JP6091200B2 - Form material for floating stand and construction method of floating stand structure - Google Patents

Form material for floating stand and construction method of floating stand structure Download PDF

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JP6091200B2
JP6091200B2 JP2012270437A JP2012270437A JP6091200B2 JP 6091200 B2 JP6091200 B2 JP 6091200B2 JP 2012270437 A JP2012270437 A JP 2012270437A JP 2012270437 A JP2012270437 A JP 2012270437A JP 6091200 B2 JP6091200 B2 JP 6091200B2
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wedge
long
foundation
plate
space
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JP2014114639A (en
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孝博 島袋
孝博 島袋
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Daiwa House Industry Co Ltd
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Description

本発明は、特に、免震基礎構造の下部基礎と上部基礎との間に、免震装置がスライドする空間を形成する浮き架台用型枠材及び浮き架台構造の施工方法に関する。   In particular, the present invention relates to a frame material for a floating base that forms a space in which a base isolation device slides between a lower foundation and an upper foundation of the base isolation base structure, and a construction method for the floating base structure.

戸建住宅等の免震基礎構造として、地盤に接する下部基礎と建物に接する上部基礎との間に、水平方向に延びるスライド用の空間を設け、この空間内に、複数の免震装置と復元部材を適当間隔で配置するものが広く用いられている。
スライド用の空間を構築する場合には、下部基礎の上にジャッキを配置して型枠を設置しジャッキアップして上部基礎を築造することが一般的に行われてきた。
しかし、免震装置の配置位置が建物の垂直荷重を受ける支柱の直下であることから、特に支柱下部分のスライド用の空間としては、なるべく上下間隔を小さく設定してすべり支承のような比較的高さの低い免震装置を使用できるようにする技術が提案されている（例えば特許文献１）。 As a base isolation structure for detached houses, a horizontal sliding space is provided between the lower foundation in contact with the ground and the upper foundation in contact with the building, and multiple seismic isolation devices and restoration are provided in this space. Those in which members are arranged at appropriate intervals are widely used.
When constructing a space for sliding, it has been generally performed to place a jack on a lower foundation, install a formwork, and jack up to build an upper foundation.
However, since the position of the seismic isolation device is directly below the column that receives the vertical load of the building, especially as a space for sliding in the lower part of the column, the vertical space should be set as small as possible, such as a sliding bearing. A technique that enables use of a seismic isolation device having a low height has been proposed (for example, Patent Document 1).

特許文献１では、免震基礎構造の下部基礎と上部基礎との間に免震装置のスライド用の空間を形成する際に、下部基礎を築造した後、下部基礎上面に、免震装置を配置すると共に、免震装置の周囲側方に所定間隔を置いて砂等の粒状物を所定高さに敷きつめ、免震装置及び粒状物の各上面に型枠を配置して上部基礎を築造する。その後、粒状物を高圧洗浄水により流出させ、粒状物上の型枠を除去する。
特許文献１の発明によれば、型枠を持ち上げるためのジャッキを使用しないので、免震基礎構造を上下方向にコンパクト化でき、その分、掘削深さを浅くすることができる。 In Patent Document 1, when a space for sliding the seismic isolation device is formed between the lower foundation and the upper foundation of the seismic isolation foundation structure, the seismic isolation device is placed on the upper surface of the lower foundation after the lower foundation is built. At the same time, a granular material such as sand is spread at a predetermined height around the seismic isolation device at a predetermined interval, and a mold is placed on each upper surface of the seismic isolation device and the granular material to build an upper foundation. Thereafter, the granular material is caused to flow out with high-pressure washing water, and the mold on the granular material is removed.
According to the invention of Patent Document 1, since a jack for lifting the formwork is not used, the base isolation structure can be made compact in the vertical direction, and the excavation depth can be reduced accordingly.

特許第４７２２８９２号公報Japanese Patent No. 472292

しかし、特許文献１の発明では、上部基礎を築造した後、粒状物を高圧洗浄水により流出させるため、高圧洗浄水用の設備を必要としており、より簡便な設備により、コンパクトな免震装置のスライド用の空間を形成可能な技術が望まれていた。   However, in the invention of Patent Document 1, after the upper foundation is built, the granular material is caused to flow out by the high-pressure washing water, so that equipment for high-pressure washing water is required. A technique capable of forming a space for sliding has been desired.

本発明は、上記の課題に鑑みてなされたものであり、本発明の目的は、簡便な設備で、建物の免震基礎構造における免震装置のスライド用の空間を構築可能な浮き架台用型枠材及び浮き架台構造の施工方法を提供することにある。   The present invention has been made in view of the above problems, and an object of the present invention is to provide a floating stand mold capable of constructing a space for sliding an isolation device in a base isolation structure of a building with simple equipment. It is providing the construction method of a frame material and a floating mount structure.

前記課題は、請求項１によれば、建物の下部基礎と上部基礎との間に、免震装置がスライド可能な空間を形成する浮き架台用型枠材であって、前記下部基礎上に載置される複数の長尺支持体と、該複数の長尺支持体の上に載置される板体と、を備え、前記長尺支持体は、前記下部基礎上に載置され、前記長尺支持体の長手方向に沿って傾斜した第一の傾斜面を上面に備えた下側部材と、該下側部材上に重ねて載置され、下面に、前記第一の傾斜面に当接する第二の傾斜面を備えた上側部材と、を備え、前記上側部材及び前記下側部材のうち、最初に前記空間から引き出される部材は、該部材を引き出す引き出し治具を取付けるための引き出し治具取付部を備えていること、により解決される。   According to a first aspect of the present invention, there is provided a frame material for a floating base that forms a space in which a seismic isolation device is slidable between a lower foundation and an upper foundation of a building, and is mounted on the lower foundation. A plurality of long supports placed on the plurality of long supports, and a plate placed on the plurality of long supports, the long supports placed on the lower foundation, A lower member provided on the upper surface with a first inclined surface inclined along the longitudinal direction of the scale support, and placed on the lower member so as to be in contact with the first inclined surface on the lower surface. An upper member having a second inclined surface, and the first member of the upper member and the lower member that is pulled out from the space is a drawer jig for attaching a drawer jig that pulls out the member This is solved by providing the mounting portion.

このように構成しているため、上部基礎を築造した後に、複数の長尺支持体と板体を引き出すことにより、免震装置がスライド可能な空間を形成でき、簡単な設備で、簡便に、免震装置がスライド可能な空間を形成できる。
また、長尺支持体は、下部基礎上に載置され、長尺支持体の長手方向に沿って傾斜した第一の傾斜面を上面に備えた下側部材と、下側部材上に重ねて載置され、下面に、第一の傾斜面に当接する第二の傾斜面を備えた上側部材と、を備えるため、まず、下側部材又は上側部材の一方を引き出し、その次に、他方を引き出すことにより、容易に、長尺支持体を取り除くことができる。また、下側部材及び上側部材が、第一の傾斜面及び第二の傾斜面をそれぞれ備えるため、最初に引き出す部材の引き出し時に、第一の傾斜面及び第二の傾斜面によってガイドされ、最初に引き出す部材をスムーズに引き出すことができる。
また、上側部材及び下側部材のうち、最初に空間から引き出される部材は、部材を引き出す引き出し治具を取付けるための引き出し治具取付部を備えているため、建物の上部基礎からの荷重を受けて上側部材又は下側部材を素手では引き出せない場合でも、引き出し治具取付部に引き出し治具を取付けることにより、上側部材又は下側部材を小さな力で容易に引き出すことが可能となる。 Because it is configured in this way, after building the upper foundation, by pulling out a plurality of long supports and plates, it is possible to form a space where the seismic isolation device can slide, with simple equipment, simply, A space where the seismic isolation device can slide is formed.
In addition, the long support is placed on the lower base, and is stacked on the lower member and the lower member having a first inclined surface inclined along the longitudinal direction of the long support on the upper surface. An upper member having a second inclined surface that is placed on the lower surface and abuts the first inclined surface, first pulls out either the lower member or the upper member, and then the other By pulling out, the long support can be easily removed. In addition, since the lower member and the upper member are provided with the first inclined surface and the second inclined surface, respectively, the first inclined surface and the second inclined surface are guided when the member to be pulled out first is pulled out. The member to be pulled out can be pulled out smoothly.
Of the upper member and the lower member, the member that is first withdrawn from the space has a pull-out jig mounting portion for mounting a pull-out jig for pulling out the member, and therefore receives a load from the upper foundation of the building. Thus, even when the upper member or the lower member cannot be pulled out with bare hands, the upper member or the lower member can be easily pulled out with a small force by attaching the drawer jig to the drawer jig mounting portion.

