JP5461492B2 - Construction method of reinforced concrete frame structure - Google Patents

Description

  The present invention relates to a method for constructing a reinforced concrete frame structure in which anchor bolts are embedded.

When building a building such as a commercial facility or an office building, as described in Patent Documents 1 and 2, an anchor bolt frame provided with anchor bolts is embedded in a reinforced concrete frame structure, and the frame structure Objects and buildings are connected by anchor bolts. The anchor bolt is embedded in the frame column constituting the frame structure with its upper end protruding , and the steel column of the building is connected to the upper end of the anchor bolt at its column base.

JP 2000-319900 A Japanese Patent Application Laid-Open No. 10-204892

  As described above, a reinforced concrete structure, that is, a reinforced concrete frame structure in which a building is built, includes a frame column that supports the steel column of the building, and a reinforced concrete frame beam connected to the upper end of the frame column. And a reinforced concrete floor board or floor slab attached to the frame beam. In order to construct such a frame structure, each of the reinforcing bars is composed of a column rebar assembly that forms a frame column, a beam rebar assembly that forms a frame beam, and a slab rebar assembly that forms a floor slab. A formwork is disposed in the assembly. Concrete is poured into the formwork in a state where the formwork is arranged, and a frame structure composed of the concrete and the reinforcing bar assembly is constructed.

  For example, a beam reinforcing bar assembly constituting a frame beam is assembled by connecting or binding a plurality of horizontal beam reinforcing bars and a plurality of vertical stirrup bars. Depending on the height of the frame beam, that is, the height of the frame, this bundling work is performed by placing a temporary scaffold on the side of the frame structure and the operator rides on it. This has to be done and the assembly workability is greatly different.

  An object of the present invention is to enable efficient construction of a reinforced concrete frame structure in a short period of time.

A method for constructing a reinforced concrete frame structure according to the present invention includes a reinforced concrete frame structure for building a reinforced concrete frame structure having a frame column below a steel column, a frame beam provided on the frame column, and a floor slab. A method for constructing a structure, comprising: a step of arranging a column form frame for forming the frame column outside the column reinforcing bar assembly of the frame column and an upper end of the frame column adjacent in the horizontal direction. Attaching the beam form for forming the frame beam to the column form, attaching the slab form for the floor slab to the beam form , a quadrilateral lower frame and a quadrilateral An anchor bolt frame having an upper frame and a plurality of anchor bolts for connecting the lower frame and the upper frame, to which a steel column of a building is connected, is moved up and down on the column rebar assembly. freely A step of location, the upper beam rebar extending over the lower frame part of the anchor bolt frame horizontally, the lower beam rebar extending horizontally beneath the lower frame part of the anchor bolt frame, a step of assembling the beam rebar assembly having a stirrup muscles which are bundled to each of the beam reinforcing bar, the steps of said anchor bolt frame is moved down to accommodate the beam reinforcement assembly within said beam formwork The column reinforcing bar assembly includes an anchor receiving frame provided on an inner side of the frame column , and a column main reinforcing bar provided on the outside of the anchor receiving frame and bound by a hoop bar, and the anchor bolt The frame is attached to the anchor receiving base. In the method of constructing a reinforced concrete frame structure according to the present invention, the anchor bolt frame is provided with a guide rod penetrating the upper end of the anchor receiving base so that the anchor bolt frame moves up and down. The anchor bolt frame is guided by a rod.

A method for constructing a reinforced concrete frame structure according to the present invention includes a reinforced concrete frame structure for building a reinforced concrete frame structure having a frame column below a steel column, a frame beam provided on the frame column, and a floor slab. A method for constructing a structure, comprising: a step of arranging a column form frame for forming the frame column outside the column reinforcing bar assembly of the frame column and an upper end of the frame column adjacent in the horizontal direction. Attaching the beam form for forming the frame beam to the column form, attaching the slab form for the floor slab to the beam form , a quadrilateral lower frame and a quadrilateral An anchor bolt frame having an upper frame and a plurality of anchor bolts for connecting the lower frame and the upper frame, to which a steel column of a building is connected, is moved up and down on the column rebar assembly. freely A step of location, the upper beam rebar extending over the lower frame part of the anchor bolt frame horizontally, the lower beam rebar extending horizontally beneath the lower frame part of the anchor bolt frame, a step of assembling the beam rebar assembly having a stirrup muscles which are bundled to each of the beam reinforcing bar, the steps of said anchor bolt frame is moved down to accommodate the beam reinforcement assembly within said beam formwork An anchor receiving frame that supports the anchor bolt frame so as to be movable up and down is mounted on an upper end portion of the column mold frame, and the anchor bolt frame is mounted on the column mold frame via the anchor receiving frame. It is characterized by. In the method for constructing a reinforced concrete frame structure according to the present invention, a guide rod penetrating the anchor receiving frame is provided in the anchor bolt frame, and the anchor bolt frame is moved by the guide rod when the anchor bolt frame is moved up and down. It is characterized by guiding.

