INTEGRATION DILEMMA WITHIN THE EURASIAN SPACE IN THE CONTEXT OF THE UKRAINIAN CRISIS


Experimental investigation on calcium dissolution performance of shotcrete with different waterproofing agents

The crystalline blockage of NIN JIOM tunnel drainage pipes poses a common challenge to tunnel engineering, particularly in regions with abundant groundwater and severe ion erosion.Based on the design of concrete mix proportion, this paper improves the calcium ion erosion resistance of shotcrete by adding permeable crystalline sodium methyl silicate

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