JP5378253B2 - Interior panel mounting structure of steel shell structure and interior panel construction method - Google Patents

Interior panel mounting structure of steel shell structure and interior panel construction method Download PDF

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JP5378253B2
JP5378253B2 JP2010021023A JP2010021023A JP5378253B2 JP 5378253 B2 JP5378253 B2 JP 5378253B2 JP 2010021023 A JP2010021023 A JP 2010021023A JP 2010021023 A JP2010021023 A JP 2010021023A JP 5378253 B2 JP5378253 B2 JP 5378253B2
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steel shell
separator
interior panel
auxiliary tool
steel
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JP2011157745A (en
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理 清宮
諭 丸山
映 迫
岩谷一郎
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A&A Material Corp
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Description

本発明は、所定間隔を開けて配置される鋼殻間にセパレータが設けられる鋼殻構造物に内装パネルを取り付ける鋼殻構造物の内装パネル取付構造及び内装パネル施工方法に関する。   The present invention relates to an interior panel mounting structure and an interior panel construction method for a steel shell structure in which an interior panel is attached to a steel shell structure in which a separator is provided between steel shells arranged at predetermined intervals.

従来、所定間隔を開けて配置される鋼殻間にセパレータが設けられる鋼殻構造物として鋼殻沈埋トンネルが知られている。鋼殻沈埋トンネルは、所定間隔を開けて配置される鋼殻をセパレータで連結することにより、内外二重の鋼殻を有する箱状の鋼殻体を構成し、この鋼殻体を成形用型枠として両側の鋼殻間にコンクリートやモルタル等の固結材を充填してトンネル構造体を構成し、このトンネル構造体を海底等に順次沈下させて接続することにより、長尺のトンネル空間を形成するものである。   Conventionally, a steel shell submerged tunnel is known as a steel shell structure in which a separator is provided between steel shells arranged at predetermined intervals. The steel shell submerged tunnel forms a box-shaped steel shell body with double inner and outer steel shells by connecting the steel shells arranged at predetermined intervals with a separator, and this steel shell body is formed into a molding die. As a frame, a solid structure such as concrete or mortar is filled between the steel shells on both sides to form a tunnel structure, and this tunnel structure is sequentially submerged and connected to the seabed to create a long tunnel space. To form.

このような鋼殻沈埋トンネルの内面には、耐火パネル等の内装パネルを取り付けることが一般的に行われている。鋼殻沈埋トンネルの内面への内装パネルの取り付けは、例えば特許文献１のようにセパレータの端部を利用して行われることがある。この取付構造では、トンネル空間側に突出するセパレータの端部に左右対称の断面視Ω字形状の補助金具が固定され、その補助金具の両端部にコ字形基部の両側に差込片を有するパネル支持金具が固定され、支持金具の差込片を内装パネルの背面とその背面に設けた係止金具との間に挿入嵌合されている。   Generally, an interior panel such as a fireproof panel is attached to the inner surface of such a steel shell submerged tunnel. The attachment of the interior panel to the inner surface of the steel shell submerged tunnel may be performed using the end of the separator as disclosed in Patent Document 1, for example. In this mounting structure, an auxiliary metal fitting having a symmetrical Ω-shaped cross-sectional view is fixed to the end of the separator protruding to the tunnel space side, and a panel having insertion pieces on both sides of the U-shaped base at both ends of the auxiliary metal fitting The support fitting is fixed, and the insertion piece of the support fitting is inserted and fitted between the back surface of the interior panel and the locking fitting provided on the back surface.

特開２００８−８２０５２号公報JP 2008-82052 A

ところで、上記鋼殻沈埋トンネルの内面への内装パネルの取り付けは、隣接する内装パネルの隣接箇所と対応してセパレータの端部が配置されることが必要になるが、セパレータは鋼殻体を製造する時点ですでに配置が決まっているため、後から変更することはできない。そのため、セパレータを利用する内装パネルの取り付けで、セパレータが丁度良い位置に配置されていない場合にも、効率的且つ容易に施工作業を行うことができる構成が求められている。   By the way, the attachment of the interior panel to the inner surface of the steel shell submerged tunnel requires that the end of the separator be disposed corresponding to the adjacent location of the adjacent interior panel, but the separator produces a steel shell body. Since the arrangement has already been decided at the time of doing, it can not be changed later. For this reason, there is a demand for a configuration that can perform the construction work efficiently and easily even when the separator is not arranged at the right position when attaching the interior panel using the separator.

本発明は上記課題に鑑み提案するものであって、セパレータの端部を利用する内装パネルの取り付けで、隣接する内装パネルの隣接箇所と対応してセパレータの端部が配置されていない場合にも内装パネルを取り付けることができ、効率的且つ容易に施工作業を行うことができる鋼殻構造物の内装パネル取付構造及び内装パネル施工方法を提供することを目的とする。   The present invention is proposed in view of the above problems, and it is also possible to attach an interior panel that uses the end portion of the separator, and when the end portion of the separator is not disposed corresponding to the adjacent location of the adjacent interior panel. An object of the present invention is to provide an interior panel mounting structure and an interior panel construction method for a steel shell structure that can attach an interior panel and can perform construction work efficiently and easily.

