JPH03290530A - Method for heightening manhole iron cover - Google Patents
Method for heightening manhole iron coverInfo
- Publication number
- JPH03290530A JPH03290530A JP2093319A JP9331990A JPH03290530A JP H03290530 A JPH03290530 A JP H03290530A JP 2093319 A JP2093319 A JP 2093319A JP 9331990 A JP9331990 A JP 9331990A JP H03290530 A JPH03290530 A JP H03290530A
- Authority
- JP
- Japan
- Prior art keywords
- iron cover
- manhole
- cover
- manhole iron
- adhesive
- 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.)
- Pending
Links
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 118
- 229910052742 iron Inorganic materials 0.000 title claims abstract description 59
- 238000000034 method Methods 0.000 title claims description 13
- 239000000853 adhesive Substances 0.000 claims abstract description 20
- 230000001070 adhesive effect Effects 0.000 claims abstract description 20
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 17
- 239000000463 material Substances 0.000 claims abstract description 15
- 239000010426 asphalt Substances 0.000 claims abstract description 8
- 239000004576 sand Substances 0.000 claims abstract description 7
- 239000011230 binding agent Substances 0.000 claims abstract description 6
- 239000000049 pigment Substances 0.000 claims abstract description 5
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 5
- 238000004040 coloring Methods 0.000 claims abstract description 3
- 239000011347 resin Substances 0.000 claims abstract 2
- 229920005989 resin Polymers 0.000 claims abstract 2
- 239000003795 chemical substances by application Substances 0.000 claims description 11
- 238000002156 mixing Methods 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 6
- 239000000203 mixture Substances 0.000 abstract description 4
- 238000000465 moulding Methods 0.000 abstract 2
- 239000004570 mortar (masonry) Substances 0.000 description 6
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 5
- 238000005266 casting Methods 0.000 description 4
- 239000006260 foam Substances 0.000 description 4
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- UOCLXMDMGBRAIB-UHFFFAOYSA-N 1,1,1-trichloroethane Chemical compound CC(Cl)(Cl)Cl UOCLXMDMGBRAIB-UHFFFAOYSA-N 0.000 description 2
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 description 2
- 239000003522 acrylic cement Substances 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000003028 elevating effect Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 230000001965 increasing effect Effects 0.000 description 2
- 239000002932 luster Substances 0.000 description 2
- 239000002075 main ingredient Substances 0.000 description 2
- 239000002390 adhesive tape Substances 0.000 description 1
- 239000002989 correction material Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000004848 polyfunctional curative Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
Landscapes
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
Abstract
Description
【発明の詳細な説明】
［産業上の利用分野］
本発明は、道路舗装材と同等の摩擦性能を有する注型品
を使用してマンホール鉄蓋を簡単に嵩上げする方法に関
する。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a method for easily raising the height of a manhole cover using a cast product having friction performance equivalent to that of road paving material.
［従来の技術］
積雪地域では、冬期に自動車がスパイクタイヤ等を取り
付けて走行するので、道路におけるマンホール鉄蓋周辺
部の舗装材が短期間に摩耗する。[Prior Art] In snowy regions, cars drive on spiked tires during the winter, so the paving materials around manhole covers on roads wear out in a short period of time.
そのため、春先になるとその道路に補修舗装が施される
が、その補修舗装面がマンホール鉄蓋土面に比べて数Ｃ
ｌＴｌ〜１０ｃＴＩｌ程度高くなり、道路上に段差が発
生する場合がある。Therefore, in early spring, the road is repaired and paved, but the surface of the repaired paved surface is several centimeters compared to the surface of the manhole cover soil.
It may become higher by about 1Tl to 10cTIl, and a step may occur on the road.
このため、都市部においては歩行者か空足を踏んで転倒
事故を起こす危険性かあり、また、山間部の舗装道路に
おいては、自転車、バイツ、自動車等がマンホール鉄蓋
上を高速走行すると、大きくバウンドして、転倒事故を
引き起こすことがある。For this reason, in urban areas, there is a risk of pedestrians stepping on empty feet and causing accidents, and on paved roads in mountainous areas, when bicycles, bikers, cars, etc. run at high speed over manhole covers, It may bounce significantly and cause a fall accident.
このようなことから従来では、マンホール鉄蓋を所定の
高さ位置まで嵩上げする工事を行い、安全を図っている
。For this reason, conventional work has been carried out to raise the manhole iron cover to a predetermined height to ensure safety.
