KR20010049143A - Wall-climbing forming system using kicker block - Google Patents

Abstract

PURPOSE: A vertical jacking method of a steel mold form using a kicker block is provided to reduce the building time of mold forms, to improve work precision, to decrease a term of works, and to save construction costs. CONSTITUTION: First, concrete is cast into a mold form of a kicker block(2) after installing the kicker block on the bottom side of concrete for forming a wall. Second, a retaining wall reinforcing bars(4) are planted in a forming part of the wall, and extra reinforcing bars are arranged. Third, a steel wall mold form(6) is fixed on the kicker block on both sides of the arranged retaining wall reinforcing bars. Fourth, the mold form of the kicker block(8) is installed on the upper end part of the wall mold form. Fifth, concrete is cast into the wall mold form and the kicker block mold form. Sixth, concrete is cured during a certain period. Seventh, retaining wall reinforcing bars and extra reinforcing bars of the next upper story are arranged on the cured wall concrete. Eighth, the wall mold form is separated from the wall concrete and dismantled from the assembled state. Ninth, the dismantled wall mold form is vertically lifted by a crane and assembled to a kicker block(2a). Tenth, a slab mold form is installed. Eleventh, concrete is cast into the wall mold form and the slab mold form. Twelfth, the concrete in the wall and the slab is cured during a certain period.

Description

WALL-CLIMBING FORMING SYSTEM USING KICKER BLOCK}

The present invention relates to a vertical formwork of steel formwork using a kicker block, more specifically, the formwork used to continuously form retaining walls of the same size, such as an apartment, integrally assembled to match the retaining wall size, and concrete It relates to a vertical formwork of steel formwork using a kicker block made to shorten the formwork installation time by fixedly installed in the kicker block by vertically moving the one-piece formwork after pouring.

In general, the construction of wall structures in a structure such as a building is to install a wall formwork by combining a plurality of panels having a predetermined size on the wall or floor of the building, and the slab is supported by the copper bars at regular intervals in the formwork, After the installation, the concrete is placed on the wall and slab formwork to build the wall and the slab on the upper side at the same time.

In the construction of such a structure, the frame of a typical apartment is composed of pillars, walls and slabs, and the frame of the wall structure is integrally formed by connecting walls and slabs.

Buildings such as apartments with the wall structure as described above are installed on the wall and slab formwork by one floor, reinforce the reinforcing bars, and after pouring concrete, curing the concrete for about 7 to 21 days, and then dismantling the formwork. Frame construction is repeated by repeating the process of installing the upper formwork.

In other words, the frame construction method of the conventional wall-structured apartment is to install one wall formwork and slab formwork, reinforce the reinforcement to the wall and slab, install the wall formwork on the opposite side, and then cast concrete for the wall and the slab. Next, the process of curing the concrete for a certain period and dismantling the wall formwork and the slab formwork is repeated.

In the lower part of the slab formwork, a plurality of clubs are installed at regular intervals to support the slab formwork and the load and working load of the concrete placed on the formwork.

The formwork includes a panel made of wood, a metal form made of metal, or a plastic form made of synthetic resin.

However, according to the frame construction method of the conventional wall-structured apartment as described above, because the slab formwork is used by using the copper bar, the slab construction must be performed one by one, thereby essentially curing period of each floor Since it is necessary, in the case of a multi-storey building, the construction period required for the framework is basically long.

In addition, since the formwork and the copper bar are installed at the site, a lot of manpower is required for work, precise construction is difficult, and a lot of construction time is required.

Also, when the formwork is dismantled, the formwork is damaged a lot, there is a lot of waste materials, and it takes a lot of manpower and cost to transport the dismantled formwork, and a storage place for storing materials such as copper and formwork. in need.

