JPH0330405Y2 - - Google Patents
Info
- Publication number
- JPH0330405Y2 JPH0330405Y2 JP3899186U JP3899186U JPH0330405Y2 JP H0330405 Y2 JPH0330405 Y2 JP H0330405Y2 JP 3899186 U JP3899186 U JP 3899186U JP 3899186 U JP3899186 U JP 3899186U JP H0330405 Y2 JPH0330405 Y2 JP H0330405Y2
- Authority
- JP
- Japan
- Prior art keywords
- fitting
- expansion joint
- fixing
- joint member
- resin concrete
- 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
Links
- 229920005989 resin Polymers 0.000 claims description 12
- 239000011347 resin Substances 0.000 claims description 12
- 229920001971 elastomer Polymers 0.000 claims description 8
- 239000000853 adhesive Substances 0.000 claims description 7
- 230000001070 adhesive effect Effects 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 3
- 230000008602 contraction Effects 0.000 claims 1
- 239000002184 metal Substances 0.000 description 7
- 239000004570 mortar (masonry) Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 3
- 239000011230 binding agent Substances 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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〕
この考案は、伸縮継手装置に関するものであ
り、一層詳細には、道路橋などの構造物の伸縮継
手装置に関するものである。[Detailed Description of the Invention] [Industrial Field of Application] This invention relates to an expansion joint device, and more specifically, to an expansion joint device for structures such as road bridges.
従来より、道路橋においては橋の温度変化、コ
ンクリートのクリープおよび乾燥収縮、繰返し荷
重などが原因となる桁端の変位を吸収する手段と
して伸縮継手装置が広く使用されている。
Conventionally, expansion joint devices have been widely used in road bridges as means for absorbing displacement of girder ends caused by temperature changes in the bridge, creep and drying shrinkage of concrete, repeated loads, and the like.
ところで、この種の伸縮継手装置は遊間を介し
て対向する床板の縁部に固定金具をアンカー筋等
の手段により夫々定着配置し、各固定金具の対向
面に開口部から内部に向かつて拡大する逆楔状の
凹溝を設け、一方ゴム等を素材とする可撓性伸縮
目地部材の両側縁に前記凹溝と内接するような膨
出状嵌合部を形成してこれらの膨出状嵌合部を各
固定金具の凹溝に嵌着することにより構成されて
いるが、固定金具がアンカー手段により床板にし
つかり定着されているため手直工事に際してはつ
り作業などを行うなど膨大な時間と費用を必要と
するだけでなく、固定金具と可撓性伸縮目地部材
との連結部分が剥離するなどして損傷し易いとい
う問題点を有していた。 By the way, in this type of expansion joint device, the fixing fittings are fixed to the edges of the floorboards facing each other with a gap between them, and the fixing fittings are fixed to the edges of the floorboards facing each other through the gaps, and the fixing fittings are expanded inward from the openings on the opposing surfaces of the fixing fittings. A reverse wedge-shaped concave groove is provided, and a bulge-shaped fitting portion is formed on both sides of a flexible elastic joint member made of rubber or the like so as to be inscribed with the groove, and these bulge-shaped fitting parts are formed. The structure is constructed by fitting the parts into the grooves of each fixing metal fitting, but since the fixing metal fittings are fixed to the floorboard by anchor means, it takes a huge amount of time and money to carry out rework work such as chiseling. In addition to this, there is a problem in that the connecting portion between the fixing fitting and the flexible expansion joint member is easily damaged due to peeling.
そこで、この考案では前述の問題点を解決する
ために、各固定金具を樹脂コンクリートを介して
床板に定着し、一方、可撓性伸縮目地部材に形成
した膨出状嵌合部内に空隙を設けてこの空隙に形
状保持材を充填し、さらに前記可撓性伸縮目地部
材と固定金具との接触面を接着剤を介して取着保
持することにより手直工事の容易化および可撓性
伸縮目地部材と固定金具との連結部分の増強を図
るようにしたものである。
Therefore, in this invention, in order to solve the above-mentioned problems, each fixing metal fitting is fixed to the floorboard through resin concrete, and at the same time, a gap is provided in the bulge-shaped fitting part formed in the flexible expansion joint member. By filling the gap of the lever with a shape-retaining material and further attaching and holding the contact surface between the flexible expansion joint member and the fixing metal via an adhesive, it is possible to facilitate rework and create a flexible expansion joint. This is intended to strengthen the connecting portion between the member and the fixture.
