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Upright column concrete and construction method of concrete upright column

A technology of concrete columns and construction methods, which is applied in the direction of columns, pier columns, pillars, etc., can solve the problems of poor impact resistance, complicated construction, poor color and smoothness of the column surface, etc., and achieve strong tensile and impact resistance. The construction period and the effect of ensuring formwork turnover

Active Publication Date: 2018-01-16
中电建南方建筑科技有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The existing column concrete has low tensile strength, high brittleness, easy cracking, poor toughness, and poor impact resistance. Hidden dangers of various disasters and accidents. In addition, the surface color and smoothness of the existing concrete travel columns are poor, and the "mirror" effect cannot be achieved.
Moreover, the construction period of the existing concrete columns is long, the construction is complicated, and the cost is high, which is not conducive to the progress of other construction procedures in the later stage

Method used

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  • Upright column concrete and construction method of concrete upright column

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Embodiment Construction

[0032] The present invention is further described below in conjunction with accompanying drawing and embodiment:

[0033] A column concrete, its raw materials include water, cement, sand, stone, admixtures and admixtures, the mass ratio of each of the above raw materials is (0.36-0.44): 1: (1.57-1.93): (2.50-3.07): (0.12-0.37): (0.02-0.03), and the water-binder ratio in the raw material is 0.34.

[0034] The admixture is a high-efficiency water reducer.

[0035] In one embodiment, the dosage of each raw material is: 155 kg of water, 430 kg of cement, 675 kg of sand, 1075 kg of stone, 50 kg of admixture, and 9.6 kg of admixture, wherein the admixture is fly ash. The specific usage ratio is 0.36:1.00:1.57:2.50:0.12:0.02.

[0036] The official realization of the slump is 120-160mm, and the apparent density reaches 2395kg / m3.

[0037] In another embodiment, the consumption of each raw material is respectively: 155 kg of water, 350 kg of cement, 675 kg of sand, 1075 kg of stone,...

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Abstract

The invention discloses an upright column concrete and a construction method of the concrete upright column in the building construction field. The raw materials of the upright column concrete comprise water, cement, sand, stone, an admixture and an additive, and the water-cement ratio in the raw materials is 0.34. The construction method specifically comprises the following steps: performing early-stage preparation, erecting a scaffold, making and binding column body steel bars, making and installing a fixed template, stirring and conveying concrete, pouring the concrete, disassembling the scaffold and the template, maintaining a finished product and the like. The upright column concrete provided by the invention has high tensile strength and impact resistance, has a long service life, and can form a uniform ''mirror surface'' effect; the construction process is compact; the construction period of the upright column is shortened; meanwhile, the construction strength of the peak periodis reduced, and a foundation and preparation are laid for subsequent construction.

Description

technical field [0001] The invention relates to the field of construction, in particular to a column concrete and a construction method for the concrete column. Background technique [0002] With the acceleration of urbanization and the increase of extreme weather, urban rainstorm and flood disasters are becoming more and more frequent. At the same time, the urban groundwater level has been decreasing year after year, and urban water shortage is extremely serious. Therefore, the development and utilization of water resources has become the focus of people's attention. The application of storage tanks enables people to collect and utilize rainwater, making a great contribution to energy conservation. Most of the existing storage tanks are made of reinforced concrete, which specifically includes the construction of the bottom plate, side walls, columns and beams, and the column construction process occupies a particularly important part. [0003] The existing column concrete ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B28/00E04C3/34
Inventor 梁兴朴李志华酒亚斌段景川张海山金风清
Owner 中电建南方建筑科技有限公司