KR101647783B1 - High Constructing Pier For Apparatus And Method(WALKING FORM) - Google Patents

Abstract

The present invention relates to a construction method for a high pier and a device for the same. According to the present invention, after a lower part of an upper band form is firstly assembled to an upper part of a lower band form assembled to an inner lower part of an outer scaffolding frame formed in a polygonal shape, the lower part of a form is firstly assembled to the upper part of the upper band form. After reinforcing bars are arranged in the lower band form, the upper band form, and the form, concrete is firstly placed in the lower band form, the upper band form, and the form to construct a foundation pier. After the foundation pier is constructed, the upper band form, the form, and the outer scaffolding form are removed. So, as the device for a construction method for a high pier cures the concrete secondly, thirdly, fourthly, and the like while moving to the upper side in order, the device enables construction of a high pier. Therefore, the construction method for a high pier can reduce construction periods by enabling a rapid construction work in minimum numbers of workers. Also, the device enables the worker to perform a work using a safety footboard installed at multiple stages on the outer scaffolding frame, so the device for the same enables the worker to perform a safe work at a high place.

Description

TECHNICAL FIELD [0001] The present invention relates to a high pier construction method,

The present invention relates to a high pier construction method and an apparatus therefor, and more particularly to a method of constructing a high pier construction method by assembling a lower portion of a lower band foam on an upper portion of a lower band foam provided in an inner lower part of a frame, The bottom part of the upper foam band is assembled with the lower part of the upper part of the foam, the upper part of the upper part of the foam is filled with the concrete, The concrete is continuously cured while the forming foam and the outer scaffold frame are sequentially moved to the upper part, thereby continuously constructing the high pier.

Generally, in order to construct a pier installed at the lower part to support the upper structure such as a girder or a slab of a bridge, a plurality of reinforcing bars must be installed in a vertical direction, and concrete must be laid and cured. In particular, in the case of a general girder bridges other than the PC box girder bridges, it is common to manufacture the bridge bridges in a cylindrical shape.

A prior art of such a bridge pier is disclosed in Japanese Patent Laid-Open No. 10-0634698 (entitled "Hollow Bridge Bridge Construction Method Using Landfill Form").

Such a prior art 10-0634698 discloses a hollow pier construction method comprising the steps of: placing reinforcing bars on top of a foundation concrete; A second step of installing a block-based embedding mold inside the reinforcing bar; A third step of installing an outer mold on the outside of the reinforcing bar; A fourth step of placing concrete between the outer mold and the embedding mold; And a fifth step of demolding the outer formwork after the concrete is cured. The embedding formwork is formed into a plurality of unit blocks in consideration of the one-time pile height and the convenience of movement.

This prior art can improve the workability in the bridge pier construction by solving the form installation and demolding problem in the hollow pier interior space of the small bridge, and also it is possible to improve the workability in the bridge pier construction, It is possible to replace the existing concrete piers in the piers, thereby improving the inefficiency such as excessive use of concrete and increase in the amount of reinforcing steel, thereby reducing the raw material by about 40%.

However, this prior art is a method for assembling the buried formwork by a single pile height to fix the reinforcing bars, then installing the outer formwork as its outer circumference, curing the concrete, and then demolding the outer formwork, In order to pour the concrete into the upper part of the foundation concrete by filling it with the reinforcing bars, and to connect the two-step concrete after curing, another pouring form is assembled and stacked on the upper part of the first cured concrete, So that a large amount of material is required, which not only adds to the cost of construction but also makes it difficult to continuously carry out the construction work, resulting in a problem that the workability is lowered.

SUMMARY OF THE INVENTION The present invention has been accomplished in order to solve the problems of the conventional art, and it is an object of the present invention to provide a method of manufacturing a lower band foam by assembling a lower part of a lower band foam, The worker climbs up and places it in the lower band foam and the upper band foam. Then, the lower part of the forming foam is assembled and installed on the upper part of the upper band foam, and the concrete is placed and cured inside the lower band foam, the upper band foam, The present invention provides a high pier construction method for constructing a pier and then continuously demolding an upper band form, a forming foam and a scaffold frame on top of the foundation pier and sequentially moving the concrete to the upper part, and a device therefor .

Another object of the present invention is to provide a plurality of safety footsteps by maintaining a vertical gap between vertical frames of a frame frame assembled in a polygon, thereby enabling a worker to perform safe work in the construction of a high bridge.

To achieve these and other advantages and in accordance with the purpose of the present invention, as embodied and broadly described herein, there is provided a method of manufacturing a bridge structure, comprising the steps of: assembling a lower frame on which a lower band foam is assembled in a circular or elliptical shape; Assembling a top band foam, which is assembled in a circular or elliptical shape, on the upper part of the lower band foam; Assembling a molded foam, which is assembled into a lower band foam and an upper band foam, and then assembling a circular or elliptical mold on the upper band foam; A first step of cementing the concrete inside the lower band foam, the upper band foam and the molding foam by first joining the anchor bolt and the buried nut to the assembly hole of the molding foam; A step of demolding the formed foam from the first cured concrete; Demolding the upper band foam from the first cured concrete; A step of fastening an anchor bolt to a primary buried nut to fasten a band foam block in a primary direction; A primary scaffold frame demolding process of demolding the lower band foam and moving it to the upper side to assemble the primary band foam block; Assembling the upper band foam assembled in a circular or oval shape on the upper part of the band foam block; Assembling the molded foam in a circular or elliptical shape on the upper portion of the upper band foam, after assembling the upper band foam; Joining an anchor bolt and a buried nut secondarily to an assembly hole of the molded foam, and then curing the concrete secondarily in the upper band foam and the molded foam; A step of demolding the molded foam from a secondarily cured concrete; Demolding the upper band foam from the second cured concrete; Tightening an anchor bolt to a secondary buried nut to fasten the secondary band foam block; A secondary scaffold frame demolding process for demolding the lower band foam and moving it to the upper portion to assemble the secondary band foam block; Assembling the upper band foam assembled in a circular or oval shape on the upper side of the band foam block; Assembling the molded foam in a circular or elliptical shape on the upper part of the upper band foam, after assembling it in the upper band foam; And a third step of curing the concrete in the upper band foam and the molding foam.

According to another aspect of the present invention, there is provided a pneumatic tire comprising: a frame having a lower band foam which is assembled in a circular or elliptical shape at an inner lower end thereof, An upper band foam removably mounted on the lower band foam and assembled into a circular or oval shape; The upper part of the upper band is detachably mounted on the upper part of the mold, and the molding foam is assembled into a circular or elliptical shape. The concrete is placed in the upper part of the concrete, The upper band foam is assembled and the lower part is composed of a band foam block in which a scaffold frame separated from the foundation pier is moved and installed, and the upper band foam, the forming foam, the lower band foam and the scaffold frame are sequentially moved And the concrete is cured to construct a circular or elliptical bridge pier.

According to another aspect of the present invention, there is provided a cement mortar composition comprising: a scaffold frame provided with a lower band foam that is assembled in a polygonal shape at an inner lower end thereof, An upper band foam removably mounted on the lower band foam and assembled into a polygon; The upper part of the upper band is detachably mounted on the upper part of the mold, and is composed of a molding foam which is assembled in a polygon. The concrete is cured by being poured into the inside of the upper part of the upper band form. And a band foam block in which a band frame is assembled and installed at a lower portion thereof and a scaffold frame separated from a foundation pier is moved to move the upper band foam, the formed foam, the lower band foam and the scaffold frame upward, So that the piers are constructed with polygons.

