KR20050096353A - Foldable gang form system where the waterproof function improves and concrete structure construction method using the same - Google Patents

Abstract

When constructing a reinforced concrete building using a large formwork, a technique for forming a large formwork structure and a concrete structure construction method using the same is disclosed.

The present invention, when building a reinforced concrete building using a large formwork, installed by buried in the slab and the wall to be buried buoyancy-preventing anchor which is a vertical support means of a large formwork, or to prevent the removal flotation does not damage the slab By installing the fasteners, through-holes formed in the slab structure are not formed in the existing large formwork to install the vertical support means of the large formwork, thereby preventing the leakage of the building and improving the waterproofing effect. The present invention aims to provide a large formwork structure and a concrete structure construction method using the same to improve the concrete sphere waterproof, for this purpose, the present invention comprises a plurality of large formwork installed facing the wall when constructing a reinforced concrete building; A plurality of form ties for coupling the plurality of large formwork to be opposed to each other; It provides a concrete form waterproofing structure and a concrete structure construction method using the same; including a buried buoyancy-prevented fixing or removable buoyancy-resistant fixing coupled to a large formwork so that the large formwork does not fall.

Description

Foldable gang form system where the waterproof function improves and concrete structure construction method using the same}

The present invention, when constructing using a large formwork as an internal formwork when constructing a reinforced concrete building, formed by buried in the slab and the wall to be buried buried anti-locking fixture to vertically support the large formwork, or do not penetrate the slab It provides a concrete formwork structure and a concrete structure construction method using the same concrete concrete waterproof structure to provide a better construction quality by preventing the leakage to the slab without damaging the structure by installing a flotation prevention fixture.

Conventionally, when constructing reinforced concrete-structured buildings designed such that the structure and shape of the building are repeated on each floor, such as apartments and officetels, by using large formwork, the workability is increased without repeating assembling and dismantling work on each floor. And shorten the cost. However, such a large formwork method can be applied only when there is no obstacle to lifting the large formwork in the vertical direction, such as the outer wall of an apartment house or the inner wall of an elevator pit, and in the case of the inner wall in the vertical direction because of the pre-poured slab. It was difficult to lift. This is because, as shown in Fig. 1 (a), the concrete or the slab of the upper layer and the pillar or bearing wall of the floor is placed at the same time, that is, the concrete has been laid in the shape of the upside down (or reverse thin, ∩). In this case, although the trapping formwork or tunnel formwork may be employed, there is a problem that it is not easy to apply because a separate large equipment is required to lift the formwork.

In order to solve this problem, the present inventors place the floor slab concrete and the wall concrete of the floor as shown in FIG. 1 (b), so that there is no obstacle in lifting the inner large formwork vertically. It is possible to devise a so-called thin-type concrete casting method that places the slab of the floor and the wall of the floor at the same time when constructing the building, and patent application 10-1997-0047932, 10-2003-0021544 and patent registration No. 0363008 has been filed and registered.

Patent application 10-1997-0047932 as shown in Fig. 2a elected by the present inventors is a straight thin concrete casting method in which the floor slab and wall concrete of the floor are cast together, and it is easy to continuously reinforce the reinforcing bars. It can easily and efficiently handle the remaining concrete after placing slab concrete, prevent accidents when installing the formwork at a high position, and formwork for interior walls that can apply large formwork to the inner wall of wall-type apartments. And a construction method using the formwork.

However, in the above method, the slab formwork for slab concrete is usually placed using plywood formwork or eurofoam, and the copper bar or vertical beam supporting the formwork is installed together, and after the formwork is installed, when the reinforcing bar is placed on the slab. It was not easy to work because the reinforcing rod was caught in the formwork for the inner wall which was already installed. In addition, in order to solve the problems described above and facilitate the work, the reinforcing bar can be used for each partition wall, but in this case, many reinforcing bars are required to secure the joint length of the reinforcing bar, and the amount of work is increased, which delays reinforcing work. There are disadvantages.

