JP2012154085A - Method for forming reinforced soil wall, and safety fence - Google Patents

Method for forming reinforced soil wall, and safety fence Download PDF

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JP2012154085A
JP2012154085A JP2011013416A JP2011013416A JP2012154085A JP 2012154085 A JP2012154085 A JP 2012154085A JP 2011013416 A JP2011013416 A JP 2011013416A JP 2011013416 A JP2011013416 A JP 2011013416A JP 2012154085 A JP2012154085 A JP 2012154085A
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hook
shaped
shaped locking
wall surface
opening
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JP5345642B2 (en
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Shigeru Muramatsu
繁 村松
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SANKEI KOUKI CORP
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Abstract

PROBLEM TO BE SOLVED: To provide a method for forming a reinforced soil wall, which enables construction operations to be performed as fall prevention measures are taken, and a safety fence for use in the same.SOLUTION: In a method for forming a reinforced soil wall, a plurality of wall surface members are heaped up; at least two hook-shaped locking implements are detachably fixed by hooking hook parts of the at least two hook-shaped locking implements on upper ends of the wall surface members adjoining each other across an opening, respectively; and both ends of a rod-like member crossing the opening are locked to the at least two fixed hook-shaped locking implements.

Description

本発明は、垂直盛土又は垂直に近い盛土を構築する補強土壁の形成方法及びこれに用いる安全柵に関する。   The present invention relates to a method for forming a reinforced earth wall for constructing a vertical embankment or a near-vertical embankment and a safety fence used therefor.

道路整備工事や宅地造成工事等において、用地の確保が困難な場所では、垂直盛土又は垂直に近い盛土を構築する補強土壁工法が採用される。補強土壁工法の代表的な工法としては、盛土内部に帯状の補強材（ストリップ）を層状に配置させ、帯状の補強材をコンクリートパネル等からなる壁面部材（スキン）に連結させ、強固な擁壁を得るテールアルメ工法がある。   In places where it is difficult to secure a site for road maintenance work or residential land preparation work, a reinforced earth wall construction method is adopted in which a vertical bank or a vertical bank is constructed. As a typical method of the reinforced earth wall construction method, a strip-shaped reinforcing material (strip) is arranged in layers inside the embankment, and the strip-shaped reinforcing material is connected to a wall surface member (skin) made of concrete panels, etc. There is a tail arme method for obtaining walls.

このテールアルメ工法は、例えば図６に示すように、ブロック状の壁面部材４を一段ずつ積み上げ、その壁面部材４の内側に帯状の補強材を敷設し、盛土材５を埋め戻して締固めする工程を繰り返すことにより行われる。このブロック状の壁面部材４は強度確保のため、互い違い、すなわち、上下方向の壁面部材４の列に隣接する壁面部材４の列が、壁面部材４の高さの半分だけ、ずれた状態で積み上げられる構造となっている。そのため、工事期間中に亘って、積み上げた段の壁面部材４とその前の工程で積み上げた一段下の壁面部材４との間に、壁面部材４の幅と略同じ幅の開口部４２が生じる。この開口部４２から壁面部材４の外側に人や物が落下する危険を有することから、図６に示すように、壁面部材４の内側に杭６を打ち込み、杭６に標識ロープ７を張ることにより、開口部４２からの人や物の落下防止対策を行っていた。   For example, as shown in FIG. 6, this tail arme method is a process in which block-shaped wall members 4 are stacked one by one, a band-shaped reinforcing material is laid inside the wall member 4, and the embedding material 5 is backfilled and compacted. It is done by repeating. In order to ensure strength, the block-like wall surface members 4 are staggered, that is, the rows of the wall surface members 4 adjacent to the rows of the wall surface members 4 in the vertical direction are stacked in a state where they are shifted by half the height of the wall surface members 4. It has a structure. Therefore, an opening 42 having a width substantially the same as the width of the wall surface member 4 is generated between the stacked wall surface member 4 and the lower wall surface member 4 stacked in the previous step over the construction period. . Since there is a risk that a person or an object will fall from the opening 42 to the outside of the wall surface member 4, as shown in FIG. 6, the pile 6 is driven inside the wall surface member 4 and the marker rope 7 is stretched on the pile 6. Thus, measures are taken to prevent people and objects from falling from the opening 42.

しかしながら、図６に示す落下防止対策では、壁面部材４の内側近くでの工事作業の際に、杭６や標識ロープ７が工事作業の妨げとなることがあり、杭６や標識ロープ７を撤去して作業を行うことがあった。そのため、開口部４２に最も接近する際に落下防止対策がなされないという問題があった。   However, in the fall prevention measures shown in FIG. 6, the pile 6 and the sign rope 7 may interfere with the work when the work is performed near the inside of the wall member 4, and the pile 6 and the sign rope 7 are removed. And sometimes did work. For this reason, there is a problem in that no drop prevention measures are taken when approaching the opening 42 most closely.

また、壁面部材４を積み上げる度又は盛土材５を埋め戻して締固めする度に、杭６を打ちなおして標識ロープ７を張り替える必要があり、手間がかかるという問題があった。さらに、工事作業中に人や作業機械等に接触して杭６が倒れたり、ロープ７が緩むことがあり、落下防止対策として十分なものでないという問題があった。   In addition, each time the wall surface member 4 is stacked or the embedding material 5 is backfilled and compacted, it is necessary to rework the pile 6 and replace the marker rope 7, which is troublesome. Furthermore, there is a problem that the pile 6 may fall or the rope 7 may come loose when it contacts a person or a work machine during the construction work, which is not sufficient as a fall prevention measure.

本発明は上述した点に鑑み案出されたもので、その目的は、落下防止対策をしたまま、工事作業を行うことのできる補強土壁の形成方法及びこれに用いる安全柵を提供することにある。   The present invention has been devised in view of the above points, and its purpose is to provide a method for forming a reinforced earth wall that can be used for construction work while taking measures to prevent dropping, and a safety fence used therefor. is there.