このとき、前記上側部材と、前記下側部材は、該下側部材上に前記上側部材が重ねられた状態で、前記空間の前記下部基礎上に複数組配置され、前記板体は、該板体が複数に分割された分割板が側方に並べられてなり、隣り合う一対の前記分割板が互いに当接する当接面の下端線は、全長が、前記上側部材の上面の範囲内に含まれると好適である。
このように構成しているため、上側部材及び下側部材を空間から引き出した後、分割された分割板を一つずつ引き出すことにより、板体の全体を取り出すことができ、取り出し作業が容易になる。
また、隣り合う一対の分割板が互いに当接する当接面の下端線は、全長が、上側部材の上面の範囲内に含まれるため、板体を分割した分割線が、上側部材により支持され、板体が空間内で垂れさがることを防止でき、板体による型枠材としての役割を担保することができる。 At this time, a plurality of sets of the upper member and the lower member are arranged on the lower base of the space in a state where the upper member is overlapped on the lower member, Dividing plates divided into a plurality of bodies are arranged side by side, and the lower end line of the abutting surface where the adjacent pair of the dividing plates abut each other is within the range of the upper surface of the upper member. Is preferred.
Since it is configured in this way, after the upper member and the lower member are pulled out from the space, the divided plate can be pulled out one by one, so that the entire plate body can be taken out, and the taking out operation is easy. Become.
Moreover, since the lower end line of the contact surface where a pair of adjacent dividing plates contact each other is included in the range of the upper surface of the upper member, the dividing line dividing the plate is supported by the upper member, The plate body can be prevented from drooping in the space, and the role of the plate body as a mold material can be secured.

このとき、複数の前記分割板のうち、最初に引き出される第一の前記分割板の側面は、前記空間から前記上側部材及び前記下側部材を引き出すための開口側が、前記開口の逆側よりも、前記第一の分割板の中央から遠くなるように、前記開口に対して傾斜していると好適である。
このように構成しているため、第一の分割板は、分割板を取り出す開口側が幅広となり、スムーズに第一の分割板を取り出すことができる。 In this case, among the divided plate multiple, the first side of the dividing plate which is first pulled out, the opening side for pulling out the upper member and the lower member from said space, from the opposite side of the opening However, it is preferable that it is inclined with respect to the opening so as to be far from the center of the first divided plate.
Since it comprises in this way, the opening side which takes out a division board becomes wide, and the 1st division board can take out a 1st division board smoothly.

また、前記第一の分割板の側面は、隣接する他の前記分割板の側面に係合する係合部を備え、該係合部は、前記第一の分割板の側面の前記他の分割板の側面に対する上下方向の移動を規制すると好適である。
このように構成しているので、分割板が相互に係合することとなり、分割板の端部が、上側部材の上面からずれた場合でも、空間内に垂れ下がることを防止できる。 Further, the side surface of the first divided plate includes an engaging portion that engages with a side surface of another adjacent divided plate, and the engaging portion is the other divided portion of the side surface of the first divided plate. It is preferable to restrict the vertical movement relative to the side surface of the plate.
Since it comprises in this way, a division | segmentation board will mutually engage and even if the edge part of a division | segmentation board slip | deviates from the upper surface of an upper side member, it can prevent drooping in space.

また、前記下側部材及び前記上側部材は、前記長手方向の一端に、厚さの薄い先端部を備えると共に、他端に、厚さの厚い厚肉端部を備えており、該厚肉端部から前記先端部にかけて、徐々に厚さが薄くなるように形成された楔状長尺体から形成され、前記長尺支持体は、下側の前記楔状長尺体の前記先端部及び前記厚肉端部に、上側の前記楔状長尺体の前記厚肉端部及び前記先端部がそれぞれ重なるように、前記下側の楔状長尺体上に前記上側の楔状長尺体が重ねられて構成され、前記上側又は前記下側の楔状長尺体は、前記厚肉端部が、前記開口側に位置するように配置され、前記引き出し治具取付部は、前記厚肉端部側に設けられた前記引き出し治具が係止される係止孔からなると好適である。 Further, the lower member and the upper member, the one longitudinal end provided with a thin tip thicknesses, the other end is provided with a thick walled end thicknesses, the thick end Formed from a wedge-shaped elongated body formed so that the thickness gradually decreases from a portion to the distal end portion, and the elongated support body includes the distal end portion and the thick wall of the lower wedge-shaped elongated body. the end, so that the thick end portion and said distal end portion of an upper side of the wedge long body overlap each said superposed the upper wedge long body on the lower side of the wedge-shaped long body on configuration The upper or lower wedge-shaped elongated body is disposed such that the thick end portion is positioned on the opening side, and the drawer jig attaching portion is provided on the thick end portion side. Further, it is preferable that the pull-out jig includes a locking hole for locking.

このように、下側部材及び上側部材は、長手方向の一端に、厚さの薄い先端部を備えると共に、他端に、厚さの厚い厚肉端部を備えており、厚肉端部から先端部にかけて、徐々に厚さが薄くなるように形成された楔状長尺体から形成され、長尺支持体は、下側の楔状長尺体の先端部及び厚肉端部に、上側の楔状長尺体の厚肉端部及び先端部がそれぞれ重なるように、下側の楔状長尺体上に上側の楔状長尺体が重ねられて構成されているため、下側の楔状長尺体引き出し時に、下側の楔状長尺体の上面の傾斜面が、上側の楔状長尺体の下面によってガイドされ、スムーズに下側の楔状長尺体を引き出すことができる。
また、下側部材と上側部材の両端部間の領域で、下側部材と上側部材が当接するため、下側部材及び上側部材の一方を引き出す力が一旦掛かると、下側部材と上側部材の傾斜面の全長がスライド面となり、途中で引っかかることなく、スムーズに、その部材を引き出すことができる。
更に、上側又は下側の楔状長尺体は、厚肉端部が、空間から楔状長尺体を引き出すための開口側に位置するように配置されるため、上側及び下側の楔状長尺体のうち、最初に引き出したい方の楔状長尺体の厚肉端部を開口側に位置させることにより、その楔状長尺体を先に引き出すことができる。
また、引き出し治具取付部は、厚肉端部側に設けられた引き出し治具が係止される係止孔からなるため、引き出し治具を、係止孔に係止するだけで、楔状長尺体に取付けることができ、作業性がよい。 Thus, the lower member and the upper member are provided with a thin tip portion at one end in the longitudinal direction and a thick thick end portion at the other end, from the thick end portion. It is formed from a wedge-shaped elongated body formed so that the thickness gradually decreases toward the tip, and the long support is formed on the tip and thick ends of the lower wedge-shaped elongated body. Since the upper wedge-shaped elongated body is overlaid on the lower wedge-shaped elongated body so that the thick-walled end and the tip of the elongated body overlap each other, the lower wedge-shaped elongated body is drawn out. Sometimes, the inclined surface of the upper surface of the lower wedge-shaped elongated body is guided by the lower surface of the upper wedge-shaped elongated body, so that the lower wedge-shaped elongated body can be pulled out smoothly.
In addition, since the lower member and the upper member are in contact with each other in the region between the both ends of the lower member and the upper member, once a force for pulling out one of the lower member and the upper member is applied, the lower member and the upper member The entire length of the inclined surface becomes a slide surface, and the member can be pulled out smoothly without being caught on the way.
Further, since the upper or lower wedge-shaped elongated body is disposed so that the thick end portion is positioned on the opening side for drawing the wedge-shaped elongated body from the space, the upper and lower wedge-shaped elongated bodies are arranged. Of these, the wedge-shaped elongated body can be pulled out first by positioning the thick end of the wedge-shaped elongated body to be pulled out first on the opening side.
In addition, since the drawer jig mounting part has a locking hole for locking the drawer jig provided on the thick-walled end side, a wedge-like length can be obtained simply by locking the drawer jig to the locking hole. It can be attached to the scale and workability is good.

また、前記上側及び前記下側の楔状長尺体の少なくとも一方は、前記長手方向の側面の前記厚肉端部側に、前記係止孔を備えていると好適である。
このように構成しているため、引き出し治具を、楔状長尺体の側面に沿って空間内に挿入し、側面に当てて係止孔に係止した後、引き出し治具を手前に引けばよいので、引き出し作業が単純となり、楔状長尺体の前面に係止孔を備える場合等と対比して、作業性を向上できる。 Further, at least one of the upper and the lower wedge long body, the thick end portion side of the side surface of the long side direction, it is preferable that includes the locking hole.
With this configuration, the drawer jig can be inserted into the space along the side surface of the wedge-shaped elongated body, applied to the side surface and locked in the locking hole, and then pulled out. Therefore, the drawing operation is simplified, and the workability can be improved as compared with the case where a locking hole is provided on the front surface of the wedge-shaped elongated body.

また、前記上側及び前記下側の楔状長尺体の少なくとも一方は、一対の前記側面に、それぞれ、前記係止孔を備え、前記一対の側面に設けられた一対の前記係止孔は、前記厚肉端部から同じ距離を隔てた位置に形成されていると好適である。
このように構成しているため、引き出し治具の係止部を、左右の側面に設けられた一対の係止孔に挿通させることが可能となり、引き出し治具からの引張力を、楔状長尺体の左右に均等に伝達できるため、小さな力で効率よく楔状長尺体を引き出すことが可能となる。 Further, at least one of the upper and lower wedge-shaped elongated bodies includes the engagement holes on the pair of side surfaces, respectively, and the pair of engagement holes provided on the pair of side surfaces includes the It is suitable if it is formed at a position spaced the same distance from the thick end.
With this configuration, the locking portion of the drawer jig can be inserted into a pair of locking holes provided on the left and right side surfaces, and the tensile force from the drawer jig can be Since it can transmit equally to the right and left of a body, it becomes possible to pull out a wedge-shaped elongate body efficiently with small force.

