Vacuum Preloading Consolidation Soft Plastic Drain Spacing In Selected Research

In China's coastal rivers and the delta of alluvial plains into the sea widely distributed in marine sediments, lake sediments and river sediments of soft clay layer, the soil has a high water content, poor permeability, compressibility and low strength of large and . In recent years, with the economic and social development, engineering, construction land increasingly tense, more and more buildings will be built on this soft ground, soft ground for the theoretical research and engineering development of the practice, which pre-vacuum drainage pressure method is a relatively mature soft approach, and achieved good economic and social benefits. Located in the Tianjin Binhai New Area of Tianjin Port Land Reclamation Department made, is typical of the soft ground, to port a variety of building design and construction have had a negative impact. State has made it clear to the development and opening of Tianjin Binhai New Area into the overall development strategy, Tianjin Binhai New Area is an important part of the development and opening of Binhai New Area of Tianjin Port to create a rare historical opportunity. How to optimize existing reinforced soft soil treatment method for the port construction to shorten the duration and cost savings as an important research topic of concern.In this paper, A review of vacuum preloading technology development and research the history of the status quo, based on the combination of Tianjin Harbor Industrial Zone by the three-way (a) to carry out ground treatment works vacuum preloading different drain spacing effects on the duration and cost of research , soft foundation for the future design and construction of the optimization program to provide guidance recommendations. Following major elements:(1) a brief description of Tianjin Binhai geological foundation conditions and applicable approach to review the vacuum preloading method in a large area of deep and soft in the history of the status quo.(2) describes the basic construction of the vacuum preloading process and basic principles.(3) application examples of specific projects, including project profiles, and monitoring the construction process and results analysis.(4) describes the basic method of calculation of foundation settlement, obtained by calculating the distance between the different cost of the drainage board for the duration impact of the curve. Soft foundation for the future program for the future optimization of the design and construction recommendations to provide guidance.