Filter pipe tread-in vacuum drainage super-soft soil reinforcing technical method

Abstract

The invention relates to a filter pipe tread-in vacuum drainage super-soft soil reinforcing technical method, which comprises the following steps of: cutting a certain number of drainage plates with a certain length according to the reinforcing depth and reinforcing area of dredger fill, and binding the drainage plates on filter pipes at intervals of 40 to 60cm; inserting the plastic drainage plates to a predetermined depth, and horizontally pressing the filter pipes below mud by a certain depth while the drainage plates are inserted; connecting the filter pipes with vacuumizing equipment by using mud discharging devices; and directly transferring vacuum negative pressure to foundation soil through the filter pipes and the drainage plates by a novel vacuum drainage reinforcing technology in which sludge on a surface layer is taken as a sealing layer and the filter pipes are taken as a drainage channel and reinforcing a foundation for 20 to 50 days. The low-permeability sludge on the surface layer is used for forming a sealing system, so that a large number of natural resources are saved; the dredger fill is directly reinforced without being aired after being filled, so that the construction period is shortened, and reinforcing speed is high; the bearing capacity of the foundation reaches 50 to 80kPa, and the reinforcing effect is good; and natural sand and stone materials and a sealing film are not used, so that environmental friendliness, high speed, economy and advancement are achieved.

Description

technical field [0001] The invention belongs to a foundation reinforcement method of the foundation soil reinforcement technology of civil engineering. In particular, it relates to a new ultra-soft soil foundation reinforcement technology-a filter tube step-in vacuum drainage reinforcement ultra-soft soil technology method. Background technique [0002] Vacuum preloading soft soil foundation method has been used in my country for more than 20 years, and the construction technology is very mature. This method has been widely and massively used not only in the water transportation industry, but also in the national infrastructure industry. In a ministerial foundation specification. [0003] With the development of coastal cities in my country, the scale of land reclamation from the sea continues to expand, and many problems have emerged. On the one hand, natural resources such as sand, gravel, and thorn (bamboo) fences are becoming increasingly scarce, and the traditional vacu...

AI Technical Summary

Problems solved by technology

The invention solves many problems such as shortage of sand and gravel materials, unsatisfactory treatment effect and long reinforcement period in the vacuum preloading foundation treatment of new dredging fill

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