JP2023104322A - Hump construction method - Google Patents

Hump construction method Download PDF

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JP2023104322A
JP2023104322A JP2022005241A JP2022005241A JP2023104322A JP 2023104322 A JP2023104322 A JP 2023104322A JP 2022005241 A JP2022005241 A JP 2022005241A JP 2022005241 A JP2022005241 A JP 2022005241A JP 2023104322 A JP2023104322 A JP 2023104322A
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layer
slope
formwork
rectangular
hump
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直也 轟木
Naoya Todoroki
千晶 小川
Chiaki Ogawa
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NAKANO KENSETSU KK
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NAKANO KENSETSU KK
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00—Adapting or protecting infrastructure or their operation
    • Y02A30/60—Planning or developing urban green infrastructure

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  • Road Paving Structures (AREA)
  • Road Signs Or Road Markings (AREA)

Abstract

To make it easy to form a flat place part of a hump at an arbitrary place on a road, and to be able to quickly form humps according to standards by continuous placing by mechanical construction.SOLUTION: There is provided a hump construction method for constructing a hump on a road using a paving material, the hump comprising a first layer rectangular flat area, first layer slope areas formed in front of and behind the rectangular flat area, and a second layer flat area and slope areas formed on upper surfaces of the rectangular flat area and the first layer slope areas, the hump construction method comprising: (1) a rectangular form installation step, (2) a rectangular flat place area placing step, (3) a rectangular form removal step, (4) a slope form installation step, (5) a first layer slope area placing step, (6) a slope form removal step, (7) a second layer form installation step, (8) a second layer placing rolling compaction step, and (9) a second layer form removal step.SELECTED DRAWING: Figure 3

Description

本発明は、舗装材料を用いて道路上にハンプを施工するハンプ施工方法に関する。 The present invention relates to a hump construction method for constructing a hump on a road using a paving material.

車両の走行速度を抑制するために、ハンプを道路上に設置する場合がある。
ハンプの形状については、車両の速度抑制効果、安全性、騒音、振動等を考慮して、国土交通省によって、凸部の平坦部（平場部）の高さは１０ｃｍ、縦断方向の長さは２ｍ以上を標準とすること、凸部の傾斜部（スロープ部）の縦断方向の傾斜は平均で５％、最大で８％以下を標準とすること、スロープ部と路面及び平場部とのすりつけ部はなめらかなものとすること等が規定されている。
そして、特許文献１（特開２００６－３４２５８２号公報）には、本体(10)および傾斜部(11)を、ベース層(21)、ベース層(21)を覆う舗装層(22)及び舗装層(22)を覆う被覆層(23)の３層構造とする点、ベース層(21)は透水性があり、かつ、強度のある材質（例えば、透水性アスファルトコンクリート）により構成する点、舗装層(22)には廃タイヤから形成したゴムチップを含む舗装材を用いる点、被覆層(23)には所望の色に着色されたバージンゴムチップを用いる点等が記載されている（特に、段落００２３及び図２を参照）。
また、特許文献２（特許第６６８６１１０号公報）には、ハンプを施工する道路の両側端部に型枠を設置し、型枠の内側に所定の曲線の縦断曲線部を設けたハンプゲージシートを貼り付け、ハンプゲージシートの縦断曲線部の曲線と型枠内の舗装材料の表面が一致するように、型枠の内側に舗装材料を撒き出しながら転圧する点等が記載されている（特に、請求項１及び図１、４を参照）。 In some cases, humps are installed on the road in order to control the traveling speed of the vehicle.
Regarding the shape of the hump, considering the speed control effect of the vehicle, safety, noise, vibration, etc., the height of the flat part (flat part) of the convex part (flat part) is 10 cm, and the length in the longitudinal direction is 10 cm. 2m or more as a standard, the slope of the convex part (slope) in the longitudinal direction shall be 5% on average and 8% or less at maximum, and the rubbing part between the slope and the road surface and the flat part It is stipulated that it should be smooth.
Patent Document 1 (Japanese Unexamined Patent Application Publication No. 2006-342582) discloses that the main body (10) and the inclined portion (11) are composed of a base layer (21), a pavement layer (22) covering the base layer (21), and a pavement layer. The three-layer structure of the coating layer (23) covering (22), the base layer (21) being made of a water-permeable and strong material (for example, water-permeable asphalt concrete), and the pavement layer (22) describes the use of paving materials containing rubber chips formed from waste tires, and the use of virgin rubber chips colored in a desired color for the coating layer (23) (especially paragraphs 0023 and See Figure 2).
In addition, in Patent Document 2 (Japanese Patent No. 6686110), a hump gauge sheet is provided in which formwork is installed at both side ends of a road on which a hump is to be constructed, and a vertical curved section with a predetermined curve is provided inside the formwork. It is described that the surface of the paving material in the formwork is rolled while spreading the paving material inside the formwork so that the curve of the vertical curved part of the hump gauge sheet and the surface of the paving material in the formwork are aligned. See Claim 1 and Figures 1 and 4).

