JP6346238B2 - Suspension stand for temporary scaffolding - Google Patents

Description

  The present invention relates to a temporary scaffolding stand. In particular, there is a temporary scaffolding that can be installed in a seismic isolation slab of a seismic isolation building such as a building or an apartment, and is installed in the height direction along the protruding veranda etc. that protrudes horizontally from the outer wall of the seismic isolation structure building. The present invention relates to a structure of a temporary scaffolding stand for supporting a temporary scaffold so as not to fall down due to an earthquake or the like.

  Generally, a temporary scaffold is temporarily constructed along the outer wall surface of a building and is constructed hierarchically by combining a plurality of steel pipes and scaffold members. For example, the frame scaffolding is constructed by reinforcing the frame by connecting the vertical surfaces on opposite sides of the building frame facing each other with crossing bars, and by sequentially adding the building frame upward to the required height.

  When a temporary scaffold is installed outside a base-isolated structure, conventionally, the temporary scaffold is assembled on a floor plate made of a concrete panel laid on the ground, as in the case of constructing a non-base-isolated structure. The assembled temporary scaffold is connected to the outer wall of the seismically isolated building by a wall-connecting bracket.

  However, in the event of an earthquake, the direction of shaking of the seismic isolation structure and the direction of ground motion are opposite to each other. The upper part fixed to the seismic structure building and the lower end close to the ground had different ways of shaking, and there was a concern that the temporary scaffold would fall.

  In response to the above problems, a support structure for a frame scaffold for a seismic isolation structure is disclosed that supports the temporary scaffold so that the temporary scaffold connected to the seismic isolation structure does not fall down due to a shake such as an earthquake. (For example, refer to Patent Document 1).

Japanese Patent Laid-Open No. 2002-4571

  FIG. 12: is a longitudinal cross-sectional view which shows the structure of the support structure of the frame isolation scaffold for a base isolation structure building by a prior art. Note that FIG. 12 of the present application corresponds to FIG.

  Referring to FIG. 12, a support structure (hereinafter simply referred to as a support structure) 8 of a seismic isolation building framework scaffold 8 according to the prior art is arranged along the outer wall We of the seismic isolation structure St. I support it.

  Referring to FIG. 12, the frame scaffold 91 includes a plurality of building frames 91 a and wall connecting brackets 911. The frame scaffold 91 can be constructed by adding a plurality of building frames 91a in the height direction. One end of the wall connecting bracket 911 is connected to the pipe member 91p of the building frame 91a, and the other end is fastened to the outer wall We of the seismic isolation building St. The plurality of wall connecting brackets 911 connect the frame scaffold 91 to the outer wall We of the base-isolated structure St.

  Referring to FIG. 12, the seismic isolation structure St forms a basement Bv by constructing a base Bv on the base part floor Bf. Moreover, the seismic isolation structure building St constructs the underground beam Be via the seismic isolation device Gi installed on the foundation Bv, and constitutes the underground part. And the first-floor slab Sv1 is constructed on the underground beam Be. Furthermore, the outer wall We is constructed on the first floor slab Sv1.

  Referring to FIG. 12, an outer basement wall Wb is constructed in the vertical direction toward the ground at the periphery of the foundation floor Bf. An iron plate Fp is laid so as to cover the ground G from the upper end edge of the underground outer wall Wb.

  Referring to FIG. 12, the support structure 8 includes a steel plate 81, an H-shaped steel 82, and a sliding support member 83. The steel plate 81 has a frame scaffold 91 mounted thereon. Further, one end of the steel plate 81 is fixed to the end of the first floor slab Sv1 with an anchor bolt or the like. The H-shaped steel 82 is placed on the iron plate Fp. The H-shaped steel 82 supports the steel plate 81 via the sliding support material 83.

  Referring to FIG. 12, the sliding support member 83 is disposed between the lower surface of the steel plate 81 and the upper surface of the H-shaped steel 82. The sliding support member 83 has a stainless plate 83a laminated on a wooden plate 83b. The sliding support member 83 supports the steel plate 81 slidably with respect to the H-shaped steel 82.

  Referring to FIG. 12, since the support structure 8 according to Patent Document 1 is configured as described above, when the seismic isolation building St is shaken by an earthquake or the like, the steel plate 81 on which the frame scaffold 91 is mounted. Is supported by the H-shaped steel 82 via the sliding support member 83, and therefore, it swings in the same manner as the swing of the first floor slab Sv1.

