JP3022310B2 - Joint material for caisson - Google Patents
Joint material for caissonInfo
- Publication number
- JP3022310B2 JP3022310B2 JP8084752A JP8475296A JP3022310B2 JP 3022310 B2 JP3022310 B2 JP 3022310B2 JP 8084752 A JP8084752 A JP 8084752A JP 8475296 A JP8475296 A JP 8475296A JP 3022310 B2 JP3022310 B2 JP 3022310B2
- Authority
- JP
- Japan
- Prior art keywords
- caisson
- main body
- joint material
- view
- inner bag
- 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 - Fee Related
Links
Landscapes
- Revetment (AREA)
Description
【0001】[0001]
【発明の属する技術分野】本発明は、堤防の造成等でコ
ンクリート製,鋼製函体であるケーソンを利用する際
に、隣接配設されたケーソンの端面間に形成される目地
に、縦方向に介設される目地材に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to the use of a concrete or steel caisson, such as a dike, for forming a dike. To a joint material to be interposed.
【0002】[0002]
【従来の技術】護岸,堤防の造成等でコンクリート函体
であるケーソンを利用する際に、隣接配設されたケーソ
ンの端面間に形成される目地に、縦方向に介設される目
地材として、特公平3−79488号公報開示のごとき
ものがある。2. Description of the Related Art When a caisson, which is a concrete box, is used for revetment, embankment construction, etc., as a joint material vertically interposed between joints formed between end faces of adjacently arranged caissons. And Japanese Patent Publication No. 3-79488.
【0003】これは、変形可能な扁平な筒体の下端を上
向きに折り込んでその端部を重合することで閉塞して底
部が拡大可能な折込部を形成したもので、その重合部は
折り込み部の上端の折り返し部をはずして折り込み部側
部としたものである。[0003] This is to form a foldable portion in which the lower end of a deformable flat cylindrical body is folded upward, and the end portion is overlapped to close the bottom portion so that the bottom portion can be enlarged. The folded portion at the upper end is removed to form a folded portion side portion.
【0004】この構成によれば、筒体内部に充填材を充
填して内部圧をかけた際に、下端部分の折込が外側に突
出して広がり、この部分の接触面積を大きくとってシー
ル部分を増大させることができる。これにより、ケーソ
ン据えつけ後に基礎及び地盤の締まり,沈下,波浪によ
る振動,ずれ,土圧による押出等により目地部の形状が
変化しても、ケーソン底部の動きに追随し、ケーソン底
部に空隙が生ずることによる浸水や埋立側の土砂等(内
部の充填物)の流出を防ぐことができる。According to this structure, when the inside of the cylindrical body is filled with the filler and the internal pressure is applied, the fold at the lower end portion protrudes outward and expands, and the contact area of this portion is increased to form the seal portion. Can be increased. As a result, even if the shape of the joint changes due to tightening, subsidence, vibration due to waves, displacement due to waves, extrusion due to earth pressure, etc. after installation of the caisson, the movement of the bottom of the caisson is followed, and a gap is formed at the bottom of the caisson. It is possible to prevent inundation and outflow of sediment and the like (filled material inside) on the landfill side due to the occurrence.
【0005】[0005]
【発明が解決しようとする課題】しかしながら、上記従
来構成では、隣接ケーソンが上下に相対変位した場合に
その目地部下部に生ずる隙間に対する追従性が不十分な
ものであった。特に、縦断面図である図16に示すよう
に、目地材4を装着した側のケーソン1が隣接するケー
ソン2に対して下側に相対変位した場合、基礎3から高
い位置では図16のC−C断面図である図17に示すよ
うに目地材4の密着は保たれるが、基礎3の近傍ではD
−D断面図である図18に示すように、上側に位置する
隣接するケーソン2の基礎3に邪魔されて底部の拡大が
規制され、その結果、隣接するケーソン2の端面2Aと
の間に空隙5が生じ、この空隙5を介してケーソン内部
への浸水や、内部充填物の流出を生ずるといった問題が
あった。However, in the above-mentioned conventional structure, the ability to follow the gap formed below the joint portion when the adjacent caissons are relatively displaced vertically is insufficient. In particular, as shown in FIG. 16 which is a vertical cross-sectional view, when the caisson 1 on which the joint material 4 is mounted is relatively displaced downward with respect to the adjacent caisson 2, C in FIG. As shown in FIG. 17, which is a cross-sectional view of FIG.