In addition, the patent registration No. 0363008 shown in FIG. 2 (b), which the inventors pre-registered, also referred to as a thin thin concrete casting method in which the slab of the layer and the wall of the layer are simultaneously cast as mentioned above. Unlike the patent application 10-1997-0047932, by using a synthetic deck instead of the slab formwork, to improve the workability by reducing the air due to the installation and disassembly of the formwork and facilitating work, The present invention has a problem in that the construction cost is increased by using a synthetic deck instead of slab formwork, the economical efficiency is lowered. In addition, the invention is to be performed in a narrow work space formed on the top of the wall formwork as shown in the drawings, it is difficult to ensure the safety of the worker, the work space and safety railings are formed on the top of the wall formwork It is formed integrally with the wall formwork, there is a problem that the movement of the wall formwork for building the wall is not easy.

Also, as described above, the patent application 10-2003-0021544 shown in FIG. 2 (c), which the inventors have applied for, is used as a slab and a thin thin film that is applied to the inner wall as well as the outer wall during the construction of the building. By separating and placing the walls, the construction of the building is more easily and efficiently solved, and the above-mentioned inventors solve the problems of the pre- filed inventions and construct the structure by using a single type of formwork regardless of the construction location and the construction order. Constructability is high. In addition, the patent application 10-2003-0021544 uses a folding large formwork freely moving part of the formwork in one direction, there is no restriction on the construction location, and the workability is easy to clean the formwork and apply the release agent when constructing the structure.

However, the above patent application 10-2003-0021544 is a vertical support means for vertically supporting such a large formwork is fixed to the wall of the lower layer through the slab of the layer, so that the problem of water leakage on the slab and perfect waterproof There is a problem that can not build a high-quality building.

The present invention devised to solve the above problems when using a large formwork to construct a reinforced concrete building, to remove the buried buried anti-locking fixture to vertically support the large formwork to be buried in the slab and walls or do not penetrate the slab By installing the type of anti-flotation fixing fixture, it can completely block the leakage of the slab while maintaining the advantages of the large formwork, thereby improving the waterproofing effect and improving the concrete quality. The purpose is to provide.

The present invention to achieve the above object is a plurality of large formwork which is installed to face the wall when constructing a reinforced concrete building; A plurality of form ties for coupling the plurality of large formwork to be opposed to each other; And a bottom is buried in the slab, the top is coupled to the large formwork so that the large formwork does not fall to the top of the slab, buried buoyancy-preventive fixing buried in the slab and the wall to be built; concrete concrete waterproof This improved large formwork and concrete construction method using the same is provided. In addition, the present invention is a formwork is formed when the fixing hole penetrating the upper and lower horizontal horizontal lines of the lower horizontal joists when constructing a reinforced concrete building, a plurality of large formwork installed to face the wall; A plurality of form ties for coupling the plurality of large formwork to be opposed to each other; And the top is exposed to the top of the slab so that the large formwork does not fall, it is fastened by fitting to the fixing hole of the large formwork, the bottom is fixed to be installed so as not to penetrate the slab, when removing the large formwork with the large formwork removed It provides a large formwork structure and a concrete structure construction method using the same concrete concrete waterproofing including;

The large formwork structure and the concrete structure construction method using the same as the concrete sphere waterproofing of the present invention as described above, when constructing a reinforced concrete building using a large formwork, the buried to vertically support the large formwork while maintaining the advantages of the large formwork intact It is possible to completely prevent leakage of the slab by installing it by buried the buoyancy prevention fixing buckle in the built slab and the wall or by installing a removable anti-floating fixing buckle that does not penetrate the slab, thereby improving the waterproofing effect. The technical problem of the present invention described above can be achieved.

Hereinafter, the present invention will be described in more detail with reference to the accompanying drawings. However, this is intended to enable those skilled in the art to more clearly understand and easily practice the present invention, and are not intended to limit the protection scope of the present invention thereto. Still other technical features and advantages will be more clearly understood by those skilled in the art through the following description of the preferred embodiment according to the present invention.

