JP3729415B2 - Construction foundation structure - Google Patents

Construction foundation structure Download PDF

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JP3729415B2
JP3729415B2 JP2003393693A JP2003393693A JP3729415B2 JP 3729415 B2 JP3729415 B2 JP 3729415B2 JP 2003393693 A JP2003393693 A JP 2003393693A JP 2003393693 A JP2003393693 A JP 2003393693A JP 3729415 B2 JP3729415 B2 JP 3729415B2
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block
construction
area
foundation
blocks
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JP2005009294A (en
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平 李
弘芳 飯塚
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株式会社マイコマセブン
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Priority claimed from KR1020040003273A external-priority patent/KR100654198B1/en
Priority claimed from TW93109046A external-priority patent/TWI278558B/en
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本発明は、扁平上面盤の下部に円錐形又は角錐形胴体を設け、該胴体の下部中心に円柱形
又は角柱形軸脚を設けた地盤安定化用コマ型ブロックを使用した建設物基礎構造に関する
ものである。
TECHNICAL FIELD The present invention relates to a foundation structure for a building using a ground stabilization top block provided with a cone-shaped or pyramid-shaped body at the lower part of a flat top board and a columnar or prismatic shaft leg provided at the center of the lower part of the body. Is.

コマ型ブロックは、ブロックそれ自体の重量及びブロックが受ける垂直荷重と、胴体並び
に軸脚に生ずる地盤反力及び摩擦抵抗の総合力とを均衡させて、不等沈下のない水平地耐
力を発揮させるものであり、各種の地盤安定化や基礎強化工法等において基本構成部材と
して使用されている。
The top block balances the weight of the block itself and the vertical load received by the block with the ground reaction force and the total force of the frictional resistance generated on the body and axle legs, and demonstrates horizontal ground strength without uneven settlement. It is used as a basic component in various ground stabilization and foundation strengthening methods.

従来のコマ型ブロックによる建設物基礎構造では、対象とする建設物の施工面積に全面に
あたる地盤を一定深さに掘り下げ、掘下げ底部にコマ型ブロックを全面にわたって互いに
密接して敷設し、下部連結部材と上部連結部材によってコマ型ブロック群を同一水平レベ
ルにて相互に結合し、各コマ型ブロック10間に砕石や砂利等の間詰充填材を密に突き固
め充填している(例えば特許文献1、特許文献2及び特許文献3参照)。
In the conventional building foundation structure using the top block, the ground covering the entire construction area of the target building is dug down to a certain depth, and the top block is laid in close contact with each other at the bottom of the dug, and the lower connecting member And the top connecting members are coupled to each other at the same horizontal level, and between the top blocks 10 are filled and packed with a filling material such as crushed stone or gravel (for example, Patent Document 1). Patent Document 2 and Patent Document 3).

しかしながら、建設物の接地面積が大きい場合には、非常に多数のコマ型ブロックを必要
とし、部材費が嵩むとともに施工時間及び労力が多大となり、全体としてコスト高になる
傾向にある。
特公昭59−50810号公報 特公平4−74484号公報 特許第2724446号公報
However, when the ground contact area of the building is large, a very large number of top blocks are required, which increases the cost of materials and increases the construction time and labor, which tends to increase the cost as a whole.
Japanese Patent Publication No.59-50810 Japanese Patent Publication No. 4-74484 Japanese Patent No. 2724446

したがって本発明の課題は、コマ型ブロックの使用個数を大幅に減らしても必要充分な支
持力が得られる建設物基礎構造を提供することである。
Therefore, an object of the present invention is to provide a building foundation structure that can obtain a necessary and sufficient supporting force even if the number of pieces used in the form block is greatly reduced.

請求項1の発明の建設物基礎構造の主たる特徴は、建設物の周辺輪郭に倣って多数のコマ
型ブロック10を単一層または複数層として、相互に接触または結合して施工地盤Gに対
し起立させて敷設し、各コマ型ブロック10間に砕石または砂利等の間詰充填材20を充
填して、全体として環状に連続した支持域S1を形成し、該支持域S1に囲まれていてコマ型ブロックが敷設されていないコマ型ブロック無敷設域Sを形成し、該コマ型ブロック無敷設域Sに埋め戻し土32を充填し、端にあるコマ型ブロック10が傾斜または倒れるのを阻止する垂直壁21を、支持域S1の内外両側に隣接させて、コマ型ブロック10の軸脚12の下端レベルの深さに至るまで砕石または砂利等の間詰充填材によって形成し、内側の垂直壁21のコマ型ブロック10と対峙する面とは反対側の面をコマ型ブロック無敷設域Sの埋め戻し土32に圧接させ、外側の垂直壁21のコマ型ブロック10と対峙する面とは反対側の面を周辺土壌G1に圧接させてある建設物基礎構造において、
前記支持域S1の内外面に沿って、土木用高強度プラスチック網部材または格子部材と合成樹脂繊維不織布マットよりなる仕切り部材22を設けてあり、該仕切り部材22は、土木用高強度プラスチック網部材または格子部材を前記支持域S1側に配置し、該土木用高強度プラスチック網部材または格子部材の反対面側に合成樹脂繊維不織布を重ねたものであることである。
The main feature of the foundation structure of the construction of the invention of claim 1 is that it stands up with respect to the construction ground G by contacting or connecting a large number of the top blocks 10 as a single layer or a plurality of layers following the peripheral contour of the construction. Then, a padding material 20 such as crushed stone or gravel is filled between the top blocks 10 to form a support area S1 that is continuous in an annular shape as a whole, and is surrounded by the support area S1. A top block non-laying area S in which no mold block is laid is formed, and the top block non-laying area S is filled with backfill 32 to prevent the top block 10 at the end from tilting or falling. the vertical wall 21, and adjacent to the inner and outer sides of the support zone S1, gyro down to the lower end of the level depth axis leg 12 of the block 10 is formed by between filling fillers such as crushed stone or gravel, inside the vertical wall 21 top type The surface opposite to the surface facing the rack 10 is brought into pressure contact with the backfilling soil 32 of the non-laying area S of the top block, and the surface opposite to the surface facing the top block 10 of the outer vertical wall 21 In the construction foundation structure that is pressed against the surrounding soil G1 ,
A partition member 22 made of a high strength plastic mesh member for civil engineering or a lattice member and a synthetic resin fiber nonwoven fabric mat is provided along the inner and outer surfaces of the support area S1, and the partition member 22 is a high strength plastic mesh member for civil engineering. Alternatively, a lattice member is disposed on the support area S1 side, and a synthetic resin fiber nonwoven fabric is laminated on the opposite side of the high strength plastic mesh member for civil engineering or the lattice member.