  Referring to FIG. 12, in the support structure 8 according to Patent Document 1, even if the frame scaffold 91 is connected to the outer wall We by the wall connecting bracket 911, the frame scaffold 91 swings in the same manner as the upper part of the base-isolated structure St. Will be better. As a result, the support structure 8 according to Patent Document 1 can prevent the frame scaffold 91 from being overturned because an excessive force is not applied to the frame scaffold 91 even if an earthquake occurs.

  However, seismic isolation structures such as buildings or condominiums sometimes protrude from the outer wall of a veranda or the like in the horizontal direction. Therefore, the temporary scaffold is installed in the height direction along the jump. In general, the area of the ground beyond the jump is an expansion of the seismic isolation slab that shares the shaking with the base isolation structure building. In other words, the temporary scaffold for jumping out is installed outside the section of the seismic isolation slab. And, the temporary scaffold for jumping and the base-isolated structure have different ways of shaking due to an earthquake or the like, so there was a concern that the temporary scaffold would fall.

  When the support structure 8 according to Patent Document 1 is installed outside the partition of the seismic isolation slab, there is a problem that the horizontal length of the steel plate on which the temporary scaffold is mounted must be increased. Further, the support structure according to Patent Document 1 has a problem that it is difficult to absorb vertical vibration even though it can absorb horizontal vibration. Further, the support structure according to Patent Document 1 has a concern that the temporary scaffold may fall due to the settlement of the ground.

  There is a need for a temporary scaffolding stand that securely supports the temporary scaffolding so that the temporary scaffolding installed in the height direction will not fall over due to an earthquake, etc. It has been. The above can be said to be the subject of the present invention.

  The present invention has been made in view of such a problem, and the temporary scaffolding installed in the height direction does not fall down due to an earthquake or the like along the protrusion protruding in the horizontal direction from the outer wall of the seismic isolation structure building. Another object of the present invention is to provide a temporary scaffolding platform that reliably supports the temporary scaffolding.

  The inventors of the present invention have installed a plurality of square pillars installed in the seismic isolation slab compartment and extending in the vertical direction toward the bottom surface of the spring, and fixed to the upper part of these square pillars, The steel platform is made of a plurality of steel members that abut against the bottom surface of the spring and extend outwardly from the outer wall to form a temporary scaffolding stand. Based on this, it is considered that the seismic isolation structure building and the temporary scaffold can share the shaking by installing a temporary scaffold in the projecting part, and based on this, for the following temporary scaffold It came to invent the spring stand.

  (1) The temporary scaffolding platform according to the present invention is disposed along the first projecting of the base-isolated structure building having the first projecting projecting horizontally from the outer wall and continuously extending in the height direction. A temporary scaffolding platform for supporting the temporary scaffolding, wherein the first springing unit is installed in a section of a seismic isolation slab that can vibrate integrally with the base isolation structure building, and is disposed opposite to the base isolation slab. A plurality of square struts arranged in a state of extending vertically toward the bottom surface and one flange is detachably fixed to the upper part of these square struts, and the other flange is the first spring-out of the bottom layer A plurality of structural steel members that extend outwardly from the outer wall along the bottom surface of the first spring and are arranged in a horizontal direction. Bounce beyond the end of the first bounce The have the Hanedashi unit is detachably securing the proximal end of Kenwaku constituting the temporary scaffold.

  (2) The first spring has an adhesive anchor member composed of a plurality of female screw members placed on the bottom surface, and the shape steel member is connected to the adhesive anchor member via the other flange. It is preferable to have a bolt member that can be fastened.

  (3) The temporary scaffolding platform according to the present invention is the second projecting of the seismic isolation structure building having the second projecting projecting horizontally from the outer wall and constituting the veranda arranged in the height direction. A temporary scaffolding stand for supporting the temporary scaffolding disposed along the base, and installed in the second jumping that can vibrate integrally with the base-isolated structure building, and disposed opposite to the second jumping A plurality of square struts arranged in a vertical direction toward the bottom surface of the upper second jump, and detachably fixed to the upper portion of the square strut, A plurality of structural steel members that are in contact with the bottom surface and extend outwardly from the outer wall along the bottom surface of the upper second protrusion, and are disposed in the horizontal direction. Bounce beyond the end of the second bounce Have to part, the Hanedashi portion, the proximal end portion of Kenwaku constituting the temporary scaffold is detachably fixed.

  (4) It is preferable that the shape steel member is made of a steel mountain retaining material having end plates at both ends, and one end plate is bolted to the outer wall.

