JP3902033B2 - Fitting - Google Patents

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JP3902033B2
JP3902033B2 JP2002069080A JP2002069080A JP3902033B2 JP 3902033 B2 JP3902033 B2 JP 3902033B2 JP 2002069080 A JP2002069080 A JP 2002069080A JP 2002069080 A JP2002069080 A JP 2002069080A JP 3902033 B2 JP3902033 B2 JP 3902033B2
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joint
segment
joining
male
fitted
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JP2003269092A (en
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清 宮
宗孝 大関
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石川島建材工業株式会社
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Description

【0001】
【発明の属する技術分野】
本発明は、継手に関し、詳しくは、隣接する二つの部材同士、例えば地下鉄のトンネル等の掘削した部分の内面に設けられる複数のセグメントの隣接するもの同士を一体に接合するのに有効な継手に関するものである。
【0002】
【従来の技術】
一般に、シールド工法等により地下鉄のトンネル等を構築する場合には、掘削した部分の内面にスチール型セグメント、中詰コンクリート型セグメント、コンクリート型セグメント等のセグメントを設け、掘削した部分を被覆し、支持している。
【0003】
この種のセグメントの一例が図10に示されている。このセグメント41は、中詰コンクリート型セグメントであって、円弧板状のコンクリート製のセグメント本体42と、セグメント本体42の長手方向の両端面に一体に設けられる長方形板状の金属製の長手方向接合板43、43と、セグメント本体42の幅方向の両端面に一体に設けられる円弧板状の金属製の幅方向接合板44、44とからなるものであって、各長手向接合板43及び各幅方向接合板44にはそれぞれネジ挿通用の孔43a、44aが貫通した状態で設けられ、各ネジ挿通用の孔43a、44aに対応するセグメント本体43の部分にはそれぞれ所定の大きさ、深さのネジ締付け用の穴45が設けられている。
【0004】
そして、上記のような構成のセグメント41を、トンネル等の掘削した部分の内面に周方向に連続して設け、周方向に隣接するセグメント41の各ネジ締付け用の穴45を利用し、長手方向接合板43のネジ挿通用の孔43a、43a間に継手のボルト(図示せず)を挿通させ、ボルトのネジ部に継手のナット(図示せず)を螺合させて締め付け、周方向に隣接するセグメント41、41同士を一体に接合し、同一周上にリング状のセグメントリング体を構成する。
【0005】
そして、このようなセグメントリング体を掘削方向に連続して設け、掘削方向に隣接するセグメントリング体のセグメント41、41同士を同様の方法によって一体に接合し、掘削した部分の内面の全体を複数のセグメント41、41……で被覆する。このようにして、掘削した部分の内面を複数のセグメント41、41……で支持することができるものである。
【0006】
【発明が解決しようとする課題】
しかしながら、上記のような構成のセグメント41にあっては、コンクリート製のセグメント本体42の複数箇所にネジ締付け用の穴45が設けられているので、セグメント本体42の強度が低下してしまう。このため、掘削した部分の内面に複数のセグメント41、41……を設けた後に、各セグメント41のネジ締付け用の穴45を充填材によって閉塞し、各セグメント本体42の強度を確保しなければならず、その作業に手間がかかり、工期の長期化の原因となる。
【0007】
また、周方向に隣接するセグメント41、41の長手方向接合板43、43のネジ挿通用の孔43a、43aを相互に一致させる場合のセグメント41、41の位置決めに非常に手間がかかる。
【0008】
さらに、ネジ挿通用の孔43a、43間に挿通させたボルトにナットを締め付ける場合に、その作業を狭い空間であるネジ締付け用の孔45を利用して行わなければならないため、作業効率が悪く、工期の長期化の原因となる。
【0009】
本発明は、上記のような問題に鑑みなされたものであって、隣接する二つの部材、例えばトンネル等の掘削した部分の内面に設けられる複数のセグメントの隣接するもの同士の接合に用いた場合に、隣接するセグメント同士を一体に接合した後の強度確保のための作業が一切不要であり、また、隣接するセグメントの位置決めが容易であり、さらに、隣接するセグメント同士の接合が容易であって、作業効率が良く、工期を大幅に短縮することができる継手を提供することを目的とするものである。
【0010】
【課題を解決するための手段】
上記のような課題を解決するために、本発明は、以下のような手段を採用している。
すなわち、請求項1に係る発明は、隣接する二つの部材を一体に接合する継手であって、前記一方の部材に設けられる雄型継手と、前記他方の部材に設けられていて前記雄型継手と相互に嵌合する雌型継手とを備え、前記雌型継手は対向する二つの面がテーパ面で形成される開口部を有する被嵌合部材を有し、前記二つのテーパ面は接合方向に直交する方向である開口部の連続する方向に向かうに従って相対的に順次近づくと共に、接合方向の前面から後面に向かうに従って相対的に順次離れるように傾斜して形成され、前記雄型継手は前記一方の部材の外側に突出する板が上方と下方に湾曲して略管状に膨出する膨出部が形成された嵌合部材を有し、前記雄型継手と雌型継手の嵌合の際に、前記開口部内に膨出部が挿入されて接合方向に直交する方向に押し込むことで前記膨出部が開口部のテーパ面で絞られて前記雄型部材が雌型継手の方向に引き寄せられて接合することを特徴とする。