請求項2の発明の建設物基礎構造では、請求項1の発明の前記構成に加えて、前記支持域
S1おいてコマ型ブロック10の軸脚12と上面盤11の少なくとも一つのレベルに、土木用高強度プラスチック網部材または格子部材よりなる連結部材25が水平方向に敷かれており、コマ型ブロック10が該連結部材25によって相互連結されており、該連結部材25が砕石または砂利等の間詰充填材20によって挟圧支持されている。
In the construction foundation structure of the invention of claim 2, in addition to the structure of the invention of claim 1, in the support area S1, at least one level of the shaft leg 12 of the top block 10 and the upper surface board 11 in the civil engineering A connecting member 25 made of a high-strength plastic mesh member or a lattice member is laid in the horizontal direction, and the top block 10 is interconnected by the connecting member 25 , and the connecting member 25 is between crushed stone or gravel. It is supported by the filling material 20 under pressure.

請求項3の発明の建設物基礎構造では、請求項1又は請求項2の発明の前記構成に加えて
、前記支持域S1及び前記コマ型ブロック無敷設域Sの底面レベル全域にわたって、セメントミルク等の凝固材を地盤底部G0の土壌に混入含浸させてなる水シール層31が形成
してある。
In the construction foundation structure of the invention of claim 3, in addition to the configuration of the invention of claim 1 or claim 2, cement milk or the like over the entire bottom surface level of the support area S1 and the block-type block non-laying area S A water seal layer 31 is formed by mixing and impregnating the solidified material with soil in the ground bottom G0.

請求項4の発明の建設物基礎構造では、請求項1から請求項3のいずれかの発明の前記構
成に加えて、前記コマ型ブロック10の軸脚12に浮き輪体14が単一層または複数層に
嵌合されており、浮き輪体14を砕石または砂利等の間詰充填材20で包み込んでいる。
According to the construction foundation structure of the invention of claim 4, in addition to the structure of any of the inventions of claims 1 to 3, a floating ring body 14 is formed in a single layer or a plurality of layers on the shaft leg 12 of the top block 10. The floating ring body 14 is encased in a padding filler 20 such as crushed stone or gravel .

請求項5の発明の建設物基礎構造では、請求項1から請求項4のいずれかの発明の前記構
成に加えて、コマ型ブロック10が少なくとも3列に敷設されている。
In the construction foundation structure of the invention of claim 5, in addition to the structure of any one of the inventions of claims 1 to 4, the top blocks 10 are laid in at least three rows.

請求項6の発明の建設物基礎構造では、請求項1から請求項5のいずれかの発明の前記構
成に加えて、前記コマ型ブロック10は、3個ないし6個のコマ型ブロック10を水平方向に連結してなる多連型ブロック10aである。
In the construction foundation structure of the invention of claim 6, in addition to the structure of any one of the inventions of claims 1 to 5, the top block 10 has three to six top blocks 10 horizontally. This is a multiple block 10a connected in the direction.

本発明の建設物基礎構造の施工に当っては、建設物の接地面積の全部に相当する施工地盤
Gが、コマ型ブロック10が単一層に敷設される場合にはその軸脚12の下端レベルまで
、コマ型ブロック10が複数層に敷設される場合には最下層のコマ型ブロックの軸脚の下
端レベルまで、底部が水平となるように掘り下げられ、当該部分の既存土壌が全部排除さ
れる。
この掘り下げた地盤底部G0に対して、地下水の滲出状況等を勘案して必要に応じてセメントミルクや石灰などの凝固材を散布・含浸させ、その凝結または凝固によって水シー
ル層31を形成する。
In the construction of the foundation structure of the present invention, the construction ground G corresponding to the entire ground contact area of the construction is the lower end level of the shaft leg 12 when the top block 10 is laid in a single layer. When the top block 10 is laid in a plurality of layers, the bottom is leveled down to the lower end level of the bottom leg of the top block, and the existing soil in the portion is completely removed. .
The ground bottom G0 that has been dug down is sprinkled and impregnated with a solidified material such as cement milk or lime as necessary in consideration of the state of groundwater seepage, and the water seal layer 31 is formed by the condensation or solidification.