しかし、これらのハンプ施工方法では、交差点の全面や横断歩道の部分に平場部が形成され、その前後両側にスロープ部が形成されており（特許文献１の段落００２１及び図１、特許文献２の段落００２９を参照）、道路の任意の箇所に平場部を形成することが容易ではないという問題があった。
また、特許文献２のハンプ施工方法によれば、すりつけ部（スロープ部）の縦断方向の傾斜を所定の縦断曲線となるように施工することができるが、すりつけ部(9b)の表面をハンプゲージシート(1)の縦断曲線部(3)と一致するように、ハンプ(9)を施工していく必要があり（段落００３３を参照）、機械施工で連続打設しにくいという問題があった。 However, in these hump construction methods, a flat portion is formed on the entire surface of an intersection or a pedestrian crossing, and a slope portion is formed on both front and rear sides (paragraph 0021 and FIG. 1 of Patent Document 1, and Patent Document 2). See paragraph 0029), there is a problem that it is not easy to form a flat portion at an arbitrary portion of the road.
Further, according to the hump construction method of Patent Document 2, the slope in the vertical direction of the rubbing portion (slope portion) can be constructed so as to form a predetermined vertical curve, but the surface of the rubbing portion (9b) is a hump gauge. It is necessary to construct the hump (9) so as to match the vertical curved portion (3) of the sheet (1) (see paragraph 0033), and there is a problem that it is difficult to continuously place the hump by mechanical construction.

特開２００６－３４２５８２号公報JP 2006-342582 A 特許第６６８６１１０号公報Japanese Patent No. 6686110

本発明は、上記の問題を解決し、道路の任意の箇所にハンプの平場部を容易に形成できるようにすることを第１の課題とし、規格に沿ったハンプを機械施工で連続打設することによって迅速に形成できるようにすることを第２の課題としている。 The first object of the present invention is to solve the above problems and to easily form a flat portion of a hump at an arbitrary location on a road. The second problem is to enable rapid formation by

請求項１に係る発明は、一層目の矩形平場部、前記矩形平場部の前後に形成される一層目のスロープ部並びに前記矩形平場部と前記一層目のスロープ部の上面に形成される二層目の平場部及びスロープ部からなるハンプを、舗装材料を用いて道路上に施工するハンプ施工方法であって、
次の（１）～（９）の工程を実施することを特徴とする。
（１）前記矩形平場部を施工する位置の周囲に矩形型枠を設置する矩形型枠設置工程。
（２）前記矩形型枠の高さと前記矩形平場部の高さが一致するように、前記矩形型枠の内側に舗装材料を撒き出しながら打設する矩形平場部打設工程。
（３）前記矩形型枠を取り外す矩形型枠撤去工程。
（４）前記矩形平場部の側辺の延長線に沿ってスロープ用型枠を設置するスロープ用型枠設置工程。
（５）前記一層目のスロープ部の長さが、前記矩形平場部の隅から前記スロープ用型枠の先端までの長さと同じ長さとなるように、前記スロープ用型枠の内側に舗装材料を撒き出しながら打設する一層目のスロープ部打設工程。
（６）前記スロープ用型枠を取り外すスロープ用型枠撤去工程。
（７）前記矩形平場部及び前記一層目のスロープ部の上面に、それらの側辺に対して平行に２本の二層目用型枠を設置する二層目用型枠設置工程。
（８）前記矩形平場部及び前記一層目のスロープ部の上面に、前記二層目用型枠と同じ長さの前記二層目の平場部及びスロープ部のうちの一部又は全部が形成されるように、機械施工によって前記２本の二層目用型枠の内側に舗装材料を撒き出しながら連続的に打設及び転圧する二層目打設転圧工程。
（９）前記二層目用型枠を取り外す二層目用型枠撤去工程。 The invention according to claim 1 is a rectangular flat portion of the first layer, a slope portion of the first layer formed before and after the rectangular flat portion, and two layers formed on the upper surface of the rectangular flat portion and the slope portion of the first layer. A hump construction method for constructing a hump consisting of a flat part and a slope part on a road using a paving material,
It is characterized by performing the following steps (1) to (9).
(1) Rectangular formwork installation step of installing a rectangular formwork around the position where the rectangular flat section is to be constructed.
(2) A step of placing the paving material while pouring out the paving material inside the rectangular form so that the height of the rectangular form and the height of the rectangular flat part are matched.
(3) Rectangular mold removing step of removing the rectangular mold.
(4) A step of installing a slope formwork along an extension line of a side edge of the rectangular flat portion.
(5) Pavement material is placed inside the slope formwork so that the length of the first slope part is the same as the length from the corner of the rectangular flat part to the tip of the slope formwork. The step of placing the first layer of the slope while pouring it out.
(6) A step of removing the slope formwork for removing the slope formwork.
(7) A second-layer formwork installation step of installing two second-layer formworks on the upper surfaces of the rectangular flat portion and the first-layer slope portion parallel to their side edges.
(8) Part or all of the flat portion and slope portion of the second layer having the same length as the formwork for the second layer is formed on the upper surface of the rectangular flat portion and the slope portion of the first layer. A second layer placing and rolling compaction step in which the paving material is continuously placed and rolled while spreading the pavement material inside the two second layer forms by mechanical construction.
(9) Second-layer formwork removal step of removing the second-layer formwork.

