JP4591384B2 - Unit building - Google Patents

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JP4591384B2
JP4591384B2 JP2006054991A JP2006054991A JP4591384B2 JP 4591384 B2 JP4591384 B2 JP 4591384B2 JP 2006054991 A JP2006054991 A JP 2006054991A JP 2006054991 A JP2006054991 A JP 2006054991A JP 4591384 B2 JP4591384 B2 JP 4591384B2
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floor
building
reinforcing
unit
temporary
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JP2007231623A (en
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英樹 山田
力 松田
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Toyota Motor Corp
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本発明は、仮柱の撤去及びこの部分の補強により柱レスによる大空間の形成が可能なユニット建物に関する。   The present invention relates to a unit building capable of forming a large space without a column by removing a temporary column and reinforcing this portion.

一般にユニット住宅は、予め工場で柱と梁を箱状に組み立てて生産した建物ユニットを必要個数分だけ建築地に搬送し、クレーンを使って順次据え付けていくことにより構成される。この場合、隣接する建物ユニットの柱が一箇所に集まる部分が生じ、広い空間を作る妨げとなっていた。   In general, a unit house is constructed by transporting a required number of building units, which are produced by assembling pillars and beams in a box shape at a factory, to a building site and installing them sequentially using a crane. In this case, a part where the pillars of adjacent building units are gathered in one place is generated, which has been an obstacle to creating a wide space.

そこで、近年、ワイドスパン工法と呼ばれる柱レスタイプのユニット住宅が提案されるに至った。この種のワイドスパン工法による場合、工場出荷時には建物ユニットに予め仮柱を取り付けておくことで搬送性を確保し、建築地において建物ユニットを順次据え付けた後に仮柱を撤去する。仮柱を撤去するとその部分の強度が低下するので、それを補うめに隣り合う天井大梁間に補強梁を挿入し、連結することで仮柱が受けるべき荷重を負担するようにしている(一例として下記特許文献1参照)。
特許第3260266号公報
Therefore, in recent years, a column-less type unit house called a wide span construction method has been proposed. In the case of this type of wide span method, transportability is ensured by attaching temporary columns to the building units in advance at the time of factory shipment, and the temporary columns are removed after the building units are sequentially installed in the building area. When the temporary column is removed, the strength of the part decreases, so a reinforcement beam is inserted between adjacent ceiling beams to make up for it, and the load that the temporary column should receive is borne (example) (See Patent Document 1 below).
Japanese Patent No. 3260266

しかしながら、上記先行技術による場合、補強梁が隣接する建物ユニットの外側の柱同士を繋ぐため、スパン長が長く、かつ補強梁を下階側の天井大梁から上階側の床大梁まで延在するように梁成を高くしているため、補強梁が部材としては非常に大きく重いものであった。このため、工場から建築地までの搬送車両による搬送性が悪く、建築地においてもクレーンでの据付作業となるため位置決めが難しく作業効率が低下していた。   However, in the case of the above prior art, the reinforcing beam connects the columns on the outside of the adjacent building unit, so that the span length is long and the reinforcing beam extends from the ceiling beam on the lower floor side to the floor beam on the upper floor side. As described above, since the beam formation is high, the reinforcing beam is very large and heavy as a member. For this reason, the transportability by the transport vehicle from the factory to the building site is poor, and the installation work with the crane is also performed in the building site, so positioning is difficult and work efficiency is lowered.

本発明は上記事実を考慮し、ユニット境界を越える広い空間を確保でき、しかも補強梁の搬送性及び組付作業性を向上させることができるユニット建物を得ることが目的である。   In view of the above facts, the present invention has an object to obtain a unit building that can secure a wide space beyond the unit boundary and can improve the transportability and assembly workability of the reinforcing beam.

請求項1記載の本発明は、複数の建物ユニットによって複数階建てに構成されるユニット建物において、下階側の複数の建物ユニットのうち、一部の建物ユニットの一部の柱が取り外し可能な仮柱によって構成された建物ユニットを、当該仮柱同士が隣接するように複数個配置し、かつ当該仮柱が撤去される仮柱集合撤去部を形成することにより下階側に連続した広い空間が形成されるユニット建物であって、仮柱集合撤去部を形成する下階側の建物ユニット上に載置される上階側の建物ユニットにおいて下階側の建物ユニットの仮柱集合撤去部上方を通り所定の隙間をあけて対向して配置された上階側の建物ユニットの床大梁を連結するように上階側補強梁を当該床大梁に固定し、さらに、前記上階側補強梁からはブラケット高さが当該上階側補強梁の高さよりも低くかつ座面が水平方向に向けられた補強梁側ブラケットが設けられていると共に、前記床大梁からはブラケット高さが当該床大梁の高さよりも低くかつ座面が水平方向に向けられた床大梁側ブラケットが設けられ、前記上階側補強梁を前記隙間の上方側から落とし込むことにより、補強梁側ブラケットが床大梁側ブラケットに係止されて上階側補強梁の組付位置の位置決めがなされる、ことを特徴としている。 In the first aspect of the present invention, in a unit building constituted by a plurality of building units by a plurality of building units, some columns of some building units are removable from the plurality of building units on the lower floor side. A large space that is continuous on the lower floor side by arranging a plurality of building units composed of temporary columns so that the temporary columns are adjacent to each other and forming a temporary column assembly removal part from which the temporary columns are removed Above the temporary column assembly removal part of the lower floor building unit in the upper floor building unit placed on the lower floor building unit forming the temporary pillar assembly removal unit The upper floor side reinforcement beam is fixed to the floor floor beam so as to connect the floor floor beam of the upper floor side building unit disposed opposite to each other with a predetermined gap therebetween , and further from the upper floor side reinforcement beam. Is the bracket height above There is provided a reinforcing beam side bracket that is lower than the height of the side reinforcing beam and the seating surface is oriented in the horizontal direction, and the bracket height is lower than the height of the floor large beam and the seating surface is A floor large beam side bracket oriented in the horizontal direction is provided, and by dropping the upper floor side reinforcing beam from above the gap, the reinforcing beam side bracket is locked to the floor large beam side bracket and the upper floor side reinforcing beam The assembling position is positioned .

請求項2記載の本発明は、請求項1記載のユニット建物において、前記上階側補強梁の梁成は、前記床大梁の梁成と略同一に設定されている、ことを特徴としている。   According to a second aspect of the present invention, in the unit building according to the first aspect, the beam formation of the upper floor side reinforcing beam is set substantially the same as the beam formation of the large floor beam.

請求項3記載の本発明は、請求項1記載のユニット建物において、前記上階側補強梁の梁成は前記床大梁の梁成より長く設定されており、かつ当該上階側補強梁の上縁は上階側の床上には突出せず、当該上階側補強梁の下縁は上階側の建物ユニットの床大梁の下縁よりも下方へ突出して配置されている、ことを特徴としている。   According to a third aspect of the present invention, in the unit building according to the first aspect, the beam formation of the upper floor side reinforcement beam is set longer than the beam formation of the floor large beam, and the upper floor side reinforcement beam The edge does not protrude on the floor on the upper floor side, and the lower edge of the upper floor side reinforcing beam protrudes downward from the lower edge of the floor large beam of the building unit on the upper floor side. Yes.

請求項4記載の本発明は、請求項1乃至請求項3のいずれか一項に記載のユニット建物において、前記上階側補強梁のスパン長は、前記上階側の建物ユニットの床大梁を連結できる長さ以上でかつ隣接する建物ユニットの二辺分の長さよりも短く設定されており、さらに、当該上階側補強梁を前記仮柱集合撤去部上方と床大梁の中間部付近の少なくとも二箇所で固定した、ことを特徴としている。   According to a fourth aspect of the present invention, in the unit building according to any one of the first to third aspects, the span length of the upper floor side reinforcing beam is equal to the floor beam of the upper floor side building unit. It is set to be longer than the length that can be connected and shorter than the length of two sides of adjacent building units, and further, the upper floor side reinforcing beam is at least above the temporary column assembly removal part and near the middle part of the floor beam. It is characterized by being fixed in two places.

請求項5記載の本発明は、請求項1乃至請求項4のいずれか一項に記載のユニット建物において、上下に重ねられた前記補強梁側ブラケットと前記床大梁側ブラケットとを前記隙間の上方又は下方側から締結具で締結した、ことを特徴としている。 According to a fifth aspect of the present invention, in the unit building according to any one of the first to fourth aspects, the reinforcing beam side bracket and the floor large beam side bracket that are stacked one above the other are disposed above the gap. Or it is characterized by having fastened with the fastener from the downward side.

請求項6記載の本発明は、請求項1乃至請求項5のいずれか一項に記載のユニット建物において、下階側の建物ユニットにおいて仮柱集合撤去部近傍を通り所定の隙間をあけて対向して配置された天井大梁間の隙間に、梁成が当該天井大梁の梁成と略同一に設定されると共に組付後の状態では前記上階側補強梁に対して非接触に配置される下階側補強梁を挿入して当該天井大梁に固定した、ことを特徴としている。 According to a sixth aspect of the present invention, in the unit building according to any one of the first to fifth aspects, the building unit on the lower floor side passes through the vicinity of the temporary column assembly removal portion and opposes with a predetermined gap. In the gap between the ceiling beams arranged in this way, the beam formation is set to be substantially the same as the beam formation of the ceiling beam, and in the state after assembly, it is arranged in a non-contact manner with respect to the upper-level reinforcing beam. It is characterized in that a lower-level reinforcement beam is inserted and fixed to the ceiling beam.