前記地盤底部G0の上に直接または前記水シール層31の上に、支持域S1においては砕石または砂利等の間詰充填材20がコマ型ブロック10の軸脚部12の長さに対応した厚さに敷き詰められる一方、コマ型ブロック無敷設域Sにおいては改良土、山砂または先に掘削した既存土壌に所要の土質改質材を混合した埋め戻し土32が同じ厚さに敷き込まれる。 A thickness corresponding to the length of the shaft leg portion 12 of the top block 10 is formed on the ground bottom G0 directly or on the water seal layer 31 and in the support zone S1, the filling material 20 such as crushed stone or gravel is provided. On the other hand, in the top block non-laying area S, the backfill soil 32 in which the required soil modifying material is mixed with the improved soil, the mountain sand, or the existing soil excavated previously is laid with the same thickness.

初期充填した砕石または砂利等の間詰充填材20の層の全面にわたって、前記連結部材25が水平方向に敷かれる。
そして、支持域S1においては、必要個数のコマ型ブロック10の軸脚12が前記連結部材25の格子目または網目開口に挿通して前記間詰充填材20の層に押し込まれる。コマ型ブロック10の敷設は、望ましく3列以上の複数列になされ、建設物の周辺輪郭に沿って環状に連続されたブロック列群を形成する。
The connecting member 25 is laid in the horizontal direction over the entire surface of the layer of filler 20 such as crushed stone or gravel initially filled.
In the support area S1, the required number of shaft legs 12 of the top block 10 are inserted into the lattice or mesh openings of the connecting member 25 and are pushed into the layer of the filling material 20 . The laying of the block-type blocks 10 is preferably made into a plurality of rows of three or more rows to form a group of block rows that are annularly continued along the peripheral contour of the construction.

このようにして敷設したコマ型ブロック列群の各上盤部11が同一水平レベルに来るように必要に応じて位置調整した後、支持域S1においては、各コマ型ブロック10の間に砕石または砂利等の間詰充填材20がコマ型ブロック10の上面盤11のレベルに至るまで充填され、コマ型ブロック無敷設域Sにおいては、埋め戻し土32が同レベルまで充填される。
コマ型ブロック10を多層施工する場合には、下層の施工後に支持域S1とコマ型ブロック無敷設域Sの全面にわたって砕石または砂利等の間詰充填材20と埋め戻し土32がそれぞれ充填され、前記工程を必要層まで繰り返し実行する。
After the position adjustment is performed as necessary so that the upper board portions 11 of the block type block row group laid in this way are at the same horizontal level, in the support area S1, crushed stones or Filling material 20 such as gravel is filled up to the level of the upper surface board 11 of the top block 10, and in the top block non-laying area S, the backfill 32 is filled to the same level.
When multi-layer construction of the top block 10 is performed, the filling material 20 and backfill soil 32 such as crushed stone or gravel are filled over the entire surface of the support area S1 and the non-laying area S of the top block after construction of the lower layer, The above process is repeated until the required layer.

単一層または複数層に敷設されたコマ型ブロック10の頂面13には、必要に応じてセメントコンクリート層が形成され、建築物のフーチング施工がなされる。 A cement concrete layer is formed on the top surface 13 of the top block 10 laid in a single layer or a plurality of layers as necessary, and a building footing is performed.

前記のように支持域S1においてコマ型ブロック10列群と砕石または砂利等の間詰充填材20の結合体は環状に連続しており、建設物の上載荷重は一体的に形成された盤構造の前記結合体に入力されるるとともに、垂直壁21が支持域S1の内外両側に隣接させてコマ型ブロック10の軸脚12の下端レベルの深さに至るまで形成されており、内外の垂直壁21がそれぞれコマ型ブロック無敷設域Sの埋め戻し土32と周辺土壌壁G1に圧接しているから、端にあるコマ型ブロック10が傾斜または倒れることがなく、各コマ型ブロック10が正規の垂直姿勢に的確に保持されるため、各コマ型ブロック10は初期荷重を加えて安定させた以降は不等沈下することがなく、施工地盤Gが軟弱地盤であっても大きな支持力を的確に保持することができる。
支持域S1で囲まれたコマ型ブロック無敷設域Sの面積相当分のコマ型ブロック10の
使用量を、基礎地盤としての支持力に悪影響を及ぼさない範囲において削減することがで
きるため、資材費の節減、現場への運搬経費、現場での作業費の節減、工期の短縮によっ
て全体の施工コストが各段に軽減される。
As described above, in the support area S1 , the combined body of the 10 blocks of the block-shaped blocks and the interstitial filler 20 such as crushed stone or gravel is continuously annular, and the load on the construction is integrally formed. with Ruru inputted to the conjugate is formed to the vertical wall 21 reaches the bottom level of the depth of the axis leg 12 of the gyro block 10 adjacent to the inner and outer sides of the support zone S1, and out of the vertical wall 21 is in pressure contact with the backfill soil 32 and the surrounding soil wall G1 of the no-block-type laying area S, so that the top-shaped block 10 at the end does not tilt or fall down, and each top-shaped block 10 is regular. Since each frame block 10 is maintained in a vertical posture accurately, it does not sink unevenly after it is stabilized by applying an initial load, and a large supporting force can be accurately obtained even when the construction ground G is soft ground. To hold Can.
The amount of use of the top block 10 corresponding to the area of the non-laying area S of the top block surrounded by the support area S1 can be reduced within a range that does not adversely affect the support capacity as the foundation ground. The overall construction cost can be reduced by reducing the cost, transportation cost to the site, work cost on site, and shortening the construction period.

