JPH0738323Y2 - Finger joint - Google Patents
Finger jointInfo
- Publication number
- JPH0738323Y2 JPH0738323Y2 JP1990009520U JP952090U JPH0738323Y2 JP H0738323 Y2 JPH0738323 Y2 JP H0738323Y2 JP 1990009520 U JP1990009520 U JP 1990009520U JP 952090 U JP952090 U JP 952090U JP H0738323 Y2 JPH0738323 Y2 JP H0738323Y2
- Authority
- JP
- Japan
- Prior art keywords
- sealing material
- finger
- plates
- road
- elastic layer
- 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.)
- Expired - Lifetime
Links
Landscapes
- Road Paving Structures (AREA)
- Bridges Or Land Bridges (AREA)
Description
【考案の詳細な説明】 [産業上の利用分野及び考案の概要] 本考案は、高架道路等を構成する為に多数連設される道
路基盤相互を連結するフィンガージョイントに関するも
のである。DETAILED DESCRIPTION OF THE INVENTION [Industrial Application Field and Outline of the Invention] The present invention relates to a finger joint for connecting a plurality of road foundations connected to each other to construct an elevated road or the like.
本考案は、互いに咬み合う櫛歯状のフィンガープレート
の下側に充填した止水用の弾性シール材が、上記フィン
ガープレートの咬合間隙部内に隆起突出して咬み込状態
にならないようにし、これにより、上記フィンガープレ
ートの咬合間隙が収縮した際に前記弾性シール材が破損
しないようにしたものである。The present invention prevents an elastic sealing material for water stop filling below the interdigitated finger plates of a comb tooth from protruding and protruding into the occlusal gap portion of the finger plate, thereby preventing a bite state. The elastic seal member is prevented from being damaged when the occlusal gap of the finger plate is contracted.
[従来技術及び課題] 高架道路等を構成する為に連結する多数の道路基盤は季
節の移り変り等に基づく気温変化によって膨張・収縮を
繰返し、隣接する道路基盤相互の間隔は上記温度変化に
伴なって変化する。[Prior Art and Problems] Many road bases connected to form an elevated road and the like repeatedly expand and contract due to temperature changes due to seasonal changes, and the distance between adjacent road bases is accompanied by the temperature change. Change.
このことから、各道路基盤はフィンガージョイントと呼
ばれる伸縮自在な連結装置で連結されており、該フィン
ガージョイントによって、上記道路基盤の膨張・収縮に
伴なう長さ変化を吸収するようにしている。For this reason, each road base is connected by a stretchable connecting device called a finger joint, and the finger joint absorbs a change in length due to expansion and contraction of the road base.
上記フィンガージョイントとしては例えば第3図,第4
図に示す如きものがある。Examples of the finger joint are shown in FIGS.
There are some as shown in the figure.
道路基盤(1),(1)の向い合う端面に添設した腹板
(13),(13)の頂部には、咬合間隙(51)を置いて互
いに咬み合う櫛歯状のフィンガープレート(5),
(5)が設けられている。又、上記腹板(13),(13)
の下部には、棚板(12),(12)が対向突設されてお
り、これら上下に位置するフィンガープレート(5)と
棚板(12)の間には、ポリブタジエン系のゴム等から成
るシール材(4)とその下方に位置する発泡ウレタン製
のバックアップ材(3)が収容されている。又、上記シ
ール材(4)とこれの両側部に位置する腹板(13),
(13)は接着材で接着されてこれら両者が水密的に連結
された状態になっている。At the tops of the abdominal plates (13), (13) attached to the facing end faces of the road foundations (1), (1), a comb-teeth-shaped finger plate (5) that interlocks with each other with an occlusal gap (51). ),
(5) is provided. Also, the abdominal plates (13), (13)
Shelf plates (12) and (12) are provided in a lower part of the plate so as to face each other, and a polybutadiene rubber or the like is formed between the upper and lower finger plates (5) and the shelves (12). A sealing material (4) and a urethane foam backup material (3) located below the sealing material (4) are housed. Further, the sealing material (4) and the abdominal plates (13) located on both sides of the sealing material (4),
(13) is adhered with an adhesive so that both are watertightly connected.