この発明による継手によれば、一方の部材の雄型継手と他方の部材の雌型継手との嵌合の際、雌型継手の被嵌合部材の開口部の対向する二つのテーパ面間で雄型継手の嵌合部材の膨出部が絞られて反発し、これにより雄型継手の嵌合部材が雌型継手の方向に引き寄せられ、隣接する二つの部材が一体に接合されることになる。
【0012】
【発明の実施の形態】
以下、図面に示す本発明の実施の形態について説明する。
図1〜図8には、本発明による継手の一実施の形態が示されていて、この継手1は、隣接する二つの部材を一体に接合するものであって、雄型継手2と、この雄型継手2と嵌合可能な雌型継手10とを備えている。
【0013】
雄型継手2は、図2、図6、図7及び図8に示すように、上板4と下板6とを一体に接合して形成した長方形板状をなす嵌合部材3を有し、この嵌合部材3の長手方向の中央部には全幅に渡って膨出部8が一体に設けられるようになっている。
【0014】
膨出部8は、上板4の長手方向の中央部を湾曲させてその部分に上方に膨出する膨出面5を形成し、下板6の長手方向の中央部を湾曲させてその部分に下方に膨出する膨出面7を形成し、これらの膨出面5、7により略管状に形成したものである。
【0015】
嵌合部材3の素材としては、金属、各種の合成樹脂等を挙げることができる。ただし、これに限定することなく、他の素材を使用しても良い。この実施の形態においては、嵌合部材3を上板4と下板6の2枚の板を一体に接合して構成しているが、一枚の板を用いて機械加工等により上記のような形状に形成しても良い。
【0016】
雌型継手10は、図3、図4及び図5に示すように、上板12と下板13と前板14と後板18と側板19とを組み合わせて、一側面が開口する箱型状に形成した被嵌合部材11を有し、この被嵌合部材11の前板14の中央部には前板14の全長に渡って開口部15が設けられるようになっている。
【0017】
前板14の開口部15の上下方向に対向する二つの面16、17は、被嵌合部材11の一側から他側に行くに従って相対的に順次近づき、前板14の前面から後面に行くに従って相対的に順次離れるテーパ面16、17に形成されている。
【0018】
この場合、開口部15のテーパ面16、17間の間隔は、図2に示すように、最大部である被嵌合部材11の一側面側が雄型継手2の嵌合部材3の膨出部8の根元部の寸法よりも大きく形成され、その部分から他側面に行くに従って順次小さくなるように形成されている。また、被嵌合部材11の前板14と後板18との間の寸法は、嵌合部材3のほぼ全体を挿入し得る寸法に形成されている。
【0019】
被嵌合部材11の素材としては、金属、各種の合成樹脂等を挙げることができる。ただし、これに限定することなく、他の素材を使用しても良い。この実施の形態においては、被嵌合部材11を上板12、下板13、前板14、後板18、及び側板19を組み合わせて構成しているが、一枚の板を用いて機械加工等により上記のような形状に形成しても良い。
【0020】
そして、上記のような構成の雄型継手2と雌型継手10とからなる継手1は、トンネル等の掘削した部分の内面に設けられる複数のセグメントの隣接するもの同士を一体に接合するのに適用することができ、特に、周方向に隣接するセグメント20、20同士の接合に有効に適用することができる。
【0021】
すなわち、図1に示すように、セグメント20の長手方向の一方の接合部21に雄型継手2を設け、他方の接合部22に雌型継手10を設ける。具体的には、セグメント20の長手方向の一方の端面に設けられている接合板23に溶接等により嵌合部材3を一体に接合し、その部分に雄型継手2を構成する。さらに、セグメント29の長手方向の他方の端面に設けられている接合板23の裏面側に雌型継手10の被嵌合部材11を溶接等により一体に連結する。この場合、被嵌合部材11の前板14の開口部15を接合板32の面上に開口させ、被嵌合部材11の一側面側をセグメント20の軸方向の一方の端面(手前側の端面)に開口させる。そして、コンクリートを打設して長手方向の一方の接合部21に雄型継手2を固着し、他方の接合部22に雌型継手10を固着する。
【0022】
そして、上記のように構成したセグメント20をトンネル等の掘削した部分の内面に位置させ、周方向に隣接する二つのセグメント20、20の長手方向の端面同士を相対的に接近させる。
【0023】
そして、一方のセグメント20の雄型継手2の嵌合部材3を、他方のセグメント20の接合部22の軸方向の一方の端面側から挿入し、嵌合部材3の膨出部8の根元部を、図2に示すように雌型継手10の被嵌合部材12の開口部15の対向するテーパ面16、17間に挿入すると、膨出部8の膨出面5、7が開口部15のテーパ面16、17間で押圧され、膨出部8に押し潰す方向への力が加わるとともに、その力に対する反発力が膨出部8に生じ、この反発力により膨出部8が被嵌合部材11の内部空間内に引き寄せられる。そして、嵌合部材11が被嵌合部材11の開口部15の奥側の端面に接触するまで押し込むことにより、膨出部8が被嵌合部材11の内部空間内に強く引き寄せられ、一方のセグメント20の接合面と他方のセグメント20の接合面とが互いに強く接合されることになる。
【0024】
そして、トンネル等の掘削した部分の内面の同一周上に複数のセグメント20、20…を順次に接合することで、その部分にリング状のセグメントリング体(図示せず)が構成される。そして、このようなセグメントリング体を掘削方向に連続して構成し、掘削方向に隣接するセグメントリング体同士を一体に接合することで、掘削した部分の内面の全体を複数のセグメント20、20…で被覆し、支持することができるものである。
