JP4664706B2 - Construction method of vending machines etc. on asphalt surface using anchor bolts and anchor bolts used in this method - Google Patents
Construction method of vending machines etc. on asphalt surface using anchor bolts and anchor bolts used in this method Download PDFInfo
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- JP4664706B2 JP4664706B2 JP2005061455A JP2005061455A JP4664706B2 JP 4664706 B2 JP4664706 B2 JP 4664706B2 JP 2005061455 A JP2005061455 A JP 2005061455A JP 2005061455 A JP2005061455 A JP 2005061455A JP 4664706 B2 JP4664706 B2 JP 4664706B2
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Description
アスファルト面上に自動販売機の如きある一定の期間据付けて使用する物品を、アンカーボルトを用いて所定位置に据付ける施工法並びにこの方法に使用するアンカーボルトに関する。 The present invention relates to a construction method for installing an article to be used for a certain period of time such as a vending machine on an asphalt surface using an anchor bolt, and an anchor bolt used in this method.
自動販売機の如き、重量が大きく且つ一定期間据付けて使用する物品（以下これ等を代表して自動販売機という）を、アスファルト面に据付けることは従来から通常行われており、たとえばモータープール等のアスファルト舗装面に自動販売機を据付けることは極めて多い。 For example, a motor pool has been conventionally used to install an article such as a vending machine, which is heavy and installed for a certain period of time (hereinafter referred to as a vending machine). Vending machines are often installed on asphalt pavement surfaces.
このようなアスファルト舗装面への自動販売機の据付けには次の様な理由でアンカーボルトは全く使用されていなかった。元来アンカーボルトは通常１００ｍｍ以上の厚みのコンクリートに穴をあけ、この穴の中に挿入し、クサビ状に開いて引抜き強度が出るものである。しかし乍らアスファルトはコンクリートとは異なり、軟らかいために、アンカーボルトを使用しても引抜き強度が出ないのである。このような理由によりアスファルト面に対してはアンカーボルトを使用することは実質的に行われていなかった。 Anchor bolts were not used at all for installing vending machines on such asphalt pavement surfaces for the following reasons. Originally, anchor bolts are usually made by drilling holes in concrete having a thickness of 100 mm or more, inserting the holes into the holes, and opening them in a wedge shape to increase the pulling strength. However, unlike asphalt, asphalt is soft and does not provide pull-out strength even when anchor bolts are used. For these reasons, the use of anchor bolts on asphalt surfaces has not been practically performed.
このため、従来のアスファルト舗装面への自動販売機据付けには、アンカーボルトを使用せず、自動販売機据付用平板ブロックを用いて、この平板ブロックを介してアスファルト舗装面に自動販売機を据付するものであった。このため据付けられた自動販売機は極めて不安定であり、何等かの余分の応力が加わっただけで、動いたり、据付位置がずれたり、ひどいときには倒れたりして、事故の恐れが極めて高いものであった。 For this reason, the vending machine is installed on the asphalt pavement surface using this flat plate block, without using anchor bolts for installing the vending machine on the conventional asphalt pavement surface. It was something to do. For this reason, the installed vending machines are extremely unstable, and even if some extra stress is applied, they will move, the installation position will shift, and if it is severe, there is a high risk of an accident. Met.
本発明者は従来からアスファルト舗装面への自動販売機の据付に関し、研究を続けて来たが、この研究に於いて、アスファルト舗装面に、アンカーボルトを用いて自動販売機を据付けることが出来れば、極めて優れた強度でもって自動販売機を据付けることが可能となるのではないかという全く新しい着想に到り、アンカーボルト使用による自動販売機のアスファルト舗装面への据付け方法を開発すべく研究を続けた。 The present inventor has continued research on the installation of vending machines on asphalt pavement surfaces. In this research, the vending machines can be installed on asphalt pavement surfaces using anchor bolts. If possible, we came up with a completely new idea that it would be possible to install vending machines with extremely high strength, and developed a method for installing vending machines on asphalt pavement surfaces using anchor bolts. I continued my research.