As shown in FIG. 18 which is a cross-sectional view of FIG. 18, the expansion of the bottom is restricted by the base 3 of the adjacent caisson 2 located on the upper side. 5 are generated, and there is a problem that water is infiltrated into the caisson through the gap 5 and an outflow of the internal filling occurs.
【0006】本発明は、かかる従来技術の問題点に鑑み
てなされたものであり、隣接ケーソンが上下に相対変位
した場合でも、目地下端部の形状に追従して拡大し、空
隙を生ずることのないケーソン用目地材を提供しようと
するものである。The present invention has been made in view of the above-mentioned problems of the prior art. Even when an adjacent caisson is displaced up and down relatively, the caisson expands following the shape of the underground end of the eye and creates a gap. It is intended to provide a joint material for caisson without any.
【0007】[0007]
【課題を解決するための手段】上記課題を解決するた
め、本発明に係るケーソン用目地材は、隣接配設された
ケーソンの端面間に形成される目地に、縦方向に介設さ
れる目地材であって、弾性素材によって上端に充填材充
填用の開口を有する中空状に形成された筒状本体の下端
に、袋状部材が中空部内に凹状に嵌入状態で一体に接合
されて設けられると共に、前記筒状本体の下端前側縁部
に、前記袋状部材の前側への膨出を許容する膨出許容部
が形成されて構成されていることを特徴とする。SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, a joint material for caisson according to the present invention is provided in a joint formed between end faces of adjacently arranged caissons. A bag-like member is integrally joined to a lower end of a hollow cylindrical body having an opening for filling a filler at an upper end with an elastic material in a state of being concavely fitted in the hollow portion. In addition, a swelling permitting portion for allowing the bag-shaped member to swell to the front side is formed at a front edge of a lower end of the tubular main body.
【0008】上記膨出許容部は、上記筒状本体の下端前
側縁部に形成された所定の大きさの切り欠きであること
を特徴とする。The bulging portion is a notch of a predetermined size formed at a front edge of a lower end of the cylindrical body.
【0009】また、上記膨出許容部には、上記切り欠き
を覆う保護部材が設けられ、該保護部材はその横方向へ
の変形を容易とする縦方向の折り込みが形成されて構成
されていることを特徴とする。The bulging portion is provided with a protection member for covering the notch, and the protection member is formed with a vertical fold for facilitating deformation in the horizontal direction. It is characterized by the following.
【0010】また、上記保護部材は、上記筒状本体が延
設されて構成されていることを特徴とする。[0010] Further, the protection member is characterized in that the tubular main body is extended.
【0011】[0011]
【発明の実施の形態】以下、この発明の実施の形態を図
面に基づいて詳細に説明する。図1は本発明に係るケー
ソン用目地材の一実施形態の斜視図であり、図2はその
下端部正面図、図3は下端部側面図である。Embodiments of the present invention will be described below in detail with reference to the drawings. FIG. 1 is a perspective view of one embodiment of a caisson joint material according to the present invention, FIG. 2 is a front view of a lower end portion, and FIG. 3 is a side view of a lower end portion.
【0012】図示ケーソン用目地材10は、合成ゴム又
は合成樹脂等の弾性を有する素材によって、所定板厚の
円筒がその径方向に押し潰されたような、平行に所定間
隔離れた前板11Aと背板11Bの両側部が円弧状に接
続された形状に、筒状本体としての本体部11が形成さ
れると共に、その背面側の両側に背板11Bを左右に延
長したように板状の装着フランジ12が所定幅で突設さ
れて形成されている。The joint material 10 for a caisson shown is a front plate 11A which is parallel and spaced apart by a predetermined distance such that a cylinder having a predetermined thickness is crushed in a radial direction by an elastic material such as synthetic rubber or synthetic resin. The main body 11 as a cylindrical main body is formed in a shape in which both sides of the back plate 11B are connected in an arc shape, and the back plate 11B has a plate-like shape extending left and right on both sides on the back side. The mounting flange 12 is formed so as to protrude with a predetermined width.