【0025】
上記のように構成したこの実施の形態による継手1にあっては、周方向に隣接する二つのセグメント20、20同士を一体に接合する場合に、一方のセグメント20の雄型継手2の嵌合部材3の膨出部8を他方のセグメント20の雌型継手10の被嵌合部材11の開口部15の対向するテーパ面16、17間に挿入し、嵌合部材3を開口部15の奥側の端面に当接するまで押し込むだけで、両セグメント20、20同士を一体に接合することができるので、セグメント20の位置決めに手間がかかるようなことがなく、またボルトとナットとを締め付ける作業も不要であるので、セグメント20、20同士の接合が容易となり、作業効率を高めることができ、工期を短縮することができることになる。さらに、セグメント20の強度を確保するために、セグメント20、20同士を接合した後に充填材を充填する必要がないので、これによっても工期を短縮することができることになる。
【0026】
図9(a)、(b)は、雄型継手2の別の例を示す図である。
同図(a)に示す雄型継手2は、ゴム等の弾性部材100を中に介在させて板体101を折曲し、この板体101の両端部を重ねて一方向に突出するように形成したものである。
また、同図(b)に示す雄型継手2は、上記図9(a)に示す構成において、弾性部材100に代えて、中心部に孔を有するゴム等の弾性部材100を用いたものである。
これらの雄型継手8を用いた場合には、弾性部材100の弾性力によって雌型継手との間の係合をより強固に行うことができる。
【0027】
なお、この発明による継手は、上述したようにトンネルの周方向に隣接するセグメント間の接合用として(セグメント間継手として)用いるだけでなく、トンネルの軸方向に隣接するセグメント間の接合用として(リング間継手として)用いてもよい。
また、この発明を適用するセグメントは、スチール型セグメント、中詰コンクリート型セグメント、コンクリート型セグメント等各種のセグメントであってよい。
【0028】
【発明の効果】
以上、説明したように、本発明による継手によれば、隣接する二つの部材を一体に接合する継手であって、隣接する一方の部材の雄型継手と他方の部材の雌型継手とを相互に嵌合させたときに、雌型継手の被嵌合部材の開口部の対向する二つのテーパ面で雄型継手の嵌合部材の膨出部が絞られて雌型継手の方向に引き寄せられることにより、隣接する二つの部材同士が一体に接合されることになる。
従って、隣接する二つの部材同士の接合が容易となるので、工期を大幅に短縮させることができることになる。また、隣接する二つの部材を一体に接合した後に、部材の強度を確保するために充填材を充填するような煩雑な作業が一切不要となるので、これによっても工期を大幅に短縮させることができることになる。
さらに、雌型継手の被嵌合部材と雄型継手の嵌合部材とを嵌合させるだけで足りるので、隣接する一方の部材に設けられる雄型部材と、他方の部材に設けられる雌型継手とを嵌合させる際の両者の位置決めが容易となり、隣接する二つの部材の接合が容易となり、これによっても工期を短縮させることができることになる。
【図面の簡単な説明】
【図1】 本発明による継手の一実施の形態の適用例を示した説明図であって、接合前の状態を示した説明図である。
【図2】 本発明による継手の一実施の形態の適用例を示した説明図であって、接合後の状態を示した部分拡大説明図である。
【図3】 雌型継手の正面図である。
【図4】 図3の左側面図である。
【図5】 図3のA−A線断面図である。
【図6】 雄型継手の平面図である。
【図7】 図6の正面図である。
【図8】 図6の右側面図である。
【図9】 (a)、(b)ともに雄型継手の別の例を示す正面図である。
【図10】 従来の継手の一例を示した説明図である。
【符号の説明】
1 継手
2 雄型継手
3 嵌合部材
5、7 膨出面
8 膨出部
10 雌型継手
11 被嵌合部材
15 開口部
16、17 テーパ面
[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a joint, and more particularly, to a joint effective for integrally joining two adjacent members, for example, adjacent ones of a plurality of segments provided on an inner surface of a drilled part such as a subway tunnel. Is.
[0002]
[Prior art]
In general, when constructing a subway tunnel or the like by a shield method, etc., a segment such as a steel-type segment, a filled concrete-type segment, or a concrete-type segment is provided on the inner surface of the excavated portion, and the excavated portion is covered and supported. is doing.
[0003]