また、前記上側及び前記下側の楔状長尺体のうち一方は、重ねられたときに他方の前記楔状長尺体に当接する面に、前記長手方向に伸びる凸部を備え、前記他方の楔状長尺体は、重ねられたときに前記一方の前記楔状長尺体に当接する面に、前記凸部を収納可能な溝を備えると好適である。
このように構成することにより、上側と下側の楔状長尺体を相互に係合させることができるため、下部基礎上に一対の楔状長尺体を重ね、その上に、板体を載せる作業を行うときに、上側の楔状長尺体が、下側の楔状長尺体上から落下することを防止できる。 Moreover, one of said upper and said lower wedge long body is the surface abutting the other of the wedge long body when superposed, comprising a protrusion extending in the long side direction, of the other It is preferable that the wedge-shaped long body is provided with a groove capable of accommodating the convex portion on a surface that comes into contact with the one wedge-shaped long body when being stacked.
By configuring in this way, the upper and lower wedge-shaped elongated bodies can be engaged with each other, so that a pair of wedge-shaped elongated bodies are stacked on the lower foundation, and the plate body is placed thereon When performing the above, it is possible to prevent the upper wedge-shaped elongated body from falling from the lower wedge-shaped elongated body.

前記課題は、請求項９によれば、建物の下部基礎と上部基礎との間に免震装置がスライド可能な空間を形成する浮き架台構造の施工方法であって、前記下部基礎上に、長尺支持体の長手方向に沿って傾斜した第一の傾斜面を上面に備えた下側部材を載置し、下面に、前記第一の傾斜面に当接する第二の傾斜面を備えた上側部材を、前記下側部材上に載置する手順を、複数回繰り返すことにより、前記下側部材と前記上側部材とからなる前記長尺支持体を前記下部基礎上に載置すると共に、前記下部基礎上に、前記免震装置を載置する工程と、複数の前記長尺支持体の上に、板体を載置する工程と、前記板体及び前記免震装置の上に、上部基礎を築造する工程と、前記上側部材及び前記下側部材のうち、最初に前記空間から引き出される部材の引き出し治具取付部に、引き出し治具を取付けて、前記最初に前記空間から引き出される部材を取り出す工程と、を備えること、により解決される。 The object is achieved, according to claim 9, in the isolator between the lower foundation and upper foundation of the building is a method of constructing the floating frame structure that forms a slidable space, on the lower foundation, the length A lower member having a first inclined surface inclined along the longitudinal direction of the scale support on the upper surface is placed, and an upper surface having a second inclined surface that contacts the first inclined surface on the lower surface the members, the procedure for mounting on the lower member, and by repeating a plurality of times, thereby placing the long support body consisting of the upper member and the lower member on the lower foundation, the lower on a foundation, comprising the steps of: placing the seismic isolation device, on the long support of multiple, a step of placing a plate member, on the plate member and the seismic isolation device, upper foundation Of the member that is first drawn out of the space among the upper member and the lower member. The jig mounting portion out can, by attaching a drawer jig, the first thing and a step of taking out the member drawn from the space, is solved by.

このように構成しているので、上部基礎を築造した後に、複数の長尺支持体と板体を引き出すことにより、免震装置がスライド可能な空間を形成でき、簡単な設備で、簡便に、免震装置がスライド可能な空間を形成できる。
また、長尺支持体は、下部基礎上に載置され、長尺支持体の長手方向に沿って傾斜した第一の傾斜面を上面に備えた下側部材と、下側部材上に重ねて載置され、下面に、第一の傾斜面に当接する第二の傾斜面を備えた上側部材と、を備えるため、まず、下側部材又は上側部材の一方を引き出し、その次に、他方を引き出すことにより、容易に、長尺支持体を取り除くことができる。また、下側部材及び上側部材が、第一の傾斜面及び第二の傾斜面をそれぞれ備えるため、最初に引き出す部材の引き出し時に、第一の傾斜面及び第二の傾斜面によってガイドされ、最初に引き出す部材をスムーズに引き出すことができる。
また、前記上側部材及び前記下側部材のうち、最初に前記空間から引き出される部材の引き出し治具取付部に、引き出し治具を取付けて、前記最初に前記空間から引き出される部材を取り出す工程を備えているため、建物の上部基礎からの荷重を受けて上側部材又は下側部材を素手では引き出せない場合でも、引き出し治具取付部に引き出し治具を取付けることにより、上側部材又は下側部材を小さな力で容易に引き出すことが可能となる。 Because it is configured in this way, after building the upper foundation, by pulling out a plurality of long supports and plates, you can form a space where the seismic isolation device can slide, with simple equipment, simply A space where the seismic isolation device can slide is formed.
In addition, the long support is placed on the lower base, and is stacked on the lower member and the lower member having a first inclined surface inclined along the longitudinal direction of the long support on the upper surface. An upper member having a second inclined surface that is placed on the lower surface and abuts the first inclined surface, first pulls out either the lower member or the upper member, and then the other By pulling out, the long support can be easily removed. In addition, since the lower member and the upper member are provided with the first inclined surface and the second inclined surface, respectively, the first inclined surface and the second inclined surface are guided when the member to be pulled out first is pulled out. The member to be pulled out can be pulled out smoothly.
A step of attaching a pulling jig to a pulling jig mounting portion of a member that is first pulled out of the space out of the upper member and the lower member, and taking out the member that is first pulled out of the space; Therefore, even if the upper member or the lower member cannot be pulled out with bare hands under the load from the upper foundation of the building, the upper member or the lower member can be made smaller by attaching the drawer jig to the drawer jig mounting portion. It can be easily pulled out with force.

本発明によれば、上部基礎を築造した後に、複数の長尺支持体と板体を引き出すことにより、免震装置がスライド可能な空間を形成でき、簡単な設備で、簡便に、免震装置がスライド可能な空間を形成できる。
また、長尺支持体は、下部基礎上に載置され、長尺支持体の長手方向に沿って傾斜した第一の傾斜面を上面に備えた下側部材と、下側部材上に重ねて載置され、下面に、第一の傾斜面に当接する第二の傾斜面を備えた上側部材と、を備えるため、まず、下側部材又は上側部材の一方を引き出し、その次に、他方を引き出すことにより、容易に、長尺支持体を取り除くことができる。また、下側部材及び上側部材が、第一の傾斜面及び第二の傾斜面をそれぞれ備えるため、最初に引き出す部材の引き出し時に、第一の傾斜面及び第二の傾斜面によってガイドされ、最初に引き出す部材をスムーズに引き出すことができる。
また、上側部材及び下側部材のうち、最初に空間から引き出される部材は、部材を引き出す引き出し治具を取付けるための引き出し治具取付部を備えているため、建物の上部基礎からの荷重を受けて上側部材又は下側部材を素手では引き出せない場合でも、引き出し治具取付部に引き出し治具を取付けることにより、上側部材又は下側部材を小さな力で容易に引き出すことが可能となる。 According to the present invention, after constructing the upper foundation, a space in which the seismic isolation device is slidable can be formed by pulling out a plurality of long supports and plates, and with a simple facility, the seismic isolation device can be formed easily. Can form a slidable space.
In addition, the long support is placed on the lower base, and is stacked on the lower member and the lower member having a first inclined surface inclined along the longitudinal direction of the long support on the upper surface. An upper member having a second inclined surface that is placed on the lower surface and abuts the first inclined surface, first pulls out either the lower member or the upper member, and then the other By pulling out, the long support can be easily removed. In addition, since the lower member and the upper member are provided with the first inclined surface and the second inclined surface, respectively, the first inclined surface and the second inclined surface are guided when the member to be pulled out first is pulled out. The member to be pulled out can be pulled out smoothly.
Of the upper member and the lower member, the member that is first withdrawn from the space has a pull-out jig mounting portion for mounting a pull-out jig for pulling out the member, and therefore receives a load from the upper foundation of the building. Thus, even when the upper member or the lower member cannot be pulled out with bare hands, the upper member or the lower member can be easily pulled out with a small force by attaching the drawer jig to the drawer jig mounting portion.

本発明の一実施形態に係る浮き架台用型枠材が用いられる免震基礎構造を示す模式図である。It is a schematic diagram which shows the seismic isolation base structure in which the formwork material for floating bases concerning one Embodiment of this invention is used. 本発明の一実施形態に係る浮き架台用型枠材が用いられる免震基礎構造の外観斜視図である。BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is an external perspective view of a seismic isolation base structure in which a formwork material for a floating base according to an embodiment of the present invention is used. 本発明の一実施形態に係る楔状長尺体の斜視図である。It is a perspective view of a wedge-shaped elongate body concerning one embodiment of the present invention. 本発明の一実施形態に係る楔状長尺体と板体の設置状態を示す斜視説明図である。It is an isometric view explanatory drawing which shows the installation state of the wedge-shaped elongate body and plate which concern on one Embodiment of this invention. 本発明の一実施形態に係る板体の設置状態を示す平面説明図である。It is a plane explanatory view showing the installation state of the plate concerning one embodiment of the present invention. 本発明に係る板体の変形例を示す斜視説明図である。It is an isometric view explanatory drawing which shows the modification of the board which concerns on this invention. 本発明の他の実施形態に係る楔状長尺体を示す斜視説明図である。It is an isometric view explanatory drawing which shows the wedge-shaped elongate body which concerns on other embodiment of this invention. 本発明の一実施形態に係る引き出し治具を示す斜視説明図である。It is a perspective explanatory view showing the drawer jig concerning one embodiment of the present invention. 本発明の他の実施形態に係る引き出し治具を示す説明図である。It is explanatory drawing which shows the drawer jig | tool which concerns on other embodiment of this invention. 本発明の更に他の実施形態に係る引き出し治具を示す説明図である。It is explanatory drawing which shows the drawer | drawing-out jig which concerns on further another embodiment of this invention.