According to the present invention, a lower portion of a lower band foam is assembled on an inner lower portion of a polygonal frame, a lower portion of the lower band foam is assembled first, a reinforcing bar is securely inserted into the lower portion of the lower band foam, The lower part of the upper band form is first assembled and the lower part of the lower band form, the upper band form and the molding form are first cast and cured to form the foundation bridge pier, and then the upper band form, 2.3.................................... It is possible to perform a safe operation even in a high position because the work is performed while using the safety footstep which is equipped with several stages in the frame.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 and FIG. 2 are perspective views of a lower and upper band foam and a forming foam applied to a high pier construction method and an apparatus therefor according to the present invention;
FIG. 3 is a schematic view of a high pier construction method and apparatus according to the present invention, and is a view showing a state in which a pier frame having a lower band foam is assembled and installed on a pier foundation.
4 is an enlarged view of the "A" portion of Fig.
FIG. 5 is a view showing a construction method of a high bridge pier according to the present invention and a device therefor, and is a view showing a state in which an upper band foam is assembled and installed on an upper part of a lower band foam.
FIG. 6 is a view showing the construction of a high bridge construction method and an apparatus therefor according to the present invention, and is a view showing a state in which a molded foam is assembled and installed on an upper band foam. FIG.
FIG. 7 is a view illustrating a method of constructing a high bridge pier according to the present invention and a device therefor. FIG. 7 is a view showing a state in which concrete is first installed in a lower band form, an upper band form, and a molded foam.
FIG. 8 is a schematic view of a high pier construction method and an apparatus therefor according to the present invention, and is a view showing a state in which a molded foam is demolded after curing of concrete laid primarily.
FIG. 9 is a schematic view of a high pier construction method and an apparatus therefor according to the present invention. FIG. 9 is a view showing a state where a top band foam is demolded after curing of concrete laid primarily.
FIG. 10 is a view showing a construction method of a high pier construction method according to the present invention and a construction of the apparatus according to the present invention, wherein a primary band foam block is fastened and fixed to an anchor bolt embedded in an upper part of a concrete laid first.
11 is a view showing the construction of a high bridge construction method according to the present invention and an apparatus therefor according to the present invention, Fig. 13 is an exploded perspective view of Fig. 12. Fig.
FIG. 14 is a view showing the construction of a high pier construction method according to the present invention and a device therefor, which is a bottom construction view with a safety footrest installed on a pier frame.
15 and 16 are plan views of a high bridge construction method and an apparatus therefor according to the present invention, in which a horizontal reinforcing bar of a frame is installed.
17 is a view showing the operation state of the demolition means for demolding the lower band foam of the apparatus according to the present invention, wherein a and b are the state diagrams before the demoulding means is operated, and c and d are the demolition means Fig.
18 is a view showing a construction method of a high bridge pier construction method according to the present invention and an apparatus therefor according to the present invention, in which a second upper band form is installed on the upper part of the first band block and a second form assembly is installed on the upper part of the upper band form Fig.
19 is a schematic view of a high pier construction method and an apparatus therefor according to the present invention. FIG. 19 is a view showing a state in which a concrete is secondarily inserted into a molded foam and an upper band foam.
20 is a schematic view of a high pier construction method and an apparatus therefor according to the present invention, and is a view showing a state in which a molded foam is demolded after curing of a concrete poured in a secondary environment.
FIG. 21 is a schematic view of a high pier construction method and an apparatus therefor according to the present invention. FIG. 21 is a view showing a state in which the upper band foam is demolded after curing of the concrete poured in the secondary.
FIG. 22 is a view showing the construction of a high pier construction method according to the present invention and a device therefor, wherein a secondary band foam block is fastened and fixed to an anchor bolt embedded in an upper part of a concrete pier installed in a secondary.
23 is a view showing the construction of a high bridge construction method and an apparatus therefor according to the present invention, and is a view showing a state in which a secondary scaffold frame is moved upward to a secondary band block.
FIG. 24 is a view showing the construction of a high pier construction method according to the present invention and an apparatus therefor. FIG. 24 shows a state in which a third upper band form is installed on the upper part of the secondary band block, Fig.
FIG. 25 is a schematic view of a high pier construction method and an apparatus therefor according to the present invention. FIG. 25 is a view showing a state in which a concrete is placed in a third form inside a molded foam and an upper band foam.
26 and 27 illustrate another embodiment of a high pier construction apparatus according to the present invention, which is a perspective view of a lower and upper band form and a forming foam made up of multiple polygons.
28 is a view showing another embodiment of a high pier construction apparatus according to the present invention, and is a view showing a state in which a pier frame equipped with a lower band foam is assembled and installed on a pier foundation base.
29 is an enlarged view of the portion "A" in Fig.
30 is a view showing another embodiment of a high pier construction apparatus according to the present invention, and is a view showing a state in which an upper band foam is assembled and installed on an upper part of a lower band foam.
FIG. 31 is a view showing another embodiment of a high pier construction apparatus according to the present invention. FIG. 31 is a view showing a state where concrete is firstly installed in a lower band foam, an upper band foam, and a molded foam.
FIG. 32 is a view showing another embodiment of a high pier construction apparatus according to the present invention, and is a view showing a state in which a molded foam is demoulded after curing of a concrete laid primarily. FIG.
FIG. 33 is a view showing another embodiment of a high pier construction apparatus according to the present invention, and is a view showing a state where a top band foam is demolded after curing of a concrete laid primarily. FIG.
FIG. 34 is a view showing another embodiment of the high pier construction apparatus according to the present invention, in which a primary band foam block is fastened and fixed as an anchor bolt to an embedded nut buried in the upper part of a primary laid concrete, Fig. 8 is a view showing a state in which a scaffold frame is moved upward to a band foam block. Fig.
FIG. 35 is a view showing another embodiment of a high pier construction apparatus according to the present invention, in which a lower band form of a scaffold frame moved upward is installed on a band foam block.
36 is a configuration diagram showing another embodiment of a high pier construction apparatus according to the present invention, and is a bottom view configuration in a state in which a safety footrest is installed on a pier frame.
37 and 38 are plan views showing another embodiment of a high pier construction apparatus according to the present invention, in which a horizontal reinforcing bar of a scaffold frame is installed.
FIG. 39 is a diagram showing another embodiment of the high bridge pavement construction apparatus according to the present invention, in which the operation modes of the demoulding means for demolding the lower band foam are represented by a and b, And d is a state in which the demoulding means is operated.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT Hereinafter, an embodiment of a high pier construction method according to the present invention will be described in detail with reference to the accompanying drawings.

