JP2006322154A - Foundation construction method of building - Google Patents

Foundation construction method of building Download PDF

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Publication number
JP2006322154A
JP2006322154A JP2005143689A JP2005143689A JP2006322154A JP 2006322154 A JP2006322154 A JP 2006322154A JP 2005143689 A JP2005143689 A JP 2005143689A JP 2005143689 A JP2005143689 A JP 2005143689A JP 2006322154 A JP2006322154 A JP 2006322154A
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foundation
base
concrete
ground
sill
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Japanese (ja)
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Masatoshi Takada
正利 高田
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KOOYOO CREATE KK
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KOOYOO CREATE KK
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Abstract

<P>PROBLEM TO BE SOLVED: To provide a foundation construction method of a building capable of integrating a foundation and a sill into the upper surface of base concrete without taking into consideration horizontal accuracy, by simultaneously performing the construction of the foundation and a fixation of the sill to its foundation. <P>SOLUTION: The foundation 18 is constructed so that the sill 1 is arranged in a state of floating from the ground surface by supporting the sill 1 on the ground surface of a foundation constructing via a plurality of support members 3; a reinforcement 14 for the foundation is arranged in a space between the sill 1 and the ground surface; an anchor bolt 15 is installed in the lower part of the sill 1; forms 17 for the foundation are arranged on the ground surface on both lower sides of the sill 1 in this state; and concrete is placed up to a level reaching the under surface of the sill 1 between both the forms 17. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

この発明は、建築物のコンクリート基礎を、その上に配置される建物土台と一体化した状態で構築することができる建築物の基礎構築工法に関する。   TECHNICAL FIELD The present invention relates to a building foundation construction method capable of building a concrete foundation of a building in an integrated state with a building base disposed thereon.

従来、一般的な建築物のコンクリート基礎構築方法は、地固めした地面上に両側で対向する基礎用型枠を配置し、この基礎用型枠の内部に基礎用鉄筋を配筋すると共にこれにアンカーボルトを建て込み、次に、基礎用型枠間にコンクリートを打設し、コンクリートの凝固後に型枠を解体することにより、内部に基礎用鉄筋が埋設され、上面からアンカーボルトが所定長さ突出するコンクリート基礎を構築するものである。   Conventionally, a general method of building a concrete foundation in a building is to place a foundation formwork facing on both sides on a solidified ground, arrange a foundation rebar inside the foundation formwork, and anchor to it. Bolts are built, then concrete is placed between the foundation molds, and the concrete frames are disassembled after the concrete is solidified, so that the reinforcing bars for foundations are embedded inside, and the anchor bolts protrude from the upper surface for a predetermined length. To build concrete foundations.

このようにして構築されたコンクリート基礎の上に土台を載置し、土台を貫通したアンカーボルトの上端にナットを螺合し、このナットを締め付けることにより、土台をコンクリート基礎に固定化するものである(特許文献1参照)。
特開平10−195885号公報
The foundation is placed on the concrete foundation constructed in this way, and a nut is screwed onto the upper end of the anchor bolt that penetrates the foundation. By tightening this nut, the foundation is fixed to the concrete foundation. Yes (see Patent Document 1).
Japanese Patent Laid-Open No. 10-195585

ところで、上記のような従来の基礎構築方法は、基礎の構築とその上への土台の固定が別工程になり、基礎コンクリートの凝固まで土台を取付けることができないため、工期が長くかかることになる。   By the way, in the conventional foundation construction method as described above, the construction of the foundation and the fixing of the foundation thereon are separate processes, and the foundation cannot be attached until the solidification of the foundation concrete. .

また、土台の水平配置のためには、基礎コンクリートの上面の水平精度が要求されるが、型枠間に打設したコンクリートの上面を水平に精度よく仕上げるには、熟練した技術と手間を要することになり、このような作業をこなすことのできる熟練した技術の作業員を確保するのが困難である。   In addition, for the horizontal placement of the foundation, the horizontal accuracy of the upper surface of the foundation concrete is required, but skillful techniques and labor are required to finish the upper surface of the concrete placed between the molds horizontally and accurately. As a result, it is difficult to secure skilled workers who can perform such operations.

