TWI810034B - Steel beam connection structure - Google Patents

Abstract

A steel beam connection structure includes a first steel beam, a second steel beam, and a connection member. The first steel beam includes a first fixing end having a first size. The second steel beam includes a second fixing end having a second size. The second size is smaller than the first size. The connection member is fixed between the first fixing end and the second fixing end. Therefore, the present invention achieves the connection structure between a larger steel beam and a smaller steel beam.

Description

Steel beam connection structure

The invention relates to a steel beam structure, in particular to a connection structure for steel beams of different sizes.

In the traditional construction method, the column structure with asymmetric section (large column and small column structure) is achieved by using a transfer structure, but there is almost no exclusive structure for the connection of steel beams of different sizes.

Accordingly, the present invention proposes a steel girder connecting structure for connecting steel girders of different sizes and applying it in building construction.

In order to solve the above problems, the present invention provides a steel beam connection structure for realizing the connection structure of steel beams of different sizes. Among them, the advantage of saving steel consumption can be achieved under the same strength capacity.

To achieve the above purpose, an embodiment of the present invention provides a steel beam connection structure, which includes a first steel beam, a second steel beam and a connecting piece. The first steel beam has a first fixed end, and the first fixed end has a first size; the second steel beam has a second fixed end, and the second fixed end has a second size, and the second size is smaller than The first size; the connecting piece is fixed between the first fixed end and the second fixed end.

In another embodiment of the present invention, both the first steel beam and the second steel beam are H-shaped steel; the first steel beam has a first height H1, the second steel beam has a second height H2, and the connector has a first height Three heights H3, the first height H1 is greater than the second height H2, and the third height H3 is equal to the first height H1.

In another embodiment of the present invention, the first steel beam and the second steel beam have the same first thickness T1, and the connector has a second thickness T2 along the axial direction of the first steel beam and the second steel beam, And the top surface of the first steel beam is flush with the top surface of the second steel beam, and the vertical distance from the bottom surface of the first steel beam to the bottom surface of the second steel beam is D1, which satisfies the following conditions:

T2≥√(6*T1(D1-T1)).

In another embodiment of the present invention, a reinforcing member is further included, which is arranged at the place where the first steel beam and the second steel beam bear the bending moment, and at least one side of the reinforcing member is fixedly connected to the connecting member.

In another embodiment of the present invention, both the first steel beam and the second steel beam are H-shaped steel; the first steel beam and the second steel beam have the same first thickness T1, and the connecting piece is along the first steel beam and the second steel beam. A second thickness T2 is set in the axial direction of the second steel beam, and the first thickness T1 is equal to the second thickness T2.

In another embodiment of the present invention, the reinforcing member has a third thickness T3 along the axial direction of the first steel beam and the second steel beam, and the reinforcing member has a height D2, which satisfies the following conditions:

T3≥√(6*T2*D2).

In another embodiment of the present invention, the reinforcing member is rectangular, and the reinforcing member further includes a depth D3, and the depth D3 is greater than the height D2.

In another embodiment of the present invention, the connector has a first side and a second side oppositely arranged, the first side is affixed to the first fixed end, and the second side is affixed to the second fixed end, strengthening The number of parts is 5, wherein two reinforcement parts are fixedly connected between the first steel beam and the first side, and the other three reinforcement parts are fixedly connected between the second side of the second steel beam.

In another embodiment of the present invention, the second steel beam is provided with a plurality of bolt holes away from the second fixed end.

In another embodiment of the present invention, the connector has a first side and a second side oppositely arranged, the first side is fixed to the first fixed end, the second side is fixed to the second fixed end, and the second side is fixed to the second fixed end. There is a slope between the one side and the second side.

In another embodiment of the present invention, the slope of the slope is 1/6.

The connection structure of steel beams of different sizes can be realized by means of the foregoing invention.

The above and other objects, technical features and advantages of the present invention will be best understood from the following detailed description and corresponding drawings and embodiments.

Exemplary embodiments of the present invention are described in detail below with reference to the accompanying drawings, and it is not intended to limit the technical principles of the present invention to specific disclosed embodiments, but the scope of the present invention is only limited by the scope of the patent application, covering substitutions, modifications and equivalent.

