JPH11200510A - Joining part structure of members and its formation - Google Patents
Joining part structure of members and its formationInfo
- Publication number
- JPH11200510A JPH11200510A JP1213098A JP1213098A JPH11200510A JP H11200510 A JPH11200510 A JP H11200510A JP 1213098 A JP1213098 A JP 1213098A JP 1213098 A JP1213098 A JP 1213098A JP H11200510 A JPH11200510 A JP H11200510A
- Authority
- JP
- Japan
- Prior art keywords
- groove
- joint
- column
- stress concentration
- web
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000015572 biosynthetic process Effects 0.000 title description 4
- 238000000034 method Methods 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 abstract description 8
- 239000010959 steel Substances 0.000 abstract description 8
- 239000000463 material Substances 0.000 abstract description 5
- 230000001771 impaired effect Effects 0.000 abstract description 4
- 230000006835 compression Effects 0.000 abstract 2
- 238000007906 compression Methods 0.000 abstract 2
- 235000013372 meat Nutrition 0.000 description 6
- 238000003466 welding Methods 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000037303 wrinkles Effects 0.000 description 1
Landscapes
- Joining Of Building Structures In Genera (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、例えば建築構造に
おいて柱の側面部に梁の端部を接合する場合などに用い
られる部材同士の接合部構造に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a joint structure between members used for joining an end of a beam to a side surface of a pillar in a building structure, for example.
【０００２】[0002]
【従来の技術】例えば建築物において、図５（イ）に示
すように、角形鋼管材からなる柱５２の側面部に、Ｈ型
鋼からなる梁５１の端部を溶接により接合する接合部構
造が採用されることがある。例えばこの接合構造におい
て、梁５１の上下フランジ５１ｂ，５１ｂには、曲げ応
力等による引張力が作用するため、それに耐える強度が
もたされているが、梁５１の上下フランジ５１ｂ，５１
ｂの接合端部では、柱５２の面外変形や梁５１の上下フ
ランジ５１ｂ，５１ｂの幅方向における収縮の拘束のた
めに、応力が集中してしまい、そのため、梁５１の上下
フランジ５１ｂ，５１ｂの接合端部には設計応力を越え
る力がかかることがあり、この部分は、他の部分よりも
溶接破断等の破壊を起こす危険性が高くなる。また、こ
の応力集中は、梁５１のウェブ５１ａについても生じる
おそれがある。そこで、柱５２と梁５１の接合部の設計
を、上下フランジ５１ｂ，５１ｂの接合端部の応力集中
を考慮して行うことも考えられるが、それでは、不経済
である。2. Description of the Related Art For example, in a building, as shown in FIG. 5 (a), a joint structure in which an end of a beam 51 made of H-shaped steel is joined to a side surface of a column 52 made of a square steel pipe by welding. May be adopted. For example, in this joint structure, the upper and lower flanges 51b, 51b of the beam 51 have strength enough to withstand a tensile force due to bending stress or the like acting on the upper and lower flanges 51b, 51b.
At the joint end b, stress concentrates due to out-of-plane deformation of the column 52 and restraint of contraction in the width direction of the upper and lower flanges 51b, 51b of the beam 51. Therefore, the upper and lower flanges 51b, 51b of the beam 51 are concentrated. In some cases, a force exceeding the design stress may be applied to the joint end of the steel sheet, and this part has a higher risk of causing breakage such as welding breakage than other parts. This stress concentration may also occur in the web 51a of the beam 51. Therefore, it is conceivable to design the joint between the column 52 and the beam 51 in consideration of the stress concentration at the joint ends of the upper and lower flanges 51b, 51b, but this is uneconomical.
【０００３】この問題を解決するため、図５（ロ）に示
すように、梁５１の接合端部に、引張力、圧縮力の作用
する方向に延びるスリット５３…を形成し、このスリッ
ト５３…によって、梁５１の上下フランジ５１ｂ，５１
ｂの接合端部における応力集中を緩和するようにしたも
のが提案されている（特開平９−９６０１６号公報）。In order to solve this problem, as shown in FIG. 5 (b), slits 53 extending in a direction in which a tensile force and a compressive force act are formed at a joint end of a beam 51, and the slits 53 are formed. The upper and lower flanges 51b, 51 of the beam 51
Japanese Patent Application Laid-Open No. 9-96016 proposes a structure in which the stress concentration at the joint end of b is relieved.
