Site mixing and blow-filling method of solidified dredged mud

Abstract

The invention discloses a site mixing and blow-filling method of solidified dredged mud. The method comprises the steps of: (1) site mixing and blow-filling of the solidified dredged mud; (2) site solidification of the dredged mud; and (3) detection of the solidified dredged mud. The step (1) further comprises analysis of the soil texture of the dredged mud, selection of a curing agent, determination of a mixing ratio of the curing agent to the dredged mud, mixing of the curing agent and the dredged mud, reinforcing design of the solidified dredged mud and determination of the shear strength index, the modulus of compressibility of the solidified dredged mud and the thickness of a reinforced soil layer to achieve characteristic values of the bearing capacity of foundation soil and allowing deformation values of the foundation treatment design, and determination of the maintenance time of finished products. The step (2) is to finish the reinforcement of a shallow-layer soft soil foundation through mixing and solidifying the curing agent and the dredged mud. The site mixing and blow-filling method of the solidified dredged mud can achieve the purposes of guarantee of the construction days, reduction of the project cost, reasonable resource utilization and environmental protection.

Description

technical field [0001] The invention relates to an on-site mixing and blowing filling technology of dredged mud, in particular to an on-site mixing and blowing and filling method of solidified dredging mud. Background technique [0002] During the dredging process of ports and waterways, a large amount of dredged silt is usually produced, and the problem of dredging mud treatment is particularly prominent in the construction and maintenance of ports and waterways. The dredged mud produced in the dredging project is usually stacked or discarded, and it takes up a lot of land to stack it. However, the dumping of mud in the ocean has seriously affected the effective use of marine resources, and has caused damage to the water environment, geological environment, and ecological environment of the ocean. Larger damage, the contradiction between dredging mud dumping and marine environmental protection has become increasingly prominent, and it is increasingly restricted by various a...

AI Technical Summary

Problems solved by technology

my country's coastal port cities are mostly located in alluvial plains and delta areas. It is difficult to obtain a large amount of earth and stone locally, and long-distance mining and transportation are uneconomical.