JP4800858B2 - Fixing tool for fixing plate-like body to tunnel lining - Google Patents

Fixing tool for fixing plate-like body to tunnel lining Download PDF

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JP4800858B2
JP4800858B2 JP2006165678A JP2006165678A JP4800858B2 JP 4800858 B2 JP4800858 B2 JP 4800858B2 JP 2006165678 A JP2006165678 A JP 2006165678A JP 2006165678 A JP2006165678 A JP 2006165678A JP 4800858 B2 JP4800858 B2 JP 4800858B2
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plate
bolt hole
bolt
tunnel
hole
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JP2007332660A (en
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義治 石川
孝次 梅川
雅直 大脇
裕泰 若山
健之 山田
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Kumagai Gumi Co Ltd
Gaeart Co Ltd
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Kumagai Gumi Co Ltd
Gaeart TK Co Ltd
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  • Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
  • Lining And Supports For Tunnels (AREA)

Description

本発明は、トンネルの覆工に吸音板、遮音板等（以下「板状体」という。）を固定する固定具に関する。   The present invention relates to a fixture for fixing a sound absorbing plate, a sound insulating plate or the like (hereinafter referred to as “plate-like body”) to a tunnel lining.

トンネルには、騒音低減のために、吸音機能又は遮音機能を有する板状体が配置されることがある。   In the tunnel, a plate-like body having a sound absorbing function or a sound insulating function may be arranged for noise reduction.

従来、前記板状体は、前記トンネルの覆工に埋め込まれたアンカーボルトにレールを介して固定することにより配置されている（特許文献１参照）。前記レールは、前記トンネルの軸線方向へ前記トンネルの覆工の表面に接するように配置され、前記アンカーボルトにより前記トンネルの覆工に固定される。
特開２００４−３６０３４０号公報 Conventionally, the said plate-shaped body is arrange | positioned by fixing to the anchor bolt embedded in the lining of the said tunnel via a rail (refer patent document 1). The rail is disposed in contact with the surface of the tunnel lining in the axial direction of the tunnel, and is fixed to the tunnel lining by the anchor bolt.
JP 2004-360340 A

ところで、前記アンカーボルトの埋め込み作業は手作業により行われるため、その設置位置が所定の位置からずれることがある。また、前記トンネルの覆工の表面に凹凸が存することがある。このような場合、前記レールを予め定められた位置に配置することができず、このために、前記板状体を予め定められた位置に配置することができない。   By the way, since the anchor bolt embedding operation is performed manually, the installation position may deviate from a predetermined position. Further, irregularities may exist on the surface of the tunnel lining. In such a case, the rail cannot be arranged at a predetermined position, and for this reason, the plate-like body cannot be arranged at a predetermined position.

本発明の目的は、トンネルの覆工に板状体を固定する固定具であって板状体を予め定められた位置に配置することができる固定具を提供することである。   An object of the present invention is to provide a fixture that fixes a plate-like body to a tunnel lining and that can place the plate-like body at a predetermined position.