Please refer to FIG. 1 , which is a first embodiment of a steel beam connecting structure 100 of the present invention, which includes a first steel beam 10 , a second steel beam 20 and a connecting piece 30 .

The first steel beam 10 has a first fixed end 11, and the first fixed end 11 has a first size. In the embodiment of the present invention, the first steel beam 10 is H steel, which has a web 12 and an upper wing 13 and a lower wing 14 connected to two ends of the web 12 . The vertical distance between the upper wing plate 13 and the lower wing plate 14 of the first steel beam 10 is a first height H1.

The second steel beam 20 has a second fixed end 21, and the second fixed end 21 has a second size. In the embodiment of the present invention, the second steel beam 20 is H steel, which has a web 22 and an upper wing 23 and a lower wing 24 connected to two ends of the web 22 . The vertical distance between the upper wing 23 and the lower wing 24 of the second steel beam 20 is a second height H2. The second size of the second steel beam 20 is smaller than the first size of the first steel beam 10, that is, the height and depth of the second steel beam 20 are smaller than the height and depth of the first steel beam 10, that is, the first height H1 greater than the second height H2. In addition, the first steel beam 10 and the second steel beam 20 have the same first thickness T1. The first thickness T1 refers to the thickness of each web 12 , 22 , upper wing 13 , 23 and lower wing 14 , 24 .

The connecting piece 30 is fixed between the first fixed end 11 and the second fixed end 21 . In the embodiment of the present invention, the connecting piece 30 is a steel plate, and the connecting piece 30 and the first steel beam 10 and the second steel beam 20 are pre-welded and fixed in the factory. The connecting member 30 has a third height H3, the first height H1 is greater than the second height H2, and the third height H3 is equal to the first height H1

The connecting piece 30 has a first side 31 and a second side 32 oppositely arranged, and between the first side 31 and the second side 32 and along the axial direction of the first steel beam 10 and the second steel beam 20, a The second thickness T2, the first side 31 is affixed to the first fixed end 11 to close the end of the first steel beam 10, the second side 32 is fixed to the second fixed end 21 to close the second steel beam 20 ends closed. In addition, the top surface 15 of the first steel beam 10 is flush with the top surface 25 of the second steel beam 20, so that the second side 32 is partially exposed, and the bottom surface 16 of the first steel beam 10 to the bottom surface 26 of the second steel beam 20 The vertical distance is D1.

In the first embodiment, the second thickness T2 satisfies the following conditions: T2≥ .

Accordingly, through the connection piece 30 fixed between the first steel beam 10 and the second steel beam 20, the structure of connecting steel beams of different sizes can be realized; and due to the size of the first steel beam 10 and the second steel beam 20 The difference makes the cross-sections of the two non-corresponding. Therefore, by thickening the thickness of the connector 30, the bending moment resistance of the whole steel beam can be improved, and the structural strength can be improved.

Further, in the first embodiment, the second steel beam 20 is far away from the second fixed end 21, and a plurality of bolt holes 27 are provided at the position of the web 22, and the bolt holes 27 are used for the second steel beam 20 Use fixed bolts to connect with other steel beams in the construction site (the fixed end section is combined with the middle section).

Please refer to FIG. 2 to FIG. 4 , which are the second embodiment of a steel beam connecting structure 100 a of the present invention, which is different from the first embodiment in that the first thickness T1 of the second embodiment is equal to the second thickness T2 . The steel beam connecting structure 100a further includes a reinforcing member 40, which is disposed at the place where the first steel beam 10 and the second steel beam 20 bear the bending moment, and at least one side of the reinforcing member 40 is fixedly connected to the connecting member 30a.

The reinforcement 40 is in the shape of a right triangle, and the number of reinforcements 40 is 5, namely the first reinforcement 41, the second reinforcement 42, the third reinforcement 43, the fourth reinforcement 44 and the fifth reinforcement 45 . The first reinforcement 41 and the second reinforcement 42 are fixed between the lower flange 14 of the first steel beam 10 and the first side 31 of the connector 30a, and the first reinforcement 41 and the second reinforcement 42 are connected by The webs 12 of the first steel girder 10 are spaced apart. The third reinforcement 43 , the fourth reinforcement 44 and the fifth reinforcement 45 are fixedly connected between the lower flange 24 of the second steel beam 20 and the second side 32 of the connecting member 30 a. In this way, the second embodiment can improve the ability of the whole steel beam to resist bending moments and strengthen the structural strength through the arrangement of the reinforcing member 40 .

