JP6971145B2 - Foundation structure and manufacturing method of foundation structure - Google Patents

Foundation structure and manufacturing method of foundation structure Download PDF

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JP6971145B2
JP6971145B2 JP2017250414A JP2017250414A JP6971145B2 JP 6971145 B2 JP6971145 B2 JP 6971145B2 JP 2017250414 A JP2017250414 A JP 2017250414A JP 2017250414 A JP2017250414 A JP 2017250414A JP 6971145 B2 JP6971145 B2 JP 6971145B2
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flat plate
guide
guide material
engaged
plate material
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JP2019116737A (en
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雄介 加藤
勝浩 森川
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Daiwa House Industry Co Ltd
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Description

この発明は、基礎構造および基礎構造の製造方法に関する。 The present invention relates to a foundation structure and a method for manufacturing the foundation structure.

従来から、建物の基礎を構築する作業を簡略化および迅速化するために、あらかじめ工場で製造されたプレキャストコンクリートを捨てコンクリート上に設置して基礎を構築する方法が取られている。 Conventionally, in order to simplify and speed up the work of constructing the foundation of a building, a method of discarding precast concrete manufactured in advance at a factory and installing it on the concrete to construct the foundation has been adopted.

特許文献１には、建物の基礎を形成するプレキャストコンクリートのベース部に高さレベル調整ボルトを設け、高さレベル調整ボルトでプレキャストコンクリートの高さレベルを調整することが開示されている。 Patent Document 1 discloses that a height level adjusting bolt is provided on a base portion of precast concrete forming the foundation of a building, and the height level of the precast concrete is adjusted by the height level adjusting bolt.

特開平４−２２８７２５号公報Japanese Unexamined Patent Publication No. 4-228725

プレキャストコンクリートを用いて基礎を構築する場合には、それぞれのプレキャストコンクリートの水平レベルおよび高さレベルを調整する必要がある。このため、プレキャストコンクリートの下方に設けられる捨てコンクリートの水平レベルおよび高さレベルを調整する必要があり、地業工事に正確さが求められ、施工に時間がかかっていた。 When constructing foundations using precast concrete, it is necessary to adjust the horizontal and height levels of each precast concrete. For this reason, it was necessary to adjust the horizontal level and height level of the discarded concrete provided below the precast concrete, and accuracy was required for the ground work, and the construction took time.

一方で、特許文献１のプレキャストコンクリートは、プレキャストコンクリート自体の高さレベルを調整する必要がある。プレキャストコンクリートは、重量があるため、プレキャストコンクリートの高さレベルを正確に調整するのは困難だった。 On the other hand, in the precast concrete of Patent Document 1, it is necessary to adjust the height level of the precast concrete itself. Due to the weight of precast concrete, it was difficult to accurately adjust the height level of precast concrete.

本発明は、上記従来の問題点に鑑みてなされたものであって、その目的は、省施工でレベル調整を容易に行うことができる基礎構造および基礎構造の製造方法を提供することを目的とする。 The present invention has been made in view of the above-mentioned conventional problems, and an object of the present invention is to provide a foundation structure and a method for manufacturing a foundation structure capable of easily performing level adjustment with reduced construction. do.

本発明の一態様に係る基礎構造は、地盤側に位置する底面と、プレキャスト構造体側に位置する上面とを有し、互いに間隔をあけて配置される複数の平板材と、複数の平板材のうち隣り合う２つの平板材間に掛け渡され、水平方向に延在する上端部を有するガイド材と、平板材に取り付けられ、平板材の上面とガイド材の上端部との間の間隔を調整するレベル調整部と、地盤とガイド材の上端部との間に充填されて固化される充填材とを備える。 The foundation structure according to one aspect of the present invention has a bottom surface located on the ground side and an upper surface located on the precast structure side, and is composed of a plurality of flat plates arranged at intervals from each other and a plurality of flat plates. A guide material that is hung between two adjacent flat plates and has an upper end extending in the horizontal direction, and a guide material that is attached to the flat plate material and adjusts the distance between the upper surface of the flat plate material and the upper end portion of the guide material. It is provided with a level adjusting portion to be filled and a filler to be filled and solidified between the ground and the upper end of the guide material.

好ましくは、レベル調整部は、平板材の上面に設けられた被係合部と、ガイド材に取り付けられ、被係合部に係合する係合部とを含む。 Preferably, the level adjusting portion includes an engaged portion provided on the upper surface of the flat plate material and an engaging portion attached to the guide material and engaged with the engaged portion.

好ましくは、平板材は、略矩形形状であり、被係合部は、平板材の少なくとも互いに直交する２辺に沿って、それぞれ１つ以上設けられている。 Preferably, the flat plate material has a substantially rectangular shape, and one or more engaged portions are provided along at least two sides of the flat plate material orthogonal to each other.

好ましくは、ガイド材は、略Ｌ字形状の断面を有し、係合部が貫通する取付部と、取付部から上方に立ち上がり、上端部を形成する立ち上がり部とを含む。 Preferably, the guide material has a substantially L-shaped cross section, and includes a mounting portion through which the engaging portion penetrates, and a rising portion that rises upward from the mounting portion and forms an upper end portion.

好ましくは、レベル調整部は、ガイド材の取付部と平板材との間に設けられるスペーサーを有する。 Preferably, the level adjusting portion has a spacer provided between the mounting portion of the guide material and the flat plate material.

好ましくは、平板材上には、互いに隙間をあけて複数のガイド材の端部が配置されている。 Preferably, the ends of the plurality of guide materials are arranged on the flat plate material with a gap between them.

好ましくは、互いに隣り合う平板材の間には、地盤を形成する砕石が充填されている。 Preferably, crushed stone forming the ground is filled between the flat plates adjacent to each other.

本発明の一態様に係る基礎構造の製造方法は、地盤側に位置する底面と、プレキャスト構造体側に位置する上面とを有する平板材を複数用意して、平板材を互いに間隔をあけて配置する工程と、水平方向に延在する上端部を有するガイド材を、複数の平板材のうち隣り合う２つの平板材間に掛け渡す工程と、平板材にレベル調整部を取り付け、平板材の上面とガイド材の上端部との間の間隔を調整する工程と、地盤とガイド材の上端部との間に充填材を充填させて固化させる工程とを備える。 In the method for manufacturing a foundation structure according to one aspect of the present invention, a plurality of flat plates having a bottom surface located on the ground side and an upper surface located on the precast structure side are prepared, and the flat plate materials are arranged at intervals from each other. A process, a process of passing a guide material having an upper end extending in the horizontal direction between two adjacent flat plates among a plurality of flat plates, and a level adjusting portion attached to the flat plate to form an upper surface of the flat plate. It includes a step of adjusting the distance between the upper end portion of the guide material and a step of filling and solidifying the filler between the ground and the upper end portion of the guide material.