請求項7記載の本発明は、請求項6記載のユニット建物において、前記下階側補強梁のスパン長は、前記下階側の建物ユニットの天井大梁を連結できる長さ以上でかつ隣接する建物ユニットの二辺分の長さよりも短く設定されており、さらに、当該下階側補強梁を前記仮柱集合撤去部近傍と天井大梁の中間部付近の少なくとも二箇所で固定した、ことを特徴としている。 The present invention is claimed in claim 7, wherein, in the unit building according to claim 6, wherein a span length of the lower floor side reinforcing beam is not less than the length and the adjacent can be connected to the ceiling girder-building units of the lower floor side building It is set shorter than the length of two sides of the unit, and further, the lower floor side reinforcing beam is fixed at at least two places near the temporary column assembly removal portion and the middle portion of the ceiling beam. Yes.

請求項1記載の本発明によれば、複数の建物ユニットによって複数階建てに構成されるユニット建物において、下階側の複数の建物ユニットのうち、一部の建物ユニットはその一部に取り外し可能な仮柱を備えている。この仮柱同士が隣接するように建物ユニットが複数個配置される。この状態において、上階側の建物ユニットにおいて仮柱集合撤去部上方を通り所定の隙間をあけて対向して配置された上階側の建物ユニットの床大梁を連結するように上階側補強梁が床大梁に固定される。これにより、上階側の建物ユニットの仮柱集合撤去部上方を通る床大梁が補強される。その後、仮柱を仮柱集合撤去部から撤去すれば、下階側に連続した広い空間が形成されたユニット建物が構築される。   According to the first aspect of the present invention, in a unit building composed of a plurality of floors by a plurality of building units, some of the building units among the plurality of building units on the lower floor side can be detached. It has a temporary column. A plurality of building units are arranged so that these temporary pillars are adjacent to each other. In this state, the upper floor side reinforcing beam is connected so as to connect the upper floor side beams of the upper floor side building unit that are arranged to face each other with a predetermined gap passing through the upper part of the temporary column assembly removing portion in the upper floor side building unit. Is fixed to the floor girder. Thereby, the floor girder which passes above the temporary column assembly removal part of the building unit on the upper floor side is reinforced. After that, if the temporary pillars are removed from the temporary pillar assembly removal section, a unit building in which a large continuous space is formed on the lower floor side is constructed.

このように本発明では、下階側に仮柱集合撤去部が設けられる構成において、上階側の建物ユニットにおいて仮柱集合撤去部上方を通り所定の隙間をあけて対向して配置された上階側の建物ユニットの床大梁を連結するように上階側補強梁を床大梁に固定することにより、上階側の建物ユニットからの荷重が仮柱集合撤去部に入らないようにしている。
また、本発明では、上階側補強梁にはブラケット高さが当該上階側補強梁の高さよりも低くかつ座面が水平方向に向けられた補強梁側ブラケットが設けられており、又床大梁からはブラケット高さが当該床大梁の高さよりも低くかつ座面が水平方向に向けられた床大梁側ブラケットが設けられており、上階側補強梁を隙間の上方側から落とし込むことにより、補強梁側ブラケットが床大梁側ブラケットに係止されて上階側補強梁の組付位置の位置決めがなされる構成としたので、上階側補強梁の組付作業を上階側の建物ユニット側から下向き作業で行うことができる。
As described above, in the present invention, in the configuration in which the temporary column assembly removal portion is provided on the lower floor side, the upper floor side of the building unit passes through the upper portion of the temporary column assembly removal portion and is disposed to face each other with a predetermined gap. By fixing the upper floor side reinforcing beam to the floor beam so as to connect the floor beam of the floor side building unit, the load from the upper floor side building unit is prevented from entering the temporary column assembly removal portion.
According to the present invention, the upper floor side reinforcing beam is provided with a reinforcing beam side bracket whose bracket height is lower than the height of the upper floor side reinforcing beam and whose seating surface is oriented in the horizontal direction. From the girder, there is a floor girder side bracket whose bracket height is lower than the height of the floor girder and the seating surface is horizontally oriented, and by dropping the upper floor side reinforcing beam from above the gap, Since the reinforcement beam side bracket is locked to the floor large beam side bracket, the assembly position of the upper floor reinforcement beam is positioned, so the assembly work of the upper floor reinforcement beam is performed on the building unit side on the upper floor side. Can be done in a downward direction.

請求項2記載の本発明によれば、上階側補強梁の梁成が床大梁の梁成と略同一に設定されているため、上下階に亘る梁成を有する補強梁を設置する従来構造に比し、補強梁が小型軽量化される。従って、搬送車両を使った輸送上の制約が少なくなり、搬送性(輸送効率)が向上される。また、小型軽量化された分、組付作業もやり易くなる。   According to the second aspect of the present invention, since the beam formation of the upper floor side reinforcement beam is set to be substantially the same as the beam formation of the large floor beam, the conventional structure in which the reinforcement beam having the beam formation over the upper and lower floors is installed. Compared to, the reinforcing beam is reduced in size and weight. Accordingly, there are fewer restrictions on transportation using the transport vehicle, and transportability (transport efficiency) is improved. In addition, assembling work becomes easier due to the reduction in size and weight.

請求項3記載の本発明によれば、上階側補強梁の梁成を床大梁の梁成より長く設定し、かつ当該上階側補強梁の上縁は上階側の床上には突出せず、当該上階側補強梁の下縁は上階側の建物ユニットの床大梁の下縁よりも下方へ突出して配置したので、上階側補強梁の断面係数を大きくすることができる。従って、補強性能を上げることができる。   According to the third aspect of the present invention, the beam formation of the upper floor side reinforcement beam is set longer than the beam formation of the floor large beam, and the upper edge of the upper floor side reinforcement beam protrudes above the floor on the upper floor side. First, since the lower edge of the upper floor side reinforcing beam protrudes downward from the lower edge of the upper floor beam of the upper floor side building unit, the section modulus of the upper floor side reinforcing beam can be increased. Therefore, the reinforcing performance can be improved.

請求項4記載の本発明によれば、上階側補強梁のスパン長が、上階側の建物ユニットの床大梁を連結できる長さ以上でかつ隣接する建物ユニットの二辺分の長さよりも短く設定されており、さらに、当該上階側補強梁を仮柱集合撤去部上方と床大梁の中間部付近の少なくとも二箇所で固定したので、隣接する建物ユニットの外側の柱同士を繋ぐスパン長を有する補強梁を用いる従来構造に比し、補強梁が更に小型軽量化される。   According to this invention of Claim 4, the span length of the upper floor side reinforcement beam is more than the length which can connect the floor big beam of the upper floor side building unit, and is longer than the length of two sides of an adjacent building unit. In addition, the upper floor side reinforcement beam is fixed at at least two locations above the temporary column assembly removal part and near the middle part of the floor girder, so the span length connecting the outside columns of adjacent building units Compared to a conventional structure using a reinforcing beam having a size, the reinforcing beam is further reduced in size and weight.

なお、上階側補強梁は仮柱集合撤去部上方と床大梁の中間部付近の少なくとも二箇所で固定されるため、取付強度は充分に確保できる。   In addition, since the upper floor side reinforcing beams are fixed at least at two locations above the temporary column assembly removal portion and near the middle portion of the floor large beam, sufficient mounting strength can be secured.

請求項5記載の本発明によれば、上下に重ねられた補強梁側ブラケットと床大梁側ブラケットとを隙間の上方又は下方側から締結具で締結することにより、上階側補強梁を床大梁に固定することができる。従って、例えば、隙間の上方側から締結する場合には、上階側補強梁の挿入方向と締結具の締結方向とが同じになる。 According to the fifth aspect of the present invention, the reinforcing beam side bracket and the floor large beam side bracket, which are stacked one above the other, are fastened with the fasteners from above or below the gap so that the upper floor side reinforcing beam is connected to the floor large beam. Can be fixed to. Therefore, for example, when fastening from above the gap, the insertion direction of the upper floor side reinforcing beam and the fastening direction of the fastener are the same.

請求項6記載の本発明によれば、下階側の建物ユニットにおいて仮柱集合撤去部近傍を通り所定の隙間をあけて対向して配置された天井大梁間の隙間に、梁成が天井大梁の梁成と略同一に設定された下階側補強梁を挿入して天井大梁に固定したので、仮柱集合撤去部が形成される下階側の建物ユニットにおける天井大梁の仮柱集合撤去部近傍が直接的に補強される。 According to the sixth aspect of the present invention, in the building unit on the lower floor side, the girder is formed in the gap between the ceiling girder that is arranged to face each other with a predetermined gap passing through the vicinity of the temporary column assembly removal portion. The lower floor side reinforcement beam set to be almost the same as the beam construction of the building was inserted and fixed to the ceiling beam, so that the temporary column assembly removal part of the ceiling beam in the building unit on the lower floor where the temporary column assembly removal part is formed The neighborhood is directly reinforced.

しかも、組付後の状態では下階側補強梁は上階側補強梁に対して非接触に配置されるため、上階側の建物ユニットの荷重が下階側の建物ユニットの仮柱集合撤去部に直接伝達されることはない。従って、その分、下階側補強梁の強度を落とすことができ、下階側補強梁の軽量化を図ることができる。   Moreover, in the state after assembly, the lower floor side reinforcement beams are arranged in a non-contact manner with respect to the upper floor side reinforcement beams, so the load on the upper floor side building unit is removed from the temporary column assembly of the lower floor side building unit. It is not transmitted directly to the department. Therefore, the strength of the lower floor side reinforcing beam can be reduced accordingly, and the weight of the lower floor side reinforcing beam can be reduced.

