JPS63122822A - Vibration-insulating work for structure buried in road - Google Patents
Vibration-insulating work for structure buried in roadInfo
- Publication number
- JPS63122822A JPS63122822A JP26819786A JP26819786A JPS63122822A JP S63122822 A JPS63122822 A JP S63122822A JP 26819786 A JP26819786 A JP 26819786A JP 26819786 A JP26819786 A JP 26819786A JP S63122822 A JPS63122822 A JP S63122822A
- Authority
- JP
- Japan
- Prior art keywords
- vibration
- road
- mat
- buried
- rubber
- 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
- 238000000034 method Methods 0.000 claims abstract description 3
- 238000002955 isolation Methods 0.000 claims description 5
- 239000010410 layer Substances 0.000 abstract description 3
- 239000002344 surface layer Substances 0.000 abstract description 3
- 238000009413 insulation Methods 0.000 abstract 2
- 238000010276 construction Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 238000007796 conventional method Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 102100040428 Chitobiosyldiphosphodolichol beta-mannosyltransferase Human genes 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000009933 burial Methods 0.000 description 1
- 230000003449 preventive effect Effects 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
Landscapes
- Road Paving Structures (AREA)
Abstract
Description
【発明の詳細な説明】
１）、産業上の利用分野
この発明は、電話、電力配線用マンホール及び道路横断
カルバ−１など比較的浅く埋設される道路埋設構造物の
防振工法に関する。DETAILED DESCRIPTION OF THE INVENTION 1) Industrial Field of Application The present invention relates to a vibration isolation construction method for buried road structures buried relatively shallowly, such as manholes for telephones, power wiring, and road crossing culverts.
２、従来の技術
従来、道路埋設構造物が、路面走行交通による振動を受
けて、該構造物のクリーピング現象や付近地盤振動障害
に対しては、該埋設構造物の埋設深度増大、基礎工の強
化、上部路面の平面度保持によって対応している。2. Conventional technology In the past, when buried structures on roads are subjected to vibrations caused by road traffic, measures such as increasing the burial depth of the buried structures and constructing foundations are necessary to prevent creeping of the structures and disturbances caused by nearby ground vibrations. This is being addressed by strengthening the road surface and maintaining the flatness of the upper road surface.
′５）０発明が解決しようとする問題点道路の路盤面下
に構造物を埋設することにより、該部分は他の道路部分
と異種の振動性状を示すことは明らかで、該部分の路面
を走行する交通車輌は、該埋設構造物に衝撃荷重を与え
、従来の技術Ｇこよる解決不能な障害を発生している。'5)0 Problems to be Solved by the Invention It is clear that by burying a structure under the road surface, that part will exhibit different vibration characteristics from other road parts, and Traveling traffic vehicles impose impact loads on the buried structures, creating problems that cannot be solved by conventional techniques.
即ち、該構造物が埋設さねている道路部分の地盤バネ常
数と他の道路部分の地盤バネ常数が異ることにより該振
動障害が発生するものであることから従来の技術では解
決することはできなかった。In other words, the vibration disturbance occurs because the ground spring constant of the road section where the structure is buried differs from the ground spring constant of other road sections, and this problem cannot be solved using conventional techniques. could not.
４）１問題点を解決するための手段
本発明はかかる従来の技術の問題点を解決するためにな
さねたもので、その目的は、埋設構造物の上部に、該構
造物を薇う変形自在の防振マットを挿入して、他の道路
部分と同一または近似した地盤バネ常数を有する路盤を
構成する工法を提供することにある。4) Means for Solving Problem 1 The present invention has been made to solve the problems of the conventional technology, and its purpose is to provide a method for deforming the structure on the upper part of the buried structure. The object of the present invention is to provide a construction method for constructing a roadbed having a ground spring constant that is the same or similar to that of other road sections by inserting a freely adjustable anti-vibration mat.
以下、本発明の実施例を図面にもとづいて説明する。Embodiments of the present invention will be described below based on the drawings.
゛第１図に示すように上下２枚のコンベヤネット。゛As shown in Figure 1, there are two conveyor nets, upper and lower.
１０．１１相互間に直柱状防振ゴム１２を配役上着し、
該コンベヤネット１０．１１上下外面に薄ゴム板８，９
を止着してなる防振マットを、道路埋設構造物７上部に
接し且つ該埋設構造物７を覆い、該防振マットの上部に
路盤４，５及び表層２墓層３の舗装を築造して道路を構
成する。10.11 A straight columnar vibration-proof rubber 12 is placed between each other,
The conveyor net 10.11 has thin rubber plates 8, 9 on the upper and lower outer surfaces.
An anti-vibration mat formed by fixing the anti-vibration mat is in contact with and covers the upper part of the buried structure 7 on the road, and the roadbed 4, 5 and the pavement of the surface layer 2 and the grave layer 3 are built on the anti-vibration mat. road.