請求項２に係る発明は、請求項１記載のハンプ施工方法において、
前記二層目用型枠撤去工程によって前記二層目の平場部及びスロープ部のうちの一部が形成された後に、次の（１０）～（１２）の工程を実施することを特徴とする。
（１０）前記矩形平場部及び前記一層目のスロープ部の上面に、前記二層目の平場部及びスロープ部の側辺に対して平行に前記二層目用型枠を設置する拡幅二層目用型枠設置工程。
（１１）前記矩形平場部及び前記一層目のスロープ部の上面に、前記二層目用型枠と同じ長さの前記二層目の平場部及びスロープ部のうちの一部が形成されるように、機械施工によって前記二層目の平場部及びスロープ部の側縁と前記二層目用型枠との内側に舗装材料を撒き出しながら連続的に打設及び転圧する拡幅二層目打設転圧工程。
（１２）前記二層目用型枠を取り外す拡幅二層目用型枠撤去工程。 The invention according to claim 2 is the hump construction method according to claim 1,
It is characterized in that the following steps (10) to (12) are performed after a part of the flat portion and the slope portion of the second layer is formed by the step of removing the formwork for the second layer. .
(10) Widening second layer in which the formwork for the second layer is installed on the upper surface of the rectangular flat section and the slope section of the first layer in parallel with the sides of the flat section and the slope section of the second layer. Formwork installation process.
(11) A part of the flat part and the slope part of the second layer having the same length as the formwork for the second layer is formed on the upper surface of the rectangular flat part and the slope part of the first layer. 2, the widening second layer is continuously poured and rolled while spreading the paving material inside the side edges of the flat part and the slope part of the second layer and the inside of the second layer formwork by mechanical construction. rolling process.
(12) A widening second-layer formwork removing step of removing the second-layer formwork.

請求項１に係る発明のハンプ施工方法によれば、矩形型枠を設置した後、矩形型枠の高さと矩形平場部の高さが一致するように、矩形型枠の内側に舗装材料を撒き出しながら打設するだけで、表面が平坦な一層目の矩形平場部を形成することができる。
また、矩形平場部及び一層目のスロープ部の上面に、それらの側辺に対して平行に２本の二層目用型枠を設置し、矩形平場部及び一層目のスロープ部の上面に、機械施工によって２本の二層目用型枠の内側に舗装材料を撒き出しながら連続的に打設及び転圧するだけで、二層目用型枠と同じ長さの二層目の平場部及びスロープ部のうちの一部又は全部が形成されるので、規格に沿ったハンプを機械施工で容易に形成できる。 According to the hump construction method of the invention according to claim 1, after installing the rectangular formwork, the paving material is sprinkled inside the rectangular formwork so that the height of the rectangular formwork and the height of the rectangular flat part match. A rectangular flat portion having a flat surface can be formed in the first layer simply by casting while extending.
In addition, on the upper surface of the rectangular flat part and the first slope part, two second-layer forms are installed parallel to their sides, and on the upper surface of the rectangular flat part and the first slope part, By simply pouring out the pavement material on the inside of the two second-layer forms by mechanical construction and continuously placing and rolling, the second-layer flat part of the same length as the second-layer formwork and Since part or all of the slope portion is formed, a hump conforming to the standard can be easily formed by mechanical construction.

請求項２に係る発明によれば、請求項１に係る発明による効果に加えて、二層目の平場部及びスロープ部の側辺に対して平行に二層目用型枠を設置し、機械施工によって二層目の平場部及びスロープ部の側縁と前記二層目用型枠との内側に舗装材料を撒き出しながら連続的に打設及び転圧する拡幅二層目打設転圧工程を加えるだけで、１回の機械施工では形成できない幅のハンプを形成することができる。 According to the invention according to claim 2, in addition to the effect of the invention according to claim 1, the formwork for the second layer is installed parallel to the sides of the flat part and the slope part of the second layer, and the machine A width-enlarging second-layer placing and rolling compaction process in which paving material is continuously placed and rolled while spreading the paving material on the side edges of the flat part and slope part of the second layer and the inner side of the formwork for the second layer by construction. By simply adding, it is possible to form humps of widths that cannot be formed in a single machining operation.

実施例に係るハンプの斜視図。The perspective view of the hump which concerns on an Example. 実施例に係るハンプの一層目及び二層目の断面図及び平面図。Sectional view and plan view of the first and second layers of the hump according to the example. 実施例に係るハンプを施工する際の作業手順を示すフロー図。FIG. 4 is a flow chart showing the work procedure when constructing the hump according to the embodiment. 実施例に係るハンプの一層目を施工する工程を説明するための図。The figure for demonstrating the process of constructing the first layer of the hump which concerns on an Example. 実施例に係るハンプの二層目を施工する工程を説明するための図。FIG. 5 is a diagram for explaining a process of constructing a second layer of the hump according to the example;

以下、実施例によって本発明の実施形態を説明する。 The embodiments of the present invention will now be described with reference to examples.

図１は実施例に係るハンプの斜視図である。
図１に示すとおり、実施例に係るハンプは、道路１上の任意の箇所に、車両等の進行方向に沿ってスロープ部２、平場部３、スロープ部４を有しており、表面には全面に塗料が塗布されているとともに、路側帯や車線を示す線５及び運転者等にハンプが設置されていることを知らせ注意喚起するための三角形の路面標示６が施されている。 FIG. 1 is a perspective view of a hump according to an embodiment.
As shown in FIG. 1, the hump according to the embodiment has a slope portion 2, a flat portion 3, and a slope portion 4 along the traveling direction of a vehicle or the like at an arbitrary location on a road 1. Paint is applied to the entire surface, along with lines 5 indicating roadside strips and lanes, and triangular road markings 6 for informing drivers, etc. of the presence of humps to alert them.