そこで、この発明の課題は、基礎の構築とその上への土台の固定が同時に行え、建物を構築するための工期の短縮が図れるだけでなく、基礎コンクリートの上面に水平精度を考慮することなく基礎と土台を一体化することができる建築物の基礎構築工法を提供することにある。   Therefore, the object of the present invention is to perform the construction of the foundation and the fixing of the foundation on it at the same time, not only shortening the construction period for constructing the building but also without considering the horizontal accuracy on the upper surface of the foundation concrete The object is to provide a foundation construction method for a building that can integrate the foundation and foundation.

上記のような課題を解決するため、この発明は、基礎構築部分の地面上に、上下長さの調整が可能な複数の支持部材を介して土台を支持することにより、この土台を地面から浮かせた状態で配置し、前記土台と地面間の空間に基礎用鉄筋を土台の長さ方向に沿って配筋すると共に、土台の下部にアンカーボルトを取付け、この状態で土台の下部両側の地面上に型枠を配置し、両型枠間にコンクリートを土台の下面に達するレベルまで打設し、土台と一体化した基礎を構築する構成を採用したものである。   In order to solve the problems as described above, the present invention floats the foundation from the ground by supporting the foundation on the ground of the foundation construction part via a plurality of support members capable of adjusting the vertical length. The foundation rebar is placed in the space between the foundation and the ground along the length of the foundation, and anchor bolts are attached to the bottom of the foundation. In this case, a configuration is adopted in which a formwork is placed on the base plate and concrete is placed between the two formwork pieces up to a level that reaches the bottom surface of the base to construct a foundation integrated with the base.

ここで、土台は鋼製のH型材を用い、建築物の平面形状に対応した枠状に組まれ、その下面の複数箇所を上下長さの調整が可能な複数の支持部材で支持することにより、水平に精度よく配置するようにしておく。   Here, the base is made of a steel H-shaped material, assembled in a frame shape corresponding to the planar shape of the building, and supported by a plurality of support members capable of adjusting the vertical length at a plurality of positions on the lower surface. Align horizontally and accurately.

上記支持部材は、上端に土台との結合座板を設けた筒軸の下端内部にナットを固定し、このナットに螺合した螺軸の下端に回動操作部を兼ねる接地金具を設けて形成され、基礎構築部分の地面上に配置したベース板の孔に接地金具の下端を嵌め、接地金具と共に螺軸を回転させ、筒軸と螺軸の上下長さを調整することにより、この支持部材で支持した土台の上面の水平出しを行うようにする。   The support member is formed by fixing a nut inside the lower end of a cylindrical shaft provided with a coupling seating plate with a base at the upper end, and providing a grounding fitting also serving as a rotation operation unit at the lower end of the screw shaft screwed into the nut. The support member is formed by fitting the lower end of the grounding metal fitting into the hole of the base plate arranged on the ground of the foundation construction part, rotating the screw shaft together with the grounding metal fitting, and adjusting the vertical length of the cylindrical shaft and the screw shaft. Level the top surface of the foundation supported in step 1.

対向配置した型枠間に打設するコンクリートは、その上面が土台の下面に達するように打設すればよく、土台の下面が定規になるので、コンクリート上面の水平精度に気を使う必要はなく、また、土台の下部に予めアンカーボルトを取付けておくことにより、コンクリートが凝固した時点で基礎に対する土台の固定化が得られることになる。   The concrete to be placed between the oppositely placed molds should be placed so that the upper surface reaches the lower surface of the foundation, and the lower surface of the foundation becomes a ruler, so there is no need to pay attention to the horizontal accuracy of the concrete upper surface. In addition, by attaching anchor bolts to the lower part of the foundation in advance, the foundation can be fixed to the foundation when the concrete solidifies.