従来のこのマンホール鉄蓋の嵩上げ方法は、その嵩上げ
調整が８ｃｍ未満の場合でも、次のようにして行ってい
る（第３図参照）。The conventional method for raising the height of this manhole iron cover, even when the height adjustment is less than 8 cm, is carried out as follows (see Figure 3).
■、マンホール鉄蓋１の周辺部の舗装材２をつるはし、
コンクリートカッタ、コンクリートブレーカ等の工具類
で掘削し除去する。■ Pick up the paving material 2 around the manhole cover 1,
Excavate and remove with tools such as concrete cutters and concrete breakers.
■３次に、縁コンクリート３、板巻ブロック４間の砂、
モルタルを除去する。■Thirdly, the edge concrete 3, the sand between the rolled board blocks 4,
Remove mortar.
■１次に、マンホール鉄蓋１と鉄蓋受枠固定ボルト５を
取り外してから、鉄蓋受枠６を取り外して、清掃する。(1) Next, remove the manhole iron cover 1 and the iron cover receiving frame fixing bolts 5, and then remove the iron cover receiving frame 6 and clean it.
■、この後、鉄蓋受枠固定ボルト５を築造ブロック７に
取り付け、受枠レベル調整モルタル８を敷きならして、
嵩上げ高さを調整・設定する。■After this, attach the iron lid receiver frame fixing bolts 5 to the construction block 7, spread the receiver frame level adjustment mortar 8,
Adjust and set the raised height.
■０次に、受枠レベル調整モルタル８の上に鉄蓋受枠６
を取り付け、縁コンクリート３と板巻ブロック４との空
隙部にモルタルを充填して固定する。■0 Next, place the iron lid receiver frame 6 on the receiver frame level adjustment mortar 8.
are attached, and the gap between the edge concrete 3 and the plate-wound block 4 is filled with mortar and fixed.
■、最後に、マンホール鉄蓋１を鉄蓋受枠６に据え付け
、その鉄蓋受枠６の周辺部の掘削箇所を補修舗装する。(2) Finally, the manhole iron cover 1 is installed on the iron cover receiving frame 6, and the excavated area around the iron cover receiving frame 6 is repaired and paved.
［発明が解決しようとする課題］
このような方法によって嵩上げ調整を行っているため、
従来では、その工事中に道路の占有面積を広く必要とし
、また工事期間が長くかかり、更に工事費も高くつくと
いう問題があった。[Problem to be solved by the invention] Since the height is adjusted by such a method,
Conventionally, there have been problems in that the construction requires a large area of the road, takes a long time, and is expensive.
本発明はこのような点に鑑みてなされたものであり、そ
の目的は、鉄蓋受枠の周辺部の舗装材を掘削することな
く、簡単にマンホール鉄蓋の嵩上げができるようにした
嵩上げ方法を提供することである。The present invention has been made in view of these points, and its purpose is to provide a method for raising the height of a manhole iron cover easily without excavating the paving material around the iron cover frame. It is to provide.
［課題を解決するための手段］
本発明は、マンホール鉄蓋表面の汚れを除去した後その
表面にアスファルト、コンクリート等の道路舗装材と同
等の摩擦性能を有する樹脂バインダ成分に骨材、珪砂、
着色顔料等を配合して硬化剤で注型硬化させた所定形状
寸法の注型品をマンホール鉄蓋表面に接着剤で固定一体
化してマンホール鉄蓋を嵩上げする方法に特徴を有する
。[Means for Solving the Problems] The present invention provides that after removing dirt from the surface of a manhole iron cover, aggregate, silica sand,
The method is characterized by a method of raising the height of a manhole iron cover by fixing and integrating a cast product of a predetermined shape and size with an adhesive on the surface of the manhole iron cover, which is made by blending a colored pigment and the like and casting and curing it with a hardening agent.
また本発明においては、上記注型品の外形寸法を上記マ
ンホール鉄蓋の外形寸法より大きくすることができる。Further, in the present invention, the external dimensions of the cast product can be made larger than the external dimensions of the manhole iron cover.
［実施例コ
以下、本発明の実施例について説明する。第１図はその
一実施例の説明のための図である。第３図で説明したも
のと同一のものには同一の符号を付した。以下、その嵩
上げ方法を説明する。[Examples] Examples of the present invention will be described below. FIG. 1 is a diagram for explaining one embodiment. Components that are the same as those explained in FIG. 3 are given the same reference numerals. The method for increasing the height will be explained below.