本発明に係る、トンネルの覆工に板状体を固定する固定具は、前記トンネルの覆工に埋め込まれるアンカーボルトと、該アンカーボルトにより前記トンネルの覆工に固定される第１部材と、ボルト及びナットにより前記第１部材に結合される第２部材と、該第２部材に前記板状体を取り付ける取付手段とを含む。前記第１部材は前記アンカーボルトが貫通する第１ボルト穴と前記ボルトが貫通する第２ボルト穴とを有し、前記第２部材は、前記第２ボルト穴と相対する、前記ボルトが貫通する第３ボルト穴を有する。前記第１ボルト穴、前記第２ボルト穴及び前記第３ボルト穴の少なくとも１つは、ボルト径より比較的大きい直径を有する丸穴（以下「ルーズ穴」という。）又は前記トンネルの周方向に細長い長穴から成り、前記第２ボルト穴及び前記第３ボルト穴の少なくとも一方はルーズ穴又は前記トンネルの覆工に垂直な方向に細長い長穴から成る。前記取付手段は、前記第２部材に固定された板部材と、該板部材に支持され、前記トンネルの軸線方向に伸びるレールであって間隔を置かれた、相対する一対の側部と、該側部の間の底部と、各側部に設けられ、該側部から内方へ延び、前記板部材に載せられた鉤部とを有するレールと、該レールに固定され、該レールとの間に前記板状体の端部を挟持する挟持部材とを備える。
According to the present invention, a fixing tool for fixing a plate-like body to a tunnel lining includes an anchor bolt embedded in the tunnel lining, a first member fixed to the tunnel lining by the anchor bolt, A second member coupled to the first member by a bolt and a nut; and attachment means for attaching the plate-like body to the second member. The first member has a first bolt hole through which the anchor bolt penetrates and a second bolt hole through which the bolt penetrates, and the second member faces the second bolt hole, and the bolt penetrates through the first member. A third bolt hole is provided. At least one of the first bolt hole, the second bolt hole, and the third bolt hole is a round hole (hereinafter referred to as a “loose hole”) having a relatively larger diameter than the bolt diameter, or in the circumferential direction of the tunnel. An elongated long hole is formed, and at least one of the second bolt hole and the third bolt hole is a loose hole or a long elongated hole in a direction perpendicular to the tunnel covering. The attachment means includes a plate member fixed to the second member, a pair of opposed side portions that are supported by the plate member and extend in the axial direction of the tunnel and spaced apart from each other, and A rail provided between each side portion, a rail provided on each side portion, extending inwardly from the side portion, and having a flange portion mounted on the plate member; and fixed to the rail and between the rails And a clamping member that clamps an end of the plate-like body.

前記第１部材及び前記第２部材は、それぞれ、互いに直交する２つの板状部を有する山形鋼とすることができる。２つの山形鋼は、全体にクランク形を呈するように一方の板状部が互いに相対するように配置されている。前記第１ボルト穴及び前記第２ボルト穴はそれぞれ一方の山形鋼の他方の板状部及び一方の板状部に設けられており、前記第３ボルト穴は他方の山形鋼の一方の板状部に設けられている。   Each of the first member and the second member may be an angle steel having two plate-like portions orthogonal to each other. The two angle steels are arranged so that one plate-like portion faces each other so as to exhibit a crank shape as a whole. The first bolt hole and the second bolt hole are respectively provided in the other plate-like portion and one plate-like portion of one angle steel, and the third bolt hole is one plate-like shape of the other angle steel. Provided in the department.

前記レールの前記底部は、第４ボルト穴を有する平坦な中央部分と、該中央部分から各側部まで延び、該中央部分に対して俯角を成すように傾斜する傾斜部分とから成る。前記挟持部材は、第５ボルト穴を有する平坦な中央部と、それぞれが該中央部に対して垂直な、相対する一対の垂直部と、各垂直部から側方へ延び、前記レールの前記傾斜部分に平行な傾斜部とを有する。前記挟持部材は、前記第４ボルト穴及び前記第５ボルト穴を貫通するボルトとこれに螺合されたナットとにより前記レールに固定されており、前記傾斜部で前記レールの前記傾斜部分との間に前記板状体の端部を挟持する。The bottom portion of the rail includes a flat central portion having a fourth bolt hole, and an inclined portion extending from the central portion to each side portion and inclined to form a depression angle with respect to the central portion. The clamping member includes a flat central portion having a fifth bolt hole, a pair of opposing vertical portions, each perpendicular to the central portion, and extending laterally from each vertical portion, and the inclination of the rail And an inclined portion parallel to the portion. The clamping member is fixed to the rail by a bolt penetrating the fourth bolt hole and the fifth bolt hole and a nut screwed into the bolt, and the inclined portion is connected to the inclined portion of the rail. The end of the plate-like body is sandwiched therebetween.