この発明によると、土台を上下長さの調整が可能な複数の支持部材を介して支持することで地面から浮かせた状態で配置し、この土台と地面間の空間に基礎用鉄筋を土台の長さ方向に沿って配筋すると共に、土台の下部にアンカーボルトを取付け、この状態で土台の下部両側の地面上に型枠を配置し、両型枠間にコンクリートを土台の下面に達するレベルまで打設するようにしたので、コンクリート基礎の構築とその上への土台の固定が同時に行え、土台の下部に予めアンカーボルトを取付けておくことにより、コンクリートが凝固した時点で基礎に対する土台の固定化が得られ、建物を構築するための工期の短縮が図れる。   According to the present invention, the base is arranged in a state where it is floated from the ground by supporting it through a plurality of support members whose vertical lengths can be adjusted, and the foundation reinforcing bars are placed in the space between the base and the ground. In addition to arranging the bars along the vertical direction, attach anchor bolts to the lower part of the foundation, and in this state, place the formwork on the ground on both sides of the lower part of the foundation. Since the concrete foundation was constructed and the foundation was fixed on it, the foundation was fixed to the foundation when the concrete solidified by attaching anchor bolts to the bottom of the foundation in advance. And the construction period for building the building can be shortened.

また、土台を水平に精度よく配置することにより、土台の下面が打設コンクリートの定規になり、コンクリート上面の水平精度に気を使う必要はなく、専門職を確保しなくてもコンクリートの打設が可能になり、水平精度の高い土台を有する基礎を構築することができる。   In addition, by placing the foundation horizontally and accurately, the bottom surface of the foundation becomes a ruler for placing concrete, so there is no need to pay attention to the horizontal accuracy of the top surface of the concrete. It is possible to construct a foundation having a foundation with high horizontal accuracy.

以下、この発明の実施の形態を添付図面に基づいて説明する。   Embodiments of the present invention will be described below with reference to the accompanying drawings.

図示のように、土台1は鋼製のH型材1aを用い、建築物の平面形状とその大きさに対応した枠状に組まれ、必要なコーナ部分には直角の位置関係にあるH型材1aをアングル材2等を使用して結合することによる補強が施されている。   As shown in the drawing, the base 1 uses a steel H-shaped material 1a, is assembled into a frame shape corresponding to the planar shape of the building and its size, and has a right-angled positional relationship with the required corner portion 1a. Are reinforced by joining them using the angle member 2 or the like.

図4のように、基礎構築部分の地面上に配置され、上記土台1の複数箇所を支持する支持部材3は、上下に長い筒軸4の上端に、複数のボルト孔5を備えた土台1との結合座板6を固定し、前記筒軸4の下端内部にナット7を固定し、このナット7に螺合した螺軸8の下端に回動操作部を兼ねる接地金具9を設けて形成され、基礎構築部分の地面上に配置した円形ベース板10の中央孔11に接地金具9の下端円錐部9aを嵌めることにより、土台1を水平に支持するようになっている。   As shown in FIG. 4, the support member 3 disposed on the ground of the foundation construction part and supporting a plurality of locations of the base 1 includes a base 1 having a plurality of bolt holes 5 at the upper end of a vertically long cylindrical shaft 4. The base plate 6 is fixed, a nut 7 is fixed inside the lower end of the cylindrical shaft 4, and a grounding metal 9 that also serves as a rotating operation portion is provided at the lower end of the screw shaft 8 that is screwed to the nut 7. The base 1 is horizontally supported by fitting the lower end conical portion 9a of the ground metal fitting 9 into the central hole 11 of the circular base plate 10 disposed on the ground of the foundation construction portion.

この支持部材3は、上端の結合座板6を土台1の下面にボルト、ナット12を用いて固定し、下端の接地金具9を基礎構築部分の地面上に配置したベース板10の中央孔11に嵌めて起立させた土台1の支持状態で、接地金具9を介して螺軸8を回転させて筒軸4と螺軸8の上下長さを調整することにより、この支持部材3で支持した土台1の上面のレベルと水平出しを行うことができることになる。   The support member 3 has a joint hole 6 at the upper end fixed to the lower surface of the base 1 using bolts and nuts 12, and a ground hole 9 at the lower end disposed on the ground of the foundation construction portion. In the support state of the base 1 fitted and raised, the screw shaft 8 is rotated through the grounding metal fitting 9 to adjust the vertical length of the tube shaft 4 and the screw shaft 8, thereby supporting the support member 3. The level of the upper surface of the base 1 can be leveled.

次に、この発明の基礎構築工法を用いた基礎構築方法を説明する。   Next, the foundation construction method using the foundation construction method of this invention is demonstrated.