3a to 3c is a cross-sectional view showing an example of the construction of a large formwork structure 10 and a concrete structure construction method using the improved concrete concrete waterproofing according to the present invention, Figure 3d is a 'A' portion of Figure 3a 4A to 4C are partially enlarged cross-sectional views, and FIGS. 4A to 4C are cross-sectional views illustrating another construction example of a concrete formwork structure 10a having improved concrete concrete waterproofing property and a concrete structure construction method using the same, and FIG. 5 is a partial enlarged cross-sectional view showing a portion, Figures 5a to 5c is a cross-sectional view showing another construction example of a concrete formwork structure (10b) and concrete construction method using the improved concrete sphere waterproof according to the present invention, FIG. 5D is a partially enlarged cross-sectional view illustrating a portion 'C' of FIG. 5C.

Referring to the embodiment of the large formwork structure (10, 10a) improved concrete concrete waterproofing of the present invention.

In the large formwork structure (10, 10a) of the improved concrete sphere waterproofing of the present invention, the large formwork 100 is installed to face a plurality to form the wall (1), as shown in Figures 3a to 4d The large formwork 100 used in the inventors previously filed 10-2004-0014227 may be used, or other large formwork generally used in the past may be used. The selection of the type of large formwork may be selected depending on the construction situation, and may be constructed. In this embodiment, the present inventors have previously filed 10-2004-0014227 ('Hanging formwork for unloading back pouring and concrete structure construction method using the same). It will be described on the basis that the large formwork 100 having the same formwork as the large formwork of ') is used.

The large formwork 100 used in the present embodiment is a formwork consisting of a formwork, a vertical yoke and a horizontal joist formed on one side of the formwork lattice, and a plurality of interconnecting the formwork with the formwork. Prefabricated fastening device 101 is included. At this time, the prefabricated fastening device 101 is controlled to be coupled and released from the outer side of the formwork, and when the mold is demolded, the construction and transportation of the large formwork 100 is not formed because the protrusions are not formed on the other side of the concrete structure and the formwork. It becomes easier.

In addition, in the large formwork structures 10 and 10a of the concrete concrete waterproofing of the present invention, the plurality of form ties 110 interconnect the large formwork 100 to be installed oppositely. As shown in FIGS. 3A to 4D, the form tie 110 is coupled to the prefabricated fastening device 101 of the large formwork 100 to mutually couple the large formwork 100 to be opposed to the large formwork 100. It enables the installation, and prevents the large formwork 100 is pushed to one side due to the side pressure when placing concrete.

In the large formwork structure (10, 10a) of the improved concrete concrete waterproofing of the present invention, the buried buoyancy preventing fixture (120, 120a) is installed at the bottom is embedded in the slab (2), the top is protruded to the top of the slab (2) The large formwork 100 is coupled with the large formwork so that the large formwork does not fall to enable vertical support of the large formwork.

In addition, the buried buoyancy preventing fixture (120, 120a) is formed by being buried in the slab (2) and the wall (1) to be built. Therefore, the large formwork structure (10, 10a) of the concrete sphere waterproofing of the present invention, the buried anti-flotation fixing fixture (120, 120a) is installed in the existing large formwork construction through the through hole in the slab for vertical support of the formwork Unlike installing the vertical support means on the outside of the pre-installed lower wall blocks the slab (2) without any damage to the slab structure itself, and improves the waterproof effect of the concrete sphere.

In addition, the buried buoyancy preventing fixture (120, 120a) is divided into its type according to the casting method of the slab (2) and the wall (1). When the slab (2) and the wall (1) is separately placed as shown in Figure 3a to 3d, the lower end is buried so as not to penetrate the slab (2), the upper end and the lower end of the large formwork 100 The buried buoyancy-preventing clamp 120 of the form in which the U-shaped angle is combined with the combined form tie 110 is used. At this time, although not shown in the figure, the buried buoyancy preventing anchor 120 may be used only in the slab (2) of the reference layer when placing the slab and the wall at the same time.

In addition, when simultaneously placing the slab (2) and the wall (1) as shown in Figure 4a to 4d and the bottom is fastened with the form tie 110 coupled with the upper end of the large formwork 100 of the lower layer, Vertically fastened with the form tie 110 coupled with the lower end of the large formwork 100 of the upper floor, buried in the slab 2 and the wall (1) to be built form to connect the upper and lower walls (1). Buried buoyancy preventing fixture (120a) is to be used.

When the concrete structure construction method using the large formwork structure (10) with improved concrete concrete waterproofing property of the present invention when constructing reinforced concrete buildings by separating slab and wall, the large formwork structure with improved concrete concrete waterproofing property of the present invention ( The construction method of concrete structure using 10) is as follows.