A method of constructing a high pier construction method according to the present invention includes assembling a pier frame having a safety foot on a pier foundation on which a lower band foam is assembled and held at a predetermined height and a polygon, ; Assembling an upper band foam, which is assembled in a circular shape or an elliptical shape, on the lower band foam upper part of the inner side of the frame; A step of assembling reinforcing bars inside the lower band foam and the upper band foam and then molding the molded foam assembled in a circular or oval shape on the upper band foam; Joining an anchor bolt and a buried nut to an assembler formed in an upper region of the formed foam; Casting the concrete into the lower band foam, the upper band foam and the molding foam; A step of separating an anchor bolt from a buried nut after a first concrete pouring of concrete; Separating the formed foam from the upper band foam and then demolding it from the primary concrete to the upper part; Separating the upper band foam from the lower band foam and then demolding it from the primary concrete to the upper part; A step of fastening and fixing an anchor bolts to a buried nut buried in a primary laid concrete, and then sequentially fastening and fixing band foam blocks through an anchor bolts; A primary scaffold frame demolding process for demolding the lower band foam and moving it to the upper portion to assemble the band foam block; Assembling the upper band foam, which is moved upward and assembled into a circular or oval shape, on the upper part of the band foam block; A step of assembling reinforcing bars inside the upper band foam and moving the upper part of the upper band foam upward to form a circular or elliptically shaped formed foam; A step of joining an anchor bolt and a buried nut secondarily to an assembling hole formed in an upper region of the formed foam; Pouring concrete into the upper band foam and the molding foam; Separating the anchor bolts from the buried nuts after concrete curing of the secondarily installed concrete; Separating the molded foam from the upper band foam and then demolding the concrete from the concrete to the upper part; A step of separating the top band foam from the secondary concrete by the primary band-shaped foam block and releasing the upper band foam from the secondary concrete; A step of securing and fixing an anchor bolts to a buried nut buried in a second laid concrete, and then securing and securing a second band foam block sequentially through an anchor bolts; The scaffold frame is suspended by a crane, and then the lower band foam is separated from the band-shaped foam block to which the primary band is fastened and fixed. At the same time, the band foam block is separated and then the lower band foam is demolded to be fastened to the secondary band foam block A secondary scaffold frame deformation process; Assembling the upper band foam, which is moved upward and assembled into a circular or oval shape, on the upper part of the secondary band foam block; A step of assembling a molded foam which is assembled into a circular or elliptical shape by moving a reinforcing bar into the upper band foam and then moving it to the upper part of the upper band foam; A second step of joining an anchor bolt and a buried nut to an assembly hole formed in an upper region of the formed foam, and a third step of pouring concrete into the upper band foam and the formed foam.

The shaping foam demolding process comprises the steps of releasing the clamping force from the first and second upper band forms of the molded foam assembled into a circular or elliptical shape; Separating the molded foam assembled into a circular or oval shape into a semicircular shape; And separating the molded foam separated in the semicircle or semi-ellipse from the first and second concrete.

The de-molding process of the upper band foam comprises: releasing the fastening force from the lower band foam and the primary band foam block, the upper band foam assembled into a circular or oval shape; Separating the upper band foam assembled into a circular or oval shape into a semicircular or semi-elliptical shape; And separating the upper and lower bands into semicircular or semi-elliptical shapes and then demolding them from the first and second concrete.

The primary scaffold frame de-molding process includes the steps of releasing the fastening force of the lower band foam itself fixed to the inside of the lower beam of the inner beam of the vertical frame constituting the scaffold frame and assembled into a circular or oval shape; Demolding the primary lower band foam from the concrete by opening the safety foot and the horizontal reinforcement bar outward by means of demoulding means provided on the outer side of the outer beam of the vertical frame constituting the frame frame; Releasing the fastening force from the pier foundation; Moving the scaffold frame upward, assembling the lower band foam into a circular or elliptical shape, and then fastening and fixing the upper portion of the lower band foam to the lower portion of the band foam block.

The secondary scaffold frame de-molding process may include suspending the scaffold frame with a crane, then separating the lower band foam from the primary fixedly fixed band foam block, Demolding the primary lower band foam from the concrete by opening the safety foot and the horizontal reinforcement bar outward by means of demoulding means provided on the outer side of the outer beam of the vertical frame constituting the frame frame; Moving the scaffold frame upward, assembling the lower band foam into a circular or elliptical shape, and fastening and fixing the upper portion of the lower band foam to the lower portion of the second band foam block.

A high pier construction method and an apparatus therefor will now be described with reference to the accompanying drawings.

As shown in FIGS. 1 and 3, the frame 10 fixed by brackets to the outer circumferential surface of the lower band foam 2, which is assembled and held while maintaining a constant height and a polygon, Is installed on the upper part of the pier foundation A completed.

The frame 10 includes a plurality of inner brackets 11 horizontally fixed to the outer side of the lower band foam 2 assembled into a circular or oval shape as shown in FIGS. 4, 15 and 16;

A plurality of inner ribs 12a provided vertically while holding a polygon at an outer end of the inner bracket 11 and a plurality of inner ribs 12b arranged horizontally while maintaining vertical intervals at the lower end and outer surface of the inner beam 12a A vertical frame 12 made up of a plurality of outer beams 12c vertically installed on the outer surface of the inner reinforcement band 12b; A plurality of safety footsteps 13 installed between the inner beam 12a and the outer beam 12c of the vertical frame 12 and on the upper portion of the inner reinforcing base 12b while maintaining a polygon; A plurality of horizontal reinforcing bars 17 provided inside the outer beam 12c of the vertical frame 12 between the safety footsteps 13 to maintain a polygon and maintain vertical spacing; And a demolding device for demolding the lower band foam 2 from the cured concrete by opening the safety footrest 13, the horizontal reinforcement band 17 and the lower band foam 2 outwardly, (20).

14, the safety footrest 13 is provided with a polygon formed between the inner beam 12a and the outer beam 12c of the vertical frame 12 and the upper portion of the inner reinforcing base 12b at the lower end thereof, Separation footrests 14a and 14b; A central separation stepping plate 15b separated from the inner beam 12a and the outer beam 12c by two polygons while maintaining a polygon on the inner side reinforcement 12b of the central region; And upper separating foot plates 16a and 16b separated from each other by maintaining a polygon between the inner beam 12a and the outer beam 12c and the inner reinforcing base 12b of the upper region.

The horizontal reinforcing bar 17 maintains a polygonal shape inside the outer beam 12c of the vertical frame 12 between the lower separation stepping plates 14a and 14b of the safety stepping plate 13 and the central separation stepping plates 15a and 15b A lower reinforcing bar 17b and a lower reinforcing bar 17b; A central reinforcing bar 16 which is separated into two by holding a polygon inside the outer beam 12c of the vertical frame 12 between the central separation legs 15a and 15b and the upper separation legs 16a and 16b of the safety footrest 13, (17c) and (17d); And an upper reinforcing bar 17e integrally formed horizontally while maintaining a polygon inside the outer beam 12c of the vertical frame 12 above the upper separation footrests 16a and 16b of the safety footrest 13. [

In this case, the safety footrest 13 and the horizontal reinforcing base 17 are each configured to have three stages for the sake of convenience. However, the safety footrest 13 and the horizontal reinforcing base 17 are not limited thereto.