気温上昇による道路基盤(1),(1)の膨張に伴なっ
て対向する腹板(13),(13)が互いに接近すると、該
腹板(13),(13)間に介装されたシール材(4)は圧
縮変形を受ける。すると、該シール材(4)は、その上
面がフィンガープレート(5),(5)で覆われて該シ
ール材(4)の上向き変形が抑えられていることから、
該シール材(4)は下方に隣接する柔軟なバックアップ
材(3)側に向けて変形する。又、この状態で気温が低
下して道路基盤(1),(1)が冷却収縮せしめられる
と、上記圧縮状態にあるシール材(4)及びバックアッ
プ材(3)はその弾力性によって復元して初期状態に復
帰する。When the abdominal plates (13), (13) facing each other approached each other due to the expansion of the road bases (1), (1) due to the temperature rise, they were interposed between the abdominal plates (13), (13). The sealing material (4) undergoes compressive deformation. Then, since the upper surface of the sealing material (4) is covered with the finger plates (5) and (5), upward deformation of the sealing material (4) is suppressed,
The sealing material (4) is deformed toward the soft backup material (3) side adjacent to the lower side. In this state, when the temperature drops and the road bases (1) and (1) are cooled and contracted, the sealant (4) and backup material (3) in the compressed state are restored by their elasticity. Return to the initial state.
そして、上記従来のものでは、道路上に降った雨水がフ
ィンガープレート(5),(5)の咬合間隙部(51)に
侵入した場合、該侵入水は、対向配設された腹板(1
3),(13)の間に位置するシール材(4)で止水され
て道路基盤(1),(1)の下方に漏出しない。Further, in the above-mentioned conventional one, when rainwater that has fallen on the road enters the occlusal gap portion (51) of the finger plates (5) and (5), the invaded water is absorbed by the abdominal plates (1
Water is stopped by the seal material (4) located between 3) and (13) and does not leak below the road foundations (1) and (1).
これにより、上記フィンガージョイント(A)を高架道
路等に適用した場合には、道路上に降った雨水が上記フ
ィンガージョイント(A)部分から高架下の民家等に漏
出・飛散する不都合が防止できることとなる。As a result, when the finger joint (A) is applied to an elevated road or the like, it is possible to prevent the inconvenience that rainwater that has fallen on the road leaks out and scatters from the finger joint (A) portion to a private house under the overpass. Become.
ところが、上記従来のものでは、道路基盤(1),
(1)が膨張してシール材(4)が圧縮変形を受ける
と、第5図に示すように、該シール材(4)の一部がフ
ィンガープレート(5),(5)の咬合間隙(51)内に
隆起突出して該部分に咬み込まれた状態になる。する
と、上記咬み込み状態にある隆起突出部(40)の基端部
には、フィンガープレート(5)の下縁から強い剪断力
が作用することとなり、道路基盤(1),(1)の膨張
収縮の繰返しに伴なって、上記隆起突出部(40)の基端
部に亀裂(41)が生じると言う問題があった。However, in the above conventional one, the road infrastructure (1),
When (1) expands and the seal material (4) undergoes compressive deformation, as shown in FIG. 5, a part of the seal material (4) causes the occlusal gap of the finger plates (5) and (5) ( 51) It projects into a ridge and is bitten into the part. Then, a strong shearing force acts from the lower edge of the finger plate (5) on the base end of the raised protrusion (40) in the bitten state, and the road bases (1) and (1) expand. There has been a problem that a crack (41) is generated at the base end of the raised protrusion (40) as the contraction is repeated.
本考案は係る点に鑑みて成されたもので、『道路基盤
(1),(1)の対向端面に腹板(13),(13)を各別
に添設すると共に、該腹板(13),(13)の上部には咬
合間隙部(51)を隔てた状態で互いに咬み合う櫛歯状の
フィンガープレート(5),(5)を配設し、該フィン
ガープレート(5),(5)の下方空間にシール材
(4)を充填したフィンガージョイント』において、シ
ール材(4)が圧縮変形を受けてもその上面がフィンガ
ープレート(5),(5)の咬合間隙(51)内に咬み込
まれないようにし、これにより、シール材(4)の破損
を防止することをその課題とする。The present invention has been made in view of the above-mentioned point, and "the abdominal plates (13) and (13) are separately attached to the opposing end faces of the road bases (1) and (1), and the abdominal plates (13) are attached. ), (13) are provided with comb-teeth-shaped finger plates (5), (5) which engage with each other with the occlusal gap (51) being separated from each other, and the finger plates (5), (5) ), The upper surface of the finger joint is in the occlusal gap (51) between the finger plates (5) and (5) even if the seal material (4) is compressed and deformed. It is an object to prevent the seal material (4) from being damaged by preventing it from being bitten.
[手段] 上記課題を解決する為の本考案の技術的手段は、『フィ
ンガープレート(5),(5)とシール材(4)の間
に、上面が防火膜(61)で覆われたスポンジ等の弾性層
を介装した』ことである。[Means] A technical means of the present invention for solving the above-mentioned problem is to "sponge whose upper surface is covered with a fireproof film (61) between the finger plates (5), (5) and the sealing material (4)". Interposing an elastic layer such as ".