本発明によれば、省施工でレベル調整を容易に行うことができる基礎構造および基礎構造の製造方法を提供することができる。 INDUSTRIAL APPLICABILITY According to the present invention, it is possible to provide a foundation structure and a method for manufacturing a foundation structure that can easily perform level adjustment with reduced construction.

本発明の実施の形態に係る基礎構造の一例を示す図であって、上方にプレキャスト構造体を載置した状態を示す平面図である。It is a figure which shows an example of the basic structure which concerns on embodiment of this invention, and is the top view which shows the state which the precast structure is placed on the upper part. 図１のＩＩ−ＩＩ線に沿って見た断面図である。It is sectional drawing seen along the line II-II of FIG. 本発明の実施の形態における平板材の一例を示す図であって、（ａ）は斜視図であり、（ｂ）は平面図である。It is a figure which shows an example of the flat plate material in embodiment of this invention, (a) is a perspective view, (b) is a plan view. 本発明の実施の形態におけるガイド材の一例を示す斜視図である。It is a perspective view which shows an example of the guide material in embodiment of this invention. 本発明の実施の形態における平板材を地盤上に間隔をあけて配置した状態を示す平面図である。It is a top view which shows the state which the flat plate material in the embodiment of this invention is arranged on the ground at intervals. 図５のＶＩ−ＶＩ線に沿って見た側面図である。It is a side view seen along the VI-VI line of FIG. 平板材の間に砕石を充填した状態を示す側面図である。It is a side view which shows the state which crushed stone is filled between the flat plates. 隣り合う平板材間にガイド材を掛け渡した状態を示す側面図である。It is a side view which shows the state which the guide material is hung between the adjacent flat plates. 図８のＩＸ−ＩＸ線に沿って見た側面図である。It is a side view seen along the IX-IX line of FIG. 図８に示すガイド材の取付け部と平板材との間に、スペーサーを取り付けた状態を示す図であって、（ａ）は紙面上の右側に位置するガイド材３の上端部のレベル調整を行った状態を示す側面図であり、（ｂ）は紙面上の左側に位置するガイド材３の上端部のレベル調整を行った状態を示す側面図である。It is a figure which shows the state which the spacer is attached between the attachment part of the guide material and the flat plate material shown in FIG. It is a side view which shows the state which performed, and (b) is the side view which showed the state which performed the level adjustment of the upper end part of the guide material 3 located on the left side on the paper surface. 図１０の一部分を示す部分拡大斜視図である。It is a partially enlarged perspective view which shows a part of FIG. 地盤とガイド材の上端部との間に充填材を充填して固化した状態を示す平面図である。It is a top view which shows the state which the filler was filled and solidified between the ground and the upper end part of the guide material. 図１２のＸＩＩＩ−ＸＩＩＩ線に沿って見た側面図である。It is a side view seen along the XIII-XIII line of FIG. プレキャスト構造体の設置方法を模式的に示す平面図である。It is a top view which shows typically the installation method of the precast structure. 本発明の実施の形態に係る基礎構造の他の一例を示す平面図である。It is a top view which shows another example of the foundation structure which concerns on embodiment of this invention.

本発明の実施の形態について図面を参照しながら詳細に説明する。なお、図中同一または相当部分には同一符号を付してその説明は繰り返さない。 Embodiments of the present invention will be described in detail with reference to the drawings. The same or corresponding parts in the drawings are designated by the same reference numerals and the description thereof will not be repeated.

＜基礎構造＞
図１，図２を参照して、本実施の形態に係る基礎構造１について説明する。本実施の形態では、図１，図２において矢印Ａ１で示す左右方向を幅方向といい、図２において矢印Ａ２で示す方向を上下方向といい、図１において矢印Ａ３で示す方向を奥行き方向という。 <Basic structure>
The basic structure 1 according to the present embodiment will be described with reference to FIGS. 1 and 2. In the present embodiment, the left-right direction indicated by the arrow A1 in FIGS. 1 and 2 is referred to as the width direction, the direction indicated by the arrow A2 in FIG. 2 is referred to as the up-down direction, and the direction indicated by the arrow A3 in FIG. 1 is referred to as the depth direction. ..

本実施の形態に係る基礎構造１は、たとえば、地盤１００上に互いに間隔をあけて配置される複数の平板材２と、平板材２間に掛け渡されるガイド材３と、平板材２の上面２０とガイド材３の上端部３４との間の間隔を調整するレベル調整部４と、地盤１００とガイド材３の上端部３４との間に充填されて固化される充填材５とを備える。 The foundation structure 1 according to the present embodiment is, for example, a plurality of flat plate materials 2 arranged on the ground 100 at intervals, a guide material 3 spanned between the flat plate materials 2, and an upper surface of the flat plate material 2. A level adjusting portion 4 for adjusting the distance between the 20 and the upper end portion 34 of the guide material 3 and a filler 5 filled and solidified between the ground 100 and the upper end portion 34 of the guide material 3 are provided.

地盤１００は、たとえば、土、砂、砂利、砕石などを押圧することにより形成される。本実施の形態では、地盤１００の上端のレベルを厳密に調整する必要はないが、地盤１００の上端のレベルをある程度調整することで、後述するレベル調整部４のレベル調整作業を簡略化することも可能である。なお、地盤１００の上端のレベルを調節することが難しい場合は、地盤１００と平板材２との間に、たとえば、コンクリート、鉄板、合板などで形成される平板状の部材を配置することで、地盤１００の上端のレベル調節を行ってもよい。 The ground 100 is formed by pressing, for example, soil, sand, gravel, crushed stone, or the like. In the present embodiment, it is not necessary to strictly adjust the level of the upper end of the ground 100, but by adjusting the level of the upper end of the ground 100 to some extent, the level adjustment work of the level adjusting unit 4 described later can be simplified. Is also possible. If it is difficult to adjust the level of the upper end of the ground 100, for example, by arranging a flat plate-shaped member made of concrete, iron plate, plywood, etc. between the ground 100 and the flat plate member 2. The level of the upper end of the ground 100 may be adjusted.

本実施の形態の基礎構造１は、たとえば、立方体形状のプレキャスト構造体１１０の下方を支持している。プレキャスト構造体１１０の上面には、プレキャスト構造体１１０を基礎構造１の長手方向の中心線に沿って配置するための目印部１１１Ａ〜１１１Ｃ（図１４）が形成されている。プレキャスト構造体１１０については、後述する。 The foundation structure 1 of the present embodiment supports, for example, the lower part of the cube-shaped precast structure 110. On the upper surface of the precast structure 110, mark portions 111A to 111C (FIG. 14) for arranging the precast structure 110 along the center line in the longitudinal direction of the foundation structure 1 are formed. The precast structure 110 will be described later.