従って本発明の解決しようとする課題は上記新しい着想を実現しうる新しい手段を開発することである。 Therefore, the problem to be solved by the present invention is to develop a new means capable of realizing the above-mentioned new idea.
この課題は、アスファルトの所定面に穴を設け、次いでその下の土部分に上記アスファルト面に設けた穴よりも大きい穴を形成し、前記穴より、羽根型アンカーボルトを挿入し、羽根を開いた状態となして、アンカーボルトを締め上げて仮固定し、穴の残部の空隙に、モルタルを注入することにより、このモルタルが硬化後、羽根型アンカーボルトと一体化して、引抜荷重をアスファルト層の下部面（１００φｍｍ２）で受けることとなり、従来のくさび型のアンカーボルトの引抜き強度（１０００ｋｇｆ前後）より、大きな強度（約２０００ｋｇｆ）が得られる。そしてアンカーボルトを安定させた後、その上に平板ブロック（鉄板）を用いてレベリングを共締めして自動販売機を固定する手段を採用することによって解決される。The problem is that a hole is formed in a predetermined surface of the asphalt, and then a hole larger than the hole provided in the asphalt surface is formed in the soil portion below, and a blade-type anchor bolt is inserted through the hole to open the blade. In this state, the anchor bolt is tightened and temporarily fixed, and the mortar is injected into the remaining space of the hole. After the mortar is cured, it is integrated with the blade-type anchor bolt, and the pulling load is integrated into the asphalt layer. it and will receive the lower surface (100φmm 2) of, from pullout strength of a conventional wedge-type anchor bolts (front and rear 1000 kgf), high strength (approximately 2,000 kgf) is obtained. Then, after the anchor bolt is stabilized, the problem is solved by adopting a means for fixing the vending machine by fastening the leveling together using a flat block (iron plate) thereon.
先ず本発明の施工法の概略を図１に示す。図１中（１）は自動販売機、（２）はアスファルト層、（３）は平板ブロック、（４）は羽根型アンカーボルト、（５）はセメントモルタル、（６）はアンカーボルト共締め用ナット、（７）は自動販売機の足、（８）は土部を示す。 First, an outline of the construction method of the present invention is shown in FIG. In FIG. 1, (1) is a vending machine, (2) is an asphalt layer, (3) is a flat block, (4) is a blade-type anchor bolt, (5) is cement mortar, and (6) is for anchor bolt fastening Nut, (7) is the foot of the vending machine, and (8) is the soil.
アスファルト面は材質が軟かいので従来からアンカーボルトは使用できないとされていた。しかし乍ら、本発明では図１に示す方法で施工することが出来る。なお一般敷地内や駐車場等のアスファルト舗装面の厚みは通常約５０〜７０ｍｍ位とうすいものである。 Since the asphalt surface is soft, anchor bolts cannot be used in the past. However, in the present invention, it can be constructed by the method shown in FIG. In addition, the thickness of asphalt pavement surfaces, such as a general site and a parking lot, is a thin thing about about 50-70 mm normally.
先ず、アスファルト面（２）に振動ドリルで下穴（約１０ｍｍ程度）を形成し、コア部位置を安定させ、次いでハンマードリルを使用してコンクリート用コアードリルを使用してφ４０ｍｍの穴をあける。この際振動用コアドリルはセンタードリルがついているので、センター位置が安定し、コアー部のぶれが少なくなる。 First, a pilot hole (about 10 mm) is formed on the asphalt surface (2) with a vibration drill, the core position is stabilized, and then a hole of φ40 mm is drilled using a concrete core drill using a hammer drill. At this time, since the vibration core drill is provided with a center drill, the center position is stabilized and the shake of the core portion is reduced.
