JP2015175162A - transfer method - Google Patents

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JP2015175162A
JP2015175162A JP2014052368A JP2014052368A JP2015175162A JP 2015175162 A JP2015175162 A JP 2015175162A JP 2014052368 A JP2014052368 A JP 2014052368A JP 2014052368 A JP2014052368 A JP 2014052368A JP 2015175162 A JP2015175162 A JP 2015175162A
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existing structure
moving
actuator
level
loading platform
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JP6341705B2 (en
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弘志 井瀬
Hiroshi Ise
弘志 井瀬
学 小倉
Manabu Ogura
学 小倉
伸一 佐瀬
Shinichi Sase
伸一 佐瀬
清志 矢島
Kiyoshi Yajima
清志 矢島
耕治 川越
Koji Kawagoe
耕治 川越
加藤　篤
Atsushi Kato
篤 加藤
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Taisei Corp
Mase Kensetsu KK
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Taisei Corp
Mase Kensetsu KK
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Abstract

PROBLEM TO BE SOLVED: To suppress deformation of an existing structure when it is moved.SOLUTION: In a transfer method for transferring an existing structure onto a plurality of load-carrying platforms disposed to be displaceable on a subsoil to move the existing structure, the plurality of load-carrying platforms have a plurality of load-carrying platforms having an actuator capable of adjusting the level of the existing structure, and the existing structure is moved while the level of the existing structure is adjusted by the actuators.

Description

本発明は、曳家に代表される既設構造物の移動工法に関する。   The present invention relates to a method for moving an existing structure represented by a house.

既設構造物を移動工法として、既設構造物を複数の荷台に移し替え、荷台と共に既設構造物を移動する工法が知られている。複数の荷台は、既設構造物の支持点を構成する。荷台を変位させる構成として、コロ装置や滑り装置が提案されている（例えば特許文献１）。コロ装置は、複数のレール上に、丸棒等のコロ棒を並べて置き、コロ棒状に荷台を支持する構成である。荷台は例えばH形鋼からなる台座上に木製楔を積み上げて構成される。既設構造物を複数の荷台に移し替える際には、ジャッキにより既設構造物を徐々に荷台に載せながら既設構造物のレベルを保つように、楔の打つ位置、打込み深さなどを調整している。複数に荷台に既設構造物の全荷重を移した後、推進ジャッキの付勢でレールに沿って既設構造物を移動することができる。   As a moving construction method, an existing structure is transferred to a plurality of loading platforms, and a construction method is known in which an existing structure is moved together with the loading platform. The plurality of loading platforms constitute support points for the existing structure. As a configuration for displacing the loading platform, a roller device and a sliding device have been proposed (for example, Patent Document 1). The roller device has a configuration in which roller bars such as round bars are arranged side by side on a plurality of rails, and the loading platform is supported in a roller bar shape. The loading platform is configured by stacking wooden wedges on a pedestal made of H-shaped steel, for example. When transferring an existing structure to multiple loading platforms, the position of the wedge and the driving depth are adjusted so that the level of the existing structure is maintained while the existing structure is gradually placed on the loading platform by a jack. . After transferring the entire load of the existing structure to a plurality of loading platforms, the existing structure can be moved along the rail by the bias of the propulsion jack.

特開２０１１−１１７２４２号公報JP 2011-117242 A

既設構造物の移動経路上の地盤の剛性は必ずしも均一ではなく、既設構造物の移動に伴って地盤が変形する。このため、各荷台が負担する鉛直力が増減し、ある荷台が荷重を多く受け持つと、他の荷台では荷重が抜ける場合が生じる。この結果、既設構造物の移動前の初期レベルを維持できなくなり、既設構造物を変形させる場合がある。既製構造物が木造モルタル造で外壁にひび割れを入れたくない場合、大型の建物の場合、或いは、水平断面が矩形でない建物である場合等ではこのような変形を無視できなくなる。その対策として、荷台の楔の調整により既設構造物の初期レベルを維持することも不可能ではないが、多くの手間と時間が必要となる。   The rigidity of the ground on the movement path of the existing structure is not necessarily uniform, and the ground is deformed as the existing structure moves. For this reason, when the vertical force which each loading platform bears increases and decreases and a certain loading platform takes a lot of loads, the load may be lost in other loading platforms. As a result, the initial level before the movement of the existing structure cannot be maintained, and the existing structure may be deformed. Such a deformation cannot be ignored when the ready-made structure is made of wooden mortar and it is not desired to crack the outer wall, when it is a large building, or when the horizontal section is not rectangular. As a countermeasure, it is not impossible to maintain the initial level of the existing structure by adjusting the wedge of the loading platform, but it takes a lot of labor and time.