支持域S1においてコマ型ブロック10列群と砕石または砂利等の間詰充填材20との前記結合体は環状に連続しており、建設物本体の上載荷重は一体的に形成された盤構造の前記結合体に入力されることになり、多数のコマ型ブロック10の上面盤11に分散して伝達された重力は、各コマ型ブロック10の胴体15の傾斜面に当接する砕石または砂利等の間詰充填材20の層を側方及び斜め下方に更に圧密し、充分に大きい支持力を発揮させる。
また、前記垂直壁21が支持域S1の内外両側に隣接させてコマ型ブロック10の軸脚12の下端レベルの深さに至るまで形成されており、内外の垂直壁21がそれぞれコマ型ブロック無敷設域Sの埋め戻し土32と周辺土壌壁G1に圧接しているから、端にあるコマ型ブロック10が傾斜または倒れることがなく、各コマ型ブロック10は正規の垂直姿勢に保持される。そのため、各コマ型ブロック10は初期荷重を加えて安定させた後、垂直方向に沈むことがなく、施工地盤Gが軟弱地盤であっても大きな支持力を長期間保持する。
In the support area S1 , the combined body of the row of 10 block blocks and the filling material 20 such as crushed stone or gravel is continuous in an annular shape, and the load on the construction body is integrally formed. Gravity that is input to the combined body and distributed and transmitted to the upper surface board 11 of a number of the block-type blocks 10 is such as crushed stone or gravel that comes into contact with the inclined surface of the body 15 of each of the block-type blocks 10 . The layer of the filling material 20 is further compacted laterally and obliquely downward to exert a sufficiently large supporting force.
Further, the vertical wall 21 is formed adjacent to both the inner and outer sides of the support area S1 up to the depth of the lower end level of the shaft leg 12 of the top block 10, and each of the inner and outer vertical walls 21 has no top block. Since the backfill soil 32 in the laying area S and the surrounding soil wall G1 are pressed against each other, the top block 10 at the end is not inclined or falls down, and each top block 10 is held in a normal vertical posture. Therefore, each top block 10 is stabilized by applying an initial load, and then does not sink in the vertical direction, and maintains a large supporting force for a long time even if the construction ground G is soft ground.

とりわけ、請求項1の発明の建設基礎構造では、前記支持域S1の内外面に沿って、土木用高強度プラスチック網部材または格子部材と合成樹脂繊維不織布マットよりなる仕切り部材22を設けてあり、この仕切り部材22は、支持域S1側に土木用高強度プラスチック網部材または格子部材を配置し、該土木用高強度プラスチック網部材または格子部材の反対面側に合成樹脂繊維不織布を重ねてあるものであるため、前記土木用高強度プラスチック網部材または格子部材が砕石または砂利等の間詰充填材20の流動を阻止する一方、前記合成樹脂繊維不織布が支持域S1外からの土壌や土砂の侵入を阻止することによって、前記支持域S1の砕石または砂利等の間詰充填材20が、周辺土壌G1及び埋め戻し土32から遮断されることになり、コマ型ブロック10列群と砕石または砂利等の間詰充填材20との結合体は、一体的な盤構造としてより強固に形態保持され、支持力が有効に発揮される。In particular, in the construction foundation structure of the invention of claim 1, a partition member 22 made of a high strength plastic net member for civil engineering or a lattice member and a synthetic resin fiber nonwoven fabric mat is provided along the inner and outer surfaces of the support area S1. This partition member 22 has a high-strength plastic mesh member or lattice member for civil engineering arranged on the support area S1 side, and a synthetic resin fiber nonwoven fabric is laminated on the opposite side of the high-strength plastic mesh member or lattice member for civil engineering. Therefore, the high-strength plastic mesh member or lattice member for civil engineering prevents the flow of the filler 20 such as crushed stone or gravel, while the synthetic resin fiber nonwoven fabric penetrates soil and earth from outside the support area S1. By preventing this, the filler 20 between the crushed stones and gravel in the support area S1 is blocked from the surrounding soil G1 and the backfilling soil 32. , Conjugates of between filling the filler 20, such as a gyro block 10 column group and crushed stone or gravel is firmly shape retention as an integral panel structure, supporting force is effectively exhibited.

請求項2の発明の基礎構造では、環状に連続しており支持域S1の全面に張り渡された前記連結部材25によってコマ型ブロック10列群が相互に牽引されているため、各コマ型ブロック10は正規の垂直姿勢に更に強固に保持され、軟弱地盤においても大きな支持力が確実に得られる。 In the basic structure of the second aspect of the invention, the top block 10 row group is mutually pulled by the connecting member 25 that is continuous in an annular shape and is stretched over the entire surface of the support area S1, so that each top block No. 10 is more firmly held in a normal vertical posture, and a large supporting force can be reliably obtained even on soft ground.

請求項3の発明の基礎構造では、全施工区域の地盤底部G0には、凝固材の混入含浸によって凝固させた水シール層23を形成してあるから、地下水位の高い施工地盤Gであっても、支持域S1及びコマ型ブロック無敷設域Sに水がみだりに侵入せず、基礎構造物の支持強度がいたずらに低下することがない。 In the basic structure of the invention of claim 3, since the water seal layer 23 solidified by mixing and impregnation of the solidified material is formed on the ground bottom G0 of the entire construction area, the construction ground G has a high groundwater level. However, water does not penetrate into the support area S1 and the block-type block non-laying area S, and the support strength of the foundation structure does not deteriorate unnecessarily.