本発明の他の目的は、安全性の高い落下防止対策がなされた補強土壁の形成方法及び人が接触する等しても十分な強度を有する安全性の高い安全柵を提供することにある。   Another object of the present invention is to provide a method for forming a reinforced earth wall with a highly safe fall prevention measure and a highly safe safety fence having sufficient strength even if a person comes into contact with it. .

本発明のさらに他の目的は、手間がかからず、簡単に行うことのできる落下防止対策がなされた補強土壁の形成方法及び取り付けが容易な安全柵を提供することにある。   Still another object of the present invention is to provide a method for forming a reinforced earth wall and a safety fence that is easy to attach, and that is easy and easy to carry out, and that is easy to carry out.

上記課題を解決するため、本発明の補強土壁の形成方法は、複数の壁面部材を積み上げ、開口部を挟んで隣接する壁面部材の上端部に少なくとも２つの鉤状係止具の鉤部をそれぞれ引掛けて少なくとも２つの鉤状係止具を取り外し自在に固定し、固定した少なくとも２つの鉤状係止具に開口部を横切る棒状部材の両端部を係止する。   In order to solve the above-mentioned problem, a method for forming a reinforced earth wall according to the present invention includes stacking a plurality of wall surface members, and attaching at least two hook-shaped locking member hooks to the upper end portion of adjacent wall surface members across the opening. Each of the hooks is hooked to detachably fix at least two hook-shaped locking devices, and both ends of the rod-shaped member crossing the opening are locked to the fixed at least two hook-shaped locking tools.

補強土壁を形成する際には、その工程において積み上げた壁面部材と前の工程で積み上げた一段下の壁面部材との間に、壁面部材の幅と略同じ幅の開口部が生じる。この開口部を挟んで隣接する両方の壁面部材の上端部に、鉤状係止具の鉤部をそれぞれ引掛けて取り付ける。これらの鉤状係止具は、壁面部材の上から鉤部を引掛けることで固定されているため、取り付けが極めて容易である。次に、壁面部材に固定した鉤状係止具に棒状部材の両端部を夫々取り付けて係止させると、上述した開口部を棒状部材が横切り、開口部に安全柵が設けられる。それゆえ、開口部の内側から外側に向けて物等が倒れたとしても、棒状部材が倒れた物等を受け止めることができると共に手摺にもなり、落下防止対策がなされる。また、安全柵は壁面部材に固定されていることから、ストリップ敷設や盛土作業の妨げとなることがなく、安全柵を取り付けたまま、これらの工事作業を行うことができる。   When the reinforced earth wall is formed, an opening having a width substantially equal to the width of the wall surface member is generated between the wall surface member stacked in the process and the wall surface member one level lower in the previous process. The hooks of the hook-shaped locking tool are respectively hooked and attached to the upper ends of both wall members adjacent to each other with the opening interposed therebetween. Since these hook-shaped locking tools are fixed by hooking the hook from the top of the wall member, it is very easy to mount. Next, when both ends of the bar-shaped member are attached and locked to the hook-shaped locking tool fixed to the wall surface member, the bar-shaped member crosses the opening described above, and a safety fence is provided at the opening. Therefore, even if an object or the like falls from the inside to the outside of the opening, it can receive the object or the like that the rod-shaped member has fallen, and it can also be used as a handrail, thereby taking measures to prevent falling. Moreover, since the safety fence is fixed to the wall surface member, these construction works can be performed with the safety fence attached without interfering with strip laying or embankment work.

他方、鉤状係止具は壁面部材の上端部に引掛けることで固定されているため、取り外し自在であり、鉤状係止具を引掛けた方向、すなわち壁面部材の垂直上方向に戻すことにより、簡単に取り外すことができる。それゆえ、次の段の壁面部材を積み上げる際には、壁面部材から鉤状係止具を一旦取り外し、積み上げた次の段の壁面部材に再び鉤状係止具を引掛けて取り付けると共に棒状部材を係止させ、次の段に生じた開口部に容易に安全柵を設けることができる。   On the other hand, the hook-shaped locking tool is fixed by being hooked to the upper end of the wall surface member, so that it can be removed and returned to the direction in which the hook-shaped locking device is hooked, that is, the vertical upward direction of the wall surface member. Can be easily removed. Therefore, when stacking the wall member of the next step, remove the hook-shaped latching tool from the wall member once, attach the hook-shaped latching device again to the stacked wall member of the next stage, and attach the rod-shaped member. And a safety fence can be easily provided at the opening formed in the next stage.

また、本発明の補強土壁の形成方法は、固定した少なくとも２つの鉤状係止具に開口部を互いに平行に横切る複数の棒状部材の両端部を係止することも好ましい。鉤状係止具に、開口部を互いに平行に横切る複数の棒状部材を係止させることにより、開口部に設けられる安全柵の本数及び安全柵の強度が増え、工事作業の安全性を高めることができる。   Further, in the method for forming a reinforced earth wall according to the present invention, it is also preferable that both ends of a plurality of rod-shaped members that cross the opening in parallel with each other are fixed to at least two anchor-shaped locking tools that are fixed. By locking a plurality of rod-shaped members that cross the opening in parallel with each other, the number of safety fences provided in the openings and the strength of the safety fences are increased and the safety of construction work is increased. Can do.

他方、固定した少なくとも２つの鉤状係止具に開口部を互いに交差して横切る複数の前記棒状部材の両端部を係止することも好ましい。鉤状係止具に、開口部を互いに交差して横切る複数の棒状部材を係止させることにより、開口部に設けられる安全柵の本数及び安全柵の強度が増し、安全性を高めることができる。   On the other hand, it is also preferable to lock both ends of the plurality of rod-shaped members that cross the opening and cross each other with at least two hook-shaped locking tools that are fixed. By locking a plurality of rod-shaped members crossing and crossing the opening to the hook-shaped locking tool, the number of safety fences provided in the opening and the strength of the safety fence can be increased, and safety can be improved. .