本発明の鋼殻構造物の内装パネル取付構造は、所定間隔を開けて配置される鋼殻と、前記鋼殻間に設けられ、少なくとも一方の端部が前記鋼殻から外側に突出するセパレータと、隣接する内装パネルに跨って設けられ、前記内装パネルの各々に対して定置して取り付けられるパネル支持具と、前記セパレータの前記突出する端部に一方の突出片が固定され、前記パネル支持具に他方の突出片が固定される断面視略Ｚ字形状の補助具とを備えることを特徴とする。
前記構成では、断面視略Ｚ字形状の補助具を用いることにより、セパレータの端部を利用する内装パネルの取り付けで、隣接する内装パネルの隣接箇所と対応してセパレータの端部が配置されていない場合にも内装パネルを取り付けることができ、効率的且つ容易に施工作業を行うことができる。特に、一体型の断面視略Ｚ字形状の補助具を用いる場合には、ブラケットやブラケットと補助具を固定するボルト、ナット等を不要とすることができ、部品点数を減らし、より一層効率的且つ容易な施工作業が可能となる。 An interior panel mounting structure for a steel shell structure according to the present invention includes a steel shell disposed at a predetermined interval, a separator provided between the steel shells, and at least one end projecting outward from the steel shell, A panel support provided between adjacent interior panels and fixedly attached to each of the interior panels, and one projecting piece fixed to the projecting end of the separator, the panel support And an auxiliary tool having a substantially Z shape in sectional view to which the other protruding piece is fixed.
In the above configuration, by using an auxiliary tool having a substantially Z-shape in cross-section, the end of the separator is arranged corresponding to the adjacent portion of the adjacent interior panel in the mounting of the interior panel using the end of the separator. Even when there is no interior panel, the interior panel can be attached, and the construction work can be performed efficiently and easily. In particular, in the case of using an integrated auxiliary tool having a substantially Z-shaped cross-sectional view, it is possible to eliminate the need for a bracket, a bolt, a nut, etc. for fixing the bracket and the auxiliary tool, reducing the number of parts and making it more efficient. And an easy construction work is attained.

本発明の鋼殻構造物の内装パネル取付構造は、前記セパレータの前記突出する端部に形成されている螺子溝と、前記螺子溝に螺合される一対のナットを備え、前記突出する端部が貫通する前記一方の突出片を前記一対のナットで挟持することを特徴とする。
前記構成では、一対のナットの螺合で補助具の一方の突出片を挟持することにより、セパレータ端部における一対のナットの螺合位置を調整して補助具の取付位置を調整し、内装パネルの設置位置を調整することが可能となる。 The steel shell structure interior panel mounting structure of the present invention includes a screw groove formed in the protruding end portion of the separator and a pair of nuts screwed into the screw groove, and the protruding end portion. The one protruding piece that penetrates is sandwiched between the pair of nuts.
In the above-described configuration, by holding one protruding piece of the auxiliary tool by screwing the pair of nuts, the screwing position of the pair of nuts at the end of the separator is adjusted to adjust the mounting position of the auxiliary tool, and the interior panel It becomes possible to adjust the installation position.

本発明の鋼殻構造物の内装パネル取付構造は、前記補助具を長尺の棒状とし、前記鋼殻間に設けられる別のセパレータの前記鋼殻から外側に突出する端部に前記補助具の前記一方の突出片が固定されることを特徴とする。
前記構成では、長尺の棒状の補助具とすることにより、パネル支持具による内装パネルの広い範囲の支持位置に対応することができる。また、補助具を一のセパレータの端部と別のセパレータの端部とに架橋するように設けることが可能であるから、補助具を高強度で安定して取り付けることができる。 In the interior panel mounting structure for a steel shell structure according to the present invention, the auxiliary tool is formed into a long bar shape, and the end of the auxiliary tool is protruded outward from the steel shell of another separator provided between the steel shells. The one protruding piece is fixed.
In the said structure, it can respond to the support position of the wide range of the interior panel by a panel support tool by setting it as a long rod-shaped auxiliary tool. In addition, since the auxiliary tool can be provided so as to be bridged between the end of one separator and the end of another separator, the auxiliary tool can be stably attached with high strength.

また、本発明の鋼殻構造物の内装パネル施工方法は、所定間隔を開けて配置される鋼殻と、前記鋼殻間に設けられ、少なくとも一方の端部が前記鋼殻から外側に突出するセパレータから構成される鋼殻構造物に対し、隣接する内装パネルに跨って設けられ、前記内装パネルの各々に対して定置して取り付けられるパネル支持具を定置する際に、断面視略Ｚ字形状の補助具の一方の突出片を前記セパレータの前記突出する端部に固定すると共に、前記補助具の他方の突出片を前記パネル支持具に固定する工程を備えることを特徴とする。
前記構成では、断面視略Ｚ字形状の補助具を用いて施工することにより、セパレータの端部を利用する内装パネルの取り付けで、隣接する内装パネルの隣接箇所と対応してセパレータの端部が配置されていない場合にも内装パネルを取り付けることができ、効率的且つ容易に施工作業を行うことができる。特に、一体型の断面視略Ｚ字形状の補助具を用いる場合には、ブラケットやブラケットと補助具を固定するボルト、ナット等を不要とすることができ、部品点数を減らし、より一層効率的且つ容易な施工作業が可能となる。 Moreover, the interior panel construction method for a steel shell structure according to the present invention is provided between a steel shell arranged at a predetermined interval and the steel shell, and at least one end portion projects outward from the steel shell. When placing a panel support that is provided across adjacent interior panels and is fixed to each of the interior panels, with respect to a steel shell structure composed of a separator, a substantially Z-shaped cross-sectional view And fixing one protruding piece of the auxiliary tool to the protruding end portion of the separator, and fixing the other protruding piece of the auxiliary tool to the panel support tool.
In the said structure, by installing using the auxiliary tool of a cross-sectional view substantially Z shape, the edge part of a separator corresponds to the adjacent location of an adjacent interior panel by attachment of the interior panel using the edge part of a separator. Even when it is not arranged, the interior panel can be attached, and the construction work can be performed efficiently and easily. In particular, in the case of using an integrated auxiliary tool having a substantially Z-shaped cross-sectional view, it is possible to eliminate the need for a bracket, a bolt, a nut, etc. for fixing the bracket and the auxiliary tool, reducing the number of parts and making it more efficient. And an easy construction work is attained.