■、まず、マンホール鉄蓋１の表面には、錆が発生し、
また舗装素材やタイヤ摩耗物の付着による汚れがあるの
で、それら錆、汚れ等をディスクサンダ、ワイヤブラシ
等で金属光沢が露出するまで研磨してから、トリクロロ
エタンで油脂分や錆粉等を拭き取って清掃する。■First, rust occurs on the surface of the manhole iron cover 1.
In addition, there is dirt due to adhesion of pavement materials and tire wear, so sand the rust, dirt, etc. with a disc sander, wire brush, etc. until a metallic luster is exposed, and then wipe off the oil, fat, rust powder, etc. with trichloroethane. to clean up.
■１次に、マンホール鉄蓋１の鍵穴１ａをガムテープで
目張りし、またマンホール鉄蓋１と鉄蓋受枠６との隙間
上に鉄蓋受枠６の外周端より鉄蓋１側に約３５ｍｍ幅で
ガムテープ（図示せず）を目張りして、予め接着剤の流
入の防止対策を施す。■1Next, cover the keyhole 1a of the manhole iron cover 1 with adhesive tape, and also tape a gap of about 35 mm from the outer peripheral edge of the iron cover support frame 6 to the iron cover 1 side over the gap between the manhole iron cover 1 and the iron cover frame 6. Cover with packing tape (not shown) to prevent the adhesive from flowing in in advance.
■１次に、接着剤９としてのアクリル系接着剤の主剤、
硬化剤、骨材からなる接着剤成分を攪拌混合して、これ
をマンホール鉄蓋１の上面（接着面）全面にヘラやコテ
でその厚さが約１ｍｍでほぼ均一となるように塗布する
。■First, the main ingredient of the acrylic adhesive as the adhesive 9,
The adhesive components consisting of a curing agent and aggregate are stirred and mixed and applied to the entire upper surface (adhesive surface) of the manhole iron cover 1 using a spatula or a trowel so that the thickness is approximately 1 mm and is approximately uniform.
■、この後、マンホール鉄蓋１（直径９２２ｍｍφ）の
外周寸法と同一外周寸法で２０ｍｍ厚さの注型品１０の
接着面をワイヤブラシで目荒らしで清掃し、その面にマ
ンホール鉄蓋１に塗布した接着剤９と同じ接着剤をほぼ
均一厚さになるように全面に塗布する。■After this, the adhesive surface of the cast product 10 with the same outer circumference and 20 mm thickness as the manhole iron cover 1 (diameter 922 mmφ) is roughened and cleaned with a wire brush, and the manhole iron cover 1 is attached to that surface. The same adhesive as the applied adhesive 9 is applied to the entire surface to a substantially uniform thickness.
上記注型品１０は、自動車のスパイクタイヤ走行に対し
て強度的に充分な耐久性を有し、かつアスファルト、コ
ンクリート等の道路舗装材と同等の摩擦性能を有するも
のであって、メチルメタアクリレートバインダ戊分１０
０部に対して骨材３５０部、珪砂１５０部、着色顔料２
部からなる混合物に硬化剤４部を加えて注型硬化さたも
のである。The cast product 10 has sufficient strength and durability to withstand running on spiked tires of automobiles, has frictional performance equivalent to road paving materials such as asphalt and concrete, and is made of methyl methacrylate. binder bobun 10
0 parts, 350 parts of aggregate, 150 parts of silica sand, 2 parts of coloring pigment
4 parts of a curing agent was added to a mixture consisting of 1 part and 4 parts, and the mixture was cast and cured.
この注型品１０にはマンホール鉄蓋１の鍵穴１ａの位置
に対応する位置に５０ｍｍφの鍵穴用穴部１０ａを形成
しておく。In this cast product 10, a keyhole hole 10a of 50 mmφ is formed at a position corresponding to the position of the keyhole 1a of the manhole iron cover 1.
■、この後、注型品１０の接着剤面をマンホール鉄蓋１
の接着剤９の面に重ね、その上に重しを載せて圧着し、
硬化剤が硬化するまで放置する。■, After this, place the adhesive side of the cast product 10 on the manhole iron cover 1.
Layer it on the surface of the adhesive 9, place a weight on top of it, and press it.
Leave until the hardener hardens.
この硬化時間は、環境温度が１０℃で約２０分、２０℃
で約１０分である。The curing time is approximately 20 minutes at an environmental temperature of 10℃,
It takes about 10 minutes.
