JP6001915B2 - Stacking blocks - Google Patents

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JP6001915B2
JP6001915B2 JP2012112071A JP2012112071A JP6001915B2 JP 6001915 B2 JP6001915 B2 JP 6001915B2 JP 2012112071 A JP2012112071 A JP 2012112071A JP 2012112071 A JP2012112071 A JP 2012112071A JP 6001915 B2 JP6001915 B2 JP 6001915B2
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fitting protrusion
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fitting
blocks
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礼司 服部
礼司 服部
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南和産業株式会社
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Description

本発明は、土留や護岸等の擁壁の構築に用いることができる積みブロックに関する。   The present invention relates to a stacking block that can be used for construction of retaining walls such as earth retaining and revetment.

積みブロックは、天然の積み石(間知石)に代わる建設資材として、主に道路に面した崖等の土留や河川の護岸などのために構築される擁壁の施工に用いられる。この積みブロックは、間知ブロックとも呼ばれ、その一部はJIS規格にもなっている(プレキャスト無筋コンクリート製品/JIS A5371)。   Building blocks are used as construction materials to replace natural building stones (machi stones), mainly for the construction of retaining walls constructed for earth retaining such as cliffs facing rivers and river revetments. This stacked block is also called a cognitive block, and a part thereof is also in accordance with JIS standards (precast unreinforced concrete product / JIS A5371).

このような従来の間知ブロックに替わる新たな形態の積みブロックが種々提案されており、例えば、それに関連した記載が下記の特許文献にある。   Various new forms of stacked blocks that replace such conventional wisdom blocks have been proposed. For example, the following patent documents describe related blocks.

特開2005−105784号公報JP 2005-105784 A 特開2007−170145号公報JP 2007-170145 A

もっとも、上記の特許文献にあるような積みブロックも、施工性に関していうと、従来の間知ブロックと大差ない。すなわち、そのようなブロックを用いても、崖や川岸等の斜面に接して打設した基礎コンクリート上に、積みブロックを一つずつ配置を調整しながら並べ、一段積み上げる毎に胴込めコンクリートを流し込むという作業を繰り返すことにより、擁壁が形成される点は共通していた。   However, the stacking block as in the above-mentioned patent document is not much different from the conventional wisdom block in terms of workability. That is, even if such blocks are used, on the foundation concrete placed in contact with slopes such as cliffs and riverbanks, the stacking blocks are arranged one by one while adjusting the arrangement, and each time the stacking is done, the inflated concrete is poured. The point that the retaining wall was formed by repeating this work was common.

このような擁壁の施工は、従来、基本的に作業員が全て現場で行い、その進捗が天候に左右されるという状況であった。このため擁壁の施工コスト削減や工期短縮等を大幅に図ることは難しかった。   Conventionally, the construction of such a retaining wall has been basically performed by workers on site, and the progress depends on the weather. For this reason, it has been difficult to significantly reduce the construction cost of the retaining wall and shorten the construction period.

本発明はこのような事情に鑑みて為されたものであり、擁壁の施工等に要するコスト削減や工期短縮等を大幅に図れる積みブロックを提供することを目的とする。   This invention is made | formed in view of such a situation, and it aims at providing the building block which can aim at the cost reduction required for construction of a retaining wall, a construction period shortening, etc. significantly.

本発明者はこの課題を解決すべく鋭意研究し、試行錯誤を重ねた結果、平行に対向する両壁部を連結し、それら壁部間に嵌合する嵌合突起を壁部の一辺側に設けることを思いついた。この成果を発展させることにより、以降に述べる本発明を完成するに至った。   As a result of intensive research to solve this problem and repeated trial and error, the inventor has connected both wall portions facing each other in parallel, and a fitting protrusion that fits between the wall portions is provided on one side of the wall portion. I came up with the idea. By developing this result, the present invention described below has been completed.