【０００４】[0004]
【発明が解決しようとする課題】しかしながら、このス
リット５３…による応力集中低減法は、確かに引張力に
対しては効果が認められるものの、その一方で、圧縮力
に対しての配慮が必ずしも充分なものであるとは言えな
いものであった。即ち、スリット法では、梁５１の接合
端部における断面がスリット５３…によって分断されて
いるために、圧縮力が作用した場合は、分断されたそれ
ぞれの部分が独立して圧縮力を受けることになり、スリ
ット５３…を挟む各側や、スリット５３…間の小部分に
圧縮力による局部変形を生じ、圧縮力に対しての剛性、
耐力が全体として低いものになるおそれがある。However, although the stress concentration reducing method using the slits 53 is certainly effective for tensile force, on the other hand, consideration for compressive force is not always sufficient. It was not something that was unusual. That is, in the slit method, since the cross section at the joint end of the beam 51 is divided by the slits 53, when a compressive force is applied, each of the divided portions receives a compressive force independently. And local deformation due to compressive force occurs on each side sandwiching the slits 53 and on a small portion between the slits 53.
The proof stress may be low as a whole.
【０００５】本発明は、上記のような従来の問題点を解
決し、部材の接合端部における応力集中を緩和でき、し
かも、圧縮力に対しても接合部の剛性、耐力がほとんど
損なわれることがない部材同士の接合部構造を提供する
ことを課題とする。SUMMARY OF THE INVENTION The present invention solves the above-mentioned conventional problems, can reduce the stress concentration at the joint end of the member, and almost impairs the rigidity and proof stress of the joint with respect to the compressive force. An object of the present invention is to provide a joint structure between members having no gap.
【０００６】[0006]
【課題を解決するための手段】上記課題は、第１部材の
端部が第２部材に接合された部材同士の接合部構造にお
いて、前記第１部材の接合端部に、応力集中緩和用の切
欠きが引張力、圧縮力の作用する方向に延びて形成さ
れ、該切欠きは溝からなっていて、溝を挟む両側が溝の
底下の肉を介して連接されていることを特徴とする部材
同士の接合構造によって解決される。SUMMARY OF THE INVENTION The object of the present invention is to provide a joint structure between members in which an end of a first member is joined to a second member. The notch is formed so as to extend in a direction in which a tensile force and a compressive force act, and the notch is formed of a groove, and both sides sandwiching the groove are connected to each other through a meat under the bottom of the groove. The problem is solved by a joint structure between members.
【０００７】即ち、第１部材に引張力が作用した場合の
接合端部における応力集中は、引張力、圧縮力の作用す
る方向に延びて形成された溝による切欠きの作用で緩和
される。しかも、このように切欠きは溝によるものであ
り、溝を挟む両側は溝の底下の肉を介して連接されてい
るため、部材の接合端部における断面は分断されること
がなく、溝を挟む両側はそれらを連接する溝下の肉を介
して互いに補強しあい、圧縮力に対しても接合部の剛
性、耐力が損なわれることはほとんどない。That is, the stress concentration at the joint end when a tensile force acts on the first member is mitigated by the action of the notch formed by the groove formed extending in the direction in which the tensile force and the compressive force act. Moreover, since the notch is formed by the groove, and the two sides sandwiching the groove are connected through the meat below the bottom of the groove, the cross section at the joint end of the member is not divided, and the groove is formed. The sandwiching sides reinforce each other via the meat under the groove connecting them, and the rigidity and proof strength of the joint are hardly impaired even with respect to the compressive force.
【０００８】また、上記の溝の形成を、第１部材の端部
を第２部材に接合した後に行うものとすることにより、
既設の接合部に対する耐力上の改善策としても有効利用
することが可能となる。[0008] Further, by forming the above-mentioned groove after joining the end of the first member to the second member,
It can be effectively used as a measure for improving the strength of existing joints.
【０００９】[0009]
【発明の実施の形態】次に、本発明の実施形態を図面に
基づいて説明する。Next, embodiments of the present invention will be described with reference to the drawings.
【００１０】図１ないし図３に示す接合部構造は、建築
構造における梁１と柱２との接合部構造に適用した場合
のものである。柱２は断面方形の角形鋼管材によるもの
であり、梁１はＨ型鋼によるものである。梁１は、その
端部のウェブ１ａ及び上下の両フランジ１ｂ，１ｂを柱
２の側面部に溶接して、柱２に接合されている。そし
て、梁１の接合端部において、そのウェブ１ａ及び上下
フランジ１ｂ，１ｂには、梁１の材軸方向に延びる溝３
…が、応力集中緩和用の切欠きとして、表裏対応・対称
状態に形成されている。The joint structure shown in FIGS. 1 to 3 is applied to a joint structure between a beam 1 and a column 2 in a building structure. The column 2 is made of a rectangular steel tube having a rectangular cross section, and the beam 1 is made of an H-shaped steel. The beam 1 is joined to the column 2 by welding the web 1a at the end and the upper and lower flanges 1b, 1b to the side surface of the column 2. At the joint end of the beam 1, the web 1 a and the upper and lower flanges 1 b, 1 b have grooves 3 extending in the material axis direction of the beam 1.