本実施の形態において、平板材２は、たとえば、４つ設けられ、地盤１００上に等間隔に配置されている。４つの平板材２は、長尺状に延びる４つのガイド材３によってそれぞれ連結されている。 In the present embodiment, for example, four flat plate members 2 are provided and arranged at equal intervals on the ground 100. The four flat plate members 2 are connected by four guide members 3 extending in a long shape.

まず、図３を参照して、平板材２について説明する。図３においても、矢印Ａ１で示す左右方向を幅方向といい、矢印Ａ２で示す方向を上下方向といい、矢印Ａ３で示す方向を奥行き方向という。 First, the flat plate material 2 will be described with reference to FIG. Also in FIG. 3, the left-right direction indicated by the arrow A1 is referred to as a width direction, the direction indicated by the arrow A2 is referred to as a vertical direction, and the direction indicated by the arrow A3 is referred to as a depth direction.

平板材２は、たとえば、複数の辺を有する矩形形状である。具体的には、平板材２は、コンクリートで形成された中実の平面視略正方形形状であり、４つの辺の第１辺２３ａ〜第４辺２３ｄを有している。平板材２は、プレキャスト構造体１１０側に位置する上面２０と、地盤１００側に位置する底面２１とを有している。平板材２は、一定の厚みを有している。 The flat plate member 2 has, for example, a rectangular shape having a plurality of sides. Specifically, the flat plate member 2 has a solid plan-viewing substantially square shape formed of concrete, and has the first side 23a to the fourth side 23d of the four sides. The flat plate member 2 has an upper surface 20 located on the precast structure 110 side and a bottom surface 21 located on the ground 100 side. The flat plate material 2 has a certain thickness.

平板材２の上面２０には、被係合部２２が設けられている。具体的には、被係合部２２は、上面２０から底面２１に向かって延びる穴部と、穴部の内部に埋め込まれる高ナット（長いナット）とを含む。被係合部２２は、高ナットに代えて、穴の壁面にネジ溝を含んでいてもよい。また、被係合部２２は、平板材２の上面２０から底面２１に向かって延びているが、平板材２を貫通していてもよいし、貫通していなくてもよい。被係合部２２と係合する係合部３５については、後述する。 An engaged portion 22 is provided on the upper surface 20 of the flat plate member 2. Specifically, the engaged portion 22 includes a hole portion extending from the upper surface 20 toward the bottom surface 21 and a high nut (long nut) embedded in the hole portion. The engaged portion 22 may include a screw groove on the wall surface of the hole instead of the high nut. Further, although the engaged portion 22 extends from the upper surface 20 of the flat plate material 2 toward the bottom surface 21, it may or may not penetrate the flat plate material 2. The engaging portion 35 that engages with the engaged portion 22 will be described later.

被係合部２２は、たとえば、平板材２の互いに直交する２つの辺の第１辺２３ａ，第２辺２３ｂに沿ってそれぞれ２つずつ整列して設けられている。平板材２に形成される被係合部２２は、すべて同一形状であるが、説明の便宜上、図３（ｂ）において、第１辺２３ａに沿って設けられ、第１辺２３ａと第２辺２３ｂとが交わる角部側に設けられる被係合部を第１被係合部２２ａとする。第２辺２３ｂに沿って設けられ、第１辺２３ａと第２辺２３ｂとが交わる角部側に設けられる被係合部を第２被係合部２２ｂとする。第１辺２３ａに沿って設けられ、第１被係合部２２ａと隣り合う被係合部を第３被係合部２２ｃとする。さらに、第２辺２３ｂに沿って設けられ、第２被係合部２２ｂと隣り合う被係合部を第４被係合部２２ｄとする。 The engaged portion 22 is provided, for example, by arranging two engaged portions 22 along the first side 23a and the second side 23b of the two sides orthogonal to each other of the flat plate member 2. The engaged portions 22 formed on the flat plate member 2 all have the same shape, but for convenience of explanation, they are provided along the first side 23a in FIG. 3B, and the first side 23a and the second side are provided. The engaged portion provided on the corner side where the 23b intersects is referred to as a first engaged portion 22a. The engaged portion provided along the second side 23b and provided on the corner portion side where the first side 23a and the second side 23b intersect is referred to as the second engaged portion 22b. The engaged portion provided along the first side 23a and adjacent to the first engaged portion 22a is referred to as a third engaged portion 22c. Further, the engaged portion provided along the second side 23b and adjacent to the second engaged portion 22b is referred to as the fourth engaged portion 22d.

この場合、第２辺２３ｂから第１被係合部２２ａまでの間隔をＬ１、第１被係合部２２ａから第３被係合部２２ｃまでの間隔をＬ２、第３被係合部２２ｃから第３辺２３ｃまでの間隔をＬ３とすると、以下の関係式が成立する。また、第１辺２３ａの寸法および第２辺２３ｂの寸法は、略同一であるため、第４辺２３ｄから第４被係合部２２ｄまでの間隔をＬ１、第４被係合部２２ｄから第２被係合部２２ｂまでの間隔をＬ２、第２被係合部２２ｂから第１辺２３ａまでの間隔をＬ３としても、同様の関係式が成立する。 In this case, the distance from the second side 23b to the first engaged portion 22a is L1, the distance from the first engaged portion 22a to the third engaged portion 22c is L2, and the distance from the third engaged portion 22c. Assuming that the interval up to the third side 23c is L3, the following relational expression holds. Further, since the dimensions of the first side 23a and the dimensions of the second side 23b are substantially the same, the distances from the fourth side 23d to the fourth engaged portion 22d are L1 and the distances from the fourth engaged portion 22d to the fourth engaged portion 22d. 2 The same relational expression holds even if the distance to the engaged portion 22b is L2 and the distance from the second engaged portion 22b to the first side 23a is L3.

Ｌ１：Ｌ２：Ｌ３＝１：２：１ L1: L2: L3 = 1: 2: 1

このように、４つの被係合部２２を間隔をあけて設けることで、図１５の平板材２Ｂ，２Ｄに示すように、ガイド材３が直交するように配置される場合であっても、ガイド材３の端部が干渉し合うことがない。 By providing the four engaged portions 22 at intervals in this way, even when the guide members 3 are arranged so as to be orthogonal to each other as shown in the flat plate members 2B and 2D of FIG. The ends of the guide material 3 do not interfere with each other.