次に羽根型アンカーボルトを埋め込むための筒状の穴を掘る。この際羽根型アンカーボルトを埋め込む深さは、アスファルト舗装層の下部から更に少なくとも８０ｍｍ以上の深さとする必要があるため、アスファルト層の下部の土部分に筒状の穴を掘る。この際の大きさは、たとえば深さ約６０ｍｍ以上、直径約１００ｍｍφ径以上の筒状の穴でで良い。 Next, a cylindrical hole for embedding the blade-type anchor bolt is dug. At this time, since the depth for embedding the blade-type anchor bolts needs to be at least 80 mm or more from the lower part of the asphalt pavement layer, a cylindrical hole is dug in the soil part below the asphalt layer. The size at this time may be, for example, a cylindrical hole having a depth of about 60 mm or more and a diameter of about 100 mmφ or more.
このアスファルト下部の土層に上記穴を設けるために、図３に示す如く先ずコアードリル（φ４０）であけた穴（８）を、土穴ぐり用ドリル（９）で硬い土部分をほぐして大きな穴を掘り易くする。なおこの土穴ぐり用ドリル（９）は、本発明者により新たに開発された工具であり、図３及び図７に示す如き新しい工具である。この土穴ぐりドリル（９）については後記で更に説明する。 In order to provide the above hole in the soil layer below this asphalt, first, as shown in FIG. Make it easy to dig. This drilling hole (9) is a tool newly developed by the present inventor, and is a new tool as shown in FIGS. This earth hole drill (9) will be further described later.
周囲をほぐした後、穴ぐり用ツール（１０）で土を掘り、上記に示した筒状の大きな穴を掘り、次に穴内に残存する土をバキュームで吸引して取り除く。 After loosening the surroundings, the soil is dug with the drilling tool (10), the above-mentioned large cylindrical hole is dug, and then the soil remaining in the hole is removed by suction with a vacuum.
そして図４に示す如く、羽根型特殊アンカー（４）を上記筒状の大きな穴に挿入し、羽根を開いた後、仮締め治具（１１）でアンカーボルトを締上げて仮固定する。 Then, as shown in FIG. 4, the blade type special anchor (4) is inserted into the large cylindrical hole and the blade is opened, and then the anchor bolt is tightened with the temporary fastening jig (11) to be temporarily fixed.
更に詳しく説明すると以下の通りである。
このアンカーボルト（４）は、羽根（１２）を閉じた状態で穴の中に挿入し、次いで羽根を開き、この状態で仮締め治具（１１）をセットして、この治具によりアンカーボルト（４）を締め上げて仮固定する。この仮締め治具（１１）も、発明者がこの施工法実施に際し新しく開発したものであり、後記で詳しく説明する。More detailed description is as follows.
The anchor bolt (4) is inserted into the hole with the blade (12) closed, then the blade is opened, and the temporary fastening jig (11) is set in this state. (4) is tightened and temporarily fixed. This temporary fastening jig (11) is also newly developed by the inventor in carrying out this construction method, and will be described in detail later.
次に、流し込み用じょうご（１３）を使用して、図４に示す様に筒状の穴の空隙内へモルタルを流し込み、アンカーボルトを固定させた後、仮締め治具を外す。次いで図５に示す通り、その上から、平板ブロック又は鉄板（３）を載置して自動販売機を設置する。そしてレベリング（１４）を共締め固定する。以後常法にしたがって、自動販売機を据付ける。 Next, using the funnel for pouring (13), as shown in FIG. 4, the mortar is poured into the space of the cylindrical hole, the anchor bolt is fixed, and then the temporary fastening jig is removed. Next, as shown in FIG. 5, a vending machine is installed by placing a flat block or an iron plate (3) from above. Then, the leveling (14) is fastened and fixed together. After that, install the vending machine according to the conventional method.
尚、平板ブロックを使用した場合、平板の穴とボルトの隙間にモルタルを流し込み、安定させることで強度が更に増す。 In addition, when a flat plate block is used, strength is further increased by pouring mortar into a gap between a flat plate hole and a bolt to stabilize the mortar.