■、この後、上記した各々の目張りのガムテープを剥離
して除去し、また注型品１０の鍵穴部１０ａにその穴部
１０ａと同一寸法の注型品１１を嵌め込み、固定する。(2) After this, each of the gummed tapes described above is peeled off and removed, and a cast article 11 having the same dimensions as the keyhole 10a of the cast article 10 is fitted into the keyhole 10a and fixed.
■１次に、マンホール鉄蓋１と鉄蓋受枠６の隙間にアス
ファルト系段差修正剤１２が流入しないようにするため
、接着した注型品１０の厚さ方向の外周端面に２ｍｍ厚
さで、２２ｍｍ幅のウレタン系発泡体シート１３を１周
巻いて固定する。■1Next, in order to prevent the asphalt-based level difference correction agent 12 from flowing into the gap between the manhole iron cover 1 and the iron cover receiving frame 6, a 2 mm thick layer is applied to the outer peripheral end surface in the thickness direction of the bonded cast product 10. A 22 mm wide urethane foam sheet 13 is wrapped around once and fixed.
■、この後、アスファルト舗装やコンクリート舗装と良
く接着するアスファルト系段差修正剤１２としての骨材
とバインダーを良く混ぜ合わせたあと、鉄蓋受枠６上お
よび舗装道路面１４の嵩上げする部分に流し込み、コテ
で表面が均一厚さの平面になるように平滑に仕上げ、約
２０分間放置して硬化させ、その上に付着防止材（図示
せず）を散布して、終了する。(2) After this, aggregate and a binder as an asphalt-based step correction agent 12 that adheres well to asphalt pavement and concrete pavement are mixed well, and then poured onto the iron lid receiving frame 6 and the part to be raised on the paved road surface 14, The surface is smoothed with a trowel so that it becomes a flat surface of uniform thickness, left to harden for about 20 minutes, and an anti-adhesion material (not shown) is sprinkled on top of the finished product.
以上のようにしてマンホール鉄蓋１の嵩上げをした後、
直ちに交通開放して、自動車が嵩上げ場所を通過したが
、走行上で何等問題になるようなことはなく、満足でき
る性能を有していることが確認できた。After raising the height of the manhole cover 1 as described above,
The area was immediately opened to traffic and cars passed through the raised area, but there were no problems with driving, and it was confirmed that the area had satisfactory performance.
第２図は別の実施例の嵩上げ方法の説明図である。この
実施例では次のように嵩上げを行う。FIG. 2 is an explanatory diagram of a heightening method according to another embodiment. In this embodiment, the height is increased as follows.
■、まず、マンホール鉄蓋１をマンホール開閉鍵（図示
せず）を用いて鉄蓋受枠６から取り外し、道路舗装面１
４に移す。■ First, remove the manhole iron cover 1 from the iron cover receiving frame 6 using a manhole opening/closing key (not shown), and
Move to 4.
■０次に、マンホール鉄蓋１の表面に付着している錆、
汚れ等をディスクサンダ、ワイヤブラシ等で金属光沢が
露出するまで研磨してから、トリクロロエタンで油脂性
や錆粉等を拭き取って清掃する。■0Next, the rust adhering to the surface of the manhole iron cover 1,
After removing dirt, etc. with a disk sander, wire brush, etc. until the metallic luster is exposed, clean by wiping off oil, grease, rust particles, etc. with trichloroethane.
■１次に、マンホール鉄蓋１の鍵穴１ａにガムテープを
５０ｍｍφ張り付けて目張りし接着剤の流入の防止対策
を施す。(1) Next, tape the keyhole 1a of the manhole iron cover 1 with a diameter of 50 mm to cover it and take measures to prevent the adhesive from flowing into the keyhole 1a.
■９次に、接着剤９としてのアクリル系接着剤の主剤、
硬化剤、骨材からなる接着剤成分を攪拌混合して、これ
をマンホール鉄蓋１の上面（接着面）全面にヘラやコテ
でその厚さが約２ｍｍにほぼ均一となるように塗布する
。■9 Next, the main ingredient of acrylic adhesive as adhesive 9,
Adhesive components consisting of a curing agent and aggregate are stirred and mixed and applied to the entire upper surface (adhesive surface) of the manhole iron cover 1 using a spatula or a trowel so that the thickness is approximately uniform to about 2 mm.