本発明によれば、前記第１ボルト穴、前記第２ボルト穴及び前記第３ボルト穴の少なくとも１つがルーズ穴又は前記トンネルの周方向に細長い長穴から成ることから、前記第１部材又は前記第２部材を前記アンカーボルトに対して前記トンネルの周方向に移動させることができる。これにより、前記アンカーボルトが埋め込まれる位置に応じて、前記取付手段に取り付けられた前記板状体の配置位置を前記トンネルの周方向に調整することができる。また、前記第２ボルト穴及び前記第３ボルト穴の少なくとも一方がルーズ穴又は前記トンネルの覆工に垂直な方向に細長い長穴から成ることから、前記第２部材を前記第１部材に対して前記トンネルの覆工に垂直な方向に移動させることができる。これにより、前記トンネルの覆工の表面形状に応じて、前記取付手段に取り付けられた前記板状体の配置位置を前記トンネルの覆工に垂直な方向に調整することができる。その結果、前記板状体を予め定められた位置に配置することができる。   According to the present invention, at least one of the first bolt hole, the second bolt hole, and the third bolt hole is a loose hole or an elongated hole that is elongated in the circumferential direction of the tunnel. The second member can be moved in the circumferential direction of the tunnel with respect to the anchor bolt. Thereby, according to the position where the anchor bolt is embedded, the arrangement position of the plate-like body attached to the attachment means can be adjusted in the circumferential direction of the tunnel. In addition, since at least one of the second bolt hole and the third bolt hole is a loose hole or a long hole elongated in a direction perpendicular to the tunnel lining, the second member is attached to the first member. It can be moved in a direction perpendicular to the tunnel lining. Thereby, according to the surface shape of the tunnel lining, the arrangement position of the plate-like body attached to the attachment means can be adjusted in a direction perpendicular to the tunnel lining. As a result, the plate-like body can be arranged at a predetermined position.

図１に示すように、トンネル１０の壁面を形成する覆工１２に複数の板状体１４がそれぞれこれらの各端部において本発明に係る固定具１６により固定されている。板状体１４はトンネル１０の頂部に配置されている。   As shown in FIG. 1, a plurality of plate-like bodies 14 are fixed to the lining 12 that forms the wall surface of the tunnel 10 at their respective end portions by the fixture 16 according to the present invention. The plate-like body 14 is disposed at the top of the tunnel 10.

図２ないし４に示すように、固定具１６は、トンネル１０の軸線方向に互いに間隔を置いて配置されかつ覆工１２に埋め込まれた複数のアンカーボルト１８と、各アンカーボルトによりトンネル１０の覆工１２に固定された第１部材２０と、該第１部材に結合された第２部材２２と、該第２部材に板状体１４を取り付ける取付手段２４とを含む。   As shown in FIGS. 2 to 4, the fixture 16 includes a plurality of anchor bolts 18 that are spaced apart from each other in the axial direction of the tunnel 10 and embedded in the cover 12, and each anchor bolt covers the tunnel 10. A first member 20 fixed to the work 12, a second member 22 coupled to the first member, and attachment means 24 for attaching the plate-like body 14 to the second member.

第１部材２０は、互いに直交する２つの板状部２８、３０を有する山形鋼から成る。一方の板状部２８にはボルト穴（第１ボルト穴）３２が設けられており、他方の板状部３０にはボルト穴（第２ボルト穴）３４が設けられている（図３）。第１部材２０は、一方の板状部２８がトンネル１０の覆工１２に接触するように配置されており、アンカーボルト１８はボルト穴３２を貫通している。   The first member 20 is made of angle steel having two plate-like portions 28 and 30 that are orthogonal to each other. One plate-like portion 28 is provided with a bolt hole (first bolt hole) 32, and the other plate-like portion 30 is provided with a bolt hole (second bolt hole) 34 (FIG. 3). The first member 20 is disposed such that one plate-like portion 28 contacts the lining 12 of the tunnel 10, and the anchor bolt 18 passes through the bolt hole 32.

ボルト穴３２はルーズ穴から成る。このため、第１部材２０は、アンカーボルト１８を締め付ける前にアンカーボルト１８に対してトンネル１０の周方向及び軸線方向のいずれにも移動させることができる。   The bolt hole 32 is a loose hole. For this reason, the first member 20 can be moved in both the circumferential direction and the axial direction of the tunnel 10 with respect to the anchor bolt 18 before the anchor bolt 18 is tightened.