以下に本発明者が新しく開発した土穴ぐり用ドリル（９）、羽根型特殊アンカーボルト（４）、及び該ボルト（４）を仮締めするための仮締め治具（１１）について、夫々図３、図４及び図５を参照しつつ詳しく説明する。 FIG. 3 shows a drill for drilling holes (9) newly developed by the present inventor, a blade-type special anchor bolt (4), and a temporary fastening jig (11) for temporarily fastening the bolt (4), respectively. This will be described in detail with reference to FIGS.
先ず土穴ぐり用ドリル（９）は図３−イ及び図７にに示す如き形状を有し、全体の長さは８０ｍｍ程度で先端がほぼ直角に曲がった刃先を有し、その刃先の長さは２５ｍｍ程度である。このドリル（９）を使用するに際しては、図３−ロに示す如く、電動ハンマードリルを用いて、穴を掘るものである。材質は硬い金属であれば良く、通常鋼製である。 First, the drilling hole (9) has a shape as shown in FIGS. 3A and 7B, has an overall length of about 80 mm, and has a cutting edge whose tip is bent substantially at right angles, and the length of the cutting edge. Is about 25 mm. When this drill (9) is used, as shown in FIG. 3B, an electric hammer drill is used to dig a hole. The material may be a hard metal and is usually made of steel.
また羽根型特殊アンカーボルト（４）も本発明者によりはじめて開発されたもので、たとえば図４に示すような構造のものである。穴に挿入するときは、羽根（１２）は、図４−イに示す如く閉じており、挿入後図４−ハの如く羽根（１２）が開く構造となっている。挿入した後、該ボルト（４）を上方に少し引っ張ると、羽根（１２）は図４−ハの如く開く構造となっている。このアンカーボルトの材質も通常鋼製である。この羽根型特殊アンカーボルト（４）は、挿入後図４に示した通り、羽根（１２）が上方に向かって開くために、アンカーボルトとしての作用が大きく発揮され、その強度（据付強度）が大きくなり、強固に自動販売機をアスファルト面に大きな強度で固定することが出来る。 The blade-type special anchor bolt (4) was also developed for the first time by the present inventor and has a structure as shown in FIG. 4, for example. When inserted into the hole, the blade (12) is closed as shown in FIG. 4A, and the blade (12) is opened as shown in FIG. After the insertion, when the bolt (4) is pulled slightly upward, the blade (12) opens as shown in FIG. The material of this anchor bolt is also usually made of steel. This blade type special anchor bolt (4), as shown in FIG. 4 after insertion, has a large effect as an anchor bolt because the blade (12) opens upward, and its strength (installation strength) is The vending machine becomes large and can be firmly fixed to the asphalt surface with great strength.
また仮締め治具（１１）もやはり本発明者の新しく開発した治具であり、このアンカーボルトを所定の位置に正確に固定するために使用されるものである。材質は金属製で鋼をはじめその他硬質金属が使用される。この治具（１１）は、図４−ハから図４−ヘに示すものである。これを用いてアンカーボルトを仮締した後、その空間からモルタルを流し込んでアンカーボルト（４）を固定するが、この際、じょうごを用いて、仮締め治具の空間より、モルタルを流しこむのが、極めて便利であり、この治具にはこのじょうご（１３）と組合せて一組として使用することが好ましい。 The temporary fastening jig (11) is also a newly developed jig of the present inventor, and is used for accurately fixing the anchor bolt at a predetermined position. The material is metal, and steel and other hard metals are used. This jig (11) is shown in FIGS. After temporarily fastening the anchor bolt using this, the mortar is poured from the space to fix the anchor bolt (4). At this time, the funnel is used to pour the mortar from the space of the temporary fastening jig. However, it is very convenient, and it is preferable to use this jig as a set in combination with the funnel (13).
