Foundation treatment construction method with column hammer dynamic-consolidation replacement effect

A foundation treatment and dynamic compaction replacement technology, which is applied in infrastructure engineering, soil protection, construction, etc., can solve problems such as high cost and environmental pollution, and achieve the effects of saving engineering costs, reducing environmental pollution, and shortening the construction period

Inactive Publication Date: 2018-11-30
ANHUI ELECTRIC POWER DESIGN INST CEEC
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Problems solved by technology

The latter uses fillers with better performance to replace and squeeze in, and the cost is high
[0003] However, with the rapid development of the city, there are more and more industrial w

Method used

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  • Foundation treatment construction method with column hammer dynamic-consolidation replacement effect
  • Foundation treatment construction method with column hammer dynamic-consolidation replacement effect

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[0032] The present invention will be described in detail below in conjunction with specific embodiments, but it should be understood that the protection scope of the present invention is not limited by the specific embodiments.

[0033] The embodiment of the present invention provides a foundation treatment construction method for column hammer dynamic tamping replacement. The foundation treatment construction method for column hammer dynamic tamping replacement is based on the geological conditions of different projects, choosing different replacement materials and dynamic pressure equivalents. The material foundation is tamped to form holes, using industrial waste aggregates, local waste soil or gravel mixtures, and waste construction waste for backfilling and ramming the pit, multiple ramming and backfilling, and finally low-hammer general ramming to form a compact and consistent foundation Replace the pier to achieve the purpose of strengthening the soft soil of the foundation...

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Abstract

The invention discloses a foundation treatment construction method with column hammer dynamic-consolidation replacement effect. According to the geological conditions of different projects, the different replacement materials and the dynamic pressure equivalent are selected; the foundation of a building is tamped to form holes; the industrial waste aggregate, local waste sandstone or gravel mixture, and waste building wastes are used for backfilling and tamping the pit; the tamping and backfilling are performed for multiple times; finally, the lower hammer common tamping is performed, so as toform a dense replacement pier meeting the foundation, thereby reaching the purpose of consolidating the loose soil body of the foundation. The foundation treatment construction method has the advantages that the wastes are used as the replacement materials to fill the tamped holes, so that while the pollution to environment is reduced, the project cost is greatly reduced; in the whole construction process, the soil body consolidating depth and the soil body bearing capacity are improved, the application range is broad, and the social and economic benefits are good.

Description

technical field [0001] The invention relates to a foundation treatment construction method for column hammer dynamic compaction replacement, and belongs to the technical field of foundation treatment. Background technique [0002] Foundation treatment generally refers to the engineering technical measures taken to improve the bearing capacity of the foundation (soil or rock) supporting the building or to improve its deformation or permeability properties. Dynamic compaction foundation treatment, as a frequently implemented foundation treatment in foundation treatment, can be divided into dynamic compaction method and dynamic compaction replacement method according to the reinforcement principle, applicable conditions and construction technology. The dynamic ramming method refers to the use of a heavy hammer to ram the soil layer from a certain height to improve the bearing capacity of the site. It is suitable for the treatment of gravel soil, sandy soil, unsaturated fine-gra...

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Application Information

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IPC IPC(8): E02D3/00E02D3/046E02D3/08
CPCE02D3/00E02D3/046E02D3/08
Inventor 梁东王诗文陈慧勇耿磊
Owner ANHUI ELECTRIC POWER DESIGN INST CEEC
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