(5) The method for assembling the temporary scaffolding stand according to the present invention is the first projecting of the seismic isolation structure building having the first projecting projecting horizontally from the outer wall and continuously extending in the height direction. An assembly method for a temporary scaffolding stand supporting a temporary scaffold placed along the temporary scaffolding, wherein the temporary scaffolding stand is installed in a partition of a base isolation slab that can vibrate together with the base isolation structure building. A plurality of square struts arranged vertically extending toward the bottom surface of the lowermost first protrusion and one flange is detachably fixed to the top of these square struts, and the other flange A plurality of structural steel members arranged in the horizontal direction, abutting on the bottom surface of the first spring of the lowest layer and extending outward from the outer wall along the bottom surface of the first spring; These structural steel members are provided with the first steel member. A first step of having a protruding portion beyond a protruding end, laying an iron plate on the seismic isolation slab, and installing a plurality of the square pillars on the iron plate; And a second step of constructing the scaffold plate in a multi-stage in the height direction, and an adhesive anchor member composed of a plurality of female screw members connected to the bottom surface of the first spring of the lowermost layer. The third step of placing the jack on the top of the square support, and mounting the shape steel member on the plurality of jacks, and using a plurality of clamp members, A fourth step of fixing one of the flanges and the jack; and operating the jack to bring the other flange of the structural steel member into contact with the bottom surface of the first spring of the lowest layer, and via the other flange The adhesive anchor A fifth step of fastening the bolt member to member, a sixth step of placing the scaffolding plate Hanedashi portion of the shaped steel member, by using a plurality of clamp members, group Kenwaku constituting the temporary scaffold And a seventh step of fixing the end portion to the protruding portion.

  The temporary scaffolding platform according to the present invention is installed in a section of a seismic isolation slab, a plurality of square pillars arranged in a state of extending vertically toward the bottom surface of the outer wall and the bottom surface of the projection, and these squares The steel scaffolding is made up of a steel scaffolding that is fixed to the upper part of the column, abuts against the bottom surface of the lowermost spring, and is composed of a plurality of shaped steel members that extend outward from the outer wall. The material has a protruding portion beyond the end of the protruding portion, and the temporary scaffolding can be shared by the seismic isolation structure building by installing the temporary scaffolding in the protruding portion. The temporary scaffolding platform according to the present invention ensures the temporary scaffolding so that the temporary scaffolding installed in the height direction does not fall down due to an earthquake or the like along the horizontal projection protruding from the outer wall of the seismic isolation structure building. Can be supported.

It is a left view which shows the structure of the spring scaffold for temporary scaffolding by one Embodiment of this invention. FIG. 2 is a view of a temporary scaffolding stand for assembling the temporary scaffolding stand according to the embodiment, and FIG. 2 (A) is a left side view of the temporary scaffolding stand, on the seismic isolation slab. FIG. 2 (B) is an enlarged view of the main part of FIG. 2 (A). FIG. 4 is a front view of the temporary scaffolding stand for assembling the temporary scaffolding stand according to the embodiment, and is a state diagram in which the scaffolding plate is constructed on the square support. It is a front view of the temporary scaffolding stand for assembly of the temporary scaffolding stand according to the embodiment, and is a state diagram in which a jack is attached to the upper part of the square support. FIG. 5 is a left side view of the temporary scaffolding stand for assembling the temporary scaffolding stand according to the embodiment, and is a state diagram in which the steel pile material is mounted on the jack. FIG. 4 is a left side view of the temporary frame scaffolding stand for assembling the temporary scaffold stand according to the embodiment, and is a state diagram in which the steel pile material is brought into contact with the bottom surface of the bottom layer jumping base. . FIG. 4 is a left side view of the temporary scaffolding stand for assembling the temporary scaffolding stand according to the embodiment, and is a state diagram in which scaffolding plates are installed at a plurality of jumping portions. FIG. 4 is a left side view of the frame scaffolding stand for showing the assembly procedure of the temporary scaffolding stand according to the embodiment, and is a state diagram in which the base end portion of the building frame constituting the temporary scaffold is fixed to the jumping portion. . It is a front view of the temporary scaffolding stand for assembling the temporary scaffolding stand according to the embodiment, and is a state diagram after a series of assembling operations. It is a right view which shows the structure of the spring stand for temporary scaffolding by another embodiment of this invention. It is a principal part enlarged view of FIG. 10, and is the state figure which fixed the base end part of the building frame which comprises a temporary scaffold to the protrusion part. It is a longitudinal cross-sectional view which shows the structure of the support structure of the frame scaffold for seismic isolation structure buildings by a prior art.