本発明の鋼殻構造物の内装パネル取付構造或いは、内装パネル施工方法は、断面視略Ｚ字形状の補助具を用いることにより、セパレータの端部を利用する内装パネルの取り付けで、隣接する内装パネルの隣接箇所と対応してセパレータの端部が配置されていない場合にも内装パネルを取り付けることができ、効率的且つ容易に施工作業を行うことができる。   The interior panel mounting structure of the steel shell structure or the interior panel construction method of the present invention uses an auxiliary tool having a substantially Z-shaped cross-sectional view to attach an interior panel that uses the end portion of the separator, thereby adjacent interiors. The interior panel can be attached even when the end portion of the separator is not disposed corresponding to the adjacent portion of the panel, and the construction work can be performed efficiently and easily.

本発明による第１実施形態の鋼殻構造物の内装パネル取付構造が適用される鋼殻構造物（鋼殻沈埋トンネル）の横断正面図。The cross-sectional front view of the steel shell structure (steel shell submerged tunnel) to which the interior panel mounting structure of the steel shell structure of the first embodiment according to the present invention is applied. （ａ）〜（ｃ）は図１のａ〜ｃ部の拡大図。(A)-(c) is an enlarged view of the ac part of FIG. 図２（ｂ）及び図２（ｃ）のｄ部の拡大図。The enlarged view of the d section of Drawing 2 (b) and Drawing 2 (c). 図３のＡ−Ａ線矢視断面図。FIG. 4 is a cross-sectional view taken along line AA in FIG. 3. 第１変形例の鋼殻構造物の内装パネル取付構造における図３に相当する部位の拡大図。The enlarged view of the site | part corresponded in FIG. 3 in the interior panel mounting structure of the steel shell structure of a 1st modification. 図５のＢ−Ｂ線矢視断面図。FIG. 6 is a cross-sectional view taken along line B-B in FIG. 5. 第２変形例の鋼殻構造物の内装パネル取付構造における図３に相当する部位の拡大図。The enlarged view of the site | part corresponded in FIG. 3 in the interior panel mounting structure of the steel shell structure of a 2nd modification. 図７のＣ−Ｃ線矢視断面図。CC sectional view taken on the line of FIG. 第１実施形態の変形例の図２（ｂ）及び図２（ｃ）のｄ部に相当する部位の拡大図。The enlarged view of the site | part corresponded to d part of FIG.2 (b) and FIG.2 (c) of the modification of 1st Embodiment. 第３変形例の鋼殻構造物の内装パネル取付構造における図３に相当する部位の拡大図。The enlarged view of the site | part corresponded in FIG. 3 in the interior panel mounting structure of the steel shell structure of a 3rd modification. 図１０のＤ−Ｄ線矢視断面図。FIG. 11 is a cross-sectional view taken along line D-D in FIG. 10.

〔第１実施形態の鋼殻構造物の内装パネル取付構造及び内装パネル施工方法〕
本発明による第１実施形態の鋼殻構造物の内装パネル取付構造及び内装パネル施工方法について説明する。図１は第１実施形態の鋼殻構造物の内装パネル取付構造が適用される鋼殻構造物（鋼殻沈埋トンネル）の横断正面図、図２（ａ）〜（ｃ）は図１のａ〜ｃ部の拡大図。図３は図２（ｂ）及び図２（ｃ）のｄ部の拡大図、図４は図３のＡ−Ａ線矢視断面図である。 [Interior panel mounting structure and interior panel construction method for steel shell structure of first embodiment]
The interior panel mounting structure and interior panel construction method for a steel shell structure according to the first embodiment of the present invention will be described. 1 is a cross-sectional front view of a steel shell structure (steel shell submerged tunnel) to which the interior panel mounting structure of the steel shell structure of the first embodiment is applied, and FIGS. 2 (a) to 2 (c) are a in FIG. FIG. 3 is an enlarged view of a portion d in FIGS. 2B and 2C, and FIG. 4 is a cross-sectional view taken along line AA in FIG.

第１実施形態の鋼殻構造物の内装パネル取付構造が設けられる鋼殻構造物は、図１及び図２に示す鋼殻沈埋トンネル１であり、鋼殻沈埋トンネル１では、鋼板等で形成した断面長方形状の外側の鋼殻１ａ内に、鋼板等で形成した複数個の鋼殻１ｂを、それぞれ所定の間隔をおいて配置し、その内外方向及び横方向で隣り合う鋼殻１ｂ・１ａ、鋼殻１ｂ・１ｂ間にコンクリートやモルタル等の固結材１ｃを充填し、内部にトンネル空間Ｓ１〜Ｓ５を有するトンネル構造体Ｔを構成している。そして、トンネル構造体Ｔを海底等に順次沈下させ、これを連結ボルト等で順次接続してトンネル空間Ｓ１〜Ｓ５をそれぞれ連続させ、鋼殻沈埋トンネル１が形成される。   The steel shell structure provided with the interior panel mounting structure of the steel shell structure of the first embodiment is a steel shell submerged tunnel 1 shown in FIGS. 1 and 2, and the steel shell submerged tunnel 1 is formed of a steel plate or the like. A plurality of steel shells 1b formed of a steel plate or the like are arranged at predetermined intervals in the outer steel shell 1a having a rectangular cross section, and the adjacent steel shells 1b and 1a in the inner and outer directions and in the lateral direction, A solidified material 1c such as concrete or mortar is filled between the steel shells 1b and 1b to form a tunnel structure T having tunnel spaces S1 to S5 therein. Then, the tunnel structure T is sequentially submerged to the seabed and the like, and this is sequentially connected by a connecting bolt or the like, and the tunnel spaces S1 to S5 are made continuous, whereby the steel shell submerged tunnel 1 is formed.