Concrete structure construction method using a large formwork structure (10) improved concrete concrete waterproofing of the present invention, when the reinforced concrete building construction, (a) forming a reference layer slab (2); (b) installing the buried buoyancy preventing anchor 120 in the slab (2); (c) installing the large formwork (100) on one side of the position of the wall (1) to be constructed by reinforcing the wall reinforcement on the slab (2); (d) install the plurality of form ties 110 coupled to the large formwork 100, the form ties 110 coupled to the lower end of the large formwork 100 is the buried buoyancy preventing fixture 120 It is also fastened with the top; (e) placing the large formwork (100) on the other side of the wall (1) to be constructed, and coupling it with the form tie (110); (f) placing and curing concrete to form a wall (1) and demolding the large formwork (100); (g) installing the slab formwork 200 on top of the formed wall 1 and reinforcing the slab reinforcement, then placing and curing concrete to form the slab 2 and demolding the slab formwork 200; And (h) repeating steps (b) to (g) to build a structure.

Hereinafter, a construction example of a method for constructing a concrete structure using the large formwork structure 10 having improved concrete sphere waterproofing property based on FIGS. 3A to 3D will be described. At this time, the construction example is described on the basis of the separate casting of the slab (2) and the wall (1), the large formwork is 10-2004-0014227 ('unused suspended casting formwork for unintentional back-pouring and the same) Concrete structure construction method ') will be described on the basis of using a large formwork 100 having the same formwork as the large formwork.

As shown in FIG. 3A, after the reference layer slab 2 is formed and the reference line is drawn, the buried buoyancy preventing anchor 120 is installed at the upper wall forming position of the slab 2 before curing of the slab 2 is completed. do. At this time, the buried buoyancy preventing anchor 120 is buried so that the lower end does not penetrate the slab (2), the upper end is installed to protrude above the slab (2). In addition, the buried buoyancy preventing anchor 120 is formed at the top of the c-angle that is fastened to the form tie 110 and then coupled to the lower end of the large formwork 100.

Since the wall reinforcement at the position where the wall (1) is formed, the large formwork 100 is installed on one side of the wall (1) to be constructed. At this time, the large formwork 100 comprises a formwork frame composed of formwork, vertical yoke and horizontal joist, and a plurality of prefabricated fastening device 101 for coupling the formwork and the formwork as described above. .

Since it is located in the wall reinforcement is installed a plurality of form tie 110 coupled to the prefabricated fastening device 101 of the large formwork (100). At this time, as shown in Figure 3d the bottom of the formwork 110 of the large formwork 100 is also coupled to the upper end of the pre-installed buoyancy lock 120.

After placing the large formwork 100 on the other side of the wall (1), a plurality of large formwork installed oppositely by combining the prefabricated fastening device 101 and the form tie 110 of the large formwork 100 of the other side ( Interconnect 100).

As shown in FIG. 3B, concrete is poured into the large formwork 100 to form a wall 1 to demold the large formwork 100. At this time, the buried buoyancy-preventing fixture 120 that vertically supports the large formwork 100 is buried in the built slab (2) and the wall (1) to install the vertical support means of the formwork when the existing large formwork is installed. Unlike forming a through hole in the slab, which causes water leakage in the slab, it enables vertical support of the large formwork 100 without any damage to the slab 2, and completely prevents leakage of the slab 2, thereby preventing the waterproofing effect. To improve.

In addition, the large formwork 100 is a prefabricated fastening device 101 is coupled and released from the outer side of the formwork is adjusted, and when the formwork is demoulded, the concrete structure and the formwork outside of the formwork is not formed as a large formwork ( 100) It is easy to install and demould and also easy to transport. In particular, the large formwork 100 in the corner portion of the formwork as the grounding area between the formwork only the thickness of the plate constituting the formwork, because the grounding area between the formwork is less easy to form the formwork, the damage of the formwork does not occur Do not.

The slab formwork 200 is installed on the upper part of the wall 1 formed as shown in FIG. 3c and the slab reinforcing bar is placed, and the concrete is poured and cured to form the slab 2.