An example of this type of segment is shown in FIG. The segment 41 is an inside concrete type segment, and is composed of a segment main body 42 made of arcuate plate-like concrete, and a rectangular plate-shaped metal longitudinal joint integrally provided on both end surfaces of the segment main body 42 in the longitudinal direction. Plate 43, 43 and arcuate plate-shaped metal width direction joining plates 44, 44 provided integrally at both end surfaces in the width direction of the segment main body 42. The width-direction joining plate 44 is provided with screw insertion holes 43a and 44a extending therethrough, and the segment main body 43 corresponding to each screw insertion hole 43a and 44a has a predetermined size and depth respectively. A hole 45 for tightening the screw is provided.
[0004]
Then, the segment 41 having the above-described configuration is continuously provided in the circumferential direction on the inner surface of the excavated portion such as a tunnel, and the screw tightening holes 45 of the segments 41 adjacent in the circumferential direction are used to make the longitudinal direction A joint bolt (not shown) is inserted between the screw insertion holes 43a, 43a of the joining plate 43, and a joint nut (not shown) is screwed into the screw portion of the bolt and tightened. The segments 41 and 41 to be joined are integrally joined to form a ring-shaped segment ring body on the same circumference.
[0005]
Then, such segment ring bodies are continuously provided in the excavation direction, the segment rings 41 adjacent to each other in the excavation direction are joined together by the same method, and the entire inner surface of the excavated portion is plurally provided. Are covered with segments 41, 41. In this way, the inner surface of the excavated portion can be supported by the plurality of segments 41, 41.
[0006]
[Problems to be solved by the invention]
However, in the segment 41 configured as described above, since the screw fastening holes 45 are provided at a plurality of locations of the concrete segment main body 42, the strength of the segment main body 42 is lowered. Therefore, after providing a plurality of segments 41, 41... On the inner surface of the excavated portion, the screw fastening holes 45 of each segment 41 must be closed with a filler to ensure the strength of each segment body 42. In other words, the work takes time and causes a prolonged construction period.
[0007]
Further, it takes much time to position the segments 41, 41 when the screw insertion holes 43a, 43a of the longitudinal direction joining plates 43, 43 of the segments 41, 41 adjacent in the circumferential direction are made to coincide with each other.