Are formed as notches for relieving stress concentration in a front-back correspondence / symmetric state.
【００１１】上記の接合部構造では、図２（イ）に示す
ように、梁１の上下フランジ１ｂ，１ｂに曲げによる引
張力Ｐ1 が作用した場合、梁１の接合端部において生じ
る応力集中は、梁１の材軸方向に延びる溝３…の切欠き
の作用で緩和される。その場合の応力分布を同図に示
す。点線ａは梁１に溝３…が設けられていない場合の応
力分布であり、実線ｂは梁１に溝３…が設けられている
場合の応力分布線であり、溝３…の形成によって梁１の
接合端部における応力集中が緩和されることを示してい
る。同様のことが、図２（ロ）に示すように、ウェブ１
ａについても言える。[0011] In the junction structure described above, as shown in FIG. 2 (b), the upper and lower flanges 1b of the beam 1, when a force P 1 Tensile according bent 1b is applied, the stress concentration occurring at the joint end portion of the beam 1 Are alleviated by the notches of the grooves 3 extending in the axial direction of the beam 1. The stress distribution in that case is shown in FIG. A dotted line a is a stress distribution when the groove 3 is not provided in the beam 1, a solid line b is a stress distribution line when the groove 3 is provided in the beam 1, and the beam is formed by the formation of the groove 3. This indicates that stress concentration at the joint end of No. 1 is alleviated. The same is true for the web 1 as shown in FIG.
The same can be said for a.
【００１２】しかも、図２（イ）に示すように，梁１の
上下フランジ１ｂ，１ｂに圧縮力Ｐ2 が作用した場合
は、図３（イ）〜（ハ）に示すように，溝３…を挟む両
側４…は溝３…の底下の肉５…を介して連接されている
ため、梁１の接合端部における断面は分断されることが
なく、溝３…を挟む両側４…は、それらを連接する溝３
…の下の肉５…を介して互いに補強しあい、圧縮力Ｐ2
に対しても、接合部の剛性、耐力が損なわれることはほ
とんどない。[0012] Moreover, as shown in FIG. 2 (b), when the upper and lower flanges 1b of the beam 1, the compressive force P 2 and 1b acts, as shown in FIG. 3 (a) to (c), the groove 3 Are connected via the meat 5 below the bottom of the groove 3, so that the cross section at the joint end of the beam 1 is not divided, and the sides 4 that sandwich the groove 3 are , Groove 3 connecting them
Are mutually reinforced through the meat 5 under the compressive force P 2
However, the rigidity and proof stress of the joint are hardly impaired.
【００１３】加えて、従来の、スリットによる応力緩和
法では、スリットの形成を梁１と柱２との接合前に行っ
ておかなければ、接合後ではスリット形成のための加工
が技術的に困難であり、接合の形成に段取り上の制限が
あるが、本発明の、溝３…による応力集中緩和法では、
溝３…の形成は、梁１と柱２とを接合する前でも、接合
した後でも、いずれの段階においても可能であり、接合
部形成のための段取りの自由度が高く、有利であるとい
うメリットもある。しかも、このように溝３…の形成は
接合後でも行うことができるものであるため、既設の梁
と柱との接合部の梁の接合端部に溝を形成することも、
上フランジ１ｂの上面がわを除いて可能であり、既設の
接合部に対する耐力上の改善策として有効的に用いるこ
ともできる。In addition, in the conventional stress relaxation method using a slit, if the slit is not formed before joining the beam 1 and the column 2, it is technically difficult to form the slit after the joining. Although there is a limitation in the setup in forming the joint, the stress concentration relaxation method using the grooves 3 of the present invention
The grooves 3 can be formed at any stage before or after the beam 1 and the column 2 are joined, and the degree of freedom for setting up the joint portion is high, which is advantageous. There are also benefits. Moreover, since the formation of the grooves 3 can be performed even after the joining, the grooves can be formed at the joining ends of the beams at the joining portions between the existing beams and the columns.
The upper surface of the upper flange 1b can be removed except for the wrinkles, and can be effectively used as a measure for improving the strength of the existing joint.