内外方向及び横方向で隣り合う鋼殻１ｂ・１ａ、鋼殻１ｂ・１ｂ間には、図２〜図４に示すように、棒状のセパレータ２が設けられており、セパレータ２は、鋼殻１ｂ或いは鋼殻１ａの面方向の縦横に所定間隔をおいて多数設けられている。各セパレータ２には、両側の端部２ａ・２ａにそれぞれ雄ねじとなる所定長さの螺子溝２ｂが形成されている。鋼殻１ｂ・１ａ間に設けられるセパレータ２では、一方の端部２ａが一方側の鋼殻１ｂを貫通して外側であるトンネル空間側に突出し、その螺子溝２ｂにナット４が螺合され、ナット４で鋼殻１ｂを外側から押さえていると共に、他方の端部２ａが他方側の鋼殻１ａに溶接等で固着されたナット３にねじ込まれている。また、鋼殻１ｂ・１ｂ間に設けられるセパレータ２では、一方の端部２ａが一方側の鋼殻１ｂを貫通して外側であるトンネル空間側に突出していると共に、他方の端部２ａが他方側の鋼殻１ｂを貫通して外側であるトンネル空間側に突出しており、後述する補助具５が設けられる端部２ａ以外では、各端部２ａの螺子溝２ｂにそれぞれナット４が螺合され、ナット４で鋼殻１ｂを外側から押さえている。   As shown in FIGS. 2 to 4, a rod-shaped separator 2 is provided between the steel shells 1b and 1a and the steel shells 1b and 1b adjacent to each other in the inner and outer directions and in the lateral direction. Alternatively, a large number of steel shells 1a are provided at predetermined intervals in the vertical and horizontal directions in the surface direction. Each separator 2 is formed with a thread groove 2b having a predetermined length, which is a male screw, at both end portions 2a and 2a. In the separator 2 provided between the steel shells 1b and 1a, one end 2a penetrates the steel shell 1b on one side and protrudes to the outer tunnel space side, and a nut 4 is screwed into the screw groove 2b. The nut 4 holds the steel shell 1b from the outside, and the other end 2a is screwed into a nut 3 fixed to the other steel shell 1a by welding or the like. In the separator 2 provided between the steel shells 1b and 1b, one end 2a penetrates the steel shell 1b on one side and protrudes toward the outer tunnel space side, and the other end 2a is on the other side. The nut 4 is screwed into the screw groove 2b of each end portion 2a except for the end portion 2a which penetrates the steel shell 1b on the side and projects to the outer tunnel space side where the auxiliary tool 5 described later is provided. The nut 4 holds the steel shell 1b from the outside.

尚、隣り合う鋼殻１ｂ・１ａ間、鋼殻１ｂ・１ｂ間に設けられるセパレータ２では、固結材１ｃの充填及び固結が完了する前においては、前記補助具が設けられる端部２ａも含め、全ての前記突出している端部２ａでナット４が鋼殻１ｂを外側から押さえ、鋼殻１ｂ・１ａ、鋼殻１ｂ・１ｂを互いに連結固定して所定の間隔に保持するようになっている。このセパレータ２による間隔保持により、固結材１ｃを充填する際の圧力で鋼殻１ｂ、１ａがトンネル空間Ｓ１〜Ｓ５側又はトンネル構造体Ｔの外側に孕み出すことを防止している。固結材１ｃの充填及び固結の完了後には、前記補助具５が設けられる端部２ａのナット４を弛めることが可能となる。   In the separator 2 provided between the adjacent steel shells 1b and 1a and between the steel shells 1b and 1b, before the filling and consolidation of the consolidated material 1c is completed, the end 2a provided with the auxiliary tool is also provided. In addition, the nut 4 holds the steel shell 1b from the outside at all the protruding end portions 2a, and the steel shells 1b and 1a and the steel shells 1b and 1b are connected and fixed to each other and held at a predetermined interval. Yes. By maintaining the interval by the separator 2, the steel shells 1b and 1a are prevented from squeezing out to the tunnel space S1 to S5 side or the outside of the tunnel structure T by the pressure when filling the consolidated material 1c. After the filling of the consolidated material 1c and the completion of the consolidation, it is possible to loosen the nut 4 of the end 2a where the auxiliary tool 5 is provided.

更に、所定位置の鋼殻１ｂ・１ｂ間に設けられるセパレータ２の端部２ａには補助具５が設けられる。補助具５は、所要強度を有する金属製等で、断面視略Ｚ字形状の長尺の棒状部材であり、基板５１と、基板５の幅方向の一方の端縁から略直角に屈曲して突出する一方の突出片５２と、基板５の幅方向の前記一方の端縁と逆側の端縁から略直角に屈曲して突出する他方の突出片５３とから構成される。補助具５の一方の突出片５２、他方の突出片５３には図示省略する貫通穴が所定間隔でそれぞれ形成されており、一方の突出片５２はセパレータ２の端部２ａを前記貫通穴に貫通させて、ナット４及びこれと当接するワッシャー４１の外側で端部２ａにはめられ、又、他方の突出片５３は後述するパネル支持具７に沿って配設される。   Furthermore, an auxiliary tool 5 is provided at the end 2a of the separator 2 provided between the steel shells 1b and 1b at predetermined positions. The auxiliary tool 5 is a long rod-like member made of metal having a required strength and having a substantially Z-shape in cross-section, and is bent at a substantially right angle from the substrate 51 and one edge in the width direction of the substrate 5. One protruding piece 52 that protrudes, and the other protruding piece 53 that protrudes by bending at a substantially right angle from the edge opposite to the one end edge in the width direction of the substrate 5. The one protruding piece 52 and the other protruding piece 53 of the auxiliary tool 5 are formed with through holes (not shown) at predetermined intervals, respectively, and the one protruding piece 52 penetrates the end 2a of the separator 2 through the through hole. Thus, the nut 4 and the washer 41 in contact with the nut 4 are fitted to the end 2a, and the other protruding piece 53 is disposed along the panel support 7 described later.