この場合、液状ゴムを含む結合材を使用した樹
脂コンクリートを使用すれば伸縮性、付着性の向
上および施工の容易化等を図ることが可能となり
好適である。 In this case, it is preferable to use resin concrete using a binder containing liquid rubber, as this can improve elasticity, adhesion, and facilitate construction.
この考案に係る伸縮継手装置では、固定金具は
樹脂コンクリートの付着力により床板に定着保持
され、また可撓性伸縮目地部材と固定金具とは形
状保持された膨出状嵌合部と逆楔状の凹溝との係
合および可撓性伸縮目地部材と固定金具との接触
面の接着により強固に保持されるものである。
In the expansion joint device according to this invention, the fixing fitting is fixed and held on the floorboard by the adhesive force of the resin concrete, and the flexible expansion joint member and the fixing fitting have a shape-retained bulge-shaped fitting part and an inverted wedge-shaped part. It is firmly held by engagement with the groove and adhesion of the contact surface between the flexible expansion joint member and the fixing fitting.
次に、本考案に係る伸縮継手装置の好適な実施
例につき、添付図面を参照しながら以下詳細に説
明する。
Next, preferred embodiments of the expansion joint device according to the present invention will be described in detail below with reference to the accompanying drawings.
添付図面において、本考案に係る伸縮継手装置
は、所定の遊間ａを介して対向する床板１０，１
２上にエラストマー系のモルタル層１４を設け、
このモルタル層１４の所定位置に固定金具１６
ａ，１６ｂを対向配置すると共にこれらの固定金
具１６ａ，１６ｂを樹脂コンクリート１８を介し
て該床板１０，１２に定着し、固定金具１６ａ，
１６ｂの対向する面にその開口部から内部に向か
つて拡大する逆楔状の凹溝２０ａ，２０ｂを設
け、一方ゴムなどを素材とする可撓性伸縮目地部
材２２の両側縁に前記凹溝２０と内接するように
形成した膨出状嵌合部２４ａ，２４ｂを設け、こ
れらの膨出状嵌合部２４ａ，２４ｂを前記固定金
具１６ａ，１６ｂの凹溝２０ａ，２０ｂに嵌着す
ることにより構成されている。 In the accompanying drawings, the expansion joint device according to the present invention has floorboards 10 and 1 facing each other with a predetermined clearance a therebetween.
An elastomer-based mortar layer 14 is provided on 2,
A fixing fitting 16 is attached to a predetermined position of this mortar layer 14.
a, 16b are arranged facing each other, and these fixing fittings 16a, 16b are fixed to the floorboards 10, 12 via resin concrete 18, and the fixing fittings 16a,
16b are provided with grooves 20a and 20b in the form of a reverse wedge that expands inward from the opening thereof, and grooves 20 and 20b are provided on both side edges of a flexible elastic joint member 22 made of rubber or the like. It is constructed by providing bulging fitting parts 24a, 24b formed so as to be inscribed therein, and fitting these bulging fitting parts 24a, 24b into the grooves 20a, 20b of the fixing fittings 16a, 16b. ing.
すなわち、各固定金具１６ａ，１６ｂはモルタ
ル層１４上において各床板の対向面よりも若干内
方に偏倚した位置でしかもその上面が舗装面Ｂと
略同一面上に位置するように対向配置すると共
に、例えば、エポキシレジンの他に所定量の液状
ゴムを含む結合材を使用して伸縮性、耐曲げ疲労
性、付着性および連硬化性を向上させた樹脂コン
クリート（商品名；エラストメリツト、川田工業
(株)製）で床板１０，１２上に定着保持する。な
お、この場合、各固定金具１６ａ，１６ｂの背面
には鉄筋を組んで形成したアンカー手段２５を付
設して樹脂コンクリート１８と一体化させるのが
好ましい。 That is, the fixing fittings 16a and 16b are arranged facing each other on the mortar layer 14 at a position that is slightly offset inward from the opposing surface of each floorboard, and in such a way that their upper surfaces are located substantially on the same plane as the pavement surface B. For example, resin concrete (trade name: Elastomerits, Kawada Kogyo) uses a binder containing a predetermined amount of liquid rubber in addition to epoxy resin to improve elasticity, bending fatigue resistance, adhesion, and continuous hardening.