The present invention has been made to solve the conventional problems as described above, the object of the present invention is to reinforce concrete structure and high-rise steel structure retaining wall, such as a high-rise apartment or officetel composed of a vertical change less concrete wall and slab It is possible to shorten the form installation time by installing the formwork in one piece to fit the retaining wall size, and fix the formwork in the kicker block by moving the integrated formwork vertically to the top after assembling the concrete. In order to shorten the construction period and reduce the construction cost, the steel formwork vertical lifting method using the kicker block is provided.

1 is a process chart showing a steel formwork vertical lifting method using a kicker block according to the present invention.

2A and 2B are a plan view and a front view showing a kicker block applied to the present invention.

3 is a front view showing a retaining wall reinforcement;

4 is a cross-sectional view showing that the wall formwork according to the present invention is installed.

5 is a front view showing a wall formwork applied to the present invention.

6 is a plan view showing that the wall formwork of Figure 5 is installed.

7A and 7B are plan views showing ratchets applied to the present invention.

8 is a cross-sectional view showing the retaining wall reinforcement of the upper layer.

9 is a front view showing that the wall formwork according to the present invention is vertically pulled up.

Fig. 10 is a side view showing the concrete being cast on the wall and the slab of the upper layer at the same time.

The steel formwork vertical lifting method using the kicker block proposed by the present invention includes a kicker block installation process for installing a kicker block on a concrete floor on which a wall is to be formed, and a wall reinforcement for reinforcing the retaining wall reinforcement and reinforcing bars at the part where the wall is to be formed. Process, the wall formwork installation process for fixing the wall formwork assembled on both sides of the wall reinforcement to the kicker block, the kicker block formwork installation process installed at the upper end of the wall formwork, and the concrete in the installed wall formwork and the kicker block formwork Wall concrete pouring process, wall concrete curing process for curing wall concrete for a predetermined period, upper wall reinforcement process for reinforcing the retaining wall and reinforcement of the upper layer to the cured wall concrete, and dismantling the wall formwork The wall formwork dismantling process and the dismantled wall formwork are vertically Vertical rise and installation process of wall formwork on the kicker block formed in the wall concrete pouring process, upper layer kicker block formwork process of assembling the kicker block formwork on the top of the installed wall formwork, and the position corresponding to the position of each floor Slab formwork installation process connecting slab formwork to install slab formwork, wall and slab concrete placing process for placing concrete in the wall formwork and slab formwork, and wall and slab concrete curing curing wall and slab concrete for a predetermined period Curing process, the upper wall reinforcement process, wall formwork dismantling process, wall formwork vertical impression and installation process, kicker block formwork installation process, slab formwork installation process, wall and slab concrete casting process, wall and slab concrete curing process Kicker It provides a steel die method using a vertical impression Luck.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

Figure 1 is a process diagram showing a vertical formwork of steel formwork using a kicker block according to the present invention, an embodiment of the vertical formwork of steel formwork using a kicker block according to the present invention, a kicker block on the concrete floor to be formed walls After installing the formwork, the kicker block installation process (P1) for installing the kicker block (2) by placing concrete on the kicker block formwork, and the retaining wall reinforcement (4) is established at the part where the wall is to be formed. Reinforcement step (P2) for reinforcing and wall formwork (P3) for fixing the wall formwork (6) made of steel on both sides of the reinforcement of the retaining wall reinforcement (4) to the kicker block (2), A kicker block formwork installation process (P4) for installing the kicker block formwork (8) on the upper end of the wall formwork (6), and the wall concrete pouring work for placing concrete in the installed wall formwork (6) and the kicker block formwork (8). P5, a wall curing process (P6) for curing wall concrete for a predetermined period, and an upper wall reinforcement process (P7) for reinforcing the next retaining wall reinforcement (4a) and reinforcement to the cured wall concrete. And, wall wall formwork dismantling process (P8) for demolishing the wall formwork 6 in the assembled state by demolding from the wall concrete, and vertically lifting the dismantled wall formwork (6) by crane or the like, the wall concrete pouring process (P5) Wall formwork vertical rise and installation process (P9) to be assembled to the kicker block (2a) formed in the) and the slab formwork installation process for installing the slab formwork (10) by connecting to the wall of the position corresponding to the position of each floor (P10) ), Wall and slab concrete placing process (P11) for placing concrete in the wall formwork (6) and slab formwork (10), and wall and slab curing process (P1) for curing the concrete of walls and slabs for a predetermined period of time. 2) consists of.

