of hydration heat evolution and hydration heat of the PC-CS-A system were tested, and the influence of the composition on the heat of the hydration were analyzed.測試了PC-CS-A 復(fù)合體系水泥的水化放熱量及水化放熱速率,分析了組成對水化放熱行為的影響。According to the test results of 15 specimens of expansive concrete filled steel tube, study the hydration heat, self-stress and the limit bearing capacity of expansive concrete filled steel tube.依據(jù)15個(gè)鋼管膨脹混凝土試件的試驗(yàn)情況,研究了鋼管膨脹混凝土的水化熱,自應(yīng)力及破壞荷載。 返回 hydration heat