Thereafter, while repeating the above-described process, building the slab (2) and the wall (1) in a separate casting method to build a building.

When the concrete concrete construction method using the large formwork structure (10a) improved concrete concrete waterproofing of the present invention when constructing reinforced concrete buildings by the slab (2) and the wall (1) simultaneous casting method, the concrete concrete waterproofing of the present invention Concrete structure construction method using this improved large formwork (10a) is as follows.

Concrete structure construction method using a large formwork structure (10a) improved concrete concrete waterproofing of the present invention, when constructing a reinforced concrete building, (a) forming a reference layer slab (2); (b) installing the buried buoyancy preventing anchor 120a in the slab; (c) installing the large formwork (100) on one side of the position of the wall (1) to be constructed by reinforcing the wall reinforcement on the slab (2); (d) install the plurality of form ties 110 coupled to the large formwork 100, the form ties 110 coupled to the lower end of the large formwork 100 is a buried buoyancy-preventing fixture 120a pre-installed It is also fastened to the top, and the form tie 110 coupled to the upper end of the large formwork 100 is also fastened with a lower end of a separate buried buoyancy fixing fixture (120a); (e) placing the large formwork (100) on the other side of the wall (1) to be constructed, combined with the form tie (110), and then placing and curing concrete to form the wall (1) and then the large formwork (100) Demolding); (f) installing a slab formwork (200) on top of the formed wall (1) and reinforcing the slab reinforcement; (g) Installing a metal lath 300 on the joint portion of the wall (1) to be constructed with the slab (2), one side surface of the wall (1) to be constructed after extending to the reinforcement of the constructed wall (1) Installing the large formwork 100 in the; (h) to install the plurality of form tie 110 coupled to the large formwork 100, the form tie 110 coupled to the lower end of the large formwork 100 is a buried buoyancy-preventing fixture 120a pre-installed It is also fastened to the top of, and the form tie 110 coupled to the upper end of the large formwork 100 is also fastened with the bottom of a separate buried buoyancy fixing fixture (120a); (i) placing the large formwork (100) on the other side of the wall (1) to be constructed, and engaging with the form tie (110); (j) pouring and curing concrete to form the slab 2 and the wall 1 of the construction layer, and demolding the slab formwork 200 and the large formwork 100; And (k) repeating steps (f) to (j) to build the structure into a thin thin film.

Hereinafter, another construction example of the concrete structure construction method using the large formwork structure 10a improved concrete concrete waterproofing property as follows. At this time, the construction example will be described on the basis of the simultaneous placement of the slab (2) and the wall (1), the large formwork is 10-2004-0014227 ('unused suspended casting formwork for unintentional reinforcement and using the same) Concrete structure construction method ') will be described on the basis of using a large formwork 100 having the same formwork as the large formwork.

As shown in FIG. 4A, after the reference layer slab 2 is formed and the reference line is drawn, before the slab 2 curing is completed, the buried buoyancy preventing anchor 120a is formed at the position where the upper wall 1 of the slab 2 is completed. Install). At this time, the levitation prevention fixing stopper (120a) is composed of a plurality of layers in a lift type as will be described later when the bottom is fastened with the form tie 110 coupled with the upper end of the large formwork 100 of the lower layer, the upper layer is the upper layer The construction is fastened with the form tie 110 coupled with the lower end of the large formwork of 100, but in the slab (2) of the reference layer is installed to be buried so as not to penetrate the slab (2) and the top to the top of the slab (2) It protrudes and is constructed. In addition, the reference layer slab (2) as described above may be used buried buoyancy fixing anchor 120 that was used in the separate casting of the slab (2) and the wall (1), removable buoyancy fixing anchor 121 to be described later ) May be used. Therefore, the selection of the buried buoyancy preventing anchor (120, 120a) and removable buoyancy preventing anchor 121 in the reference layer slab (2) may be alternatively implemented according to the construction site situation.

Since the wall reinforcement at the position where the wall (1) is formed, the large formwork 100 is installed on one side of the wall (1) to be constructed. At this time, the large formwork 100 comprises a formwork frame composed of formwork, vertical yoke and horizontal joist, and a plurality of prefabricated fastening device 101 for coupling the formwork and the formwork as described above. .