以下、本発明の一実施形態に係る浮き架台用型枠材及び浮き架台構造の施工方法について、図１〜図１０を参照しながら説明する。
図１は、本発明の一実施形態に係る浮き架台用型枠材が用いられる免震基礎構造を示す模式図である。図２は、本発明の一実施形態に係る浮き架台用型枠材が用いられる免震基礎構造の外観斜視図である。図３は本発明の一実施形態に係る楔状長尺体の斜視図である。図４は、本発明の一実施形態に係る楔状長尺体と板体の設置状態を示す斜視説明図である。図５は、本発明の一実施形態に係る板体の設置状態を示す平面説明図である。図６は、本発明に係る板体の変形例を示す斜視説明図である。図７は、本発明の他の実施形態に係る楔状長尺体を示す斜視説明図である。図８は、本発明の一実施形態に係る引き出し治具を示す斜視説明図である。図９は、本発明の他の実施形態に係る引き出し治具を示す説明図である。図１０は、本発明の更に他の実施形態に係る引き出し治具を示す説明図である。 Hereinafter, a method for constructing a form material for a floating base and a structure for a floating base according to an embodiment of the present invention will be described with reference to FIGS.
FIG. 1 is a schematic view showing a base-isolated basic structure in which a formwork material for a floating base according to an embodiment of the present invention is used. FIG. 2 is an external perspective view of the seismic isolation foundation structure in which the formwork material for the floating base according to the embodiment of the present invention is used. FIG. 3 is a perspective view of a wedge-shaped elongated body according to an embodiment of the present invention. FIG. 4 is an explanatory perspective view showing an installation state of the wedge-shaped elongated body and the plate body according to the embodiment of the present invention. FIG. 5 is an explanatory plan view showing an installation state of the plate body according to the embodiment of the present invention. FIG. 6 is a perspective explanatory view showing a modification of the plate according to the present invention. FIG. 7 is a perspective explanatory view showing a wedge-shaped elongated body according to another embodiment of the present invention. FIG. 8 is a perspective explanatory view showing a drawing jig according to one embodiment of the present invention. FIG. 9 is an explanatory view showing a drawing jig according to another embodiment of the present invention. FIG. 10 is an explanatory view showing a drawing jig according to still another embodiment of the present invention.

本実施の形態に係る浮き架台用型枠材は、戸建て住宅等の軽量建物の下部基礎と上部基礎との間に免震装置がスライド可能な空間を形成する型枠材であり、図１，図２に示す免震基礎構造を構築するために用いられる。
本実施形態の浮き架台用型枠材は、浮きＲＣ（Reinforced-Concrete；鉄筋コンクリート）架台用型枠材であって、ＲＣ架台用に用いられるが、これに限定されるものではなく、他の架台にも適用可能である。 The formwork material for a floating base according to the present embodiment is a formwork material that forms a space in which a seismic isolation device can slide between a lower foundation and an upper foundation of a lightweight building such as a detached house. It is used to construct the base isolation structure shown in FIG.
The form material for the floating gantry of the present embodiment is a form material for a floating RC (Reinforced-Concrete) gantry, and is used for the RC gantry, but is not limited to this. It is also applicable to.

＜免震基礎構造＞
本実施形態の浮き架台用型枠材が用いられる免震基礎構造１は、戸建て住宅の免震基礎構造である。戸建て住宅の免震構造は、下部基礎，免震装置，上部基礎，住人が居住する部分である上部構造が、順次築造されてなり、免震基礎構造１は、このうち、図１，図２に示すように、砕石，捨コンを介して地盤２上に築造された公知の下部基礎３，下部基礎３上に設置された免震装置５及び免震装置５上に築造された公知の上部基礎としてのＲＣ（鉄筋コンクリート）架台４からなる部分である。 <Seismic isolation structure>
The seismic isolation foundation structure 1 in which the formwork material for a floating base according to the present embodiment is used is a seismic isolation foundation structure of a detached house. The seismic isolation structure for detached houses consists of the lower foundation, the seismic isolation device, the upper foundation, and the upper structure, which is the part where residents live, and the seismic isolation basic structure 1 is shown in Figs. As shown in Fig. 2, the known lower foundation 3, which is built on the ground 2 through crushed stones, and the throwing away, the seismic isolation device 5 which is installed on the lower foundation 3, and the known upper portion which is built on the seismic isolation device 5. This is a part composed of an RC (steel reinforced concrete) mount 4 as a foundation.

下部基礎３とＲＣ架台４との間には、図２に示すように、免震装置５がスライドするための空間６が設けられ、この空間６に免震装置５が所定の間隔を置いて配置されている。空間６は、下部基礎３の上面及びＲＣ架台４の下面それぞれの全面に亘って、長細い帯状に延びている。下部基礎３とＲＣ架台４とは、直接当接することなく、ＲＣ架台４が、免震装置５を介して、下部基礎３に支持されている。   As shown in FIG. 2, a space 6 for sliding the seismic isolation device 5 is provided between the lower foundation 3 and the RC mount 4, and the seismic isolation device 5 is placed at a predetermined interval in this space 6. Has been placed. The space 6 extends in the form of a thin strip over the entire upper surface of the lower foundation 3 and the lower surface of the RC mount 4. The RC base 4 is supported by the lower base 3 via the seismic isolation device 5 without directly contacting the lower base 3 and the RC base 4.

本実施形態の免震装置５は、公知のすべり免震支承を有する免震装置であり、摺動面となる下面に潤滑性被膜が形成された平滑板５ａと、四フッ化エチレン系樹脂等の摩擦及び摩耗性能に優れた樹脂組成物から形成された滑り板５ｂとが、平滑板５ａの潤滑性被膜を滑り板５ｂに当接させるように重ねて配置されてなる。
本実施形態では、平滑板５ａと滑り板５ｂとは、同一の平面形状を有する矩形板体からなり、上下に重ねて下部基礎３上に載置される。平滑板５ａと滑り板５ｂの空間６の幅方向の長さは、空間６の幅よりも若干短く形成されている。 The seismic isolation device 5 of the present embodiment is a seismic isolation device having a known slip isolation bearing, and includes a smooth plate 5a having a lubricating film formed on the lower surface serving as a sliding surface, an ethylene tetrafluoride resin, and the like. And a sliding plate 5b formed of a resin composition having excellent friction and wear performance, and is arranged so as to make the lubricating coating of the smooth plate 5a contact the sliding plate 5b.
In the present embodiment, the smooth plate 5a and the sliding plate 5b are made of rectangular plates having the same planar shape, and are placed on the lower foundation 3 so as to overlap each other. The length in the width direction of the space 6 between the smooth plate 5 a and the sliding plate 5 b is formed slightly shorter than the width of the space 6.

＜浮き架台用型枠材＞
本実施形態では、下部基礎３とＲＣ架台４の間に空間６を形成するために、浮き架台用型枠材が用いられる。
本実施形態の浮き架台用型枠材は、図３，図４に示す楔状長尺体７と、図４，図５に示す板体８を備えている。
楔状長尺体７は、金属性からなり、長尺矩形平板状の下板部７１と、断面コの字状で、長手方向の一端から他端に向かって厚みが徐々に薄くなったテーパ枠部７２とが、溶接により一体に溶着されてなる。
テーパ枠部７２は、長尺矩形平板状の上板部７５と、上板部７５の幅方向の両端から垂直に立設された側部７６が、折り曲げ加工により一体形成されている。側部７６の長さは、先端部７３から厚肉端部７４に向かって徐々に厚くなっている。
楔状長尺体７は、全体として、断面が略矩形で、長手方向の一端の先端部７３から、他端の厚肉端部７４に向かって、厚みが徐々に厚くなる楔状の長尺中空体となっている。
一対の側部７６には、厚肉端部７４の近くに、矩形の係止孔７７が穿孔され、ＲＣ架台４を築造した後に、楔状長尺体７を空間６から引き出す際に用いられる引き出し治具９１，９２，９７を係止するために用いられる。 <Form material for floating mount>
In this embodiment, in order to form the space 6 between the lower foundation 3 and the RC mount 4, a floating mount formwork is used.
The formwork material for a floating frame according to the present embodiment includes a wedge-shaped long body 7 shown in FIGS. 3 and 4 and a plate body 8 shown in FIGS. 4 and 5.
The wedge-shaped elongate body 7 is made of metal, and has a long rectangular flat plate-like lower plate portion 71 and a U-shaped cross section, and a tapered frame whose thickness gradually decreases from one end to the other end in the longitudinal direction. The part 72 is integrally welded by welding.
In the taper frame portion 72, a long rectangular flat plate-like upper plate portion 75 and side portions 76 standing vertically from both ends in the width direction of the upper plate portion 75 are integrally formed by bending. The length of the side portion 76 gradually increases from the distal end portion 73 toward the thick end portion 74.
The wedge-shaped long body 7 as a whole has a substantially rectangular cross section, and the wedge-shaped long hollow body gradually increases in thickness from the tip 73 at one end in the longitudinal direction toward the thick end 74 at the other end. It has become.
A rectangular locking hole 77 is perforated in the pair of side portions 76 near the thick end portion 74, and a drawer used for pulling out the wedge-shaped elongated body 7 from the space 6 after the RC mount 4 is constructed. Used to lock the jigs 91, 92 and 97.