請求項4の発明の基礎構造では、コマ型ブロック10の軸脚12に浮き輪体14を嵌合してあり、各浮き輪体14を砕石または砂利等の間詰充填材20で包み込んでいるため、コマ型ブロック10の姿勢保持がより的確になされる。 And the basic structure of the invention of claim 4, Yes and fitted buoy body 14 to axis leg 12 of the gyro block 10, wraps each floating Watai 14 between filling the filler 20, such as crushed stone or gravel For this reason, the posture of the top block 10 is more accurately maintained.

建設構造物には、請求項5の発明の基礎構造のようにコマ型ブロック10を3列以上に敷設して支持力を高める。 In the construction structure, the top blocks 10 are laid in three or more rows as in the basic structure of the invention of claim 5 to increase the supporting force.

請求項6の発明の基礎構造では、コマ型ブロックが水平方向に3個ないし6個連結された多連型ブロック10aであるため、ブロック自体の安定性が良く、垂直姿勢を保持して本来の難沈下性が最大限に発揮される。 In the basic structure of the invention of claim 6, since the block type block is a multi-block block 10a in which 3 to 6 frame blocks are connected in the horizontal direction, the stability of the block itself is good, the vertical posture is maintained and the original structure is maintained. The difficulty of subsidence is exhibited to the maximum.

一般的にコマ型ブロックはセメントコンクリートで作製されるが、レジンコンクリート等
の他の材料で作製することもできる。ブロック内部には必要に応じて鉄筋等の補強部材を
配設することができる。
Generally, the top block is made of cement concrete, but can be made of other materials such as resin concrete. A reinforcing member such as a reinforcing bar can be disposed inside the block as necessary.

[実施の形態1] 図1及び図2に示すものであり、請求項1、請求項2、請求項3及び請
求項5に記載の各発明を含むものである。図中の参照符号が既に説明したものと同一であ
る構成要素ないし構成部品は、前記と同一の作用及び効果を奏する。
この実施形態では、説明の都合上施工全域を正方形とし、各コマ型ブロック10は三列に敷設され、平面視において各軸脚部12の位置は格子状に配列されており、コマ型ブロック10は単一層に敷設されている。コマ型ブロック敷設域S2の上面には現場打ちコン
クリート層16が形成してある。
[Embodiment 1] As shown in FIGS. 1 and 2, it includes each invention described in claims 1, 2, 3, and 5. Components or components having the same reference numerals as those already described have the same operations and effects as described above.
In this embodiment, for convenience of explanation, the entire construction area is a square, the top blocks 10 are laid in three rows, and the positions of the shaft leg portions 12 are arranged in a lattice shape in plan view. Are laid in a single layer. A cast-in-place concrete layer 16 is formed on the upper surface of the block type block laying area S2.

各コマ型ブロック10の軸脚12の上端レベルには土木用高強度プラスチック網部材または格子部材(ジオグリッド)よりなる連結部材25が敷き込んであり、各コマ型ブロッ
ク10の軸脚12は該連結部材25の網目状または格子状開口を貫通している。
該連結部材25は、各コマ型ブロックの軸脚12との挿入係合と、砕石または砂利等の間詰充填材20による挟圧支持によって、水平方向に位置ずれを起こすことがなく、支持域S1の当初形態を維持し、支持力の減退を起こさない。
The upper level of the axis leg 12 of each frame type block 10 has a crowded floors is coupling member 25 made of civil engineering high strength plastic net member or grid member (geogrid) axis leg 12 of each frame type block 10 the It penetrates the mesh-like or lattice-like opening of the connecting member 25 .
The connecting member 25 includes an insertion engagement with the axis leg 12 of each frame type block, depending on clamping support by between filling the filler 20, such as crushed stone or gravel, without causing a positional deviation in the horizontal direction, the support The initial form of the region S1 is maintained, and the supporting force is not reduced.

この支持域S1の幅としては、コマ型ブロック敷設域S2の両側にコマ型ブロックの上面
盤11の直径相当分あるいは直径の二倍相当分位の広さを置くことが好ましいが、この数
値自体に特に限定されない。
前記連結部材25の配置レベルとしては、施工の容易性を考えれば、コマ型ブロック10の頂面13のレベルに敷設するのが適当であり、また、コマ型ブロック10と連結部材25の結合一体化を促進するためには、上面盤11より突出した逆U字状鉄筋17に連結部材25を連結するのが望ましい。
As for the width of the support area S1, it is preferable to place an area corresponding to the diameter of the top panel 11 of the top block 11 or the equivalent of twice the diameter on both sides of the top block laying area S2. It is not specifically limited to.
The arrangement level of the connecting member 25, considering the ease of construction, it is appropriate to lay on the level of the top surface 13 of the gyro block 10, also coupled integral connecting member 25 and the gyro block 10 In order to promote the formation, it is desirable to connect the connecting member 25 to the inverted U-shaped reinforcing bar 17 protruding from the upper surface board 11.

[実施の形態2] 図3に示すものであり、実施の形態1と異なり、全体としての敷設形態
はL字形となっており、その内側に角形状のコマ型ブロック無敷設域Sが3個形成されて
いる。その他は、実施の形態1と何ら変わるところがない。
[Embodiment 2] As shown in FIG. 3, unlike Embodiment 1, the overall laying form is L-shaped, and there are three square-shaped block-shaped block non-laying areas S inside thereof. Is formed. Other than that, there is no difference from the first embodiment.