請求項7記載の本発明によれば、下階側補強梁のスパン長が、仮柱集合撤去部近傍を通ることが可能な長さ以上でかつ隙間の長手方向に隣接する建物ユニットの二辺分の長さよりも短く設定されているため、隣接する建物ユニットの外側の柱同士を繋ぐスパン長を有する補強梁を用いる従来構造に比し、補強梁が更に小型軽量化される。 According to this invention of Claim 7, the span length of a lower floor side reinforcement beam is more than the length which can pass the temporary column assembly removal part vicinity, and two sides of the building unit adjacent to the longitudinal direction of a clearance gap Since the length is set shorter than the minute length, the reinforcing beam is further reduced in size and weight as compared with the conventional structure using the reinforcing beam having a span length that connects the outer columns of adjacent building units.

なお、下階側補強梁は仮柱集合撤去部近傍と天井大梁の中間部付近の少なくとも二箇所で固定されるため、取付強度は充分に確保できる。   In addition, since the lower floor side reinforcing beams are fixed at at least two locations near the temporary column assembly removal portion and near the middle portion of the ceiling beam, sufficient mounting strength can be secured.

以上説明したように、請求項1記載の本発明に係るユニット建物は、ユニット境界を越える広い空間を確保でき、しかも補強梁の搬送性及び組付作業性を向上させることができるという優れた効果を有する。
また、請求項1記載の本発明に係るユニット建物は、上階側補強梁の組付作業を上階側の建物ユニット側から下向き作業で行うことができるので、補強梁の組付作業性を一段と向上させることができるという優れた効果を有する。
As described above, the unit building according to the first aspect of the present invention can ensure a wide space beyond the unit boundary, and can improve the transportability and assembly workability of the reinforcing beam. Have
Moreover, the unit building according to the first aspect of the present invention can perform the assembling work of the upper floor side reinforcing beam by the downward work from the building unit side of the upper floor side. It has an excellent effect that it can be further improved.

請求項2記載の本発明に係るユニット建物は、搬送性(輸送効率)の向上と組付作業性の向上を図ることができるという優れた効果を有する。   The unit building according to the second aspect of the present invention has an excellent effect that it is possible to improve transportability (transport efficiency) and assembly workability.

請求項3記載の本発明に係るユニット建物は、上階側補強梁の小型軽量化と補強性能の向上の両立を図ることができるという優れた効果を有する。   The unit building according to the third aspect of the present invention has an excellent effect that it is possible to achieve both reduction in size and weight of the upper floor side reinforcing beam and improvement in reinforcing performance.

請求項4記載の本発明に係るユニット建物は、上階側補強梁が更に小型軽量化されるため、補強梁の搬送性及び組付作業性をより一層向上させることができるという優れた効果を有する。   The unit building according to the fourth aspect of the present invention has the excellent effect of further improving the transportability and assembly workability of the reinforcing beams because the upper floor side reinforcing beams are further reduced in size and weight. Have.

請求項6記載の本発明に係るユニット建物は、例えば、補強梁側ブラケットと床大梁側ブラケットとを隙間の上方側から締結具で締結すれば、上階側補強梁の挿入方向と締結具の締結方向とが同じになるため、狭い隙間にあって上階側補強梁の組付作業を効率良く迅速に行うことができるという優れた効果を有する。   In the unit building according to the sixth aspect of the present invention, for example, if the reinforcing beam side bracket and the floor large beam side bracket are fastened with a fastener from above the gap, the insertion direction of the upper floor side reinforcing beam and the fastener Since the fastening direction is the same, there is an excellent effect that the assembling work of the upper floor side reinforcing beams can be efficiently and quickly performed in a narrow gap.

請求項6記載の本発明に係るユニット建物は、必要最小限の重量で仮柱集合撤去部を充分に補強することができるという優れた効果を有する。 The unit building according to the sixth aspect of the present invention has an excellent effect that the temporary column assembly removal portion can be sufficiently reinforced with the minimum necessary weight.

請求項7記載の本発明に係るユニット建物は、下階側補強梁が更に小型軽量化されるため、補強梁の搬送性及び組付作業性をより一層向上させることができるという優れた効果を有する。 The unit building according to the present invention described in claim 7 has an excellent effect that the transportability and assembly workability of the reinforcing beam can be further improved because the lower-level reinforcing beam is further reduced in size and weight. Have.

以下、図1〜図6を用いて、本発明に係るユニット建物の一実施形態について説明する。   Hereinafter, an embodiment of a unit building according to the present invention will be described with reference to FIGS.

(基本構成)
図1には、本実施形態に係るユニット建物10の基本構成(前提となる構成)が示されている。また、図2には、図1との対比において従来例に係るユニット建物12の基本構成が示されている。
(Basic configuration)
FIG. 1 shows a basic configuration (a prerequisite configuration) of a unit building 10 according to the present embodiment. FIG. 2 shows a basic configuration of a unit building 12 according to a conventional example in comparison with FIG.

図2に示されるように、従来のユニット建物12では、箱形状に骨組みが配置された複数の建物ユニット14を妻方向及び桁方向に隣接して配置し、布基礎及び独立基礎から成る基礎16上に順次据え付けていくことにより構成されている。この場合、各建物ユニット14の屋内中央側に配置される柱18が4本集まった柱集合部20が形成されることになる。従って、従来のユニット建物12の場合には、柱レスの広い空間は得られない構成になっている。   As shown in FIG. 2, in the conventional unit building 12, a plurality of building units 14 in which frames are arranged in a box shape are arranged adjacent to each other in a wife direction and a girder direction, and a foundation 16 composed of a cloth foundation and an independent foundation. It is configured by installing them sequentially. In this case, a column aggregate portion 20 is formed in which four columns 18 arranged on the indoor center side of each building unit 14 are collected. Therefore, in the case of the conventional unit building 12, it is the structure which cannot obtain a wide space without a pillar.

そこで、図1に示される本実施形態に係るユニット建物10(なお、この図1では、ユニット建物10の一階部分10Aのみを図示している。)では、建物ユニット30の四隅に立設された柱32の内の1本(屋内中央側に配置される柱)を上下に三分割している。すなわち、天井仕口部34と床仕口部36との間に仮柱38(図3参照)をボルト接合等によって取り外し可能に構成し、建築地で当該仮柱38を撤去できるようにしている。しかし、その場合、柱レス部40の強度が低下するので、後述するように、一階部分(下階側)10Aの建物ユニット30の隣接する天井大梁44間の隙間46並びに二階部分(上階側)10Bの建物ユニット30の隣接する床大梁54間の隙間56にストレートタイプの下階側補強梁48並びに上階側補強梁58をそれぞれ挿入及び固定することで強度を補っている。これにより、ユニット建物10の下階側に柱レスの広い空間50(図1に太線で囲った空間)が形成される。   Therefore, in the unit building 10 according to the present embodiment shown in FIG. 1 (only the first floor portion 10A of the unit building 10 is shown in FIG. 1), the unit building 10 is erected at the four corners. One of the columns 32 (column arranged on the indoor center side) is divided into three parts vertically. That is, a temporary pillar 38 (see FIG. 3) is detachable between the ceiling joint portion 34 and the floor joint portion 36 by bolting or the like, so that the temporary pillar 38 can be removed in a building area. . However, in this case, since the strength of the column-less portion 40 is reduced, as described later, the gap 46 between the adjacent ceiling beams 44 of the building unit 30 of the first floor portion (lower floor side) 10A and the second floor portion (upper floor). Side) A straight type lower floor side reinforcing beam 48 and upper floor side reinforcing beam 58 are respectively inserted and fixed in a gap 56 between adjacent large floor beams 54 of the building unit 30 of 10B, thereby supplementing the strength. As a result, a column-less wide space 50 (a space surrounded by a thick line in FIG. 1) is formed on the lower floor side of the unit building 10.

以上が本実施形態に係るユニット建物10の基本構成である。なお、説明の便宜上、建物ユニット30の各部材に名称付けをしておく。建物ユニット30は、建物外壁面側に配置される3本の通常の柱32並びに屋内中央側に配置される仮柱38と、互いに平行に配置された長短二組の天井大梁42、44と、これらの天井大梁42、44に対して上下に平行に配置された長短二組の床大梁52、54とを備えており、梁の端部を天井と床の仕口に溶接することによりラーメン構造として構成されている。但し、ユニット構成は上記に限られることなく、他の箱形の架構構造としてもよい。   The above is the basic configuration of the unit building 10 according to the present embodiment. For convenience of explanation, names are given to the members of the building unit 30. The building unit 30 includes three normal pillars 32 arranged on the outer wall surface side of the building and a temporary pillar 38 arranged on the indoor center side, two sets of long and short ceiling beams 42 and 44 arranged in parallel to each other, A pair of long and short floor beams 52, 54 arranged vertically in parallel to the ceiling beams 42, 44 are provided, and the ends of the beams are welded to the ceiling and floor joints to form a ramen structure. It is configured as. However, the unit configuration is not limited to the above, and another box-shaped frame structure may be used.