次に、図４を参照して、ガイド材３について説明する。上述したように、ガイド材３は、複数の平板材２のうち隣り合う２つの平板材２間に掛け渡される。ガイド材３は、水平方向に延在する上端部３４を有する。具体的には、ガイド材３は、たとえば、断面視略Ｌ字形状の長尺状の部材であり、係合部３５が貫通する取付部３１と、取付部３１から上方に立ち上がり、上端部３４を形成する立ち上がり部３３とを含む。取付部３１と立ち上がり部３３とは、たとえば、略垂直であってもよい。ガイド材３は、たとえば、長尺状の薄板部材を長手方向に折り曲げて形成されていてもよい。取付部３１の長手方向の両端部には、係合部３５が挿通する挿通穴３２がそれぞれ設けられている。本実施の形態では、係合部３５は、たとえば、ボルトであり、上述した被係合部２２の高ナットに係合する。なお、取付部３１には、その長手方向両端部以外にも、挿通穴３２が複数設けられていてもよい。 Next, the guide material 3 will be described with reference to FIG. As described above, the guide material 3 is hung between two adjacent flat plate materials 2 among the plurality of flat plate materials 2. The guide material 3 has an upper end portion 34 extending in the horizontal direction. Specifically, the guide material 3 is, for example, a long member having a substantially L-shaped cross-sectional view, and has a mounting portion 31 through which the engaging portion 35 penetrates and an upper end portion 34 rising upward from the mounting portion 31. Includes a rising portion 33 forming the above. The mounting portion 31 and the rising portion 33 may be, for example, substantially vertical. The guide material 3 may be formed by, for example, bending a long thin plate member in the longitudinal direction. Insertion holes 32 through which the engaging portion 35 is inserted are provided at both ends of the mounting portion 31 in the longitudinal direction. In the present embodiment, the engaging portion 35 is, for example, a bolt and engages with the high nut of the engaged portion 22 described above. The mounting portion 31 may be provided with a plurality of insertion holes 32 in addition to both ends in the longitudinal direction thereof.

図２，図１１を参照して、本実施の形態のレベル調整部４は、平板材２に取り付けられ、平板材２の上面２０とガイド材３の上端部３４との間の間隔を調整する。つまり、レベル調整部４は、ガイド材３の上端部３４の水平レベルおよび高さレベルを調整するものである。具体的には、レベル調整部４は、平板材２の上面２０に設けられた被係合部２２と、ガイド材３に取り付けられ、被係合部２２に係合する係合部３５と、ガイド材３の取付部３１と平板材２との間に設けられるスペーサー４１とを含む。 With reference to FIGS. 2 and 11, the level adjusting portion 4 of the present embodiment is attached to the flat plate material 2 and adjusts the distance between the upper surface 20 of the flat plate material 2 and the upper end portion 34 of the guide material 3. .. That is, the level adjusting unit 4 adjusts the horizontal level and the height level of the upper end portion 34 of the guide material 3. Specifically, the level adjusting portion 4 includes an engaged portion 22 provided on the upper surface 20 of the flat plate material 2, an engaging portion 35 attached to the guide material 3 and engaged with the engaged portion 22. It includes a spacer 41 provided between the mounting portion 31 of the guide material 3 and the flat plate material 2.

スペーサー４１は、ガイド材３の上端部３４の高さ位置を調節できるものであればよく、スペーサー４１としては、たとえば、プラレベル（登録商標）、ライナープレートなどが挙げられる。本実施の形態では、スペーサー４１は、楔形の形状であり、一端が薄く、他端に至るにしたがって厚い形状である。スペーサー４１は、たとえば、２つ設けられ、係合部（ボルト）３５の柱部を挟んで、ガイド材３の取付部３１と平板材２との間に取り付けられている。 The spacer 41 may be any as long as the height position of the upper end portion 34 of the guide material 3 can be adjusted, and examples of the spacer 41 include a plastic level (registered trademark) and a liner plate. In the present embodiment, the spacer 41 has a wedge shape, one end is thin, and the spacer 41 is thicker toward the other end. Two spacers 41 are provided, for example, and are attached between the mounting portion 31 of the guide material 3 and the flat plate material 2 with the pillar portion of the engaging portion (bolt) 35 interposed therebetween.

充填材５は、地盤１００とガイド材３の上端部３４との間に充填されて固化される。充填材５としては、たとえば、空練モルタルであることが好ましく、水分を含んだペースト状ではないモルタル、土、砂、砂利、砕石などが挙げられる。これにより、水分を含んだペースト状のモルタルなどと比較して、施工スピードを向上させることができる。なお、ガイド材３の隙間に充填材５を充填する場合は、ガイド材３の立ち上がり部３３に板材を沿わせてもよい。また、充填材５の高さが高い場合は、充填材５の沈下を防ぐために、一旦締め固めた後に均してもよい。 The filler 5 is filled and solidified between the ground 100 and the upper end portion 34 of the guide material 3. Examples of the filler 5 include air-kneaded mortar, and examples thereof include non-paste-like mortar containing water, soil, sand, gravel, and crushed stone. As a result, the construction speed can be improved as compared with a paste-like mortar containing water. When filling the gap of the guide material 3 with the filler 5, the plate material may be placed along the rising portion 33 of the guide material 3. When the height of the filler 5 is high, the filler 5 may be compacted and then leveled in order to prevent the filler 5 from sinking.

＜基礎構造の製造方法＞
図５〜図１３を参照して、基礎構造１の製造方法の一例について説明する。 <Manufacturing method of foundation structure>
An example of the manufacturing method of the basic structure 1 will be described with reference to FIGS. 5 to 13.

まず、砂や砂利などを敷き込み、転圧を行って地盤１００を形成する。地盤１００の上端の水平レベルおよび高さレベルの調整は、厳密に行う必要はなく、ある程度行うだけで足りる。図５，図６に示すように、平板材２を４つ用意し、地盤１００上に等間隔に配置する。本実施の形態では、平板材２の被係合部２２が設けられている２つの辺が外方を向いて配置されている。この場合、それぞれの平板材２は、水平レベルおよび高さレベルの調整を厳密に行う必要はなく、地盤１００上に配置されていればよい。 First, sand, gravel, or the like is laid and compacted to form the ground 100. The horizontal level and height level of the upper end of the ground 100 do not need to be adjusted strictly, but only to some extent. As shown in FIGS. 5 and 6, four flat plate members 2 are prepared and arranged at equal intervals on the ground 100. In the present embodiment, the two sides of the flat plate member 2 provided with the engaged portion 22 are arranged facing outward. In this case, it is not necessary to strictly adjust the horizontal level and the height level of each of the flat plate members 2, and it is sufficient that each of the flat plate members 2 is arranged on the ground 100.

図７に示すように、互いに隣り合う平板材２の間に、地盤１００を形成する砕石を充填する。具体的には、複数の平板材２の上面２０以外を全て砕石で埋める。ここで、地盤１００は、砕石だけではなく、たとえば、土、砂、砂利、コンクリート、アスファルトなどを含む。なお、地盤１００上に平板材２が入る大きさの穴を掘り、その穴の中に平板材２を埋めて、平板材２の上面２０だけを露出させてもよい。これにより、隣り合う平板材２の間に充填材５を充填する必要がないため、充填材５の量を減らすことができる。 As shown in FIG. 7, crushed stone forming the ground 100 is filled between the flat timbers 2 adjacent to each other. Specifically, all but the upper surface 20 of the plurality of flat lumber 2 is filled with crushed stone. Here, the ground 100 includes not only crushed stone but also, for example, soil, sand, gravel, concrete, asphalt and the like. It is also possible to dig a hole in the ground 100 having a size for the flat plate material 2 to be inserted, fill the flat plate material 2 in the hole, and expose only the upper surface 20 of the flat plate material 2. As a result, it is not necessary to fill the filler 5 between the adjacent flat plates 2, so that the amount of the filler 5 can be reduced.