《積みブロック》
(1)すなわち本発明の積みブロックは、方形状の第一壁部と、該第一壁部に対向して形成された方形状の第二壁部と、該第一壁部および該第二壁部の一辺内側から外延して突出した嵌合突起と、該嵌合突起が該一辺内側以外のいずれの他辺内側へも外挿され得る嵌合空間を少なくとも形成しつつ、該第一壁部と該第二壁部を連結する連結部とを備え、該嵌合突起の反対側である該連結部の背面側に、谷積みした際に上方から下方へ連通し得る連通空間が形成されていることを特徴とする。
《Building block》
(1) That is, the stacking block of the present invention includes a rectangular first wall portion, a rectangular second wall portion formed to face the first wall portion, the first wall portion and the second wall portion. The first wall while forming at least a fitting projection protruding outward from one side of the wall and a fitting space in which the fitting projection can be extrapolated to any inner side other than the inner side. And a connecting portion that connects the second wall portion, and a communication space is formed on the back side of the connecting portion that is opposite to the fitting projection so as to communicate from above to below when stacked. and wherein the Tei Rukoto.

(2)本発明の積みブロック(適宜、単に「ブロック」という。)によれば、一辺内側から外延する嵌合突起が、その一辺以外のいずれの他辺内側にも嵌合する形態となっている。このため本発明のブロックは積み方の自由度が高く、いずれの積み方をしても嵌合突起が第一壁部と第二壁部からなる嵌合空間に係合し、安定した積み重ねが可能となる。 (2) According to the stacking block of the present invention (appropriately, simply referred to as “block”), the fitting protrusion extending outward from one side is fitted into any other inner side other than the one side. Yes. For this reason, the block of the present invention has a high degree of freedom in the stacking method, and the fitting protrusion engages with the fitting space formed by the first wall portion and the second wall portion regardless of the stacking method, and stable stacking is achieved. It becomes possible.

嵌合突起と嵌合空間が係合するため、ブロックを一つずつ積む際に位置合わせが容易で作業効率が高いのみならず、多数のブロックを予め現場以外の場所(工場や作業上等)で積み重ねておき、多数のブロックを一単位として現場に搬入、設置等することも可能となる。   Since the mating protrusion and mating space are engaged, positioning is easy when stacking the blocks one by one and the work efficiency is high. It is also possible to stack and collect a large number of blocks as a unit and carry them to the site.

逆にいうと、本発明のブロックは、そのような嵌合突起と嵌合空間の係合が可能なように、第一壁部と第二壁部が連結部で連結されている。連結部の周囲に連通する空間(これを「連通空間」という。)は、積み重ねたブロック相互間でも連続したものとなる。このため、ブロックを積み上げた後や多数のブロックを一単位として現場に搬入、配設等した後場合でも、いわゆる胴込めコンクリートを連通空間の最上部から流し込むことができる。このように、本発明のブロックを用いると、ブロック積みやコンクリート打設をブロック一段ごとに行う必要がなく、擁壁の構築等に係る施工コストや工期を大幅に削減できる。   Conversely, in the block of the present invention, the first wall portion and the second wall portion are connected by a connecting portion so that the engagement between the fitting protrusion and the fitting space is possible. A space communicating with the periphery of the connecting portion (referred to as “communication space”) is continuous between the stacked blocks. For this reason, even when the blocks are stacked or after a large number of blocks are carried into the site as a unit and disposed, the so-called indwelling concrete can be poured from the top of the communication space. Thus, when the block of the present invention is used, it is not necessary to perform block stacking and concrete placement for each block, and the construction cost and construction period related to the construction of the retaining wall and the like can be greatly reduced.

また、連結部の大きさや配置の変更により、第一壁部と第二壁部の間に形成される連通空間を自在に調整でき、例えば、積み重ねたブロック間に真っ直ぐな補強材等を貫通させることも容易である。   In addition, the communication space formed between the first wall portion and the second wall portion can be freely adjusted by changing the size and arrangement of the connecting portion. For example, a straight reinforcing material or the like is passed between the stacked blocks. It is also easy.

さらに本発明のブロックは、従来のような控尻を有するブロックとは異なり、対向した第一壁部と第二壁部からなるため、積み重ねが容易であるのみならず、擁壁の施工時に必要とされていた裏込めコンクリートの打設やその型枠の設置等を省略することができる。従って、この点でも施工コストの低減や工期の短縮を図ることができる。   Furthermore, the block of the present invention is different from the conventional block having the trailing edge, and is composed of the first wall portion and the second wall portion which are opposed to each other. It was possible to omit the placement of backfilled concrete and the installation of its formwork. Therefore, also in this respect, the construction cost can be reduced and the construction period can be shortened.