[作用] 上記技術的手段は次のように作用する。[Operation] The above technical means operates as follows.
対向する腹板(13),(13)が接近してシール材(4)
が圧縮せしめられると、該シール材(4)の上面が部分
的に上方に盛り上がり、該盛上り部は、シール材(4)
の上方に配設されたスポンジ等の弾性層内に没入した状
態になる。即ち、シール材(4)の上面に生じる上記盛
り上がり部は、スポンジ等で形成された弾性層内に吸収
されてしまうのである。The facing abdominal plates (13), (13) approach each other and the sealing material (4)
Is compressed, the upper surface of the sealing material (4) partially bulges upward, and the bulging portion is covered with the sealing material (4).
It is in a state of being immersed in an elastic layer such as a sponge arranged above. That is, the raised portion formed on the upper surface of the sealing material (4) is absorbed in the elastic layer formed of sponge or the like.
このことから、上記シール材(4)の前記盛り上がり部
は、既述従来のもののようにフィンガープレート
(5),(5)の咬合間隙(51)に咬み込まれることは
ない。From this, the raised portion of the sealing material (4) is not caught in the occlusal gap (51) of the finger plates (5) and (5) unlike the conventional one.
スポンジ等の弾性層の上面が防火膜(61)で覆われてい
るから、道路上での車両転倒に基づく火災事故が発生し
てその炎がフィンガープレート(5),(5)の咬合間
隙部(51)に侵入しても、該炎が防火膜(61)で遮断さ
れる。Since the upper surface of the elastic layer such as sponge is covered with the fireproof film (61), a fire accident occurs due to the vehicle falling on the road, and the flame causes the flame to occlude the finger plates (5), (5). Even if it enters the (51), the flame is blocked by the fire-proof film (61).
[効果] 本考案は次の特有の効果を有する。[Effect] The present invention has the following unique effects.
シール材(4)が圧縮変形を受けてもその一部がフィン
ガープレート(5),(5)の咬合間隙(51)に咬み込
まれないから、該咬み込みによるシール材(4)の破損
が防止できその耐久性が向上する。Even if the sealing material (4) is compressed and deformed, a part of the sealing material (4) is not bitten into the occlusal gap (51) of the finger plates (5) and (5). It can be prevented and its durability is improved.
又、フィンガープレート(5),(5)の咬合間隙(5
1)に侵入した土砂等がシール材(4)に直接に接触し
ないから、この点からもシール材(4)の破損が防止で
きてその耐久性が向上する。Also, the occlusal gap (5) of the finger plates (5), (5)
Since the earth and sand that have entered the 1) do not directly contact the sealing material (4), damage to the sealing material (4) can be prevented from this point as well, and its durability is improved.
道路上で発生した火災事故に基づく炎が弾性層上面の防
火膜(61)で遮断されるから、前記弾性層やその下方の
シール材(4)等が燃焼せず火災の拡大が防止できる。Since a flame due to a fire accident that has occurred on the road is blocked by the fireproof film (61) on the upper surface of the elastic layer, the elastic layer and the sealing material (4) therebelow are not burned, and the spread of the fire can be prevented.
[実施例] 次に上記した本考案の実施例を図面に従って説明する。[Embodiment] Next, an embodiment of the present invention will be described with reference to the drawings.
第1図に示すように、本考案実施例のフィンガージョイ
ント(A)では、既述従来のものと同様に、道路基盤
(1),(1)の対向する端面部に添設された腹板(1
3),(13)とこの上下部に配設されたフィンガープレ
ート(5),(5)及び棚板(12),(12)と、これら
各部材によって包囲される空間内に装填されたシール材
(4)及びバックアップ材(3)が設けられている。As shown in FIG. 1, in the finger joint (A) of the embodiment of the present invention, as in the above-mentioned conventional one, the abdominal plates attached to the end faces of the road bases (1), (1) facing each other. (1
3), (13), finger plates (5), (5) and shelf plates (12), (12) arranged on the upper and lower parts thereof, and a seal loaded in the space surrounded by these members. A material (4) and a backup material (3) are provided.