また、本発明の補強土壁の形成方法は、壁面部材の上端部と少なくとも２つの鉤状係止具との間にゴム材を介在させることも好ましい。ゴム材が介在することにより、鉤状係止具が壁面部材に取り付けられた位置からずれたり滑ったりするのを防ぐと共に、鉤状係止具が接触することによる壁面部材の損傷を防ぐことができる。   In the method for forming a reinforced earth wall according to the present invention, it is also preferable that a rubber material is interposed between the upper end portion of the wall surface member and at least two hook-shaped locking tools. By interposing the rubber material, it is possible to prevent the hook-shaped locking device from shifting or sliding from the position attached to the wall surface member, and to prevent damage to the wall surface member due to contact of the hook-shaped locking device. it can.

さらに、鉤状係止具及び／又は棒状部材として、蓄光塗料が塗布された鉤状係止具及び／又は棒状部材を用いることも好ましい。夕方や夜間においても、蓄光塗料が塗布された鉤状係止具及び／又は棒状部材が光り、開口部の場所を認識することができるため、工事作業の安全性を高めることができる。   Furthermore, it is also preferable to use a hook-shaped locking tool and / or a bar-shaped member to which a phosphorescent paint is applied as the hook-shaped locking tool and / or the bar-shaped member. Even in the evening or at night, the hook-like locking device and / or the bar-like member to which the phosphorescent paint is applied can shine and the location of the opening can be recognized, so that the safety of construction work can be improved.

さらに、上記課題を解決するため、本発明の安全柵は、開口部を挟んで隣接する壁面部材の上端部に引掛けるための鉤部及び少なくとも２つの係止部を各々が有する２つの鉤状係止具と、２つの鉤状係止具の各々の少なくとも２つの係止部に係止可能な被係止部を両端部に有し、開口部を横切って設置可能な少なくとも２つの棒状部材とを備えている。   Furthermore, in order to solve the above-mentioned problem, the safety fence of the present invention has two hook-like shapes each having a hook part and at least two locking parts for hooking on the upper end part of the adjacent wall member across the opening part. At least two rod-shaped members that have locking portions and locked portions that can be locked to at least two locking portions of each of the two hook-shaped locking devices at both ends and can be installed across the opening. And.

本発明の安全柵は、少なくとも２つの鉤状係止具と、少なくとも２つの棒状部材とから構成されている。鉤状係止具は、壁面部材の上端部に引掛けて取り付けるための鉤部と、棒状部材を係止するための係止部を少なくとも２つ備えている。他方、棒状部材はその両端に鉤状係止具の係止部に係止される被係止部を備えており、安全柵が設置される開口部を横切って配置されることができる長さを有している。   The safety fence of the present invention is composed of at least two hook-shaped locking devices and at least two bar-shaped members. The hook-shaped locking tool includes at least two hooks for hooking and attaching to the upper end of the wall surface member and locking parts for locking the bar-shaped member. On the other hand, the rod-shaped member is provided with a locked portion that is locked to the locking portion of the hook-shaped locking device at both ends, and can be arranged across the opening where the safety fence is installed. have.

本発明の安全柵は、開口部を挟んで隣接する壁面部材の上端部に、少なくとも２つの鉤状係止具の鉤部をそれぞれ引掛けることで取り付けられる。これらの鉤状係止具は、壁面部材の上から鉤状係止具の鉤部を引掛けることで固定されるため、取り付けが極めて容易であると共に取り外しも自在である。壁面部材に固定した鉤状係止具の係止部に棒状部材の被係止部を係止させると、上述の開口部を棒状部材が横切るように配置されて安全柵となり、開口部の内側から外側に向けて物等が倒れたとしても、棒状部材が柵として倒れた物等を受け止めることができると共に手摺にもなる。また、本発明の安全柵は壁面部材に固定されて用いられることから、盛土作業等の妨げとなることがなく、安全柵を取り付けたまま工事作業を行うことができる。   The safety fence of the present invention is attached by hooking the flanges of at least two hook-shaped locking devices respectively on the upper ends of the wall members adjacent to each other with the opening interposed therebetween. Since these hook-shaped locking tools are fixed by hooking the hooks of the hook-shaped locking tools from above the wall surface member, they are extremely easy to attach and can be removed. When the locked portion of the rod-shaped member is locked to the locking portion of the hook-shaped locking device fixed to the wall surface member, the rod-shaped member is arranged so as to cross the above-mentioned opening, and becomes a safety fence, and the inside of the opening Even if an object or the like falls from the outside toward the outside, the rod-like member can receive the fallen object or the like as a fence, and also serves as a handrail. In addition, since the safety fence of the present invention is used while being fixed to the wall surface member, construction work can be performed with the safety fence attached without hindering the embankment work or the like.

また、本発明の安全柵の鉤状係止具は、少なくとも一部がゴムで被覆されていることも好ましい。鉤状係止具をゴムで被覆することにより、鉤状係止具が壁面部材に取り付けられた位置からずれたり滑ったりするのを防ぐと共に、鉤状係止具が強い力で接触することによって生じる壁面部材の傷を防ぐことができる。   Moreover, it is also preferable that at least a part of the hook-shaped locking member of the safety fence of the present invention is covered with rubber. By covering the hook-shaped locking device with rubber, it prevents the hook-shaped locking device from being displaced or slipped from the position attached to the wall member, and the hook-shaped locking device is brought into contact with a strong force. The damage of the wall surface member which arises can be prevented.

さらに、本発明の安全柵の鉤状係止具及び／又は棒状部材には、蓄光塗料が塗布されていることも好ましい。夕方や夜間においても、蓄光塗料が塗布された鉤状係止具及び／又は棒状部材が光り、開口部の場所を認識できるため、安全性を高めることができる。   Furthermore, it is also preferable that a phosphorescent paint is applied to the hook-shaped locking member and / or the rod-shaped member of the safety fence of the present invention. Even in the evening or at night, the hook-like locking device and / or the rod-like member to which the phosphorescent paint is applied shines and the location of the opening can be recognized, so that safety can be improved.