Since it is located in the wall reinforcement is installed a plurality of form tie 110 coupled to the prefabricated fastening device 101 of the large formwork (100). At this time, the lower end of the formwork 110 of the large formwork 100 is fastened with the upper end of the buried buried buoyancy fixing anchor 120a, as shown in Figure 4d the upper end of the formwork 110 of the large formwork 100 Is fastened with the bottom of a separate buried buoyancy fixing fixture (120a).

After placing the large formwork 100 on the other side of the wall (1), a plurality of large formwork installed oppositely by combining the prefabricated fastening device 101 and the form tie 110 of the large formwork 100 of the other side ( Interconnect 100).

As shown in FIG. 4b, after the concrete is poured into the large formwork 100 and cured to form a wall 1, the large formwork 100 is demolded. At this time, the buried buoyancy-preventing fixture 120a supporting the large formwork 100 is buried in the built slab 2 and the wall 1 so as to install the vertical support means of the formwork when the existing large formwork is installed. Unlike through-holes in the slab, which causes leakage problems in the slab, it is possible to vertically support the large formwork 100 without any damage to the slab 2, and the leak of the slab 2 is blocked, thereby allowing concrete The waterproof effect of the is improved.

In addition, the large formwork 100 is a prefabricated fastening device 101 is coupled and released from the outer side of the formwork is adjusted, and when the formwork is demoulded, the concrete structure and the formwork outside of the formwork is not formed as a large formwork ( 100) It is easy to install and demould and also easy to transport. In particular, the large formwork 100 in the corner portion of the formwork as the grounding area between the formwork only the thickness of the plate constituting the formwork, because the grounding area between the formwork is less easy to form the formwork, the damage of the formwork does not occur Do not.

After installing the slab formwork 200 in the upper portion of the wall (1) formed as shown in Figure 4c and reinforce the slab reinforcement to extend the reinforcement to the formed wall reinforcement and the large formwork on one side of the wall (1) construction location ( Install 100). In this case, as shown in FIG. 4d, a metal lath 300 is installed at the joint portions of the slab 2 and the wall 1 to prevent the concrete from rising up under the large formwork 100. The metal lath 300 is installed at the joint portion of the slab 2 and the wall 1 before the extension of the wall 1.

Located in the wall reinforcement as described above, install a plurality of form tie 110 is coupled to the prefabricated fastening device 101 of the large formwork (100). At this time, the form tie 110 coupled to the lower end of the large formwork 100, as shown in Figure 4c is coupled to the upper end of the buried buried buoyancy stopper (120a) pre-installed, a separate to the upper end of the large formwork 100 By installing a buried buoyancy preventing anchor 120a is fastened with the form tie 110 coupled to the upper end of the large formwork (100).

After placing the large formwork 100 on the other side of the wall (1), a plurality of large formwork installed oppositely by combining the prefabricated fastening device 101 and the form tie 110 of the large formwork 100 of the other side ( Interconnect 100).

Thereafter, the concrete is poured and cured to form the slab 2 and the wall 1, and the slab formwork 200 and the large formwork 100 are demolded.

At this time, the buried buoyancy-preventing fixture 120a installed as described above is buried in the slab 2 and the wall 1 to be built, thereby enabling vertical support of the large formwork 100, as well as the slab 2 It completely blocks water leakage and improves waterproof effect.

In addition, the buried buoyancy preventing anchor (120a) by interconnecting the upper and lower walls (1) to prevent the phenomenon that the large formwork 100 is pushed to one side when the slab (2) and the wall (1) at the same time and more excellent Enable the construction of quality buildings.

Thereafter, while repeating the above-described process, the slab 2 and the wall 1 are constructed in a simultaneous pouring manner, and the reinforced concrete building is constructed in a right thin shape.

Referring to another embodiment of the large formwork structure (10b) improved concrete concrete waterproofing of the present invention. In this case, since the form tie 110 is the same as in the above-described embodiment, a description thereof will be omitted.