図２は実施例に係るハンプの一層目及び二層目の断面図及び平面図である。
実施例に係るハンプは、図２（Ａ）及び（Ｂ）に示すように、路面上に設置される矩形平場部７及び矩形平場部７の前後に設置されるスロープ部８を有する一層目と、図２（Ｃ）及び（Ｄ）に示すように、一層目前後の路面、矩形平場部７及びスロープ部８の上面に形成される平場部９及びスロープ部１０を有する二層目からなっている。
また、一層目、二層目ともに舗装材料であるアスファルトで形成され、一層目の矩形平場部７及び二層目の平場部９は、厚さ５ｃｍ、側辺の長さ２～４ｍであり、前後辺の長さはハンプを設置する道路幅に応じて適宜決定される。そして、一層目のスロープ部８は側辺の長さが１００ｃｍ、二層目のスロープ部１０は側辺の長さが２００ｃｍであるため、一層目及び二層目のスロープ部８、１０の傾斜は平均で約５％となる。 FIG. 2 is a sectional view and a plan view of the first and second layers of the hump according to the example.
As shown in FIGS. 2A and 2B, the hump according to the embodiment has a rectangular flat portion 7 installed on the road surface and a slope portion 8 installed in front of and behind the rectangular flat portion 7. , As shown in FIGS. 2(C) and (D), the second layer has a flat portion 9 and a slope portion 10 formed on the upper surface of the road surface before and after the first layer, the rectangular flat portion 7 and the slope portion 8. there is
In addition, both the first and second layers are formed of asphalt, which is a paving material, and the rectangular flat portion 7 of the first layer and the flat portion 9 of the second layer have a thickness of 5 cm and a side length of 2 to 4 m, The length of the front and rear sides is appropriately determined according to the width of the road on which the hump is installed. Since the slope portion 8 of the first layer has a side length of 100 cm and the slope portion 10 of the second layer has a side length of 200 cm, the slope portions 8 and 10 of the first and second layers are inclined. averages about 5%.

図３は実施例に係るハンプを施工する際の作業手順を示すフロー図である。
図３に示すとおり、実施例に係るハンプは次の手順１～５により施工する。
（手順１）＜準備段階＞
既設舗装面の清掃及び墨出しの作業を行う。
（手順２）＜一層目の矩形平場部舗設段階＞
一層目の矩形平場部７を施工する箇所に矩形状の舗装型枠（矩形型枠）を設置し、人力施工によって矩形型枠内にアスファルト混合物を打設して上面を均し、一層目の平場部の高さが矩形型枠と同じ高さ（５ｃｍ）となるようにローラで転圧する。
（手順３）＜一層目のスロープ部舗設段階＞
矩形型枠を取り外した後、矩形平場部７の四隅に直線状の舗装型枠（スロープ用型枠）を設置し、人力施工によって矩形平場部７の前方側に設置した２本のスロープ用型枠の間及び矩形平場部７の後方側に設置した２本のスロープ用型枠の間にアスファルト混合物を打設して上面を均し、矩形平場部７付近で高さ５ｃｍ、長さ１ｍのスロープ用型枠の先端を結ぶ線上付近で高さが０ｃｍとなるようにローラで転圧する。 FIG. 3 is a flow diagram showing a work procedure when constructing a hump according to the embodiment.
As shown in FIG. 3, the hump according to the example is constructed according to the following procedures 1 to 5.
(Step 1) <Preparation stage>
The existing paved surface will be cleaned and marked.
(Procedure 2) <Step of setting up the rectangular flat section of the first layer>
A rectangular pavement formwork (rectangular formwork) is installed at the location where the rectangular flat part 7 of the first layer is to be constructed, and the asphalt mixture is placed in the rectangular formwork by manual construction to level the top surface. Roll down with a roller so that the height of the flat part becomes the same height (5 cm) as the rectangular mold.
(Procedure 3) <Stage of pavement of the first slope>
After removing the rectangular forms, linear pavement forms (slope forms) were installed at the four corners of the rectangular flat section 7, and two slope forms were installed on the front side of the rectangular flat section 7 by manual construction. Place the asphalt mixture between the frames and between the two slope forms installed on the rear side of the rectangular flat section 7, smooth the top surface, and near the rectangular flat section 7, a height of 5 cm and a length of 1 m Roll down with a roller so that the height is 0 cm near the line connecting the ends of the slope formwork.

（手順４）＜二層目の舗設段階＞
スロープ用型枠を取りした後、一層目前後の路面及び一層目の上面に、側辺に対して平行に直線状の舗装型枠（二層目用型枠）を２本設置し、アスファルトフィニッシャで２本の二層目用型枠の間にアスファルト混合物を撒き出しながら連続的に打設及び転圧する。
なお、二層目の高さは、一層目の上部で二層目用型枠と同じ高さ（５ｃｍ）、長さ２ｍの二層目用型枠の先端を結ぶ線上付近で高さが０ｃｍとなるように施工する。
また、２本の二層目用型枠の間隔は、アスファルトフィニッシャで連続的に打設可能な幅とし、１回でハンプ幅全部の打設ができない場合には、打設済みの二層目の側辺に対して平行に二層目用型枠を１本設置し、アスファルトフィニッシャで二層目の側縁と設置した二層目用型枠の間にアスファルト混合物を撒き出しながら、１回目と同様に連続的に打設及び転圧する。
２回目の舗設でもハンプ幅全部の打設ができない場合には、２回目と同様の舗設を繰り返し、ハンプ幅全部に対する二層目の打設を行う。
（手順５）＜表面仕上げ段階＞
二層目の表面に塗装や路面標示等を施す。塗装はハンプの表面全体に塗料を塗布したり、合成樹脂を塗布した上で滑り止め用の骨材を散布したりする。 (Step 4) <Second layer pavement stage>
After removing the formwork for the slope, install two linear pavement formwork (formwork for the second layer) parallel to the sides on the road surface before and after the first layer and on the top surface of the first layer, and the asphalt finisher. The asphalt mixture is continuously poured and rolled between the two second-layer forms.
In addition, the height of the second layer is the same height (5 cm) as the form for the second layer at the top of the first layer, and the height is 0 cm near the line connecting the tip of the formwork for the second layer with a length of 2 m. Constructed to be
In addition, the space between the two forms for the second layer should be a width that allows continuous placement by the asphalt finisher, and if the entire hump width cannot be placed at one time, the Install one formwork for the second layer parallel to the side of the asphalt finisher while spreading the asphalt mixture between the side edge of the second layer and the formwork for the second layer installed. Continuously place and roll in the same manner as
If the entire hump width cannot be placed even in the second paving, the same paving as the second paving is repeated, and the second layer is placed over the entire hump width.
(Procedure 5) <Surface Finishing Stage>
The surface of the second layer is painted or road markings are applied. For painting, paint is applied to the entire surface of the hump, or synthetic resin is applied and then aggregate is sprinkled to prevent slippage.