本発明の目的は、既設構造物を移動させる際に、その変形を抑制することにある。   An object of the present invention is to suppress deformation of an existing structure when it is moved.

本発明によれば、地盤上で変位可能に設けられた複数の荷台上に既設構造物を移し替え、前記既設構造物を移動させる移動工法において、前記複数の荷台は、前記既設構造物のレベル調整が可能なアクチュエータを備える複数の荷台を備え、前記アクチュエータにより前記既設構造物のレベル調整を行いながら、前記既設構造物を移動する、ことを特徴とする移動工法が提供される。   According to the present invention, in the moving method of transferring an existing structure onto a plurality of loading platforms provided to be displaceable on the ground and moving the existing structures, the plurality of loading platforms are at a level of the existing structure. There is provided a moving method characterized by comprising a plurality of loading platforms equipped with adjustable actuators and moving the existing structure while adjusting the level of the existing structure by the actuator.

本発明によれば、既設構造物を移動させる際に、その変形を抑制することができる。   According to the present invention, when an existing structure is moved, the deformation can be suppressed.

本発明の一実施形態に係る移動工法の概要図。The schematic diagram of the mobile construction method concerning one embodiment of the present invention. 荷台の構成例を示す説明図。Explanatory drawing which shows the structural example of a loading platform. （Ａ）〜（Ｄ）は既設構造物の移し替えの例を示す図。(A)-(D) are figures which show the example of the transfer of an existing structure. レベル調整の例の説明図。Explanatory drawing of the example of level adjustment.

図１は本発明の一実施形態に係る移動工法の概要図であり、既設構造物１の移動途中の状態を示している。図２は既設構造物１を支持する荷台６の構成例を示す図である。   FIG. 1 is a schematic diagram of a moving method according to an embodiment of the present invention, and shows a state in the middle of moving an existing structure 1. FIG. 2 is a diagram illustrating a configuration example of the loading platform 6 that supports the existing structure 1.

既設構造物１はここでは建物を想定している。荷台６は本実施形態の場合、コロ装置であるが、車輪を有する台車装置、滑り支承を行う滑り装置等、既設構造物を支持可能で地盤上で変位可能であれば他の種類の装置であってもよい。   Here, the existing structure 1 is assumed to be a building. In this embodiment, the loading platform 6 is a roller device, but other types of devices can be used as long as they can support existing structures and can be displaced on the ground, such as a cart device having wheels and a sliding device that performs sliding support. There may be.

本実施形態の場合、既設構造物１を平行移動させる場合を想定しているが回転させてもよい。既設構造物１の移動経路の地盤は事前に地盤改良を施し、移動時の沈下防止対策を施すことが好ましい。本実施形態の場合、既設構造物１の移動経路に、平滑なコンクリート路床２を事前施工し、その上に枕木４を介してレール群３を敷設している。   In the present embodiment, it is assumed that the existing structure 1 is moved in parallel, but it may be rotated. It is preferable that the ground of the moving path of the existing structure 1 is improved in advance and measures for preventing settlement during movement are taken. In the case of this embodiment, a smooth concrete road bed 2 is pre-constructed on the moving path of the existing structure 1, and the rail group 3 is laid on the sleeper 4 via the sleepers 4.