(建物ユニットの時系列の様子)
図3には、建物ユニット60の様子が時系列で示されている。図3(A)は工場組立時の様子を示したものであり、図3(B)は輸送時の様子を示したものであり、図3(C)は建築地組立時の様子を示したものである。図3(A)に示されるように、建物ユニット60は工場内で組み立てられる。このときには、仮柱38も含まれている。組み立てられた建物ユニット60は、図3(B)に示される状態で、搬送車両で建築地まで搬送される。このとき、仮柱38が取り付けられた状態で建物ユニット60が搬送されることにより、ユニットの形状が保持され、安定した輸送が可能となる。そして、建築地に搬送された建物ユニット60は、図3(C)に示されるように、建築地で順次クレーンで据え付けられていき、ストレートタイプの下階側補強梁48及び上階側補強梁58が挿入配置されてから、仮柱38が撤去されて、最終形状となる。
(Time series of building units)
FIG. 3 shows the state of the building unit 60 in time series. Fig. 3 (A) shows the situation during factory assembly, Fig. 3 (B) shows the situation during transportation, and Fig. 3 (C) shows the situation during assembly of the building. Is. As shown in FIG. 3A, the building unit 60 is assembled in the factory. At this time, the temporary pillar 38 is also included. The assembled building unit 60 is transported to a building site by a transport vehicle in the state shown in FIG. At this time, the building unit 60 is transported with the temporary pillars 38 attached, so that the shape of the unit is maintained and stable transportation is possible. As shown in FIG. 3C, the building unit 60 conveyed to the building site is sequentially installed on the building site with a crane, and the straight lower floor reinforcing beam 48 and the upper floor reinforcing beam 58 are installed. Is inserted and arranged, the temporary pillar 38 is removed and the final shape is obtained.

なお、図3に示した建物ユニット60は図1に示した建物ユニット30と異なり、天井及び床がパネル化されているので、簡単に補足説明すると共に、改めて各部材の名称付けをしておく。   The building unit 60 shown in FIG. 3 is different from the building unit 30 shown in FIG. 1 in that the ceiling and floor are panelized, so that the supplementary explanation will be given briefly and the names of the members will be given again. .

図3に示した建物ユニット60では、矩形枠状に組まれた天井フレーム62と床フレーム64とを備えており、これらの間に3本の柱32と1本の仮柱38が立設される構成となっている。天井フレーム62は四隅に天井仕口部(柱)66を備えており、この天井仕口部66に長さが異なる天井大梁42、44の長手方向の端部が溶接されている。同様に、床フレーム64は四隅に床仕口部(柱)68を備えており、この床仕口部68に長さが異なる床大梁52、54の長手方向の端部が溶接されている。そして、上下に対向して配置された天井仕口部66と床仕口部68との間に、柱32及び仮柱38の上下端部が溶接により剛接合されて及びボルトにより仮固定されて建物ユニット60が構成される。なお、仮柱38は、建築地で取り外し可能なボルト接合によって天井仕口部66及び床仕口部68に固定されている。   The building unit 60 shown in FIG. 3 includes a ceiling frame 62 and a floor frame 64 assembled in a rectangular frame shape, and three pillars 32 and one temporary pillar 38 are erected between them. It is the composition which becomes. The ceiling frame 62 includes ceiling joints (columns) 66 at the four corners, and ends of the ceiling beams 42 and 44 having different lengths are welded to the ceiling joint 66. Similarly, the floor frame 64 includes floor joints (columns) 68 at four corners, and the longitudinal ends of the floor beams 52 and 54 having different lengths are welded to the floor joint 68. The upper and lower ends of the pillar 32 and the temporary pillar 38 are rigidly joined by welding and temporarily fixed with bolts between the ceiling joint part 66 and the floor joint part 68 that are arranged facing each other vertically. A building unit 60 is configured. The temporary pillar 38 is fixed to the ceiling joint portion 66 and the floor joint portion 68 by bolt joints that can be removed in the building area.

(本実施形態に係るユニット建物の全体構成)
図4には、本実施形態に係るユニット建物10の全体構成が分解斜視図で示されている。この図に示されるように、ユニット建物10の一階部分10Aは、合計4個の建物ユニット60によって構成されている。なお、4個の建物ユニット60は隣接して配置されているが、図面を見易くするために桁方向に隣り合う建物ユニット60を離して描いている。
(Overall configuration of unit building according to this embodiment)
FIG. 4 is an exploded perspective view showing the overall configuration of the unit building 10 according to the present embodiment. As shown in this figure, the first floor portion 10 </ b> A of the unit building 10 is configured by a total of four building units 60. In addition, although the four building units 60 are arrange | positioned adjacently, in order to make drawing easy to see, the building units 60 adjacent in the digit direction are drawn apart.

建物ユニット60の配置に際しては、各建物ユニット60が備える仮柱38が建物中央部に配置されるように各建物ユニット60が基礎16上に据え付けられる。上記4個の建物ユニット60が隣接して配置された状態では、二組の対向する天井大梁44の間に妻方向を長手方向とする隙間46が形成され、この隙間46に下階側補強梁48が挿入されて天井大梁44に固定されるようになっている。   When the building units 60 are arranged, the building units 60 are installed on the foundation 16 so that the temporary pillars 38 included in the building units 60 are arranged in the center of the building. In the state where the four building units 60 are arranged adjacent to each other, a gap 46 having the wife direction as a longitudinal direction is formed between two sets of opposed ceiling beams 44, and the lower floor side reinforcing beams are formed in the gap 46. 48 is inserted and fixed to the ceiling beam 44.

二階部分10Bも一階部分10Aと同様に構成されている。但し、二階部分10Bでは、仮柱38を備えていない通常の柱32が4本立設された建物ユニット60が使用される。そして、かかる建物ユニット60が4個隣接して配置された状態では、二組の対向する床大梁54の間に妻方向を長手方向とする隙間56が形成され、この隙間56に上階側補強梁58が挿入されて床大梁54に固定されるようになっている。   The second floor portion 10B is configured similarly to the first floor portion 10A. However, in the second-floor portion 10B, a building unit 60 in which four normal pillars 32 that are not provided with the temporary pillars 38 are erected is used. In a state where four such building units 60 are arranged adjacent to each other, a gap 56 having the wife direction as a longitudinal direction is formed between two sets of opposing floor beams 54, and upper floor side reinforcement is formed in the gap 56. A beam 58 is inserted and fixed to the floor girder 54.

(要部構成:補強梁の構成)
次に、本実施形態の要部である補強梁の構成について詳細に説明する。
(Main part configuration: Configuration of reinforcing beams)
Next, the configuration of the reinforcing beam, which is a main part of the present embodiment, will be described in detail.

図4には、本実施形態に係るユニット建物10の分解斜視図が示されている。また、図5には、当該ユニット建物10の組付状態をユニット高さ方向に切断した状態を示す縦断面図が示されている。さらに、図6には、一階部分10Aの柱レス部40を俯瞰した平面図が示されている。   FIG. 4 shows an exploded perspective view of the unit building 10 according to the present embodiment. FIG. 5 is a longitudinal sectional view showing a state where the unit building 10 is assembled in the unit height direction. Furthermore, the top view which looked down at the pillar-less part 40 of 10 A of 1st floor parts is shown by FIG.

これらの図に示されるように、一階部分10Aの天井大梁44間に形成された隙間46には、ストレートタイプの下階側補強梁48が挿入されている。下階側補強梁48の梁成は、天井大梁44の梁成より僅かに高い高さに設定されている。なお、下階側補強梁48の下端部は天井材80の上面よりも若干上方側に位置されている(図5参照)。また、下階側補強梁48のスパン長は、天井大梁44のスパン長よりも若干短く設定されており、長手方向の中間部が柱レス部40の上方に配置されるように挿入されている(図6参照)。   As shown in these drawings, a straight type lower floor side reinforcing beam 48 is inserted into a gap 46 formed between the ceiling large beams 44 of the first floor portion 10A. The beam formation of the lower floor side reinforcement beam 48 is set to be slightly higher than the beam formation of the ceiling large beam 44. In addition, the lower end part of the lower floor side reinforcement beam 48 is located slightly above the upper surface of the ceiling member 80 (see FIG. 5). The span length of the lower floor side reinforcing beam 48 is set to be slightly shorter than the span length of the ceiling large beam 44 and is inserted so that the middle portion in the longitudinal direction is disposed above the column-less portion 40. (See FIG. 6).