なお、本実施形態では、特許請求の範囲の引き出し治具取付部を、係止孔７７として構成しているが、引き出し治具９１，９２，９７をボルト締めするボルト孔等により構成してもよい。
また、本実施形態では、厚肉端部７４が矩形の開口として構成されているが、厚肉端部７４の開口を閉じるように、楔状長尺体７の長手方向に垂直な面を備えていてもよい。この面を貫通する貫通孔が穿孔され、この貫通孔を、引き出し治具９１，９２，９７を係止する引き出し治具取付部として構成してもよい。 In the present embodiment, the drawer jig attachment portion of the claims is configured as the locking hole 77, but the drawer jigs 91, 92, and 97 may be configured by bolt holes or the like for bolting. Good.
Further, in the present embodiment, the thick end portion 74 is configured as a rectangular opening, so as to close the opening of the thick end portion 74, provided with a plane perpendicular to the long side direction of the wedge long body 7 It may be. A through hole penetrating this surface may be perforated, and the through hole may be configured as a drawer jig attaching portion for locking the drawer jigs 91, 92, and 97.

なお、本実施形態では、特許請求の範囲の上側部材及び下側部材として、同一の楔状長尺体７を用いているが、これに限定されるものではなく、上側部材と下側部材とを異なる形状のものから構成してもよい。
また、特許請求の範囲の上側部材及び下側部材は、下側部材が、長手方向に沿って傾斜した傾斜面を備え、上側部材が、この斜面に当接する傾斜面を備えると共に、上側部材を下側部材上に重ねたときに、上側部材の下面が、下側部材により持ち上げられて空間６内で浮いた状態となって、下部基礎３に接しなければよく、楔状長尺体７とは異なる形状から構成してもよい。 In the present embodiment, the same wedge-shaped elongated body 7 is used as the upper member and the lower member in the claims, but the present invention is not limited to this, and the upper member and the lower member are You may comprise from a different shape.
In addition, the upper member and the lower member of the claims include an inclined surface in which the lower member is inclined along the longitudinal direction, and the upper member is provided with an inclined surface in contact with the inclined surface, and the upper member is When stacked on the lower member, the lower surface of the upper member is lifted by the lower member and floated in the space 6 so that it does not contact the lower foundation 3. You may comprise from a different shape.

板体８は、空間６のうち免震装置５に挟まれた部分の水平方向の形状と同形状からなる長方形の木製板体からなる。板体８は、空間６の長手方向に３つに分割され、図４に示すように、３つの分割板８１〜８３から構成されている。
３つの分割板８１〜８３のうち、中央の分割板８２は、台形状に形成されている。中央の分割板８２が両側の分割板８１，８３と接する端辺８２ａ，８２ｂは、開口６１側が開口６１逆側よりも、分割板８２の中央から遠くなるよう、空間６の幅方向に対して傾斜している。
また、分割板８２の左右両側に配置される分割板８１，８３は、台形状に形成されている。分割板８２と接する端辺８１ａ，８３ｂは、開口６１側が開口６１逆側よりも、分割板８１，８３それぞれの中央に近くなるよう、開口６１に垂直な方向に対して傾斜している。
また、端辺８１ａ，８２ａ，８２ｂ，８３ｂは、楔状長尺体７の幅の範囲内において傾斜している。 The plate body 8 is formed of a rectangular wooden plate body having the same shape as the horizontal shape of the portion sandwiched between the seismic isolation devices 5 in the space 6. The plate body 8 is divided into three in the longitudinal direction of the space 6 and is composed of three divided plates 81 to 83 as shown in FIG.
Of the three divided plates 81 to 83, the central divided plate 82 is formed in a trapezoidal shape. Ends 82a and 82b at which the central divided plate 82 contacts the divided plates 81 and 83 on both sides are arranged with respect to the width direction of the space 6 so that the opening 61 side is farther from the center of the divided plate 82 than the opposite side of the opening 61. Inclined.
Further, the dividing plates 81 and 83 disposed on the left and right sides of the dividing plate 82 are formed in a trapezoidal shape. End sides 81 a and 83 b in contact with the dividing plate 82 are inclined with respect to a direction perpendicular to the opening 61 so that the opening 61 side is closer to the center of each of the dividing plates 81 and 83 than the opposite side of the opening 61.
Further, the end sides 81 a, 82 a, 82 b, 83 b are inclined within the range of the width of the wedge-shaped long body 7.

本実施形態の板体８は、図５のように、下部基礎３上に載置された４組の楔状長尺体７上に、それぞれの端辺８１ａ，８２ａ，８２ｂ，８３ｂが載り、端辺８１ａ，８２ａ，８２ｂ，８３ｂを互いに当接させて配置される。
本実施形態の板体８の代わりに、図６の分割板８１´〜８３´を備えた板体８´を用いてもよい。図６の板体８´では、中央の分割板８２´の左右端辺８２ａ´，８２ｂ´には、上方が突出した段差８２ｃ´，８２ｄ´が、左右端辺８２ａ´，８２ｂ´の全長に亘って形成されている。
また、左右両側の分割板８１´，８３´の中央の分割板８２´側の端辺８１ａ´，８３ｂ´には、下方が突出した段差８１ｄ´，８３ｃ´が、端辺８１ａ´，８３ｂ´の全長に亘って形成されている。
従って、分割板８１´〜８３´を、下部基礎３上に載置された４組の楔状長尺体７上に載せたときに、段差８１ｄ´と段差８２ｄ´が当接して相互に係止し、段差８３ｃ´と段差８２ｃ´が当接して相互に係止する。このとき、左右両側の分割板８１´，８３´の段差８１ｄ´，８３ｃ´が、下方が突出しているので、段差８１ｄ´，８３ｃ´の上に中央の分割板８２´の両端辺８２ａ´，８２ｂ´を支持することとなり、中央の分割板８２´の両端辺８２ａ´，８２ｂ´が楔状長尺体７上から抜け落ちて空間６内に垂れ下がることを防止できる。
また、段差８１ｄ´，８２ｃ´，８２ｄ´，８３ｃ´が設けられているため、隣接する分割板８２´と分割板８１´，８３´の間に隙間ができることが防止され、ＲＣ架台４築造時に、隙間から空間６内にコンクリート中のセメントペーストが垂れることを防止できる。 As shown in FIG. 5, the plate body 8 of the present embodiment has the end sides 81 a, 82 a, 82 b, 83 b on the four sets of wedge-shaped long bodies 7 placed on the lower foundation 3, The sides 81a, 82a, 82b, 83b are arranged in contact with each other.
Instead of the plate body 8 of the present embodiment, a plate body 8 ′ including the division plates 81 ′ to 83 ′ of FIG. 6 may be used. In the plate body 8 ′ in FIG. 6, the left and right end sides 82 a ′ and 82 b ′ of the central dividing plate 82 ′ have stepped portions 82 c ′ and 82 d ′ protruding upward, along the entire length of the left and right end sides 82 a ′ and 82 b ′. It is formed over.
Further, on the end sides 81a 'and 83b' on the side of the center split plate 82 'of the left and right split plates 81' and 83 ', steps 81d' and 83c 'projecting downward are provided on the end sides 81a' and 83b '. Is formed over the entire length.
Accordingly, when the divided plates 81 ′ to 83 ′ are placed on the four sets of wedge-shaped elongated bodies 7 placed on the lower foundation 3, the step 81 d ′ and the step 82 d ′ are brought into contact with each other and locked together. Then, the step 83c ′ and the step 82c ′ come into contact with each other and are locked together. At this time, since the steps 81d ′ and 83c ′ of the left and right divided plates 81 ′ and 83 ′ protrude downward, both end sides 82a ′ and 82a ′ of the central divided plate 82 ′ are projected on the steps 81d ′ and 83c ′. 82b 'is supported, so that both end sides 82a' and 82b 'of the central divided plate 82' can be prevented from falling off the wedge-shaped elongated body 7 and hanging down into the space 6.
Further, since the steps 81d ', 82c', 82d ', 83c' are provided, it is possible to prevent a gap from being formed between the adjacent divided plates 82 'and the divided plates 81', 83 '. The cement paste in the concrete can be prevented from dripping into the space 6 from the gap.