Hereinafter, embodiments for carrying out the present invention will be described with reference to the drawings.
[Configuration of the temporary scaffolding stand]
Initially, the structure of the temporary scaffolding stand according to one embodiment of the present invention will be described.

  FIG. 1 is a left side view showing the configuration of a temporary scaffolding stand according to an embodiment of the present invention. FIG. 2 is a diagram of a temporary scaffolding stand for assembling the temporary scaffolding stand according to the embodiment, and FIG. 2 (A) is a left side view of the temporary scaffolding stand. FIG. 2B is a state diagram in which a plurality of square pillars are installed on the seismic isolation slab, and is an enlarged view of a main part of FIG.

  FIG. 3 is a front view of the temporary scaffolding stand for assembling the temporary scaffolding stand according to the embodiment, and is a state diagram in which the scaffolding plate is constructed on the square support.

  FIG. 4 is a front view of the temporary scaffolding stand for assembling the temporary scaffolding stand according to the embodiment, and is a state diagram in which a jack is attached to the upper portion of the square support.

  FIG. 5 is a left side view of the temporary scaffolding stand for assembling the temporary scaffolding stand according to the above-described embodiment, and is a state diagram in which the steel pile material is mounted on the jack.

  FIG. 6 is a left side view of the temporary scaffolding stand for assembling the temporary scaffolding stand according to the embodiment, in which the steel mountain retaining material is in contact with the bottom surface of the bottommost jumping base. FIG.

  FIG. 7 is a left side view of the temporary scaffolding stand for assembling the temporary scaffolding stand according to the embodiment, and is a state diagram in which scaffolding plates are installed at a plurality of jumping portions.

  FIG. 8 is a left side view of the temporary scaffolding stand for assembling the temporary scaffolding stand according to the embodiment, in which the base end portion of the building frame constituting the temporary scaffold is fixed to the protruding portion. It is a state diagram.

  FIG. 9 is a front view of the temporary scaffolding stand for assembling the temporary scaffolding stand according to the embodiment, and is a state diagram after a series of assembling operations.

  In addition, since the effect | action is attached | subjected to the component which attached | subjected the code | symbol same as the code | symbol used by the prior art, description may be abbreviate | omitted below.

(overall structure)
Next, the whole structure of the temporary scaffolding stand according to the embodiment of the present invention will be described. Referring to FIGS. 1 to 9, a temporary scaffolding stand (hereinafter referred to as a jumping stand) 10 according to an embodiment of the present invention includes a plurality of square struts 1 and steel piles that are a plurality of shape steel members. A material 2 is provided.

  With reference to FIG. 1 or FIG. 8 and FIG. 9, the jumping stand 10 can support the temporary scaffold 9 arranged along the first jumping Wh of the seismic isolation structure St. The first jump Wh protrudes in the horizontal direction from the outer wall We of the seismic isolation structure St, and is continuously provided in the height direction of the seismic isolation structure St.

  With reference to FIGS. 1 to 3, a plurality of square pillars 1 are installed in a section of a seismic isolation slab Sv that can vibrate integrally with a base isolation structure St. In the embodiment, the plurality of square pillars 1 are installed on the iron plate Fp laid on the seismic isolation slab Sv. Further, the plurality of square pillars 1 are arranged in a state of extending in the vertical direction toward the bottom surface of the first spring-out Wh of the lowermost layer arranged opposite to the seismic isolation slab Sv. Referring to FIG. 1, the seismic isolation slab Sv is separated from the ground G through the cavity Exp. A part of the iron plate Fp can be opened when the ground G shakes.

  With reference to FIG. 1 or FIG. 7 and FIG. 8, the steel pile material 2 has one flange 20 f fixed to the upper part of the pair of square pillars 1, 1 in a detachable manner. Moreover, the steel mountain retaining material 2 has the other flange 21f in contact with the bottom surface of the lowermost first spring Wh. The steel mountain retaining material 2 extends outward from the outer wall We along the bottom surface of the first spring Wh and is disposed in the horizontal direction.

  With reference to FIG. 1 or FIG. 7 and FIG. 8, the steel pile material 2 has a protruding portion 21 beyond the end of the first protruding Wh. A base end portion of a building frame 91a constituting the temporary scaffold 9 is detachably fixed to the protruding portion 21.