９、作用
道路走行自動車が地盤に作用する輪圧は、深度０．６な
いし１．０メートルまでの浅部においては接触面積に等
しい地盤面積の集中荷重として作用しそれ以上の深部に
おいては４５度の角度で拡大された地盤面積の分布荷重
としで作用すると考えらねでいる。比較的浅く埋設され
た道路埋設構造物に作朋する道路走行自動車の輪圧は、
該埋設構造物の一部分面積に作用すると考えらねること
から挿入する防振マットも該作用面積に対応して変形す
るものでなげねばならない。若し、配設された置注状防
振ゴムの上下面を剛な鋼板もしくは鉄筋コンクリート板
で構成する防振マットとした場合は、該防振マッ１全木
としてバネ常数は定まり、゛大きな値となり、地盤バネ
常数と大きく相異し防振の効果は失わわる。また該直柱
状防振ゴムを平板状防振ゴムに変えて構成しても同様で
ある、こわらの現象は鍛造ハンマー敷台の防振や新幹線
軌道・′：７トによる防振などに見られる如く、その防
去効果は得らねていない。9. Action Road The wheel pressure exerted by a vehicle on the ground acts as a concentrated load with a ground area equal to the contact area in shallow areas up to a depth of 0.6 to 1.0 meters, and in deeper areas it acts at an angle of 45 degrees. It is thought that the load acts as a distributed load on the ground area expanded at an angle of . The wheel pressure of a road-driving vehicle building on a relatively shallowly buried road structure is:
Since the vibration is not expected to act on a partial area of the buried structure, the inserted vibration-proof mat must also be deformed in accordance with the area of effect. If the upper and lower surfaces of the installed anti-vibration rubber are made of rigid steel plates or reinforced concrete plates, the spring constant will be determined as the entire tree of the anti-vibration mat 1, and the spring constant will be a large value. This is greatly different from the ground spring constant, and the anti-vibration effect is lost. The same effect can be obtained even if the vertical column-shaped vibration-isolating rubber is replaced with a plate-shaped vibration-isolating rubber.The stiffness phenomenon can be seen in the vibration isolation of forged hammer pedestals and the vibration isolation of Shinkansen tracks. As can be seen, the preventive effect has not been obtained.
この発明に係る防振７７１の構成は、変形自在で且つ疲
労限界の大きいコンベヤネット１０゜１１を使用したか
ら、道路交通による作用面積に対応した防振マットの部
分面積が変形することとなり、実施地盤バネ常数に等値
のバネ常数をもつ防振マットを設計することがで走る。Since the structure of the vibration isolator 771 according to the present invention uses a conveyor net 10°11 that is deformable and has a large fatigue limit, the partial area of the vibration isolator mat corresponding to the area affected by road traffic is deformed, so it is difficult to implement. It is possible to design an anti-vibration mat with a spring constant equal to the ground spring constant.
従って該道路埋設構造物の存在する個所において衝撃振
動の発生を防止することができる。Therefore, it is possible to prevent impact vibrations from occurring at the location where the road buried structure is present.
６）発明の効果
本発明に係る道路埋設［漬物の防振工法は、電話、電力
配線などの地上構造物を埋設することは時代の要請であ
り、その埋設位置は殆んど道路に求めざるを得ない、ま
た該埋設深度は工期短縮及び工費低減から可能な限り浅
部が望まわる現状から該道路埋設構造物は道路走行自動
車による振動を受は易くクリーピング現象や近＠ｍ＃Ｊ
Ｋ害の発生原因となる、かかる道路埋設構造物を防振す
る工法を提供するものである。6) Effects of the invention Road burying according to the present invention [The Tsukemono anti-vibration construction method is a modern requirement for burying above-ground structures such as telephones and power wiring, and the location of burying them is almost unavoidable on roads. In addition, it is desired that the buried depth be as shallow as possible in order to shorten the construction period and reduce the construction cost.As a result, the buried road structures are susceptible to vibrations caused by road vehicles, causing creeping phenomenon and near-ground structures.
The present invention provides a construction method for vibration-proofing such buried road structures that cause K damage.
第１図は本発明の一実施例を示す断面図。
１０・道路表面。２・・・表層。３１１・・基層。４・
・・上層路盤。５０・下層路盤。６・・・路床。７・・
・道路埋設構造物。８・・・上部薄ゴム板。９・・−下
部薄ゴム板。１０・ｅ・上部コンベヤネット。１１−−
−下１コンベヤネット。１２・・・直柱状防振ゴムFIG. 1 is a sectional view showing one embodiment of the present invention. 10. Road surface. 2... Surface layer. 311...Base layer. 4.
...Upper roadbed. 50. Lower roadbed. 6...Road bed. 7...
・Road buried structures. 8...Top thin rubber plate. 9...-Lower thin rubber plate. 10.e. Upper conveyor net. 11--
-Bottom 1 conveyor net. 12...Right columnar anti-vibration rubber
Claims (1)
設止着し、該コンベヤネット上下外面に薄ゴム板を止着
してなる防振マットを道路埋設構造物上部に接して該道
路埋設構造物を覆い該防振マット上部に路盤及び舗装を
築造して道路を構成することを特徴とする道路埋設構造
物の防振工法。A vertical vibration-proof rubber is arranged and fixed between two conveyor nets (upper and lower), and a vibration-proof mat consisting of thin rubber plates fixed to the upper and lower outer surfaces of the conveyor net is attached to the upper part of the road buried structure. A method of vibration isolation for buried road structures, which comprises constructing a road by covering the buried structure and constructing a roadbed and pavement on top of the vibration isolation mat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP26819786A JPS63122822A (en) | 1986-11-11 | 1986-11-11 | Vibration-insulating work for structure buried in road |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP26819786A JPS63122822A (en) | 1986-11-11 | 1986-11-11 | Vibration-insulating work for structure buried in road |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63122822A true JPS63122822A (en) | 1988-05-26 |
Family
ID=17455269
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP26819786A Pending JPS63122822A (en) | 1986-11-11 | 1986-11-11 | Vibration-insulating work for structure buried in road |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63122822A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01312102A (en) * | 1988-06-09 | 1989-12-15 | Isao Hayashi | Earthquake response control structure for road and the like |
-
1986
- 1986-11-11 JP JP26819786A patent/JPS63122822A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01312102A (en) * | 1988-06-09 | 1989-12-15 | Isao Hayashi | Earthquake response control structure for road and the like |
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