【0013】その長さは、ケーソンの縦方向に略等しく
設定され、装着フランジ12を介してケーソンの端面に
固定されるようになっている。筒状本体11には必要に
より補強布を埋設する。The length is set substantially equal in the longitudinal direction of the caisson, and is fixed to the end face of the caisson via the mounting flange 12. A reinforcing cloth is embedded in the tubular main body 11 as necessary.
【0014】本体部11の下端には、袋状部材としての
内袋13が、その中空部内に入り込んだ状態で接合一体
化されて設けられており、下端開口部はこの内袋13に
よって閉塞されている。At the lower end of the main body 11, an inner bag 13 as a bag-like member is provided so as to be joined and integrated into the hollow portion, and the lower end opening is closed by the inner bag 13. ing.
【0015】内袋13は、先細りで所定深さの袋状であ
って、本体部11と同様に弾性を有する素材によって形
成され、その開口縁が本体部11の下端開口縁に接合さ
れて設けられている。尚、内袋13と本体部11とは、
別体で形成した後接合しても、一体に形成しても何れで
も良い。The inner bag 13 is tapered and has a predetermined depth and is formed of a material having elasticity similarly to the main body 11, and has an opening edge joined to a lower end opening edge of the main body 11. Have been. The inner bag 13 and the main body 11 are
After being formed separately, they may be joined or integrally formed.
【0016】本体部11の前方側(隣接するケーソンに
当接する側)の下端縁部には、膨出許容部としての切り
欠き部14が形成されている。A cutout portion 14 is formed at the lower end edge of the front side of the main body portion 11 (the side that comes into contact with an adjacent caisson) as a swellable portion.
【0017】切り欠き部14は、本体部11の前面が前
板11Aの幅で長手方向には所定深さの矩形に切り欠か
れると共に内袋13も対応する形状に切り欠かれて形成
されており、本体部11と内袋13はこの切り欠き部1
4の縁部で接合されているものである。The notch 14 is formed by cutting the front surface of the main body 11 into a rectangle having a width of the front plate 11A and a predetermined depth in the longitudinal direction, and also cutting the inner bag 13 into a corresponding shape. The main body 11 and the inner bag 13
4 are joined at the edge.
【0018】上記のごとき構成のケーソン用目地材10
は、縦断面図である図4に示すようにその装着フランジ
12でケーソン1の端面に固定され、そのケーソン1と
隣接するケーソン2が所定目地間隔をおいて配設された
後、本体部11の中空部内に上端開口部から粗砂,アス
ファルトマスチック等の充填材20を充填して施工され
る。これにより、その充填材20の充填圧によって本体
部11が円形になる方向に膨出し、その前面が隣接ケー
ソン2の端面に圧接されて密着する。The joint material 10 for caisson constructed as described above.
As shown in FIG. 4 which is a longitudinal sectional view, the caisson 1 is fixed to the end face of the caisson 1 by the mounting flange 12, and the caisson 1 and the caisson 2 adjacent thereto are arranged at a predetermined joint interval. Is filled with a filler 20 such as coarse sand, asphalt mastic, or the like from the upper end opening in the hollow portion. As a result, the main body 11 bulges in a circular direction due to the filling pressure of the filler 20, and the front surface thereof is pressed against the end surface of the adjacent caisson 2 to be in close contact therewith.
【0019】また、内袋13も、図4及びそのA−A矢
視図である図5に示すように、充填材20に押圧されて
反転して本体部11の下端から下側に押し出されると共
に下端前面の切り欠き部14から前方側に膨出し、基礎
3のぐり石の上面及び隣接ケーソン2の端面に圧接され
て密着する。As shown in FIG. 4 and FIG. 5, which is a view taken along the line AA of FIG. 5, the inner bag 13 is also pressed by the filler 20 to be inverted and pushed downward from the lower end of the main body 11. At the same time, it bulges forward from the cutout portion 14 on the front surface of the lower end, and comes into pressure contact with the upper surface of the cobblestone of the foundation 3 and the end surface of the adjacent caisson 2.