また、図5に示されるように、下階側補強梁48の中央部側及び長手方向の端部側の両面には、平面視でコ字状の下階側接続ブラケット82が溶接によりそれぞれ固着されている。なお、下階側接続ブラケット82は、その両側部82Aの端部が下階側補強梁48の側面に溶接されて一体化されており、組付状態では中央部82Bが天井大梁44にほぼ当接した状態で配置されるようになっている。つまり、下階側補強梁48の板厚と二個の下階側接続ブラケット82の突出量とを足した長さが、対向して配置された天井大梁44の隙間46の間隙寸法に略一致するように寸法設定がなされている。なお、中央部82Bの内側面の上下二箇所には、ウエルドナット84が予め溶着されている。これに対応して、溝形鋼である天井大梁44のウェブにもウエルドナット84と同軸上にボルト挿通孔が形成されており、天井大梁44側からボルト86が挿入されてウエルドナット84に螺合されることにより、下階側補強梁48が桁方向に隣接して配置された天井大梁44に固定されている。   Further, as shown in FIG. 5, a U-shaped lower floor side connection bracket 82 in a plan view is fixed to both surfaces of the central portion side and the longitudinal end portion side of the lower floor side reinforcing beam 48 by welding. Has been. The lower floor side connection bracket 82 is integrated by welding the end portions of both side portions 82A to the side surface of the lower floor side reinforcing beam 48, and in the assembled state, the center portion 82B substantially contacts the ceiling beam 44. They are arranged in contact with each other. That is, the length obtained by adding the plate thickness of the lower floor side reinforcing beam 48 and the protruding amount of the two lower floor side connection brackets 82 substantially matches the gap dimension of the gap 46 of the ceiling beams 44 arranged opposite to each other. The dimensions are set so that Note that weld nuts 84 are welded in advance at two locations on the upper and lower sides of the inner surface of the central portion 82B. Correspondingly, a bolt insertion hole is formed coaxially with the weld nut 84 in the web of the ceiling beam 44 made of channel steel, and a bolt 86 is inserted from the ceiling beam 44 side and screwed into the weld nut 84. By being combined, the lower floor side reinforcing beam 48 is fixed to the ceiling beam 44 arranged adjacent to the beam direction.

一方、二階部分10Bの床大梁54間に形成された隙間56には、ストレートタイプの上階側補強梁58が挿入されている。上階側補強梁58の梁成は、床大梁54の梁成より僅かに高い高さに設定されている。なお、上階側補強梁58の上端部は床材88の下面よりも若干下方側に位置されている。また、上階側補強梁58のスパン長は、床大梁54のスパン長よりも若干短く設定されており(上述した下階側補強梁48のスパン長と同じスパン長とされており)、長手方向の中間部が柱レス部40の上方に配置されるように挿入されている。   On the other hand, a straight type upper floor side reinforcing beam 58 is inserted into a gap 56 formed between the floor large beams 54 of the second floor portion 10B. The beam formation of the upper floor side reinforcement beam 58 is set to be slightly higher than the beam formation of the floor large beam 54. Note that the upper end portion of the upper floor side reinforcement beam 58 is located slightly below the lower surface of the floor material 88. The span length of the upper floor side reinforcing beam 58 is set slightly shorter than the span length of the large floor beam 54 (the span length is the same as the span length of the lower floor side reinforcing beam 48 described above), The middle part of the direction is inserted so as to be arranged above the pillar-less part 40.

また、上階側補強梁58の中央部側及び長手方向の端部側の両面には、側面視でコ字状の上階側第1接続ブラケット90が溶接によりそれぞれ固着されている。また、上階側第1接続ブラケット90は、上階側補強梁58の上部にオフセットして配置されている。なお、上階側第1接続ブラケット90は、その両側部90Aの端部が上階側補強梁58の側面に溶接されて一体化されており、組付状態では中央部90Bが床大梁54にほぼ当接した状態で配置されるようになっている。つまり、上階側補強梁58の板厚(なお、上階側補強梁58の板厚は下階側補強梁48の板厚よりも若干薄く設定されている。)と二個の上階側第1接続ブラケット90の突出量とを足した長さが、対向して配置された床大梁54の隙間56の間隙寸法に略一致するように寸法設定がなされている。なお、両側部90Aには、ユニット高さ方向に同軸上とされたボルト挿通孔が形成されている。   In addition, a U-shaped upper floor side first connection bracket 90 is fixed to each of both the central portion side of the upper floor side reinforcing beam 58 and the end portion side in the longitudinal direction by welding in a side view. Further, the upper floor side first connection bracket 90 is disposed offset from the upper part of the upper floor side reinforcing beam 58. The upper floor side first connection bracket 90 is integrated by welding the end portions of both side portions 90A to the side surface of the upper floor side reinforcing beam 58, and in the assembled state, the central portion 90B becomes the floor large beam 54. It is arranged so that it is almost in contact. That is, the plate thickness of the upper floor side reinforcement beam 58 (note that the plate thickness of the upper floor side reinforcement beam 58 is set slightly smaller than the plate thickness of the lower floor side reinforcement beam 48) and the two upper floor sides. The dimension is set so that the length obtained by adding the protruding amount of the first connection bracket 90 substantially coincides with the gap dimension of the gap 56 of the floor girder 54 arranged to face each other. Note that bolt insertion holes that are coaxial with each other in the unit height direction are formed on both side portions 90A.

上記構成の上階側第1接続ブラケット90に対応して、床大梁54のウェブには、側面視でコ字状の上階側第2接続ブラケット92が溶接によりそれぞれ固着されている。この上階側第2接続ブラケット92の突出量は、上階側第1接続ブラケット90の突出量よりも少なく設定されている。また、上階側第2接続ブラケット92は、床大梁54のウェブの中間部に配置されている。なお、上階側第2接続ブラケット92は、その両側部92Aの端部が床大梁54の側面に溶接されて一体化されており、組付状態では中央部92Bが上階側補強梁58に対向した状態で離間して配置されるようになっている。また、両側部92Aには、上階側第1接続ブラケット90に形成されたボルト挿通孔と同軸上にユニット高さ方向にボルト挿通孔が形成されている。さらに、上階側第2接続ブラケット92の下側の側部92Aの下面には、ボルト挿通孔の周囲にウエルドナット94が予め溶着されている。   Corresponding to the upper floor side first connection bracket 90 having the above-described configuration, the upper floor side second connection bracket 92 having a U-shape in a side view is fixed to the web of the floor beam 54 by welding. The protrusion amount of the upper floor side second connection bracket 92 is set to be smaller than the protrusion amount of the upper floor side first connection bracket 90. Further, the upper floor side second connection bracket 92 is disposed at the intermediate portion of the web of the floor girder 54. The upper floor side second connection bracket 92 is integrated by welding the end portions of both side portions 92A to the side surface of the floor large beam 54, and in the assembled state, the central portion 92B becomes the upper floor side reinforcing beam 58. It is arranged so as to be spaced apart in an opposed state. Further, on both side portions 92A, bolt insertion holes are formed in the unit height direction coaxially with the bolt insertion holes formed in the upper floor side first connection bracket 90. Furthermore, a weld nut 94 is welded in advance around the bolt insertion hole on the lower surface of the lower side portion 92A of the upper floor side second connection bracket 92.

ユニット組付後の状態では、上階側第2接続ブラケット92の上側の側部92Aの上面(座面)が水平方向に向けられており、かかる上面に上階側第1接続ブラケット90の下側の側部90Aの下面が当接することにより、上階側補強梁58の組付位置の位置決めがなされるようになっている。また、上階側補強梁58の組付に際しては、ボルト96が隙間56の上方側から上階側第1接続ブラケット90及び上階側第2接続ブラケット92のボルト挿通孔内へ挿入されてウエルドナット94に螺合されることにより、床大梁54に固定されるようになっている。さらに、下階側補強梁48及び上階側補強梁58の組付後の状態では、上階側補強梁58の下端部と下階側補強梁48の上端部との間に若干隙間98が形成されるように下階側補強梁48及び上階側補強梁58の梁成が設定されている。   In the state after the unit is assembled, the upper surface (seat surface) of the upper side portion 92A of the upper floor side second connection bracket 92 is directed horizontally, and the upper floor side first connection bracket 90 is below the upper surface. When the lower surface of the side portion 90A comes into contact, the assembly position of the upper floor side reinforcing beam 58 is positioned. Further, when the upper floor side reinforcing beam 58 is assembled, the bolt 96 is inserted into the bolt insertion holes of the upper floor side first connection bracket 90 and the upper floor side second connection bracket 92 from above the gap 56 so as to weld. By being screwed into the nut 94, the nut is fixed to the floor beam 54. Further, in the state after the lower floor side reinforcing beam 48 and the upper floor side reinforcing beam 58 are assembled, there is a slight gap 98 between the lower end portion of the upper floor side reinforcing beam 58 and the upper end portion of the lower floor side reinforcing beam 48. The beam formation of the lower floor side reinforcing beam 48 and the upper floor side reinforcing beam 58 is set so as to be formed.

(作用・効果)
次に、本実施形態の作用並びに効果について説明する。
(Action / Effect)
Next, the operation and effect of this embodiment will be described.

本実施形態に係るユニット建物10は、以下の手順で構築される。   The unit building 10 according to the present embodiment is constructed by the following procedure.

まず、図3に示されるように、建物ユニット60が仮柱38を備えた状態で工場から建築地へ輸送され、この状態でクレーンを使って基礎16(図1及び図4参照)上に順次据え付けられていく。これにより、ユニット建物10の一階部分10Aが構築される。このとき、仮柱38が建物中央側に集まるように建物ユニット60が配置される。また、ユニット据付後の状態では、桁方向に隣接する建物ユニット60の天井大梁44間に所定の隙間46が形成される。   First, as shown in FIG. 3, the building unit 60 is transported from the factory to the building site with the provisional pillar 38, and in this state, the crane is used to sequentially place on the foundation 16 (see FIGS. 1 and 4). It will be installed. Thereby, the first floor portion 10A of the unit building 10 is constructed. At this time, the building unit 60 is arranged so that the temporary pillars 38 gather on the center side of the building. Further, in a state after the unit is installed, a predetermined gap 46 is formed between the ceiling beams 44 of the building units 60 adjacent in the girder direction.