図８，図９に示すように、４つの平板材２を４つのガイド材３で連結する。具体的には、ガイド材３の取付部３１を平板材２の上面に配置する。これにより、ガイド材３の立ち上がり部３３は、平板材２の上面２０から上方に立ち上がる。さらに、ガイド材３の挿通穴３２と平板材２の被係合部２２とを係合部（ボルト）３５で貫通させ、ガイド材３を平板材２に仮止めする。 As shown in FIGS. 8 and 9, the four flat plate members 2 are connected by the four guide members 3. Specifically, the mounting portion 31 of the guide material 3 is arranged on the upper surface of the flat plate material 2. As a result, the rising portion 33 of the guide material 3 rises upward from the upper surface 20 of the flat plate material 2. Further, the insertion hole 32 of the guide material 3 and the engaged portion 22 of the flat plate material 2 are passed through by the engaging portion (bolt) 35, and the guide material 3 is temporarily fixed to the flat plate material 2.

図１０，図１１に示すように、ガイド材３の取付部３１と平板材２の上面２０との間に２つのスペーサー４１を設けて、ガイド材３の上端部３４の高さレベルおよび水平レベルを調整する。図１０（ａ）は紙面上の右側に位置するガイド材３の上端部３４のレベル調整を行った状態を示す側面図であり、（ｂ）は紙面上の左側に位置するガイド材３の上端部３４のレベル調整を行った状態を示す側面図である。 As shown in FIGS. 10 and 11, two spacers 41 are provided between the mounting portion 31 of the guide material 3 and the upper surface 20 of the flat plate material 2, and the height level and the horizontal level of the upper end portion 34 of the guide material 3 are provided. To adjust. FIG. 10A is a side view showing a state in which the level of the upper end portion 34 of the guide material 3 located on the right side of the paper surface is adjusted, and FIG. 10B is a side view showing a state in which the upper end portion 34 of the guide material 3 located on the right side of the paper surface is adjusted. It is a side view which shows the state which performed the level adjustment of the part 34.

ガイド材３の上端部３４の高さ位置を、施工現場において測量機等を用いてレベル出しされた正確な高さ位置に合わせる。まず、図１０（ａ）に示すように、紙面上の右側に位置するガイド材３の上端部３４の高さ位置を、計測器などを用いてレベル出しされた正確な高さ位置に合わせる。それと共に、ガイド材３の上端部３４上に水準器を載置して傾きをチェックし、傾いていれば水平となるようにスペーサー４１で調整し、ガイド材３の傾きを微調整する。なお、図１０（ａ），図１０（ｂ）において、ガイド材３と平板材２との間には、スペーサー４１を設けているが、あらかじめ正確な高さとなっている場合には、スペーサー４１を設ける必要はない。 The height position of the upper end portion 34 of the guide material 3 is adjusted to the exact height position leveled by a surveying instrument or the like at the construction site. First, as shown in FIG. 10A, the height position of the upper end portion 34 of the guide material 3 located on the right side on the paper surface is adjusted to the accurate height position leveled by using a measuring instrument or the like. At the same time, a spirit level is placed on the upper end portion 34 of the guide material 3 to check the inclination, and if the guide material 3 is inclined, the spacer 41 is used to adjust the inclination so that the guide material 3 is horizontal, and the inclination of the guide material 3 is finely adjusted. In addition, in FIGS. 10A and 10B, a spacer 41 is provided between the guide material 3 and the flat plate material 2, but if the height is accurate in advance, the spacer 41 is provided. There is no need to provide.

次に、紙面上の左側に位置するガイド材３の上端部３４の高さ位置を正確な高さ位置に合わせる。図１０（ａ）に示すように、レベル出しされた正確な高さ位置（本実施の形態では、紙面上の右側に位置するガイド材３の上端部３４）と、紙面上の左側に位置するガイド材３の上端部３４の位置とのずれは、寸法Ｈである。図１０（ｂ）に示すように、左側に位置するガイド材３の取付部３１と平板材２の上面２０との間にスペーサー４１を押し込んで、スペーサー４１の厚みのある部分で取付部３１を支持させ、寸法Ｈだけガイド材３の上端部３４を上昇させて、正確なレベルに合わせる。それと共に、上述と同様の方法で水平レベルも調整する。 Next, the height position of the upper end portion 34 of the guide material 3 located on the left side on the paper surface is adjusted to the accurate height position. As shown in FIG. 10A, the leveled accurate height position (in the present embodiment, the upper end portion 34 of the guide material 3 located on the right side of the paper surface) and the left side on the paper surface are located. The deviation from the position of the upper end portion 34 of the guide material 3 is the dimension H. As shown in FIG. 10B, the spacer 41 is pushed between the mounting portion 31 of the guide material 3 located on the left side and the upper surface 20 of the flat plate material 2, and the mounting portion 31 is formed by the thick portion of the spacer 41. It is supported and the upper end portion 34 of the guide material 3 is raised by the dimension H to adjust to an accurate level. At the same time, the horizontal level is adjusted in the same manner as described above.

このように、レベル調整部４で平板材２の上面２０とガイド材３の上端部３４との間隔を調整することで、左側に位置するガイド材３の上端部３４と、右側に位置するガイド材３の上端部３４との水平レベルおよび高さレベルを調節することができる。このような手順で、他のガイド材３の上端部３４のレベル出しを行う。 In this way, by adjusting the distance between the upper surface 20 of the flat plate material 2 and the upper end portion 34 of the guide material 3 by the level adjusting portion 4, the upper end portion 34 of the guide material 3 located on the left side and the guide located on the right side are adjusted. The horizontal level and height level of the material 3 with the upper end portion 34 can be adjusted. In such a procedure, the upper end portion 34 of the other guide material 3 is leveled.