In other embodiments, the reinforcing member 40 may be only disposed between the first steel beam 10 and the connecting member 30a, or only disposed between the second steel beam 20 and the connecting member 30a, which also has the effect of strengthening the structure.

Please refer to FIG. 5 to FIG. 6, which is a third embodiment of a steel beam connection structure 100b of the present invention, which is different from the second embodiment in that the reinforcing member 40a of the steel beam connection structure 100b is a single, and is rectangle. The reinforcing member 40a is fixed between the lower flange 24 of the second steel beam 20 and the second side 32 of the connecting member 30a, and the reinforcing member 40a is arranged along the axial direction of the first steel beam 10 and the second steel beam 20 The third thickness T3, the reinforcement 40a has a height D2, which satisfies the following conditions: T3≥ .

In addition, as shown in FIG. 6 , the reinforcing member 40 a further includes a depth D3 , and the depth D3 is greater than the height D2 . In this way, the third embodiment can also improve the bending moment resistance of the whole steel beam through the reinforcing member 40a, and strengthen the structural strength.

Please refer to FIG. 7 , which is a fourth embodiment of a steel beam connection structure 100c according to the present invention, which is different from the third embodiment in that the reinforcing member 40b of the steel beam connection structure 100c is fixed on the first steel beam 10 Between the lower wing plate 14 and the first side 31 of the connecting member 30a, it also has the effect of the third embodiment.

Please refer to FIG. 8 , which is a fifth embodiment of a steel beam connection structure 100d of the present invention, which is different from the first embodiment in that there is an inclined plane between the first side 31 and the second side 32 of the connecting piece 30b 33, the slope of the slope 33 is 1/6, the fifth embodiment also has the effect of the first embodiment. Wherein, the second steel beam 20 is locked with a first fastening plate 34 different from the connecting piece 30b, so as to provide the function of connecting the second steel beam 20 with other steel beams.

Please refer to FIG. 9, which is a sixth embodiment of a steel beam connection structure 100e of the present invention. It is different from the fifth embodiment in that the second steel beam 20 is connected to the connecting piece 30b by a second fixing plate 35. Consolidate together. Wherein, the second fixing plate 35 has an angled portion 351 , and the angled portion 351 conforms to the slope 33 of the connecting piece 30 b, so that the second fixing plate 35 can consolidate the connecting piece 30 b and the second steel beam 20 .

By virtue of the foregoing, the present invention has the following advantages:

The connectors 30 and 30a of the present invention are pre-welded between the first steel beam 10 and the second steel beam 20 to realize the connection structure of steel beams of different sizes, and can achieve the advantage of saving steel consumption under the same strength capacity.

Above, although the present invention is described with a preferred embodiment, those skilled in the art can make various changes without departing from the spirit and scope of the present invention. The aforementioned embodiments are only used to illustrate the present invention, and are not intended to limit the scope of the present invention. All modifications or changes that do not violate the spirit of the present invention belong to the patent scope of the present invention.

100:Steel beam connection structure 10: The first steel beam 11: The first fixed terminal 12: web

