the hydration degree of portland cement under the condition of low water cement ratio was tested, and the microstructure of hardened cement paste was studied by means of xrd and sem.
mechanism and law for the corrosion of hardened cement paste by acid and sulphate were studied according to the rapid simulated test for soil corrosion.
本文根据土壤腐蚀快速模拟试验的结果,论述了酸和硫酸盐对硬化水泥石腐蚀的机理及规律;
furthermore, the cracking layer adjacent to hardened cement paste may affect the interfacial properties oi concrete, such as bond strength.
同时,界面水泥侧的易干裂层对混凝土的界面性能(如粘结强度等)可能有一定影响。
the corrosion essence of the concrete is that corrosive materials attack its hardened cement paste and thus destroy the concrete as a whole.
混凝土的侵蚀实质是水泥石的侵蚀,而造成混凝土宏观破坏。
in this paper, the test method of the linear thermal expansion coefficient of hardened cement paste is studied.
本文研究了水泥石线性热膨胀系数的测试方法,并针对本试验方法制定了相关的试验制度。
the results indicated that the inner self-desiccation degree of hardened cement paste containing ufa reduced more than that of ordinary hardened cement paste.
结果表明,相比于基準水泥石,ufa水泥石内部自干燥程度大大降低;
thermal expansion properties of hardened cement paste were reduced after fly ash and blast furnace slag was added.