The method for constructing a reinforced concrete frame structure according to the present invention is characterized in that the anchor bolt frame is moved up and down by a lifting machine arranged on a slab form frame provided on an upper end of the beam form frame. And In the method for constructing a reinforced concrete frame structure according to the present invention, the anchor bolt frame is lifted by a reinforcing bar suspension frame disposed on a slab mold frame provided on the beam mold frame and connected to an upper end thereof. It is characterized by supporting.

  According to the present invention, a beam rebar assembly constituting a reinforced concrete frame structure is provided with an anchor bolt frame used for connecting a building steel column to a frame column above the surface of the slab formwork. It is assembled by an operator who rides on the slab form as a protruding state. After the assembly is completed, the beam rebar assembly is moved downward and accommodated in the beam formwork. By assembling the beam reinforcing bar assembly in a state of protruding from the surface of the slab formwork, the assembling workability is improved, and the frame structure can be constructed safely and efficiently in a short time. Thereby, the construction of the reinforced concrete frame structure can be safely performed at low cost in a few days.

It is a top view which shows the pattern for constructing the frame structure made from a reinforced concrete, and the arrangement pattern of the beam reinforcement assembly arrange | positioned at this. It is sectional drawing of the AA line direction in FIG. (A) is a front view which shows the state which attached the anchor stand with an anchor bolt frame to the basement floor surface, (B) has arrange | positioned the column main reinforcement bound by the hoop muscle outside the anchor stand. It is a front view which shows the state which constructed the pillar reinforcing bar assembly. (A) is a front cross-sectional view showing a state in which an anchor bolt frame is lifted and moved after a column frame is disposed outside the column rebar assembly and a beam frame and a slab frame are attached to the column frame. (B) is a sectional view in the BB line direction in (A), and (C) is a sectional view in the CC line direction in (A). It is front sectional drawing which shows the process of assembling a beam reinforcement assembly. It is an expanded sectional view which expands and shows a part of FIG. It is a top view which shows the arrangement | positioning state of the beam reinforcement assembly in FIG. It is sectional drawing which shows the column reinforcement assembly of another form.

  Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. As shown in FIG. 2, the reinforced concrete frame structure includes a frame column 11 provided on the floor surface 10 of the lower floor. The column support 11 is composed of a column rebar assembly 12 and concrete (not shown). After the column rebar assembly 12 is constructed on the floor surface 10, a column mold 13 is arranged outside the column rebar assembly 12, and concrete is placed in the column mold 13. The housing column 11 is constructed by injecting.

  Frame beams 21a and 21b are constructed between the upper ends of the frame columns 11 adjacent in the horizontal direction. As shown in FIG. 1, a frame beam extending in the vertical direction (X direction) of the paper is indicated by reference numeral 21 a, and a frame beam extending in the left and right direction (Y direction) is indicated by reference numeral 21 b. The frame pillars 11 are arranged in a matrix form as shown in FIG. 1, and the frame beam is entirely latticed by the frame beam 21a shown in the X direction and the frame beam 21b shown in the Y direction in FIG. It is formed in a shape. FIG. 1 shows a part of a frame structure in which a building such as an office building is to be constructed. In FIG. 1, only four columns of the frame beam 21a are shown as indicated by reference numerals X1 to X4. As shown by reference numerals Y1 to Y4, only four rows of the frame beam 21b are shown. In each case column 11 shown in FIG. 1, the case beams are connected in a cross shape. A frame beam is connected to the frame columns 11 arranged at the corners of the frame structure at two sides forming 90 degrees with each other.