ボルト穴３２は、ルーズ穴から成る例に代え、トンネル１０の周方向に細長い長穴とすることができる。この場合、第１部材２０はアンカーボルト１８に対してトンネル１０の周方向にのみ移動させることができる。   The bolt hole 32 may be a long hole elongated in the circumferential direction of the tunnel 10 instead of the example of the loose hole. In this case, the first member 20 can be moved only in the circumferential direction of the tunnel 10 with respect to the anchor bolt 18.

第２部材２２は、互いに直交する２つの板状部３６、３８を有する山形鋼から成る。一方の板状部３６にはボルト穴（第３ボルト穴）４０が設けられており、他方の板状部３８にはボルト穴４２が設けられている。第１部材２０及び第２部材２２は、全体にクランク形を呈するように第１部材２０の他方の板状部３０と第２部材２２の一方の板状部３６とが相対するように配置されている。第１部材２０及び第２部材２２は、ボルト穴３４及びボルト穴４０を貫通するボルト４４とこれに螺合されたナット４６とにより互いに結合されている。   The second member 22 is made of angle steel having two plate-like portions 36 and 38 that are orthogonal to each other. One plate-like portion 36 is provided with a bolt hole (third bolt hole) 40, and the other plate-like portion 38 is provided with a bolt hole 42. The first member 20 and the second member 22 are disposed so that the other plate-like portion 30 of the first member 20 and the one plate-like portion 36 of the second member 22 face each other so as to form a crank shape as a whole. ing. The first member 20 and the second member 22 are coupled to each other by a bolt 44 penetrating the bolt hole 34 and the bolt hole 40 and a nut 46 screwed into the bolt 44.

ボルト穴３４及びボルト穴４０はいずれもルーズ穴から成る。このため、第２部材２２は、ボルト４４及びナット４６を締め付ける前に第１部材２０に対してトンネル１０の覆工１２に垂直な方向及びトンネル１０の周方向のいずれにも移動させることができる。   Both the bolt hole 34 and the bolt hole 40 are loose holes. Therefore, the second member 22 can be moved in either the direction perpendicular to the cover 12 of the tunnel 10 or the circumferential direction of the tunnel 10 with respect to the first member 20 before the bolts 44 and nuts 46 are tightened. .

ボルト穴３４及びボルト穴４０は、それぞれ、ルーズ穴から成る例に代え、トンネル１０の覆工１２に垂直な方向に細長い長穴とすることができる（トンネル１０の覆工１２に垂直な方向に細長い長穴から成るボルト穴３４を図２に二点鎖線で示す。）。この場合、第２部材２２は、第１部材２０に対してトンネル１０の覆工１２に垂直な方向にのみ移動させることができる。   The bolt hole 34 and the bolt hole 40 may be elongated long holes in the direction perpendicular to the lining 12 of the tunnel 10 instead of the example consisting of loose holes (in the direction perpendicular to the lining 12 of the tunnel 10). A bolt hole 34 composed of an elongated slot is shown by a two-dot chain line in FIG. In this case, the second member 22 can be moved only in a direction perpendicular to the lining 12 of the tunnel 10 with respect to the first member 20.

ボルト穴３２、ボルト穴３４及びボルト穴４０は、これらの少なくとも１つがルーズ穴又はトンネル１０の周方向に細長い長穴から成り、かつボルト穴３４及びボルト穴４０の少なくとも一方がルーズ穴又はトンネル１０の覆工１２に垂直な方向に細長い長穴から成るものであればよい。   At least one of the bolt hole 32, the bolt hole 34, and the bolt hole 40 is a long hole elongated in the circumferential direction of the loose hole or tunnel 10, and at least one of the bolt hole 34 or the bolt hole 40 is loose hole or the tunnel 10. What is necessary is just to consist of an elongate elongate hole in the direction perpendicular | vertical to the lining 12.

