JP4346542B2 - Building construction method - Google Patents
Building construction method Download PDFInfo
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- JP4346542B2 JP4346542B2 JP2004356796A JP2004356796A JP4346542B2 JP 4346542 B2 JP4346542 B2 JP 4346542B2 JP 2004356796 A JP2004356796 A JP 2004356796A JP 2004356796 A JP2004356796 A JP 2004356796A JP 4346542 B2 JP4346542 B2 JP 4346542B2
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- 238000000034 method Methods 0.000 title claims description 14
- 238000009435 building construction Methods 0.000 title claims description 10
- 229910000831 Steel Inorganic materials 0.000 claims description 41
- 239000010959 steel Substances 0.000 claims description 41
- 238000010276 construction Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
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Description
本発明は、既存建物のうち少なくとも既存杭を残して前記既存建物を撤去し、その撤去した既存建物の跡に新設建物を構築する建物構築方法に関する。 The present invention relates to a building construction method that removes at least an existing pile from existing buildings and removes the existing building, and constructs a new building on the trace of the removed existing building.
このような建物構築方法は、既存建物の跡に新設建物を構築するに際し、少なくとも既存杭を再利用することによって工期の短縮やコストの低減などを図るもので、従来、既存杭や既存基礎梁などを残して既存建物を撤去し、既存杭と既存杭の間に新たに新設杭を打設して、その新設杭と既存基礎梁の上に新設建物を構築する方法が知られている（例えば、特許文献１参照）。
また、既存地下躯体である既存基礎底盤およびその上面に一体構築された既存基礎梁を残し、さらに、既存基礎梁上の地下柱や地下２階の床なども残して既存建物を撤去し、地下２階の床の上に新設基礎梁を構築するとともに、その新設基礎梁上に新設柱を立設して新設建物を構築する方法も知られている（例えば、特許文献２参照）。
Such a building construction method is intended to shorten the construction period and reduce costs by reusing at least existing piles when building a new building on the existing building. The existing building is removed, and a new pile is placed between the existing pile and the new pile is built on the existing pile and the existing foundation beam. For example, see Patent Document 1).
In addition, the existing foundation floor, which is an existing underground frame, and the existing foundation beam integrated on the upper surface of the existing foundation beam will be left, and the existing building will be removed with the underground pillar on the existing foundation beam and the second floor floor remaining. A method is also known in which a new foundation beam is constructed on the floor of the second floor, and a new building is constructed by erecting a new pillar on the new foundation beam (see, for example, Patent Document 2).
しかし、上記特許文献１に記載の方法では、既存杭と既存杭の間に新たに新設杭を打設して新設建物を構築するため、新設杭の打設位置が既存杭により制約され、その結果、新設建物の柱位置も制約を受けて、新設建物の設計自由度が低下するという問題がある。
同様に、上記特許文献２に記載の方法でも、新設柱の構築位置が既存の地下柱により制約されるため、やはり新設建物の設計自由度が低下するという問題がある。
However, in the method described in the above-mentioned Patent Document 1, in order to construct a new building by newly placing a new pile between the existing pile and the existing pile, the placement position of the new pile is restricted by the existing pile, As a result, the column position of the new building is also restricted, and there is a problem that the degree of freedom in designing the new building is reduced.
Similarly, the method described in
本発明は、このような従来の問題点に着目したもので、その目的は、少なくとも既存杭を再利用することによって工期の短縮やコストの低減などを図りながら、新設建物の設計自由度が再利用する既存杭によって大きく制約を受けることのない建物構築方法を提供することにある。 The present invention pays attention to such conventional problems, and its purpose is to redesign the new building while at least reducing the construction period and cost by reusing existing piles. It is to provide a building construction method that is not greatly restricted by the existing piles to be used.
本発明の第１の特徴構成は、既存建物のうち少なくとも既存杭を残して前記既存建物を撤去し、その撤去した既存建物の跡に新設建物を構築する建物構築方法であって、既存基礎構造物として前記既存杭と共に既存基礎梁を残し、前記新設建物の重量を前記既存杭に伝達するために、ほぼ水平に配置される上方水平鉄骨と下方水平鉄骨、および、それら両水平鉄骨を連結する多数の斜め鉄骨によりトラス構造体を構成し、前記下方水平鉄骨と斜め鉄骨の各節点が前記既存杭の上に位置するように前記トラス構造体を前記既存基礎構造物の上に設置して固定し、前記トラス構造体の上に前記新設建物を構築するところにある。 The first characteristic feature of the present invention is at least leaving the existing pile was removed the existing buildings, building construction method of constructing a new building remains of existing buildings the removal of the existing building, existing infrastructure In order to leave the existing foundation beam with the existing pile as an object, and to transfer the weight of the new building to the existing pile, the upper horizontal steel frame and the lower horizontal steel frame, which are arranged substantially horizontally, and both horizontal steel frames are connected. A truss structure is constituted by a large number of diagonal steel frames, and the truss structure is installed and fixed on the existing foundation structure so that each node of the lower horizontal steel frame and the diagonal steel frame is located on the existing pile. The new building is constructed on the truss structure .