  The floor surface 10 shown in FIG. 2 shows the floor surface of the first basement, and the floor portion for the first floor of the building is formed by the frame beams 21a and 21b and the floor slab constructed at the upper end of the frame column 11. Built. However, when the floor surface 10 is the first floor of the frame structure, the floor portion for the second floor of the building is constructed on the frame structure.

  The beam form frame 22 for constructing the frame beams 21a and 21b has a bottom wall 22a and a side wall 22b opposed to each other, and an upper portion is opened. The beam mold frame 22 is attached to the column mold frame 13 after the column mold frame 13 is provided on the floor surface 10, and the width dimension of the cross section of the frame beams 21a and 21b is set by the dimension between the side walls 22b. A slab mold 23 is attached to the upper end portion of the beam mold 22, and FIG. 1 shows a state in which the slab mold 23 is attached between all the beam molds 22. In FIG. 2, reference numeral 23 a indicates the surface of the slab formwork 23.

  The column reinforcing bar assembly 12 has an anchor receiving base 14 in the case shown in FIGS. 3 and 4. The anchor receiving base 14 has a quadrilateral plane, a quadrangular corner is formed by a bar 14a extending in the vertical direction, and a quadrilateral upper frame 14b is attached to the upper end. A plurality of column main bars 15 are arranged outside the anchor receiving base 14 with a gap therebetween and with a gap therebetween. The anchor receiving base 14 is fastened to an anchor bolt protruding from the floor surface 10. On the other hand, the column main reinforcement 15 is joined to an end portion of a lower column main reinforcement (not shown) protruding from the floor surface 10 by means such as gas pressure welding.

  A quadrilateral hoop bar 16 is attached to the column main bar 15 so as to face the horizontal direction, and the column main bar 15 is fixed along each side of the hoop bar 16 as shown in FIG. It will be in the state which separated the interval. The hoop lines 16 are provided at predetermined intervals in the vertical direction, but only a part of the hoop lines 16 are shown in FIGS. 3 and 4 for convenience.

  As shown in FIG. 2, a beam reinforcing bar assembly 25 is incorporated in the receiving groove 24 formed by the beam form frame 22, and the beam reinforcing bar assembly 25 is incorporated in the receiving groove 24. Then, the concrete beams 21a and 21b are constructed by injecting concrete into the accommodation groove 24. The beam reinforcing bar assembly 25 includes a quadrilateral stirrup bar 26 facing vertically, an upper beam bar 27a extending horizontally along the inside of the upper side of the stir bar bar 26, and a lower side of the stir bar bar 26. And a lower beam reinforcing bar 27b extending in the horizontal direction along the inside. The beam reinforcing bars 27a and 27b are arranged in a line at right angles to the stirrup bars 26, and the beam reinforcing bars 25a and 27b and the stirrup bars 26 are bound together by a wire, thereby the beam reinforcing bar assembly 25. Is assembled.

  The illustrated beam rebar assembly 25 is shown as having an upper beam reinforce 27a and a lower beam rebar 27b, but further in one or more rows inside each beam rebar 27a, 27b. Are arranged to constitute the beam reinforcing bar assembly 25.

  The frame beams 21a and 21b intersect with the upper end portion of the frame column 11, and the anchor bolt frame 30 is arranged at the upper end portion of the frame column 11 as shown in FIG. Each anchor bolt frame 30 has a quadrilateral lower frame body 31 and an upper frame body 32, and the lower frame body 31 and the upper frame body 32 are connected by a plurality of anchor bolts 33. . The anchor bolt frame 30 is embedded in the concrete poured into the beam form frame 22, and an anchor bolt 33 of the anchor bolt frame 30 in the embedded state is attached to a steel column of a building (not shown). Are connected. As described above, the anchor bolt frame 30 is embedded in the concrete with the upper end portion of the anchor bolt 33 protruding so as to connect the frame column 11 and the steel column of the building to be built thereon. It has become.

  As described above, in the case where the reinforced concrete frame structure is the first floor of a building to be built thereon, the steel column connected to the anchor bolt frame is a column constituting the first floor portion. .