【0020】施工後に、基礎及び地盤の締まり,沈下,
波浪による振動,ずれ,土圧による押出等によって、当
該目地材10が装着されたケーソン1と隣接する(目地
材10が圧接された)ケーソン2が目地幅が拡がる側に
相対変位した場合には、図6及びその平面図である図7
に示すように本体部11が充填材20の圧力によって膨
出して図8に示すように拡幅し、隙間の発生を防ぐ。目
地下端部においては、内袋13の下方への膨出は勿論、
切り欠き部14を介しての前方側への膨出によって、基
礎3との間に隙間の発生を防ぐ。ケーソン1,2の上下
方向への相対変位に対しても、切り欠き部14を介して
内袋13が前方側へ膨出することにより、基礎3の段差
に柔軟に対応して密着状態を維持することができる。こ
のため、目地の下端部に空隙が生ずることがなく、生じ
た隙間から浸水や内部の充填物が流出することを防ぐこ
とができるものである。After the construction, the foundation and ground are tightened,
When the caisson 1 adjacent to the caisson 1 to which the joint material 10 is attached (the caisson 2 to which the joint material 10 is pressed) is relatively displaced to the side where the joint width is widened due to vibration, displacement due to waves, extrusion by earth pressure, or the like. , FIG. 6 and FIG.
As shown in FIG. 8, the main body 11 expands due to the pressure of the filler 20 and widens as shown in FIG. At the basement of the eye, the inner bag 13 bulges downward, of course.
The bulging forward through the notch 14 prevents a gap from being formed between the base 3. Even when the caisson 1 and 2 are displaced in the vertical direction, the inner bag 13 bulges forward through the notch portion 14 to flexibly correspond to the step of the foundation 3 and maintain a close contact state. can do. Therefore, no gap is formed at the lower end of the joint, and it is possible to prevent flooding and outflow of the filling material from the formed gap.
【0021】また、施工前に、ケーソン1と隣接するケ
ーソン2が図6の如く相対変位した場合にも拡幅し、図
8の如くケーソン2並びに基礎3との隙間の発生を防
ぐ。Also, before construction, the caisson 1 and the caisson 2 adjacent to the caisson 2 are widened even when they are displaced relative to each other as shown in FIG. 6, thereby preventing a gap between the caisson 2 and the foundation 3 as shown in FIG.
【0022】次に、図9に全体斜視図を示す本発明の他
の実施形態を説明する。尚、上記実施形態と同機能の部
位には同符号を付し、説明を省略する。Next, another embodiment of the present invention whose overall perspective view is shown in FIG. 9 will be described. The parts having the same functions as those in the above-described embodiment are denoted by the same reference numerals, and description thereof will be omitted.
【0023】図示目地材10′は、その本体部11の下
端に前述の実施形態と同様に内袋13が設けられると共
に、本体部11は切り欠かれずに下端まで延設され、内
袋13の切り欠き13Aと対応する前方側縁部に、折込
部15が形成されて構成されている。即ち、本体部11
の下端縁は水平に形成されているが、内袋13はその前
面側下縁が上側に切り欠かれてその下縁で本体部11に
接合されており、この内袋13の切り欠き13Aの前側
に位置する本体部11に折込部15が形成されているも
のである。In the illustrated joint material 10 ', an inner bag 13 is provided at the lower end of the main body 11 similarly to the above-described embodiment, and the main body 11 is extended to the lower end without being cut off. A folded portion 15 is formed at the front side edge corresponding to the notch 13A. That is, the main body 11
The lower edge of the inner bag 13 is formed horizontally, but the lower edge of the front side of the inner bag 13 is cut out upward and joined to the main body 11 at the lower edge. The folding part 15 is formed in the main body part 11 located on the front side.
【0024】つまり、本構成では、内袋13の切り欠き
13Aと本体部11の折込部15が膨出許容部を構成す
ると共に、内袋13の切り欠き13Aの前側に位置する
本体部11の折込部15が保護部材を構成しているもの
である。That is, in the present configuration, the notch 13A of the inner bag 13 and the folded portion 15 of the main body 11 constitute a bulging-allowing portion, and the notch 13A of the main body 11 located in front of the notch 13A of the inner bag 13 is formed. The folding part 15 constitutes a protection member.
【0025】折込部15は、本体部11の前板11A部
位に、長手方向に沿う襞15Aが所定間隔で複数条形成
されて構成されている。The folded portion 15 is formed by forming a plurality of folds 15A along the longitudinal direction at predetermined intervals on the front plate 11A of the main body 11.
