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Experiments aiming at the muck improvement for Chengdu’s subway shield tunneling in water-rich sandy cobble ground initially finds out the kinds and ratio of muck improver suitable for the this strata, and through the field application determines the reasonable ratio of muck improver for shield tunneling in sandy cobble ground, providing a reference to other muck improvement for shied tunneling in...
This study targeted a historical zinc smelting site from southwestern China and investigated the distribution, mobility, and dispersion patterns of trace metals in the surrounding environment. A series of soil, smelting slag, stream sediment, stream water, and groundwater samples were collected from the smelting site and analyzed for Pb, Zn, and Cd. The results showed that the smelting site was seriously...
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