The large formwork 100a in the large formwork structure 10b of the concrete sphere waterproofing of the present invention is formed in a plurality of opposed to form the wall (1), as in the above-described embodiment in Figures 5a to 5d Large formwork used in the present inventors 10-2004-0014227 filed by the present inventors as shown may be used, and other large formwork generally used in the past may also be used. The selection of the type of such large formwork may be selected depending on the construction situation, and may be constructed. In this embodiment, the present inventors have previously filed 10-2004-0014227 ('Suspension formwork for unloading backpouring and construction of concrete structures using the same). Method ') will be described on the basis that the large formwork 100 having the same formwork as the large formwork is used.

Large formwork (100a) used in this embodiment is a formwork consisting of a formwork, a vertical yoke and a horizontal joist formed in a grid on one surface of the formwork, and a plurality of interconnecting the formwork and the formwork Prefabricated fastening device 101 is included. At this time, the large formwork 100a is formed with a fixing hole penetrating the upper and lower surfaces of the lower horizontal joist 100a 'to be inserted into the removable buoyancy prevention fixing rod 121 to be described later. In addition, at this time, the prefabricated fastening device 101 is controlled to be coupled and released from the outer side of the formwork, and when the mold is demolded, the protrusions are not formed on the other side of the concrete structure and the formwork, and thus the construction and transportation of the large formwork 100 is carried out. This becomes easier.

In the large formwork structure (10b) of the concrete concrete waterproofing of the present invention, the removable buoyancy prevention fixing rod 121 protrudes into the upper slab (2) is inserted into the fixing hole of the large formwork (100a), the bottom is The landfill is installed so as not to penetrate the slab 2 to vertically support the large formwork 100a. Therefore, the large formwork structure 10b improved concrete concrete waterproofing property of the present invention in which the removable buoyancy fixing fixture 121 as described above does not damage the slab 2, and prevents leakage of the slab 2 and waterproofs. It will improve the effect. At this time, the removable buoyancy prevention fixing rod 121 is removed together with the large formwork 100 when the large formwork 100 is demolded. In addition, the above-described removable flotation prevention fixing rod 121 can be used when placing the slab 2 and the wall 1 separately, and when placing the slab 2 and the wall 1 simultaneously, the reference layer slab ( Only available in 2).

Concrete structure construction method using a large formwork structure (10b) with improved concrete sphere waterproofing is as follows.

Concrete structure construction method using a large formwork structure (10b) improved concrete concrete waterproofing of the present invention, when constructing a reinforced concrete building, (a) forming a reference layer slab (2); (b) install the large formwork (100a) on one side of the wall (1) to be installed and reinforce the wall reinforcement on the slab (2), the prevention of the lifting buoy in the fixing hole of the large formwork (100a) Inserting the fixing bolt 121 to install the removable anti-floating fixing bracket 121 in the slab (2); (c) installing the plurality of form ties 110 coupled with the large formwork 100a; (d) placing a large formwork (100a) on the other side of the wall (1) to be constructed, and combining it with the form tie (110); (e) pouring and curing concrete to form a wall (1) and demolding the large formwork (100a), but also removing the removable buoyancy lock (121) together; (f) installing the slab formwork (200) on top of the formed wall (1) and reinforcing the slab reinforcement, then placing and curing concrete to form the slab (2) and demolding the slab formwork (200); And (g) repeating steps (b) to (f) to build a structure.

Hereinafter, another construction example of the concrete structure construction method using the large formwork 10b improved concrete concrete waterproofing of the present invention with reference to Figure 5a to 5d as follows. At this time, the construction example is described on the basis of the separate casting of the slab (2) and the wall (1), the large formwork is 10-2004-0014227 ('unused suspended casting formwork for unintentional back-pouring and the same) Concrete structure construction method ') will be described on the basis of using a large formwork (100a) having a formwork with the same formwork as the large formwork in the lower horizontal joists.

As shown in Fig. 5A, the reference layer slab 2 is formed and a reference line is drawn.

 After the reinforcement of the wall reinforcement to the wall (1) forming position of the upper part of the slab (2) and install the large formwork (100a) on one side of the wall (1) to be constructed. At this time, the removable buoyancy fixing fixture 121 is inserted into the slab 2 by inserting the removable buoyancy fixing fixture 121 into the fixing hole of the large formwork 100a. In addition, the removal buoyancy fixing fixture 121 is installed so that the lower end does not penetrate the slab (2), the upper end is protruded into the slab (1) is installed so as to fit into the fixing hole of the large formwork (100a). .

