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Independent plinth construction method in narrow environment

A technology of independent column foundation and construction method, which is applied in the direction of foundation structure engineering, excavation, construction, etc., and can solve problems such as unsuitable use of load-bearing pile foundations

Inactive Publication Date: 2015-05-20
上海宝钢工程咨询有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

If the volume of the independent column base is greater than 2.5m 3 Above and load-bearing pile foundations should not be used

Method used

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  • Independent plinth construction method in narrow environment
  • Independent plinth construction method in narrow environment

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Embodiment Construction

[0025] The following will combine figure 1 with figure 2 The independent column base construction method under the narrow environment provided by the present invention is described in detail, which is an optional embodiment of the present invention, and it can be considered that those skilled in the art can understand the It is revised and polished.

[0026] Please refer to figure 1 , this embodiment provides a construction method for an independent column base in a narrow environment, including the following steps:

[0027] S1: According to the required volume, mass, cross-sectional size and structural form, determine the number of different independent column bases, the volume and quality of each independent column base, and then determine the position of its lifting point and the material and diameter of the ring reinforcement;

[0028] S2: Pouring each independent column foundation according to the determination result of step S1, and assembling the lifting ring 3 for ...

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Abstract

The invention is applied to supervision of supervision personnel in an on-site actual monitoring process, and provides monitoring points of an independent plinth construction method in narrow environment. The independent plinth construction method comprises the first step of determining the number of different independent plinths, the size and mass of each independent plinth, and then determining the positions of lifting points and materials and diameters of rebar rings; the second step of pouring the independent plinths and assembling rings for the independent plinths according to the determined results in the first step; the third step of conducting setting-out according to design requirements and determining the position of the independent plinth, at the same time, determining the size of a digging back shovel according to the determined size and mass in the first step; the fourth step of digging an independent foundation ditch according to the position and the size determined through setting-out; the fifth step of paving an under layer in the independent foundation ditch; the sixth step of lifting the independent concrete plinth on the under layer in the independent foundation ditch through the digging back shovel; the seventh step of backfilling the independent foundation ditch; the eighth step of repeating the steps from third to seventh till finishing all the construction of the independent plinths.

Description

technical field [0001] The invention relates to the field of construction, in particular to a construction method for an independent column base in a narrow environment. Background technique [0002] In the process of technical transformation of many urban municipalities and old factory buildings, it is necessary to add some pipe support columns and high-altitude corridor support columns within the scope of the original facilities, and the original facilities cannot stop production. These locations are narrow and limited in height, and it is not allowed to pile up earthwork and materials around them, and it is impossible to use large-scale machinery for construction, let alone hot work (such as electric and gas welding) in these places; [0003] In addition, in the process of urban municipal construction, the pipe support columns, the foundations of large road lighting lampposts, and the foundations of large billboard pillars are mostly set in narrow street spaces. The const...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02D27/42
CPCE02D27/42E02D17/02
Inventor 张相宝
Owner 上海宝钢工程咨询有限公司
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