先ず、基礎構築部分の地面を、敷き固めたバラス上に捨てコンクリート13を打設して仕上げ、次に、前記捨てコンクリート13の上部に土台1を位置させ、図2のように、この土台1の下部複数箇所に固定した支持部材3の下端接地金具9を、捨てコンクリート13上に配置した円形ベース板10の中央孔11に嵌めることにより、捨てコンクリート13の上部に土台1を宙に浮かせた状態で配置する。   First, the ground of the foundation building part is finished by placing the concrete 13 on the ground ballast, and then placing the base 1 on the top of the waste concrete 13, as shown in FIG. The base 1 is floated above the discarded concrete 13 by fitting the lower end grounding metal fitting 9 of the supporting member 3 fixed at a plurality of lower portions in the center hole 11 of the circular base plate 10 disposed on the discarded concrete 13. Arrange in a state.

上記土台1を枠状に組み立てた後、各支持部材3の上下長さを螺軸8の回転操作によって調整し、土台1の上面のレベルと水平出しを行う。   After assembling the base 1 into a frame shape, the vertical length of each support member 3 is adjusted by rotating the screw shaft 8 to level the level of the upper surface of the base 1.

次に、上記土台1と捨てコンクリート13間の空間に基礎用鉄筋14を土台1の長さ方向に沿って配筋すると共に、土台1の下部で必要な箇所にアンカーボルト15を吊り下げ状に取付ける。   Next, the reinforcing bars 14 for the foundation are arranged in the space between the base 1 and the abandoned concrete 13 along the length direction of the base 1 and the anchor bolts 15 are suspended at necessary portions below the base 1. Install.

図3のように、上記基礎用鉄筋14は、図示省略したが、捨てコンクリート13上に配置したコンクリート製のブロック状支持部材等で下部を支持すると共に、アンカーボルト15は、土台1のフランジ部分を貫通させ、このアンカーボルト15に螺合したナット16を螺締することによって取付け、このように基礎用鉄筋14を配筋してアンカーボルト15を取付けた状態で、土台1の下部両側で捨てコンクリート13上に基礎用型枠17を対向状に配置し、この後両型枠17間にコンクリートを土台1の下面に達するレベルまで打設する。   As shown in FIG. 3, although the basic reinforcing bar 14 is not shown, the lower portion is supported by a concrete block-like support member or the like disposed on the discarded concrete 13, and the anchor bolt 15 is a flange portion of the base 1. Is attached by screwing the nut 16 screwed into the anchor bolt 15, and the base rebar 14 is arranged in this manner and the anchor bolt 15 is attached, and is discarded on both sides of the lower portion of the base 1. A foundation mold 17 is arranged on the concrete 13 so as to face each other, and then the concrete is placed between the two molds 17 to a level reaching the lower surface of the base 1.

上記コンクリートの凝固後に基礎用型枠17を解体すれば、内部に基礎用鉄筋14が埋設され、アンカーボルト15で土台1と一体化した立ち上がり状の基礎18が完成することになる。   If the foundation formwork 17 is disassembled after the concrete is solidified, the foundation rebar 14 is embedded inside, and the rising foundation 18 integrated with the base 1 with the anchor bolt 15 is completed.

上記のように、対向配置した型枠17間に打設するコンクリートは、その上面が土台1の下面に達するように打設すればよく、土台1の下面が定規になるので、コンクリート打設時における上面のレベル出しや水平精度に気を使う必要はなく、また、土台1の下部に予めアンカーボルト15を取付けておくことにより、コンクリートが凝固した時点で基礎18に対する土台1の固定化が得られ、建物を構築するための基礎構築工期の短縮が図れることになる。   As described above, the concrete to be placed between the oppositely disposed molds 17 may be placed so that the upper surface thereof reaches the lower surface of the base 1, and the lower surface of the base 1 becomes a ruler. It is not necessary to pay attention to the leveling of the upper surface and the horizontal accuracy in the case, and by fixing the anchor bolt 15 to the lower part of the base 1 in advance, the foundation 1 can be fixed to the foundation 18 when the concrete solidifies. Therefore, the foundation construction work period for building the building can be shortened.