図４は実施例に係るハンプの一層目を施工する工程を説明するための図であり、図５は実施例に係るハンプの二層目を施工する工程を説明するための図である。
本発明は、ハンプの一層目及び二層目を施工する工程に特徴があるので、その工程について詳細に説明する。 FIG. 4 is a diagram for explaining the process of constructing the first layer of the hump according to the embodiment, and FIG. 5 is a diagram for explaining the process of constructing the second layer of the hump according to the embodiment.
Since the present invention is characterized by the process of constructing the first and second layers of the hump, the process will be described in detail.

（１）＜矩形型枠設置工程＞
図４（Ａ）に示すように、一層目の矩形平場部７を施工する位置の周囲に矩形型枠１１を釘やピンにより道路上に固定して設置する。
なお、矩形型枠１１の長さ（図の上辺及び下辺の長さ）は２～４ｍ、幅（図の左辺及び右辺の長さ）はハンプを設置する道路の幅に応じた任意の長さであり、矩形型枠１１を構成する枠は、幅１５ｃｍ、高さ５ｃｍの平板である。
（２）＜矩形平場部打設工程＞
図４（Ｂ）に示すように、矩形型枠１１の内側にアスファルト混合物を撒き出しながら打設し、上面が矩形型枠１１の高さ（５ｃｍ）と同じ高さの平面となるような矩形平場部７を形成する。
（３）＜矩形型枠撤去工程＞
図４（Ｃ）に示すように、矩形型枠１１を取り外す。
（４）＜スロープ用型枠設置工程＞
図４（Ｃ）に示すように、矩形平場部７の四隅から側辺（図の上辺及び下辺）の延長線に沿って長さ１ｍのスロープ用型枠１２を釘やピンにより道路上に固定して設置する。
なお、スロープ用型枠１２を構成する枠も、矩形型枠１１を構成する枠と同様、幅１５ｃｍ、高さ５ｃｍの平板である。
（５）＜一層目のスロープ部打設工程＞
図４（Ｄ）に示すように、矩形平場部７の左上隅に設置されたスロープ用型枠１２と左下隅に設置されたスロープ用型枠１２の内側及び矩形平場部７の右上隅に設置されたスロープ用型枠１２と右下隅に設置されたスロープ用型枠１２の内側に、人力施工によってアスファルト混合物を撒き出しながら打設して上面を均し、矩形平場部７付近で高さ５ｃｍ、左側に配置されたスロープ用型枠１２の先端を結ぶ線上付近及び右側に配置されたスロープ用型枠１２の先端を結ぶ線上付近で高さが０ｃｍとなるようにローラで転圧する。
（６）＜スロープ用型枠撤去工程＞
図４（Ｅ）に示すように、スロープ用型枠１２を取り外す。
以上の工程（１）～（６）を実施することにより、ハンプの一層目の施工が終了する。 (1) <Rectangular Formwork Installation Process>
As shown in FIG. 4(A), a rectangular frame 11 is fixed on the road with nails or pins around the position where the rectangular flat portion 7 of the first layer is to be constructed.
The length of the rectangular formwork 11 (the length of the upper and lower sides in the figure) is 2 to 4 m, and the width (the length of the left and right sides in the figure) is an arbitrary length according to the width of the road on which the hump is installed. , and the frame forming the rectangular mold 11 is a flat plate with a width of 15 cm and a height of 5 cm.
(2) <Rectangular flat portion placing process>
As shown in FIG. 4(B), the asphalt mixture is spread out on the inside of the rectangular formwork 11 and poured into a rectangular shape whose upper surface is a plane with the same height as the rectangular formwork 11 (5 cm). A flat portion 7 is formed.
(3) <Rectangular Formwork Removal Process>
As shown in FIG. 4(C), the rectangular mold 11 is removed.
(4) <Slope formwork installation process>
As shown in FIG. 4(C), a slope formwork 12 with a length of 1 m is fixed on the road with nails or pins along the extension lines from the four corners of the rectangular flat portion 7 to the sides (upper and lower sides in the figure). to install.
The frame forming the slope formwork 12 is also a flat plate with a width of 15 cm and a height of 5 cm, like the frame forming the rectangular formwork 11 .
(5) <Step of placing slope portion of first layer>
As shown in FIG. 4(D), the slope formwork 12 installed in the upper left corner of the rectangular flat section 7 and the slope formwork 12 installed in the lower left corner and the slope formwork 12 installed in the upper right corner of the rectangular flat section 7 Inside the slope formwork 12 and the slope formwork 12 installed in the lower right corner, the asphalt mixture is poured out by manual construction to level the upper surface, and the height is 5 cm near the rectangular flat part 7. , near the line connecting the top ends of the slope molds 12 arranged on the left side and near the line connecting the top ends of the slope molds 12 arranged on the right side are rolled by rollers so that the height becomes 0 cm.
(6) <Slope Formwork Removal Process>
As shown in FIG. 4(E), the slope formwork 12 is removed.
By performing the above steps (1) to (6), the construction of the first hump layer is completed.