本発明によれば、以下のような優れた効果を有する補強土壁の形成方法及びこれに用いる安全柵を提供することができる。
（１）安全柵を取り付けたまま、盛土作業等の工事作業を安全に行うことができる。
（２）開口部に丈夫な構造の棒状の柵が設けられるため、工事作業の安全性が高められる。
（３）安全柵の取り付け及び取り外しが容易であり、また、その際に専門的な技術や工具を必要とせず、取り付け及び取り外しのための時間や手間が少ない。 ADVANTAGE OF THE INVENTION According to this invention, the formation method of the reinforced earth wall which has the following outstanding effects, and the safety fence used for this can be provided.
(1) Construction work such as embankment work can be performed safely with the safety fence attached.
(2) Since a sturdy bar-shaped fence is provided in the opening, the safety of the construction work is improved.
(3) It is easy to attach and remove the safety fence, and at that time, it does not require specialized techniques and tools, and requires less time and effort for installation and removal.

本発明の第１の実施形態に係る安全柵の使用状態を示す斜視図である。It is a perspective view which shows the use condition of the safety fence which concerns on the 1st Embodiment of this invention. 図１に示す安全柵の使用状態の部分拡大図である。It is the elements on larger scale of the use condition of the safety fence shown in FIG. 本発明の第１の実施形態に係る安全柵を構成する鉤状係止具を示す斜視図である。It is a perspective view which shows the hook-shaped locking tool which comprises the safety fence which concerns on the 1st Embodiment of this invention. 本発明の第２の実施形態に係る安全柵を構成する鉤状係止具を示す斜視図である。It is a perspective view which shows the hook-shaped locking tool which comprises the safety fence which concerns on the 2nd Embodiment of this invention. 本発明の第３の実施形態に係る安全柵のその他の使用状態を示す斜視図である。It is a perspective view which shows the other use condition of the safety fence which concerns on the 3rd Embodiment of this invention. 従来用いられている一般的な落下防止対策の状況を示す斜視図である。It is a perspective view which shows the condition of the general fall prevention measure used conventionally.

以下、図１〜図３を参照しつつ本発明の第１の実施形態に係る安全柵について説明する。   The safety fence according to the first embodiment of the present invention will be described below with reference to FIGS.

図１及び図２に示すように、本実施形態の補強土壁の形成方法に用いる安全柵１は、２つの鉤状係止具２と、２つの棒状部材３とから主に構成されている。鉤状係止具２は、壁面部材４の上端部４１に引掛けるための鉤部２１１と、棒状部材３を係止するための係止部２１２を備えている。他方、棒状部材３はその両端に鉤状係止具２の係止部２１２に係止される被係止部３１１を備えており、安全柵１が設置される開口部４２を横切って配置される長さを有している。   As shown in FIG.1 and FIG.2, the safety fence 1 used for the formation method of the reinforced earth wall of this embodiment is mainly comprised from the two hook-shaped locking tools 2 and the two rod-shaped members 3. As shown in FIG. . The hook-shaped locking tool 2 includes a hook part 211 for hooking the upper end part 41 of the wall surface member 4 and a locking part 212 for locking the bar-shaped member 3. On the other hand, the rod-shaped member 3 includes a locked portion 311 that is locked to the locking portion 212 of the hook-shaped locking device 2 at both ends thereof, and is disposed across the opening 42 where the safety fence 1 is installed. Has a length.

まず、鉤状係止具２について説明する。図２及び図３に示すように、鉤状係止具２は一方の開放端部辺が長く伸びた略コ字形状であり、Ｌ字形の鉤部２１１と、鉤部２１１の一方の端部から長く伸びる支持部２１３に配置される２つの係止部２１２とを有する。鉤状係止具２は、壁面部材４の上端部４１に引掛けて用いることから、鉤部２１１の上端部４１に引掛かる部分の長さＷは、壁面部材４の奥行長さ（厚み）よりも長くなるように調整されている。例えば、鉤状係止具２をテールアルメ工法のコンクリートパネルからなる壁面部材４に引掛けて用いる際には、コンクリートパネルの厚みが通常１０ｃｍ〜１８ｃｍであることから、鉤部２１１の壁面部材４の上端部４１に引掛かる部分の長さＷは、それらのコンクリートパネルの厚みよりも長くなるように調整される。   First, the hook-shaped locking tool 2 will be described. As shown in FIGS. 2 and 3, the hook-shaped locking device 2 has a substantially U-shape in which one open end side extends long, and has an L-shaped hook portion 211 and one end portion of the hook portion 211. And two locking portions 212 arranged on a support portion 213 extending long from the bottom. Since the hook-shaped locking device 2 is hooked on the upper end portion 41 of the wall surface member 4, the length W of the portion hooked on the upper end portion 41 of the flange portion 211 is the depth length (thickness) of the wall surface member 4. It has been adjusted to be longer. For example, when the hook-shaped locking tool 2 is used by being hooked on the wall surface member 4 made of a concrete panel of the tail arme method, the thickness of the concrete panel is usually 10 cm to 18 cm. The length W of the portion hooked on the upper end 41 is adjusted so as to be longer than the thickness of the concrete panels.

鉤部２１１及び支持部２１３の素材としては、安全柵１の強度を確保する観点から、ステンレス鋼、炭素鋼、鉄又はアルミニウム等の金属が挙げられる。金属の形状としては、断面が円形、矩形、多角形、Ｌ型、又はＨ型等の棒並びに丸パイプ又は角パイプ等が挙げられる。本実施形態の鉤部２１１及び支持部２１３は、断面が円形の金属棒を曲げ加工することにより、鉤状係止具２の鉤部２１１及び支持部２１３が形成されている。   As a material of the collar part 211 and the support part 213, metals, such as stainless steel, carbon steel, iron, or aluminum, are mentioned from a viewpoint of ensuring the intensity | strength of the safety fence 1. FIG. Examples of the metal shape include a rod having a circular, rectangular, polygonal, L-shaped, or H-shaped cross section, and a round pipe or a square pipe. The flange part 211 and the support part 213 of this embodiment form the flange part 211 and the support part 213 of the hook-shaped locking tool 2 by bending a metal bar having a circular cross section.