次に、図4に示されるように、一階部分10Aの天井大梁44間の隙間46に下階側補強梁48が上方(・下方・横方向の任意方向)から挿入されて固定される。具体的には、下階側補強梁48の両側面には、工場で予め下階側接続ブラケット82が片面4個ずつ取り付けられており、かかる下階側補強梁48を、両面の下階側接続ブラケット82の中央部82Bの裏面にあるウエルドナット84が天井大梁44のボルト挿通孔と同軸上になるように隙間46内へ挿入し、天井大梁44側からボルト86をウエルドナット84へ螺合させることにより、下階側補強梁48が対向して配置された天井大梁44に固定される。なお、上記の如くして、下階側補強梁48を隙間46に挿入して天井大梁44に固定した後、柱レス部40の天井仕口部34同士が連結部材(ドッキングプレート)によって水平方向に相互に連結される。   Next, as shown in FIG. 4, the lower floor side reinforcing beam 48 is inserted into the gap 46 between the large ceiling beams 44 of the first floor portion 10 </ b> A from the upper side (in any direction in the lower and lateral directions) and fixed. Specifically, four lower floor side connection brackets 82 are attached in advance to each side surface of the lower floor side reinforcing beam 48 at each factory, and the lower floor side reinforcing beam 48 is connected to the lower floor side of both surfaces. The weld nut 84 on the back surface of the central portion 82B of the connection bracket 82 is inserted into the gap 46 so as to be coaxial with the bolt insertion hole of the ceiling large beam 44, and the bolt 86 is screwed into the weld nut 84 from the ceiling large beam 44 side. By doing so, the lower floor side reinforcing beam 48 is fixed to the ceiling large beam 44 arranged to face each other. In addition, as described above, after the lower floor side reinforcing beam 48 is inserted into the gap 46 and fixed to the ceiling beam 44, the ceiling joint portions 34 of the column-less portion 40 are horizontally aligned by the connecting member (docking plate). Connected to each other.

次に、ユニット建物10の二階部分10Bが構築される。すなわち、前記と同様にして仮柱38を備えていない通常の建物ユニット60が必要個数分だけ一階部分10Aの建物ユニット60上に据え付けられていく。ユニット据付後の状態では、桁方向に隣接する建物ユニット60の床大梁54間に所定の隙間56が形成される。なお、二階側に配置される建物ユニット60の床大梁54の外側面には、工場で予め上階側第2接続ブラケット92が取り付けられている。   Next, the second floor portion 10B of the unit building 10 is constructed. That is, the same number of ordinary building units 60 that are not provided with the temporary pillars 38 are installed on the building unit 60 of the first floor portion 10A by the required number. In a state after the unit is installed, a predetermined gap 56 is formed between the floor beams 54 of the building units 60 adjacent in the girder direction. In addition, the upper floor side 2nd connection bracket 92 is previously attached to the outer surface of the floor big beam 54 of the building unit 60 arrange | positioned at the 2nd floor side at a factory.

次に、図4及び図5に示されるように、二階部分10Bの床大梁54間の隙間56に、工場で予め両面に上階側第1接続ブラケット90が取り付けられた上階側補強梁58が、上方側から落とし込まれる(挿入される)。上階側補強梁58を隙間56の上方側から挿入すると、上階側補強梁58に固着された上階側第1接続ブラケット90が床大梁54の上階側第2接続ブラケット92に係止されると同時に、上階側補強梁58の組付位置が位置決めされる。その後、上階側第1接続ブラケット90の上方側からボルト96をウエルドナット94へ螺合させることにより、上階側補強梁58が対向して配置された床大梁54に固定される。   Next, as shown in FIG. 4 and FIG. 5, the upper floor side reinforcing beam 58 in which the upper floor side first connection bracket 90 is attached to both surfaces in advance at the factory in the gap 56 between the floor large beams 54 of the second floor portion 10B. Is dropped (inserted) from above. When the upper floor side reinforcing beam 58 is inserted from above the gap 56, the upper floor side first connection bracket 90 fixed to the upper floor side reinforcing beam 58 is locked to the upper floor side second connection bracket 92 of the floor large beam 54. At the same time, the assembly position of the upper floor side reinforcing beam 58 is positioned. Thereafter, the bolt 96 is screwed into the weld nut 94 from the upper side of the upper floor side first connection bracket 90, whereby the upper floor side reinforcing beam 58 is fixed to the opposed floor large beam 54.

その後、仮柱38が順次撤去される。これにより、ユニット境界を越えた(ワイドスパンの)連続した広い空間50が一階部分10Aに形成される。   Thereafter, the temporary pillars 38 are sequentially removed. As a result, a continuous wide space 50 (wide span) beyond the unit boundary is formed in the first floor portion 10A.

このように本実施形態に係るユニット建物10では、一階部分10Aに柱レス部40が設けられる構成において、二階部分10Bの床大梁54間の隙間56に上階側補強梁58を挿入及び固定することにより、二階部分10Bの建物ユニット60からの荷重が柱レス部40に入らないようにしている。   As described above, in the unit building 10 according to the present embodiment, in the configuration in which the column-less portion 40 is provided in the first floor portion 10A, the upper floor side reinforcing beams 58 are inserted and fixed in the gaps 56 between the large floor beams 54 of the second floor portion 10B. By doing so, the load from the building unit 60 of the second floor portion 10 </ b> B is prevented from entering the pillar-less portion 40.

また、上階側補強梁58の梁成が床大梁54の梁成と略同一に設定されているため、上下階に亘る梁成を有する補強梁を設置する従来構造に比し、補強梁が小型軽量化される。従って、搬送車両を使った輸送上の制約が少なくなり、搬送性(輸送効率)が向上される。また、小型軽量化された分、組付作業もやり易くなる。   In addition, since the beam formation of the upper floor side reinforcement beam 58 is set to be substantially the same as the beam formation of the floor large beam 54, the reinforcement beam is less than the conventional structure in which the reinforcement beam having the beam formation over the upper and lower floors is installed. Smaller and lighter. Accordingly, there are fewer restrictions on transportation using the transport vehicle, and transportability (transport efficiency) is improved. In addition, assembling work becomes easier due to the reduction in size and weight.

以上を総括すると、本実施形態に係るユニット建物10によれば、ユニット境界を越える広い空間50を確保でき、しかも補強梁の搬送性及び組付作業性を向上させることができる。   Summarizing the above, according to the unit building 10 according to the present embodiment, it is possible to secure a wide space 50 beyond the unit boundary, and to improve the transportability and assembly workability of the reinforcing beams.

その他にも、本実施形態に係るユニット建物10によれば、以下に列挙する効果が得られる。   In addition, according to the unit building 10 which concerns on this embodiment, the effect enumerated below is acquired.

(1) 上階側補強梁58のスパン長が、柱レス部40上方を通ることが可能な長さ(対向する床大梁54同士を連結することが可能な長さ)以上でかつ隙間46の長手方向に隣接する建物ユニット60の二辺分の長さよりも短く設定されているため(より具体的には、上階側補強梁58のスパン長が、柱レス部40の近傍両側と各床大梁54の長手方向の中間部の合計四箇所で固定できる程度の長さに設定されているため)、隣接する建物ユニットの外側の柱同士を繋ぐスパン長を有する補強梁を用いる従来構造に比し、補強梁が更に小型軽量化される。その結果、本実施形態によれば、補強梁の搬送性及び組付作業性をより一層向上させることができる。   (1) The span length of the upper floor side reinforcing beam 58 is not less than the length that allows the upper portion of the column-less portion 40 to pass (the length that allows the opposing floor beams 54 to be connected to each other) and the gap 46 Since the length is set shorter than the length of two sides of the building unit 60 adjacent in the longitudinal direction (more specifically, the span length of the upper floor side reinforcing beam 58 is set on both sides in the vicinity of the column-less portion 40 and each floor. This is set to a length that can be fixed at a total of four locations in the middle of the longitudinal direction of the girder 54), compared to the conventional structure that uses a reinforcing beam with a span length that connects the columns on the outside of adjacent building units. In addition, the reinforcing beam is further reduced in size and weight. As a result, according to the present embodiment, the transportability and assembly workability of the reinforcing beam can be further improved.

なお、上階側補強梁58は前記の如く柱レス部40の上方(近傍両側)と各床大梁54の長手方向の中間部の合計四箇所で固定されるため、スパン長が短くても、上階側補強梁58の取付強度は充分に確保される。   In addition, since the upper floor side reinforcing beams 58 are fixed at a total of four places above the column-less portions 40 (on both sides in the vicinity) and the middle portion in the longitudinal direction of each floor beam 54 as described above, even if the span length is short, The mounting strength of the upper floor side reinforcing beam 58 is sufficiently secured.

(2) 上階側補強梁58には上階側第1接続ブラケット90が設けられており、又床大梁54からは上階側第2接続ブラケット92が設けられており、上階側補強梁58を隙間56の上方側から落とし込むことにより、上階側第1接続ブラケット90が上階側第2接続ブラケット92に係止されて上階側補強梁58の組付位置の位置決めがなされる構成としたので、上階側補強梁58の組付作業を二階部分10Bの建物ユニット60の内部から下向き作業で行うことができる。その結果、本実施形態によれば、上階側補強梁58の組付作業性を一段と向上させることができる。   (2) The upper floor side reinforcing beam 58 is provided with an upper floor side first connection bracket 90, and the upper floor side beam 54 is provided with an upper floor side second connection bracket 92. By dropping 58 from the upper side of the gap 56, the upper floor side first connection bracket 90 is locked to the upper floor side second connection bracket 92, and the assembly position of the upper floor side reinforcing beam 58 is positioned. Therefore, the assembling work of the upper floor side reinforcing beam 58 can be performed downward from the inside of the building unit 60 of the second floor portion 10B. As a result, according to this embodiment, the workability of assembling the upper floor side reinforcing beam 58 can be further improved.

