JPH04221137A - Steel structure in ultra multistoried building - Google Patents

Abstract

PURPOSE:To simplify the steel working and to improve the work efficiency at the time of transport and erection by dividing a member for forming an outer end column in an ultra-multistoried building into two portions. CONSTITUTION:An outer end column A in the span direction is constituted by two steel pipe columns 1 opposite to each other extending in the same direction, and the opposite vertical faces of the above steel pipe columns are joined to each other through a joining plate by bolts. Further, a horizontal trussed girder B is constructed between the steel pipe columns in the girder direction.

Description

[Detailed description of the invention]

0001

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to steel structures for skyscrapers.

0002

[Prior Art] In conventional skyscrapers, one layer has four
m, the cross section of the column is 2.5m x 1.5m, and the weight of the column reaches 24,0 tons.With this size, a special line must be set up at the steel processing plant, and transportation and on-site transportation will be required. This will hinder the construction of the building. The only way to reduce the cross-sectional size of the column is to increase the plate thickness, but with current technology it is necessary to keep the thickness to about 100 mm.

0003

[Problems to be Solved by the Invention] If a pillar were to be constructed from a single member as in the past, the plate thickness would increase as the cross-sectional dimension increases, and current processing techniques remain unsatisfactory. In addition, a special steel processing line is required, and the weight of a single column poses problems in transportation and erection.

The present invention was proposed in view of the problems of the prior art, and its purpose is to simplify steel processing, reduce the weight of members during transportation and erection, and improve workability. The aim is to provide an improved steel structure for skyscrapers.

[0005]

[Means for Solving the Problems] In order to achieve the above object, the steel structure in a skyscraper according to the present invention has the following features:
The outer end column in the direction between the beams is composed of two steel pipe columns facing each other in the same direction, and the connecting plates protruding from the opposing vertical surfaces of both the steel tube columns are bolted together, and the outer end column in the direction of the girder is It is constructed by constructing a horizontal truss beam between the ends.

[0006]

[Operation] According to the present invention, as described above, the column at the outer end in the beam direction is not composed of one column as in the conventional case, but is composed of two steel pipe columns facing each other in the beam direction. The connecting plates protruding from the opposing vertical surfaces of both steel pipe columns are bolted together, and horizontal truss beams are constructed between the steel pipe columns in the column direction, so that the beam rigidity in the column direction is increased. Furthermore, by dividing the column into two steel pipe columns, the size and weight of each column component can be reduced.

[0007]

[Example] A is an outer end column in the inter-beam direction of a high-rise building, which is composed of two steel pipe columns 1 facing each other in the same direction, and is installed protruding from the opposing vertical surface of the steel pipe columns 1. The joining plates 2 are joined together via splicing plates 3 and bolts 4. Furthermore, a horizontal truss beam B is constructed between each of the steel pipe columns 1 in the column direction. In the figure, 5 is the web of the column-beam joint steel, 5' is the flange, and the splint 6 and bolts 7 are similar to the case of the joint plate 2.
It is joined with. In addition, 8 is an internal column, 9 is a beam constructed between the columns 1 and 8, and 10 is a brace that connects the beam 9.

According to the illustrated embodiment, the outer end column A in the beam-to-beam direction is composed of two steel pipe columns 1 facing each other in the beam-to-beam direction, and a joint protrudes from the opposing vertical planes of the two steel tube columns 1. Since the plates 2 are bolted together and the horizontal truss beam B is constructed between the steel pipe columns 1 in the column direction, the beam rigidity in the column direction is increased. Further, by constructing the column from two steel pipe columns 1, the column members can be processed in a processing factory using a normal line, and welding can be easily performed. Furthermore, since the weight and size of each member can be reduced, transportation from the processing factory to the site and erection of the steel frame can be easily performed.

[0009]

According to the present invention, as described above, the end columns in the inter-beam direction are not composed of one pillar with a large cross-section as in the conventional case, but instead are made of two steel pipes facing each other in the inter-beam direction. By bolting the opposite vertical surfaces of both steel pipe columns through a joint plate, the steel frame can be manufactured in a factory without the need for a special line for steel processing, making it easy to transport and erect. The weight of the members can be reduced and workability can be improved.

Furthermore, horizontal truss beams are constructed between the steel pipe columns of the outer end columns in the column direction to increase the beam rigidity, thereby making it possible to construct a structurally reliable steel structure of a super high-rise building.

[Brief explanation of the drawing]

FIG. 1 is a plan view showing one embodiment of the steel structure of a high-rise building according to the present invention.

FIG. 2 is a front view of FIG. 1.

FIG. 3 is a front view of the outer end column.

FIG. 4 is a diagram in the direction of the arrows in FIG. 3;

FIG. 5 is a rolling diagram in the direction of the arrows in FIG. 3;

[Explanation of symbols]

A Outer end column B Horizontal truss beam 1 Steel pipe column 2　　　　Joint plate ３　　　　　Splice board 4 Bolt

Claims (1)

[Claims] Claim 1: The outer end column in the inter-beam direction is composed of two steel pipe columns facing each other in the same direction, and connecting plates protruding from the opposing vertical surfaces of both steel pipe columns are bolted together, A steel structure for a high-rise building, characterized in that a horizontal truss beam is constructed spanning between the outer end columns in the girder direction.