【００１４】図４に示す実施形態は、柱２がＨ型鋼によ
るもので、梁１の端部を、この柱２の一方のフランジ２
ｂの外面部に溶接により接合したものである。溝３…を
形成する点などは、上記実施形態と同様である。本実施
形態では、梁１に引張力が作用した場合の梁１の接合端
部における応力分布が、上記の実施形態の場合とは異な
るが、溝３…の形成により同様に、応力集中を緩和で
き、しかも圧縮力に対する剛性、耐力を確保し得るもの
である。In the embodiment shown in FIG. 4, the column 2 is made of H-section steel, and the end of the beam 1 is connected to one of the flanges 2 of the column 2.
b is joined to the outer surface by welding. The point of forming the grooves 3 is the same as in the above embodiment. In the present embodiment, the stress distribution at the joint end of the beam 1 when a tensile force acts on the beam 1 is different from that in the above embodiment, but the stress concentration is similarly reduced by forming the grooves 3. It is possible to secure rigidity and proof stress against compressive force.
【００１５】以上に実施形態を示したが、本発明はこれ
に限定されるものではなく、発明思想を逸脱しない範囲
で各種の変更が可能である。例えば、上記実施形態で
は、溝３…が、ウェブ１ａやフランジ１ｂ，１ｂの表裏
に対応・対称状態に形成されているが、表裏で位置を異
にして、非対称状態に設けられたものなどであってもよ
いし、いずれか一方の面にのみ、溝を形成したものであ
ってもよい。また、上記実施形態では、特定断面形状の
柱２と梁１との接合部構造を示しているが、本発明は、
それ以外の各種断面形状の柱２と梁１との接合部構造と
して用いられてよい。また、溝３の本数、形成位置、溝
の深さなどについても、梁１の接合端部に作用する引張
力や圧縮力のかかり方、柱及び梁の断面サイズなどを考
慮して自由に決められてよい。また、梁１や柱２の材質
についても特段の制限はなく、鉄以外のアルミニウム等
のその他の金属などであってもよいし、溶接以外の他の
接合方法によって接合されたものであってもよい。ま
た、本発明の適用対象は、梁１と柱２の接合部構造に限
られるものではなく、各種産業技術分野において部材同
士を接合する場合に広く適用され得るものであることは
言うまでもない。Although the embodiment has been described above, the present invention is not limited to this, and various modifications can be made without departing from the spirit of the invention. For example, in the above embodiment, the grooves 3 are formed in the front and back sides of the web 1a and the flanges 1b, 1b in a symmetrical state, but may be provided in different positions on the front and back sides in an asymmetric state. The groove may be formed on only one of the surfaces. Further, in the above embodiment, the joint structure between the column 2 and the beam 1 having a specific cross-sectional shape is shown.
It may be used as a joint structure between the column 2 and the beam 1 having other various cross-sectional shapes. Also, the number, formation position, depth of the grooves 3 and the like of the grooves 3 are freely determined in consideration of how to apply a tensile force or a compressive force acting on the joint end of the beam 1, the cross-sectional size of the column and the beam, and the like. May be. The material of the beam 1 and the column 2 is not particularly limited, and may be other metals such as aluminum other than iron, or may be joined by another joining method other than welding. Good. In addition, the application of the present invention is not limited to the joint structure between the beam 1 and the column 2, but it is needless to say that the present invention can be widely applied to joining members in various industrial technology fields.
【００１６】[0016]
【発明の効果】以上の次第で、本発明の部材同士の接合
部構造は、部材の接合端部に、応力集中緩和用の切欠き
が引張力、圧縮力の作用する方向に延びて形成され、該
切欠きは溝からなっていて、溝を挟む両側が溝の底下の
肉を介して連接されているものであるから、引張力によ
る部材の接合端部における応力集中を緩和でき、しか
も、圧縮力に対しても接合部の剛性、耐力を損なうこと
がほとんどない。As described above, according to the joint structure of members of the present invention, a notch for alleviating stress concentration is formed at the joint end of the member so as to extend in the direction in which tensile force and compressive force act. The notch is formed of a groove, and since both sides sandwiching the groove are connected to each other through the meat below the bottom of the groove, stress concentration at the joint end of the member due to tensile force can be reduced, and The rigidity and proof stress of the joint are hardly impaired even with a compressive force.
【００１７】また、上記の溝の形成を、第１部材の端部
を第２部材に接合した後に行うものとすることにより、
本発明を、既設の接合部に対する耐力上の改善策として
有効的に活用していくことができる。Further, by forming the above-mentioned groove after joining the end of the first member to the second member,
The present invention can be effectively utilized as a measure for improving the strength of an existing joint.