【0026】襞15Aは、図10にその拡大図を示すよ
うに、内側に向かう楔状の断面形状で、当該目地材10
の長手方向には内袋13の切り欠き13Aと対応する長
さであって、下端の幅及び入り込み量が最も大きく、上
方に行くに従って断面形状が小さくなるように形成され
ている。As shown in an enlarged view of FIG. 10, the fold 15A has a wedge-shaped cross section directed inward, and
Is formed in such a manner that the width of the lower end and the penetration amount are the largest and the cross-sectional shape becomes smaller as going upward.
【0027】上記構成の折込部15は、その襞15Aが
伸展することによって容易に拡径変形可能である。その
結果、内袋13の前方側への膨出を妨げることがなく、
目地部の下端に形成された隙間に対する内袋13の追従
性を損なうことがないと共に、内袋13の前面側を覆っ
て保護するように作用する。尚、内袋13の保護の観点
からは、折込部15は本体部11と連続一体でなくても
内袋13の前面を覆うことができるものであれば良く、
また、襞15Aの形状もこれに限るものではなく内袋1
3の膨出を許容することができるものであれば良いもの
である。The folded portion 15 having the above configuration can be easily expanded and deformed by expanding the fold 15A. As a result, it does not prevent the inner bag 13 from bulging forward.
It does not impair the ability of the inner bag 13 to follow the gap formed at the lower end of the joint, and acts to cover and protect the front side of the inner bag 13. In addition, from the viewpoint of protection of the inner bag 13, the folded portion 15 may be any as long as it can cover the front surface of the inner bag 13 without being continuous with the main body 11.
Further, the shape of the fold 15A is not limited to this, and the inner bag 1
What is necessary is just to be able to allow the bulging of No.3.
【0028】本構成の目地材10′も、前述の形態例と
同様に、その装着フランジ12でケーソン1の端面に固
定され、そのケーソン1と隣接するケーソン2が所定目
地間隔をおいて配設された後、縦断面図である図11に
示すように本体部11の中空部内に上端開口部から粗
砂,アスファルトマスチック等の充填材20を充填して
施工され、その充填材20の充填圧によって本体部11
が円形になる方向に膨出し、本体部11の前面が隣接ケ
ーソン2の端面に圧接されて密着する。内袋13も、図
11及びそのB−B矢視図である図12に示すように、
充填材20に押圧されることよって反転して本体部11
の下端から下側に押し出されて基礎3の上面に圧接され
て密着すると共に、前面の折込部15を前方側に押し出
して隣接ケーソン2の端面に圧接する。The joint material 10 'of this construction is also fixed to the end face of the caisson 1 by the mounting flange 12 similarly to the above-described embodiment, and the caisson 1 and the adjacent caisson 2 are arranged at a predetermined joint interval. After that, as shown in FIG. 11 which is a longitudinal sectional view, the hollow portion of the main body 11 is filled with a filler 20 such as coarse sand or asphalt mastic from the upper end opening, and the filling pressure of the filler 20 is applied. Body part 11
Bulges in the direction in which it becomes circular, and the front surface of the main body portion 11 is pressed against the end surface of the adjacent caisson 2 to come into close contact therewith. As shown in FIG. 11 and FIG.
The main body 11 is inverted by being pressed by the filler 20.
Is pushed downward from the lower end of the base 3 and pressed against the upper surface of the foundation 3, and the folded portion 15 on the front surface is pushed forward and pressed against the end surface of the adjacent caisson 2.