[0008]
Furthermore, when a nut is fastened to a bolt inserted between the screw insertion holes 43a and 43, the work must be performed using the screw tightening hole 45, which is a narrow space, so that the work efficiency is poor. This will cause the construction period to be prolonged.
[0009]
The present invention has been made in view of the above problems, and is used for joining two adjacent members, for example, adjacent ones of a plurality of segments provided on the inner surface of a dug portion such as a tunnel. In addition, there is no need for any work for securing the strength after the adjacent segments are joined together, the positioning of the adjacent segments is easy, and the joining of the adjacent segments is easy. An object of the present invention is to provide a joint that has good working efficiency and can significantly shorten the construction period.
[0010]
[Means for Solving the Problems]
In order to solve the above problems, the present invention employs the following means.
That is, the invention according to claim 1 is a joint that integrally joins two adjacent members, the male joint provided in the one member, and the male joint provided in the other member. A female joint that fits with each other, and the female joint has a fitted member having an opening in which two opposing surfaces are formed as tapered surfaces, and the two tapered surfaces are in the joining direction. The male joint is formed so as to be relatively gradually approached as it goes in the direction in which the openings that are orthogonal to each other continue, and to be relatively sequentially separated from the front surface in the joining direction toward the rear surface. A plate protruding outward of one member has a fitting member formed with a bulging portion that curves upward and downward to bulge into a substantially tubular shape, and when the male joint and female joint are fitted together In addition, a bulge is inserted into the opening and The male member and the bulge portion is throttled by the tapered surface of the opening portion by pushing in a direction, characterized in that the bonding is attracted toward the female joint.
According to the joint according to the present invention, when the male joint of one member and the female joint of the other member are fitted, between the two tapered surfaces facing the opening of the mating member of the female joint. The bulging part of the fitting member of the male joint is squeezed and repelled, so that the fitting member of the male joint is drawn toward the female joint and the two adjacent members are joined together. Become.
[0012]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, embodiments of the present invention shown in the drawings will be described.
1 to 8 show an embodiment of a joint according to the present invention. The joint 1 is a joint for joining two adjacent members together. A male joint 2 and a female joint 10 that can be fitted are provided.
[0013]
As shown in FIGS. 2, 6, 7 and 8, the male joint 2 has a fitting member 3 having a rectangular plate shape formed by integrally joining an upper plate 4 and a lower plate 6. The bulging portion 8 is integrally provided over the entire width of the center portion of the fitting member 3 in the longitudinal direction.
[0014]
The bulging portion 8 is formed by curving the longitudinal center portion of the upper plate 4 to form a bulging surface 5 that bulges upward in the portion, and curving the longitudinal center portion of the lower plate 6 in the portion. A bulging surface 7 bulging downward is formed, and the bulging surfaces 5 and 7 are formed into a substantially tubular shape.
[0015]
Examples of the material of the fitting member 3 include metals and various synthetic resins. However, the present invention is not limited to this, and other materials may be used. In this embodiment, the fitting member 3 is formed by integrally joining two plates, the upper plate 4 and the lower plate 6, but as described above by machining or the like using a single plate. It may be formed in any shape.
[0016]
As shown in FIGS. 3, 4, and 5, the female joint 10 is a box shape in which one side surface is opened by combining the upper plate 12, the lower plate 13, the front plate 14, the rear plate 18, and the side plate 19. The fitted member 11 is formed at the center of the front plate 14 of the fitted member 11, and an opening 15 is provided over the entire length of the front plate 14.
[0017]
The two surfaces 16, 17 facing the up-down direction of the opening 15 of the front plate 14 relatively approach each other as they go from one side of the fitted member 11 to the other side, and go from the front surface of the front plate 14 to the rear surface. Are formed on the tapered surfaces 16 and 17 which are relatively sequentially separated.
[0018]
In this case, as shown in FIG. 2, the gap between the tapered surfaces 16 and 17 of the opening 15 is such that the one side of the fitted member 11 that is the largest portion is the bulging portion of the fitting member 3 of the male joint 2. It is formed so as to be larger than the size of the base portion of 8, and to be gradually reduced from that portion toward the other side surface. Further, the dimension between the front plate 14 and the rear plate 18 of the fitted member 11 is formed such that almost the entire fitting member 3 can be inserted.
[0019]
Examples of the material of the fitted member 11 include metals and various synthetic resins. However, the present invention is not limited to this, and other materials may be used. In this embodiment, the mating member 11 is configured by combining the upper plate 12, the lower plate 13, the front plate 14, the rear plate 18, and the side plate 19, but is machined using a single plate. For example, the shape may be formed as described above.