17a and 17b, the demolding means 20 is provided on the outer side of the lower separation stepping plates 14a and 14b constituting the safety stepping plate 13, at both ends of the lower reinforcing steps 17a and 17b, A vertical beam 21 vertically arranged corresponding to the outside of the vertical line 15b; Brackets (22) (23) provided corresponding to the lower area between the vertical beams (21); Adjusting bolts (25) and (26) both ends of which are rotatably connected to the brackets (22) and (23) by fixing pins (24) and whose threads are formed in opposite directions; A horizontal screw hole 27a is formed between the adjustment bolts 25 and 26 so that the adjustment bolts 25 and 26 are simultaneously moved leftward and rightward along the horizontal and / And a bar 27.

In order to demold the lower band foam 2 from the concrete by the demolding means 20, the lower band foam 2 assembled in a circular or oval shape and the lower separating foot plate 14a constituting the safety footstep 13 connected in a polygonal manner, (17c) (17d) constituting the horizontal reinforcing bar (17) are separated from each other, and the separated portions of the central supporting ribs (17c), (17b) As shown in FIG.

5, the upper band foam 30 assembled in a circular or elliptical shape is first assembled to the upper part of the lower band foam 2 at the lower side of the inner side of the inner beam 12a of the frame 10 .

That is, on the upper part of the lower band foam 2, the lower part of the upper band foam 30 having the same height and diameter as the lower band foam 2 and assembled into a circular or oval shape is placed, The upper band foam 30 is fastened and fixed by bolts.

Next, as shown in FIG. 6, the worker climbs the safety footrest 13 of the frame 10 to securely install the reinforcing bars in the lower band foam 2 and the upper band foam 30, 30, and the molding foam 40 is fastened and fixed to the upper portion of the upper band foam 30 by means of bolts. At this time, the formed foam 40 maintains the same diameter as the upper band foam 30, but has a high height (see FIG. 2).

7, the anchor bolts 50 are firstly projected to the outside and inside of the molding foam 40 through a plurality of assembly holes 40a formed at the same height in the upper region of the molding foam 40, And the buried nuts 52 are sequentially horizontally joined to each other and then cured by placing the concrete primarily in the lower band foam 2, the upper band foam 30 and the forming foam 40.

Subsequently, as shown in FIG. 8, a plurality of anchor bolts 50 are successively separated from the buried nuts 52 and the assembling holes 40a after curing of the first laid concrete, and the buried nuts 52 are removed from the assembling holes 40a And then the molding foam 40 is released from the upper band foam 30 and then the semi-circular or semi- And then the formed foam 40 is demolded from the first cured concrete and moved to the upper part.

That is, when a pair of molded foams 40 separated into semicircle or semi-ellipse are moved to the upper part by a crane or the like, the molded foam 40 is demolded from the firstly cured concrete and moved to the upper part, (40) are assembled into a circular shape or an elliptical shape.

9, the fastening force of the upper band foam 30 fastened and assembled to the upper portion of the lower band groove 2 is released from the lower band foam 2, and then the upper band foam 30 is divided into semicircular or semi- After separating into an ellipse, the upper band foam 30 is demolded from the first cured concrete and moved upward.

That is, when a pair of upper band foam 30 separated into a semicircle or a semi-ellipse is moved upward by a crane or the like, the upper band foam 30 is demolded from the primary cured concrete and moved upward, The lower band foam 30 is assembled into a circular shape or an elliptical shape.

10, the anchor bolts 50 are successively fastened and fixed to the buried nuts 52 buried in the first cured concrete, and the anchor bolts 50, (60) are sequentially tightened and fixed.

12 and 13, the band foam block 60 includes a body 62 having a horizontal coupling hole 62a to which the anchor bolt 50 is coupled horizontally; An upper support piece 64 integrally formed on the upper portion of the body 62 and having a bolt assembly hole 64a on which the upper band foam 30 is mounted and fastened by bolts; And a lower support piece 66 integrally formed on the lower portion of the body 62 and having a bolt fastening hole 66a on which the lower band foam 2 is seated and fastened by bolts.

In this state, as shown in FIG. 11, the scaffold frame 10 is demolded and moved upward, and then assembled to the band foam block 60 to be primarily moved. Then, the inner beam 12a of the vertical frame 12 The worker climbs the safety footstep 13 installed between the outer beams 12c and the inner reinforcing base 12b while maintaining a polygon to securely carry out the work to be described later.

That is, as shown in FIGS. 4 and 14, the inner band 12a of the vertical frame 12 constituting the frame 10 is connected with the inner bracket 11, and the lower band foam 2 and then the lower separation foot 14a and 14b of the safety foot 13 connected to the lower band foam 2 and the central separation foot 15a and 15b and the upper separation foot 16a, The fastening force of the lower reinforcing rib 17b and the central reinforcing ribs 17c and 17d constituting the horizontal reinforcing rib 17 is released do.

Next, as shown in Figs. 17A-17B and Figs. 17C-17D, when the adjustment bar 27 constituting the demoulding means 20 mounted between the two outer regions of the safety footrest 13 is simultaneously rotated in one direction And an adjusting bolt 22 which is screwed to the horizontal or bore 27a of the adjusting bar 27 and is rotatably connected to the brackets 22 and 23 fixed to the vertical beam 21 at both ends by a fixing pin 24 25) 26 are simultaneously moved in the left and right directions along the horizontal or punch hole 27a.

A force for moving left and right of the adjustment bolts 25 and 26 is applied to the vertical beams 21 vertically installed between the lower separation boards 14a and 14b and the central separation boards 15a and 15b The separated portions of the lower separation stepping plates 14a and 14b that are separated from each other between the inner beam 12a and the outer beam 12c and the upper portion of the inner reinforcing base 12b at the lower end are simultaneously opened outward And the vertical band 21 is moved outwardly by an interval that the lower band-shaped foam 2 and the lower band-shaped foam 2 are widened outwardly, The lower band foam 2 is demolded from the first cured concrete.

The central separation footrests 15a and 15b and the upper separation footrests 16a and 16b separated from the upper portion of the inner reinforcing base 12c of the central region and the upper region of the inner beam 12a and the outer beam 12c, The separating portions are opened in a narrower interval than the foot plates 14a and 14b and horizontally detachably installed on the outer side and the inner side of the inner beam 12a and the outer beam 12c, The lower reinforcement strips 12b-1 and 14b-1 installed on the upper and lower support plates 21 and 21 are moved outward together with the vertical beams 21, The central reinforcing bar 17b is spaced narrower than the central separation stepping plates 15a and 15b and the inner and outer beams 12a and 12c in the upper region of the central reinforcing bar 17b, And the upper reinforcing strip 17e located in the upper region of the upper separation stepping plates 16a and 16b is integrally formed and is not extended.

In this state, the frame 10 is released from the pier foundation A and then the frame 10 is lifted with a crane or the like to move it to the upper part so that the lower band form 2 ) Is completely demolded from the primary concrete and then the control bar 27 of the demoulding means 20 is rotated in the direction opposite to the above direction, the lower separation stepping plates 16a and 16b are moved inward, As the lower band foam 2 is moved inwardly and the vertical beams 21 are moved inwardly by an interval in which the lower separation bandages 14a and 14b and the lower band foam 2 are moved inward, The middle separation stepping stones 15a and 15b, the upper separation stepping stones 16a and 16b and the lower band form 2 of the safety stepping stalks 13 are moved inward .