また、本実施形態の楔状長尺体７の代わりに、図７の楔状長尺体７８，７９を用いてもよい。楔状長尺体７８には、上板部７５の幅方向の中央に、楔状長尺体の長手方向の両端部間に、長手方向に沿って伸びる溝７８ａが形成されている。
また、楔状長尺体７９には、上板部７５の幅方向の中央に、楔状長尺体の長手方向の両端部間に、長手方向に沿って伸びる凸部７９ａが形成されている。
溝７８ａの幅は、凸部７９ａの幅よりも若干広く形成され、溝７８ａの深さは、凸部７９ａの高さよりも若干大きく形成されており、楔状長尺体７８と楔状長尺体７９とを、それぞれ上板部７５を当接させて重ねたときに、凸部７９ａが溝７８ａ内に遊びを持って収納される。
このように、楔状長尺体７８，７９を用いることにより、下部基礎３上に一対の楔状長尺体７８，７９を重ね、その上に、板体８を載せる作業を行うときに、上側の楔状長尺体７９が、下側の楔状長尺体７８上から落下することを防止できる。
なお、凸部７９ａを有する楔状長尺体７９を下側、溝７８ａを有する楔状長尺体７８を上側にして重ねてもよい。 Further, instead of the wedge-shaped long body 7 of the present embodiment, the wedge-shaped long bodies 78 and 79 of FIG. 7 may be used. The wedge long body 78, the center in the width direction of the upper plate portion 75, between the ends of the long side direction of the wedge-shaped elongated body, a groove 78a extending along the long side direction are formed.
Further, the wedge long body 79, the center in the width direction of the upper plate portion 75, between the ends of the long side direction of the wedge-shaped elongated body, the convex portion 79a extending along the long side direction is formed .
The width of the groove 78a is slightly wider than the width of the convex portion 79a, and the depth of the groove 78a is slightly larger than the height of the convex portion 79a. Are stacked with the upper plate portion 75 in contact with each other, the convex portion 79a is accommodated in the groove 78a with play.
In this way, by using the wedge-shaped long bodies 78 and 79, when a pair of wedge-shaped long bodies 78 and 79 are stacked on the lower foundation 3 and the plate body 8 is placed thereon, It is possible to prevent the wedge-shaped long body 79 from dropping from above the lower wedge-shaped long body 78.
The wedge-shaped long body 79 having the convex portions 79a may be stacked on the lower side, and the wedge-shaped long body 78 having the grooves 78a may be stacked on the upper side.

＜引き出し治具＞
ＲＣ架台４築造後に、楔状長尺体７を空間６から引き出すための引き出し治具９１を、図８に示す。
図８の引き出し治具９１は、連結部９１ｃの両端から、係合部９１ａと把持部９１ｂがそれぞれ垂直に突設された略コの字状の板状体からなる。引き出し治具９１は、係合部９１ａを、楔状長尺体７の左右の側部７６に設けられた一対の係止孔７７を貫通させて係止させて、把持部９１ｂを、作業者が引っ張ることにより、楔状長尺体７を空間６から引き出すものである。 <Drawer jig>
FIG. 8 shows a drawer jig 91 for pulling out the wedge-shaped long body 7 from the space 6 after the RC mount 4 is built.
The drawing jig 91 of FIG. 8 is formed of a substantially U-shaped plate-like body in which an engaging portion 91a and a gripping portion 91b are vertically projected from both ends of the connecting portion 91c. The pulling jig 91 locks the engaging portion 91a through a pair of locking holes 77 provided on the left and right side portions 76 of the wedge-shaped elongated body 7 so that the gripping portion 91b is held by the operator. The wedge-shaped long body 7 is pulled out from the space 6 by pulling.

図９に、他の実施形態に係る引き出し治具９２を示す。引き出し治具９２は、図８の引き出し治具９１と同様の構成からなる引き出し板９３と、引き出し板９３の把持部９３ｂに一体に溶接され、把持部９３ｂから垂直に延びるボルト９４と、断面コの字状の支持部材９５とを備えている。
支持部材９５は、板部９５ａの両端部から一対の壁部９５ｂが立設された断面コの字状からなり、板部９５ａの中央に、板部９５ａを貫通するボルト孔９６が穿設されている。このボルト孔９６には、ボルト９４が螺合している。
図９の引き出し治具９２は、ボルト９４を緩めた状態で、一方の壁部９５ｂを下部基礎３に当接させ、他方の壁部９５ｂをＲＣ架台４に当接させて、引き出し板９３の不図示の係止部を楔状長尺体７の左右の側部７６に設けられた一対の係止孔７７を貫通させて係止させてから、ボルト９４を徐々に締めることにより、楔状長尺体７を空間６から引き出すものである。
図９の引き出し治具９２を用いることにより、図８の引き出し治具９１では、固くて楔状長尺体７を引き出すことができない場合でも、楔状長尺体７を引き出すことが可能となる。 FIG. 9 shows a drawer jig 92 according to another embodiment. The drawer jig 92 is integrally welded to the drawer plate 93 having the same configuration as the drawer jig 91 of FIG. 8, the grip portion 93b of the drawer plate 93, and extends vertically from the grip portion 93b. And a U-shaped support member 95.
The support member 95 has a U-shaped cross section in which a pair of wall portions 95b are erected from both ends of the plate portion 95a, and a bolt hole 96 penetrating the plate portion 95a is formed in the center of the plate portion 95a. ing. A bolt 94 is screwed into the bolt hole 96.
9 with the bolt 94 loosened, the one wall portion 95b is brought into contact with the lower base 3 and the other wall portion 95b is brought into contact with the RC mount 4 so that the drawer plate 93 By locking a not-shown locking portion through a pair of locking holes 77 provided on the left and right side portions 76 of the wedge-shaped long body 7 and then gradually tightening the bolt 94, the wedge-shaped long The body 7 is pulled out from the space 6.
By using the pulling jig 92 of FIG. 9, even if the pulling jig 91 of FIG. 8 is too hard to pull out the wedge-shaped long body 7, the wedge-shaped long body 7 can be pulled out.

図１０に、更に他の実施形態に係る引き出し治具９７を示す。引き出し治具９７は、長尺板状の連結部９７ｃの両端から、係合部９７ａと把持部９７ｂがそれぞれ垂直に突設された略コの字状の板状体からなる。係合部９７ａ，把持部９７ｂ，連結部９７ｃは、同一平面を形成しており、連結部９７ｃから把持部９７ｂへ連続する領域には、係合部９７ａ，把持部９７ｂ，連結部９７ｃによって形成される平面から垂直に、略矩形の板体からなる起立部９７ｄが立設されている。起立部９７ｄは、平面部分が連結部９７ｃの長尺方向に伸びるよう、連結部９７ｃの一方の面に溶接固定されている。
引き出し治具９７は、係合部９７ａを、楔状長尺体７の左右の側部７６に設けられた一対の係止孔７７を貫通させて係止させて、把持部９７ｂを、作業者の片手で支え、起立部９７ｄを係合部９７ａに近い側からハンマーで叩くことにより、楔状長尺体７を空間６から引き出すものである。
このように、連結部９７ｃを長尺とし、係合部９７ａから離れた位置に、起立部９７ｄを設けているので、起立部９７ｄをハンマーで叩くことが可能となり、図８の引き出し治具９１では、固くて楔状長尺体７を引き出すことができない場合でも、楔状長尺体７を引き出すことが可能となる。 FIG. 10 shows a drawing jig 97 according to still another embodiment. The drawing jig 97 is formed of a substantially U-shaped plate-like body in which an engaging portion 97a and a gripping portion 97b are vertically projected from both ends of a long plate-like connecting portion 97c. The engaging portion 97a, the gripping portion 97b, and the connecting portion 97c are formed on the same plane, and a region continuous from the connecting portion 97c to the gripping portion 97b is formed by the engaging portion 97a, the gripping portion 97b, and the connecting portion 97c. An upright portion 97d made of a substantially rectangular plate is erected vertically from the flat surface. The upright portion 97d is welded and fixed to one surface of the connecting portion 97c so that the plane portion extends in the longitudinal direction of the connecting portion 97c.
The drawing jig 97 engages the engaging portion 97a with a pair of locking holes 77 provided in the left and right side portions 76 of the wedge-shaped elongated body 7 and locks the gripping portion 97b to the operator. The wedge-shaped long body 7 is pulled out from the space 6 by supporting it with one hand and hitting the standing portion 97d with a hammer from the side close to the engaging portion 97a.
As described above, since the connecting portion 97c is long and the standing portion 97d is provided at a position away from the engaging portion 97a, the standing portion 97d can be hit with a hammer, and the drawing jig 91 shown in FIG. Then, even when it is hard and the wedge-shaped long body 7 cannot be pulled out, the wedge-shaped long body 7 can be pulled out.

＜浮き架台構造の施工方法＞
本実施形態の浮き架台用型枠材を用いて、戸建て住宅の免震基礎構造に用いられる浮き架台構造を施工する方法について説明する。
まず、下部基礎３を、常法によりコンクリートを打設し養生固化することにより築造する基礎工事を行う。
次に、下部基礎３上の、建物の垂直荷重を受ける各支柱下となる位置に、免震装置５を配置し、常法により、コンクリート垂れ防止機構を設置する。
次いで、下部基礎３上の複数の免震装置５の間に形成された空間６に、複数対の楔状長尺体７を配置する。 <Construction method for floating frame structure>
A method for constructing a floating pedestal structure used for a base-isolated base structure of a detached house by using the form material for the floating pedestal of the present embodiment will be described.
First, the foundation work for constructing the lower foundation 3 by placing concrete and curing it by a conventional method is performed.
Next, the seismic isolation device 5 is disposed on the lower foundation 3 at a position below each column that receives the vertical load of the building, and a concrete sag prevention mechanism is installed by a conventional method.
Next, a plurality of pairs of wedge-shaped long bodies 7 are arranged in a space 6 formed between the plurality of seismic isolation devices 5 on the lower foundation 3.