[実施の形態3] 図4に示し、請求項1、請求項2、請求項3及び請求項5に記載の発明
を含むものである。実施の形態1と同一符号のところは同一の構成部分を示し、同一の作
用効果を奏する。実施の形態1と異なるところは、支持域S1の内外面に沿って、土木用高強度プラスチック網部材または格子部材(ジオグリッド)と合成樹脂繊維不織布マットよりなる仕切り部材22を設けてあることである。
この仕切り部材22によって支持域S1の間詰充填材20が周辺土壌G1及び埋め戻し土32からを遮断され、コマ型ブロック10列群と砕石または砂利等の間詰充填材20との結合体は、一体的な盤構造としてより強固に形態保持され、支持力が有効に発揮される。
[Third Embodiment] As shown in FIG. 4, the present invention includes claims 1, 2, 3, and 5. The same reference numerals as those in the first embodiment indicate the same components, and the same effects are obtained. The difference from Embodiment 1 is that a partition member 22 made of a high-strength plastic mesh member for civil engineering or a lattice member (geogrid) and a synthetic resin fiber nonwoven fabric mat is provided along the inner and outer surfaces of the support area S1. is there.
The partition member 22 blocks the filling material 20 in the support area S1 from the surrounding soil G1 and the backfilling soil 32, and a combined body of the block-type block 10 row group and the filling material 20 such as crushed stone or gravel is as follows. As an integrated board structure, the shape is more firmly maintained and the supporting force is effectively exhibited.

前記仕切り部材22は、支持域S1側に土木用高強度プラスチック網部材または格子部材を配置し、この外側に目の細かい合成樹脂繊維不織布を重ねてあるため、前記土木用高強度プラスチック網部材または格子部材が砕石または砂利等の間詰充填材20の流動を阻止する一方、前記合成樹脂繊維不織布が支持域S1外からの土壌や土砂の侵入を阻止している。
実施の形態3においては、支持域S1及びコマ型ブロック無敷設域Sの全域の底部全面に
石灰などの凝結材を撒布して水シール層23を形成してある。
Since the partition member 22 has a high-strength plastic mesh member or a lattice member for civil engineering arranged on the support area S1 side and fine synthetic resin nonwoven fabrics are overlapped on the outside, the high-strength plastic mesh member for civil engineering or While the lattice member prevents the flow of the filler 20 between the crushed stone or gravel , the synthetic resin fiber nonwoven fabric prevents the entry of soil and earth from outside the support area S1.
In the third embodiment, a water seal layer 23 is formed by spreading a condensing material such as lime on the entire bottom surface of the entire support area S1 and the non-laying area S of the block type block.

実施の形態3においては、実施の形態1の作用及び効果に加え、コマ型ブロック10と砕石または砂利等の間詰充填材20との結合体は、水平方向への移動を前記仕切り部材22と前記連結部材25の協働作用により的確に阻止されるものであり、施工地盤Gが軟弱地盤であっても、基礎底部G0が水シール層23で防護されているから、支持域S1及びコマ型ブロック無敷設域Sに水が侵入せず、また周辺土壌及び埋め戻し土32が支持域S1に侵入せず、支持域S1の周りに間隙が生じるおそれなく、更に強固な地盤となる。 In the third embodiment, in addition to the operation and effect of the first embodiment, the combined body of the block-shaped block 10 and the filling material 20 such as crushed stone or gravel is moved in the horizontal direction with the partition member 22. Even if the construction ground G is a soft ground, the foundation bottom G0 is protected by the water seal layer 23 even if the construction ground G is a soft ground. Water does not enter the block non-laying area S, the surrounding soil and the backfilling soil 32 do not enter the support area S1, and there is no possibility of a gap around the support area S1, and the ground becomes stronger.

[実施の形態4] 図5に示し、請求項1、請求項2、請求項3及び請求項5に記載の発明
を含むものである。実施の形態1と同一符号のところは同一の構成部分を示し、同一の作
用効果を奏する。実施の形態1と異なるところは、支持域S1の内外面に沿って前記仕切り部材22を設けてあることである。
[Embodiment 4] As shown in FIG. 5, the invention of claim 1, claim 2, claim 3 and claim 5 is included. The same reference numerals as those in the first embodiment indicate the same components, and the same effects are obtained. The difference from the first embodiment is that the partition member 22 is provided along the inner and outer surfaces of the support area S1.

[実施の形態5] 図6に示し、請求項1から請求項6に記載の発明を含むものである。実
施の形態1と同一符号のところは同一の構成部分を示し、同一の作用効果を奏する。実施
の形態1と異なるところは、コマ型ブロック10の軸脚12に1個または2個の浮き輪体
14を嵌めてあることである。この浮き輪体14は独立気泡型の発泡プラスチックで構成
されている。
[Embodiment 5] As shown in FIG. 6, the invention described in claims 1 to 6 is included. The same reference numerals as those in the first embodiment indicate the same components, and the same effects are obtained. The difference from the first embodiment is that one or two floating rings 14 are fitted to the shaft legs 12 of the top block 10. The floating ring body 14 is made of closed-cell foamed plastic.