【0029】施工後に基礎及び地盤の締まり,沈下,波
浪による振動,ずれ,土圧による押出等により隣接する
ケーソン1,2が相対変位して目地幅が拡がった場合に
は、縦断面図である図13及びその平面図である図14
に示すように、本体部11が充填材20の圧力によって
膨出して拡幅し、縦断面図である図15に示すように隙
間の発生を防ぐ。目地下端部においては、内袋13の下
方への膨出と、切り欠き13Aを介して内袋13が前方
側への膨出することによる折込部15の拡径によって、
基礎3との間に隙間が生ずることを防ぎ、ケーソン1,
2に上下方向の相対変位が生じた場合にも、基礎3の段
差に柔軟に対応して密着状態を維持する。このため、空
隙が生ずることがなく浸水や内部の充填物の流出を防ぐ
ことができると共に、内袋13の前面が折込部15によ
って覆われているために内袋13の破損の虞がなく、耐
久性も高いものと成し得るものである。FIG. 3 is a longitudinal sectional view showing a case where the adjacent caissons 1 and 2 are relatively displaced due to tightening of the foundation and the ground, settlement of the ground, vibration due to waves, displacement, extruding due to earth pressure, etc., and the joint width is widened. FIG. 13 and FIG. 14 which is a plan view thereof.
As shown in FIG. 15, the main body 11 expands and widens due to the pressure of the filler 20 to prevent the generation of a gap as shown in FIG. At the bottom of the eye, the inner bag 13 bulges downward, and the inner bag 13 bulges forward through the notch 13A.
Prevents a gap from being formed between the foundation 3 and the caisson 1,
Even when a relative displacement in the vertical direction occurs in the base 2, the close contact state is maintained flexibly corresponding to the step of the foundation 3. For this reason, it is possible to prevent infiltration and outflow of the filling material inside without generating a gap, and there is no fear of breakage of the inner bag 13 because the front surface of the inner bag 13 is covered by the folded portion 15. The durability can be high.
【0030】また、施工前に、ケーソン1と隣接するケ
ーソン2が図13の如く、相対変位した場合にも拡幅
し、図15の如くケーソン2並びに基礎3との隙間の発
生を防ぐ。Before construction, the caisson 2 adjacent to the caisson 1 widens even when it is displaced relative to each other as shown in FIG. 13 to prevent the gap between the caisson 2 and the foundation 3 as shown in FIG.
【0031】[0031]
【発明の効果】以上説明したように、本発明に係るケー
ソン用目地材によれば、隣接ケーソンが上下に相対変位
した場合でも、下端に設けられた袋状部材が膨出許容部
を介して前方側に膨出することによって目地下端部の形
状に柔軟に対応して空隙部を生ずることがなく、浸水や
内部の充填物の流出を防ぐことができる。As described above, according to the joint material for caisson according to the present invention, even when the adjacent caissons are relatively displaced up and down, the bag-shaped member provided at the lower end is allowed to pass through the bulging allowance. By bulging forward, it is possible to flexibly correspond to the shape of the underground end portion of the eye, without forming a void portion, and it is possible to prevent flooding and outflow of the filling material inside.
【0032】また、筒上本体の下端縁部が切り欠かれて
膨出許容部が形成された構成において、切り欠きを覆う
保護部材を設けることにより、保護部材が内袋の破損を
防いで耐久性が向上する。Further, in a configuration in which the lower end edge of the upper cylinder body is cut out to form a bulging-allowed portion, by providing a protection member for covering the notch, the protection member prevents the inner bag from being damaged and is durable. The performance is improved.
【図1】本発明に係るケーソン用目地材の一実施形態の
斜視図である。FIG. 1 is a perspective view of one embodiment of a caisson joint material according to the present invention.
【図2】図1の下端部正面図である。FIG. 2 is a front view of a lower end portion of FIG. 1;
【図3】図1の下端部側面図である。FIG. 3 is a side view of a lower end portion of FIG. 1;
【図4】施工状態を示す縦断面図である。FIG. 4 is a longitudinal sectional view showing a construction state.
【図5】図4のA−A断面図である。FIG. 5 is a sectional view taken along line AA of FIG. 4;
【図6】ケーソンの変位に対する追従過程を示す縦断面
図である。FIG. 6 is a longitudinal sectional view showing a process of following a displacement of a caisson.
【図7】図6の平面図である。FIG. 7 is a plan view of FIG. 6;
【図8】ケーソンが変位した状態を示す縦断面図であ
る。FIG. 8 is a longitudinal sectional view showing a state where the caisson is displaced.
【図9】他の実施形態の斜視図である。FIG. 9 is a perspective view of another embodiment.
【図10】折込部の拡大図である。FIG. 10 is an enlarged view of a folding part.
【図11】施工状態を示す縦断面図である。FIG. 11 is a longitudinal sectional view showing a construction state.