《その他》
本明細書では、「第一」および「第二」を便宜的な呼称として用いているに過ぎず、それらを付した部材は異形態でも同形態でもよい。
<Others>
In the present specification, “first” and “second” are merely used for convenience, and members provided with these may be in a different form or the same form.

本発明の一実施例である積みブロックの斜視図である。It is a perspective view of the stacking block which is one Example of this invention. そのブロックを異なる角度から観た斜視図である。It is the perspective view which looked at the block from a different angle. そのブロック(化粧面あり)の平面図である。It is a top view of the block (there is a makeup | decoration surface). 図2AのA−A断面図である。It is AA sectional drawing of FIG. 2A. そのブロックの右側面図である。It is a right view of the block. そのブロックを谷積みした様子を示す正面図である。It is a front view which shows a mode that the block was piled up. 図3Aの中央断面図である。3B is a central sectional view of FIG. 3A. FIG. 谷積みしたブロックの中央外周囲にロープを係回した様子を示す斜視図である。It is a perspective view which shows a mode that the rope was wound around the center outer periphery of the block piled up. 本実施例に係るブロックを布積みした様子を示す斜視図である。It is a perspective view which shows a mode that the block which concerns on a present Example was piled up.

上述した本発明の構成要素に、本明細書中から任意に選択した一つまたは二つ以上の構成要素を付加し得る。いずれの実施形態が最良であるか否かは、対象、要求性能等によって異なる。   One or two or more components arbitrarily selected from the present specification may be added to the above-described components of the present invention. Which embodiment is the best depends on the target, required performance, and the like.

(1)本発明のブロックは、材質を問わないが、通常、コンクリートからなり、工場等で予め成形されて、施工現場へ搬送される。このブロックが、通水性や通気性を有するポーラス状コンクリートからなると、ブロックを通じた排水や換気等が可能となり好ましい。 (1) Although the block of this invention does not ask | require a material, normally, it consists of concrete, is shape | molded previously in a factory etc., and is conveyed to a construction site. It is preferable that the block is made of porous concrete having water permeability and air permeability because drainage, ventilation, and the like through the block are possible.

(2)本発明に係る第一壁部および第二壁部は、略平行に対向した方形状をしているが、それらは長方形状でも、正方形状でもよい。 (2) Although the 1st wall part and 2nd wall part which concern on this invention are carrying out the rectangular shape which faced substantially parallel, they may be rectangular shape or square shape.

嵌合突起は、種々の形態が考えられるが、例えば、嵌合突起が連結部の少なくとも一部から突出方向(外側方向)へ延在した形状をしていると好適である。これによりブロックの形状を簡素化でき、強固な嵌合突起を有するブロックを容易に製造できるようになる。   Although various forms can be considered for the fitting protrusion, for example, it is preferable that the fitting protrusion has a shape extending from at least a part of the connecting portion in the protruding direction (outward direction). As a result, the shape of the block can be simplified, and a block having a strong fitting protrusion can be easily manufactured.

嵌合突起は、中実体でもよいが、例えば、第一壁部の内面側から延在した第一嵌合突起と、第二壁部の内面側から延在した第二嵌合突起と、第一嵌合突起と第二嵌合突起の間に形成された前記一辺方向に延びる開溝部と、からなると好適である。開溝部を設けることによりブロックの軽量化や原料コスト削減を図れると共に、積み重ねたブロックをロープ等で纏めて結束する際の抜け止めとして利用できる。さらに開溝部は積み重ねたブロック内にできる連通空間を拡大させ、胴込めコンクリートを打設した際に擁壁の高強度化等を図り易い。なお、ブロックを構成する各部の角や隅は、適宜、平面状または曲面状の面取りがされていてもよい。   The fitting projection may be solid, for example, a first fitting projection extending from the inner surface side of the first wall portion, a second fitting projection extending from the inner surface side of the second wall portion, It is preferable that the opening portion is formed between the one fitting protrusion and the second fitting protrusion and extends in the one side direction. By providing the open groove portion, the weight of the block can be reduced and the raw material cost can be reduced, and it can be used as a retaining when the stacked blocks are bundled together with a rope or the like. Furthermore, the open groove portion enlarges the communication space that can be formed in the stacked blocks, and it is easy to increase the strength of the retaining wall when placing the concrete into the case. The corners and corners of each part constituting the block may be appropriately chamfered in a flat shape or a curved shape.