セパレータ２の端部２ａにおける補助具５の一方の突出片５２の外側には、ワッシャー６１を介してナット６が螺子溝２ｂに螺合して設けられ、一方の突出片５２は一対のナット４、６で挟持されて端部２ａに固定される。また、この補助具５の一方の突出片５２は、セパレータ２と並列配置されている鋼殻１ｂ・１ｂ間に設けられる別のセパレータ２の端部２ａにもはめられ、一対のナット４、６で挟持する同様の構成で固定されるようになっており、換言すれば補助具５はセパレータ２・２の端部２ａ・２ａ或いは３個以上のセパレータ２の端部２ａに架橋するようにして設けられる。   A nut 6 is screwed into the screw groove 2b via a washer 61 on the outer side of one protruding piece 52 of the auxiliary tool 5 at the end 2a of the separator 2, and the one protruding piece 52 is a pair of nuts 4. , 6 and fixed to the end 2a. Further, one protruding piece 52 of the auxiliary tool 5 is fitted to an end 2a of another separator 2 provided between the steel shells 1b and 1b arranged in parallel with the separator 2, and a pair of nuts 4 and 6 is fitted. In other words, the auxiliary tool 5 is bridged to the end portions 2a and 2a of the separators 2 and 2 or the end portions 2a of three or more separators 2. Provided.

補助具５の他方の突出片５３にはパネル支持具７が取り付けられ、又、このパネル支持具７は、隣接する耐火パネル１０に跨って設けられ、耐火パネル１０の各々に対して定置して取り付けられる。パネル支持具７は、所要強度を有する金属製等で、断面視略Ω字形状の部材であり、取付基板７１と、取付基板７１の両側端縁からそれぞれ略直角に屈曲して延びる突出部７２、７２と、突出部７２、７２の各端縁から略直角に屈曲して外側に延びる差込片７３、７３とから構成される。取付基板７１には、補助具５の他方の突出片５３の貫通穴に対応する貫通穴（図示省略）が設けられており、取付基板７１を補助具５の他方の突出片５３に沿うように配置し、前記貫通穴にボルト８を挿入してナット９を螺合することにより、補助具５の他方の突出片５３とパネル支持具７とが固定される。   A panel support 7 is attached to the other protruding piece 53 of the auxiliary tool 5, and the panel support 7 is provided across the adjacent fireproof panels 10 and is fixed to each of the fireproof panels 10. It is attached. The panel support 7 is a member having a required strength and made of a metal having a required strength and having a substantially Ω-shaped cross-sectional view. The panel support 7 and the protrusions 72 that extend from the both side edges of the mounting substrate 71 by bending at substantially right angles. 72, and insertion pieces 73, 73 that are bent substantially at right angles from the respective edges of the projecting portions 72, 72 and extend outward. The mounting board 71 is provided with a through hole (not shown) corresponding to the through hole of the other protruding piece 53 of the auxiliary tool 5, so that the mounting board 71 extends along the other protruding piece 53 of the auxiliary tool 5. The other protruding piece 53 of the auxiliary tool 5 and the panel support tool 7 are fixed by arranging and inserting the bolt 8 into the through hole and screwing the nut 9 into the through hole.

そして、本実施形態では、図１の左右両側の非常用通路として用いられるトンネル空間Ｓ１、Ｓ５を除くトンネル空間Ｓ１〜Ｓ４の内面に、内装パネルである耐火パネル１０を取り付ける。尚、トンネル空間の内面の底部に、道路等を形成するためにコンクリートを打設する場合には、コンクリートがトンネル構造体Ｔの耐火被覆を兼ねるので、底部には耐火パネル１０を取り付ける必要はない。   And in this embodiment, the fireproof panel 10 which is an interior panel is attached to the inner surface of tunnel space S1-S4 except tunnel space S1, S5 used as emergency passages of the right and left sides of FIG. In addition, when placing concrete in the bottom of the inner surface of the tunnel space in order to form a road or the like, since the concrete also serves as a fireproof coating for the tunnel structure T, it is not necessary to attach the fireproof panel 10 to the bottom. .

耐火パネル１０には、パネル支持具７の取付位置に対応して背面側の四隅に係止具１１が１つずつ設けられている。係止具１１は、全体として略帯板状に形成され、その長手方向の両端部に厚さ方向に段差状に屈曲形成された取付部１１ａが設けられている。取付部１１ａには図示省略する取付穴が形成されており、この取付穴にボルト１２を挿通し、耐火パネル１０内に埋設したインサートナット１３にねじ込むことにより、係止具１１が耐火パネル１０に取り付けられている。係止具１０の長手方向の中央部と耐火パネル１０との間にはスリット状の隙間が形成され、その隙間内にパネル支持具７の差込片７３、７３を差し込んで、耐火パネル１０を係合保持させるようになっている。   The fireproof panel 10 is provided with one locking tool 11 at each of the four corners on the back side corresponding to the mounting position of the panel support 7. The locking tool 11 is formed in a substantially band plate shape as a whole, and is provided with attachment portions 11a that are bent in steps in the thickness direction at both ends in the longitudinal direction. A mounting hole (not shown) is formed in the mounting portion 11a. A bolt 12 is inserted into the mounting hole and screwed into an insert nut 13 embedded in the fireproof panel 10, so that the locking tool 11 is attached to the fireproof panel 10. It is attached. A slit-shaped gap is formed between the longitudinal center portion of the locking tool 10 and the fireproof panel 10, and the insertion pieces 73 and 73 of the panel support 7 are inserted into the gap to attach the fireproof panel 10. Engage and hold.