At the same time, the lower reinforcing ribs 17a and 17b are moved inward together with the vertical beams 21, and the central reinforcing ribs 17c and 17d are moved inward to closely contact the separated portions.

Next, the lower separating foot 14a, 14b, the central separating foot 15a, 15b, the upper separating foot 16a, 16b and the central reinforcing bars 17c, 17d of the safety footrest 13 are fastened The upper part of the lower band foam 2 is brought into close contact with the lower part of the lower support piece 66 of the band foam block 60 and the lower part of the band foam block 60 is successively inserted through the bolt fastening hole 66a of the lower support piece 66 , The scaffold 10 is primarily moved and installed in the upper area of the cured concrete.

18, the lower portion of the upper band foam 30, which is demolded and assembled into a circular or elliptical shape, is connected to the upper support piece 64 of the band foam block 60 installed in the first cured concrete upper region And then the lower band foam 30 is fastened and fixed by bolts sequentially through the bolt assembly holes 64a of the upper support piece 64 so that the lower portion of the upper band foam 30 is fixed to the upper support piece 64 of the band foam block 60, The upper band form 30 is fixed by securing the upper part of the upper band form 30 so that the inner circumferential face is in close contact with the outer circumferential face of the first cured concrete, The lower part of the molded foam 40 assembled into a circular or oval shape is seated on the upper part of the upper band foam 30 and fastened and fixed with the bolt to form the molding foam 40 ) Are fastened and fixed in a second order.

19, the anchor bolt 50 and the buried nut 52 are secondarily engaged with the assembly hole 64a of the forming foam 40 and the upper band foam 30 and the inside of the molding foam 40 And the concrete is cured by the second concrete.

20, the anchor bolt 50 is detached from the buried nut 52 after the secondary curing of the concrete, and then the anchor bolt 50 is removed from the anchor bolt 50 by the fastening force of the forming foam 40 fastened and assembled on the upper band foam 30 Is released from the upper band foam 30 and the molded foam 40 assembled in a circular or elliptical shape is separated into a semicircular or semi-elliptical shape and the formed foam 40 is demolded from the secondarily cured concrete and moved to the upper side do.

That is, when the molded foam 40 separated by a semicircle or a semi-ellipse is moved upward by a crane or the like, the molded foam 40 is demolded from the secondarily cured concrete and moved upward, Are assembled into a circle or an ellipse.

21, the upper band foam 30 fastened with a bolt to the bolt assembly hole 64a formed in the upper support piece 64 of the band foam block 60 installed in the first concrete cured region, The upper band foam 30 is separated into a semicircular or semi-elliptic shape, and then the upper band foam 30 is demolded from the first cured concrete and moved to the upper side.

That is, when the upper band foam 30 separated by a semicircle or semi-ellipse is moved upward by a crane or the like, the upper band foam 30 is demolded from the upper area of the first cured concrete and moved to the upper part, The upper band foam 30 is assembled into a circular or oval shape.

22, the anchor bolts 50 are fastened and fixed to the buried nuts 52 buried in the secondarily laid concrete, and then the second band foam blocks 60 are successively placed through the anchor bolts 50 As shown in Fig.

That is, after the anchor bolts 50 are fastened to the buried nuts 52, the horizontal coupling holes 62a formed on the body 62 of the band foam block 60 are sequentially connected through the anchor bolts 50 And the second band foam block 60 is fastened and fixed in order.

Next, as shown in FIG. 23, while separating the lower band foam 2 from the first clamped band foam block 60 while stably hanging the frame 10 with a crane, the lower band foam 2 2 is removed and then the lower band foam 2 is demolded to the upper side and fastened to the secondary band foam block 60 to move the scaffold frame 10 to the second position. The worker climbs up the separation stepping boards 14a and 14b, the middle separation stepping boards 15a and 15b and the upper separation stepping boards 16a and 16b so as to safely perform the work described later.

That is, the fastening force of the lower band foam 2 is released from the bolt fastening hole 66a of the lower support piece 66 constituting the primary band foam block 60 fastened and fixed to the lower band foam 2, The clamping force of the anchor bolt 50 is released from the buried nut 52 and the anchor bolt 50 and the band foam block 60 are separated and treated separately so that the lower band foam 2 assembled in a circular or oval shape, After releasing the fastening force for the separation parts of the lower separation stepping plates 14a and 14b and the middle separation stepping plates 15a and 15b and the upper separation stepping plates 16a and 16b of the stepping plate 13, The defrosting means 20 is operated in the same manner as the defrosting operation to disengage the lower region from the second cured concrete by opening the safety footstep 13, the horizontal reinforcing band 17 and the lower band foam 2 outwardly .

Thereafter, the demoulding means 20 is operated in the reverse direction to move the safety footrest 13 and the lower band foam 2 inwardly to come in close contact with each other. Then, the lower band foam 2 is assembled while maintaining a circular or oval shape The upper portion of the lower band foam 2 is brought into close contact with the lower portion of the lower support piece 66 of the band foam block 60 and the bolt fastening hole 66a of the lower support piece 66 is tightened, The frame 10 is moved and installed in the second area of the upper part of the cured concrete.

24, the lower portion of the upper band foam 30, which is deformed to the upper portion and assembled into a circular or elliptical shape, is inserted into the upper support piece 64 (see FIG. 24) of the band foam block 60 installed in the second- The lower band foam 30 is fastened and fixed by bolts sequentially through the bolt assembling hole 64a of the upper support piece 64 so that the lower portion of the upper band foam 30 is fixed to the upper support piece 64 of the band foam block 60, The upper band form 30 is fixed to the upper portion of the concrete by being thirdly fastened so that the inner circumferential surface is closely contacted with the outer circumferential face of the upper portion of the upper band form 30 The lower part of the molded foam 40 assembled into a circular or oval shape is seated on the upper part of the upper band foam 30 and fastened and fixed with the bolt to form the molding foam 40 ) Are fixed and fixed three times.

Next, as shown in FIG. 25, the anchor bolt 50 and the buried nut 52 are coupled to the assembly hole 40a of the molding foam 40 in a third order, and the upper band foam 30 and the molding foam 40 And concrete is cured by a third-order concrete.

In the subsequent process, the above-mentioned process is repeatedly performed on the upper part of the concrete cured in the third order to cure the concrete with the 4,5,6,7 ... car, and successive construction of the high pier is continuously carried out.

26 to 39 are views showing another embodiment of the high pier construction apparatus of the present invention, which is a lower band form applied to the high pier construction method and apparatus of FIGS. 1 to 25, The present invention relates to a high pier construction apparatus in which a molding foam is applied as a polygon, that is, a square, a pentagon, a hexagon, a polygon, an octagonal, and the like. The same reference numerals and names are used for the same components as in Figs.

26 to 39, a high pier construction apparatus according to the present invention is provided with a lower band foam 2 assembled in a polygonal shape at an inner lower end thereof, and is assembled and installed at an upper portion of a foundation pierce A, (70) which is demolded from the concrete cured by the mortar (80); An upper band foam 30 detachably mounted on the lower band foam 2 and assembled in a polygonal shape; And a forming foam 40 assembled in a polygonal manner to be detachably assembled on the upper band foam 30. The concrete foam is cured by being poured into the interior of the primary band 30, The upper band form 30 is assembled to the upper portion of the body and the band form block 60 to which the frame 70 separated from the foundation bridge pillar A is movably installed. The concrete is cured sequentially while the foam 40, the lower band foam 2, and the frame 70 are moved to the upper position to construct a high bridge pier.