まず、楔状長尺体７を、下板部７１を下にして、長手方向が、開口６１に垂直になるように、下部基礎３上に配置する。このとき、厚肉端部７４が、下部基礎３の開口６１側の端辺上に位置するようにする。
次いで、この楔状長尺体７の上に、もう一つの楔状長尺体７を、下板部７１を上にして、先端部７３が、下方の楔状長尺体７の厚肉端部７４上に位置し、厚肉端部７４が、下方の楔状長尺体７の先端部７３上に位置するように、重ねて配置する。このとき、下方の楔状長尺体７の上面を、上方の楔状長尺体７によって完全に被覆し、下方の楔状長尺体７の上面のすべての部分が、上方の楔状長尺体７の上面よりも下方に位置するようにする。
また、上方の楔状長尺体７の全体が、下方の楔状長尺体７に載っており、上方の楔状長尺体７の下面が、下部基礎３に当接しないようにする。 First, the wedge-shaped long body 7 is disposed on the lower foundation 3 so that the longitudinal direction is perpendicular to the opening 61 with the lower plate portion 71 facing down. At this time, the thick end portion 74 is positioned on the end side of the lower foundation 3 on the opening 61 side.
Next, another wedge-shaped elongated body 7 is placed on the wedge-shaped elongated body 7 with the lower plate portion 71 facing upward, and the tip 73 is on the thick end 74 of the lower wedge-shaped elongated body 7. The thick end portion 74 is disposed so as to overlap the tip portion 73 of the lower wedge-shaped elongated body 7. At this time, the upper surface of the lower wedge-shaped elongated body 7 is completely covered with the upper wedge-shaped elongated body 7, and all the upper surface of the lower wedge-shaped elongated body 7 is covered with the upper wedge-shaped elongated body 7. It should be positioned below the top surface.
Further, the entire upper wedge-shaped elongated body 7 is placed on the lower wedge-shaped elongated body 7 so that the lower surface of the upper wedge-shaped elongated body 7 does not contact the lower foundation 3.

このように、一対の楔状長尺体７を上下に重ねたものを、図４，図５に示すように、免震装置５に隣接した位置の２箇所と、免震装置５間の空間６を、下部基礎３の長手方向に三等分する２箇所との合計４箇所に配置する。
次いで、楔状長尺体７の上に、板体８を載置する。このとき、端辺８１ａ，８２ａ，８２ｂ，８３ｂのすべての部分が、楔状長尺体７の上面上に載るようにする。
その後、ＲＣ架台４の不図示の型枠を常法により設置し、常法によりコンクリートを打設し、養生固化してＲＣ架台４を築造する。ＲＣ架台４上に、上部構造を築造して、戸建て住宅を築造する。 As shown in FIGS. 4 and 5, a pair of wedge-shaped long bodies 7 stacked one above the other in this manner at two locations adjacent to the seismic isolation device 5 and the space 6 between the seismic isolation devices 5. Are arranged in a total of four places including two places that are divided into three equal parts in the longitudinal direction of the lower foundation 3.
Next, the plate body 8 is placed on the wedge-shaped long body 7. At this time, all the portions of the end sides 81 a, 82 a, 82 b, 83 b are placed on the upper surface of the wedge-shaped long body 7.
Thereafter, a formwork (not shown) of the RC mount 4 is installed by a conventional method, concrete is cast by a conventional method, and the RC mount 4 is built by curing and solidifying. A superstructure is built on the RC mount 4 to build a detached house.

その後、楔状長尺体７及び板体８を空間６から引き出す。
この工程では、まず、引き出し治具９１の係合部９１ａを、上下に重ねられた一対の楔状長尺体７のうち、下側の楔状長尺体７の係止孔７７に係合させ、把持部９１ｂを引くことにより、下側の楔状長尺体７を引き出す。下側の楔状長尺体７を引き出すことにより、上側の楔状長尺体７が下部基礎３上に落下し、板体８との間に隙間ができるため、手で上側の楔状長尺体７を引き出す。
同様にして、他の対になった楔状長尺体７もすべて引き出す。
その後、板体８を構成する分割板８１，８２，８３のうち、中央の分割板８２を引き出す。中央の分割板８２は、両端辺８２ａ，８２ｂが、開口６１側が開口６１逆側よりも幅広になるように傾斜しているため、容易に取り出すことができる。
続いて、分割板８１，８３を取り出す。
楔状長尺体７及び板体８を、すべての空間６から引き出した後、開口６１を、カバーやエクスパンションジョイント等の遮蔽部材で遮蔽して、浮き架台構造の施工を完了する。 Thereafter, the wedge-shaped long body 7 and the plate body 8 are pulled out from the space 6.
In this step, first, the engaging portion 91a of the drawer jig 91 is engaged with the engaging hole 77 of the lower wedge-shaped elongated body 7 out of the pair of wedge-shaped elongated bodies 7 stacked one above the other. By pulling the grip portion 91b, the lower wedge-shaped elongated body 7 is pulled out. By pulling out the lower wedge-shaped elongate body 7, the upper wedge-shaped elongate body 7 falls on the lower foundation 3 and a gap is formed between the plate body 8, and therefore the upper wedge-shaped elongate body 7 is manually formed. Pull out.
Similarly, all the other pair of wedge-shaped long bodies 7 are pulled out.
Thereafter, among the divided plates 81, 82, 83 constituting the plate body 8, the central divided plate 82 is pulled out. The center dividing plate 82 can be easily taken out because both end sides 82a and 82b are inclined so that the opening 61 side is wider than the opening 61 opposite side.
Subsequently, the dividing plates 81 and 83 are taken out.
After the wedge-shaped long body 7 and the plate body 8 are drawn out from all the spaces 6, the opening 61 is shielded by a shielding member such as a cover or an expansion joint, thereby completing the construction of the floating frame structure.

本実施形態では、下側の楔状長尺体７を引き出すときに、上側の楔状長尺体７と当接する傾斜面がガイドとなって、スムーズに下側の楔状長尺体７を引き出すことができる。更に、楔状長尺体７の長手方向の断面が、概略直角三角形となっているため、下側と上側の楔状長尺体７が当接する傾斜面を長く構成できる。これにより、空間６内に設置したときには、楔状長尺体７が開口６１から滑り出しにくくすることができると同時に、下側の楔状長尺体７を引き出すときには、ガイドとなる傾斜面が長くなり、より円滑に引き出すことが可能となる。
なお、本実施形態では、下側の楔状長尺体７の厚肉端部７４及び上側の楔状長尺体７の先端部７３を開口６１側に配置しているが、下側の楔状長尺体７の先端部７３及び上側の楔状長尺体７の厚肉端部７４を開口６１側に配置し、上側の楔状長尺体７を先に引き抜くようにしてもよい。 In this embodiment, when the lower wedge-shaped elongated body 7 is pulled out, the inclined surface that comes into contact with the upper wedge-shaped elongated body 7 serves as a guide, so that the lower wedge-shaped elongated body 7 can be pulled out smoothly. it can. Furthermore, since the cross section in the longitudinal direction of the wedge-shaped long body 7 is a substantially right-angled triangle, the inclined surface with which the lower and upper wedge-shaped long bodies 7 abut can be configured to be long. Thereby, when installed in the space 6, the wedge-shaped long body 7 can be made difficult to slide out from the opening 61, and at the same time, when the lower wedge-shaped long body 7 is pulled out, the inclined surface serving as a guide becomes long, It can be pulled out more smoothly.
In this embodiment, the thick end 74 of the lower wedge-shaped elongated body 7 and the tip 73 of the upper wedge-shaped elongated body 7 are disposed on the opening 61 side. The distal end 73 of the body 7 and the thick end 74 of the upper wedge-shaped long body 7 may be arranged on the opening 61 side, and the upper wedge-shaped long body 7 may be pulled out first.

１ 免震基礎構造
２ 地盤
３ 下部基礎
４ ＲＣ架台
５ 免震装置
５ａ 平滑板
５ｂ 滑り板
６ 空間
７，７８，７９ 楔状長尺体
８，８´ 板体
６１ 開口
７１ 下板部
７２ テーパ枠部
７３ 先端部
７４ 厚肉端部
７５ 上板部
７６ 側部
７７ 係止孔
７８ａ 溝
７９ａ 凸部
８１，８２，８３，８１´，８２´，８３´ 分割板
８１ａ，８１ｂ，８２ａ，８２ｂ，８３ａ，８３ｂ，８１ａ´，８２ａ´，８２ｂ´，８３ｂ´ 端辺
８１ｄ´，８２ｃ´，８２ｄ´，８３ｃ´ 段差
９１，９２，９７ 引き出し治具
９１ａ，９７ａ 係合部
９１ｂ，９３ｂ，９７ｂ 把持部
９１ｃ，９７ｃ 連結部
９３ 引き出し板
９４ ボルト
９５ 支持部材
９５ａ 板部
９５ｂ 壁部
９６ ボルト孔
９７ｄ 起立部 DESCRIPTION OF SYMBOLS 1 Seismic isolation base structure 2 Ground 3 Lower foundation 4 RC mount 5 Seismic isolation device 5a Smooth plate 5b Sliding plate 6 Space 7, 78, 79 Wedge-like long body 8, 8 'Plate body 61 Opening 71 Lower plate part 72 Tapered frame part 73 End portion 74 Thick end portion 75 Upper plate portion 76 Side portion 77 Locking hole 78a Groove 79a Convex portions 81, 82, 83, 81 ', 82', 83 'Dividing plates 81a, 81b, 82a, 82b, 83a, 83b, 81a ', 82a', 82b ', 83b' End sides 81d ', 82c', 82d ', 83c' Steps 91, 92, 97 Pull-out jigs 91a, 97a Engaging portions 91b, 93b, 97b Holding portions 91c, 97c Connecting portion 93 Drawer plate 94 Bolt 95 Support member 95a Plate portion 95b Wall portion 96 Bolt hole 97d Standing portion