また、鉤状係止具２が接触することによって壁面部材４が傷つくのを防ぐため、図２及び図３のように、鉤状係止具２の鉤部２１１をゴム材２１４で被覆することが好ましい。また、鉤部２１１をゴム材２１４で被覆することにより、鉤状防止具２が取り付けられた位置からずれることを防ぎ、鉤状係止具２を安定して壁面部材４に固定することができる。用いられるゴム材としては、特に限定されないが、天然ゴム、合成ゴム又は熱可塑性エラストマ等が挙げられる。   Moreover, in order to prevent the wall surface member 4 from being damaged by the contact of the hook-shaped locking device 2, the hook portion 211 of the hook-shaped locking device 2 is covered with a rubber material 214 as shown in FIGS. Is preferred. Further, by covering the collar portion 211 with the rubber material 214, it is possible to prevent the collar-shaped locking device 2 from being displaced from the position where the collar-shaped preventing device 2 is attached, and to stably fix the collar-shaped locking device 2 to the wall surface member 4. . Although it does not specifically limit as a rubber material used, Natural rubber, a synthetic rubber, a thermoplastic elastomer, etc. are mentioned.

本実施形態においては、図２及び図３に示すように、鉤部２１１の一方の端部から伸びる支持部２１３には２つの係止部２１２が備えられている。備えられる係止部２１２の数は、特に限定されないが、係止できる棒状部材３の本数を増やすことによって開口部４２に設けられる安全柵１の安全性が高まる観点から、２つ以上あることが好ましい。係止部２１２の構造は、棒状部材３を係止できる構造であればよく、特に限定されないが、グラビティロックピン、ボルト等で留めるためのねじ孔又はフック等が挙げられる。特に、取り付けに係る嵌脱が簡単であることから、グラビティロックピンが好ましい。   In the present embodiment, as shown in FIGS. 2 and 3, the support portion 213 extending from one end portion of the flange portion 211 is provided with two locking portions 212. The number of the locking portions 212 provided is not particularly limited, but there may be two or more from the viewpoint of increasing the safety of the safety fence 1 provided in the opening 42 by increasing the number of rod-shaped members 3 that can be locked. preferable. The structure of the locking part 212 is not particularly limited as long as the bar-shaped member 3 can be locked, and examples thereof include a screw hole or a hook for fastening with a gravity lock pin, a bolt or the like. In particular, a gravity lock pin is preferable because fitting and unloading are easy.

次に、図１及び図２を用いて、鉤状係止具２に係止される棒状部材３について説明する。棒状部材３は、その両端部に鉤状係止具２の係止部２１２に係止される被係止部３１１を備えている。被係止部３１１の構造は、鉤状係止具２の係止部２１２に係止される構造であればよく、特に限定されないが、取り付け孔又はボルト等で留めるためのねじ孔等が挙げられる。棒状部材３の素材としては、安全柵１の強度を確保する観点から、ステンレス鋼、炭素鋼、鉄又はアルミニウム等の金属が挙げられる。金属の形状としては、断面が円形、楕円形、矩形又は多角形の棒並びに丸パイプ又は角パイプ等が挙げられる。   Next, the rod-shaped member 3 locked to the hook-shaped locking tool 2 will be described with reference to FIGS. 1 and 2. The rod-shaped member 3 includes a locked portion 311 that is locked to the locking portion 212 of the hook-shaped locking device 2 at both ends thereof. The structure of the to-be-latched part 311 is not particularly limited as long as it is a structure that can be latched by the latching part 212 of the hook-shaped latching tool 2, and includes a mounting hole or a screw hole for fastening with a bolt or the like. It is done. As a raw material of the rod-shaped member 3, metals, such as stainless steel, carbon steel, iron, or aluminum, are mentioned from a viewpoint of ensuring the intensity | strength of the safety fence 1. FIG. Examples of the metal shape include a rod having a circular, elliptical, rectangular or polygonal cross section, a round pipe or a square pipe.

また、本実施形態にかかる安全柵１については、鉤状係止具２又は棒状部材３の少なくとも一部に蓄光塗料が塗布されていてもよい。夕方や夜間においても、蓄光塗料が塗布された部分が光るため、安全柵１を設置している位置を特定することができる。特に、棒状部材３に蓄光塗料を塗布することにより、開口部４２の位置を特定することができるため、危険回避が可能であり、安全性が高められる。   Moreover, about the safety fence 1 concerning this embodiment, the phosphorescent paint may be apply | coated to at least one part of the hook-shaped locking tool 2 or the rod-shaped member 3. FIG. Even in the evening or at night, the portion where the phosphorescent paint is applied shines, so the position where the safety fence 1 is installed can be specified. In particular, since the position of the opening 42 can be specified by applying a phosphorescent paint to the rod-shaped member 3, danger can be avoided and safety can be improved.

次に、図１及び図２を用いて、本発明の第１の実施形態に係る安全柵１の使用方法及び補強土壁の形成方法について説明する。   Next, the usage method of the safety fence 1 which concerns on the 1st Embodiment of this invention, and the formation method of a reinforced earth wall are demonstrated using FIG.1 and FIG.2.

本実施形態にかかる補強土壁の形成方法としては、まず、法面となる部分に壁面部材４を積み上げる。図１に示すように、土壁の強度確保のため、上下方向の壁面部材４の列に隣接する列は壁面部材４の高さ半分だけ、ずれた状態となるように壁面部材４を積み上げる。すると、積み上げた壁面部材４とその前の工程で積み上げた一段下の壁面部材４との間に、壁面部材４の幅と略同じ幅の開口部４２が生じる。   As a method for forming a reinforced earth wall according to the present embodiment, first, the wall surface member 4 is piled up on the slope. As shown in FIG. 1, in order to ensure the strength of the earth wall, the wall surface members 4 are stacked so that the rows adjacent to the rows of the wall surface members 4 in the vertical direction are shifted by half the height of the wall surface members 4. Then, an opening 42 having a width substantially the same as the width of the wall surface member 4 is generated between the stacked wall surface member 4 and the lower wall surface member 4 stacked in the previous step.