At this time, the lower band foam 2 and the upper band foam 30 are maintained in the same height and size, and are assembled and held in a polygon.

The formed foam 40 is assembled and held in the same size and polygon as the lower band foam 2 and the upper band foam 30, and is divided into quadrants, but has a high height.

The band foam block 60 includes a body 62 having a horizontal coupling hole 62a to which the anchor bolt 50 is coupled horizontally; An upper support piece 64 integrally formed on the upper portion of the body 62 and having a bolt assembly hole 64a on which the upper band foam 30 is mounted and fastened by bolts; And a lower support piece 66 integrally formed on the lower portion of the body 62 and having a bolt fastening hole 66a on which the lower band foam 2 is seated and fastened by bolts.

As shown in FIGS. 29, 37 and 38, the frame 70 includes a plurality of inner brackets 71 horizontally fixed to the outer upper and lower portions of the lower band foam 2 assembled in a polygonal shape; A plurality of inner side beams 72a provided vertically while holding a polygon at the outer side of the inner side brackets 71 and a plurality of inner side ribs 72b horizontally provided at the lower ends and outer side surfaces of the inner side beams 72a, And a plurality of outer beams 72c vertically installed on outer surfaces of the inner reinforcing bars 72b; A plurality of safety footrests 73 installed between the inner beam 72a and the outer beam 72c of the vertical frame 72 and on the inner reinforcing band 72b while maintaining a polygon; A plurality of horizontal reinforcing bars 77 provided inside the outer beam 72c of the vertical frame 72 between the safety footrests 73 to maintain a polygonal shape and maintain vertical spacing; Four pairs of outer beams 72c of the vertical frame 72 are provided to correspond to each other to open the safety foot plate 73 and the lower band foam 2 outwardly to demold the lower band foam 2 from the cured concrete And demolding means (80).

As shown in FIG. 36, the safety footrest 73 holds a polygon between the inner beam 72a and the lower end of the outer beam 72c and the upper portion of the inner reinforcement 72b, and the lower footrests 74a-74d )and; A central separation stepping plate 75a-75d which holds a polygon between the central region of the inner beam 72a and the outer beam 72c and the upper side of the outer bracket 73 and is divided into four; And upper separating foot plates 76a to 76d separated from each other by a polygon between the inner beam 72a and the outer beam 72c and the outer bracket 73 and separated therefrom.

The horizontal reinforcing bar 77 maintains a polygon inside the outer beam 72c of the vertical frame 72 between the lower separation stepping plates 74a-74d of the safety stepping plate 73 and the middle separation stepping plates 75a-75d, A lower reinforcing bar 77a-77d provided separately; A central reinforcing bar 77e provided in the inside of the outer beam 72c of the vertical frame 72 between the central separation legs 75a-75d and the upper separation legs 76a-76d of the safety footrest 73, -77h); And an upper reinforcing bar 77i integrally formed horizontally with a polygonal inside the outer beam 72c of the vertical frame 72 above the upper separation legs 76a-76d of the safety footrest 73.

At this time, the safety footrest 73 and the horizontal reinforcement frame 77 are each configured to have three stages for the sake of convenience. However, the safety footrest 73 and the horizontal reinforcement stage 77 are not limited thereto.

The demoulding means 80 includes brackets 82 and 83 provided corresponding to the lower area between the outer beams 72c of the vertical frame 72 as shown in Figures 39a and 39b; Adjusting bolts (85) and (86) both ends of which are rotatably connected to the brackets (82) and (83) by a fixing pin (84) and whose threads are formed in opposite directions; A horizontal screw hole 87a which is horizontally fastened between the adjustment bolts 85 and 86 is formed so that the adjustment bolts 85 and 86 are simultaneously moved to the left and right along the horizontal or hollow hole 87a And a bar 87.

At this time, in order to demold the lower band foam 2 from the concrete by the demoulding means 80, the lower band foam 2 assembled in four so as to hold the polygon and the lower separating footplate 74d-74d, the central separation stepping plates 75a-75d and the upper separation stepping plates 76a-76d, and the lower reinforcing ribs 77a-77d and the central reinforcing ribs 77a, 77e-77h are released from the four separate portions.

28, the lower band foam 2 at the lower side of the inner side surface of the inner beam 72a of the scaffold frame 70 is bent in the vertical direction, The upper band foam 30 is first assembled with polygons on the upper side.

That is, on the upper part of the lower band foam 2, the lower part of the upper band foam 30 having the same height and diameter as the lower band foam 2 and assembled in a polygon is seated, The upper band foam 30 is fastened and fixed by bolts.

Next, as shown in FIG. 30, an operator climbs up the safety footrest 73 of the frame 70 to safely install the reinforcing bars in the lower band foam 2 and the upper band foam 30, 30, the lower part of the molding foam 40 assembled in a polygonal shape is firstly seated, and the molding foam 40 is fastened and fixed to the upper part of the upper band foam 30 with bolts.

31, the anchor bolts 50 are firstly projected to the outside and inside of the molding foam 40 through a plurality of assembly holes 40a formed at the same height in the upper region of the molding foam 40, And the buried nuts 52 are sequentially horizontally joined to each other and then cured by placing the concrete primarily in the lower band foam 2, the upper band foam 30 and the forming foam 40.

Subsequently, as shown in FIG. 32, a plurality of anchor bolts 50 are successively separated from the buried nuts 52 and the assembling holes 40a after the curing of the first laid concrete, and the buried nuts 52 are removed from the assembling holes 40a And then the fastening force of the formed foam 40 fastened and assembled on the upper band foam 30 is released from the upper band foam 30 and the formed foam 40 is separated, The forming foam 40 is demolded from the first cured concrete and moved to the upper part.

That is, when two pairs of molded foam 40 separated into four pieces are moved to the upper part by a crane or the like, the molded foam 40 is demolded from the first cured concrete and moved to the upper part, ) Are assembled into polygons.

33, the fastening force of the upper band foam 30 fastened and assembled to the upper portion of the lower band groove 2 is released from the lower band foam 2, and then the upper band foam 30 is separated into four pieces The upper band form 30 is demolded from the first cured concrete and moved to the upper side.

That is, when the upper pair of the upper band bobs 30 separated by four pieces are moved upward by a crane or the like, the upper band bobs 30 are demolded from the firstly cured concrete and moved upward, The foam 30 is assembled into a polygon.

The anchor bolts 50 are successively fastened and fixed to the buried nuts 52 buried in the first cured concrete and then a plurality of primary band foam blocks 60 ) Are sequentially tightened and fixed.

34 and 35, the scaffold frame 70 is demolded and moved upward, and then assembled to the band foam block 60 to be moved first, and then the inner beam 70 of the vertical frame 72 The worker climbs up the safety footrest 73 installed between the outer beam 72a and the outer beam 72c and the inner reinforcing base 72b while maintaining a polygon.