  Referring to FIGS. 1 to 9, the jumping stand 10 according to the embodiment is installed in a section of the seismic isolation slab Sv, and is arranged in a state extending in the vertical direction toward the bottom surface of the first jumping Wh. The square struts 1 and a plurality of the struts 1 fixed to the upper portions of the square struts 1, abutting against the bottom surface of the lowermost first jump Wh and extending outwardly from the outer wall We. The steel mountain retaining material 2 constitutes a spring mount 10, and the steel mountain retaining material 2 has a spring protruding portion 21 beyond the end of the first spring Wh, and is temporarily installed in the spring protruding portion 21h. By installing the scaffold 9, the seismic isolation building St and the temporary scaffold 9 can share shaking.

  Referring to FIGS. 1 to 9, the jumping stand 10 according to the embodiment is a temporary scaffold installed in the height direction along the first jumping Wh protruding in the horizontal direction from the outer wall We of the seismic isolation structure St. The temporary scaffold 9 can be reliably supported so that the 9 does not fall down due to an earthquake or the like.

(Assembling method of the temporary scaffolding stand)
Next, the configuration of the jumping stand 10 will be supplemented while explaining the assembly procedure of the jumping stand 10 and the temporary scaffold 9 according to the embodiment.

  First, referring to FIG. 2, an iron plate Fp is laid on the seismic isolation slab Sv, and a plurality of square pillars 1 are installed on the iron plate Fp (first step S1). With reference to FIG. 2, in the first step S <b> 1, intermediate portions of the plurality of square pillars 1 are connected by a horizontal connecting pipe 15. Thereby, the fall of the square support | pillar 1 can be prevented.

  Referring to FIG. 2, the square support 1 is configured by joining the outer circumferences of four steel pipes 11p with a plurality of steel plates 11b so that the four long steel pipes 11p are located at the four corners of a regular square. ing.

  Referring to FIG. 2, the square column 1 has a base plate 111 having a pair of angle members 15a and 15a attached to both ends at the bottom and a base plate 112 at the tip. A jack 1j to be described later can be attached to the base plate 112 (see FIG. 1 or FIG. 5). The square support 1 is a temporary structure for supporting a heavy object. The square support 1 can use a commercial item.

  Next, referring to FIG. 3, the scaffolding plate 12 is installed horizontally on the plurality of square pillars 1, and the scaffolding plate 12 is constructed in multiple stages in the height direction (second step S <b> 2). In the second step S <b> 2, it is preferable to bind the scaffold plate 12 to the horizontal connecting pipe 15 attached to the square support 1. Further, in the second step S2, it is preferable that the handrail pipes 13 are laid horizontally on the plurality of square pillars 1. Furthermore, in the second step S <b> 2, it is preferable that the handrail pipes 13 arranged in the height direction are connected by crossing bars 14. Referring to FIG. 3, the existing temporary scaffold 90 is disposed adjacent to the jumping base 10.

  Next, referring to FIG. 4, an adhesive anchor member 31 composed of a plurality of female screw members is driven on the bottom surface of the lowermost first jump Wh, and a jack 1 j is attached to the upper portion of the square column 1 ( Third step S3). The adhesive anchor member 31 is also called a chemical anchor (registered trademark), and can fix the female screw member to the bottom of the first spring-out Wh by an adhesive using a chemical reaction.

  Referring to FIG. 4, a hole is made in the bottom of the first jump Wh, a capsule filled with an adhesive is inserted into this hole, and the female screw member is driven into this hole. Thus, the adhesive anchor member 31 made of the female screw member can be fixed to the bottom of the first spring-out Wh.

  Referring to FIG. 4, in the third step S3, it is preferable that both end surfaces of the base plate 111 of the square support 1 are fixed to the iron plate Fp by fillet welding.

  Next, referring to FIG. 5, the steel mountain retaining material 2 is mounted on a plurality of jacks 1j, and a plurality of clamp members 32 are used (see FIG. 6), and one flange 20f of the steel mountain retaining material 2 is used. And the jack 1j are fixed (fourth step S4). Referring to FIG. 5, in the fourth step S <b> 4, it is preferable to lift the steel mountain retaining material 2 using the mobile crane C. Moreover, it is preferable to moor the intermediary rope R at one end of the steel mountain retaining material 2, and the movement of the steel mountain retaining material 2 can be assisted and the shaking of the steel mountain retaining material 2 can be suppressed.

  Referring to FIG. 1 or FIG. 5, the steel pile material 2 is a section steel having an H-shaped cross section, and bolt holes are continuously provided in a longitudinal direction in a pair of flanges 20f and 21f arranged to face each other. . Moreover, the steel mountain retaining material 2 has joined the rectangular end plate 21e to the both end surfaces by welding. The steel mountain retaining material 2 can be used for the purpose of protecting the surrounding ground from collapsing when excavating the ground, but in the embodiment, it is used as a support for supporting the first spring-out Wh. .