[0020]
The joint 1 composed of the male joint 2 and the female joint 10 configured as described above is used to integrally join adjacent ones of a plurality of segments provided on the inner surface of the excavated portion such as a tunnel. In particular, it can be effectively applied to the joining of the segments 20 and 20 adjacent in the circumferential direction.
[0021]
That is, as shown in FIG. 1, the male joint 2 is provided at one joint 21 in the longitudinal direction of the segment 20, and the female joint 10 is provided at the other joint 22. Specifically, the fitting member 3 is integrally joined to a joining plate 23 provided on one end face in the longitudinal direction of the segment 20 by welding or the like, and the male joint 2 is configured at that portion. Further, the fitted member 11 of the female joint 10 is integrally connected to the back side of the joining plate 23 provided on the other end surface in the longitudinal direction of the segment 29 by welding or the like. In this case, the opening portion 15 of the front plate 14 of the member to be fitted 11 is opened on the surface of the joining plate 32, and one side surface side of the member to be fitted 11 is connected to one end surface in the axial direction of the segment 20 (on the near side). Open to the end face. Then, concrete is cast and the male joint 2 is fixed to one joint portion 21 in the longitudinal direction, and the female joint 10 is fixed to the other joint portion 22.
[0022]
And the segment 20 comprised as mentioned above is located in the inner surface of the excavated part, such as a tunnel, and the end surfaces of the longitudinal direction of the two segments 20 and 20 adjacent to the circumferential direction are relatively approached.
[0023]
Then, the fitting member 3 of the male joint 2 of one segment 20 is inserted from one end face side in the axial direction of the joint portion 22 of the other segment 20, and the root portion of the bulging portion 8 of the fitting member 3 is inserted. 2 is inserted between the opposing tapered surfaces 16 and 17 of the opening 15 of the mating member 12 of the female joint 10 as shown in FIG. A force is applied between the tapered surfaces 16 and 17 in the direction of crushing the bulging portion 8, and a repulsive force against the force is generated in the bulging portion 8, and the bulging portion 8 is fitted by this repulsive force. It is drawn into the internal space of the member 11. Then, when the fitting member 11 is pushed in until the fitting member 11 comes into contact with the end face on the back side of the opening 15 of the fitting member 11, the bulging portion 8 is strongly drawn into the internal space of the fitting member 11, and The joint surface of the segment 20 and the joint surface of the other segment 20 are strongly joined to each other.
[0024]
Then, a plurality of segments 20, 20... Are sequentially joined on the same circumference of the inner surface of the excavated part such as a tunnel, thereby forming a ring-shaped segment ring body (not shown) in that part. Such segment ring bodies are continuously formed in the excavation direction, and the segment ring bodies adjacent to each other in the excavation direction are joined together so that the entire inner surface of the excavated portion is formed into a plurality of segments 20, 20. Can be coated and supported.
[0025]
In the joint 1 according to this embodiment configured as described above, when the two segments 20 and 20 adjacent in the circumferential direction are joined together, the male joint 2 of one segment 20 is fitted. The bulging portion 8 of the member 3 is inserted between the opposing tapered surfaces 16 and 17 of the opening 15 of the mating member 11 of the female joint 10 of the other segment 20, and the fitting member 3 is inserted into the back of the opening 15. Since both segments 20 and 20 can be joined together by simply pushing them in until they abut against the side end face, it does not take time to position the segments 20, and the work of tightening the bolts and nuts is also possible. Since it is not necessary, joining of the segments 20 and 20 becomes easy, work efficiency can be improved, and a construction period can be shortened. Furthermore, in order to ensure the strength of the segment 20, it is not necessary to fill the filler after joining the segments 20 and 20, so that the construction period can be shortened.
[0026]
FIGS. 9A and 9B are diagrams showing another example of the male joint 2.
In the male joint 2 shown in FIG. 2A, a plate body 101 is bent with an elastic member 100 such as rubber interposed therein, and both end portions of the plate body 101 are overlapped so as to protrude in one direction. Formed.
Further, the male joint 2 shown in FIG. 9B uses an elastic member 100 such as rubber having a hole in the center instead of the elastic member 100 in the configuration shown in FIG. is there.
When these male joints 8 are used, it is possible to more firmly engage the female joints by the elastic force of the elastic member 100.