各レール群３は、既設構造物１の移動方向に延びる複数のレール３ａを互いに平行に配置して構成されている。各レール群３には、レール３ａと直交する姿勢でレール３ａの長手方向に並べて置かれた複数のコロ棒５が転動自在に配置されている。コロ棒は例えば丸鋼である。荷台６は複数のコロ棒５上に支持される。既設構造物１の移動は、コロ棒５の転動を利用して荷台６をレール群３上で変位させることにより行う。荷台６の移動に伴ってコロ棒５は順次盛り替えられる。   Each rail group 3 is configured by arranging a plurality of rails 3 a extending in the moving direction of the existing structure 1 in parallel with each other. In each rail group 3, a plurality of roller bars 5 arranged in the longitudinal direction of the rail 3a in a posture orthogonal to the rail 3a are arranged so as to roll freely. The roller rod is, for example, round steel. The loading platform 6 is supported on a plurality of roller bars 5. The existing structure 1 is moved by displacing the loading platform 6 on the rail group 3 using the rolling of the roller rod 5. As the loading platform 6 moves, the roller bars 5 are reordered sequentially.

荷台６は、既設構造物１の規模に応じて複数設けられ、それぞれが既設構造物１の支持点を構成する。荷台６は、本実施形態の場合、土台部６１と土台部６１上に搭載されたアクチュエータ６２、サポートジャッキ６５、及び、木材６４を備える。土台部６１は、コロ棒５上に搭載される部分であり、例えば、鋼板上に形鋼を積載して構成される。アクチュエータ６２は、既設構造物１の鉛直荷重を負担してそのレベル調整を行うものであり、本実施形態では油圧ジャッキであるが、同様の機能を有するものであればこれに限られない。アクチュエータ６２には、その油圧を計測する圧力計６３が接続されている。アクチュエータ６２の油圧を計測することで、そのアクチュエータ６２が負担している鉛直荷重の変動を計測することが可能となる。本実施形態の場合、一つの荷台６にはアクチュエータ６２を一つ搭載しているが、複数搭載してもよい。その際、圧力計６２も各アクチュエータ６２に設けてもよい。   A plurality of loading platforms 6 are provided according to the scale of the existing structure 1, and each constitutes a support point of the existing structure 1. In the case of this embodiment, the loading platform 6 includes a base portion 61, an actuator 62 mounted on the base portion 61, a support jack 65, and a wood 64. The base portion 61 is a portion that is mounted on the roller rod 5, and is configured, for example, by loading a shape steel on a steel plate. The actuator 62 bears the vertical load of the existing structure 1 and adjusts the level thereof. In this embodiment, the actuator 62 is a hydraulic jack, but is not limited to this as long as it has a similar function. A pressure gauge 63 for measuring the hydraulic pressure is connected to the actuator 62. By measuring the hydraulic pressure of the actuator 62, it is possible to measure the fluctuation of the vertical load borne by the actuator 62. In the case of the present embodiment, one actuator 62 is mounted on one loading platform 6, but a plurality of actuators 62 may be mounted. At that time, a pressure gauge 62 may also be provided in each actuator 62.

サポートジャッキ６５及び木材６４は、補助的に既設構造物１の鉛直荷重を負担するものであり、通常時の荷重負担はアクチュエータ６２よりも小さく、アクチュエータ６２の故障時等にその支持点が急激に下がることを防止する。   The support jack 65 and the wood 64 supplementarily bear the vertical load of the existing structure 1, and the load load during normal operation is smaller than that of the actuator 62. Prevent it from going down.

荷台６は平面的に複数布設されてこの上に既設構造物１が搭載される。複数の荷台６に既設構造物１を搭載するためには、地盤から荷台６へ既設構造物１の移し替えが必要となる。移し替えの方法は公知の方法を適宜利用できる。一例を図３（Ａ）〜（Ｄ）を参照して説明する。   A plurality of loading platforms 6 are installed in a plane, and the existing structure 1 is mounted thereon. In order to mount the existing structure 1 on the plurality of loading platforms 6, it is necessary to transfer the existing structure 1 from the ground to the loading platform 6. A known method can be appropriately used as the transfer method. An example will be described with reference to FIGS.