■ この後、鉄蓋受枠６（直径９７６ｍｍφ）の外周寸
法と同一外周寸法で３０ｍｍ厚さの注型品１５の接着面
をマンホール鉄蓋１の接着剤９の面に重ね、その上に重
しを載せて圧着し、硬化剤か硬化するまで放置する。こ
の硬化時間は、環境温度が１０’Ｃで約２０分、２０℃
で約１０分である。■ After this, overlap the adhesive side of the cast product 15 with the same outer circumference and 30 mm thickness as the outer circumference of the iron lid receiving frame 6 (diameter 976 mmφ) on the surface of the adhesive 9 of the manhole iron cover 1, and place a weight on top of it. Place it, press it, and leave it until the curing agent hardens. The curing time is approximately 20 minutes at an environmental temperature of 10'C and 20'C.
It takes about 10 minutes.
上記注型品１５は、前記した注型品１０と同様のもので
あり、メチルメタアクリレートバインダ成分１００部に
対して骨材３５０部、珪砂１５０部、着色顔料２部から
なる混合物に硬化剤４部を加えて主型硬化させたもので
ある。この注型品１５にはマンホール鉄蓋１の鍵穴１ａ
の位置に対応する位置に５０ｍｍφの鍵穴用穴部１．５
ａを形成しておく。The above-mentioned cast product 15 is similar to the above-described cast product 10, and is made of a mixture of 100 parts of methyl methacrylate binder component, 350 parts of aggregate, 150 parts of silica sand, and 2 parts of colored pigment, and 4 parts of hardening agent. The main mold was cured by adding a portion. This cast product 15 has a keyhole 1a of the manhole iron cover 1.
50mmφ keyhole hole 1.5 at the position corresponding to the position of
Form a.
■、この後、この注型品１５を接着固定したマンホール
鉄蓋１をマンホール開閉鍵を用いて鉄蓋受枠６に嵌合さ
せる。(2) After this, the manhole iron cover 1 to which the cast product 15 is adhesively fixed is fitted into the iron cover receiving frame 6 using the manhole opening/closing key.
■、この後、張りしたガムテープを剥離して除去し、注
入型１５の鍵穴部１５ａにその鍵穴部１５ａと同一寸法
の注型品１６を嵌め込み固定する。(2) After this, the applied gummed tape is peeled off and removed, and a cast article 16 having the same dimensions as the keyhole 15a of the injection mold 15 is fitted and fixed in the keyhole 15a.
■１次に、鉄蓋受枠６と注型品１５の下側の隙間にアス
ファルト系段差修正剤１２が流入しないようにするため
、接着した注型品１５の厚さ方向の外周端面に２ｍｍ厚
さで、３２ｍｍ幅のウレタン系発泡体シート１７を１周
巻いて固定する。■1 Next, in order to prevent the asphalt-based step correction agent 12 from flowing into the gap between the lower side of the iron lid receiving frame 6 and the cast product 15, a 2 mm thick layer is applied to the outer peripheral end surface in the thickness direction of the bonded cast product 15. Now, wrap the 32 mm wide urethane foam sheet 17 once and fix it.
■、この後、アスアルト系段差修正剤１２としての骨材
とバインダーを良く脛ぜ合わせたあと、鉄蓋受枠６上お
よび舗装道路面１４の嵩上げする部分に流し込み、コテ
で表面が均一厚さの平面になるように平滑に仕上げ、約
２０分間放置して硬化させ、その上に付着防止材（図示
せず）を散布して、終了する。■After this, the aggregate and binder as the asalto-based level difference correcting agent 12 are well combined, and then poured onto the iron lid receiving frame 6 and the part of the paved road surface 14 to be raised, and the surface is made with a trowel to a uniform thickness. Finish by smoothing it so that it becomes a flat surface, leaving it to harden for about 20 minutes, and then spraying an anti-adhesion material (not shown) thereon.
この実施例でもこの後直ちに交通開放して自動車がマン
ホール鉄蓋１の嵩上げ箇所を通過したが、走行上で何等
問題になるようなことはなく、満足できる性能を有して
いることが確認できた。In this example, the traffic was immediately opened and a car passed through the raised part of the manhole cover 1, but there was no problem in driving, and it was confirmed that the performance was satisfactory. Ta.
また、この嵩上げしたマンホール鉄蓋は、鉄蓋受枠との
嵌合性が悪い場合に発生する蓋鳴りによる騒音を効果的
に防止できる。Further, this raised manhole iron cover can effectively prevent noise caused by the lid ringing that occurs when the fitting with the iron cover receiving frame is poor.