この内装パネル取付構造を構成する或いは内装パネルである耐火パネル１０を施工する際には、連結されたトンネル構造体Ｔに対し、断面視略Ｚ字形状の補助具５が設けられる端部２ａにおいて、端部２ａに螺合されているナット４を弛め、端部２ａに一方の突出片５２をはめ、その端部２ａに一方の突出片５２の外側からワッシャー６１を介してナット６を螺合し、補助具５の一方の突出片５２をセパレータ２の突出する端部２ａに固定し、同様に並列配置の別のセパレータ２の端部２ａにも同様に固定すると共に、上述の如く、補助具５の他方の突出片５３にパネル支持具７に固定する。そして、パネル支持具７の差込片７３・７３を隣接配置される耐火パネル１０・１０の隙間に差し込むことにより、耐火パネル１０を取り付ける。   When constructing the fireproof panel 10 that constitutes the interior panel mounting structure or is an interior panel, the end 2a provided with the auxiliary tool 5 having a substantially Z-shaped cross-sectional view is connected to the connected tunnel structure T. The nut 4 screwed to the end 2a is loosened, one protruding piece 52 is fitted to the end 2a, and the nut 6 is screwed to the end 2a from the outside of the one protruding piece 52 through the washer 61. In addition, one protruding piece 52 of the auxiliary tool 5 is fixed to the protruding end 2a of the separator 2, and similarly fixed to the end 2a of another separator 2 arranged in parallel, as described above. The panel support 7 is fixed to the other protruding piece 53 of the auxiliary tool 5. And the fireproof panel 10 is attached by inserting the insertion pieces 73 * 73 of the panel support tool 7 in the clearance gap between the fireproof panels 10 * 10 arrange | positioned adjacently.

本実施形態では、一体型の断面視略Ｚ字形状の補助具５を用いることにより、セパレータ２の端部２ａを利用する内装パネルである耐火パネル１０の取り付けで、隣接する耐火パネル１０・１０の隣接箇所と対応してセパレータ２の端部２ａが配置されていない場合にも耐火パネル１０を取り付けることができると共に、ブラケットやブラケットと補助具を固定するボルト、ナット等を不要とすることができ、部品点数を減らし、効率的且つ容易な施工作業を可能にする。また、一対のナット４・６の螺合で補助具５の一方の突出片５２を挟持することにより、セパレータ端部２ａにおける一対のナット４、６の螺合位置を調整して補助具５の取付位置を調整し、耐火パネル１０の設置位置を調整することが可能となる。また、長尺の棒状の補助具５とすることにより、パネル支持具７による耐火パネル１０の広い範囲の支持位置に対応することができる。また、補助具５を一のセパレータ２の端部２ａと別のセパレータ２の端部２ａとに架橋するように設けることが可能であるから、補助具５を高強度で安定して取り付けることができる。   In the present embodiment, by using the auxiliary tool 5 having a substantially Z-shaped cross-sectional view, the adjacent fireproof panels 10 and 10 can be attached by attaching the fireproof panel 10 which is an interior panel using the end 2a of the separator 2. Even when the end 2a of the separator 2 is not arranged corresponding to the adjacent portion of the refractory panel, the fireproof panel 10 can be attached, and the bracket, the bolt and nut for fixing the bracket and the auxiliary tool are not required. This reduces the number of parts and enables efficient and easy construction work. Further, by sandwiching one protruding piece 52 of the auxiliary tool 5 by screwing the pair of nuts 4 and 6, the screwing position of the pair of nuts 4 and 6 at the separator end 2a is adjusted and the auxiliary tool 5 It is possible to adjust the installation position and adjust the installation position of the fireproof panel 10. Further, by using the long bar-shaped auxiliary tool 5, it is possible to support a wide range of support positions of the fireproof panel 10 by the panel support tool 7. Moreover, since the auxiliary tool 5 can be provided so as to be bridged between the end 2a of one separator 2 and the end 2a of another separator 2, the auxiliary tool 5 can be stably attached with high strength. it can.

〔実施形態の変形例等〕
本明細書開示の発明には、各発明や実施形態等の構成の他に、これらの部分的な構成を本明細書開示の他の構成に変更して特定したもの、或いはこれらの構成に本明細書開示の他の構成を付加して特定したもの、或いはこれらの部分的な構成を部分的な作用効果が得られる限度で削除して特定した上位概念化したものも含まれ、例えば下記のような変形例も包含される。 [Modifications of Embodiment, etc.]
In addition to the configurations of the inventions and embodiments, the invention disclosed in the present specification includes those specified by changing these partial configurations to other configurations disclosed in the present specification, or these configurations. Also included are those specified by adding other configurations disclosed in the specification, or those obtained by deleting these partial configurations to the extent that partial effects can be obtained and specifying them as a high-level concept. Various modifications are also included.

例えば補助具５の他方の突出片５３とパネル支持具７の取付基板７１を固定する際に、上記実施形態の通常のボルト８及びナット９を用いる構成に代え、図５及び図６の第１変形例に示すように、ねじ部の長さ方向中間部に段落とし非ねじ部を有するセーフティーボルト８ａと、弛み止め機能を有するクリップナット９ａとを用いる構成としてもよい。また、図７及び図８に示す第２変形例のように、第１変形例における一方の耐火パネル１０に係止具１１を設けて、パネル支持具７の差込片７３を挿入する構成に代え、差込片７３或いはこれに相当する部位に、耐火パネル１０のインサートナット１３にねじ込まれたセーフティーボルト１２ａを貫通させ、セーフティーボルト１２ａとナット１４で挟持固定する構成としてもよい。   For example, when the other protruding piece 53 of the auxiliary tool 5 and the mounting substrate 71 of the panel support 7 are fixed, the first embodiment of FIGS. 5 and 6 is used instead of the configuration using the normal bolt 8 and nut 9 of the above embodiment. As shown in the modification, it is possible to use a safety bolt 8a having a non-threaded portion as a paragraph at the middle portion in the longitudinal direction of the threaded portion and a clip nut 9a having a locking function. Moreover, like the 2nd modification shown in FIG.7 and FIG.8, it has the structure which provides the locking tool 11 in one fireproof panel 10 in a 1st modification, and inserts the insertion piece 73 of the panel support tool 7. FIG. Instead, the safety bolt 12a screwed into the insert nut 13 of the fireproof panel 10 may be passed through the insertion piece 73 or a portion corresponding thereto, and the safety bolt 12a and the nut 14 may be sandwiched and fixed.