(3)本発明のブロックは、その用途を問わず、土留や護岸等の擁壁の構築の他、例えば、隔壁用ブロック、笠石用ブロック、舗装用ブロック、階段用ブロック、U字溝用ブロック、ケーブルトラフ用ブロック、花壇用ブロック、張ブロック、連節ブロック等として利用できる。また用途に応じて、第一壁部などを種々の形態の化粧面としてもよい。 (3) The block of the present invention is not limited to its construction, but is used for construction of retaining walls such as earth retaining walls and revetments, for example, blocks for bulkheads, blocks for capstones, blocks for paving, blocks for steps, blocks for U-shaped grooves Can be used as cable trough blocks, flowerbed blocks, tension blocks, articulated blocks, etc. Moreover, according to a use, it is good also considering a 1st wall part etc. as a decorative surface of various forms.

本発明の積みブロックに係る一実施例であるコンクリート製のブロックBの斜視図を図1Aおよび図1Bに示した。また、化粧面11を設けたブロックBの平面図を図2Aに、そのA−A断面図を図2Bに、その右側面図を図2Cにそれぞれ示した。なお、便宜上、上下方向(一辺方向)、左右方向および前後方向を図1Aに示すように規定する。また適宜、上下方向を縦方向(一辺方向)、左右方向を横方向という。   1A and 1B show perspective views of a concrete block B which is an embodiment of the stacking block of the present invention. Moreover, the top view of the block B which provided the decorative surface 11 was shown to FIG. 2A, the AA sectional drawing was shown in FIG. 2B, and the right view was shown to FIG. 2C, respectively. For convenience, the up-down direction (one side direction), the left-right direction, and the front-rear direction are defined as shown in FIG. 1A. Further, the vertical direction is referred to as the vertical direction (one side direction), and the horizontal direction is referred to as the horizontal direction.

ブロックBは、長方形板状の第一壁部1と、長方形板状の第二壁部2と、それらの内側中央を連結する直方体状の連結部3と、第一壁部1の一辺内側から連結部3に連なって外側へ延在する第一嵌合突起41と、第二壁部2の一辺内側から連結部3に連なって外側へ延在する第二嵌合突起42とからなる。なお、第一嵌合突起41と第二嵌合突起42の間には、上下方向に貫通した断面方形状の溝からなる開溝部43が形成されている。   The block B includes a rectangular plate-shaped first wall portion 1, a rectangular plate-shaped second wall portion 2, a rectangular parallelepiped-shaped connecting portion 3 that connects the inner centers thereof, and an inner side of the first wall portion 1. It consists of the 1st fitting protrusion 41 extended to the outer side connected with the connection part 3, and the 2nd fitting protrusion 42 extended to the outer side from the inner side of the 2nd wall part 2 to the connection part 3. As shown in FIG. Between the first fitting protrusion 41 and the second fitting protrusion 42, an open groove portion 43 made of a groove having a rectangular cross section penetrating in the vertical direction is formed.

連結部3、第一嵌合突起41および第二嵌合突起42は、上下面が連続した一体的な面で構成されている。それらの上下方向の長さ(高さ)は第一壁部1および第二壁部2よりも短く、上下方向に関して第一壁部1および第二壁部2の内側に均等に収まっている。
The connection part 3, the 1st fitting protrusion 41, and the 2nd fitting protrusion 42 are comprised by the integral surface where the upper and lower surfaces continued. Their lengths (heights) in the vertical direction are shorter than those of the first wall part 1 and the second wall part 2, and are evenly accommodated inside the first wall part 1 and the second wall part 2 in the vertical direction.

連結部3は、第一壁部1および第二壁部2の中央右側寄りに配置されている。第一嵌合突起41および第二嵌合突起42は、それぞれ、連結部3の右端側から第一壁部1および第二壁部の内側に右方向へ延在し、第一壁部1および第二壁部の右端面(右合端)から突出している。   The connecting portion 3 is disposed near the center right side of the first wall portion 1 and the second wall portion 2. The first fitting protrusion 41 and the second fitting protrusion 42 extend in the right direction from the right end side of the connecting portion 3 to the inside of the first wall portion 1 and the second wall portion, respectively. It protrudes from the right end surface (right end) of the second wall.