［発明の効果コ
以上説明したように本発明によれば、従来のように道路
舗装面を掘削して鉄蓋受枠を掘り出して嵩上げ分のモル
タルを敷き詰める等の工事が必要ないので、道路占有面
積が小さく、かつ工事期間が大幅に短縮できるという利
点がある。[Effects of the Invention] As explained above, according to the present invention, there is no need for construction work such as excavating the road paved surface, digging out the iron cover frame, and spreading mortar for raising the height, as in the conventional method. It has the advantage that it is small and the construction period can be significantly shortened.
また、嵩上げ用の注型品の外周寸法をマンホール鉄蓋の
外周寸法より大きくすることにより、蓋鳴りによる騒音
が防止できる利点もある。Further, by making the outer circumferential dimension of the cast product for raising the height larger than the outer circumferential dimension of the manhole iron cover, there is an advantage that noise caused by the cover ringing can be prevented.
第１図は本発明の一実施例の嵩上げ方法を適用した大形
マンホールの断面図、第２図は別の実施例の嵩上げ方法
を′適用した大形マンホールの断面図、第３図は従来の
嵩上げ方法を適用する大形マンホールの断面図である。
１・・・マンホール鉄蓋、２・・・舗装材 ３ ｍｍｍ
ｍｍシコンクリート・・・板巻ブロック、５・・・鉄蓋
受枠固定ボルト、６・・・鉄蓋受枠、７・・・築造ブロ
ック、８・・・受枠レベル調整モルタル、９・・・接着
材、１０−・・注型品、１１・・・注型品、１２−・・
アスファルト系段差修正材、１３−・・ウレタン系発泡
体シート、１４−・・舗装道路面、１５−・・注型品、
１６・・・注型品、１７・・・ウレタン系発泡体シート
。Fig. 1 is a sectional view of a large manhole to which the elevating method of one embodiment of the present invention is applied, Fig. 2 is a sectional view of a large manhole to which the elevating method of another embodiment is applied, and Fig. 3 is a conventional one. FIG. 2 is a sectional view of a large manhole to which the raising method is applied. 1... Manhole iron cover, 2... Paving material 3 mm
mm concrete...Plate-wrapped block, 5... Iron lid receiving frame fixing bolt, 6... Iron lid receiving frame, 7... Construction block, 8... Receiving frame level adjustment mortar, 9... Adhesive material , 10-... Casting product, 11... Casting product, 12-...
Asphalt level difference correction material, 13--urethane foam sheet, 14--paved road surface, 15--casting product,
16... Cast product, 17... Urethane foam sheet.
Claims (2)
面にアスファルト、コンクリート等の道路舗装材と同等
の摩擦性能を有する樹脂バインダ成分に骨材、珪砂、着
色顔料等を配合して硬化剤で注型硬化させた所定形状寸
法の注型品をマンホール鉄蓋表面に接着剤で固定一体化
してマンホール鉄蓋を嵩上げするマンホール鉄蓋の嵩上
げ方法。(1) After removing dirt from the surface of the manhole iron cover, a hardening agent is added to the surface by blending aggregate, silica sand, coloring pigments, etc. with a resin binder component that has the same frictional performance as road paving materials such as asphalt and concrete. A method for raising a manhole iron cover, in which a cast product of a predetermined shape and size, which has been cast and cured, is fixed and integrated on the surface of the manhole iron cover with an adhesive to raise the height of the manhole iron cover.
外形寸法より大きくしたことを特徴とする特許請求の範
囲第１項記載のマンホール鉄蓋の嵩上げ方法。(2) The method for raising the height of a manhole iron cover according to claim 1, characterized in that the external dimensions of the cast product are made larger than the external dimensions of the manhole iron cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2093319A JPH03290530A (en) | 1990-04-09 | 1990-04-09 | Method for heightening manhole iron cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2093319A JPH03290530A (en) | 1990-04-09 | 1990-04-09 | Method for heightening manhole iron cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03290530A true JPH03290530A (en) | 1991-12-20 |
Family
ID=14078976
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2093319A Pending JPH03290530A (en) | 1990-04-09 | 1990-04-09 | Method for heightening manhole iron cover |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03290530A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002095141A1 (en) * | 2001-05-22 | 2002-11-28 | Abart Industries | Manhole cover cap |
| JP2015175195A (en) * | 2014-03-17 | 2015-10-05 | 日本ステップ工業株式会社 | Cover for underground structure |
-
1990
- 1990-04-09 JP JP2093319A patent/JPH03290530A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002095141A1 (en) * | 2001-05-22 | 2002-11-28 | Abart Industries | Manhole cover cap |
| JP2015175195A (en) * | 2014-03-17 | 2015-10-05 | 日本ステップ工業株式会社 | Cover for underground structure |
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