上記シール材(4)とその上方のフィンガープレート
(5)の間には、発泡ウレタン若しくは発泡ポリエチレ
ン又はこれらと等価な弾力性を具備するスポンジ製の弾
性層(6)が介装されており、この実施例のものでは、
弾性層(6)の上面に難燃性素材から成る防火膜(61)
が形成されている。これにより、道路上での車両転倒に
基づく火災事故が発生してそ炎がフィンガープレート
(5),(5)の咬合間隙(51)に侵入しても、弾性層
(6)が容易に燃えないようにこれを保護している。An elastic layer (6) made of foamed urethane or polyethylene or a sponge having elasticity equivalent to these is interposed between the sealing material (4) and the finger plate (5) above it. In this example,
Fireproof film (61) made of flame-retardant material on the upper surface of the elastic layer (6)
Are formed. As a result, even if a fire accident occurs due to the vehicle falling on the road and the flame enters the occlusal gap (51) of the finger plates (5) and (5), the elastic layer (6) easily burns. I'm protecting this so that it doesn't exist.
尚、上記難燃性素材としては、ポリブタジエン系のゴム
にハロゲン化流動物を混入したものが採用できる。As the flame-retardant material, a material obtained by mixing a halogenated fluid with a polybutadiene rubber can be used.
次に、上記弾性層(6)の下側に充填されたシール材
(4)は、既述従来のものと同様にポリブタジエン系あ
るいはアクリルウレタン系の変形容易な軟質弾性材で形
成されており、該シール材(4)と、その両側部に位置
する腹板(13),(13)は接着材で固定されている。
又、上記シール材(4)の下方に装填されたバックアッ
プ材(3)は、上記した弾性層(6)と同様に発泡ウレ
タン若しくは発泡ポリエチレン等で形成されている。Next, the sealing material (4) filled in the lower side of the elastic layer (6) is made of a polybutadiene-based or acrylic urethane-based easily deformable soft elastic material as in the above-mentioned conventional one, The sealing material (4) and the abdominal plates (13), (13) located on both sides of the sealing material (4) are fixed by an adhesive material.
The backup material (3) loaded below the sealing material (4) is formed of urethane foam, polyethylene foam, or the like, like the elastic layer (6).
このものでは、外気温の上昇に伴なう道路基盤(1),
(1)の熱膨張が発生し、これにより、シール材(4)
が圧縮変形を受けてその上面に盛り上がり部(43)が形
成されると、第2図に示すように、シール材(4)の上
面の盛り上がり部(43)は、その上方の発泡ウレタン等
のスポンジで形成された弾性層(6)内に没入した状態
になる。これにより、上記シール材(4)の上面の変形
は弾性層(6)で吸収され、これにより、既述従来のも
ののように、シール材(4)の一部がフィンガープレー
ト(5),(5)の咬合間隙(51)間に咬み込むような
不都合が防止できる。即ち、シール材(4)の一部がフ
ィンガープレート(5),(5)の咬合間隙(51)に咬
み込んで該部分に亀裂が生じるような不都合が防止でき
る。In this one, the road infrastructure (1) associated with the rise in outside temperature,
Thermal expansion of (1) occurs, which causes the sealing material (4)
When the swelling portion (43) is formed on the upper surface of the sealing material due to compressive deformation, as shown in FIG. 2, the swelling portion (43) on the upper surface of the sealing material (4) is made of urethane foam or the like above it. It is in a state of being immersed in the elastic layer (6) formed of sponge. As a result, the deformation of the upper surface of the sealing material (4) is absorbed by the elastic layer (6), whereby a part of the sealing material (4) is separated from the finger plates (5), (as in the conventional one described above). It is possible to prevent the inconvenience of biting in the occlusal gap (51) of 5). That is, it is possible to prevent the inconvenience that a part of the sealing material (4) bites into the occlusal gap (51) between the finger plates (5) and (5) and a crack is generated in the part.
尚、上記実施例では、弾性層(6)を発泡ウレタン等の
スポンジで構成したが、シール材(4)の変形を吸収で
きる素材であれば良いことは言うまでもない。Although the elastic layer (6) is made of sponge such as urethane foam in the above embodiment, it goes without saying that any material can be used as long as it can absorb the deformation of the sealing material (4).