The kicker block 2 is installed for wall formwork as shown in FIGS. 2A and 2B, and is installed at both ends of the wall formwork at a height of about 150 mm to 400 mm at the bottom of the slab.

When installing the kicker block 2, it is necessary to check the exact position of the kicker block formwork by using a laser measuring device and construct it precisely.

The kicker block 2 is installed using a kicker block formwork, and the kicker block formwork can be disassembled and used at the start of the structure work on the ground floor of the first floor, and continues to be installed on the top of the wall formwork 6. Can be used repeatedly.

The kicker block 2 may be installed at the same time when the first-floor concrete is poured, or may be installed after the bottom concrete is poured.

The kicker block 2 should be installed accurately and firmly on the vertical reinforcing bar and concrete of the lower layer. The kicker block 2 has a plurality of through holes 12 drilled in the horizontal direction.

When the kicker block installation process (P1) for installing the kicker block (2) on the concrete floor surface is completed, the laser light wave measuring device is once again inspected to confirm the accuracy of the position, horizontality and dimensions of the kicker block (2). Thereafter, as shown in FIG. 3, the wall reinforcement step P2 is performed to reinforce the retaining wall 4 and the reinforcement to the portion where the wall is to be formed.

The retaining wall reinforcement 4 is tied to the lower retaining wall reinforcement extending from the lower layer slab when the lower retaining wall reinforcement is reinforcement, and reinforces and extends higher than the height at which the slab of the upper layer is installed when the retaining wall reinforcement 4 is reinforcement. Allow the retaining wall to be tied.

When the wall reinforcement step P2 of the retaining wall reinforcing bar 4 and the reinforcing bar is completed, the wall formwork 6 made of steel is lifted by a crane as shown in FIG. 4, and the wall formwork 6 of the retaining wall reinforcing bar 4 is lifted. ), The through hole 12 formed in the kicker block 2 and the hole 14 formed in the wall formwork 6 coincide with each other, and then the high strength bolt 16 is placed in the hole 12 and 14. A wall formwork installation step (P3) to insert and fix the wall formwork (6) by screwing the nut (18) on both sides of the high-strength bolt (16), and the kicker block formwork at the upper end of the wall formwork (6). A kicker block formwork (P4) for mounting (8) is performed.

The high-strength bolt 16 is different in diameter at both ends so that it can be easily taken out without using a pipe sleeve, and facilitates the installation of the wall formwork 6 easily and quickly, and maintains the thickness of the retaining wall accurately. Whenever (6) moves to the upper part consecutively, it is used repeatedly.

The wall formwork 6 is manufactured by connecting a plurality of metal foams 22 with connecting bolts or connecting pins to the steel reinforcing frame 20 vertically arranged at regular intervals, as shown in FIG. It is designed to have sufficient rigidity to resist pressure and deformation, and is manufactured with durability and high precision that can be used more than 100 times.

In addition, the work table 23 is installed in the upper part of the wall formwork 6 for the work of the upper layer.

As shown in FIG. 6, the wall formwork 6 may be assembled into a quadrangular shape according to the structure in which the bolts are fastened to each unit, and the wall is installed. The dogs may be assembled in a shape consisting of right angles.

One end of the wall formwork 6 is provided with a double hinge 24 located in the vertical direction as shown in FIGS. 7A and 7B, and the double hinges are formed at both ends of the wall formwork 6. The ratchet (turnbuckle) 26, which can be folded or unfolded 24, is connected to enable easy and rapid demoulding of the wall formwork 6 by manpower.