【図12】図11のB−B断面図である。FIG. 12 is a sectional view taken along line BB of FIG. 11;
【図13】ケーソンの変位に対する追従過程を示す縦断
面図である。FIG. 13 is a longitudinal sectional view showing a process of following the displacement of the caisson.
【図14】図13の平面図である。FIG. 14 is a plan view of FIG.
【図15】ケーソンが変位した状態を示す縦断面図であ
る。FIG. 15 is a longitudinal sectional view showing a state where the caisson is displaced.
【図16】従来例のケーソン変位時における目地下端部
の縦断面図である。FIG. 16 is a longitudinal sectional view of an underground end of a conventional caisson when the caisson is displaced.
【図17】図16のC−C断面図である。FIG. 17 is a sectional view taken along the line CC in FIG. 16;
【図18】図16のD−D断面図である。18 is a sectional view taken along line DD of FIG.
1,2 ケーソン 3 基礎 10,10′ 目地材(ケーソン用目地材) 11 本体部(筒状本体) 13 内袋(袋状部材) 14 切り欠き部(膨出許容部) 15 折込部(保護部材) 1, 2 caisson 3 foundation 10, 10 'jointing material (joining material for caisson) 11 main body part (cylindrical main body) 13 inner bag (bag-like member) 14 notch part (bulging allowable part) 15 folding part (protection member) )
───────────────────────────────────────────────────── フロントページの続き (58)調査した分野(Int.Cl.7,DB名) E02B 3/16 E02D 25/00 ──────────────────────────────────────────────────続 き Continuation of front page (58) Field surveyed (Int.Cl. 7 , DB name) E02B 3/16 E02D 25/00
Claims (3)
される目地に、縦方向に介設される目地材であって、 弾性素材によって上端に充填材充填用の開口を有する中
空状に形成された筒状本体の下端に、袋状部材が中空部
内に凹状に嵌入状態で一体に接合されて設けられると共
に、前記筒状本体の下端前側縁部に、前記袋状部材の前
側への膨出を許容する膨出許容部が形成されており、該
膨出許容部は、上記筒状本体の下端前側縁部に形成され
た所定の大きさの切り欠きであることを特徴とするケー
ソン用目地材。1. A joint material vertically interposed between joints formed between end faces of caissons arranged adjacent to each other, the joint material being formed into a hollow shape having an opening for filling a filler at an upper end by an elastic material. At the lower end of the formed cylindrical main body, a bag-shaped member is integrally joined and provided in a concavely fitted state in the hollow portion, and at the front lower edge of the lower end of the cylindrical main body, the front side of the bag-shaped member is provided. A swelling permitting portion for allowing swelling is formed ,
The bulging portion is formed at a front edge of the lower end of the cylindrical body.
Characterized in that it is a notch of a predetermined size .
う保護部材が設けられ、該保護部材はその横方向への変
形を容易とする縦方向の折り込みが形成されて構成され
ていることを特徴とする請求項1に記載のケーソン用目
地材。2. The swelling permitting portion is provided with a protection member for covering the notch, and the protection member is formed with a vertical fold for facilitating the deformation in the horizontal direction. caisson for joint compound according to claim 1, characterized in that.
れて構成されていることを特徴とする請求項2に記載の
ケーソン用目地材。3. The joint material for caisson according to claim 2 , wherein the protection member is configured by extending the tubular main body.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8084752A JP3022310B2 (en) | 1996-03-13 | 1996-03-13 | Joint material for caisson |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8084752A JP3022310B2 (en) | 1996-03-13 | 1996-03-13 | Joint material for caisson |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH09242045A JPH09242045A (en) | 1997-09-16 |
JP3022310B2 true JP3022310B2 (en) | 2000-03-21 |
Family
ID=13839429
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP8084752A Expired - Fee Related JP3022310B2 (en) | 1996-03-13 | 1996-03-13 | Joint material for caisson |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP3022310B2 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105370035B (en) * | 2014-11-10 | 2017-05-24 | 耿英辉 | Manufacturing method of water-bag-type concrete-project deformation-joint water-stopping cavity film |
-
1996
- 1996-03-13 JP JP8084752A patent/JP3022310B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JPH09242045A (en) | 1997-09-16 |
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