連結部3、第一嵌合突起41および第二嵌合突起42と、第一壁部1および第二壁部2との接続部分には隅面取が形成されている。また、それら隅面取に対応する角面取が、第一嵌合突起41および第二嵌合突起42の上下方向に延在する外側角部にも形成されている。   A corner chamfer is formed at the connecting portion between the connecting portion 3, the first fitting protrusion 41 and the second fitting protrusion 42, and the first wall portion 1 and the second wall portion 2. Further, corner chamfers corresponding to the corner chamfers are also formed on the outer corners of the first fitting protrusion 41 and the second fitting protrusion 42 extending in the vertical direction.

図2Bに示すように、第一嵌合突起41および第二嵌合突起42が第一壁部1および第二壁部2の右端面から突き出した長さを突出量t、連結部3、第一嵌合突起41および第二嵌合突起42の上下面が第一壁部1および第二壁部2の上下端面(上下合端)から窪んだ長さを窪み量dとする。本実施例に係るブロックBでは、突出量tと窪み量dがほぼ等しいか、または窪み量dが突出量tより若干大きくなっている。   As shown in FIG. 2B, the length of the first fitting protrusion 41 and the second fitting protrusion 42 protruding from the right end surfaces of the first wall portion 1 and the second wall portion 2 is the protrusion amount t, the connecting portion 3, The length by which the upper and lower surfaces of the one fitting protrusion 41 and the second fitting protrusion 42 are recessed from the upper and lower end surfaces (upper and lower ends) of the first wall portion 1 and the second wall portion 2 is defined as a depression amount d. In the block B according to the present embodiment, the protrusion amount t and the depression amount d are substantially equal, or the depression amount d is slightly larger than the protrusion amount t.

このブロックBを谷積みした様子を図3Aに、その中央断面図を図3Bに示した。本実施例のブロックBを用いると、第一嵌合突起41および第二嵌合突起42が、第一壁部1と第二壁部2の間にできる嵌合空間Fに嵌合した状態で係合し、各ブロックBが安定的に積層されることがわかる。   A state in which the blocks B are stacked is shown in FIG. 3A, and a central sectional view thereof is shown in FIG. 3B. When the block B of the present embodiment is used, the first fitting protrusion 41 and the second fitting protrusion 42 are fitted in the fitting space F formed between the first wall portion 1 and the second wall portion 2. It can be seen that the blocks B are stably stacked.

また図2Bから明らかなように、積み重ねられたブロックBの内側には連続した大きな連通空間(ハッチング部分以外)が形成されており、胴込めコンクリートが上方から下方へ流れ込む導入路が十分に確保されることもわかる。また図3Bに示すように、鉄筋等の補強材Sを、積み重ねたブロックBからなる連通空間に真っ直ぐに挿入することも容易である。   Further, as is clear from FIG. 2B, a continuous large communication space (other than the hatched portion) is formed inside the stacked block B, and a sufficient introduction path is provided for the inflow concrete to flow downward from above. I understand that. Moreover, as shown in FIG. 3B, it is also easy to insert the reinforcing material S such as a reinforcing bar straight into the communication space composed of the stacked blocks B.

ブロックBは、擁壁等の施工現場で従来と同様の工法で一段ずつ積み重ねることができる。もっとも、例えば、図4に示すように、多数のブロックBを工場や別の作業場で予め積み重ねておき、その中央外周にロープRを係回して、結束した一単位として取り扱うこともできる。なお、第一壁部1と第二壁部2の間に形成される嵌合空間と開溝部43にロープRを嵌めることにより、ロープRの脱抜等を防止して、積み重ねたブロックBを強固に安定して結束できる。   The block B can be stacked step by step by the same method as the conventional method at a construction site such as a retaining wall. However, as shown in FIG. 4, for example, a large number of blocks B can be stacked in advance in a factory or another work place, and the rope R can be wound around the center outer periphery so as to be handled as a unit. In addition, by fitting the rope R into the fitting space formed between the first wall portion 1 and the second wall portion 2 and the open groove portion 43, the rope R is prevented from being pulled out, and the stacked blocks B Can be bound firmly and stably.