（７）＜二層目用型枠設置工程＞
図５（Ｆ）に示すように、二層目用型枠１３を２本平行に配置し、釘やピンにより路面及び一層目の上面に固定して設置する。
ここで、二層目用型枠１３の路面に固定される部分はいずれも１ｍであり、２本の二層目用型枠１３のうちの一方は一層目の側辺（図５では上辺）付近に配置し、他方はアスファルトフィニッシャのローラ幅分の間隔をあけて配置する。
なお、二層目用型枠１３を構成する枠も、矩形型枠１１及びスロープ用型枠１２を構成する枠と同様、幅１５ｃｍ、高さ５ｃｍの平板である。
また、二層目用型枠１３は１枚の平板でも良いが、矩形平場部７の上面に固定される長さ２～４ｍの平板１枚、一層目のスロープ部８の上面に固定される長さ１ｍの平板２枚、路面に固定される長さ１ｍの平板２枚で構成しても良い。
（８）＜二層目打設転圧工程＞
図５（Ｇ）に示すように、２本の二層目用型枠１３の内側に、アスファルトフィニッシャでアスファルト混合物を撒き出しながら連続的に打設及び転圧し、矩形平場部７及び一層目のスロープ部８の上部で二層目の厚さが５ｃｍとなるようにし、そこから徐々に厚さを小さくして２本の二層目用型枠１３の左端を結ぶ線上付近及び右端を結ぶ線上付近で高さが０ｃｍとなるようにする。
（９）＜二層目用型枠撤去工程＞
図５（Ｈ）に示すように、二層目用型枠１３を取り外す。
すると、二層目の平場部９及び二層目のスロープ部１０が形成される。
ここで、ハンプの幅が小さい場合には、この工程が終了するとハンプが完成するが、ハンプの幅が大きい場合には、二層目の施工を複数回行うことによりハンプが完成する。
そして、本実施例では二層目の施工を２回行うことでハンプが完成するものとする。
（１０）＜拡幅二層目用型枠設置工程＞
図５（Ｇ）で用いた２本の二層目用型枠１３を取り外した後、図５（Ｈ）に示すように、二層目用型枠１３を一層目の側辺（図５では下辺）に沿って配置し、釘やピンにより路面及び一層目の上面に固定して設置する。
そして、二層目用型枠１３の路面に固定される部分は、上述した二層目用型枠設置工程と同様いずれも１ｍであり、二層目用型枠１３と二層目打設転圧工程で形成された二層目の平場部９及び二層目のスロープ部１０の側縁との間隔はアスファルトフィニッシャのローラ幅分となるようにする。
（１１）＜拡幅二層目打設転圧工程＞
図５（Ｉ）に示すように、二層目の平場部９及び二層目のスロープ部１０の側縁１４と路面及び一層目の上面に設置された二層目用型枠１３の内側に、アスファルトフィニッシャでアスファルト混合物を撒き出しながら連続的に打設及び転圧し、矩形平場部７及び一層目のスロープ部８の上部で二層目の厚さが５ｃｍ、側縁１４の左端と二層目用型枠１３の左端を結ぶ線上付近及び側縁１４の右端と二層目用型枠１３の右端を結ぶ線上付近で高さが０ｃｍとなるようにする。
（１２）＜拡幅二層目用型枠撤去工程＞
図５（Ｊ）に示すように、二層目用型枠１３を取り外す。
すると、二層目の平場部９及び二層目のスロープ部１０の全部が形成される。 (7) <Second layer formwork installation process>
As shown in FIG. 5(F), two second-layer forms 13 are arranged in parallel and fixed to the road surface and the upper surface of the first layer with nails or pins.
Here, the portion fixed to the road surface of the second-layer formwork 13 is all 1 m, and one of the two second-layer formworks 13 is the side edge of the first layer (upper edge in FIG. 5). They are placed near each other, and the other is spaced by the width of the roller of the asphalt finisher.
The frame forming the second-layer formwork 13 is also a flat plate with a width of 15 cm and a height of 5 cm, like the frames forming the rectangular formwork 11 and the slope formwork 12 .
In addition, the second layer formwork 13 may be a single flat plate, but one flat plate with a length of 2 to 4 m fixed to the upper surface of the rectangular flat portion 7 is fixed to the upper surface of the slope portion 8 of the first layer. It may be composed of two flat plates of 1 m in length and two flat plates of 1 m in length fixed to the road surface.
(8) <Second layer placing rolling compaction process>
As shown in FIG. 5 (G), on the inside of the two second-layer forms 13, the asphalt finisher spreads the asphalt mixture while continuously placing and rolling, and the rectangular flat portion 7 and the first layer The thickness of the second layer is set to 5 cm at the top of the slope part 8, and the thickness is gradually reduced from there, near the line connecting the left ends of the two second-layer forms 13 and on the line connecting the right ends. The height is set to 0 cm in the vicinity.
(9) <Formwork removal process for the second layer>
As shown in FIG. 5(H), the second-layer formwork 13 is removed.
Then, the flat portion 9 of the second layer and the slope portion 10 of the second layer are formed.
Here, if the width of the hump is small, the hump will be completed after this step is completed, but if the width of the hump is large, the hump will be completed by performing the construction of the second layer multiple times.
In this embodiment, the hump is completed by performing the construction of the second layer twice.
(10) <Formwork installation process for the second layer of widening>
After removing the two second-layer forms 13 used in FIG. 5(G), as shown in FIG. (lower side) and fixed to the road surface and the top surface of the first layer with nails or pins.
The portions of the second-layer formwork 13 fixed to the road surface are all 1 m in length, as in the second-layer formwork installation process described above. The interval between the side edges of the second-layer flat portion 9 and the second-layer slope portion 10 formed in the pressing process is set to the roller width of the asphalt finisher.
(11) <Second layer placement and rolling compaction process for widening>
As shown in FIG. 5(I), the side edges 14 of the second-layer flat portion 9 and the second-layer slope portion 10, the road surface, and the inside of the second-layer formwork 13 installed on the upper surface of the first layer , Continuously placing and rolling while spreading the asphalt mixture with an asphalt finisher, the thickness of the second layer is 5 cm at the top of the rectangular flat part 7 and the slope part 8 of the first layer, the left end of the side edge 14 and the second layer The height is set to 0 cm near the line connecting the left end of the eye mold 13 and the line connecting the right end of the side edge 14 and the right end of the second layer mold 13 .
(12) <Step of removing formwork for widening second layer>
As shown in FIG. 5(J), the second-layer formwork 13 is removed.
Then, the flat portion 9 of the second layer and the slope portion 10 of the second layer are all formed.