29 and 36, the lower band foam 2, which is connected to the inside of the inner beam 72a of the vertical frame 72 constituting the frame 70 by the inner bracket 71 and assembled into a polygon, Separation of the lower separation stepping plates 74a-74d, the middle separation stepping plates 75a-75d and the upper separation stepping plates 76a-76d of the safety stepping plate 73 connected to the lower band foam 2, And the fastening force of the lower reinforcing ribs 77a-77d and the central reinforcing ribs 77e-77h constituting the horizontal reinforcing rib 77 is released.

Next, as shown in FIGS. 39a-39b and 39c-39d, the demolding means 80 is operated to demold the lower band foam 2 from the first cured concrete.

When the control bar 87 of the demoulding means 80 corresponding to four out of the outer beams 72c of the vertical frame 72 is simultaneously rotated in one direction, Adjusting bolts 85 and 86 screwed to the horizontal screw holes 87a of the outer beam 72c and rotatably connected to the brackets 82 and 83 fixed to the outer beam 72c at both ends by a fixing pin 84 , And moves simultaneously in the left and right directions along the horizontal screw hole 87a.

Accordingly, when a force moving in the left and right directions of the adjustment bolts 85 and 86 is transmitted to the outer beam 72c of the vertical frame 72, the gap between the inner beam 72a and the outer beam 72c and between the inner beam 72a and the outer beam 72c The separated portions of the lower separation footrests 74a to 74d separated into four parts are simultaneously opened outward on the inner side reinforcement band 72b and the lower band foam 2 assembly portion connected by the inner side brackets 71 is simultaneously outwardly And the lower region of the outer beam 72c is moved outwardly by an interval in which the lower separation bandage 74a-74d and the lower band foam 2 are spread outwardly, and is expanded in a trapezoidal shape, The lower band foam 2 is demolded from the cured concrete.

At this time, the central separation stepping plates 75a-75d and the upper separation stepping plates 76a-76d provided on the inner side of the inner reinforcing base 12b in the central region and the upper region of the inner beam 72a and the outer beam 72c, 77d-77d (77a-77d) provided on the inner side of the outer beam 72c and horizontally detachably installed on the inner side of the outer beam 72c, both ends of which are provided on the outer beam 72c, And the central reinforcing bars 77e-77h positioned between the central separation stepping plates 75a-75d and the upper separation stepping plates 76a-76d move to the outside along with the outer separation beams 75a- 76d are integrally provided horizontally in the inside of the outer beam 72c of the upper region of the central reinforcing bars 77e-77h and the upper portions of the upper separation legs 76a-76d, The upper reinforcing strip 77i is integrally formed and is not opened.

In this state, the clamping force is released from the pier foundation (A) from the pier frame (70), and then the pier frame (70) is moved upward by a crane or the like to form a lower band form ) Is completely demolded from the primary concrete and then the control bar 87 of the demoulding means 80 is rotated in the direction opposite to the above direction so that the lower separation stepping plates 74a to 74d are moved inward, As the band foam 2 is moved inwardly, as the outer beam 72c is moved inwardly by an interval in which the lower separation foothold 74a-74d and the lower band foam 2 are moved inward, The lower separation foot 74a-74d, the middle separation foot 75a-75d, the upper separation foot 76a-76d and the lower band foam 2 of the safety footrest 73 are moved inward.

At the same time, the lower reinforcing ribs 77a-77d move inward together with the outer beam 72c, and the central reinforcing ribs 77c and 77d move inward and the separated portions come in close contact with each other.

Next, the lower separation tread plates 74a-74d, the middle separation tread plates 75a-75d, the upper separation tread plates 76a-76d, and the central reinforcing tiles 77e-77h of the safety footrest 73 are fastened The upper portion of the lower band foam 2 is brought into close contact with the lower portion of the lower support piece 66 of the band foam block 60 and the lower portion of the band foam block 60 is tightly fastened to the lower support piece 66 with bolts, The scaffold frame (70) is primarily moved to the cured concrete upper area.

In the subsequent steps, the process is repeatedly performed while sequentially moving the frame 70, so that the concrete is cured by 2, 3, 5,...

2: lower band foam 10,70: scaffold frame
11, 71: inner bracket 12, 72: vertical frame
12a, 72a: inner beam 12b, 72b: inner reinforcing bar
12c, 72c: outer beam 13, 73: safety footrest
14a, 14b: lower separation scaffold 15a, 15b: central separation scaffold
16a, 16b: upper separation stepping plates 17, 77:
17a, 17b: lower reinforcing bars 17c, 17d: central reinforcing bars
17e: upper reinforcing bar 20, 80: demolding means
21: vertical beam 22, 23, 82, 83:
24, 84: Fixing pin 25, 26, 85, 86: Adjusting bolt
27,87: Adjusting bar 27a, 87a: Horizontal screw hole
30: upper band foam 40: molding foam
40a: an assembler 50: anchor bolt
52: buried nut 60: band foam block
62: body 62a: horizontal joining ball
64: Upper support piece 64a: Bolt assembly
66: lower supporting piece 66a: bolt fastening hole
74a-74d: Lower separation stepping plate 75a-75d: Central separation stepping plate
76a-76d: upper separation step

Claims (16)