なお本施工法で使用した穴あけ工具について念のため図７に示す。図中（イ）はコアドリル、（ロ）は土穴ぐり用ドリル、（ハ）は土穴ぐり用ツールである。 The drilling tool used in this construction method is shown in Fig. 7 just in case. In the figure, (i) is a core drill, (b) is a drill for drilling a hole, and (c) is a tool for drilling a hole.
本発明の施工法に依ると、従来全くアンカーボルトを用いて自動販売機等の据付けが出来なかったアスファルト舗装面に、はじめてアンカーボルトを用いて据付けが出来、強度大きく、安定した据付けが可能となる。 According to the construction method of the present invention, it is possible to install for the first time using anchor bolts on asphalt pavement surfaces that could not be installed with vending machines using anchor bolts at all. Become.
そして本発明により始めて開発された羽根型アンカーボルトを使用し、また同じく穴ぐり用ドリルや仮締め治具を用いることにより、極めて効率良く、確実にアンカーボルトによる自動販売機等のアスファルト面への据付が、極めて簡単に、特に熟練を要さずに行うことが出来る。そして特に注目すべきは、後の実施例でも示す通り、その据付強度が極めて大きく、かなり大きな力でも全くビクともしない安定した据付がアスファルト面に出来ることにある。 And by using the blade-type anchor bolt developed for the first time according to the present invention, and also using a drill for drilling and a temporary fastening jig, it is extremely efficient and surely applied to the asphalt surface of a vending machine or the like using the anchor bolt. Installation is very simple and can be done without special skill. Of particular note is the fact that, as will be shown in the following examples, the installation strength is extremely high, and a stable installation can be made on the asphalt surface with no significant shock even with a considerable force.
以下に実施例を示して本発明を詳しく説明する。 Hereinafter, the present invention will be described in detail with reference to examples.
自動販売機（１）（１１６０×７２５×１８３０ｍｍ、重さ約３９０ｋｇ）を厚み約６０ｍｍのアスファルト面に図１に示す様な手段で据付けた。即ち先ずアスファルト面（２）に、図２〜ハに示す如く振動ドリルで下穴（約１０ｍｍ）をあけ、図２−ニ〜ヘに示す如く、ハンマードリルを使用して、コアドリルφ４０の穴あけ作業を行う。次いで図３−イ及びロに示す如く、土穴ぐり用ドリルで土ほぐしを行い、引き続き穴ぐり用ツールにより土堀りを行う。そして穴の中に残った土をバキュームで吸い取る。かくして、直径約１００ｍｍ、深さ約１００ｍｍの筒状の大きな穴を作る。 A vending machine (1) (1160 × 725 × 1830 mm, weight of about 390 kg) was installed on an asphalt surface having a thickness of about 60 mm by means as shown in FIG. That is, first, a drill hole (about 10 mm) is drilled on the asphalt surface (2) with a vibration drill as shown in FIGS. 2 to C, and a hammer drill is used to drill the core drill φ40 as shown in FIGS. I do. Next, as shown in FIGS. 3A and 3B, the soil is unraveled with the drill for excavation, and the excavation is continued with the drilling tool. And vacuum the soil left in the hole. Thus, a large cylindrical hole having a diameter of about 100 mm and a depth of about 100 mm is made.
この大きな穴のなかに図４−イ〜ロに示す如く、羽根型特殊アンカーボルト（長さ２３０ｍｍ、羽根の長さ６６ｍｍ、開いたときの角度７３℃）を羽根が閉じた状態で挿入する。そしてこのアンカーボルトを図４−ロ〜図４−ヘに示す如く羽根を開いて、仮締め治具によって固定する。その後、じょうごよりモルタルを注入し仮固定した後、仮締め治具をはずす。 As shown in FIGS. 4A to 4B, a blade-type special anchor bolt (length 230 mm, blade length 66 mm, opening angle 73 ° C.) is inserted into the large hole with the blade closed. Then, as shown in FIGS. 4B to 4F, the anchor bolt is opened and fixed by a temporary fastening jig. Then, mortar is poured from the funnel and temporarily fixed, and then the temporary fastening jig is removed.