荷台６、レール群３等は、既設構造物１の１階部分と基礎１２との間において、柱１０が配置されている複数個所において施工する。図３（Ａ）に示すように、１階部分の梁１１に補強用のスラブ１３を施工する。また、柱１０の下部にコンクリート路床２を施工する。図３（Ｂ）に示すように、スラブ１３と基礎１２との間に仮受装置７を設置し、その後、柱１０を切断する。仮受装置７は例えば油圧ジャッキと鋼材とを上下に連結して構成される。柱１０の切断は、不図示の変位計により既設構造物１１の鉛直方向の変位を監視しながら行う。   The loading platform 6, the rail group 3, and the like are constructed at a plurality of locations where the pillars 10 are arranged between the first floor portion of the existing structure 1 and the foundation 12. As shown in FIG. 3A, a reinforcing slab 13 is applied to the beam 11 on the first floor. In addition, the concrete roadbed 2 is constructed at the lower part of the pillar 10. As illustrated in FIG. 3B, the provisional receiving device 7 is installed between the slab 13 and the foundation 12, and then the pillar 10 is cut. The temporary receiving device 7 is configured by, for example, connecting a hydraulic jack and a steel material vertically. The column 10 is cut while monitoring the vertical displacement of the existing structure 11 with a displacement meter (not shown).

次に、図３（Ｃ）に示すように切断した柱１０の配置空間において、コンクリート路床２上に枕木４、レール群３、コロ棒５及び荷台６を順次積載する。既設構造物１の鉛直荷重の負担を、仮受装置７からアクチュエータ６２に徐々に移し、既設構造物１のレベル調整を行いながら、最終的にアクチュエータ６２で既設構造物１の鉛直荷重を負担する。その後、図３（Ｄ）に示すように仮受装置７を撤去して、既設構造物１の移し替え完了する。既設構造物１のレベル調整は、例えば、既設構造物１の複数個所を基準点とし、基準点の高さを計測しながら行うことができる。   Next, as shown in FIG. 3C, the sleepers 4, the rail groups 3, the roller bars 5 and the loading platform 6 are sequentially loaded on the concrete roadbed 2 in the arrangement space of the pillars 10 cut. The load of the vertical load of the existing structure 1 is gradually transferred from the temporary receiving device 7 to the actuator 62 and the level of the existing structure 1 is adjusted while the actuator 62 finally bears the vertical load of the existing structure 1. . Thereafter, as shown in FIG. 3D, the provisional receiving device 7 is removed, and the transfer of the existing structure 1 is completed. The level adjustment of the existing structure 1 can be performed, for example, while measuring the height of the reference point using a plurality of locations of the existing structure 1 as reference points.

次に、既設構造物１の移動中におけるレベル調整について図４を参照して説明する。同図の例は、既設構造物１の荷台６への移し替えが完了した初期状態ＳＴ０と、その後に既設構造物１を所定量移動させた移動途中の状態ＳＴ１とを模式的に説明する。＃１〜＃９は、荷台６の平面配置を示しており、ここでは便宜的に９台の荷台６を設けた場合を想定している。既に述べたとおり、荷台６の数は既設構造物１の規模に応じて設定され、比較的大型の建物の場合、数十〜百個に及ぶ場合がある。   Next, level adjustment during movement of the existing structure 1 will be described with reference to FIG. The example in the figure schematically illustrates an initial state ST0 in which the transfer of the existing structure 1 to the loading platform 6 has been completed, and a state ST1 in the middle of moving the existing structure 1 after that by a predetermined amount. # 1 to # 9 indicate the planar arrangement of the loading platform 6, and here, it is assumed that nine loading platforms 6 are provided for convenience. As already described, the number of loading platforms 6 is set according to the scale of the existing structure 1, and in the case of a relatively large building, it may range from several tens to one hundred.

Ｐ１〜Ｐ９、Ｐ１’〜Ｐ９’は各荷台＃１〜＃９が備えるアクチュエータ６２の油圧を示しており、Ｐ１〜Ｐ９は初期状態ＳＴ０におけるアクチュエータ６２の油圧を示しており、基準値となる。Ｐ１’〜Ｐ９’は移動途中の状態ＳＴ１におけるアクチュエータ６２の油圧を示している。これらの油圧の計測値は、例えば、作業者が圧力計６３の計測値を読み取り、記録することができる。また、各圧力計６３とコンピュータとを有線又は無線で通信可能に接続し、各圧力計６３の計測結果をコンピュータで自動収集するようにしてもよい。   P1 to P9 and P1 'to P9' indicate the hydraulic pressures of the actuators 62 included in the loading platforms # 1 to # 9, and P1 to P9 indicate the hydraulic pressures of the actuators 62 in the initial state ST0, which are reference values. P1 'to P9' indicate the hydraulic pressure of the actuator 62 in the moving state ST1. These measured values of the hydraulic pressure can be recorded, for example, by the operator reading the measured value of the pressure gauge 63. Alternatively, each pressure gauge 63 and a computer may be connected so as to be communicable with each other by wire or wirelessly, and the measurement result of each pressure gauge 63 may be automatically collected by the computer.