ここで、図１及び図２に示すとおり、この開口部４２を挟んで隣接する両方の壁面部材４の上端部４１に、鉤状係止具２の鉤部２１１が壁面部材４の外側（法面側）、係止部２１２が壁面部材４の内側（盛土等を行う工事作業側）となるように、それぞれ鉤状係止具２の鉤部２１１を引掛けて取り付ける。次に、壁面部材４に取り付けた鉤状係止具２の係止部２１２に棒状部材３の両端に備えられた被係止部３１１を係止する。係止の際には、開口部４２を棒状部材３が互いに平行に横切るように配置させて取り付ける。   Here, as shown in FIG. 1 and FIG. 2, the flange portion 211 of the hook-shaped locking member 2 is placed on the outer side of the wall surface member 4 on the upper end portions 41 of both wall surface members 4 adjacent to each other with the opening 42 interposed therebetween. The hook portion 211 of the hook-shaped locking device 2 is hooked and attached so that the locking portion 212 is on the inner side of the wall surface member 4 (the construction work side where embankment or the like is performed). Next, the locked portions 311 provided at both ends of the rod-shaped member 3 are locked to the locking portions 212 of the hook-shaped locking tool 2 attached to the wall surface member 4. At the time of locking, the opening 42 is disposed and attached so that the bar-shaped members 3 cross each other in parallel.

図１に示す本実施形態において、棒状部材３としてはその両端部に取り付け穴を有する２本の丸パイプが選択されており、鉤状係止具２の係止部２１２としてはグラビティロックピンが支持部２１３の上下方向に２つ配置されている。具体的な取り付け方法としては、一方の壁面部材４の上端部４１に取り付けた鉤状係止具２の上側のグラビティロックピンを棒状部材３の一方の端の取り付け孔に差し込んで取り付け、もう一方の壁面部材４に取り付けた鉤状係止具２の上側のグラビティロックピンを棒状部材３のもう一方の端の取り付け孔に差し込んで取り付ける。次に、鉤状係止具２の下側のグラビティロックピンについても同様に棒状部材３の取り付けを行う。その結果、開口部４２に棒状部材３が互いに平行に横切るように配置され、安全柵１が開口部４２に設けられる。   In the present embodiment shown in FIG. 1, two round pipes having attachment holes at both ends thereof are selected as the rod-shaped member 3, and a gravity lock pin is used as the locking portion 212 of the hook-shaped locking device 2. Two support parts 213 are arranged in the vertical direction. As a specific mounting method, the gravity lock pin on the upper side of the hook-shaped locking member 2 attached to the upper end portion 41 of one wall surface member 4 is inserted into the attachment hole at one end of the rod-like member 3 and attached. The gravity lock pin on the upper side of the hook-shaped locking device 2 attached to the wall member 4 is inserted into the attachment hole at the other end of the rod-like member 3 and attached. Next, the rod-shaped member 3 is similarly attached to the gravity lock pin on the lower side of the hook-shaped locking tool 2. As a result, the rod-shaped members 3 are arranged in the opening 42 so as to cross each other in parallel, and the safety fence 1 is provided in the opening 42.

上述した安全柵１が開口部４２に設けられたことにより、開口部４２の内側から外側に向けて物等が倒れたとしても、棒状部材３が倒れた物等を受け止めることができると共に手摺にもなり、工事作業の安全性が高められる。そして、この安全柵１は、壁面部材４に取り付けられ、盛土作業する位置から離れて取り付けられているため、安全柵１を取り付けたまま、壁面部材４の積み上げ以外の次の工程、すなわち、ストリップ敷設や、盛土材５の播きだし及び締固め等の工事作業を行うことができる。   Since the safety fence 1 described above is provided in the opening 42, even if an object or the like falls from the inside to the outside of the opening 42, the bar-like member 3 can receive the fallen object or the like and can be used as a handrail. In addition, the safety of construction work is improved. And since this safety fence 1 is attached to the wall surface member 4 and attached away from the position where the embankment work is performed, the next process other than the stacking of the wall surface member 4 with the safety fence 1 attached, that is, the strip Construction work such as laying and sowing and compacting of the embankment material 5 can be performed.

次に、安全柵１の鉤状係止具２は壁面部材４に引掛けることで固定されているため、取り外し自在であり、鉤状係止具２を引掛けた方向、すなわち壁面部材４の垂直上方向に戻すことにより、簡単に取り外すことができる。盛土材５の締固めを終えて、次の段の壁面部材４を積み上げる際には、壁面部材４の上端部４１から鉤状係止具２を一旦取り外した後、積み上げた次の段の壁面部材４に再び鉤状係止具２を引掛けて取り付けると共に棒状部材３を係止させ、次の段に生じた開口部４２に安全柵１を設けることができる。   Next, since the hook-shaped locking tool 2 of the safety fence 1 is fixed by being hooked on the wall surface member 4, it is detachable, that is, the direction in which the hook-shaped locking tool 2 is hooked, that is, the wall surface member 4. It can be easily removed by returning it vertically upward. When the wall material 4 of the next stage is piled up after finishing the compacting of the embankment material 5, after removing the hook-shaped locking tool 2 from the upper end portion 41 of the wall surface member 4, the wall surface of the next stage that has been piled up The hook-like locking device 2 is hooked and attached to the member 4 again, and the bar-shaped member 3 is locked, so that the safety fence 1 can be provided in the opening 42 generated in the next stage.

本発明の第２の実施形態に係る安全柵を構成する鉤状係止具２０について、図４を参照して説明する。本実施形態は、鉤状係止具２０の部分の一部構成が図３に示す構成と異なることを除いて第１の実施形態の場合とほぼ同様の構成及び作用効果を有している。従って、以下、本実施形態の相違点のみを説明する。なお、本実施形態において、第１の実施形態の場合と同様の構成要素については同じ参照番号を用いることとする。   A hook-shaped locking tool 20 constituting a safety fence according to a second embodiment of the present invention will be described with reference to FIG. The present embodiment has substantially the same configuration and operational effects as those of the first embodiment except that a part of the configuration of the hook-shaped locking member 20 is different from the configuration shown in FIG. Therefore, only the differences between the embodiments will be described below. In the present embodiment, the same reference numerals are used for the same components as those in the first embodiment.