図１２，図１３に示すように、地盤１００とガイド材３の上端部３４との間に充填材５を充填させる。次に、対向するガイド材３に掛け渡せるだけの長さを有する長尺状の板（図示せず）を準備する。準備した長尺状板を、対向するガイド材３に対して直交するように、ガイド材３の上端部３４に掛け渡す。さらに、長尺状板をガイド材３の長手方向に沿って移動させて、上端部３４の高さ位置よりも上方に盛り上がっている充填材５を取り除いたり、上端部３４の高さ位置に達しない部分に充填材５を移動させたりして、充填材５の高さ位置をガイド材３の上端部３４の高さ位置と同様になるように均していく。 As shown in FIGS. 12 and 13, the filler 5 is filled between the ground 100 and the upper end portion 34 of the guide material 3. Next, a long plate (not shown) having a length sufficient to be hung on the facing guide material 3 is prepared. The prepared long plate is hung on the upper end portion 34 of the guide material 3 so as to be orthogonal to the opposite guide material 3. Further, the elongated plate is moved along the longitudinal direction of the guide material 3 to remove the filler 5 rising above the height position of the upper end portion 34, or to reach the height position of the upper end portion 34. The filler 5 is moved to a portion where the filler 5 is not used, and the height position of the filler 5 is leveled so as to be the same as the height position of the upper end portion 34 of the guide material 3.

これにより、ガイド材３の上端部３４の高さレベルおよび水平レベルは、既に所定のレベルに保たれているため、充填材５をガイド材３の上端部３４の高さレベルまで充填させて上面を均すだけで、基礎構造１を所定の水平レベルおよび高さレベルに保つことができる。 As a result, the height level and the horizontal level of the upper end portion 34 of the guide material 3 are already maintained at predetermined levels, so that the filler 5 is filled to the height level of the upper end portion 34 of the guide material 3 to the upper surface. The foundation structure 1 can be kept at a predetermined horizontal level and height level only by leveling.

従来は、作業者がレベル出しを行いながら、コテやトンボなどで充填材５の上面を均す必要があり、施工時間がかかっていた。しかし、ガイド材３の上端部３４上には、何も取り付けられないため、長尺状板をガイド材３の上端部３４上に掛け渡し、長尺状板をガイド材３に沿って移動させるという簡易な方法で充填材５の上面を水平に均すことができる。このように、本実施の形態によれば、施工時間を短縮することができ、省施工で容易にレベル調整を行うことができる。 In the past, it was necessary for the operator to level the upper surface of the filler 5 with a trowel, a dragonfly, or the like while leveling, which took a long time. However, since nothing can be attached on the upper end portion 34 of the guide material 3, the elongated plate is hung on the upper end portion 34 of the guide material 3 and the elongated plate is moved along the guide material 3. The upper surface of the filler 5 can be leveled horizontally by this simple method. As described above, according to the present embodiment, the construction time can be shortened, and the level can be easily adjusted by saving the construction work.

＜プレキャスト構造体＞
次に、図１４を参照して、基礎構造１上にプレキャスト構造体１１０の設置方法について説明する。図１４は、形状の異なる複数のプレキャスト構造体１１０Ａ〜１１０Ｃを基礎構造１上に載置した状態を示す平面図である。なお、図１３において、基礎構造１の図示は省略している。また、図１４においても、矢印Ａ１で示す方向を幅方向、矢印Ａ３で示す奥行き方向を長手方向とする。 <Precast structure>
Next, with reference to FIG. 14, a method of installing the precast structure 110 on the foundation structure 1 will be described. FIG. 14 is a plan view showing a state in which a plurality of precast structures 110A to 110C having different shapes are placed on the foundation structure 1. In FIG. 13, the basic structure 1 is not shown. Further, also in FIG. 14, the direction indicated by the arrow A1 is the width direction, and the depth direction indicated by the arrow A3 is the longitudinal direction.

プレキャスト構造体１１０Ａ〜１１０Ｃの上面には、その幅方向の中央部に目印部１１１Ａ〜１１１Ｃがそれぞれ形成されている。目印部１１１Ａ〜１１１Ｃは、たとえば、切り込み、印字、段差などにより付されていればよい。基礎構造１の上方にプレキャスト構造体１１０Ａ〜１１０Ｃを載置するには、まず、基礎構造１の上方に、図１４において一点鎖線で示す水糸１２０を張る。この水糸１２０は、基礎構造１の幅方向中央部において、長手方向に延在する。プレキャスト構造体１１０の目印部１１１Ａ〜１１１Ｃと水糸１２０とが一致するように、プレキャスト構造体１１０Ａ〜１１０Ｃを基礎構造１上に載置する。 On the upper surfaces of the precast structures 110A to 110C, mark portions 111A to 111C are formed at the central portion in the width direction thereof. The mark portions 111A to 111C may be attached by, for example, a notch, printing, a step, or the like. In order to place the precast structures 110A to 110C above the foundation structure 1, first, the water thread 120 shown by the alternate long and short dash line in FIG. 14 is stretched above the foundation structure 1. The water thread 120 extends in the longitudinal direction at the central portion in the width direction of the foundation structure 1. The precast structures 110A to 110C are placed on the foundation structure 1 so that the mark portions 111A to 111C of the precast structure 110 and the water thread 120 coincide with each other.

本実施の形態に係る基礎構造１によれば、プレキャスト構造体１１０Ａ〜１１０Ｃの目印部１１１Ａ〜１１１Ｃを基礎構造１に張った水糸１２０に沿わせて配置するだけで、基礎構造１の中心線上にプレキャスト構造体１１０を容易に載置することができ、別途、墨出しを行う必要がなく、プレキャスト構造体１１０Ａ〜１１０Ｃの位置合わせ、いわゆる通り出しを容易に行なうことができる。これにより、形状の異なる複数のプレキャスト構造体１１０Ａ〜１１０Ｃを基礎構造１上に配置するための施工時間を短縮することが可能である。 According to the foundation structure 1 according to the present embodiment, the mark portions 111A to 111C of the precast structures 110A to 110C are simply arranged along the water thread 120 stretched on the foundation structure 1 on the center line of the foundation structure 1. The precast structure 110 can be easily placed on the surface, and it is not necessary to separately perform marking, and the precast structures 110A to 110C can be easily aligned, so-called passing out. This makes it possible to shorten the construction time for arranging a plurality of precast structures 110A to 110C having different shapes on the foundation structure 1.

＜基礎構造の変形例＞
図１５を参照して、基礎構造１Ａの変形例について説明する。以下の説明において、上述した実施の形態との相違点のみ詳細に説明する。なお、理解容易のため、図１５において、充填材５の図示を省略している。 <Modification example of foundation structure>
A modification of the basic structure 1A will be described with reference to FIG. In the following description, only the differences from the above-described embodiments will be described in detail. For ease of understanding, the filler 5 is not shown in FIG.