Co., Ltd.) and fixed and held on the floorboards 10 and 12. In this case, it is preferable that anchor means 25 formed by assembling reinforcing bars be attached to the back surface of each of the fixing fittings 16a, 16b and integrated with the resin concrete 18.
一方、可撓性伸縮目地部材２２の膨出状嵌合部
２４ａ，２４ｂには空隙２６，２６を夫々形成し
てこれらの空隙２６，２６内に、例えば、モルタ
ル等の形状保持材２８を充填して各逆楔状凹溝２
０ａ，２０ｂに対する嵌合状態を確実に保持する
と共に前記目地部材２２と各固定金具１６ａ，１
６ｂとの接触面Ｃを接着剤３０により接着する。 On the other hand, gaps 26 and 26 are formed in the bulging fitting parts 24a and 24b of the flexible expansion joint member 22, respectively, and these gaps 26 and 26 are filled with a shape-retaining material 28 such as mortar. and each reverse wedge-shaped groove 2
0a, 20b, and the joint member 22 and each fixing metal fitting 16a, 1
The contact surface C with 6b is bonded with adhesive 30.
また、目地部材２２とモルタル層１４との接触
面ｄには潤滑油等を塗布し、さらに互いに隣接す
る固定金具１６ａ，１６a′および１６ｂ，１６
b′の連結部には止水ゴム３２を介挿して雨水の侵
入を阻止するように構成する。 Further, lubricating oil or the like is applied to the contact surface d between the joint member 22 and the mortar layer 14, and furthermore, the fixing fittings 16a, 16a' and 16b, 16 adjacent to each other are
A waterproof rubber 32 is inserted in the connecting portion b' to prevent rainwater from entering.
このように構成される本考案に係る伸縮継手装
置によれば、床板端部における変位はモルタル層
１４、樹脂コンクリート１８および固定金具１６
を介して可撓性伸縮目地部材２２に伝達され、こ
の目地部材２２の変形により吸収されるものであ
るが、該目地部材２２と固定金具１６とは逆楔状
凹溝２０に嵌合されかつ形状保持された膨出状嵌
合部２４および接着剤３０とにより強固に保持さ
れているので変形時における剥離を防止でき、従
つて、損傷等の不都合を阻止できる。なお、永年
使用により目地部材２２が損傷した場合は、この
損傷目地部材２２を取り外して新たな目地部材の
膨出状嵌合部２４ａ，２４ｂを変形させながら逆
楔状凹溝２０ａ，２０ｂに挿着した後空隙２６に
形状保持材２８を充填すると共にこの目地部材と
固定金具との接触面を接着剤で接着すればよく、
さらには固定金具１６の補修ないしは取り替えに
際しては樹脂コンクリート１８のみを除去して手
直工事をすればよい。 According to the expansion joint device according to the present invention configured as described above, the displacement at the end of the floor plate is reduced by the mortar layer 14, the resin concrete 18, and the fixing metal fittings 16.
The joint member 22 and the fixing fitting 16 are fitted into the inverted wedge-shaped recessed groove 20, and are absorbed by the deformation of the joint member 22. Since it is firmly held by the held bulging fitting portion 24 and the adhesive 30, it is possible to prevent peeling during deformation, and therefore to prevent problems such as damage. If the joint member 22 is damaged due to long-term use, remove the damaged joint member 22 and insert a new joint member into the reverse wedge-shaped grooves 20a, 20b while deforming the bulging fitting parts 24a, 24b. After that, the gap 26 is filled with the shape retaining material 28, and the contact surface between the joint member and the fixing fittings is bonded with adhesive.
Furthermore, when repairing or replacing the fixture 16, only the resin concrete 18 needs to be removed and rework performed.
先に述べたように、本考案に係る伸縮継手装置
によれば、可撓性伸縮目地部材と固定金具との連
結部分の強度を向上させることができるので損傷
等の不都合を可及的に阻止できるだけでなく、手
直工事も床板のはつり作業等をする必要がないの
で容易化することができる等種々の利点を有しそ
の実用的効果は極めて大きい。
As mentioned above, according to the expansion joint device according to the present invention, it is possible to improve the strength of the connecting portion between the flexible expansion joint member and the fixing fitting, so that inconveniences such as damage can be prevented as much as possible. In addition, it has various advantages such as being able to simplify rework work since there is no need to chisel the floorboards, etc., and its practical effects are extremely large.
