Circular hollow interlayer splicing column and construction method thereof

A splicing column and hollow technology, applied in the directions of columns, pillars, piers, etc., can solve the problems of complex design and construction of connecting components, insufficient joint stiffness, insufficient working surface, etc., and achieve high assembly efficiency, enhanced shear bearing capacity, and construction. low difficulty effect

Active Publication Date: 2018-09-21
QINGDAO TECHNOLOGICAL UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Aiming at the above-mentioned defects in the prior art, the present invention proposes a circular hollow interlayer splicing column and its construction method. The construction is complicated

Method used

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  • Circular hollow interlayer splicing column and construction method thereof
  • Circular hollow interlayer splicing column and construction method thereof
  • Circular hollow interlayer splicing column and construction method thereof

Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0039] Example 1:

[0040] Such as figure 1 with figure 2 As shown, the circular hollow sandwich splicing column of the present invention includes an outer tubular column 1 formed by vertical insertion and fixing of at least two skeleton units, and an inner tubular column member fixed in the outer tubular column 1, and The inner wall of the outer tube string 1 is welded with at least one anti-drop groove 5; the inner tube string component includes an inner tube string 2 arranged concentrically with the outer tube string 1, and a number of vertically welded along the outer wall of the inner tube string 2. Blocks of equal-length steel partitions 3, the steel partitions 3 are spaced apart from each other, and the ends are provided with anti-dropping heads 8 matching with the anti-dropping grooves 5; the inner circular pipe string 2 is inserted through the anti-dropping heads 8 of the steel partition 3 The anti-drop groove 5 connected to the outer cylindrical column 1 is fixed; the ...

Example Embodiment

[0045] Example 2:

[0046] The cross section of the skeleton unit of the present invention can be varied, and the outer cylindrical pipe string 1 can also be formed by splicing multiple skeleton units.

[0047] For example, as shown in Fig. 3(a), the cross section of the skeleton unit is a 90° sector. Such as figure 1 with figure 2 As shown, the outer tubular column 1 is formed by splicing four frame units with a cross section of a 90° sector.

[0048] As shown in Figure 3(b), the cross-section of the skeleton unit is a 180° sector. Such as Image 6 with Figure 7 As shown, the outer tube string 1 is formed by splicing two frame units with a 180° sector shape in cross section.

[0049] As shown in Figure 3(c), the cross-section of the skeleton unit is 270° sector-shaped. Such as Figure 8 with Picture 9 As shown, the outer cylindrical column 1 is formed by splicing a frame unit with a 90° sector shape in cross section and a frame unit with a 270° sector shape in cross section.

Example Embodiment

[0050] Example 3:

[0051] In the framework unit of the present invention, the vertical height dimensions on the left and right sides are not consistent.

[0052] For example, such as figure 1 There are multiple skeleton units in the three-dimensional view shown. Among the skeleton units in the lower layer, the vertical height dimensions of the leftmost and rightmost skeleton units are both smaller than the vertical height dimensions of the middle side skeleton unit; similarly, the upper layer Among the skeleton units, the vertical height dimensions of the leftmost and rightmost skeleton units are larger than the vertical height of the middle skeleton unit. As a result, the lower layer and the upper layer skeleton units cooperate to form a complete outer cylindrical column 1.

[0053] Such as Image 6 There are multiple skeleton units in the three-dimensional view shown. Among the skeleton units of the lower layer, the vertical height of the left side is greater than the vertical he...

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Abstract

The invention relates to a circular hollow interlayer splicing column and a construction method thereof, and belongs to the technical field of building steel structure construction. The circular hollow interlayer splicing column comprises an outer circular pipe column formed by vertically inserting and fixing at least two skeleton units, and an inner circular pipe column member fixed in the outercircular pipe column; the inner wall of the outer circular pipe column is welded with at least one anti-drop groove; the inner tubular column member comprises an inner circular pipe column concentrically arranged with the outer circular pipe column, and a plurality of equal length steel partition plates welded perpendicularly along the outer wall of the inner circular pipe column; the steel partition plates are spaced apart from each other and anti-drop heads matched with the anti-drop grooves are arranged at ends of steel partition plates; the inner circular pipe column is fixed by insertingthe anti-drop heads of the steel partition plates into the anti-drop grooves of the outer circular pipe column; and the heights of the skeleton units at the left side and the right side of the bottomlayer is inconsistent in the vertical direction and the two skeleton units are staggered up and down. By adopting the circular hollow interlayer splicing column, the problems that the connection modeof the existing circular hollow interlayer splicing column is inconvenient in on-site construction operation, the connecting member is complicated in design and construction, and pitch points are insufficient in stiffness, and difficult in welding at present are solved.

Description

technical field [0001] The invention relates to a circular hollow interlayer splicing column and a construction method thereof, belonging to the technical field of building steel structure construction. Background technique [0002] In recent years, concrete-filled steel pipe columns have been widely used in practical projects. Compared with pure steel reinforced concrete members, they can significantly reduce the amount of steel used, reduce the cost of structures, and improve the fire resistance of steel members; steel pipes can be used as templates for pouring concrete , eliminating the need for reinforced concrete components formwork and demolition process, significantly improving the construction speed of the structure. [0003] The prefabricated steel structure is in a period of vigorous development, and it is an important way for the development of building industrialization, and the connection between columns occupies a very important position in the prefabricated st...

Claims

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Application Information

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IPC IPC(8): E04C3/32E04C3/34
CPCE04C3/32E04C3/34
Inventor 牟犇庞力艺杨国涛胡海涛刘俊伟
Owner QINGDAO TECHNOLOGICAL UNIVERSITY
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