  Next, referring to FIG. 6, the jack 1j is operated so that the other flange 21f of the steel pile 2 is brought into contact with the bottom surface of the lowermost first jump Wh, and the other flange 21f is interposed therebetween. Then, a bolt member (not shown) is fastened to the adhesive anchor member 31 (fifth step S5).

  Next, with reference to FIG. 7, the scaffolding board 22 is installed in the protrusion part 21 of the steel mountain retaining material 2 (6th process S6). With reference to FIG. 7, in the sixth step S <b> 6, a handrail (stern) 21 s is installed at the end of the protruding portion 21. In the sixth step S <b> 6, a horizontal net 21 n for preventing unnecessary objects from falling is installed below the jumping portion 21. Further, in the sixth step S6, a set of H-section steels 23 and 23 that horizontally lay the plurality of protruding portions 21 are installed in the protruding portions 21, and the H-shaped steel 23 and the protruding portions 21 are clamped. It is clamped by the member 32.

Next, with reference to FIG. 8, by using a plurality of clamp member, a temporary scaffold 9 fixed to the proximal end of Hanedashi portion 21 of Kenwaku 91a constituting (seventh step S7). More specifically, referring to FIG. 8, in the seventh step S7, the jack base 91j is installed on the H-shaped steel 23 (see FIG. 12), and the jack base 91j and the H-shaped steel 23 are catch clamped (see FIG. (Not shown).

  Referring to FIG. 8, in the seventh step S <b> 7, it is preferable to surround the lower part of the jumping base 10 with an add flat panel (temporary enclosure panel) Ap. Thereby, it can suppress that an outsider jumps out and enters the inside of the mount frame 10.

  Referring to FIG. 8, in the seventh step S7, the temporary scaffolding 9 can be arranged along the plurality of first jumps Wh by constructing the building frames 91a in multiple stages on the jack base 91j.

  Next, referring to FIG. 9, after assembling the first stage temporary scaffolding 9, the root pipes 24 are attached to the plurality of building frames 91a. Further, the first stage temporary scaffold 9 and the first jump Wh are moored with a single pipe. Thereafter, the temporary scaffold 9 is assembled in multiple stages in the height direction, thereby completing the assembly of the jump stand 10 and the temporary scaffold 9.

[Action of the temporary scaffolding stand]
Next, the operation and effect of the jumping stand 10 according to the embodiment will be described. Referring to FIGS. 1 to 9, the jumping stand 10 according to the embodiment is installed in a section of the seismic isolation slab Sv, and is arranged in a state extending in the vertical direction toward the bottom surface of the first jumping Wh. The square struts 1 and a plurality of the struts 1 fixed to the upper portions of the square struts 1, abutting against the bottom surface of the lowermost first jump Wh and extending outwardly from the outer wall We. The steel mountain retaining material 2 constitutes a spring mount 10, and the steel mountain retaining material 2 has a spring protruding portion 21 beyond the end of the first spring Wh, and is temporarily installed in the spring protruding portion 21. By installing the scaffold 9, the base-isolated structure St and the temporary scaffold 9 can share horizontal and vertical vibrations.

  Referring to FIGS. 1 to 9, the jumping stand 10 according to the embodiment is a temporary scaffold installed in the height direction along the first jumping Wh protruding in the horizontal direction from the outer wall We of the seismic isolation structure St. The temporary scaffold 9 can be reliably supported so that the 9 does not fall down due to an earthquake or the like.

(Another embodiment)
Next, the configuration and operation of a temporary scaffolding stand according to another embodiment of the present invention will be described. FIG. 10 is a right side view showing a configuration of a temporary scaffolding stand according to another embodiment of the present invention. FIG. 11 is an enlarged view of a main part of FIG. 10 and is a state diagram in which the base end portion of the building frame constituting the temporary scaffold is fixed to the protruding portion.

  Referring to FIG. 10, a spring stand 20 according to another embodiment of the present invention includes a plurality of square struts 1 and a steel mountain retaining member 2 that is a plurality of shape steel members. The jumping stand 20 can support the temporary scaffold 9 arranged along the second jumping Sv2 constituting the veranda of the base-isolated structure St such as an apartment. The second spring Sv2 projects in the horizontal direction from the outer wall We of the seismic isolation structure St, and is continuously provided in the height direction of the seismic isolation structure St.