ボルト穴３２がルーズ穴又はトンネル１０の周方向に細長い長穴から成る場合、前記したとおり、第１部材２０をアンカーボルト１８に対してトンネル１０の周方向に移動させることができる。ボルト穴３４及びボルト穴４０の少なくとも一方がルーズ穴又はトンネル１０の周方向に細長い長穴から成る場合、第２部材２２を第１部材２０に対してトンネル１０の周方向に移動させることができる。また、いずれの場合においても、ボルト穴３４及びボルト穴４０の少なくとも一方がルーズ穴又はトンネル１０の覆工１２に垂直な方向に細長い長穴から成ることから、第２部材２２を第１部材２０に対してトンネル１０の覆工１２に垂直な方向に移動させることができる。   When the bolt hole 32 is a loose hole or an elongated hole elongated in the circumferential direction of the tunnel 10, the first member 20 can be moved in the circumferential direction of the tunnel 10 with respect to the anchor bolt 18 as described above. When at least one of the bolt hole 34 and the bolt hole 40 is a loose hole or a long hole elongated in the circumferential direction of the tunnel 10, the second member 22 can be moved in the circumferential direction of the tunnel 10 with respect to the first member 20. . In any case, since at least one of the bolt hole 34 and the bolt hole 40 is a loose hole or a long hole elongated in a direction perpendicular to the cover 12 of the tunnel 10, the second member 22 is replaced with the first member 20. In contrast, it can be moved in a direction perpendicular to the lining 12 of the tunnel 10.

取付手段２４は、第２部材２２に固定された板部材４８と、該板部材にトンネル１０の軸線方向に移動可能に支持されたレール５０と、該レールに固定され該レールとの間に板状体１４の端部を挟持する挟持部材５２とを有する。   The attachment means 24 includes a plate member 48 fixed to the second member 22, a rail 50 supported by the plate member so as to be movable in the axial direction of the tunnel 10, and a plate fixed between the rail and the rail. And a clamping member 52 that clamps the end of the shaped body 14.

板部材４８は、トンネル１０の軸線方向に伸び、一対の側部５６と該側部上の水平な頂部５８とから成る。板部材４８の頂部５８にはボルト穴６０が設けられている。板部材４８は、その頂部５８が第２部材２２の他方の板状部３８と接するように配置されており、ボルト穴４２及びボルト穴６０を貫通するボルト６２とこれに螺合されたナット６４とにより第２部材２２に固定されている。   The plate member 48 extends in the axial direction of the tunnel 10 and includes a pair of side portions 56 and a horizontal top portion 58 on the side portions. A bolt hole 60 is provided in the top 58 of the plate member 48. The plate member 48 is disposed such that the top portion 58 is in contact with the other plate-like portion 38 of the second member 22, and a bolt 62 passing through the bolt hole 42 and the bolt hole 60 and a nut 64 screwed thereto. And is fixed to the second member 22.

レール５０は、トンネル１０の軸線方向に伸び、底部６６と該底部上の一対の側部６８と各側部から内方へ延びる鉤部７０とから成る。レール５０は、その鉤部７０で板部材４８の頂部５８に載せられ、レール５０の側部６８は板部材４８の側部５６と接している。レール５０の底部６６は、水平な中央部分７２と該中央部分から各側部まで延びる傾斜部分７４とから成り、傾斜部分７４は、中央部分７２を含む水平面と俯角を成すように傾斜している。中央部分７２にはボルト穴（第４ボルト穴）７６が設けられている。レール５０は、その側部６８と板部材４８の側部５６とを貫通するネジ７８により板部材４８に固定することができる。
The rail 50 extends in the axial direction of the tunnel 10 and includes a bottom portion 66, a pair of side portions 68 on the bottom portion, and a flange portion 70 extending inwardly from each side portion. The rail 50 is placed on the top portion 58 of the plate member 48 at the flange portion 70, and the side portion 68 of the rail 50 is in contact with the side portion 56 of the plate member 48. The bottom portion 66 of the rail 50 includes a horizontal central portion 72 and an inclined portion 74 extending from the central portion to each side portion. The inclined portion 74 is inclined to form a depression with a horizontal plane including the central portion 72. . The central portion 72 is provided with a bolt hole (fourth bolt hole) 76. The rail 50 can be fixed to the plate member 48 with screws 78 that penetrate the side portion 68 and the side portion 56 of the plate member 48.