本実施形態において、鉤状係止具２０の支持部２１３には、より安定して鉤状係止具２を壁面部材４に取り付けるためのアジャスタ２１５が備えられている。壁面部材４の奥行長さ（厚み）よりも、鉤部２１１の壁面部材４の上端部４１に引掛かる部分の長さＷが大きな場合には、鉤部２１１が壁面部材４に安定して固定されず、ガタつきやぐらつき等が生じることがある。図４に示すアジャスタ２１５が備えられることにより、鉤状係止具２０が壁面部材４の上端部４１だけでなく、アジャスタ２１５が接触する壁面においても固定され、安定して取り付けられる。   In the present embodiment, the support portion 213 of the hook-shaped locking tool 20 is provided with an adjuster 215 for attaching the hook-shaped locking tool 2 to the wall surface member 4 more stably. When the length W of the portion of the collar portion 211 that is hooked on the upper end portion 41 of the wall surface member 4 is larger than the depth length (thickness) of the wall surface member 4, the collar portion 211 is stably fixed to the wall surface member 4. In other words, rattling or wobble may occur. By providing the adjuster 215 shown in FIG. 4, the hook-shaped locking tool 20 is fixed not only on the upper end portion 41 of the wall surface member 4 but also on the wall surface with which the adjuster 215 contacts, and is stably attached.

また、アジャスタ２１５の壁面部材４に接触する面は、壁面部材４の損傷を防ぐため、ゴム材２１６であることが好ましい。ゴム材２１６とすることにより、アジャスタ２１５及び鉤状係止具２０のずれや滑りを防止することもできる。用いられるゴム材としては、鉤部２１１の被覆ゴム材２１４と同様に、特に限定されないが、天然ゴム、合成ゴム又は熱可塑性エラストマ等が挙げられる。   The surface of the adjuster 215 that contacts the wall surface member 4 is preferably a rubber material 216 in order to prevent damage to the wall surface member 4. By using the rubber material 216, it is possible to prevent the adjuster 215 and the hook-shaped locking member 20 from being displaced or slipped. The rubber material to be used is not particularly limited as in the case of the covering rubber material 214 of the flange portion 211, and examples thereof include natural rubber, synthetic rubber, and thermoplastic elastomer.

本発明の第３の実施形態に係る安全柵１０について、図５を参照して説明する。本実施形態は、棒状部材３０の係止方法により安全柵１０の形状が異なることを除いて第１の実施形態の場合とほぼ同様の構成及び作用効果を有している。従って、以下、本実施形態の相違点のみを説明する。なお、本実施形態において、第１の実施形態の場合と同様の構成要素については同じ参照番号を用いることとする。   A safety fence 10 according to a third embodiment of the present invention will be described with reference to FIG. This embodiment has substantially the same configuration and operational effects as those of the first embodiment except that the shape of the safety fence 10 is different depending on the locking method of the rod-shaped member 30. Therefore, only the differences between the embodiments will be described below. In the present embodiment, the same reference numerals are used for the same components as those in the first embodiment.

図５に示すように、本実施形態においては、開口部４２を挟んで隣接する壁面部材４の上端部４１に、それぞれ鉤状係止具２の鉤部２１１を引掛けて取り付けた後、壁面部材４にそれぞれ取り付けた鉤状係止具２の係止部２１２に棒状部材３０の両端にある被係止部３１１を係止する。このとき、開口部４２を棒状部材３０が互いに交差して横切るように配置させて取り付ける。   As shown in FIG. 5, in the present embodiment, after attaching the hook portion 211 of the hook-shaped locking device 2 to the upper end portion 41 of the wall member 4 adjacent to each other with the opening 42 interposed therebetween, The locked portions 311 at both ends of the rod-shaped member 30 are locked to the locking portions 212 of the hook-shaped locking devices 2 attached to the members 4 respectively. At this time, the opening 42 is attached by being arranged so that the rod-shaped members 30 cross each other and cross.

本実施形態においては、棒状部材３０としてはその両端部に取り付け孔を有し、中央部で枢着されている１対の丸パイプが選択されており、鉤状係止具２の係止部２１２としてはグラビティロックピンが支持部２１３の上下方向に２つ配置されている。具体的な取り付け方法としては、棒状部材３０をその枢着部で回動させてＸ字状に交差させ、一方の壁面部材４に取り付けた鉤状係止具２の上側のグラビティロックピンを棒状部材３０の一方の上側の取り付け孔に差し込んで取り付け、もう一方の壁面部材４に取り付けた鉤状係止具２の上側のグラビティロックピンを棒状部材３０のもう一方の上側の取り付け孔に差し込んで取り付ける。次に、鉤状係止具２の下側のグラビティロックピンについても同様に棒状部材３０の取り付けを行う。その結果、開口部４２に棒状部材３０がＸ字状に配置され、すなわち、棒状部材が互いに交差して横切るように配置され、安全柵１０が開口部４２に設けられる。   In this embodiment, a pair of round pipes having attachment holes at both ends thereof and pivoted at the center are selected as the rod-shaped member 30, and the locking portion of the hook-shaped locking tool 2 is selected. Two gravity lock pins 212 are arranged in the vertical direction of the support portion 213. As a specific attachment method, the rod-shaped member 30 is pivoted at its pivotal portion so as to intersect in an X-shape, and the gravity lock pin on the upper side of the hook-shaped locking device 2 attached to one wall surface member 4 is formed into a rod shape. The member 30 is inserted into the upper mounting hole of the member 30 and attached, and the upper gravitational lock pin of the hook-shaped locking member 2 attached to the other wall member 4 is inserted into the other upper mounting hole of the rod-like member 30. Install. Next, the rod-shaped member 30 is similarly attached to the gravity lock pin on the lower side of the hook-shaped locking tool 2. As a result, the rod-shaped member 30 is disposed in the opening 42 in an X-shape, that is, the rod-shaped members are disposed so as to cross each other and the safety fence 10 is provided in the opening 42.

なお、本実施形態においては、棒状部材３０として中央部が枢着されている１対の丸パイプを用いたが、２本の丸パイプ等をＸ字状に交差させて取り付け、棒状部材３０が開口部４２を互いに交差して横切るように配置させた安全柵１０を形成してもよい。   In the present embodiment, a pair of round pipes pivoted at the center is used as the rod-shaped member 30, but the two round pipes and the like are attached so as to intersect each other in an X shape. You may form the safety fence 10 arrange | positioned so that the opening part 42 may mutually cross and cross.