[0027]
As described above, the joint according to the present invention is not only used for joining between the segments adjacent in the circumferential direction of the tunnel (as an inter-segment joint), but also for joining between the segments adjacent in the tunnel axial direction ( It may be used as a joint between rings).
The segment to which the present invention is applied may be various segments such as a steel-type segment, a filled concrete-type segment, and a concrete-type segment.
[0028]
【The invention's effect】
As described above, according to the joint according to the present invention, two adjacent members a coupling for joining together, mutually and female coupling of the male joint and the other member of one of the adjacent members , The bulging portion of the fitting member of the male joint is squeezed by the two opposing tapered surfaces of the opening of the mating member of the female joint and pulled toward the female joint. As a result, two adjacent members are joined together.
Therefore, since it becomes easy to join two adjacent members , the construction period can be greatly shortened. In addition, after joining two adjacent members together, no complicated work such as filling with a filler to secure the strength of the members is required, so this also significantly shortens the construction period. It will be possible.
Furthermore, since it is only necessary fitting the fitting member of the fitting member and the male joint of the female fitting, and the male member provided adjacent one of the members, the female joint provided on the other member When the two are fitted together, the positioning of the two members is facilitated, and the joining of the two adjacent members is facilitated. This also shortens the construction period.
[Brief description of the drawings]
FIG. 1 is an explanatory view showing an application example of an embodiment of a joint according to the present invention, and is an explanatory view showing a state before joining.
FIG. 2 is an explanatory view showing an application example of an embodiment of the joint according to the present invention, and is a partially enlarged explanatory view showing a state after joining.
FIG. 3 is a front view of a female joint.
4 is a left side view of FIG. 3. FIG.
FIG. 5 is a cross-sectional view taken along line AA in FIG.
FIG. 6 is a plan view of a male joint.
7 is a front view of FIG. 6. FIG.
8 is a right side view of FIG. 6. FIG.
FIGS. 9A and 9B are front views showing another example of a male joint.
FIG. 10 is an explanatory view showing an example of a conventional joint.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Joint 2 Male type | mold joint 3 Fitting member 5, 7 Swelling surface 8 Swelling part 10 Female type | mold joint 11 Fitted member 15 Opening part 16, 17 Tapered surface

Claims (1)

隣接する二つの部材を一体に接合する継手であって、
前記一方の部材に設けられる雄型継手と、前記他方の部材に設けられていて前記雄型継手と相互に嵌合する雌型継手とを備え、
前記雌型継手は対向する二つの面がテーパ面で形成される開口部を有する被嵌合部材を有し、前記二つのテーパ面は接合方向に直交する方向である開口部の連続する方向に向かうに従って相対的に順次近づくと共に、接合方向の前面から後面に向かうに従って相対的に順次離れるように傾斜して形成され、
前記雄型継手は前記一方の部材の外側に突出する板が上方と下方に湾曲して略管状に膨出する膨出部が形成された嵌合部材を有し、
前記雄型継手と雌型継手の嵌合の際に、前記開口部内に膨出部が挿入されて前記接合方向に直交する方向に押し込むことで前記膨出部が開口部のテーパ面で絞られて前記雄型部材が雌型継手の方向に引き寄せられて接合することを特徴とする継手。
A joint for joining two adjacent members together,
A male joint provided on the one member; and a female joint provided on the other member and fitted to the male joint;
The female joint has a fitted member having an opening in which two opposing surfaces are formed as tapered surfaces, and the two tapered surfaces are in a direction in which the openings are continuous, which is a direction perpendicular to the joining direction. It is formed so as to be inclined relatively so as to approach relatively sequentially as it goes, and to relatively sequentially separate from the front surface to the rear surface in the joining direction,
The male joint has a fitting member formed with a bulging portion in which a plate protruding outward of the one member is curved upward and downward to bulge into a substantially tubular shape ,
When the male joint and the female joint are fitted, a bulging portion is inserted into the opening and pushed in a direction orthogonal to the joining direction so that the bulging portion is narrowed by the tapered surface of the opening. And the male member is drawn in the direction of the female joint and joined.
JP2002069080A 2002-03-13 2002-03-13 Fitting Expired - Fee Related JP3902033B2 (en)

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JP3902033B2 true JP3902033B2 (en) 2007-04-04

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JP6309395B2 (en) * 2014-08-28 2018-04-11 鹿島建設株式会社 Connector

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