(a)は土台の平面図、(b)は基礎構築状態の縦断面図(A) is a plan view of the base, (b) is a longitudinal sectional view of the foundation construction state 捨てコンクリート上に支持部材を介して土台を配置すると共に、両側に基礎用型枠を配置した状態の縦断正面図Longitudinal front view with foundations placed on abandoned concrete with support members and foundation molds on both sides 捨てコンクリート上に配置した土台に対する基礎用鉄筋とアンカーボルト及び基礎用型枠の関係を示す縦断正面図Longitudinal front view showing the relationship between foundation reinforcing bars, anchor bolts and foundation formwork for the foundation placed on abandoned concrete (a)は支持部材の斜視図、(b)はこの支持部材のナットと螺軸の螺合部分を示す縦断面図(A) is a perspective view of a support member, (b) is a longitudinal sectional view showing a screwed portion of a nut and a screw shaft of the support member.

符号の説明Explanation of symbols

1 土台
1a H型材
2 アングル材
3 支持部材
4 筒軸
5 ボルト孔
6 結合座板
7 ナット
8 螺軸
9 接地金具
10 円形ベース板
11 中央孔
12 ボルト、ナット
13 捨てコンクリート
14 基礎用鉄筋
15 アンカーボルト
16 ナット
17 基礎用型枠
18 基礎
DESCRIPTION OF SYMBOLS 1 Base 1a H-shaped material 2 Angle material 3 Support member 4 Cylinder shaft 5 Bolt hole 6 Joint seat 7 Nut 8 Screw shaft 9 Grounding metal fitting 10 Round base board 11 Center hole 12 Bolt and nut 13 Discard concrete 14 Foundation reinforcement 15 Anchor bolt 16 Nut 17 Foundation form 18 Foundation

Claims (1)

基礎構築部分の地面上に、上下長さの調整が可能な複数の支持部材を介して土台を支持することにより、この土台を地面から浮かせた状態で配置し、前記土台と地面間の空間に基礎用鉄筋を土台の長さ方向に沿って配筋すると共に、土台の下部にアンカーボルトを取付け、この状態で土台の下部両側の地面上に型枠を配置し、両型枠間にコンクリートを土台の下面に達するレベルまで打設し、土台と一体化した基礎を構築する建築物の基礎構築工法。   By supporting the base on the ground of the foundation construction part via a plurality of support members capable of adjusting the vertical length, the base is placed in a state of floating from the ground, and the space between the base and the ground is placed. Arrange the reinforcing bars for the foundation along the length of the foundation, attach anchor bolts to the bottom of the foundation, place the formwork on the ground on both sides of the bottom of the foundation, and put the concrete between the two forms. A foundation construction method for buildings that is built up to a level that reaches the bottom surface of the foundation and builds a foundation that is integrated with the foundation.
JP2005143689A 2005-05-17 2005-05-17 Foundation construction method of building Pending JP2006322154A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101022841B1 (en) 2010-12-27 2011-03-17 송유림 Wave pattern steel beam or cutting pattern steel beam having a temporary coffer dam
JP2016000887A (en) * 2014-06-11 2016-01-07 メークス株式会社 Foundation structure of architectural structure including steel-framed still and construction method thereof
JP5912194B1 (en) * 2015-02-20 2016-04-27 株式会社ポラス暮し科学研究所 Construction method of wooden building and basic member used in the construction method

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5655632A (en) * 1979-10-05 1981-05-16 Natl House Ind Co Ltd Foundation structure for building
JP2001303583A (en) * 2000-04-25 2001-10-31 Sanei Shoji Kk Foundation structure for building and its execution method
JP2004131942A (en) * 2002-10-08 2004-04-30 Tadatoshi Mannouji Construction method for foundation with bed and bed

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5655632A (en) * 1979-10-05 1981-05-16 Natl House Ind Co Ltd Foundation structure for building
JP2001303583A (en) * 2000-04-25 2001-10-31 Sanei Shoji Kk Foundation structure for building and its execution method
JP2004131942A (en) * 2002-10-08 2004-04-30 Tadatoshi Mannouji Construction method for foundation with bed and bed

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101022841B1 (en) 2010-12-27 2011-03-17 송유림 Wave pattern steel beam or cutting pattern steel beam having a temporary coffer dam
JP2016000887A (en) * 2014-06-11 2016-01-07 メークス株式会社 Foundation structure of architectural structure including steel-framed still and construction method thereof
JP5912194B1 (en) * 2015-02-20 2016-04-27 株式会社ポラス暮し科学研究所 Construction method of wooden building and basic member used in the construction method

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