Ｐ１〜Ｐ９とＰ１’〜Ｐ９’とを比較することで、各荷台＃１〜＃９のアクチュエータ６２が負担する鉛直荷重の変動を把握することができる。よって、変動分に応じてアクチュエータ６２の出力調整を行うことで既設構造物１のレベル調整を行うことができる。例えば、Ｐ１’〜Ｐ３’が増圧傾向を示し、Ｐ６’〜Ｐ９’が減圧傾向を示している場合、既設構造物１が荷台＃１〜＃３側に傾き始めていることになる。そこで、荷台＃１〜＃３のアクチュエータ６２の上昇操作、又は、荷台＃７〜＃９のアクチュエータ６２の降下操作を行う。これにより、既設構造物１を初期レベルに維持することが可能となる。   By comparing P1 to P9 and P1 'to P9', it is possible to grasp the fluctuation of the vertical load borne by the actuators 62 of the cargo beds # 1 to # 9. Therefore, the level adjustment of the existing structure 1 can be performed by adjusting the output of the actuator 62 according to the variation. For example, when P1 'to P3' indicate a pressure increasing tendency and P6 'to P9' indicate a pressure decreasing tendency, the existing structure 1 is starting to tilt toward the loading platform # 1 to # 3. Therefore, the raising operation of the actuator 62 of the loading platforms # 1 to # 3 or the lowering operation of the actuator 62 of the loading platforms # 7 to # 9 is performed. As a result, the existing structure 1 can be maintained at the initial level.

操作量は、圧力計６３の計測値を基準とし、計測値が基準値に対して許容値内にあればよいことになる。許容値は、例えば、基準値の数十％の範囲内（例えば±20%以内）とすることができる。こうして既設構造物１の移動と各圧力計６３の監視及び各アクチュエータ６２の出力調整とを繰りかすことで、既設構造物１を初期レベルに維持しながら、目的地まで移動することができ、移動中における既設構造物１の変形を抑制することができる。   The operation amount is based on the measurement value of the pressure gauge 63, and the measurement value only needs to be within an allowable value with respect to the reference value. For example, the allowable value can be within a range of several tens of percent of the reference value (for example, within ± 20%). In this way, by moving the existing structure 1 and monitoring each pressure gauge 63 and adjusting the output of each actuator 62, the existing structure 1 can be moved to the destination while maintaining the initial level. The deformation of the existing structure 1 inside can be suppressed.

平成25年版の公共建築工事標準仕様書(建築工事編)によれば、コンクリート路床の仕上りの平坦さの標準値は、高くした場合でも3mにつき7mm以下である。レール３ａの高さ精度の管理値を±3mm以内（レールの形状誤差を含む）とすると、路床の仕上りと移動させる装置の設定により-3mm〜+10mmの差が発生することになる。既設構造物１の重量が、補強スラブ等も含めて数千トンに及ぶ場合、荷台が負担する荷重は大きく前後する場合が想定される。本実施形態のようにアクチュエータ６２により既設構造物１のレベル調整を行いながら、その移動を行うことで、木製楔の位置、打ち込み深さを調整する場合よりも迅速に既設構造物１の移動を行える。   According to the 2013 version of the public building construction standard specifications (building work), the standard value of the finished flatness of the concrete roadbed is 7 mm or less per 3 m even if it is increased. If the control value of the height accuracy of the rail 3a is within ± 3 mm (including rail shape error), a difference of −3 mm to +10 mm will occur depending on the finish of the roadbed and the setting of the moving device. When the weight of the existing structure 1 reaches several thousand tons including the reinforcing slab and the like, it is assumed that the load borne by the loading platform greatly fluctuates. By moving the existing structure 1 while adjusting the level of the existing structure 1 by the actuator 62 as in the present embodiment, the existing structure 1 can be moved more quickly than when adjusting the position and driving depth of the wooden wedge. Yes.