The double hinge 24 is a part of the operation part for demoulding, vertically raising, and assembling the wall formwork 6, so that the vertical hinge of the piano is doubled and manufactured precisely and firmly.

The ratchet 26 has a circular cross section and has a threaded portion formed on an inner circumferential surface thereof and a connecting portion 30 coupled with a lever 28 which can be rotated manually, and one side of the ratchet 26 is movable and stretchable inside the connecting portion 30. Screwed, the other side is hinged to the wall formwork 6, respectively, and consists of a pair of bolts 32 formed with the right and left screws.

When installing the wall formwork 6, as shown in Figure 7a to rotate the lever 28 so that the bolt 32 is extended to the outside of the connection portion 30 so that both wall formwork 6 is placed in contact with the right angle.

When the wall formwork 6 and the kicker block formwork 8 are installed, the wall concrete pouring process P5 is performed. At this time, the kicker block formwork 8 is concreted to install the kicker block 2a on the upper layer at the same time. The lower layer wall 34 is completed by passing through the wall curing step P6 for a predetermined period.

The lower end of the kicker block 2a is formed to be thinner than the lower layer wall 34 so that the locking step 36 to which the slab concrete can be connected is formed.

When the lower layer wall 34 is cured, as shown in FIG. 8, the upper wall reinforcement step P7 is performed to reinforce the retaining wall reinforcing bar 4a of the upper layer in the work bench 23 installed at the upper end of the wall formwork 6. At this time, the upper retaining wall reinforcing bar (4a) is tied to the retaining wall reinforcing bar (4) installed from the lower layer is placed.

When the retaining wall reinforcing bar 4a is placed on the upper layer, the wall formwork dismantling process P8 for dismantling the wall formwork 6 from the wall 34 of the lower layer is performed. First, the wall formwork 6 is fixed as shown in FIG. Loosen the nuts 18 on both sides of the high-strength bolt 16, and rotate the lever 28 in the opposite direction when the wall formwork 6 is installed as shown in FIG. 7B. Hinge-coupled bolts 32 are shortened by moving to the center portion of the connecting portion 30, and thus the double hinge 24 is folded, thereby removing the wall formwork 6 from the wall 34 and dismantling the wall formwork (P8). Is complete.

By rotating the levers 28 of the ratchet 26 provided at both ends of the wall formwork 6 in this manner, the wall formwork 6 can be demolished easily and quickly from the wall 34.

Therefore, the wall formwork 6 of the present embodiment can be demoulded in an assembled state as compared to the method of installing and dismantling formwork for each floor as in the prior art, thereby reducing manpower and reducing construction period.

When the wall formwork 6 of the lower layer is demoulded, the wall formwork 6 is vertically raised to the place where the upper wall reinforcing bar 4a is disposed by using a crane as shown in FIG. 9, and then the wall concrete placing process P5 is performed. The wall formwork 6 is fixed to the kicker block 2a installed at the same method as the wall formwork installation process (P3).

When the wall formwork vertical impression and installation process (P9) is completed, the upper kicker block formwork installation process (P10) is performed on the upper end of the wall formwork (6), as shown in Figure 10 the lower projection wall (36) 34, the bracket 38 and the bracket feet 40 are supported to be dismantled using bolts and the like, and the reinforcement truss deck 46 consisting of the deck girder 42 and the deck panel 44 is installed. After supporting the angular material 38, a reinforcing bar is installed in the deck girder 42 to perform a slab formwork installation step (P11).

After the slab formwork installation process (P11), the arrangement of electrical piping boxes and electrical piping, and when the pipe inspection and reinforcement inspection is completed, the concrete is poured into the wall formwork (6) and the reinforced truss deck (46) The wall and slab concrete pouring process (P12) which forms a wall and the slab is performed.

That is, by pouring concrete simultaneously on the wall and the slab of the upper layer, the wall formwork 6 can be vertically lifted.