  A guide rod 34 attached to the lower frame 31 of the anchor bolt frame 30 passes through a through hole formed in the anchor receiving frame 14, and the anchor bolt frame 30 is fixed to the anchor receiving frame 14 as shown in FIG. 14 is mounted on the upper frame 14b so as to be movable up and down. The anchor receiving frame 14 and the anchor bolt frame 30 constitute an anchor frame. The guide rod 34 is formed by a bolt, and a vertical movement position of the anchor bolt frame 30 with respect to the anchor receiving frame 14 is set at an intermediate position of the guide rod 34 by contacting the upper surface of the upper frame 14b of the anchor receiving frame 14. A position adjusting nut 35 is screwed. Further, a retaining nut 36 as a stopper for contacting the lower surface of the upper frame 14 b and preventing the guide rod 34 from coming off from the upper frame 14 b is screwed to the lower end portion of the guide rod 34.

  As shown in FIG. 1, eight anchor bolts 33 for connecting the lower frame body 31 and the upper frame body 32 are provided at the four corners of each frame body, and a total of eight anchor bolts 33 are provided. It protrudes above the upper frame 32. Further, as shown in FIG. 1, a total of four guide rods 34 are provided on two sides of the lower frame 31 that are parallel to each other.

  In order to construct a reinforced concrete frame structure, as shown in FIG. 2, a column frame 13 is arranged outside the column rebar assembly 12, and the beam frame 22 is attached to the column frame 13. Concrete is poured into the column mold 13 and the beam mold 22 in a state where the beam reinforcing bar assembly 25 is accommodated. Furthermore, concrete is poured into the upper surface of the slab form 23 with a predetermined thickness under the state in which the slab rebars are arranged in a lattice shape above the slab form 23. Thereby, the frame structure made of reinforced concrete is constructed.

  In order to construct the frame beams 21 a and 21 b, the beam reinforcing bar assembly 25 is incorporated in the receiving groove 24 of the beam form frame 22. In order to facilitate the assembling operation, the anchor bolt frame 30 and the beam reinforcing bar assembly 25 for mounting the steel column of the building on the frame structure are assembled in a state of protruding from the surface 23a of the slab formwork 23. I am doing so.

  The procedure for constructing the housing structure shown in FIGS. 1 and 2 will be described with reference to FIGS.

  FIG. 3A shows a state in which the anchor receiving base 14 to which the anchor bolt frame 30 is attached is fixed to the floor surface 10 on the floor below the frame structure. The anchor receiving base 14 is the floor surface. 10 is fastened to an anchor bolt (not shown) embedded in 10. The vertical position of the anchor bolt frame 30 with respect to the anchor receiving base 14 is set by a position adjusting nut 35. As shown in FIG. 3B, the column reinforcing bar assembly 12 is constructed outside the anchor receiving base 14. The column reinforcing bar assembly 12 has a column main reinforcement 15 disposed outside the anchor receiving base 14, and the column main reinforcement 15 is joined to a protruding end portion of a column main reinforcement (not shown) protruding from the floor surface 10, such as gas pressure welding. It is attached to the floor surface 10 side by joining by means. A plurality of hoop bars 16 are arranged on the outside of the columnar main bars 15 at a predetermined interval in the vertical direction, and each hoop line 16 faces the horizontal direction and is bound to the column main bars 15 using a wire (not shown). As described above, the column reinforcing bar assembly 12 includes the plurality of column main bars 15 and the plurality of hoop bars 16.

  After the column rebar assembly 12 is constructed on the floor 10 as shown in FIG. 3B, the column form frame 13 is formed outside the column rebar assembly 12 as shown in FIG. Be placed. The inside of the column mold 13 corresponds to the size of the frame column 11, and when concrete is poured into this, the column column 11 is manufactured by the concrete and the column reinforcement assembly 12. As shown in FIG. 4, a beam frame 22 is attached to the column frame 13. An accommodating groove 24 for forming the frame beams 21a and 21b is formed by the beam form frame 22, and the accommodating groove 24 corresponds to the size of the frame beams 21a and 21b. When the beam rebar assembly 25 is disposed in the receiving groove 24 and concrete is injected, the frame beams 21a and 21b are manufactured by the beam rebar assembly 25 and the concrete. A slab mold 23 is attached to the beam mold 22 as shown in FIG. This slab formwork is a formwork for forming a portion of the floor slab partitioned by the frame beams 21a and 21b. The slab rebar is arranged on the upper surface of the slab formwork 23 in a lattice shape or the like. Concrete is injected to embed. When the surface of the concrete poured into the upper side of the slab form 23 and the surface of the concrete poured into the beam form 22 are made to coincide, the surface of the frame structure becomes flat as a whole. 4-6, the code | symbol L shows the surface position of the concrete inject | poured on the slab formwork 23. FIG.