本発明の第１の特徴構成によれば、少なくとも既存杭を残して既存建物を撤去し、新設建物の重量をその既存杭に伝達するために多数の長尺部材により構成された骨組構造体を使用し、その骨組構造体を既存杭の上に設置して、その骨組構造体の上に新設建物を構築するので、骨組構造体の介在によって、その上に構築される新設建物に対して既存杭による制約が緩和される。
そして、新設建物の重量は、骨組構造体によって既存杭に確実に伝達されるので、少なくとも既存杭の再利用により工期の短縮やコストの低減などを図りながら、その新設建物を高い設計自由度のもとで構築することができる。
According to the first characteristic configuration of the present invention, a skeleton structure composed of a number of long members is used to remove an existing building, leaving at least an existing pile, and transmit the weight of the new building to the existing pile. Used, and the frame structure is installed on the existing pile and a new building is built on the frame structure. Pile restrictions are eased.
Since the weight of the new building is reliably transmitted to the existing piles by the frame structure, the new building has a high degree of design freedom while at the same time reducing the construction period and reducing costs by reusing the existing piles. It can be built under.
また、骨組構造体が、多数の鉄骨により構成されたトラス構造体であるから、トラス構造体の空間利用が可能となり、かつ、新設建物の重量は、その鉄骨製のトラス構造体を介して既存杭に確実に伝達される。 Further, the bone assembly structure, because it is truss structure configured by a number of steel, it is possible to space utilization of the truss structure, and the weight of the new building, through the steel-made truss structure Reliable transmission to existing piles.
また、トラス構造体が、ほぼ水平に配置される上方水平鉄骨と下方水平鉄骨、および、それら両水平鉄骨を連結する多数の斜め鉄骨により構成され、下方水平鉄骨を既存杭の上に設置し、上方水平鉄骨の上に新設建物を構築するので、例えば、新設建物の柱を上方水平鉄骨上に自由に立設して、自由度の高い新設建物を構築することができる。
更には、下方水平鉄骨と斜め鉄骨の節点を既存杭の上に配置してトラス構造体を既存杭の上に設置するので、新設建物の重量は、より一層確実に既存杭に伝達される。 Moreover, truss structure, the upper horizontal steel and lower horizontal steel disposed substantially horizontally, and is constituted by a number of oblique steel connecting them both horizontal steel frame, it established a lower horizontal steel on top of the existing pile Since the new building is constructed on the upper horizontal steel frame, for example, a new building with a high degree of freedom can be constructed by freely standing the columns of the new building on the upper horizontal steel frame.
Furthermore, since the nodes of the lower horizontal steel frame and the diagonal steel frame are arranged on the existing pile and the truss structure is installed on the existing pile, the weight of the new building is more reliably transmitted to the existing pile.
本発明の第２の特徴構成は、前記上方水平鉄骨と斜め鉄骨の節点の上に、新設建物の柱を配置するところにある。 The second characteristic feature of the present invention, on the nodes of the upper horizontal steel and diagonal steel lies in the arranging pillars new building rollers.
本発明の第２の特徴構成によれば、新設建物の重量は、より一層確実に既存杭に伝達される。 According to the second characterizing feature of the present invention, the weight of the new設建thereof is transmitted to the existing pile more reliably.
本発明による建物構築方法の実施の形態を図面に基づいて説明する。
この建物構築方法は、図１〜図４に示すように、既存建物２を撤去してその跡に新設建物１を構築する方法で、まず、図１に示す既存建物２において、図２に示すように、例えば、地下に設置された既存基礎構造物のうち再利用可能なものを残して上方の既存建物２を解体して撤去する。
この再利用可能な既存基礎構造物には、少なくとも既存杭３と既存基礎梁４が含まれ、再利用可能であれば、それらに加えて、既存底板５、既存外壁６などを残して上方の既存建物２を撤去する。
その後、必要な場合には、再利用する既存基礎構造物に対して増打ちや補強を行い、さらに、補強用の杭を新たに追加して必要な強度を確保する。
An embodiment of a building construction method according to the present invention will be described with reference to the drawings.