実施例に係るハンプ施工方法の変形例を説明する。
（１）実施例においては、矩形型枠１１、スロープ用型枠１２及び二層目用型枠１３はいずれも高さが５ｃｍであったが、矩形型枠１１の高さとスロープ用型枠１２の一端部の高さが同じで、矩形型枠１１と二層目用型枠１３の高さの和が９～１１ｃｍになっていれば良く、例えば、矩形型枠１１と二層目用型枠１３の高さの組合せが、７ｃｍと２～４ｃｍ、６ｃｍと３～５ｃｍ、５ｃｍと４～６ｃｍといった例が考えられる。
（２）実施例のスロープ用型枠１２及び二層目用型枠１３はいずれも高さが均一（５ｃｍ）であったが、スロープ部の傾斜に合わせて先端に近くなるほど低くするとより良い。
また、スロープ部表面の断面形状は直線状でも良いが、スロープ部と路面及び平場部とのすりつけ部がなめらかとなる形状（サインカーブ状等）とすればより良い。
（３）図４（Ｃ）に示すスロープ用型枠設置工程においては、スロープ用型枠１２を四隅から４本のスロープ用型枠１２を設置したが、矩形平場部７の左端及び右端から左右に突出する２本の長いスロープ用型枠を、矩形平場部７の側辺に沿って設置しても良い。
（４）図４（Ｄ）に示す一層目のスロープ部打設工程においては、ローラで転圧したが、打設のみでも良い。
（５）実施例においては、ハンプの一層目、二層目ともに舗装材料に同じアスファルト混合物を使用したが、一層目には再生粗粒度アスファルト混合物、二層目には再生密粒度アスファルト混合物を使用するとより良い。また、二層目の舗装材料に密粒度ギャップアスファルト混合物などの耐すべり抵抗性、耐流動性を有する特殊合材を使用しても良く、二層目の表面にすべり止め舗装（薄層カラー舗装）の施工を行っても良い。 A modification of the hump construction method according to the embodiment will be described.
(1) In the example, the rectangular formwork 11, the slope formwork 12, and the second-layer formwork 13 were all 5 cm in height. The height of one end is the same, and the sum of the heights of the rectangular form 11 and the second layer form 13 is 9 to 11 cm. For example, the rectangular form 11 and the second layer form Examples of combinations of heights of the frame 13 are 7 cm and 2 to 4 cm, 6 cm and 3 to 5 cm, and 5 cm and 4 to 6 cm.
(2) Both the slope formwork 12 and the second layer formwork 13 of the example had a uniform height (5 cm), but it is better to lower the height closer to the tip according to the inclination of the slope part.
The cross-sectional shape of the surface of the slope portion may be linear, but it is better if it is a shape (such as a sine curve shape) in which the slope portion, the road surface, and the flat portion are smoothly rubbed with each other.
(3) In the step of installing the slope formwork shown in FIG. It is also possible to install two long slope forms protruding outward along the sides of the rectangular flat portion 7 .
(4) In the step of placing the first layer of slope portion shown in FIG.
(5) In the examples, the same asphalt mixture was used as the pavement material for both the first and second layers of the hump, but the recycled coarse-grained asphalt mixture was used for the first layer, and the recycled dense-grained asphalt mixture was used for the second layer. Better then. In addition, a special mixture with slip resistance and flow resistance such as a dense-grain gap asphalt mixture may be used for the second layer pavement material, and the surface of the second layer is anti-slip pavement (thin layer color pavement ) may be constructed.