また、上記実施形態では、補助具５を設けるセパレータ２の端部２ａにおいて、ナット４を弛めて補助具５の固定に用いる構成としたが、例えば別のナットをナット４の外側に螺合し、この別のナットとナット６を螺合して補助具５の一方の突出片５２を挟持する構成等とし、セパレータ２による鋼殻１ｂ・１ｂ、鋼殻１ｂ・１ａの間隔保持状態を維持するようにすることも可能である。また、棒状のセパレータ２は全周に亘って螺子溝を有する全ねじボルトとしてもよい。また、係止具１１は補助具５及びパネル支持具７を介して取り付け可能な位置であれば耐火パネル１０の適宜の位置に設けることが可能である。また、内装パネルは耐火パネル１０以外の各種の内装パネルとすることが可能である。   In the above embodiment, the nut 4 is loosened and used to fix the auxiliary tool 5 at the end 2a of the separator 2 where the auxiliary tool 5 is provided. For example, another nut is screwed to the outside of the nut 4. In addition, the other nut and the nut 6 are screwed together so that one protruding piece 52 of the auxiliary tool 5 is sandwiched, and the distance maintaining state of the steel shells 1b and 1b and the steel shells 1b and 1a by the separator 2 is maintained. It is also possible to do so. Moreover, the rod-shaped separator 2 is good also as a full screw volt | bolt which has a screw groove over the perimeter. Moreover, if the latching tool 11 is a position which can be attached via the auxiliary tool 5 and the panel support tool 7, it can be provided in the appropriate position of the fireproof panel 10. FIG. The interior panel can be various interior panels other than the fireproof panel 10.

また、図９に示す第１実施形態の変形例として、セパレータ２の一方の端部２ａが一方側の鋼殻１ｂを貫通して外側であるトンネル空間側に突出し、その突出部分に角座金２００と補助具５の一方の突出片５２がはめられ、更に、より端部側の螺子溝２ｂにワッシャー６１を介してナット６が螺合され、ナット６で鋼殻１ｂが外側から押さえられる構成としてもよい。この例では、セパレータ２に角座金２００を有する鋼殻１ｂにおいて防錆剤が塗布されている場合に、セパレータ２の角座金２００がついた状態を維持し、防錆剤のない箇所が生ずることを防止できると共に、角座金２００の取り外しの手間をなくすことができる。   As a modification of the first embodiment shown in FIG. 9, one end 2a of the separator 2 penetrates the steel shell 1b on one side and protrudes to the outer tunnel space side, and a square washer 200 is formed on the protruding portion. And one protruding piece 52 of the auxiliary tool 5 is fitted, and further, the nut 6 is screwed into the screw groove 2b on the more end side through the washer 61, and the steel shell 1b is pressed from the outside by the nut 6. Also good. In this example, when the rust preventive agent is applied to the steel shell 1b having the square washer 200 on the separator 2, the state where the square washer 200 of the separator 2 is attached is maintained, and a portion without the rust preventive agent is generated. Can be prevented, and the trouble of removing the square washer 200 can be eliminated.

さらに、断面視略Ｚ字形状の補助具５として、図１０及び図１１に示すように、別体型の補助金具を組み合わせる構成とすることも可能である。図１０及び図１１に示す変形例では、補助具５として断面視Ｌ字形状で短尺のブラケット１０２と断面視Ｌ字形の長尺の補助金具１０５を組み合わせて用い、パネル支持金具１０７を所要位置に配置するようにしている。具体的な構造では、鋼殻１０１及びブラケット１０２の一片１０２ａ（一方の突出片に相当）を貫通して設けられる棒状のセパレータ１０３の端部１０３ａにワッシャー１０４ａを介してナット１０４ｂが螺合され、鋼殻１０１とナット１０４ｂで付勢されているワッシャー１０４ａとでブラケット１０２の一片１０２ａが挟持されている。ブラケット１０２の他片１０２ｂには補助金具１０５の一片１０５ａが重ねて配置され、これらを貫通するボルト１０６ａ及びワッシャー１０６ｂを介するナット１０６ｃで螺着されている。補助金具１０５の他片１０５ｂ（他方の突出片に相当）にはパネル支持金具１０７の基部１０７ａが重ねて配置され、これらを貫通するボルト１０８ａ及びワッシャー１０８ｂを介するナット１０８ｃで螺着されている。パネル支持金具１０７の両側の差込片１０７ｂ、１０７ｂは、それぞれ隣接する内装パネル１０９の背面とその背面にボルト１１０で固定されている係止金具１１１との間に挿入嵌合される。   Further, as the auxiliary tool 5 having a substantially Z shape in cross section, as shown in FIGS. In the modification shown in FIGS. 10 and 11, the auxiliary tool 5 is a combination of a short bracket 102 having an L shape in cross section and a long auxiliary metal fitting 105 having an L shape in cross section. I try to arrange it. In a specific structure, a nut 104b is screwed through a washer 104a to an end 103a of a rod-like separator 103 provided through one piece 102a (corresponding to one protruding piece) of a steel shell 101 and a bracket 102, A piece 102a of the bracket 102 is sandwiched between the steel shell 101 and the washer 104a biased by the nut 104b. One piece 105a of the auxiliary metal fitting 105 is placed on the other piece 102b of the bracket 102, and is screwed with a nut 106c through a bolt 106a and a washer 106b passing through the piece. On the other piece 105b (corresponding to the other protruding piece) of the auxiliary metal fitting 105, a base portion 107a of the panel support metal fitting 107 is disposed so as to be screwed with a nut 108c through a bolt 108a and a washer 108b penetrating them. The insertion pieces 107b and 107b on both sides of the panel support metal fitting 107 are inserted and fitted between the back surface of the adjacent interior panel 109 and the locking metal fitting 111 fixed to the back surface with bolts 110, respectively.

