Novel beach sludge roadbed treatment method

Abstract

The invention relates to a novel beach sludge roadbed treatment method. The problems of machine entry and construction platform in a later period are effectively solved by the anti-clogging closed vacuum preloading foundation treatment way of the method in the early stage; the later foundation treatment way of anti-clogging closed composite vacuum combined preloading effectively and rapidly reinforces the treatment effect in the early stage, the soil mass is enabled to generate secondary consolidation. Compared with a preloading method, the foundation consolidation can be finished in shorter construction cycle, the post-construction settlement is avoided, the expected roadbed designed elevation can be met without unloading when in use, and the purposes of short cycle, adaptability and fast implementation are truly realized.

Description

technical field [0001] The invention relates to a foundation treatment technology, which is mainly applicable to soft clay foundations deposited in marine, lacustrine and river facies, and belongs to the technical field of geotechnical engineering. Background technique [0002] In order to speed up the pace of development of my country's coastal industrial belt, stretch the urban spatial development pattern, alleviate the pressure brought by population, resources and environment, and provide strategic support for sustainable development, it is necessary to vigorously utilize tidal flat resources for development and construction. Deep tidal muddy soft clay is widely distributed in coastal areas of my country and accumulated in layers. Because this kind of soft clay has low permeability, high water content, low shear strength, high compressibility, weak bearing capacity, strong thixotropy and poor structure And many unfavorable engineering characteristics, large construction ar...

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Problems solved by technology

[0006] The present invention attaches great importance to the problems of mechanical transportation and material consumption, so the first stage adopts the anti-clogging airtight vacuum preloading foundation treatment method to effectively solve the problems of mechanical entry and construction platforms in the later stage, and the drainage board adopts anti-clogging Silting the drainage board, the loss of the vacuum degree along the way is very small, so that the vacuum degree is directly transmitted to the interior of the deep soil, improving the utilization efficiency of the vacuum pressure, accelerating the consolidation of the soil, and thus improving the effect of soil reinforcement

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