第1図は本考案実施例の断面図,第2図はシール材
(4)等が圧縮変形を受けた状態を示す断面図,第3図
〜第5図は従来例の説明図であり、図中、 (1)……道路基盤 (4)……シール材 (5)……フィンガープレート (6)……弾性層 (13)……腹板FIG. 1 is a cross-sectional view of an embodiment of the present invention, FIG. 2 is a cross-sectional view showing a state in which a sealing material (4) and the like have undergone compressive deformation, and FIGS. 3 to 5 are explanatory views of a conventional example. In the figure, (1) …… Road base (4) …… Seal material (5) …… Finger plate (6) …… Elastic layer (13) …… Belly plate
Claims (1)
(13),(13)を各別に添設すると共に、該腹板(1
3),(13)の上部には咬合間隙部(51)を隔てた状態
で互いに咬み合う櫛歯状のフィンガープレート(5),
(5)を配設し、該フィンガープレート(5),(5)
の下方空間にシール材(4)を充填したフィンガージョ
イントにおいて、フィンガープレート(5),(5)と
シール材(4)の間に、上面が防火膜(61)で覆われた
スポンジ等の弾性層を介装したフィンガージョイント。A belly plate (13), (13) is separately attached to the opposite end faces of the road base (1), (1), and the belly plate (1) is attached.
3), the upper part of (13), comb-shaped finger plates (5) that bite each other with an occlusal gap (51) in between,
(5) is provided, and the finger plates (5), (5)
In the finger joint in which the seal material (4) is filled in the space below the space between the finger plates (5) and (5) and the seal material (4), the elasticity of sponge or the like whose upper surface is covered with the fire protection film (61). Finger joint with layers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990009520U JPH0738323Y2 (en) | 1990-01-31 | 1990-01-31 | Finger joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990009520U JPH0738323Y2 (en) | 1990-01-31 | 1990-01-31 | Finger joint |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH03103307U JPH03103307U (en) | 1991-10-28 |
| JPH0738323Y2 true JPH0738323Y2 (en) | 1995-08-30 |
Family
ID=31513119
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990009520U Expired - Lifetime JPH0738323Y2 (en) | 1990-01-31 | 1990-01-31 | Finger joint |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0738323Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102773053B1 (en) * | 2024-05-29 | 2025-02-26 | 미래이에스씨 주식회사 | Expansion Joint Apparatus to prevent contamination from entering |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4556203B2 (en) * | 2001-03-02 | 2010-10-06 | ニッタ株式会社 | Water stoppage material |
| JP2014218819A (en) * | 2013-05-08 | 2014-11-20 | ショーボンド建設株式会社 | Noise reduction structure of load bearing-type steel expansion device and its construction method |
| JP6275532B2 (en) * | 2014-04-09 | 2018-02-07 | 旭化工株式会社 | Non-combustible, heat-insulating, elastic stretch protective material |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60165511U (en) * | 1984-04-10 | 1985-11-02 | ニツタ株式会社 | Expanding device for road bridges |
| JPS61125509U (en) * | 1985-01-21 | 1986-08-07 |
-
1990
- 1990-01-31 JP JP1990009520U patent/JPH0738323Y2/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102773053B1 (en) * | 2024-05-29 | 2025-02-26 | 미래이에스씨 주식회사 | Expansion Joint Apparatus to prevent contamination from entering |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH03103307U (en) | 1991-10-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4195850A (en) | Gasket strip for butt joint compression seal | |
| CN111042447B (en) | Roof deformation joint structure and construction method thereof | |
| US1122866A (en) | Expansion and contraction joint. | |
| JP2689079B2 (en) | Water-stopping material for playground | |
| US5452558A (en) | Method for permanently repairing and sealing roofs | |
| CN206844350U (en) | A kind of waterproof construction at building structure expansion joint | |
| JP3739634B2 (en) | Water stop for road play | |
| CN114737685B (en) | Wall deformation joint waterproof treatment structure and treatment method | |
| US3767311A (en) | Roadbed joint seal | |
| JP2003253610A (en) | Water cut-off body for expansion gap of road | |
| JP2574710Y2 (en) | Vertical joint sealing structure for wall panels | |
| JP2592120B2 (en) | How to seal underwater joints | |
| SU142751A1 (en) | The method of isolating the seams of the roof of large-panel coatings of unexploited combined roofs | |
| JP2867294B2 (en) | Road bridge telescopic structure | |
| JP2013163971A (en) | Finger joint | |
| CN112065085A (en) | Temporary protective device for building expansion joints | |
| JPH09296573A (en) | Waterproofing devices for flat roofs, etc. | |
| JP2525900Y2 (en) | Rubbery elastic paving material | |
| JP3993878B2 (en) | Water stoppage material | |
| JP6261893B2 (en) | Water stoppage material | |
| JPH0421364Y2 (en) | ||
| JP2009068268A (en) | Water stoppage material | |
| JPS6347500A (en) | Joint section for shield segment | |
| JPH037441Y2 (en) | ||
| JPS6117148Y2 (en) |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| S531 | Written request for registration of change of domicile |
Free format text: JAPANESE INTERMEDIATE CODE: R323531 |
|
| R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| EXPY | Cancellation because of completion of term |