各実施の形態において、コマ型ブロック10の形態は図7に示す単体型に限定されず、図
8及び図9に示したように水平方向に複数個を一体的に連続成形した多連型ブロック10
aであっても良い。コマ型ブロック10の形状としては円錐体形状に限定されず、図10
に示すように多角錐体形状であっても良い。
また、コマ型ブロック10を複数層に形成する場合には、図11に示したように2個ないし3個の胴体15の受孔に共通軸脚12aを嵌挿して積層連結させても良いし、あるいは上層の軸脚を下層の胴体の受孔に嵌合させて積層連結させても良い。
複数層にコマ型ブロック10を積み上げる形式については、上下層の軸脚12を同一垂直線上に配置する形態に限定されず、図12に示したように半ピッチずつづらして積層する形態であっても良い。
In each embodiment, the form of the top block 10 is not limited to the single unit shown in FIG. 7, but a multiple block in which a plurality of blocks are integrally formed in the horizontal direction as shown in FIGS. 10
It may be a. The shape of the top block 10 is not limited to the conical shape.
As shown in FIG.
When the top block 10 is formed in a plurality of layers, as shown in FIG. 11, the common shaft legs 12a may be inserted into the receiving holes of the two or three bodies 15 to be stacked and connected. Alternatively, the upper-layer shaft leg may be fitted into the receiving hole of the lower-layer body to be laminated and connected.
The form in which the top blocks 10 are stacked in a plurality of layers is not limited to the form in which the upper and lower shaft legs 12 are arranged on the same vertical line, but is a form in which they are stacked at half-pitch intervals as shown in FIG. Also good.

[実験例] コマ型ブロック10を単一層に敷設し、建設物の床面積120mに全面敷設
した場合と、建設物の外周輪郭に倣って外周部のみに同幅に敷設した場合(実施の形態1)とを比較実験した。このときの極限実測値は表1に示す通りである。
本発明の外周敷設基礎では、コマ型ブロックの敷設個数は半分以下と少ないにも拘らず、支持力においては全面敷設基礎の先行技術と有意な差がなかった。
EXPERIMENTAL Example gyro block 10 laid in a single layer, and when fully installed in the floor area 120 m 2 Structures, when laid only in the width outer peripheral portion following the outer peripheral profile of Structures (Embodiment A comparative experiment was conducted with respect to Form 1). The ultimate measured values at this time are as shown in Table 1.
In the outer periphery laying foundation of the present invention, although the number of pieces of the frame-type block laid was as small as half or less, the supporting force was not significantly different from the prior art of the entire laying foundation.

本発明の実施の形態1に係る建設物基礎構造を示す平面図である。It is a top view which shows the construction foundation structure which concerns on Embodiment 1 of this invention. 実施の形態1に係る建設物基礎構造の縦断面図である。1 is a longitudinal sectional view of a building foundation structure according to Embodiment 1. FIG. 本発明の実施の形態2に係る建設物基礎構造の概略的な平面図である。It is a schematic plan view of the building foundation according to Embodiment 2 of the present invention. 本発明の実施の形態3に係る建設物基礎構造の一部縦断面図である。It is a partial longitudinal cross-sectional view of the construction foundation structure concerning Embodiment 3 of this invention. 本発明の実施の形態4に係る建設物基礎構造の中央部分を省略した縦断正面図である。It is the vertical front view which abbreviate | omitted the center part of the construction foundation structure concerning Embodiment 4 of this invention. 本発明の実施の形態5に係る建設物基礎構造の中央部分を省略した縦断正面図である。It is the vertical front view which abbreviate | omitted the center part of the construction foundation structure concerning Embodiment 5 of this invention. 本発明の建設物基礎構造に使用されるコマ型ブロックの斜視図であり、円錐体形状の単一型ブロックとなっている。It is a perspective view of the top block used for the building foundation of the present invention, and is a single block with a conical shape. 本発明の建設物基礎構造に使用される別のコマ型ブロックの斜視図であり、4連型ブロックとなっている。It is a perspective view of another top type block used for the building foundation of the present invention, and is a 4 type block. 本発明の建設物基礎構造に使用される更に別のコマ型ブロックの斜視図であり、6連型ブロックとなっている。It is a perspective view of another top type block used for the building foundation of the present invention, and is a 6-unit type block. 本発明の建設物基礎構造に使用される他のコマ型ブロックの斜視図であり、角錐体形状の単一型ブロックとなっている。It is a perspective view of the other top type block used for the building foundation of the present invention, and is a single type block of a pyramid shape. 本発明の建設物基礎構造に使用される共通軸脚で連結された3個の円錐体形状のコマ型ブロックの斜視図である。It is a perspective view of the three cone-shaped frame-shaped block connected with the common shaft leg used for the building foundation of the present invention. 本発明の建設物基礎構造においてコマ型ブロックを複数層に敷設するときの一例を示す一部正面図である。It is a partial front view which shows an example when laying a block-shaped block in multiple layers in the foundation foundation structure of this invention. 本発明の建設物基礎構造において前記連結部材として使用される土木用高強度プラスチック網部材または格子部材の一例を示す一部平面図である。 It is a partial top view which shows an example of the high strength plastic net | network member or lattice member for civil engineering used as the said connection member in the construction foundation structure of this invention.

符号の説明Explanation of symbols

10 コマ型ブロック
11 上面盤
12 軸脚
13 頂面
14 浮き輪体
15 胴体
17 U字鉄筋
20 間詰充填材
21 垂直壁21
22 仕切り部材
25 連結部材
31 水シール層
32 埋め戻し土
S1 支持域
S2 コマ型ブロック敷設域
S コマ型ブロック無敷設
G 施工地盤
G0 地盤底部
DESCRIPTION OF SYMBOLS 10 Top block 11 Top panel 12 Axle leg 13 Top surface 14 Floating ring body 15 Body 17 U-shaped reinforcing bar 20 Filling material 21 Vertical wall 21
22 Partition member 25 Connecting member 31 Water seal layer 32 Backfill soil S1 Support area S2 Top type block laying area S No top type block laying G Construction ground G0 Ground bottom

