盐胀发生剧裂变化的温度区间并不是固定的，它与孔隙溶液浓度有关。
The temperature limits of violent change of salt heave is not fixed, it is related with the concentration of soil pore solution.
根据混凝土孔隙溶液中钙离子浓度的变化情况，研究了化学损伤对混凝土本构关系的影响。
According to the changing of the calcium ion concentration in the concrete hole solution, the influence of the chemical damage on the concrete constitutive relations is studied.
以上两种结合作用都可以有效降低混凝土孔隙溶液中的自由氯离子浓度，对被混凝土层包裹的钢筋起到防腐蚀的保护作用。
These two kinds of chloride binding capabilities can effectively reduce the free chloride ion concentrations in pore solutions of concrete, so as to protect concrete coated steel rebar from corrosion.
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