Study on Concreting Sequencing Methods for Concrete Dam Based on the Simulation of Preparatory Work
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Abstract:
In order to investigate the effects of different treatment methods on the dredged sludge fertility and castor growth, different experiments were conducted on the castor planting soil (untreated dredged sludge (CK1), cultivation soil (CK2), and saline soils (CK3) and three types of improved dredged sludge soil (Ⅳ, Ⅴ, Ⅵ)), and the variations of planting soil physicochemical properties, castor root development, and growth conditions above ground were evaluated. The results showed that the treatment methods for improving dredged sludge soil can improve the grain structure of sludge, reduce the density and pH, and enhance the nutrition content of sludge, and the modified sludge plays a certain role in promoting the root development and castor growth. Moreover, it was found that the treatment method IV for improving dredged sludge soil is the most effective method to promote the castor growth, which has similar effects as the cultivation soil (CK2).
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