Claims (6)

建設物の周辺輪郭に倣って多数のコマ型ブロック10を単一層または複数層として、相互に接触または結合して施工地盤Gに対し起立させて敷設し、各コマ型ブロック10間に砕石または砂利等の間詰充填材20を充填して、全体として環状に連続した支持域S1を形成し、該支持域S1に囲まれていてコマ型ブロックが敷設されていないコマ型ブロック無敷設域Sを形成し、該コマ型ブロック無敷設域Sに埋め戻し土32を充填し、端にあるコマ型ブロック10が傾斜または倒れるのを阻止する垂直壁21を、支持域S1の内外両側に隣接させて、コマ型ブロック10の軸脚12の下端レベルの深さに至るまで砕石または砂利等の間詰充填材20によって形成し、内側の垂直壁21のコマ型ブロック10と対峙する面とは反対側の面をコマ型ブロック無敷設域Sの埋め戻し土32に圧接させ、外側の垂直壁21のコマ型ブロック10と対峙する面とは反対側の面を周辺土壌G1に圧接させてある建設物基礎構造において、
前記支持域S1の内外面に沿って、土木用高強度プラスチック網部材または格子部材と合成樹脂繊維不織布マットよりなる仕切り部材22を設けてあり、該仕切り部材22は、土木用高強度プラスチック網部材または格子部材を前記支持域S1側に配置し、該土木用高強度プラスチック網部材または格子部材の反対面側に合成樹脂繊維不織布を重ねたものであることを特徴とする建設物基礎構造。
A large number of top blocks 10 are formed as a single layer or a plurality of layers according to the peripheral contour of the construction, and are erected on the construction ground G in contact with each other or laid, and crushed stone or gravel between the top blocks 10 A support area S1 that is continuous in an annular shape is formed as a whole by filling the padding filler 20 and the like , and a non-topping block area S that is surrounded by the supporting area S1 and in which no top block is laid is formed. The vertical walls 21 that are formed and filled with the backfill soil 32 in the non-laying area S of the block-shaped block and prevent the block-shaped block 10 at the end from tilting or falling are adjacent to both the inside and outside of the support area S1. In addition, it is formed by a filling material 20 such as crushed stone or gravel up to the depth of the lower end level of the shaft leg 12 of the top block 10, and is opposite to the surface facing the top block 10 of the inner vertical wall 21. The face of the top In the building foundation structure in which the surface opposite to the surface facing the top block 10 of the outer vertical wall 21 is in pressure contact with the surrounding soil G1 in pressure contact with the backfill soil 32 in the block non-laying area S ,
A partition member 22 made of a high strength plastic mesh member for civil engineering or a lattice member and a synthetic resin fiber nonwoven fabric mat is provided along the inner and outer surfaces of the support area S1, and the partition member 22 is a high strength plastic mesh member for civil engineering. Alternatively, a structural foundation structure in which a lattice member is arranged on the support area S1 side and a high-strength plastic net member for civil engineering or a synthetic resin fiber nonwoven fabric is laminated on the opposite side of the lattice member .
前記支持域S1おいてコマ型ブロック10の軸脚12と上面盤11の少なくとも一つのレ
ベルに、土木用高強度プラスチック網部材または格子部材よりなる連結部材25が水平方向に敷かれており、コマ型ブロック10が該連結部材25によって相互連結されており、該連結部材25が砕石または砂利等の間詰充填材20によって挟圧支持されていることを特徴とする請求項1に記載の建設物基礎構造。
At least one level of axis leg 12 and the upper surface plate 11 of the support zone S1 Oite gyro block 10, coupling member 25 made of civil engineering high strength plastic net member or grid member is laid horizontally, the frame 2. The construction according to claim 1, wherein the mold blocks are interconnected by the connecting member , and the connecting member is sandwiched and supported by a filling material such as crushed stone or gravel . Foundation structure.
前記支持域S1及び前記コマ型ブロック無敷設域Sの底面レベル全域にわたって、セメントミルク等の凝固材を地盤底部G0の土壌に混入含浸させてなる水シール層31が形成し
てあることを特徴とする請求項1又は請求項2に記載の建設物基礎構造。
A water seal layer 31 formed by mixing and impregnating a solidified material such as cement milk into the soil of the ground bottom G0 is formed over the entire bottom surface level of the support area S1 and the no-top block area S. The construction foundation structure according to claim 1 or 2.
前記コマ型ブロック10の軸脚12に浮き輪体14が単一層または複数層に嵌合されてお
り、浮き輪体14を砕石または砂利等の間詰充填材20で包み込んでいることを特徴とする請求項1または請求項3のいずれかに記載の建設物基礎構造。
A floating ring body 14 is fitted to the shaft leg 12 of the top block 10 in a single layer or a plurality of layers, and the floating ring body 14 is wrapped with a filling material 20 such as crushed stone or gravel. The construction foundation structure according to any one of claims 1 and 3.
コマ型ブロック10が少なくとも3列に敷設されていることを特徴とする請求項1から
請求項4のいずれかに記載の建設物基礎構造。
The building foundation structure according to any one of claims 1 to 4, wherein the top blocks 10 are laid in at least three rows.
前記コマ型ブロック10が、3個ないし6個のコマ型ブロック10を水平方向に連結してなる多連型ブロック10aであることを特徴とする請求項1から請求項5のいずれかに記載の建設物基礎構造。 6. The frame type block 10 is a multiple type block 10a formed by connecting three to six piece type blocks 10 in the horizontal direction . Construction foundation structure.
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