As shown in FIGS. 1 to 4, this building construction method is a method of removing an existing
The reuse existing substructure as possible, at least with
Thereafter, if necessary, the existing foundation structure to be reused is subjected to additional striking and reinforcement, and a new reinforcing pile is added to ensure the required strength.
つぎに、図３に示すように、少なくとも既存杭３を含む既存基礎構造物の上に多数の長尺部材により構成された骨組構造体としてのトラス構造体７を設置する。
このトラス構造体７は、新設建物１の重量を既存杭３などに伝達するためのもので、例えば、ほぼ水平に配置される上方水平鉄骨７ａと下方水平鉄骨７ｂ、および、それら両水平鉄骨７ａ，７ｂを連結する多数の斜め鉄骨７ｃにより構成される。ただし、このトラス構造体７に関しては、下方水平鉄骨７ｂと斜め鉄骨７ｃの節点８が、できる限り既存杭３の上方に位置するように設計して作製する。
そして、その節点８が既存杭３の上方に位置するようにして、トラス構造体７を既存基礎構造物の上に設置して適宜手段により固定し、図４に示すように、トラス構造体７の上方水平鉄骨７ａの上に新設建物１を構築するのである。
Next, as shown in FIG. 3, a truss structure 7 as a frame structure composed of a number of long members is installed on an existing foundation structure including at least the existing
The truss structure 7 is for transmitting the weight of the new building 1 to the existing
Then, the truss structure 7 is placed on the existing foundation structure and fixed by appropriate means so that the
〔別実施形態〕
（１）先の実施形態では、骨組構造体としてのトラス構造体７を上方水平鉄骨７ａ、下方水平鉄骨７ｂ、および、斜め鉄骨７ｃにより構成した例を示したが、トラス構造体７の具体的な構成については種々の変更が可能である。
[Another embodiment]
(1) In the previous embodiment, an example in which the truss structure 7 as a framework structure is configured by the upper
（２）先の実施形態では、既存建物２のうち既存杭３、既存基礎梁４、既存底板５、既存外壁６などを残して上方の既存建物２を撤去した例を示したが、要するに、少なくとも既存杭３と既存基礎梁４さえ残せばよい。
(2) In the previous embodiment, an example in which the
１ 新設建物
２ 既存建物
３ 既存杭
７ 骨組構造体としてのトラス構造体
７ａ トラス構造体の上方水平鉄骨
７ｂ トラス構造体の下方水平鉄骨
７ｃ トラス構造体の斜め鉄骨
８ 下方水平鉄骨の斜め鉄骨の節点
DESCRIPTION OF SYMBOLS 1
Claims (2)
既存基礎構造物として前記既存杭と共に既存基礎梁を残し、前記新設建物の重量を前記既存杭に伝達するために、ほぼ水平に配置される上方水平鉄骨と下方水平鉄骨、および、それら両水平鉄骨を連結する多数の斜め鉄骨によりトラス構造体を構成し、前記下方水平鉄骨と斜め鉄骨の各節点が前記既存杭の上に位置するように前記トラス構造体を前記既存基礎構造物の上に設置して固定し、前記トラス構造体の上に前記新設建物を構築する建物構築方法。 It is a building construction method in which the existing building is removed by leaving at least an existing pile among existing buildings, and a new building is constructed on the trace of the removed existing building,
In order to leave the existing foundation beam with the existing pile as the existing foundation structure and transmit the weight of the new building to the existing pile, the upper horizontal steel frame and the lower horizontal steel frame that are arranged almost horizontally, and both horizontal steel frames A truss structure is constituted by a large number of diagonal steel frames connecting the truss structures, and the truss structure is installed on the existing foundation structure so that the nodes of the lower horizontal steel frames and the diagonal steel frames are located on the existing piles. The building construction method of constructing the new building on the truss structure .
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| JP2004356796A JP4346542B2 (en) | 2004-12-09 | 2004-12-09 | Building construction method |
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| JP4346542B2 true JP4346542B2 (en) | 2009-10-21 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103938640A (en) * | 2014-04-14 | 2014-07-23 | 中交第二航务工程局有限公司 | Technology and device for erecting steel platform for land bridge foundation construction |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR102737661B1 (en) * | 2022-09-07 | 2024-12-04 | 주식회사 택한 | Load transfer system for remodeling using underground beam |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103938640A (en) * | 2014-04-14 | 2014-07-23 | 中交第二航务工程局有限公司 | Technology and device for erecting steel platform for land bridge foundation construction |
| CN103938640B (en) * | 2014-04-14 | 2016-02-17 | 中交第二航务工程局有限公司 | Set up steel platform and carry out land bridge foundation construction technique |
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| JP2006161476A (en) | 2006-06-22 |
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