(3) さらに、上下に重ねられた上階側第1接続ブラケット90と上階側第2接続ブラケット92とを隙間56の上方側からボルト96及びウエルドナット94で締結することにより、上階側補強梁58を床大梁54に固定することができる。従って、上階側補強梁58の挿入方向とボルト96の締結方向とが同じになる。その結果、本実施形態によれば、狭い隙間56にあって上階側補強梁58の組付作業を効率良く迅速に行うことができる。但し、締結作業を下階側の建物ユニット側から行うようにしてもよい。   (3) Further, the upper floor side first connection bracket 90 and the upper floor side second connection bracket 92, which are stacked one above the other, are fastened with bolts 96 and weld nuts 94 from the upper side of the gap 56, so that the upper floor side The reinforcing beam 58 can be fixed to the floor beam 54. Therefore, the insertion direction of the upper floor side reinforcing beam 58 and the fastening direction of the bolt 96 are the same. As a result, according to the present embodiment, the assembling work of the upper floor side reinforcing beam 58 in the narrow gap 56 can be performed efficiently and promptly. However, the fastening operation may be performed from the building unit side on the lower floor side.

(4) 二階部分10Bの床大梁54間の隙間56に上階側補強梁58を挿入及び固定するだけでなく、一階部分10Aの天井大梁44間の隙間46に板厚の厚い下階側補強梁48を挿入及び固定したので、即ち、補強梁を上下階で二分割し完全な独立型としたので、柱レス部40が形成される一階部分10Aにおける天井大梁44の柱レス部40が直接的に補強される。   (4) Not only is the upper floor side reinforcing beam 58 inserted and fixed in the gap 56 between the large floor beams 54 of the second floor portion 10B, but also the lower floor side where the plate thickness is thick in the clearance 46 between the ceiling large beams 44 of the first floor portion 10A. Since the reinforcing beam 48 is inserted and fixed, that is, the reinforcing beam is divided into two parts on the upper and lower floors to be completely independent, the column-less portion 40 of the ceiling beam 44 in the first floor portion 10A where the column-less portion 40 is formed. Is directly reinforced.

しかも、組付後の状態では下階側補強梁48は上階側補強梁58に対して僅かな隙間98が設定されて非接触に配置されるため、二階部分10Bの建物ユニット60の荷重が一階部分10Aの建物ユニット60の柱レス部40に直接伝達されることはない。従って、その分、下階側補強梁48の強度を落とすことができ、下階側補強梁48の軽量化を図ることができる。   Moreover, in the state after assembly, the lower floor side reinforcing beam 48 is arranged in a non-contact manner with a slight gap 98 set against the upper floor side reinforcing beam 58, so that the load of the building unit 60 of the second floor portion 10B is reduced. It is not directly transmitted to the pillar-less portion 40 of the building unit 60 of the first floor portion 10A. Therefore, the strength of the lower floor side reinforcing beam 48 can be reduced correspondingly, and the weight of the lower floor side reinforcing beam 48 can be reduced.

よって、本実施形態によれば、必要最小限の重量で柱レス部40を充分に補強することができる。   Therefore, according to the present embodiment, the column-less portion 40 can be sufficiently reinforced with the minimum necessary weight.

(5) また、下階側補強梁48のスパン長が、柱レス部40を通ることが可能な長さ(対向する天井大梁44同士を連結することが可能な長さ)以上でかつ隙間46の長手方向に隣接する建物ユニット60の二辺分の長さよりも短く設定されているため(より具体的には、柱レス部40の近傍両側と各天井大梁44の長手方向の中間部の合計四箇所で固定できる程度の長さに設定されているため)、隣接する建物ユニットの外側の柱同士を繋ぐスパン長を有する補強梁を用いる従来構造に比し、補強梁が更に小型軽量化される。その結果、本実施形態によれば、補強梁の搬送性及び組付作業性をより一層向上させることができる。   (5) Further, the span length of the lower floor side reinforcing beam 48 is equal to or longer than the length that allows the column-less portion 40 to pass (the length that allows the opposing ceiling beams 44 to be connected), and the gap 46. Is set shorter than the length of two sides of the building unit 60 adjacent to each other in the longitudinal direction (more specifically, the total of both sides in the vicinity of the column-less portion 40 and the intermediate portion in the longitudinal direction of each ceiling beam 44) Because it is set to a length that can be fixed at four locations), the reinforcing beam is further reduced in size and weight compared to the conventional structure that uses a reinforcing beam with a span length that connects the outer columns of adjacent building units. The As a result, according to the present embodiment, the transportability and assembly workability of the reinforcing beam can be further improved.

なお、下階側補強梁48は前記の如く柱レス部40の近傍両側と各天井大梁44の長手方向の中間部の合計四箇所で固定されるため、スパン長が短くても、下階側補強梁48の取付強度は充分に確保される。   Since the lower floor side reinforcement beams 48 are fixed at a total of four locations on both sides in the vicinity of the column-less portion 40 and the longitudinal middle portion of each ceiling beam 44 as described above, even if the span length is short, the lower floor side The mounting strength of the reinforcing beam 48 is sufficiently secured.

〔本実施形態の補足説明〕
以下に、本実施形態の補足説明をする。
[Supplementary explanation of this embodiment]
Below, supplementary explanation of this embodiment is given.

(1) 本実施形態では、一般住宅に対して本発明を適用したが、これに限らず、他の用途(商業的用途、工業的用途、農業的用途、福祉施設・公共施設等の非営利目的の行政的用途を含む)に対して本発明を用いてもよい。   (1) In this embodiment, the present invention is applied to a general house. However, the present invention is not limited to this, and other uses (commercial use, industrial use, agricultural use, non-profit such as welfare facilities / public facilities, etc.) The present invention may be used for (including intended administrative uses).

(2) 本実施形態では、下階側補強梁48及び上階側補強梁58のスパン長を短くしたが、これに限らず、隣接する建物ユニット60の外側の柱32間に亘るスパン長を有する補強梁を用いてもよい。   (2) In this embodiment, the span length of the lower floor side reinforcement beam 48 and the upper floor side reinforcement beam 58 is shortened. However, the span length between the outer pillars 32 of the adjacent building units 60 is not limited to this. You may use the reinforcing beam which has.

(3) 本実施形態では、二階建てのユニット建物10に対して本発明を適用したが、これに限らず、三階建てのユニット建物に対して本発明を適用してもよい。   (3) In the present embodiment, the present invention is applied to the two-story unit building 10. However, the present invention is not limited thereto, and the present invention may be applied to a three-story unit building.

(4) 本実施形態では、上階側補強梁58の梁成を床大梁54の梁成と略同一に設定したが、これに限らず、上階側補強梁の梁成を床大梁54の梁成より長く設定し、かつ当該上階側補強梁の上縁は上階側の床材88の上面より上方へは突出せず、当該上階側補強梁の下縁は上階側の建物ユニット60の床大梁54の下縁(下フランジ)よりも下方へ突出して配置するようにしてもよい。つまり、図5を用いて説明すると、図5に示された実施形態では、上階側の床大梁54と下階側の天井大梁44とが上下に近接して配置されているが、ユニット建物によっては上階側の床大梁54と下階側の天井大梁44との間にある程度の隙間(例えば、200mm程度の空間)が設けられているものもある。このような場合には、上階側補強梁の梁成を下方へ延長してその空間内に延在させることも可能である。そうすることにより、上階側補強梁の断面係数が大きくなるため、上階側補強梁の補強性能が上がるメリットが生じる。さらに、仮に図5図示の構成よりも、下階側補強梁48の梁成が低ければ、上記の空間が存在するか否かに拘わらず、上階側補強梁の下縁を下方へ延長させて下階側の天井大梁44間の隙間に進入した状態で配置することも可能である。   (4) In this embodiment, the beam formation of the upper floor side reinforcement beam 58 is set to be substantially the same as the beam formation of the floor large beam 54, but not limited to this, the beam formation of the upper floor side reinforcement beam 54 It is set longer than the beam, and the upper edge of the upper floor side reinforcing beam does not protrude upward from the upper surface of the floor material 88 on the upper floor side, and the lower edge of the upper floor side reinforcing beam is the building on the upper floor side. You may make it arrange | position so that it may protrude below the lower edge (lower flange) of the floor big beam 54 of the unit 60. FIG. That is, using FIG. 5, in the embodiment shown in FIG. 5, the upper floor side beam 54 and the lower floor side ceiling beam 44 are arranged close to each other in the vertical direction. In some cases, a certain gap (for example, a space of about 200 mm) is provided between the upper floor beam 54 and the lower ceiling beam 44. In such a case, it is also possible to extend the beam formation of the upper floor side reinforcing beam downward and extend into the space. By doing so, since the section modulus of the upper floor side reinforcing beam is increased, there is a merit that the reinforcing performance of the upper floor side reinforcing beam is improved. Furthermore, if the lower-level reinforcing beam 48 is lower than the configuration shown in FIG. 5, the lower edge of the upper-level reinforcing beam is extended downward regardless of whether the above space exists. It is also possible to arrange them in a state of entering the gap between the ceiling beams 44 on the lower floor side.