【図１】第１実施形態にかかるもので、梁と柱を分離状
態にして示す一部断面斜視図である。FIG. 1 is a partially sectional perspective view showing a beam and a column in a separated state according to a first embodiment.
【図２】図（イ）は梁と柱の接合部の断面平面図、図
（ロ）は同立面図である。FIG. 2A is a cross-sectional plan view of a joint between a beam and a column, and FIG. 2B is an elevation view thereof.
【図３】図（イ）は図２（ロ）のＩ−Ｉ線断面図、図
（ロ）は図（イ）のＡ部拡大断面図である。図（ハ）は
図（イ）のＢ部拡大断面図である。3A is a cross-sectional view taken along the line II of FIG. 2B, and FIG. 3B is an enlarged cross-sectional view of a portion A of FIG. FIG. 3C is an enlarged sectional view of a portion B in FIG.
【図４】第２実施形態を示すもので、梁と柱を分離状態
にして示す一部断面斜視図である。FIG. 4 shows the second embodiment, and is a partial cross-sectional perspective view showing a beam and a column in a separated state.
【図５】図（イ）は従来の接合部構造を示す一部断面斜
視図、図（ロ）は従来の他の接合部構造を示す一部断面
斜視図である。FIG. 5A is a partial cross-sectional perspective view showing a conventional joint structure, and FIG. 5B is a partial cross-sectional perspective view showing another conventional joint structure.
１…梁（第１部材） ２…柱（第２部材） ３…溝（切欠き） DESCRIPTION OF SYMBOLS 1 ... Beam (1st member) 2 ... Column (2nd member) 3 ... Groove (notch)
Claims (2)
部材同士の接合部構造において、 前記第１部材の接合端部に、応力集中緩和用の切欠きが
引張力、圧縮力の作用する方向に延びて形成され、該切
欠きは溝からなっていて、溝を挟む両側が溝の底下の肉
を介して連接されていることを特徴とする部材同士の接
合構造。In a joint structure of members in which an end of a first member is joined to a second member, a notch for relieving stress concentration is formed at a joint end of the first member by tensile force and compressive force. And a notch formed of a groove, and both sides sandwiching the groove are connected to each other through a wall below the bottom of the groove.
であって、溝の形成を、第１部材の端部を第２部材に接
合した後に行う形成方法。2. The method according to claim 1, wherein the groove is formed after the end of the first member is bonded to the second member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP01213098A JP3881440B2 (en) | 1998-01-06 | 1998-01-06 | Joint structure between members and method of forming the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP01213098A JP3881440B2 (en) | 1998-01-06 | 1998-01-06 | Joint structure between members and method of forming the same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH11200510A true JPH11200510A (en) | 1999-07-27 |
| JP3881440B2 JP3881440B2 (en) | 2007-02-14 |
Family
ID=11796963
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP01213098A Expired - Fee Related JP3881440B2 (en) | 1998-01-06 | 1998-01-06 | Joint structure between members and method of forming the same |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3881440B2 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPWO2016017155A1 (en) * | 2014-07-30 | 2017-05-25 | パナソニックＩｐマネジメント株式会社 | Manufacturing method of three-dimensional shaped object and three-dimensional shaped object |
| JP2020169526A (en) * | 2019-04-05 | 2020-10-15 | 日本製鉄株式会社 | Joint structure and H-shaped cross-section member |
| CN114197636A (en) * | 2021-11-18 | 2022-03-18 | 安徽省建筑科学研究设计院 | A bolted connection structure that reduces the number of shear bolts |
-
1998
- 1998-01-06 JP JP01213098A patent/JP3881440B2/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPWO2016017155A1 (en) * | 2014-07-30 | 2017-05-25 | パナソニックＩｐマネジメント株式会社 | Manufacturing method of three-dimensional shaped object and three-dimensional shaped object |
| US10413970B2 (en) | 2014-07-30 | 2019-09-17 | Panasonic Intellectual Property Management Co., Ltd. | Method for manufacturing three-dimensional shaped object and three-dimensional shaped object |
| JP2020169526A (en) * | 2019-04-05 | 2020-10-15 | 日本製鉄株式会社 | Joint structure and H-shaped cross-section member |
| CN114197636A (en) * | 2021-11-18 | 2022-03-18 | 安徽省建筑科学研究设计院 | A bolted connection structure that reduces the number of shear bolts |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3881440B2 (en) | 2007-02-14 |
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