  An anchor bolt frame 30 is mounted in advance on the anchor receiving base 14, and the anchor bolt frame 30 is disposed in advance on the upper end portion of the column rebar assembly 12. After the placement step, the placement step of the column form 13 and the attachment step of the beam form 22 are completed, a step of assembling the beam rebar assembly is executed as shown in FIG. The anchor bolt frame 30 may be arranged after the column mold 13 and the beam mold 22 are manufactured.

  In order to assemble the beam reinforcing bar assembly 25, first, as shown in FIG. 4, a reinforcing bar suspension base 41 is arranged on the surface of the slab formwork 23. This reinforcing bar suspension base 41 has four vertical support legs 42 and a suspension support bar 43 connecting them, and a lifting machine 44 made of a hoisting machine or a hoist is attached to the suspension support bar 43. ing. The lifting machine 44 is connected to the upper frame 32 of the anchor bolt frame 30, and the anchor bolt frame 30 is moved up by the lifting machine 44 as shown in FIG. The upper limit position of the anchor bolt frame 30 is regulated by the retaining nut 36 coming into contact with the upper frame 14 b of the anchor receiving base 14.

  As described above, the horizontal support rods 45 are arranged as support bases at predetermined intervals in the longitudinal direction along the housing grooves 24 of the beam form frame 22 in a state where the anchor bolt frame 30 is moved upward. The height of the horizontal support bar 45 is adjusted by the pedestal 46, and the vertical height of the horizontal support bar 45 is set to a position higher than the lower frame 31 of the anchor bolt frame 30. As shown in FIG. 4, in order to fix the anchor bolt frame 30 with the anchor bolt frame 30 raised, the anchor bolt frame 30 is fastened to the suspension support bar 43 by a bar not shown. FIG. 4 shows one horizontal support bar 45 arranged so as to cross the receiving groove 24 of the beam form frame 22 for forming the frame beam 21a. A plurality of horizontal support bars 45 are arranged so as to cross the beam form frame 22 for forming the respective frame beams 21a and 21b.

  As shown in FIG. 4, under the state where the anchor bolt frame 30 is raised, the assembly work of the beam rebar assembly 25 is performed by an operator riding on the slab formwork. First, in order to construct the frame beam 21a in the X direction, as shown in FIG. 6, the upper side for manufacturing the frame beam 21a in the direction perpendicular to the paper surface in FIG. The beam reinforcement 27a is arranged. In the case shown in FIG. 6, the upper beam reinforcing bars 27 a are arranged on the horizontal support rod 45, and each upper beam reinforcing bar 27 a is more than the lower frame body 31 of the anchor bolt frame 30. It is on the upper side. Stirrup bars 26 are arranged at predetermined intervals along the upper beam reinforcing bars 27a, with the upper horizontal bars of the quadrilateral stirrup bars 26 in contact with the upper beam reinforcing bars 27a. Next, inside the stirrup bar 26, a lower beam reinforcing bar 27b is disposed in contact with the lower horizontal side thereof. The lower beam reinforcing bars 27b are arranged below the lower frame 31 of the anchor bolt frame 30, and the stirrup bars 26 and the beam reinforcing bars 27a and 27b are bound by wires. In this way, the assembly work of the beam rebar assembly 25 for constructing the frame beam 21a is completed.

  Next, assembling work of the beam rebar assembly 25 for constructing the Y-direction frame beam 21b extending in the left-right direction in FIG. 6 is performed. This assembly work is the same as the assembly of the beam reinforcing bar assembly 25 of the frame beam 21a described above, and the beam reinforcing bar assembly 25 of the frame beam 21b is arranged above the beam reinforcing bar 27a on the upper side of the frame beam 21a. 27a and a lower beam reinforcing bar 27b parallel to this, and a stirrup bar 26 is bound to each beam reinforcing bar 27a, 27b by a wire.