Claims (9)

建物の下部基礎と上部基礎との間に、免震装置がスライド可能な空間を形成する浮き架台用型枠材であって、
前記下部基礎上に載置される複数の長尺支持体と、該複数の長尺支持体の上に載置される板体と、を備え、
前記長尺支持体は、前記下部基礎上に載置され、前記長尺支持体の長手方向に沿って傾斜した第一の傾斜面を上面に備えた下側部材と、該下側部材上に重ねて載置され、下面に、前記第一の傾斜面に当接する第二の傾斜面を備えた上側部材と、を備え、
前記上側部材及び前記下側部材のうち、最初に前記空間から引き出される部材は、該部材を引き出す引き出し治具を取付けるための引き出し治具取付部を備えていることを特徴とする浮き架台用型枠材。 It is a formwork material for a floating stand that forms a space in which the seismic isolation device can slide between the lower foundation and the upper foundation of the building,
A plurality of long supports placed on the lower foundation, and a plate placed on the plurality of long supports,
The long support is placed on the lower base, and a lower member having a first inclined surface inclined along the longitudinal direction of the long support on the upper surface, and on the lower member And an upper member provided with a second inclined surface that is placed on the lower surface and contacts the first inclined surface,
Of the upper member and the lower member, a member that is first pulled out of the space includes a pull-out jig mounting portion for mounting a pull-out jig for pulling out the member. Frame material. 前記上側部材と、前記下側部材は、該下側部材上に前記上側部材が重ねられた状態で、前記空間の前記下部基礎上に複数組配置され、
前記板体は、該板体が複数に分割された分割板が側方に並べられてなり、
隣り合う一対の前記分割板が互いに当接する当接面の下端線は、全長が、前記上側部材の上面の範囲内に含まれることを特徴とする請求項１記載の浮き架台用型枠材。 The upper member and the lower member are arranged in a plurality on the lower foundation of the space in a state where the upper member is overlapped on the lower member,
The plate body is formed by side-by-side dividing plates obtained by dividing the plate body into a plurality of pieces,
2. The formwork for a susceptor according to claim 1, wherein a lower end line of a contact surface where a pair of adjacent divided plates contact each other has a total length within a range of an upper surface of the upper member. 複数の前記分割板のうち、最初に引き出される第一の前記分割板の側面は、前記空間から前記上側部材及び前記下側部材を引き出すための開口側が、前記開口の逆側よりも、前記第一の分割板の中央から遠くなるように、前記開口に対して傾斜していることを特徴とする請求項２記載の浮き架台用型枠材。 Among the divided plate multiple, the first side of the dividing plate which is first pulled out, the opening side for pulling out the upper member and the lower member from said space, than the opposite side of said opening, said The formwork material for a floating stand according to claim 2, wherein the form material is inclined with respect to the opening so as to be far from the center of the first divided plate. 前記第一の分割板の側面は、隣接する他の前記分割板の側面に係合する係合部を備え、
該係合部は、前記第一の分割板の側面の前記他の分割板の側面に対する上下方向の移動を規制することを特徴とする請求項３記載の浮き架台用型枠材。 The side surface of the first divided plate includes an engaging portion that engages with a side surface of another adjacent divided plate,
4. The formwork for a susceptor according to claim 3, wherein the engaging portion restricts a vertical movement of a side surface of the first divided plate with respect to a side surface of the other divided plate. 前記下側部材及び前記上側部材は、前記長手方向の一端に、厚さの薄い先端部を備えると共に、他端に、厚さの厚い厚肉端部を備えており、該厚肉端部から前記先端部にかけて、徐々に厚さが薄くなるように形成された楔状長尺体から形成され、
前記長尺支持体は、下側の前記楔状長尺体の前記先端部及び前記厚肉端部に、上側の前記楔状長尺体の前記厚肉端部及び前記先端部がそれぞれ重なるように、前記下側の楔状長尺体上に前記上側の楔状長尺体が重ねられて構成され、
前記上側又は前記下側の楔状長尺体は、前記厚肉端部が、前記開口側に位置するように配置され、
前記引き出し治具取付部は、前記厚肉端部側に設けられた前記引き出し治具が係止される係止孔からなることを特徴とする請求項３又は４記載の浮き架台用型枠材。 The lower member and the upper member, the one longitudinal end provided with a thin tip thicknesses, the other end is provided with a thick walled end thicknesses, from the thick end It is formed from a wedge-shaped long body formed so that the thickness gradually decreases over the tip part,
The elongate support body is arranged such that the thick end portion and the tip end portion of the upper wedge-shaped elongate body overlap the tip end portion and the thick end portion of the lower wedge-shaped elongate body, respectively. the upper wedge long body is constituted by superimposed on a wedge-shaped elongated body of the lower,
The upper or lower wedge-shaped elongated body is disposed so that the thick end portion is located on the opening side,
5. The formwork material for a floating base according to claim 3, wherein the pull-out jig mounting portion includes a locking hole for locking the pull-out jig provided on the thick end portion side. . 前記上側及び前記下側の楔状長尺体の少なくとも一方は、前記長手方向の側面の前記厚肉端部側に、前記係止孔を備えていることを特徴とする請求項５記載の浮き架台用型枠材。 Wherein at least one of the upper and the lower wedge long body, the thick end portion side of the side surface of the long side direction, float according to claim 5, characterized in that it comprises the locking hole Mount formwork. 前記上側及び前記下側の楔状長尺体の少なくとも一方は、一対の前記側面に、それぞれ、前記係止孔を備え、
前記一対の側面に設けられた一対の前記係止孔は、前記厚肉端部から同じ距離を隔てた位置に形成されていることを特徴とする請求項６記載の浮き架台用型枠材。 At least one of the upper and lower wedge-shaped elongated bodies is provided with the locking holes on the pair of side surfaces,
The pair of locking holes provided in the pair of side surfaces are formed at positions spaced from the thick end portion by the same distance. 前記上側及び前記下側の楔状長尺体のうち一方は、重ねられたときに他方の前記楔状長尺体に当接する面に、前記長手方向に伸びる凸部を備え、前記他方の楔状長尺体は、重ねられたときに前記一方の前記楔状長尺体に当接する面に、前記凸部を収納可能な溝を備えることを特徴とする請求項５乃至７いずれか記載の浮き架台用型枠材。 Wherein one of the upper and the lower wedge long body is the surface abutting the other of the wedge long body when superposed, comprising a protrusion extending in the long side direction, the other wedge-shaped length The scale according to any one of claims 5 to 7, wherein the scale includes a groove capable of accommodating the convex portion on a surface that abuts on the one wedge-shaped long body when the scale is overlapped. Formwork material. 建物の下部基礎と上部基礎との間に免震装置がスライド可能な空間を形成する浮き架台構造の施工方法であって、
前記下部基礎上に、長尺支持体の長手方向に沿って傾斜した第一の傾斜面を上面に備えた下側部材を載置し、下面に、前記第一の傾斜面に当接する第二の傾斜面を備えた上側部材を、前記下側部材上に載置する手順を、複数回繰り返すことにより、前記下側部材と前記上側部材とからなる前記長尺支持体を前記下部基礎上に載置すると共に、前記下部基礎上に、前記免震装置を載置する工程と、
複数の前記長尺支持体の上に、板体を載置する工程と、
前記板体及び前記免震装置の上に、上部基礎を築造する工程と、
前記上側部材及び前記下側部材のうち、最初に前記空間から引き出される部材の引き出し治具取付部に、引き出し治具を取付けて、前記最初に前記空間から引き出される部材を取り出す工程と、を備えることを特徴とする浮き架台構造の施工方法。 A construction method of a floating structure that forms a space in which a seismic isolation device can slide between a lower foundation and an upper foundation of a building,
On the lower foundation, the lower member having a first inclined surface inclined in the longitudinal direction of the long substrate on the top surface is placed on the lower surface, in contact with the second to the first inclined surface of the upper member having an inclined surface, the steps of placing on said lower member, by repeating a plurality of times, the long support body consisting of the lower side member and the upper member on the lower foundation And placing the seismic isolation device on the lower foundation ,
Over the long support multiple, the step of mounting the plate body,
Constructing an upper foundation on the plate and the seismic isolation device;
A step of attaching a drawer jig to a drawer jig mounting portion of a member that is first pulled out of the space among the upper member and the lower member, and taking out the member that is first pulled out of the space. The construction method of the floating mount structure characterized by this.
JP2012270437A 2012-12-11 2012-12-11 Form material for floating stand and construction method of floating stand structure Expired - Fee Related JP6091200B2 (en)

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