  Referring to FIG. 10, the seismic isolation structure St has a plurality of seismic isolation devices Gi installed on the foundation floor Bf. The base isolation structure St is supported by a plurality of base isolation devices Gi. Thereby, the seismic isolation structure building St can relieve the shaking of the ground due to an earthquake or the like. That is, the seismic isolation structure St is isolated from the ground shaking.

  Referring to FIG. 10, the plurality of square pillars 1 are installed in the lowest second jump Sv <b> 2 that can vibrate integrally with the base-isolated structure St. In the embodiment, the plurality of square pillars 1 are installed on the floor board Fc laid on the second spring Sv2. Further, the plurality of square struts 1 are arranged in a state of extending in the vertical direction toward the bottom surface of the upper second jump Sv2 arranged to face the lowermost second jump Sv2.

  Referring to FIG. 10, the square support 1 connects the jack 1j to the lower part. By operating the jack 1j, the square column 1 can be moved toward the bottom surface of the upper second jump Sv2. The plurality of square struts 1 are connected by a horizontal connecting pipe 15 at an intermediate portion thereof. Thereby, the fall of the square support | pillar 1 can be prevented.

  Referring to FIG. 10, the steel mountain retaining material 2 has one flange 20 f fixed to the upper part of the square support 1 in a detachable manner. Further, the steel mountain retaining material 2 abuts the other flange 21f on the bottom surface of the upper second jump Sv2. The steel mountain retaining material 2 extends outward from the outer wall We along the bottom surface of the second spring Sv2 and is disposed in the horizontal direction.

  Referring to FIG. 10 or FIG. 11, the steel pile material 2 has a protruding portion 21 beyond the end of the second protruding Sv2. A base end portion of a building frame 91a constituting the temporary scaffold 9 is detachably fixed to the protruding portion 21.

  Referring to FIG. 10, an adhesive anchor member 31 made of a female screw member is placed on the bottom surface of the upper second jump Sv2. Further, an adhesive anchor member 31 made of a female screw member is placed on the outer wall We. The adhesive anchor member 31 that has been placed can also be used for repair work after the next time.

  Referring to FIG. 10, the other flange 21 f of steel pile 2 can be bolted to one adhesive anchor member 31 using a bolt member (not shown). Also, one end plate 21e of the steel pile member 2 can be bolted to the other adhesive anchor member 31 using a bolt member (not shown). Thereby, the steel mountain retaining material 2 can be fixed to the bottom surface of the second spring Sv2 and the outer wall We.

  With reference to FIG. 10, the square support | pillar 1 can be contact | abutted to one flange 20f of the steel mountain retaining material 2 by operating the jack 1j. And the one flange 20f and the base plate 112 of the steel mountain retaining material 2 can be fixed using the some clamp member 32. FIG.

  Referring to FIG. 10 or FIG. 11, the H-section steel 23 that horizontally spans the plurality of protruding portions 21 is installed in the protruding portion 21. By sandwiching one flange of the H-shaped steel 23 and the other flange 21 f of the steel pile 2 by the clamp member 32, the H-shaped steel 23 can be fixed to the protruding portion 21.

  With reference to FIG. 10 or FIG. 11, the base plate 912 is installed on the pair of H-shaped steels 23, 23, the jack base 91 j is installed on the base plate 912, and the jack base 91 j is fixed to the base plate 912. The building frame 91a can be constructed in multiple stages. And the temporary scaffold 9 can be arrange | positioned along several 2nd jumping Sv2. In addition, it is preferable that the building frame 91a and the second jump Sv2 are connected by the wall connecting metal 911.

  Referring to FIG. 10 or FIG. 11, the jumping stand 20 according to another embodiment is installed in the lowermost second jump Sv <b> 2 that can vibrate integrally with the seismic isolation structure St, and the second jumping upper stage. A plurality of square struts 1 arranged in a state of extending in the vertical direction toward the bottom surface of Sv2, and fixed to the top of these square struts 1, abut against the bottom surface of the upper second jump Sv2, and the outer wall We Is formed with a plurality of steel piles 2 extending outward from the second jump Sv2 in the upper stage, and the steel piles 2 are end portions of the second jump Sv2. The seismic isolation building St and the temporary scaffold 9 can share the horizontal vibration and the vertical vibration by installing the temporary scaffolding 9 in the protruding part 21.

  Referring to FIG. 10 or FIG. 11, the jumping stand 20 according to another embodiment is installed in the height direction along the second jumping Sv2 that protrudes in the horizontal direction from the outer wall We of the base-isolated structure St. The temporary scaffold 9 can be reliably supported so that the temporary scaffold 9 does not fall down due to an earthquake or the like.