挟持部材５２は、トンネル１０の軸線方向に伸び、水平な中央部８０と該中央部から下方へ延びる一対の垂直部８２と各垂直部から側方へ延びる傾斜部８４とを有する。中央部８０はボルト穴（第５ボルト穴）８６を有し、また、傾斜部８４はレール５０の傾斜部分７４と平行である。挟持部材５２は、その中央部８０がレール５０の中央部分７２と接するように配置されており、ボルト穴７６及びボルト穴８６を貫通するボルト８８とこれに螺合されたナット９０とによりレール５０に固定されている。挟持部材５２は、その傾斜部８４でレール５０の傾斜部分７４との間に板状体１４の端部を挟持する。
The clamping member 52 extends in the axial direction of the tunnel 10 and has a horizontal central portion 80, a pair of vertical portions 82 extending downward from the central portion, and an inclined portion 84 extending laterally from each vertical portion. The central portion 80 has a bolt hole (fifth bolt hole) 86, and the inclined portion 84 is parallel to the inclined portion 74 of the rail 50. The clamping member 52 is arranged so that the central portion 80 thereof is in contact with the central portion 72 of the rail 50, and the rail 50 includes a bolt hole 76, a bolt 88 passing through the bolt hole 86, and a nut 90 screwed into the bolt 50. It is fixed to. The clamping member 52 clamps the end portion of the plate-like body 14 between the inclined portion 84 and the inclined portion 74 of the rail 50.

図示の例において、第１部材２０又は第２部材２２をアンカーボルト１８に対してトンネル１０の周方向に移動させることにより、板状体１４の位置をトンネル１０の周方向に調節することができる。また、第２部材２２を第１部材２０に対してトンネル１０の覆工１２に垂直な方向に移動させることにより、板状体１４の位置をトンネル１０の覆工１２に垂直な方向に調節することができる。したがって、アンカーボルト１８の埋め込み位置に拘わらず、またトンネル１０の表面形状に拘わらず板状体１４を予め定められた位置に配置することができる。図示の例においては、さらに、レール５０を板部材４８に対してトンネル１０の軸線方向に移動させることにより、板状体１４の位置をトンネル１０の軸線方向に調整することができる。   In the illustrated example, the position of the plate-like body 14 can be adjusted in the circumferential direction of the tunnel 10 by moving the first member 20 or the second member 22 with respect to the anchor bolt 18 in the circumferential direction of the tunnel 10. . Further, the position of the plate-like body 14 is adjusted in a direction perpendicular to the lining 12 of the tunnel 10 by moving the second member 22 in a direction perpendicular to the lining 12 of the tunnel 10 with respect to the first member 20. be able to. Therefore, the plate-like body 14 can be arranged at a predetermined position regardless of the position where the anchor bolt 18 is embedded and regardless of the surface shape of the tunnel 10. In the illustrated example, the position of the plate-like body 14 can be adjusted in the axial direction of the tunnel 10 by moving the rail 50 with respect to the plate member 48 in the axial direction of the tunnel 10.

図示の例の他、板状体１４は固定具１６によりトンネル１０の側部に固定することができる。   In addition to the illustrated example, the plate-like body 14 can be fixed to the side portion of the tunnel 10 by a fixture 16.

また、図示の例では、レール５０が複数組のアンカーボルト１８、第１部材２０及び第２部材２２により支持されているが、これに代えて、レール５０の長手方向の中心部近傍に１組のアンカーボルト１８、第１部材２０及び第２部材２２を配置してレール５０を支持することもできる。   In the illustrated example, the rail 50 is supported by a plurality of sets of anchor bolts 18, the first member 20, and the second member 22, but instead of this, one set near the central portion in the longitudinal direction of the rail 50. The anchor bolt 18, the first member 20, and the second member 22 may be disposed to support the rail 50.