基礎構造１Ａでは、同一形状の８つの平板材２が配置されている。８つの平板材２を連結するために７つのガイド材３が用いられている。ガイド材３は、いずれも取付部３１および立ち上がり部３３を有する点で共通するが、長手方向の長さが異なる。なお、ガイド材３は、長手方向の長さを除き同一形状であるが、説明の便宜上、７つのガイド材３をそれぞれガイド材３Ａ〜３Ｇとする。同様に、平板材２は、同一形状であるが、説明の便宜上、８つの平板材２をそれぞれ平板材２Ａ〜２Ｈとする。さらに、平板材２に形成される被係合部２２も、すべて同一形状であるが、説明の便宜上、図３（ｂ）と同様の位置関係で、第１被係合部２２ａ、第２被係合部２２ｂ、第３被係合部２２ｃ、第４被係合部２２ｄとして説明する。 In the foundation structure 1A, eight flat plate members 2 having the same shape are arranged. Seven guide materials 3 are used to connect the eight flat plate materials 2. The guide materials 3 are common in that they both have a mounting portion 31 and a rising portion 33, but their lengths in the longitudinal direction are different. The guide materials 3 have the same shape except for the length in the longitudinal direction, but for convenience of explanation, the seven guide materials 3 are referred to as guide materials 3A to 3G, respectively. Similarly, the flat plate members 2 have the same shape, but for convenience of explanation, the eight flat plate members 2 are referred to as flat plate members 2A to 2H, respectively. Further, the engaged portions 22 formed on the flat plate member 2 also have the same shape, but for convenience of explanation, the first engaged portions 22a and the second engaged portions 22a have the same positional relationship as in FIG. 3 (b). It will be described as the engaging portion 22b, the third engaged portion 22c, and the fourth engaged portion 22d.

上述のように、ガイド材３Ａ〜３Ｇは、レベル調整部４を介して取り付けられる。それぞれのガイド材３Ａ〜３Ｊの取り付け配置について説明する。 As described above, the guide materials 3A to 3G are attached via the level adjusting unit 4. The mounting arrangement of each of the guide materials 3A to 3J will be described.

ガイド材３Ａは、平板材２Ａの第４被係合部２２ｄおよび平板材２Ｂの第３被係合部２２ｃに取り付けられている。ガイド材３Ｂは、平板材２Ａの第３被係合部２２ｃおよび平板材２Ｃの第４被係合部２２ｄに取り付けられている。ガイド材３Ｃは、平板材２Ｂの第４被係合部２２ｄおよび平板材２Ｄの第３被係合部２２ｃに取り付けられている。ガイド材３Ａ〜３Ｃは、略同一の形状である。ガイド材３Ｄは、平板材２Ｂの第２被係合部２２ｂおよび平板材２Ｅの第１被係合部２２ａに取り付けられている。ガイド材３Ｅは、平板材２Ｄの第１被係合部２２ａおよび平板材２Ｆの第２被係合部２２ｂに取り付けられている。ガイド材３Ｆは、平板材２Ｃの第３被係合部２２ｃおよび平板材２Ｇの第４被係合部２２ｄに取り付けられている。ガイド材３Ｇは、平板材２Ｄの第４被係合部２２ｄおよび平板材２Ｈの第３被係合部２２ｃに取り付けられている。ガイド材３Ｄ〜３Ｇは、略同一の形状である。 The guide material 3A is attached to the fourth engaged portion 22d of the flat plate material 2A and the third engaged portion 22c of the flat plate material 2B. The guide material 3B is attached to the third engaged portion 22c of the flat plate material 2A and the fourth engaged portion 22d of the flat plate material 2C. The guide material 3C is attached to the fourth engaged portion 22d of the flat plate material 2B and the third engaged portion 22c of the flat plate material 2D. The guide materials 3A to 3C have substantially the same shape. The guide material 3D is attached to the second engaged portion 22b of the flat plate material 2B and the first engaged portion 22a of the flat plate material 2E. The guide material 3E is attached to the first engaged portion 22a of the flat plate material 2D and the second engaged portion 22b of the flat plate material 2F. The guide material 3F is attached to the third engaged portion 22c of the flat plate material 2C and the fourth engaged portion 22d of the flat plate material 2G. The guide material 3G is attached to the fourth engaged portion 22d of the flat plate material 2D and the third engaged portion 22c of the flat plate material 2H. The guide materials 3D to 3G have substantially the same shape.

このように、平板材２Ａ，２Ｂ，２Ｃ，２Ｄ上には、複数のガイド材３Ａ〜３Ｇの端部が互いに隙間をあけて配置されている。特に、平板材２Ｂ，２Ｄ上には、３つのガイド材２２の端部が３つ配置されているものの、被係合部２２が隙間をあけて設けられているため、ガイド材３の端部が、交差せず干渉することがない。これにより、平板材２の配置箇所によって、平板材２の形状を何ら変える必要はなく、同じ形状の平板材２で基礎構造１を製造することが可能である。 In this way, the ends of the plurality of guide materials 3A to 3G are arranged on the flat plate materials 2A, 2B, 2C, and 2D with a gap between them. In particular, although three ends of the three guide materials 22 are arranged on the flat plate materials 2B and 2D, the end portions of the guide material 3 are provided with a gap between the engaged portions 22. However, it does not intersect and does not interfere. As a result, it is not necessary to change the shape of the flat plate material 2 depending on the location where the flat plate material 2 is arranged, and the foundation structure 1 can be manufactured from the flat plate material 2 having the same shape.

なお、本実施の形態において、平板材２は、平面視略矩形形状であるとして説明したが、種々の形状とすることができる。たとえば、平板材２は、平面視において円形形状、多角形形状などであってもよい。 Although the flat plate member 2 has been described as having a substantially rectangular shape in a plan view in the present embodiment, it can have various shapes. For example, the flat plate material 2 may have a circular shape, a polygonal shape, or the like in a plan view.

また、本実施の形態において、被係合部２２は、平板材２の直交する２辺に沿って、それぞれ２つ設けられているとしたが、１つ以上設けられていればよい。たとえば、平板材２の直交する２辺に沿って、１つずつ設けられていてもよい。また、平板材２の外周縁を形成する４辺に沿って、それぞれ２つ設けられていてもよい。 Further, in the present embodiment, it is assumed that two engaged portions 22 are provided along two orthogonal sides of the flat plate member 2, but one or more engaged portions 22 may be provided. For example, they may be provided one by one along two orthogonal sides of the flat plate member 2. Further, two may be provided along the four sides forming the outer peripheral edge of the flat plate member 2.

また、本実施の形態において、互いに隣り合う平板材２の間には、地盤１００を形成する砕石が充填されているとしたが、地盤１００ではなく、充填材５が充填されていてもよい。 Further, in the present embodiment, it is said that the crushed stones forming the ground 100 are filled between the flat plates 2 adjacent to each other, but the filler 5 may be filled instead of the ground 100.

また、本実施の形態において、ガイド材３は、断面視略Ｌ字形状であるとしたが、限定的ではなく、たとえば、断面視略Ｔ字形状であってもよい。 Further, in the present embodiment, the guide material 3 is said to have a substantially L-shaped cross-sectional view, but is not limited, and may be, for example, a substantially T-shaped cross-sectional view.

