Large-area deep soft foundation preloading comprehensive treatment method combined with production and operation management

A preloading preloading technology for weak foundations, applied in infrastructure engineering, soil protection, construction, etc., can solve problems such as large investment in engineering construction, long construction period, and difficult to deal with

Active Publication Date: 2013-01-16
WUHAN SURVEYING GEOTECHN RES INST OF MCC
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Problems solved by technology

[0002] At present, when carrying out engineering construction on soft soil foundations, the foundation is generally reinforced first to achieve the bearing capacity required by the design, and then the engineering construction is carried out, resulting in a long construction period and a large investment in engineering construction.
Especially in the treatment of those weak foundations with large-area stockpiling in the later stage of production or operation, such as the foundation treatment process of large-area raw material storage yards with deep and weak foundation soil, due to the large stockpiling load and large foundation treatment area, if the treatment reaches the standard first After being put into use, not only the construction period is long, but also the usual foundation treatment method is often difficult to handle to the extent that it can meet the one-time stacking to the maximum design height, and it is also difficult to meet the foundation strength and stability requirements at the same time, which often costs a lot of money. It is still difficult to achieve the ideal foundation treatment effect due to the cost and long construction period
In addition, in the past, some large-scale raw material storage yards did not carry out scientific storage management, and stacked randomly, resulting in instability of the foundation, and did not reach the designed maximum storage capacity for a long time, resulting in major economic losses

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  • Large-area deep soft foundation preloading comprehensive treatment method combined with production and operation management
  • Large-area deep soft foundation preloading comprehensive treatment method combined with production and operation management
  • Large-area deep soft foundation preloading comprehensive treatment method combined with production and operation management

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Embodiment Construction

[0050] according to Figure 1~Figure 6 As shown, a large-area, deep, weak foundation surcharge preloading comprehensive treatment method combined with production and operation management, its specific implementation method is as follows:

[0051] 1. Foundation treatment design and calculation: According to the parameters of the foundation rock and soil layer of the site to be treated, cooperate with the vertical and horizontal drainage systems, and in accordance with the principle that the foundation stability coefficient is greater than 1.1, estimate the maximum height of the first-level stockpiling of the foundation and the first-level Consolidation time of foundations under stockpile loads.

[0052]2. According to the designed drainage system plan, the drainage system is constructed in the soft soil foundation, mainly including the vertical drainage system and the horizontal drainage system. Generally, sand and gravel piles (wells) are pre-drilled before loading, or plastic...

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Abstract

The invention discloses a large-area deep soft foundation preloading comprehensive treatment method combined with production and operation management. The method comprises the following steps of: (1) performing foundation treatment design calculation; (2) designing a drainage system scheme; (3) arranging a monitoring system; (4) arranging a sandstone pre-arched camber according to theoretical sedimentation deformation; and (5) formulating relevant management processes. The method has the advantages that sandstone piles (wells) or plastic drainage plates and the like can be arranged in foundation soil through a scientific material storage management system by fully using abundant stored materials serving as a convenient condition in a raw material storage yard and are used as drainage channels to fulfill the aims of gradually draining water from a foundation and solidifying and compacting the foundation, improving the intensity of the foundation soil and finally meeting the requirement of designing the maximum stocked material load. By the method, the manufacturing cost of foundation treatment engineering can be greatly reduced, the maximum material storage capacity of the raw material storage yard can be realized within the shortest time through strict and scientific material storage management, and the waste of raw materials can be reduced to the greatest extent at the same time; and production and operation time is greatly shortened, and great economic benefits are brought.

Description

technical field [0001] The invention relates to the technical field of foundation treatment design in geotechnical engineering, and specifically relates to a comprehensive preloading and preloading comprehensive treatment method for large-area deep, thick and weak foundations that is closely combined with production and operation. Background technique [0002] At present, when carrying out engineering construction on soft soil foundations, the foundation is generally reinforced first to achieve the bearing capacity required by the design, and then the engineering construction is carried out, resulting in a long construction period and a large investment in engineering construction. Especially in the treatment of those weak foundations with large-area stockpiling in the later stage of production or operation, such as the foundation treatment process of large-area raw material storage yards with deep and weak foundation soil, due to the large stockpiling load and large foundati...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02D3/10
Inventor 欧阳小良王小章胡纯清罗丙圣肖玉成
Owner WUHAN SURVEYING GEOTECHN RES INST OF MCC
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