  As shown in FIGS. 5 and 6, the worker performs the assembly work of the beam reinforcing bar assembly 25 on the surface 23 a by using the slab formwork 23. At this time, approximately two-thirds of the beam rebar assembly 25 in the vertical direction protrudes upward from the surface 23a. Therefore, the arrangement work of the beam rebars 27a and 27b, the arrangement work of the stirrup reinforcement 26, and the stirrup reinforcement The operator can easily perform the bundling operation between the beam 26 and the beam reinforcing bars 27a and 27b. For example, when performing a bundling operation between the lower beam reinforcing bar 27b and the stirrup bar 26, the operator can perform the operation by inserting his / her hand slightly into the receiving groove 24 without bending greatly.

  If the beam reinforcing bar assembly 25 is assembled to the column reinforcing bar assembly 12 before the formwork is attached as in the prior art, the beam reinforcing bar assembly 25 needs to be assembled by providing a temporary scaffold on the floor 10. The work was difficult due to the height of the floor. On the other hand, as shown in FIGS. 5 and 6, before the beam reinforcing bar assembly 25 is constructed, the beam form 22 and the slab form 23 are constructed, and the slab form 23 is used to form the beam form 22 and the slab form 23. Assembling work of the beam rebar assembly 25 can be carried out by the operator who rides. In addition, by projecting the anchor bolt frame 30 for connecting a steel column of a building (not shown), the assembly of the beam rebar assembly 25 is raised from the surface of the formwork by raising the beam rebar assembly 25. Can be done in the state. Thereby, the assembly workability | operativity of the beam reinforcement assembly 25 becomes favorable, and the construction work of a frame structure can be performed efficiently in a short period of time. The position for raising the anchor bolt frame 30 may be a position higher than the position shown in FIG. 5, for example, the position where the entire beam reinforcing bar assembly 25 protrudes above the surface 23a of the formwork. It is.

  In this manner, the column frame 13 is attached to the outside of the column rebar assembly 12, the beam frame 22 is attached to the column frame 13, and the beam rebar assembly 25 is arranged in the beam frame 22. And after the arrangement | positioning operation | movement of the reinforcing bar to the surface of the slab formwork 23 is completed, a reinforced concrete frame structure is constructed | assembled by inject | pouring concrete into each formwork.

  FIG. 8 is a cross-sectional view showing another embodiment of the column reinforcing bar assembly 12. The column rebar assembly 12 described above is composed of a column main bar 15 bound by a hoop bar 16 and an anchor receiving base 14 arranged on the inside thereof. The column bar assembly 12 shown in FIG. The anchor receiving base 14 is not provided, and is constituted by a column main bar 15 and a hoop bar 16 bound to the column main bar 15. An anchor receiving frame 47 is used to connect the floor upper column via the anchor bolt frame 30 to the frame column 11 having this type of column rebar assembly 12.

  The anchor receiving frame 47 is attached to the upper end portion of the column frame 13 after the column frame 13 is attached to the outside of the column rebar assembly 12 and the beam frame 22 is mounted to the column frame 13. The anchor receiving frame 47 includes a frame body 47a that is inserted into the column mold 13 and a bracket 47b that has a step with respect to the frame body 47a and abuts against the surface of the mold frame. A guide rod 34 attached to the lower frame 31 of the anchor bolt frame 30 passes through the frame 47a. One guide rod 34 is provided on one frame side of the frame 47a. However, as described above, two guide rods 34 may be provided on one frame side.

  As shown in FIG. 8, even in a form in which the anchor bolt frame 30 is embedded in the concrete using the anchor receiving frame 47, the beam rebar assembly 25 is used by using the anchor bolt frame 30 in the same manner as described above. Can be assembled.

  The present invention is not limited to the above-described embodiment, and various modifications can be made without departing from the scope of the invention. The frame structure shown in the figure is a case where the first floor is constructed as the upper floor of the first basement, but the second basement and deeper underground structures are constructed further below the first basement. Even in this case, the housing structure of the present invention can be constructed.