本発明は、鋼殻沈埋トンネル等の鋼殻構造物に内装パネルを取り付ける場合に利用することができる。   The present invention can be used when an interior panel is attached to a steel shell structure such as a steel shell submerged tunnel.

１…鋼殻沈埋トンネル １ａ、１ｂ、１０１…鋼殻 １ｃ…固結材 ２…棒状のセパレータ ２ａ、１０３ａ…端部 ２ｂ…螺子溝 ３、４、６、９、１４、１０４ｂ、１０６ｃ、１０８ｃ…ナット ４１、６１、１０４ａ、１０６ｂ、１０８ｂ…ワッシャー ５…補助具 ５１…基板 ５２…一方の突出片 ５３…他方の突出片 ７…パネル支持具 ７１…取付基板 ７２…突出部 ７３…差込片 ８、１２、１１０、１０６ａ、１０８ａ…ボルト １０…耐火パネル １１、１１１…係止具 １１ａ…取付部 １３…インサートナット ８ａ、１２ａ…セーフティーボルト ９ａ…クリップＫナット １０２…ブラケット １０２ａ、１０５ａ…一片 １０２ｂ、１０５ｂ…他片 １０３…セパレータ １０５…補助金具 １０７…パネル支持金具 １０７ａ…基部 １０７ｂ…差込片 １０９…内装パネル ２００…角座金 Ｔ…トンネル構造体 Ｓ１〜Ｓ５…トンネル空間 DESCRIPTION OF SYMBOLS 1 ... Steel shell submerged tunnel 1a, 1b, 101 ... Steel shell 1c ... Consolidated material 2 ... Bar-shaped separator 2a, 103a ... End part 2b ... Screw groove 3, 4, 6, 9, 14, 104b, 106c, 108c ... Nut 41, 61, 104a, 106b, 108b ... Washer 5 ... Auxiliary tool 51 ... Substrate 52 ... One protruding piece 53 ... The other protruding piece 7 ... Panel support 71 ... Mounting substrate 72 ... Protruding portion 73 ... Insert piece 8 , 12, 110, 106a, 108a ... bolt 10 ... fireproof panel 11, 111 ... locking device 11a ... mounting portion 13 ... insert nut 8a, 12a ... safety bolt 9a ... clip K nut 102 ... bracket 102a, 105a ... one piece 102b, 105b ... Other piece 103 ... Separator 105 ... Auxiliary metal fitting 107 ... Panel support metal fitting 107a ... Base 107b ... Insert piece 109 ... Interior panel 200 ... Square washer T ... Tunnel structure S1 to S5 ... Tunnel space

Claims (4)

所定間隔を開けて配置される鋼殻と、
前記鋼殻間に設けられ、少なくとも一方の端部が前記鋼殻から外側に突出するセパレータと、
隣接する内装パネルに跨って設けられ、前記内装パネルの各々に対して定置して取り付けられるパネル支持具と、
前記セパレータの前記突出する端部に一方の突出片が固定され、前記パネル支持具に他方の突出片が固定される断面視略Ｚ字形状の補助具と、
を備えることを特徴とする鋼殻構造物の内装パネル取付構造。 Steel shells arranged at predetermined intervals;
A separator provided between the steel shells, at least one end protruding outward from the steel shell;
A panel support that is provided across adjacent interior panels and is fixedly attached to each of the interior panels; and
One auxiliary piece is fixed to the protruding end of the separator and the other protruding piece is fixed to the panel support, and the auxiliary tool is substantially Z-shaped in cross-section.
An interior panel mounting structure for a steel shell structure, comprising: 前記セパレータの前記突出する端部に形成されている螺子溝と、
前記螺子溝に螺合される一対のナットを備え、
前記突出する端部が貫通する前記一方の突出片を前記一対のナットで挟持することを特徴とする請求項１記載の鋼殻構造物の内装パネル取付構造。 A screw groove formed in the protruding end of the separator;
A pair of nuts screwed into the screw grooves;
2. The interior panel mounting structure for a steel shell structure according to claim 1, wherein the one protruding piece through which the protruding end portion passes is sandwiched between the pair of nuts. 前記補助具を長尺の棒状とし、
前記鋼殻間に設けられる別のセパレータの前記鋼殻から外側に突出する端部に前記補助具の前記一方の突出片が固定されることを特徴とする請求項１又は２記載の鋼殻構造物の内装パネル取付構造。 The auxiliary tool is a long rod,
3. The steel shell structure according to claim 1, wherein the one protruding piece of the auxiliary tool is fixed to an end portion of the another separator provided between the steel shells and protruding outward from the steel shell. Interior panel mounting structure. 所定間隔を開けて配置される鋼殻と、前記鋼殻間に設けられ、少なくとも一方の端部が前記鋼殻から外側に突出するセパレータから構成される鋼殻構造物に対し、隣接する内装パネルに跨って設けられ、前記内装パネルの各々に対して定置して取り付けられるパネル支持具を定置する際に、
断面視略Ｚ字形状の補助具の一方の突出片を前記セパレータの前記突出する端部に固定すると共に、前記補助具の他方の突出片を前記パネル支持具に固定する工程を備えることを特徴とする鋼殻構造物の内装パネル施工方法。 An interior panel adjacent to a steel shell structure comprising a steel shell arranged at a predetermined interval and a separator provided between the steel shells and having at least one end protruding outward from the steel shell. When placing a panel support that is installed across and mounted on each of the interior panels,
A step of fixing one protruding piece of the auxiliary tool having a substantially Z shape in a sectional view to the protruding end portion of the separator and fixing the other protruding piece of the auxiliary tool to the panel support tool. An interior panel construction method for steel shell structures.
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