13: Upper wing

14: Lower wing

15: top surface

16: bottom surface

H1: first height

20: Second steel beam

21: The second fixed terminal

22: web

23: Upper wing

24: Lower wing

25: top surface

26: bottom surface

27: bolt hole

H2: second height

T1: first thickness

30: connector

H3: third height

31: First side

32: second side

T2: second thickness

D1: vertical distance

40: Reinforcements

41: The first reinforcement

42: Second reinforcement

43: The third reinforcement

44: The fourth reinforcement

45: Fifth reinforcement

40a: reinforcement

T3: third thickness

30a: connector

33: Bevel

34: The first fixed plate

35: The second fixed plate

351: Folded corner

40b: reinforcement

D2: height

D3: Depth

100a: Steel beam connection structure

100b: Steel beam connection structure

100c: Steel beam connection structure

100d: Steel beam connection structure

100e: Steel beam connection structure

30b: connector

[ Fig. 1 ] is a structural schematic diagram of the first embodiment of the steel beam connection structure of the present invention. [ Fig. 2 ] is a structural schematic diagram of the second embodiment of the steel beam connection structure of the present invention. [ Fig. 3 ] is a schematic cross-sectional view taken along the section line 3-3 in Fig. 2 . [ Fig. 4 ] is a schematic cross-sectional view taken along the section line 4-4 in Fig. 2 . [ Fig. 5 ] is a structural schematic diagram of the third embodiment of the steel beam connection structure of the present invention. [ Fig. 6 ] is a schematic cross-sectional view taken along section line 6-6 in Fig. 5 . [ Fig. 7 ] is a structural schematic diagram of the fourth embodiment of the steel beam connection structure of the present invention. [ Fig. 8 ] is a structural schematic diagram of the fifth embodiment of the steel beam connection structure of the present invention. [ Fig. 9 ] is a structural schematic diagram of the sixth embodiment of the steel beam connection structure of the present invention.

100:Steel beam connection structure

10: The first steel beam

11: The first fixed terminal

12: web

13: Upper wing

14: Lower wing

15: top surface

16: bottom surface

H1: first height

20: Second steel beam

21: The second fixed terminal

22: web

23: Upper wing

24: Lower wing

25: top surface

26: bottom surface

27: bolt hole

H2: second height

T1: first thickness

30: connector

H3: third height

31: First side

32: second side

T2: second thickness

D1: vertical distance

Claims (11)

A steel beam connection structure, which includes: a first steel beam, which has a first fixed end, the first fixed end has a first size, the first steel beam has a first height H1; a first Two steel beams, which have a second fixed end, the second fixed end has a second size, the second size is smaller than the first size, the second steel beam has a second height H2, and the first Both a steel beam and the second steel beam are H-shaped steel; and a connecting piece is consolidated between the first fixed end and the second fixed end, the connecting piece has a third height H3, the The first height H1 is greater than the second height H2, and the third height H3 is equal to the first height H1. The steel beam connection structure according to claim 1, wherein the first steel beam and the second steel beam have the same first thickness T1, and the connecting piece is along the first steel beam and the second steel beam A second thickness T2 is provided in the axial direction, and the top surface of the first steel beam is flush with the top surface of the second steel beam, and the vertical distance from the bottom surface of the first steel beam to the bottom surface of the second steel beam is D1 , which satisfy the following conditions:

The steel beam connection structure as described in claim 1, further comprising a reinforcing member, which is arranged at the place where the first steel beam and the second steel beam bear the bending moment, and at least one side of the reinforcing member is fixed to the connecting member . The steel beam connection structure as claimed in item 3, wherein, the first steel beam and the second steel beam have the same first thickness T1, and the connecting piece is along the first steel beam and the second steel beam A second thickness T2 is set in the axial direction, and the first thickness T1 is equal to the second thickness T2. The steel beam connection structure as claimed in item 4, wherein, the reinforcing member is provided with a third thickness T3 along the axial direction of the first steel beam and the second steel beam, and the reinforcing member has a height D2, which satisfies The following conditions:

The steel beam connection structure as claimed in item 5, wherein the reinforcing member is a rectangular body, and the reinforcing member further includes a depth D3, and the depth D3 is greater than the height D2. The steel beam connection structure as described in claim 3, wherein, the connector has a first side and a second side oppositely arranged, the first side is fixed to the first fixed end, and the second side is fixed Connected to the second fixed end, the number of reinforcements is five, of which two reinforcements are fixed between the first steel beam and the first side, and the other three reinforcements are fixed between the first steel beam and the first side. The second steel beam is between the second side. The steel beam connection structure according to claim 1, wherein the second steel beam is provided with a plurality of bolt holes away from the second fixed end. The steel beam connection structure as described in claim 8, wherein the connecting piece has a first side and a second side oppositely arranged, the first side is fixed to the first fixed end, and the second side is fixed Connected to the second fixed end, there is an inclined surface between the first side and the second side. The steel beam connection structure according to claim 9, wherein the slope of the slope is 1/6. The steel beam connection structure as described in claim 10, wherein a first fastening plate and a second fastening plate are respectively locked at both ends of the second steel beam, and the second fastening plate is fixed to the connector. Together, the second fixing plate has a corner portion conforming to the slope.

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