A step of assembling a frame-like frame having a safety footplate on the base of the pier-fixing frame, wherein a lower band foam is assembled in a circular or oval shape at an inner lower portion thereof; Assembling a top band foam, which is assembled in a circular or elliptical shape, on the upper part of the lower band foam; A step of assembling reinforcing bars inside the lower band foam and the upper band foam, and then firstly assembling the molded foam assembled into a circular or oval shape on the upper band foam; A first step of cementing the concrete inside the lower band foam, the upper band foam and the molding foam by first joining the anchor bolt and the buried nut to the assembly hole of the molding foam; A step of demolding the formed foam from the first cured concrete; A step of demolding the sub-band foam from the first cured concrete; A step of fastening an anchor bolt to a primary buried nut to fasten a band foam block in a primary direction; A primary scaffold frame demolding process in which the lower band foam is demolded and moved to an upper portion and assembled to the primary band foam block; Assembling the upper band foam assembled in a circular or oval shape on the upper part of the band foam block; Assembling the reinforcing bars into the upper band foam, and then assembling the molded foams assembled in a circular or elliptical shape on the upper part of the upper band foam; Joining an anchor bolt and a buried nut secondarily to an assembly hole of the molded foam, and then curing the concrete secondarily in the upper band foam and the molded foam; A step of demolding the molded foam from a secondarily cured concrete; Demolding the upper band foam from the second cured concrete; Tightening an anchor bolt to a secondary buried nut to fasten the secondary band foam block; A secondary scaffold frame demolding process of demolding the lower band foam and moving it to the upper portion to assemble the secondary band foam block; Assembling the upper band foam assembled in a circular or oval shape on the upper side of the band foam block; A step of assembling a molded foam, which is assembled in a circular or elliptical shape, on the upper part of the upper band foam, after the reinforcing bars are placed inside the upper band foam; And a third step of curing the concrete in the upper band foam and the molding foam,
The primary scaffold frame de-molding process comprises:
Releasing the clamping force of the lower band foam itself, which is fixed to the lower inner side of the inner beam of the vertical frame constituting the frame, and which is assembled in a circular or oval shape;
Demolding the primary lower band foam from the concrete by opening the safety foot and the horizontal reinforcement bar outward by means of demoulding means provided outside the outer beam of the vertical frame constituting the frame;
Releasing the fastening force from the pier foundation;
And a step of assembling the lower band foam into a circular or elliptical shape after moving the frame to an upper part and then fastening and fixing the upper part of the lower band foam to the lower part of the primary band foam block . delete delete delete 2. The method according to claim 1, wherein the secondary scaffold frame de-
Suspending the frame with the crane, then separating the lower band foam from the first clamped band foam block;
Demolding the primary lower band foam from the concrete by opening the safety foot and the horizontal reinforcement bar outward by means of demoulding means provided outside the outer beam of the vertical frame constituting the frame;
The method as claimed in claim 1, wherein the step of assembling the lower band foam comprises the steps of: moving the scaffold frame upward; assembling the lower band foam into a circular or oval shape; and then fastening and fixing the upper part of the lower band foam to the lower part of the second band foam block . A scaffold frame 10 provided with a lower band foam 2 assembled in a circular or elliptical shape at an inner lower end thereof and assembled at the upper portion of the foundation bridge pier A to be demolded from the concrete cured by the demolition means 20; An upper band foam 30 removably mounted on the upper part of the lower band foam 2 and assembled into a circular or oval shape; And a forming foam 40 assembled in a circular or elliptical shape to be detachably assembled on the upper band foam 30 and cured by being poured into the interior of the first primary concrete and assembled to the upper part of the first cured concrete And a band foam block 60 in which the upper band foam 30 is assembled and the frame 10 separated from the foundation pierceway A is movably installed on the lower part, In a high pier construction apparatus for constructing circular or elliptical bridge piers by sequentially curing concrete while moving a foam 30, a forming foam 40, a lower band foam 2 and a scaffold frame 10 ,
The framework (10)
A plurality of inner beams 12a vertically installed at outer ends of a plurality of inner brackets 11 horizontally fixed to the outside of the lower band foam 2 assembled in a circular or elliptical shape and holding polygons; A plurality of inner reinforcing bars 12b horizontally installed at the lower end and the outer side of the inner beam 12a at regular intervals; A vertical frame 12 made up of a plurality of outer beams 12c vertically installed on the outer surface of the inner side reinforcement band 12b;
A lower separation pedestal 14a and 14b separated in two by holding a polygon between the inner beam 12a and the outer beam 12c of the vertical frame 12 and the inner reinforcing base 12b of the lower end, (15a) and (15b) separated in two by keeping a polygon between the outer beam (12a) and the outer beam (12c) and the inner reinforcing base (12b) in the central region; A safety footrest 13 consisting of an upper separation footrest 16a and 16b separated in two by holding a polygon between the inner beam 12a and the outer beam 12c and the upper portion of the inner reinforcing base 12b; And
A polygon is held inside the outer beam 12c of the vertical frame 12 between the lower separation stepping plates 14a and 14b of the safety stepping plate 13 and the central separation stepping plates 15a and 15b, Reinforcing bars 17a and 17b; The central reinforcing bars 17c and 17d are disposed inside the outer beam 12c of the vertical frame 12 between the central separation footrests 15a and 15b and the upper separation footrests 16a and 16b, Wow; And a horizontal reinforcing bar 17 made up of an upper reinforcing bar 17e integrally formed horizontally while retaining a polygon inside the outer beam 12c of the vertical frame 12 above the upper separation footrests 16a and 16b,
Wherein the safety footrest (13) and the horizontal reinforcing base (17) are opened outward by the demolding means (20) so that the lower band foam (2) is demolded from the concrete. delete delete delete delete 7. The apparatus of claim 6, wherein the band foam block (60)
A body 62 formed with a horizontal coupling hole 62a to which the anchor bolt 50 is coupled horizontally;
An upper support piece 64 integrally formed on the upper portion of the body 62 and having a bolt assembly hole 64a on which the upper band foam 30 is mounted and fastened by bolts;
And a lower support piece (66) integrally formed on the lower part of the body (62) and having a bolt fastening hole (66a) to be fastened and fixed by a bolt on which the lower band foam (2) is seated. . A scaffold frame 70 provided with a lower band foam 2 assembled in a polygonal shape at an inner lower end thereof and assembled at the upper part of the foundation bridge pier A to be demolded from the concrete cured by the demolding means 80; An upper band foam 30 detachably assembled on top of the lower band foam 2 and assembled into a polygon; And a molding foam 40 assembled in a polygonal manner to be detachably assembled on the upper band foam 30. The concrete foam is cured by being poured into the interior of the first band foam 30 and assembled to the upper part of the first cured concrete And a band foam block 60 in which the upper band foam 30 is assembled and installed at a lower portion and a scaffold frame 70 separated from the foundation bridge pillar A is moved and installed, 30, a forming foam 40, a lower band foam 2, and a scaffold frame 70 are sequentially moved upward to cure the concrete, thereby constructing a bridge pier in a polygonal shape,
The framework (70)
A plurality of inner beams 72a vertically installed at outer ends of a plurality of inner brackets 71 horizontally fixed to the upper and lower outer sides of the lower band foam 2 assembled in a polygon; A plurality of inner reinforcing bars 72b horizontally installed at the lower end and the outer side of the inner beam 72a with a vertical gap therebetween; A vertical frame 72 composed of a plurality of outer beams 72c vertically installed on the outer surface of the inner side reinforcement band 72b;
A lower separation stepping plate 74a-74d which holds a polygon between the inner beam 72a and the lower end of the outer beam 72c and the upper side of the inner reinforcement rod 72b, A central separation stepping plate 75a-75d which holds a polygon between the central region of the inner beam 72a and the outer beam 72c and the upper portion of the inner side reinforcing base 72b and is divided into four; A safety footrest 73 consisting of an upper separation footrest 76a-76d separated from the inner beam 72a and the outer beam 72c by a polygon between the inner beam 72a and the outer beam 72c and the upper portion of the inner reinforcing base 72b; And
A lower reinforcing bar (74a-74d) is disposed in the inner side of the outer beam (72c) of the vertical frame (72) between the lower separation stepping plates (74a-74d) 77a-77d; A central reinforcing bar 77e-77h provided inside the outer frame 72c of the vertical frame 72 between the central separation stepping plates 75a-75d and the upper separation stepping plates 76a-76d, And a horizontal reinforcing bar 77 made of an upper reinforcing bar 77i integrally formed horizontally while maintaining a polygon inside the outer beam 72c of the vertical frame 72 on the upper part of the upper separation stepping plates 76a to 76d,
Wherein the safety footrest (73) and the horizontal reinforcing base (77) are opened outward by the demoulding means (80) so that the lower band foam (2) is demolded from the concrete. delete delete delete 13. The device of claim 12, wherein the band foam block (60)
A body 62 formed with a horizontal coupling hole 62a to which the anchor bolt 50 is coupled horizontally;
An upper support piece 64 integrally formed on the upper portion of the body 62 and having a bolt assembly hole 64a on which the upper band foam 30 is mounted and fastened by bolts;
And a lower support piece (66) integrally formed on the lower part of the body (62) and having a bolt fastening hole (66a) to be fastened and fixed by a bolt on which the lower band foam (2) is seated. .

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