After performing the wall and slab concrete pouring process (P12), the wall and slab concrete curing process (P13) is performed for a predetermined time, and then the wall and slab concrete curing process (P13) is repeated from the upper wall reinforcement process (S7). Frame construction for all floors.

In the above description, the wall-type apartments have been mainly described, but can be applied to other general buildings.

In addition, while the exemplary embodiments of the present invention have been described by way of example, the present invention is not limited thereto, and various modifications can be made within the scope of the claims and the detailed description of the invention and the accompanying drawings.

Vertical formwork of steel formwork using the kicker block according to the present invention made as described above, by vertically moving the formwork formed in one-piece after the wall concrete is assembled in the assembled state to the top and fixedly installed on the kicker block can significantly shorten the process. have.

In addition, by dismantling formwork made of metal materials without using plywood and wood, which are mainly dependent on imports, it is possible not only to import substitution effect, but also to improve construction precision and suppress construction waste.

In addition, the wall formwork and reinforcement truss decks manufactured at the factory are assembled and used on-site, and since there is little use of copper barns, the work force can be reduced by minimizing on-site work, and the space required for formwork and rebar work and materials for copper bar or formwork. Reduce the space for storing

Claims (5)

The kicker block installation process for installing a kicker block on a concrete floor where a wall is to be formed, a wall reinforcement process for reinforcing a retaining wall reinforcement and a reinforcing bar at a portion where the wall is to be formed, and a wall formwork assembled on both sides of the wall reinforcement. A wall formwork installation process fixed to the wall form, a kicker block formwork installation process installed at an upper end of the wall formwork, a wall concrete pouring process of placing concrete in the installed wall formwork and the kicker block formwork, and curing wall concrete for a predetermined period of time. Wall concrete curing process, upper wall reinforcement process for reinforcing retaining wall reinforcement and reinforcing bar on the cured wall concrete, wall formwork dismantling process for dismantling the wall formwork, vertical wall formwork A wall which is pulled up and assembled to a kicker block formed in the wall concrete pouring process Vertical rise and installation process of the formwork, installation process of the upper layer kicker block formwork to assemble the kicker block formwork on the top of the installed wall formwork, and installation process of the slab formwork to install the slab formwork by connecting to the wall at the position corresponding to the position of each floor. And a wall and slab concrete placing process for placing concrete in the wall formwork and slab formwork, and a wall and slab concrete curing process for curing the wall and slab concrete for a predetermined period of time, and the upper wall reinforcing bar reinforcement process and wall formwork. Vertical formwork of steel formwork using kicker block which can be repeatedly performed for dismantling process, wall formwork and installation process, kicker block formwork process, slab formwork installation process, wall and slab concrete placing process, and wall and slab concrete curing process Method. The kicker according to claim 1, wherein the wall formwork is provided with a double hinge installed at one end portion in a vertical direction, the double hinge is spread when the wall formwork is installed, and the wall formwork can be folded so that the length of the wall formwork can be changed. Vertical formwork of steel formwork using blocks. The method of claim 1, wherein the wall formwork installation process is to insert a high-strength bolt into the hole formed in the wall formwork and the through-hole formed in the kicker block, tighten the nuts on both sides of the high-strength bolt, and is coupled to both ends of the wall formwork Vertical formwork of steel formwork using kicker block made by adjusting ratchet. The wall formwork disassembling process of claim 1, wherein the wall formwork is assembled by rotating a ratchet (turnbuckle) coupled to both ends of the wall formwork so as to fold a double hinge installed at one end of the wall formwork in a vertical direction. Vertical formwork of steel formwork using kicker block made to demould in state. The method of claim 1, wherein the slab and the wall is connected to the hooking jaw formed on the lower end of the kicker block, the lower jaw outside the hooking jaw to install a bracket to support the material, the reinforcement truss deck consisting of deck girder and deck panel The steel formwork vertical lifting method using a kicker block formed by placing concrete on the reinforcing truss deck and connecting the wall and the slab after supporting the locking jaw and the angle material.