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为研究在某核废料处置场用深地层注浆固化方法处置中放核废液的可行性,我们在该处置场的两口钻井中进行了水压致裂法原地应力测量。通过原地应力测量,发现处置场区的水平主应力和铅直主应力随深度的增加而线性增加,且σ_H>σ_h>σ_r,说明处置场的地应力状态有利于水平或近水平裂缝的产生和扩展,对用水力压裂法处置核废料是有利的,方法是可行的。
To investigate the feasibility of using a deep formation grouting curing method to dispose of spent nuclear waste liquid at a nuclear waste disposal site, we performed in situ stress measurements of hydraulic fracturing in two wells in the disposal site. Through in-situ stress measurement, it was found that the horizontal principal stress and vertical principal stress in the disposal site increased linearly with depth, and σ_H>σ_h>σ_r, indicating that the in-situ stress state of the disposal site was conducive to the generation of horizontal or near horizontal cracks. And expansion is beneficial to the disposal of nuclear waste by hydraulic fracturing. The method is feasible.