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L-shape steel concrete profiled pole with solid-web steel framework

A technology of concrete and special-shaped columns, applied in the direction of columns, piers, pillars, etc., can solve problems such as unreachable

Inactive Publication Date: 2007-05-30
XI'AN UNIVERSITY OF ARCHITECTURE AND TECHNOLOGY
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  • Abstract
  • Description
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Problems solved by technology

In order to ensure that the two different components of steel and concrete can work together, certain measures must be taken (such as welding studs or taking a certain thickness of the protective layer), otherwise the combined effect will not be achieved

Method used

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  • L-shape steel concrete profiled pole with solid-web steel framework
  • L-shape steel concrete profiled pole with solid-web steel framework

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Embodiment Construction

[0013] In order to achieve the purpose of effectively improving the bearing capacity and seismic performance of special-shaped columns, the steel ratio of the section should not be too low or too high. The gripping force of concrete to steel is reduced, which affects the bonding force of both. Combined with my country's national conditions, the cross-sectional steel ratio is 4% to 10%. Through experimental research, the ultimate bearing capacity of SRC special-shaped columns with steel ratios in this range is 36% higher than that of RC special-shaped columns with the same cross-section. % above (see Table 1). The bond strength between steel and concrete is about 2.5MPa, and the slippage between steel and concrete is less than 0.4mm.

[0014] Table 1 Comparison of ultimate bearing capacity of SRC special-shaped columns and RC special-shaped columns

[0015] For the L-shaped steel concrete special-shaped column with solid abdominal steel skeleton, in order to ensure the coope...

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Abstract

The invention discloses a L-shaped steel reinforced concrete special-shaped column matching with solid steel skeleton, comprising L-shaped steel reinforced concrete special-shaped column and section steel. The section steel is matched with said L-shaped steel reinforced concrete special-shaped column and said section steels are connected by solid steel plate. The L-shaped steel reinforced concrete special-shaped columns matching with solid steel skeleton of T section steel can improve the bearing ability and anti-shock performance of common RC special-shaped column by reasonably matching section steel It makes special-shaped column structure apply widely in high-rise building and the building in the region with high earthquake intensity , especially the high-rise building in the region against more than eight degree of anti-shock.

Description

technical field [0001] The invention relates to a combined structure of steel and concrete and a mixed structure, in particular to a steel-concrete special-shaped column structure. Background technique [0002] The special-shaped column structure is a new type of structure developed in recent years. It is composed of L, T, and ten-shaped columns. The width of the columns is as thick as the filling wall, avoiding the protrusion of the columns, and can organically combine the beauty of the building with the flexibility of use, provide users with a comfortable working and living environment, and increase the number of rooms. The actual usable area is very high, and the "household rate" is high, which is very popular. In order to promote this new structure, the state has promulgated a number of guiding documents. However, with the deepening of engineering application and research, some limitations of the currently used reinforced concrete (RC) special-shaped columns are clearl...

Claims

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Application Information

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IPC IPC(8): E04C3/34
Inventor 赵鸿铁陈宗平薛建阳
Owner XI'AN UNIVERSITY OF ARCHITECTURE AND TECHNOLOGY
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