このような結束された多数のブロックBをそのまま施工現場に搬入、設置等した後、コンクリートを打設等すれば、擁壁の構築等を短期間で行うことができ、施工コストや工期を大幅に削減できる。また多数のブロックBの結束は現場以外で可能なため、悪天候による工期の遅延等も抑制できる。   If such a large number of bundled blocks B are brought into the construction site as they are and installed, then concrete can be placed in order to build a retaining wall in a short period of time, greatly increasing the construction cost and construction period. Can be reduced. In addition, since a large number of blocks B can be bundled outside the site, it is possible to suppress delays in the construction period due to bad weather.

これまでブロックBを谷積みする場合について説明したが、図5に示すようにブロックBを布積み等することも勿論可能である。この場合も、図4に示すように布積みした多数のブロックBにロープRを係回し結束して施工現場へ搬入することができる。   Although the case where the blocks B are stacked in the valley has been described so far, it is of course possible to fabricate the blocks B as shown in FIG. Also in this case, as shown in FIG. 4, the rope R can be wound around and bundled with a large number of blocks B that are piled up and carried into the construction site.

1 第一壁部
11 化粧面
2 第二壁部
3 連結部
41 第一嵌合突起
42 第二嵌合突起
43 開溝部
B ブロック
F 嵌合空間
DESCRIPTION OF SYMBOLS 1 1st wall part 11 Decorative surface 2 2nd wall part 3 Connection part 41 1st fitting protrusion 42 2nd fitting protrusion 43 Groove part B Block F Fitting space

Claims (4)

方形状の第一壁部と、
該第一壁部に対向して形成された方形状の第二壁部と、
該第一壁部および該第二壁部の一辺内側から外延して突出した嵌合突起と、
該嵌合突起が該一辺内側以外のいずれの他辺内側へも外挿され得る嵌合空間を少なくとも形成しつつ、該第一壁部と該第二壁部を連結する連結部とを備え、
該嵌合突起の反対側である該連結部の背面側に、谷積みした際に上方から下方へ連通し得る連通空間が形成されていることを特徴とする積みブロック。
A rectangular first wall;
A square-shaped second wall formed opposite to the first wall,
A fitting protrusion protruding outward from one side of the first wall and the second wall, and
The fitting protrusion includes at least a fitting space that can be extrapolated to the inside of any other side other than the inside of the one side, and includes a coupling portion that couples the first wall portion and the second wall portion ,
Fitting the rear side of the connecting portion is opposite to the fitting protrusions, loading features that you have communication space from above upon loading trough may communicate downward is formed block.
前記嵌合突起は、前記連結部の少なくとも一部から突出方向へ延在してなる請求項1に記載の積みブロック。   The stacking block according to claim 1, wherein the fitting protrusion extends in a protruding direction from at least a part of the connecting portion. 前記嵌合突起は、
前記第一壁部の内面側から延在した第一嵌合突起と、
前記第二壁部の内面側から延在した第二嵌合突起と、
該第一嵌合突起と該第二嵌合突起の間に形成された前記一辺方向に延びる開溝部と、
からなる請求項1または2に記載の積みブロック。
The fitting protrusion is
A first fitting protrusion extending from the inner surface side of the first wall,
A second fitting protrusion extending from the inner surface side of the second wall,
An open groove formed between the first fitting protrusion and the second fitting protrusion and extending in the one-side direction;
The stacking block according to claim 1 or 2, comprising:
前記第一壁部は、化粧面を有する請求項1〜3のいずれかに記載の積みブロック。   The stacked block according to claim 1, wherein the first wall portion has a decorative surface.
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* Cited by examiner, † Cited by third party
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US4473985A (en) * 1982-04-30 1984-10-02 Terence Hunt Building block
JPH10110488A (en) * 1996-10-04 1998-04-28 J P S:Kk Hollow block
JPH1161858A (en) * 1997-06-11 1999-03-05 Tokuyama Corp Stacked block for retaining wall
JP2005139872A (en) * 2003-11-04 2005-06-02 Masaru Iizuka Fitting type concrete block and its construction method

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