本発明は、上記の実施形態に限定されるものでなく、特許請求の範囲に記載された発明の要旨を逸脱しない範囲内での種々、設計変更した形態を技術的範囲に含まれるものである。   The present invention is not limited to the above-described embodiment, and various technically modified embodiments are included in the technical scope without departing from the gist of the invention described in the claims. .

１、１０ 安全柵
２、２０ 鉤状係止具
２１１ 鉤部
２１２ 係止部
２１３ 支持部
２１４ 被覆ゴム材
２１５ アジャスタ
２１６ ゴム材
３、３０ 棒状部材
３１１ 被係止部
４ 壁面部材
４１ 上端部
４２ 開口部
５ 盛土材
６ 杭
７ 標識ロープ
Ｗ 鉤部の壁面部材の上端部に引掛かる部分の長さ DESCRIPTION OF SYMBOLS 1, 10 Safety fences 2, 20 Hook-shaped locking tool 211 Hook part 212 Locking part 213 Support part 214 Cover rubber material 215 Adjuster 216 Rubber material 3, 30 Bar-shaped member 311 Locked part 4 Wall surface member 41 Upper end part 42 Opening Part 5 Filling material 6 Pile 7 Marking rope W Length of the part hooked to the upper end of the wall member of the heel part

Claims (8)

複数の壁面部材を積み上げ、開口部を挟んで隣接する壁面部材の上端部に少なくとも２つの鉤状係止具の鉤部をそれぞれ引掛けて該少なくとも２つの鉤状係止具を取り外し自在に固定し、該固定した少なくとも２つの鉤状係止具に前記開口部を横切る棒状部材の両端部を係止することを特徴とする補強土壁の形成方法。   A plurality of wall surface members are stacked, and hooks of at least two hook-shaped locking devices are respectively hooked on the upper end portions of adjacent wall surface members across the opening, and the at least two hook-shaped locking devices are detachably fixed. And the both ends of the rod-shaped member which crosses the said opening part are latched by this fixed at least 2 hook-shaped latching tool, The formation method of the reinforced earth wall characterized by the above-mentioned. 前記固定した少なくとも２つの鉤状係止具に前記開口部を互いに平行に横切る複数の前記棒状部材の両端部を係止することを特徴とする請求項１に記載の補強土壁の形成方法。   2. The method for forming a reinforced earth wall according to claim 1, wherein both ends of the plurality of rod-shaped members crossing the opening in parallel with each other are fixed to the fixed at least two hook-shaped locking tools. 前記固定した少なくとも２つの鉤状係止具に前記開口部を互いに交差して横切る複数の前記棒状部材の両端部を係止することを特徴とする請求項１に記載の補強土壁の形成方法。   2. The method for forming a reinforced earth wall according to claim 1, wherein both ends of the plurality of rod-shaped members that cross the opening and cross each other are locked to the fixed at least two hook-shaped locking tools. . 前記壁面部材の上端部と前記少なくとも２つの鉤状係止具との間にゴム材を介在させることを特徴とする請求項１から３のいずれか１項に記載の補強土壁の形成方法。   The method for forming a reinforced earth wall according to any one of claims 1 to 3, wherein a rubber material is interposed between an upper end portion of the wall surface member and the at least two hook-shaped locking tools. 前記鉤状係止具及び／又は棒状部材として、蓄光塗料が塗布された鉤状係止具及び／又は棒状部材を用いることを特徴とする請求項１から４のいずれか１項に記載の補強土壁の形成方法。   The reinforcement according to any one of claims 1 to 4, wherein a hook-shaped locking tool and / or a bar-shaped member coated with a phosphorescent paint is used as the hook-shaped locking tool and / or the bar-shaped member. A method for forming earthen walls. 開口部を挟んで隣接する壁面部材の上端部に引掛けるための鉤部及び少なくとも２つの係止部を各々が有する２つの鉤状係止具と、該２つの鉤状係止具の各々の前記少なくとも２つの係止部に係止可能な被係止部を両端部に有し、前記開口部を横切って設置可能な少なくとも２つの棒状部材とを備えていることを特徴とする安全柵。   Two hook-shaped locking devices each having a hook portion and at least two locking portions for hooking on the upper end portion of the adjacent wall member across the opening, and each of the two hook-shaped locking tools A safety fence, comprising: a locked portion that can be locked to the at least two locking portions at both ends; and at least two bar-shaped members that can be installed across the opening. 前記鉤状係止具は、少なくとも一部がゴムで被覆されていることを特徴とする請求項６に記載の安全柵。   The safety fence according to claim 6, wherein at least a part of the hook-shaped locking tool is covered with rubber. 前記鉤状係止具及び／又は棒状部材には、蓄光塗料が塗布されていることを特徴とする請求項６又は７に記載の安全柵。   The safety fence according to claim 6 or 7, wherein a phosphorescent paint is applied to the hook-shaped locking member and / or the rod-shaped member.
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6346369B1 (en) * 2017-12-17 2018-06-20 四国ブロック工業株式会社 Safety fence for reinforced earthwork

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09170235A (en) * 1995-12-20 1997-06-30 Shinano Sangyo Kk Fall prevention rail
JP2008261218A (en) * 2008-06-26 2008-10-30 Kazu Kumagai Masonry tool for stacking reinforced earth retaining wall
JP3147971U (en) * 2008-11-10 2009-01-29 共生機構株式会社 Reinforced earth retaining wall

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09170235A (en) * 1995-12-20 1997-06-30 Shinano Sangyo Kk Fall prevention rail
JP2008261218A (en) * 2008-06-26 2008-10-30 Kazu Kumagai Masonry tool for stacking reinforced earth retaining wall
JP3147971U (en) * 2008-11-10 2009-01-29 共生機構株式会社 Reinforced earth retaining wall

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6346369B1 (en) * 2017-12-17 2018-06-20 四国ブロック工業株式会社 Safety fence for reinforced earthwork

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