なお、各圧力計６３の計測値に応じて各アクチュエータ６２を自動制御する構成とすれば、既設構造物１を停止しなくても、その移動中に既設構造物１のレベル調整も可能となり、既設構造物１の移動を更に迅速に行える。   In addition, if it is set as the structure which controls each actuator 62 automatically according to the measured value of each pressure gauge 63, even if it does not stop the existing structure 1, the level adjustment of the existing structure 1 will also become possible during the movement, The existing structure 1 can be moved more quickly.

１ 既設構造物
６ 荷台
６２ アクチュエータ 1 Existing structure 6 Loading platform 62 Actuator

Claims (3)

地盤上で変位可能に設けられた複数の荷台上に既設構造物を移し替え、前記既設構造物を移動させる移動工法において、
前記複数の荷台は、
前記既設構造物のレベル調整が可能なアクチュエータを備える複数の荷台を備え、
前記アクチュエータにより前記既設構造物のレベル調整を行いながら、前記既設構造物を移動する、
ことを特徴とする移動工法。 In the moving method of transferring an existing structure on a plurality of loading platforms provided to be displaceable on the ground, and moving the existing structure,
The plurality of loading platforms are:
A plurality of loading platforms including actuators capable of adjusting the level of the existing structure;
Moving the existing structure while adjusting the level of the existing structure by the actuator;
A moving construction method characterized by this. 請求項１記載の移動工法であって、
前記アクチュエータが油圧ジャッキであり、
前記油圧ジャッキの油圧を圧力計で計測し、その計測結果に基づいて前記既設構造物のレベル調整を行う、
ことを特徴とする移動工法。 The moving method according to claim 1,
The actuator is a hydraulic jack;
Measure the hydraulic pressure of the hydraulic jack with a pressure gauge, and adjust the level of the existing structure based on the measurement result,
A moving construction method characterized by this. 請求項１又は２記載の移動工法であって、
前記荷台は、複数のレール上に並べて置かれた複数のコロ棒上に支持される、
ことを特徴とする移動工法。 The moving construction method according to claim 1 or 2,
The loading platform is supported on a plurality of roller bars placed side by side on a plurality of rails,
A moving construction method characterized by this.
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CN106760619A (en) * 2016-12-23 2017-05-31 河北省建筑科学研究院 A kind of building translation apparatus and its construction method
CN109184257A (en) * 2017-07-12 2019-01-11 叶长青 The displacement construction technology of building
CN113882711A (en) * 2021-09-10 2022-01-04 上海天演建筑物移位工程股份有限公司 SPMT trailer and track beam combined type integral translation construction method and system
CN114737788A (en) * 2022-04-26 2022-07-12 中建六局华南建设有限公司 Device for building soft foundation by horizontal movement
JP7511206B2 (en) 2021-06-19 2024-07-05 大成建設株式会社 How to relocate a structure

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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106760619A (en) * 2016-12-23 2017-05-31 河北省建筑科学研究院 A kind of building translation apparatus and its construction method
CN106760619B (en) * 2016-12-23 2019-03-05 河北省建筑科学研究院 A kind of building translation apparatus and its construction method
CN109184257A (en) * 2017-07-12 2019-01-11 叶长青 The displacement construction technology of building
CN109184256A (en) * 2017-07-12 2019-01-11 叶长青 The displacement construction method of building
JP7511206B2 (en) 2021-06-19 2024-07-05 大成建設株式会社 How to relocate a structure
CN113882711A (en) * 2021-09-10 2022-01-04 上海天演建筑物移位工程股份有限公司 SPMT trailer and track beam combined type integral translation construction method and system
CN113882711B (en) * 2021-09-10 2022-11-18 上海天演建筑物移位工程股份有限公司 SPMT trailer and track beam combined type integral translation construction method and system
CN114737788A (en) * 2022-04-26 2022-07-12 中建六局华南建设有限公司 Device for building soft foundation by horizontal movement
CN114737788B (en) * 2022-04-26 2023-11-17 中建六局华南建设有限公司 Device for translating building on soft foundation

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