１ 道路 ２、４ スロープ部 ３ 平場部
５ 路側帯や車線を示す線 ６ 三角形の路面標示
７ 一層目の矩形平場部 ８ 一層目のスロープ部
９ 二層目の平場部 １０ 二層目のスロープ部
１１ 矩形型枠 １２ スロープ用型枠
１３ 二層目用型枠 １４ 二層目のスロープ部１０の側縁 1 Road 2, 4 Slope section 3 Flat section 5 Lines indicating side strips and lanes 6 Triangular road markings 7 Rectangular flat section on the first layer 8 Slope section on the first layer 9 Flat section on the second layer 10 Slope section on the second layer 11 rectangular formwork 12 formwork for slope 13 formwork for second layer 14 side edge of slope part 10 of second layer

Claims (2)

一層目の矩形平場部、前記矩形平場部の前後に形成される一層目のスロープ部並びに前記矩形平場部と前記一層目のスロープ部の上面に形成される二層目の平場部及びスロープ部からなるハンプを、舗装材料を用いて道路上に施工するハンプ施工方法であって、
次の（１）～（９）の工程を実施することを特徴とするハンプ施工方法。
（１）前記矩形平場部を施工する位置の周囲に矩形型枠を設置する矩形型枠設置工程。
（２）前記矩形型枠の高さと前記矩形平場部の高さが一致するように、前記矩形型枠の内側に舗装材料を撒き出しながら打設する矩形平場部打設工程。
（３）前記矩形型枠を取り外す矩形型枠撤去工程。
（４）前記矩形平場部の側辺の延長線に沿ってスロープ用型枠を設置するスロープ用型枠設置工程。
（５）前記一層目のスロープ部の長さが、前記矩形平場部の隅から前記スロープ用型枠の先端までの長さと同じ長さとなるように、前記スロープ用型枠の内側に舗装材料を撒き出しながら打設する一層目のスロープ部打設工程。
（６）前記スロープ用型枠を取り外すスロープ用型枠撤去工程。
（７）前記矩形平場部及び前記一層目のスロープ部の上面に、それらの側辺に対して平行に２本の二層目用型枠を設置する二層目用型枠設置工程。
（８）前記矩形平場部及び前記一層目のスロープ部の上面に、前記二層目用型枠と同じ長さの前記二層目の平場部及びスロープ部のうちの一部又は全部が形成されるように、前記２本の二層目用型枠の内側に舗装材料を撒き出しながら連続的に打設及び転圧する二層目打設転圧工程。
（９）前記二層目用型枠を取り外す二層目用型枠撤去工程。 From the rectangular flat portion of the first layer, the slope portions of the first layer formed before and after the rectangular flat portion, and the flat portion and the slope portion of the second layer formed on the upper surface of the rectangular flat portion and the slope portion of the first layer A hump construction method for constructing a hump on a road using a paving material,
A hump construction method characterized by carrying out the following steps (1) to (9).
(1) Rectangular formwork installation step of installing a rectangular formwork around the position where the rectangular flat section is to be constructed.
(2) A step of placing the paving material while pouring out the paving material inside the rectangular form so that the height of the rectangular form and the height of the rectangular flat part are matched.
(3) Rectangular mold removing step of removing the rectangular mold.
(4) A step of installing a slope formwork along an extension line of a side edge of the rectangular flat portion.
(5) Pavement material is placed inside the slope formwork so that the length of the first slope part is the same as the length from the corner of the rectangular flat part to the tip of the slope formwork. The step of placing the first layer of the slope while pouring it out.
(6) A step of removing the slope formwork for removing the slope formwork.
(7) A second-layer formwork installation step of installing two second-layer formworks on the upper surfaces of the rectangular flat portion and the first-layer slope portion parallel to their side edges.
(8) Part or all of the flat portion and slope portion of the second layer having the same length as the formwork for the second layer is formed on the upper surface of the rectangular flat portion and the slope portion of the first layer. A second layer placing and rolling compaction step in which the paving material is continuously placed and rolled while spreading the paving material inside the two second layer forms.
(9) Second-layer formwork removal step of removing the second-layer formwork. 前記二層目用型枠撤去工程によって前記二層目の平場部及びスロープ部のうちの一部が形成された後に、次の（１０）～（１２）の工程を実施することを特徴とする請求項１に記載のハンプ施工方法。
（１０）前記矩形平場部及び前記一層目のスロープ部の上面に、前記二層目の平場部及びスロープ部の側辺に対して平行に前記二層目用型枠を設置する拡幅二層目用型枠設置工程。
（１１）前記矩形平場部及び前記一層目のスロープ部の上面に、前記二層目用型枠と同じ長さの前記二層目の平場部及びスロープ部のうちの一部が形成されるように、前記二層目の平場部及びスロープ部の側縁と前記二層目用型枠との内側に舗装材料を撒き出しながら連続的に打設及び転圧する拡幅二層目打設転圧工程。
（１２）前記二層目用型枠を取り外す拡幅二層目用型枠撤去工程。 It is characterized in that the following steps (10) to (12) are performed after a part of the flat portion and the slope portion of the second layer is formed by the step of removing the formwork for the second layer. The hump construction method according to claim 1.
(10) Widening second layer in which the formwork for the second layer is installed on the upper surface of the rectangular flat section and the slope section of the first layer in parallel with the sides of the flat section and the slope section of the second layer. Formwork installation process.
(11) A part of the flat part and the slope part of the second layer having the same length as the formwork for the second layer is formed on the upper surface of the rectangular flat part and the slope part of the first layer. 2, a width-enlarging second-layer placing and rolling compaction step of continuously pouring and rolling the paving material while sprinkling the paving material inside the side edges of the flat and slope portions of the second layer and the second-layer formwork. .
(12) A widening second-layer formwork removing step of removing the second-layer formwork.
JP2022005241A 2022-01-17 2022-01-17 Hump construction method Pending JP2023104322A (en)

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