第１部材２０及び第２部材２２は、それぞれ、山形鋼から成る図示の例に代え、Ｔ形鋼のような他の形鋼、鋼板等から成るものとすることができる。   Each of the first member 20 and the second member 22 may be made of another shape steel such as a T-shaped steel, a steel plate, or the like, instead of the illustrated example made of angle steel.

また、取付手段２４は、板部材４８とレール５０と挟持部材５２とから成る図示の例に代え、例えば、第２部材２２に板状体１４を固定するボルト及びナットとすることができる。   Further, the attachment means 24 may be, for example, a bolt and a nut for fixing the plate-like body 14 to the second member 22 instead of the illustrated example including the plate member 48, the rail 50, and the clamping member 52.

本発明に係る固定具によりトンネルの覆工に固定された板状体の斜視図。The perspective view of the plate-shaped object fixed to the tunnel lining by the fixing tool which concerns on this invention. 本発明に係る固定具の正面図。The front view of the fixing tool which concerns on this invention. 本発明に係る固定具の側面図。The side view of the fixing tool which concerns on this invention. トンネルの覆工及びアンカーボルトを省略してトンネルの上方から見たときの本発明に係る固定具の斜視図。The perspective view of the fixing tool which concerns on this invention when omitting the tunnel lining and an anchor bolt and seeing from the upper direction of a tunnel.

符号の説明Explanation of symbols

１０ トンネル
１２ 覆工
１４ 板状体
１６ 固定具
１８ アンカーボルト
２０ 第１部材
２２ 第２部材
２４ 取付手段
２８、３０ 第１部材の板状部
３２ 第１ボルト穴
３４ 第２ボルト穴
３６、３８ 第２部材の板状部
４０ 第３ボルト穴
４４ ボルト
４６ ナット
４８ 板部材
５０ レール
５２ 挟持部材 DESCRIPTION OF SYMBOLS 10 Tunnel 12 Covering 14 Plate-shaped body 16 Fixing tool 18 Anchor bolt 20 1st member 22 2nd member 24 Attachment means 28, 30 Plate-shaped part of 1st member 32 1st bolt hole 34 2nd bolt hole 36, 38 1st Two-member plate-like portion 40 Third bolt hole 44 Bolt 46 Nut 48 Plate member 50 Rail 52 Holding member

Claims (3)