以上、図面を参照してこの発明の実施の形態を説明したが、この発明は、図示した実施の形態のものに限定されない。図示した実施の形態に対して、この発明と同一の範囲内において、あるいは均等の範囲内において、種々の修正や変形を加えることが可能である。 Although the embodiments of the present invention have been described above with reference to the drawings, the present invention is not limited to those of the illustrated embodiments. It is possible to make various modifications and modifications to the illustrated embodiment within the same range as the present invention or within the same range.

１，１Ａ 基礎構造、２，２Ａ〜２Ｈ 平板材、３，３Ａ〜３Ｇ ガイド材、４ レベル調整部、５ 充填材、２０ 上面、２１ 底面、２２ 被係合部、２２ａ 第１被係合部、２２ｂ 第２被係合部、２２ｃ 第３被係合部、２２ｄ 第４被係合部、２３ａ 第１辺、２３ｂ 第２辺、２３ｃ 第３辺、２３ｄ 第４辺、３１ 取付部、３２ 挿通穴、３３ 立ち上がり部、３４ 上端部、３５ 係合部、４１ スペーサー、１００ 地盤、１１０，１１０Ａ〜１１０Ｃ プレキャスト構造体、１１１Ａ〜１１１Ｃ 目印部、１２０ 水糸。 1,1A foundation structure, 2,2A to 2H flat plate material, 3,3A to 3G guide material, 4 level adjustment part, 5 filling material, 20 top surface, 21 bottom surface, 22 engaged part, 22a first engaged part , 22b 2nd engaged part, 22c 3rd engaged part, 22d 4th engaged part, 23a 1st side, 23b 2nd side, 23c 3rd side, 23d 4th side, 31 mounting part, 32 Insertion hole, 33 rising part, 34 upper end part, 35 engaging part, 41 spacer, 100 ground, 110, 110A to 110C precast structure, 111A to 111C mark part, 120 water thread.

Claims (5)

地盤側に位置する底面と、プレキャスト構造体側に位置する上面とを有し、互いに間隔をあけて配置される複数の平板材と、
前記複数の平板材のうち隣り合う２つの平板材間に掛け渡され、水平方向に延在する上端部を有し、対向して設けられる複数のガイド材と、
前記平板材に取り付けられ、前記平板材の上面と前記ガイド材の上端部との間の間隔を調整するレベル調整部と、
前記地盤と前記ガイド材の上端部との間に充填されて固化される充填材とを備え、
前記レベル調整部は、前記平板材の上面に設けられた被係合部と、前記ガイド材に取り付けられ、前記被係合部に係合する係合部とを含み、
前記ガイド材は、略Ｌ字形状の断面を有し、前記係合部が貫通する取付部と、前記取付部から上方に立ち上がり、前記上端部を形成する立ち上がり部とを含み、
前記レベル調整部は、前記ガイド材の前記取付部と前記平板材との間に設けられるスペーサーを有し、
固化された前記充填材の上面には、前記プレキャスト構造体の下面が当接する、基礎構造。 A plurality of flat plates having a bottom surface located on the ground side and an upper surface located on the precast structure side and arranged at intervals from each other.
Spanned between two flat plate adjacent one of said plurality of flat plate, have a top end portion extending in the horizontal direction, and a plurality of guide members which are arranged opposite,
A level adjusting unit attached to the flat plate material and adjusting the distance between the upper surface of the flat plate material and the upper end portion of the guide material.
It is provided with a filler that is filled and solidified between the ground and the upper end of the guide material.
The level adjusting portion includes an engaged portion provided on the upper surface of the flat plate material and an engaging portion attached to the guide material and engaged with the engaged portion.
The guide material has a substantially L-shaped cross section, and includes a mounting portion through which the engaging portion penetrates, and a rising portion that rises upward from the mounting portion and forms the upper end portion.
The level adjusting portion has a spacer provided between the mounting portion of the guide material and the flat plate material.
A foundation structure in which the lower surface of the precast structure abuts on the upper surface of the solidified filler. 前記平板材は、略矩形形状であり、
前記被係合部は、前記平板材の少なくとも互いに直交する２辺に沿って、それぞれ１つ以上設けられている、請求項１に記載の基礎構造。 The flat plate material has a substantially rectangular shape and has a substantially rectangular shape.
The basic structure according to claim 1 , wherein the engaged portion is provided at least one or more along at least two sides of the flat plate member orthogonal to each other. 前記平板材上には、互いに隙間をあけて前記複数のガイド材の端部が配置されている、請求項１または２に記載の基礎構造。 The basic structure according to claim 1 or 2 , wherein the ends of the plurality of guide materials are arranged on the flat plate material with a gap between them. 互いに隣り合う前記平板材の間には、地盤を形成する砕石が充填されている、請求項１〜３のいずれかに記載の基礎構造。 The foundation structure according to any one of claims 1 to 3 , wherein crushed stone forming the ground is filled between the flat plates adjacent to each other. 地盤側に位置する底面と、プレキャスト構造体側に位置する上面とを有する平板材を複数用意して、前記平板材を互いに間隔をあけて配置する工程と、
略Ｌ字形状の断面を有し、取付部と、前記取付部から上方に立ち上がり、水平方向に延在する上端部を形成する立ち上がり部とを含む複数のガイド材を、前記複数の平板材のうち隣り合う２つの平板材間に掛け渡して対向して設ける工程と、
前記平板材の上面に設けられた被係合部と、前記ガイド材に取り付けられ、前記被係合部に係合する係合部とを含むレベル調整部を前記平板材に取り付け、前記平板材の上面と前記ガイド材の上端部との間の間隔を、前記ガイド材の前記取付部と前記平板材との間に設けられるスペーサーで調整する工程と、
前記地盤と前記ガイド材の上端部との間に充填材を充填させて固化させる工程と、
前記プレキャスト構造体の下面が、固化された前記充填材の上面に当接するように設置する工程とを備える、基礎構造の製造方法。 A step of preparing a plurality of flat plates having a bottom surface located on the ground side and an upper surface located on the precast structure side, and arranging the flat plate materials at intervals from each other.
A plurality of guide materials having a substantially L-shaped cross section, including a mounting portion and a rising portion that rises upward from the mounting portion and forms an upper end portion extending in the horizontal direction, are formed on the plurality of flat plate materials. a step of providing facing out and passed over between the two flat plate adjacent,
A level adjusting portion including an engaged portion provided on the upper surface of the flat plate material and an engaging portion attached to the guide material and engaged with the engaged portion is attached to the flat plate material, and the flat plate material is attached. The step of adjusting the distance between the upper surface of the guide material and the upper end portion of the guide material with a spacer provided between the mounting portion of the guide material and the flat plate material.
A step of filling a filler between the ground and the upper end of the guide material to solidify it .
A method for manufacturing a basic structure, comprising a step of installing the precast structure so that the lower surface thereof abuts on the upper surface of the solidified filler.
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