本実施形態に係るユニット建物の基本構成(前提となる構成)を示す斜視図である。It is a perspective view which shows the basic composition (premise composition) of the unit building concerning this embodiment. 図1との対比において従来例に係るユニット建物の基本構成を示す斜視図である。It is a perspective view which shows the basic composition of the unit building which concerns on a prior art example in contrast with FIG. 図1に示される建物ユニットの様子を時系列で示す斜視図であり、(A)は工場組立時、(B)は輸送時、(C)は建築地組立時をそれぞれ現している。It is a perspective view which shows the mode of the building unit shown by FIG. 1 in a time series, (A) at the time of a factory assembly, (B) at the time of transport, (C) represents the time at the time of construction site assembly, respectively. 本実施形態に係るユニット建物の全体構成を示す分解斜視図である。It is a disassembled perspective view which shows the whole structure of the unit building which concerns on this embodiment. 本実施形態に係るユニット建物の組付状態をユニット高さ方向に切断した状態を示す縦断面図である。It is a longitudinal cross-sectional view which shows the state which cut | disconnected the assembly state of the unit building which concerns on this embodiment in the unit height direction. 組付状態の一階部分の柱レス部を俯瞰した平面図である。It is the top view which looked down at the pillar less part of the 1st floor part of an assembly state.

符号の説明Explanation of symbols

10 ユニット建物
10A 一階部分(下階側)
10B 二階部分(上階側)
30 建物ユニット
32 柱
38 仮柱
40 柱レス部(柱集合撤去部)
44 天井大梁
46 隙間
48 下階側補強梁
50 空間
54 床大梁
56 隙間
58 上階側補強梁
60 建物ユニット
90 上階側第1接続ブラケット(補強梁側ブラケット)
92 下階側第2接続ブラケット(床大梁側ブラケット)
94 ウエルドナット(締結具)
96 ボルト(締結具)
98 隙間
10 Unit building 10A 1st floor (lower floor)
10B Second floor part (upper floor side)
30 Building unit 32 Column 38 Temporary column 40 Column-less part (Pole assembly removal part)
44 ceiling beam 46 gap 48 lower floor reinforcement beam 50 space 54 floor beam 56 gap 58 upper floor reinforcement beam 60 building unit 90 upper floor side first connection bracket (reinforcement beam side bracket)
92 Second floor side second connection bracket (floor beam side bracket)
94 Weld Nut (Fastener)
96 bolts (fasteners)
98 Clearance

Claims (7)

複数の建物ユニットによって複数階建てに構成されるユニット建物において、下階側の複数の建物ユニットのうち、一部の建物ユニットの一部の柱が取り外し可能な仮柱によって構成された建物ユニットを、当該仮柱同士が隣接するように複数個配置し、かつ当該仮柱が撤去される仮柱集合撤去部を形成することにより下階側に連続した広い空間が形成されるユニット建物であって、
仮柱集合撤去部を形成する下階側の建物ユニット上に載置される上階側の建物ユニットにおいて下階側の建物ユニットの仮柱集合撤去部上方を通り所定の隙間をあけて対向して配置された上階側の建物ユニットの床大梁を連結するように上階側補強梁を当該床大梁に固定し、
さらに、前記上階側補強梁からはブラケット高さが当該上階側補強梁の高さよりも低くかつ座面が水平方向に向けられた補強梁側ブラケットが設けられていると共に、
前記床大梁からはブラケット高さが当該床大梁の高さよりも低くかつ座面が水平方向に向けられた床大梁側ブラケットが設けられ、
前記上階側補強梁を前記隙間の上方側から落とし込むことにより、補強梁側ブラケットが床大梁側ブラケットに係止されて上階側補強梁の組付位置の位置決めがなされる、
ことを特徴とするユニット建物。
In a unit building composed of a plurality of floors by a plurality of building units, a building unit composed of temporary pillars in which some of the building units of the plurality of building units on the lower floor side are removable. A unit building in which a plurality of temporary columns are arranged adjacent to each other, and a continuous space is formed on the lower floor side by forming a temporary column assembly removal part from which the temporary columns are removed. ,
The upper-floor building unit placed on the lower-floor building unit that forms the temporary-pillar assembly removal section is opposed to the lower-floor building unit above the temporary-column assembly removal section with a predetermined gap. the upper floor side reinforcing beam so as to connect the floor girder Kaigawa building units after being arranged Te secured to the floor girder,
Further, the upper floor side reinforcing beam is provided with a reinforcing beam side bracket whose bracket height is lower than the height of the upper floor side reinforcing beam and the seat surface is directed in the horizontal direction,
From the floor girder, there is provided a floor girder side bracket in which the bracket height is lower than the height of the floor girder and the seating surface is horizontally oriented,
By dropping the upper floor side reinforcing beam from the upper side of the gap, the reinforcing beam side bracket is locked to the floor large beam side bracket, and the assembly position of the upper floor side reinforcing beam is positioned.
A unit building characterized by that.
前記上階側補強梁の梁成は、前記床大梁の梁成と略同一に設定されている、
ことを特徴とする請求項1記載のユニット建物。
The beam formation of the upper floor side reinforcing beam is set to be substantially the same as the beam formation of the floor large beam,
The unit building according to claim 1.
前記上階側補強梁の梁成は前記床大梁の梁成より長く設定されており、かつ当該上階側補強梁の上縁は上階側の床上には突出せず、当該上階側補強梁の下縁は上階側の建物ユニットの床大梁の下縁よりも下方へ突出して配置されている、
ことを特徴とする請求項1記載のユニット建物。
The beam of the upper floor side reinforcing beam is set longer than the beam of the floor large beam, and the upper edge of the upper floor side reinforcing beam does not protrude on the floor of the upper floor side, and the upper floor side reinforcing beam The lower edge of the beam is arranged to protrude downward from the lower edge of the floor beam of the building unit on the upper floor side.
The unit building according to claim 1.
前記上階側補強梁のスパン長は、前記上階側の建物ユニットの床大梁を連結できる長さ以上でかつ隣接する建物ユニットの二辺分の長さよりも短く設定されており、
さらに、当該上階側補強梁を前記仮柱集合撤去部上方と床大梁の中間部付近の少なくとも二箇所で固定した、
ことを特徴とする請求項1乃至請求項3のいずれか一項に記載のユニット建物。
The span length of the upper floor side reinforcing beam is set to be equal to or longer than the length capable of connecting the floor beams of the upper floor side building unit and shorter than the length of two sides of the adjacent building unit,
Furthermore, the upper floor side reinforcing beam was fixed at least two places above the temporary column assembly removal part and near the middle part of the floor beam.
The unit building according to any one of claims 1 to 3, wherein the unit building is characterized.
上下に重ねられた前記補強梁側ブラケットと前記床大梁側ブラケットとを前記隙間の上方又は下方側から締結具で締結した、
ことを特徴とする請求項1乃至請求項4のいずれか一項に記載のユニット建物。
The reinforcing beam side bracket and the floor large beam side bracket, which are stacked one above the other, are fastened with a fastener from above or below the gap,
The unit building according to any one of claims 1 to 4, wherein the unit building is characterized.
下階側の建物ユニットにおいて仮柱集合撤去部近傍を通り所定の隙間をあけて対向して配置された天井大梁間の隙間に、梁成が当該天井大梁の梁成と略同一に設定されると共に組付後の状態では前記上階側補強梁に対して非接触に配置される下階側補強梁を挿入して当該天井大梁に固定した、
ことを特徴とする請求項1乃至請求項5のいずれか一項に記載のユニット建物。
In the building unit on the lower floor side, the beam formation is set to be approximately the same as the beam formation of the ceiling beam in the gap between the ceiling beams arranged in the vicinity of the temporary column assembly removal portion and facing each other with a predetermined gap. And in the state after assembly, the lower floor side reinforcing beam arranged in a non-contact manner with respect to the upper floor side reinforcing beam is inserted and fixed to the ceiling beam.
The unit building according to any one of claims 1 to 5 , wherein the unit building is characterized in that
前記下階側補強梁のスパン長は、前記下階側の建物ユニットの天井大梁を連結できる長さ以上でかつ隣接する建物ユニットの二辺分の長さよりも短く設定されており、
さらに、当該下階側補強梁を前記仮柱集合撤去部近傍と天井大梁の中間部付近の少なくとも二箇所で固定した、
ことを特徴とする請求項6記載のユニット建物。
The span length of the lower floor side reinforcing beams is set to be equal to or longer than the length capable of connecting the ceiling beams of the lower floor side building units and shorter than the length of two sides of adjacent building units,
Further, the lower floor side reinforcing beams were fixed at least in two places near the temporary column assembly removal portion and the middle portion of the ceiling beam.
The unit building according to claim 6 .
JP2006054991A 2006-03-01 2006-03-01 Unit building Active JP4591384B2 (en)

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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001348958A (en) * 1995-02-10 2001-12-21 Sekisui Chem Co Ltd Unit building and construction method therefor
JP2002030728A (en) * 2000-07-17 2002-01-31 Misawa Homes Co Ltd Unit building

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001348958A (en) * 1995-02-10 2001-12-21 Sekisui Chem Co Ltd Unit building and construction method therefor
JP2002030728A (en) * 2000-07-17 2002-01-31 Misawa Homes Co Ltd Unit building

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