DESCRIPTION OF SYMBOLS 10 Floor 11 Frame support 12 Column reinforcement 14 Column form frame 14 Anchor receiving base 14a Bar 14b Top frame 15 Column main reinforcement 16 Hoop reinforcement 21a Frame beam 21b Frame beam 22 Beam form frame 22a Bottom wall 22b Side wall 23 Slab type frame 23a Surface 24 Receiving groove 25 Beam reinforcing bar assembly 26 Stirrup bar 27a Beam reinforcing bar 27b Beam reinforcing bar 30 Anchor bolt frame 31 Lower frame 32 Upper frame 33 Anchor bolt 34 Guide rod 35 Position adjusting nut 36 Retaining nut 41 Reinforcing bar suspension Base 42 Vertical support leg 43 Suspension support rod 44 Lifting machine 45 Horizontal support rod 46 Base 47 Anchor receiving frame 47a Frame body 47b Bracket

Claims (6)

A method for constructing a reinforced concrete frame structure for constructing a reinforced concrete frame structure having a frame column below a steel column, a frame beam and a floor slab provided above the frame column,
Disposing a column mold for forming the frame column outside the column reinforcement assembly of the frame column; and
Attaching a beam form to the column form to form the case beam constructed between the upper ends of the case columns adjacent in the horizontal direction;
Attaching the slab form for the floor slab to the beam form;
An anchor bolt having a quadrilateral lower frame, a quadrilateral upper frame, and a plurality of anchor bolts connecting the lower frame and the upper frame, to which a steel column of a building is connected Placing the frame on the column rebar assembly so as to be movable up and down ;
And upper beam rebar extending over the lower frame part of the anchor bolt frame horizontally, the lower beam rebar extending horizontally beneath the lower frame part of the anchor bolt frame, each of the beam rebar Assembling a beam rebar assembly having stirrup bars tied together;
The anchor bolt frame is lowered move and a step of accommodating the beam reinforcement assembly within said beam formwork,
The column reinforcing bar assembly includes an anchor receiving frame provided on an inner side of the frame column and a column main reinforcing bar provided on the outer side of the anchor receiving frame and bound by a hoop bar, and the anchor bolt frame is attached to the anchor column. A method for constructing a reinforced concrete frame structure characterized by being mounted on a cradle . 2. The method for constructing a reinforced concrete frame structure according to claim 1 , wherein a guide rod that penetrates the upper end of the anchor receiving base in a vertically movable manner is provided in the anchor bolt frame, and the anchor bolt frame is moved up and down. A method for constructing a reinforced concrete frame structure, wherein the anchor bolt frame is guided by the guide rod. A method for constructing a reinforced concrete frame structure for constructing a reinforced concrete frame structure having a frame column below a steel column, a frame beam and a floor slab provided above the frame column,
Disposing a column mold for forming the frame column outside the column reinforcement assembly of the frame column; and
Attaching a beam form to the column form to form the case beam constructed between the upper ends of the case columns adjacent in the horizontal direction;
Attaching the slab form for the floor slab to the beam form;
An anchor bolt having a quadrilateral lower frame, a quadrilateral upper frame, and a plurality of anchor bolts connecting the lower frame and the upper frame, to which a steel column of a building is connected Placing the frame on the column rebar assembly so as to be movable up and down ;
And upper beam rebar extending over the lower frame part of the anchor bolt frame horizontally, the lower beam rebar extending horizontally beneath the lower frame part of the anchor bolt frame, each of the beam rebar Assembling a beam rebar assembly having stirrup bars tied together;
The anchor bolt frame is lowered move and a step of accommodating the beam reinforcement assembly within said beam formwork,
An anchor receiving frame for supporting the anchor bolt frame so as to be movable up and down is mounted on an upper end portion of the column mold frame, and the anchor bolt frame is mounted on the column mold frame via the anchor receiving frame. A method of constructing a reinforced concrete frame structure.   4. The method for constructing a reinforced concrete frame structure according to claim 3, wherein a guide rod penetrating the anchor receiving frame is provided in the anchor bolt frame, and the anchor bolt is moved by the guide rod when the anchor bolt frame is moved up and down. A method of constructing a reinforced concrete frame structure characterized by guiding a frame. In the construction method of the reinforced concrete frame structure according to any one of claims 1 to 4, the lifting device disposed on a slab mold frame provided on the beam mold frame and connected to an upper end thereof. A method for constructing a reinforced concrete frame structure, wherein the anchor bolt frame is moved up and down. In the construction method of the reinforced concrete frame structure according to any one of claims 1 to 5 , by a reinforcing bar suspension frame disposed on a slab form frame provided on the beam form line and connected to an upper end thereof. A method for constructing a reinforced concrete frame structure, wherein the anchor bolt frame is supported in a raised state.

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