そしてその上に平板ブロック（３００×３００、厚み６０ｍｍ）を載置し、図１に示す通り自動販売機を設置し、レベリングを共締め固定した。 Then, a flat plate block (300 × 300, thickness 60 mm) was placed thereon, a vending machine was installed as shown in FIG. 1, and leveling was fastened together.
羽根型アンカーボルトのアスファルト面からの引き抜き強度は２０００ｋｇｆ以上であり、また該アンカーボルト施工後の引張り転倒試験結果は、４点固定時６００ｋｇｆ、対角２点定時６００ｋｇｆであった。 The pull-out strength from the asphalt surface of the blade-type anchor bolt was 2000 kgf or more, and the results of the tensile overturn test after the anchor bolt was applied were 600 kgf when fixed at 4 points and 600 kgf when fixed at 2 diagonal points.
なお、上記試験方法は４点固定の場合は図５−イ〜ロに、また対角２点固定の場合は図６イ〜ニに示す通りである。 The test method is as shown in FIGS. 5A to 5B when fixed at 4 points, and as shown in FIGS. 6A to 6D when fixed at 2 points diagonally.
１ ： 自動販売機
２ ： アスファルト面
３ ： コンクリート平板ブロック
４ ： 羽根型アンカーボルト
５ ： モルタル
６ ： ナット
７ ： 自動販売機の足
８ ： 土部分
９ ： 土穴ぐり用ドリル
１０ ： 土穴ぐり用ツール
１１ ： 仮締め治具
１２ ： 羽根
１３ ： じょうご1: Vending machine 2: Asphalt surface 3: Concrete flat block 4: Blade-type anchor bolt 5: Mortar 6: Nut 7: Vending machine foot 8: Earth part 9: Drill for drilling hole 10: Tool for drilling hole 11 : Temporary fastening jig 12: Blade 13: Funnel
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2005061455A JP4664706B2 (en) | 2005-01-21 | 2005-02-03 | Construction method of vending machines etc. on asphalt surface using anchor bolts and anchor bolts used in this method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2005013934 | 2005-01-21 | ||
| JP2005061455A JP4664706B2 (en) | 2005-01-21 | 2005-02-03 | Construction method of vending machines etc. on asphalt surface using anchor bolts and anchor bolts used in this method |
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| Publication Number | Publication Date |
|---|---|
| JP2006228165A JP2006228165A (en) | 2006-08-31 |
| JP4664706B2 true JP4664706B2 (en) | 2011-04-06 |
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| JP2005061455A Expired - Fee Related JP4664706B2 (en) | 2005-01-21 | 2005-02-03 | Construction method of vending machines etc. on asphalt surface using anchor bolts and anchor bolts used in this method |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6374510U (en) * | 1986-11-05 | 1988-05-18 | ||
| JPH10261153A (en) * | 1997-03-18 | 1998-09-29 | Kiyouai:Kk | Fixing device for automatic vending machine and its method |
| JP2000297478A (en) * | 1999-04-15 | 2000-10-24 | Haruo Nakamura | Anchor for cellular concrete |
| JP2003293460A (en) * | 2002-03-29 | 2003-10-15 | Nippon Dekoratsukusu Kk | Fixing method for metallic extension anchor |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6374510U (en) * | 1986-11-05 | 1988-05-18 | ||
| JPH10261153A (en) * | 1997-03-18 | 1998-09-29 | Kiyouai:Kk | Fixing device for automatic vending machine and its method |
| JP2000297478A (en) * | 1999-04-15 | 2000-10-24 | Haruo Nakamura | Anchor for cellular concrete |
| JP2003293460A (en) * | 2002-03-29 | 2003-10-15 | Nippon Dekoratsukusu Kk | Fixing method for metallic extension anchor |
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