以上、本考案に係る伸縮継手装置の好適な実施
例につき説明したが、本考案はこの実施例に限定
されるものではなく、例えば、床板とモルタル層
あるいは樹脂コンクリートとの付着力を増大させ
るためチツピングを施したりする等本考案の精神
を逸脱しない範囲内において種々の改変をなし得
ることは勿論である。 Although the preferred embodiment of the expansion joint device according to the present invention has been described above, the present invention is not limited to this embodiment. Of course, various modifications such as chipping can be made without departing from the spirit of the present invention.
第１図は本考案に係る伸縮継手装置の好適な実
施例を示す一部切欠平面図、第２図は第１図の
−線断面説明図である。
１０，１２……床板、１４……モルタル層、１
６……固定金具、１８……樹脂コンクリート、２
０……逆楔状凹溝、２２……目地部材、２４……
膨出状嵌合部、２６……空隙、２８……形状保持
材、３０……接着剤、３２……止水ゴム。
FIG. 1 is a partially cutaway plan view showing a preferred embodiment of the expansion joint device according to the present invention, and FIG. 2 is an explanatory cross-sectional view taken along the line -- in FIG. 1. 10, 12... Floor board, 14... Mortar layer, 1
6...Fixing metal fittings, 18...Resin concrete, 2
0... Reverse wedge-shaped groove, 22... Joint member, 24...
Bulging fitting portion, 26...Gap, 28...Shape retaining material, 30...Adhesive, 32...Water stop rubber.
Claims (1)
定金具を夫々設置するとともに各固定金具の対
向面に開口部から内部に向かつて拡大する逆楔
状の凹溝を設け、一方可撓性伸縮目地部材の両
側縁に前記凹溝と内接するような膨出状嵌合部
を形成し、これらの膨出状嵌合部を各固定金具
の凹溝に嵌着してなる伸縮継手装置において、
各固定金具を樹脂コンクリートを介して床板に
定着し、可撓性伸縮目地部材に形成した膨出状
嵌合部内に空隙を設けてこの空隙に形状保持材
を充填し、さらに前記可撓性伸縮目地部材と固
定金具との接触面を接着剤を介して取着保持す
ることを特徴とする伸縮継手装置。 (2) 樹脂コンクリートは、液状ゴムを含む結合材
を使用した樹脂コンクリートを使用することか
らなる実用新案登録請求の範囲第１項記載の伸
縮継手装置。[Scope of Claim for Utility Model Registration] (1) Fixing fittings are installed on the edges of the floorboards facing each other with a predetermined gap in between, and a reverse wedge-like shape is provided on the opposing surface of each fixing fitting that expands from the opening toward the inside. A concave groove is provided, and protruding fitting portions are formed on both side edges of the flexible expansion joint member to be inscribed with the concave groove, and these protruding fitting portions are inserted into the concave grooves of each fixing fitting. In an expansion joint device formed by fitting,
Each fixing fitting is fixed to the floorboard via resin concrete, a gap is provided in the bulge-shaped fitting part formed in the flexible expansion joint member, this gap is filled with a shape-retaining material, and the flexible expansion and contraction An expansion joint device characterized in that a contact surface between a joint member and a fixture is attached and held via an adhesive. (2) The expansion joint device according to claim 1, wherein the resin concrete is a resin concrete using a binding material containing liquid rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3899186U JPH0330405Y2 (en) | 1986-03-19 | 1986-03-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3899186U JPH0330405Y2 (en) | 1986-03-19 | 1986-03-19 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62154010U JPS62154010U (en) | 1987-09-30 |
| JPH0330405Y2 true JPH0330405Y2 (en) | 1991-06-27 |
Family
ID=30851746
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3899186U Expired JPH0330405Y2 (en) | 1986-03-19 | 1986-03-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0330405Y2 (en) |
-
1986
- 1986-03-19 JP JP3899186U patent/JPH0330405Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS62154010U (en) | 1987-09-30 |
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