1 Square support 2 Steel pile retaining material (section steel member)
9 Temporary scaffolding 10 Jumping platform (Temporary scaffolding platform)
20f One flange 21 Bounce part 21f The other flange 91a Building frame St Seismic isolation building Sv Seismic isolation slab We Outer wall Wh First jump Sv2 Second jump

Claims (5)

This is a temporary scaffolding stand for supporting a temporary scaffold arranged along the first jump of the base-isolated structure building that protrudes from the outer wall in the horizontal direction and has the first jump arranged continuously in the height direction. And
A plurality of seismic isolation slabs that can vibrate integrally with the seismic isolation structure, and a plurality of the seismic isolation slabs arranged in a vertically extending state toward the bottom surface of the first springs disposed opposite to the seismic isolation slabs A square support,
One flange is detachably fixed to the upper portions of these square pillars, and the other flange is in contact with the bottom surface of the first spring of the lowermost layer and extends from the outer wall along the bottom surface of the first spring. A plurality of structural steel members extending outwardly and arranged in a horizontal direction,
These structural steel members have a protruding portion beyond the end of the first protruding,
The jumping-out stand for the temporary scaffold, wherein the jumping-out part fixes the base end part of the building frame constituting the temporary scaffold so as to be detachable. The first spring has an adhesive anchor member composed of a plurality of female screw members placed on the bottom surface thereof,
The temporary scaffolding stand according to claim 1, wherein the shape steel member has a bolt member that can be fastened to the adhesive anchor member via the other flange. Temporary scaffold springs that support the temporary scaffolds that are arranged along the second springs of the base-isolated structure building that has the second springs that project from the outer wall in the horizontal direction and that constitute the verandas that are continuously arranged in the height direction. A rack,
Installed in the second jump that can vibrate integrally with the seismic isolation structure building, and extending in the vertical direction toward the bottom surface of the upper second jump that is disposed opposite to the second jump A plurality of square pillars arranged in
It is detachably fixed to the upper part of the square column, contacts the bottom surface of the upper second jump, and extends outward from the outer wall along the bottom surface of the second jump. A plurality of structural steel members arranged in a horizontal direction,
These structural steel members have a protruding portion beyond the end of the second protruding,
The bouncing part is a bouncing base for a temporary scaffold, to which a base end portion of a building frame constituting the temporary scaffold is detachably fixed. The shape steel member is made of a steel mountain retaining material having end plates at both ends,
4. The temporary scaffolding stand according to claim 1, wherein one end plate is bolted to the outer wall. Assembly of a temporary scaffolding stand for supporting a temporary scaffold arranged along the first jump of a base-isolated structure building having a first jump protruding in a horizontal direction from an outer wall and continuously provided in a height direction A method,
The temporary scaffolding stand is
A plurality of square pillars installed in a section of a seismic isolation slab that can vibrate integrally with the base isolation structure building, and arranged in a state of extending in a vertical direction toward the bottom surface of the first spring of the lowest layer;
One flange is detachably fixed to the upper portions of these square pillars, and the other flange is in contact with the bottom surface of the first spring of the lowermost layer and extends from the outer wall along the bottom surface of the first spring. A plurality of structural steel members extending outwardly and arranged in a horizontal direction,
These structural steel members have a protruding portion beyond the end of the first protruding,
A first step of laying an iron plate on the seismic isolation slab and installing the plurality of square pillars on the iron plate;
A second step of horizontally constructing the scaffolding plate on the plurality of square pillars and constructing the scaffolding plate in a multi-stage in the height direction;
A third step of placing an adhesive anchor member composed of a plurality of female screw members on the bottom surface of the outer wall that is continuous with the bottom surface of the first spring of the lowest layer, and attaching a jack to the upper portion of the square column;
A fourth step of mounting the structural steel member on the plurality of jacks and fixing one of the flanges of the structural steel member and the jack using a plurality of clamp members;
The jack is operated so that the other flange of the structural steel member is brought into contact with the bottom surface of the first spring of the lowest layer, and the bolt member is fastened to the adhesive anchor member via the other flange. 5 steps,
A sixth step of installing a scaffold plate in the protruding portion of the shaped steel member;
Using a plurality of clamp members, seventh and step includes, Hanedashi method of assembling mounting member temporary scaffold for fixing the base end portion of Kenwaku constituting the temporary scaffold to the Hanedashi portion.

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