トンネルの覆工に板状体を固定する固定具であって、前記トンネルの覆工に埋め込まれるアンカーボルトと、該アンカーボルトにより前記トンネルの覆工に固定される第１部材と、ボルト及びナットにより前記第１部材に結合される第２部材と、該第２部材に前記板状体を取り付ける取付手段とを含み、
前記第１部材は前記アンカーボルトが貫通する第１ボルト穴と前記ボルトが貫通する第２ボルト穴とを有し、前記第２部材は、前記第２ボルト穴と相対する、前記ボルトが貫通する第３ボルト穴を有し、前記第１ボルト穴、前記第２ボルト穴及び前記第３ボルト穴の少なくとも１つはルーズ穴又は前記トンネルの周方向に細長い長穴から成り、前記第２ボルト穴及び前記第３ボルト穴の少なくとも一方はルーズ穴又は前記トンネルの覆工に垂直な方向に細長い長穴から成り、
前記取付手段は、前記第２部材に固定された板部材と、該板部材に支持され、前記トンネルの軸線方向に伸びるレールであって間隔を置かれた、相対する一対の側部と、該側部の間の底部と、各側部に設けられ、該側部から内方へ延び、前記板部材に載せられた鉤部とを有するレールと、該レールに固定され、該レールとの間に前記板状体の端部を挟持する挟持部材とを備える、固定具。 A fixing device for fixing a plate-like body to a tunnel covering, an anchor bolt embedded in the tunnel covering, a first member fixed to the tunnel covering by the anchor bolt, a bolt and a nut A second member coupled to the first member, and attachment means for attaching the plate-like body to the second member,
The first member has a first bolt hole through which the anchor bolt penetrates and a second bolt hole through which the bolt penetrates, and the second member faces the second bolt hole, and the bolt penetrates through the first member. A third bolt hole, and at least one of the first bolt hole, the second bolt hole, and the third bolt hole is a loose hole or a long hole elongated in a circumferential direction of the tunnel, and the second bolt hole And at least one of the third bolt holes comprises a loose hole or an elongated hole extending in a direction perpendicular to the tunnel lining,
The attachment means includes a plate member fixed to the second member, a pair of opposed side portions that are supported by the plate member and extend in the axial direction of the tunnel and spaced apart from each other, and A rail provided between each side portion, a rail provided on each side portion, extending inwardly from the side portion, and having a flange portion mounted on the plate member; and fixed to the rail and between the rails And a clamping member that clamps an end of the plate-like body. 前記第１部材及び前記第２部材は、それぞれ、互いに直交する２つの板状部を有する山形鋼から成り、２つの山形鋼は、全体にクランク形を呈するように一方の板状部が互いに相対するように配置され、前記第１ボルト穴及び前記第２ボルト穴はそれぞれ一方の山形鋼の他方の板状部及び一方の板状部に設けられており、前記第３ボルト穴は他方の山形鋼の一方の板状部に設けられている、請求項１に記載の固定具。   Each of the first member and the second member is made of angle steel having two plate-shaped portions orthogonal to each other, and the two angle-shaped steels have one plate-shaped portion relative to each other so as to form a crank shape as a whole. The first bolt hole and the second bolt hole are respectively provided in the other plate-like portion and one plate-like portion of one angle steel, and the third bolt hole is the other mountain-shape. The fixture according to claim 1, which is provided on one plate-like portion of steel. 前記レールの前記底部は、第４ボルト穴を有する平坦な中央部分と、該中央部分から各側部まで延び、前記中央部分に対して俯角を成すように傾斜する傾斜部分とから成り、
前記挟持部材は、第５ボルト穴を有する平坦な中央部と、それぞれが該中央部に対して垂直な、相対する一対の垂直部と、各垂直部から側方へ延び、前記レールの前記傾斜部分に平行な傾斜部とを有し、
前記挟持部材は、前記第４ボルト穴及び前記第５ボルト穴を貫通するボルトとこれに螺合されたナットとにより前記レールに固定されており、前記傾斜部で前記レールの前記傾斜部分との間に前記板状体の端部を挟持する、請求項１又は２に記載の固定具。 The bottom portion of the rail includes a flat central portion having a fourth bolt hole, and an inclined portion extending from the central portion to each side portion and inclined to form a depression angle with respect to the central portion,
The clamping member includes a flat central portion having a fifth bolt hole, a pair of opposing vertical portions, each perpendicular to the central portion, and extending laterally from each vertical portion, and the inclination of the rail An inclined part parallel to the part,
The clamping member is fixed to the rail by a bolt penetrating the fourth bolt hole and the fifth bolt hole and a nut screwed into the bolt, and the inclined portion is connected to the inclined portion of the rail. The fixture according to claim 1 or 2, wherein an end portion of the plate-like body is sandwiched therebetween.
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CN102797305A (en) * 2012-08-29 2012-11-28 雅泰实业集团有限公司 Novel aluminum plastic sound-absorption plate

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JP5308244B2 (en) * 2009-06-15 2013-10-09 東海旅客鉄道株式会社 Tunnel reinforcement structure, tunnel reinforcement structure construction method, and tunnel reinforcement structure repair method
CN109139105A (en) * 2018-08-31 2019-01-04 彭健 A kind of hangers victory assembling device and its installation method
CN110374642B (en) * 2019-08-22 2024-07-16 中国建筑土木建设有限公司 Tunnel buried type water stop clamp and construction method thereof

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JPH11182196A (en) * 1997-12-22 1999-07-06 Mitsubishi Chemical Corp Tunnel wall surface structure for cold district

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Publication number Priority date Publication date Assignee Title
CN102797305A (en) * 2012-08-29 2012-11-28 雅泰实业集团有限公司 Novel aluminum plastic sound-absorption plate
CN102797305B (en) * 2012-08-29 2015-07-22 雅泰实业集团有限公司 Novel aluminum plastic sound-absorption plate

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