Since it is located in the wall reinforcement is installed a plurality of form tie 110 coupled to the prefabricated fastening device 101 of the large formwork (100a).

After placing the large formwork (100a) on the other side of the wall (1), a plurality of large formwork installed oppositely by combining the prefabricated fastening device 101 and the form tie 110 of the large formwork (100a) of the other side ( Interconnect 100a).

As shown in FIG. 5B, concrete is poured into the large formwork 100a to form a wall 1, and then the large formwork 100a is demolded. At this time, the removable flotation prevention fixing rod 121 which vertically supports the large formwork 100a is removed together with the large formwork that is demolded. Therefore, the present invention as described above enables the installation of the large formwork (100a) without any damage to the slab (2), to block the leakage of the slab (2) to improve the waterproof effect of the concrete sphere.

In addition, the large formwork (100a) is a prefabricated fastening device 101 is coupled and released from the outer side of the formwork is adjusted, and when the formwork is demoulded, the concrete structure and the formwork outside of the formwork is not formed as a large formwork ( Installation and demoulding of the 100a) is easy and transportation is also easy. In particular, the large formwork (100a) in the corner portion of the formwork as the grounding area between the formwork only the thickness of the plate constituting the formwork, because the grounding area between the formwork during the construction of the corner is less easy to form the mold, damage to the formwork does not occur Do not.

The slab formwork 200 is installed on the upper part of the wall 1 formed as shown in FIG. 5C, and the slab reinforcement is placed and the concrete is poured and cured to form the slab 2.

Thereafter, while repeating the above-described process, building the slab (2) and the wall (1) in a separate casting method to build a building.

When the concrete structure construction method using the large formwork structures (10, 10a, 10b) of the present invention as described above improved concrete structure waterproofing to the construction of several apartments having the same plane, the upper part is opened in one building When constructing one layer by constructing the slab 2 and the wall 1 in the form, and then constructing the next upper layer, the buried buoyancy preventing anchors 120 and 120a and the removable flotation preventing anchor 121 are installed. While the slab 2 to be cured to have a certain strength, the large dies (100, 100a) can be lifted to the tower crane as it is demolded and assembled to be installed in other adjacent copper of the same plane. Therefore, as one large formwork (100, 100a) is alternately constructed in two dongs, building construction of two dongs is performed at the same time, thereby improving labor productivity and doubling the economics due to form recycling.

In addition, the concrete structure construction method using the large formwork structure (10, 10a, 10b) of the concrete sphere waterproofing of the present invention as described above is not applied only when constructing the reinforced concrete building in a synergistic manner, as described above It is also applicable when constructing reinforced concrete buildings.

The large formwork structure and the concrete construction method using the improved concrete concrete waterproofing structure of the present invention, when constructing a reinforced concrete building using a large formwork, in the slab and the wall to build a buried buoyancy-preventing fixture to vertically support the large formwork By installing a buried anti-flotation clamp that does not damage the slab or damage the slab, it does not repeat the form assembly and dismantling work on each floor. It is possible to block the leakage of the slab to increase the waterproof effect of the concrete sphere, it is effective in providing a large formwork structure with improved concrete sphere waterproofing properties and construction method using the same.

1 is a cross-sectional view showing the concept of the existing concrete pouring method and the concrete pouring method of the present invention.

Figures 2a to 2c is a cross-sectional view showing a construction example of the present invention of the present inventors.

3a to 3c is a cross-sectional view showing an example of the construction of a large formwork structure and a concrete structure construction method using the improved concrete concrete waterproofing according to the present invention.

FIG. 3D is a partially enlarged cross-sectional view illustrating a portion 'A' of FIG. 3A (not shown in the drawing).

4a to 4c is a cross-sectional view showing another construction example of the concrete formwork structure and the concrete structure construction method using the improved concrete concrete waterproofing according to the present invention.

FIG. 4D is a partially enlarged cross-sectional view illustrating a portion 'B' of FIG. 4C.

5a to 5c is a cross-sectional view showing another example of the construction of a large formwork structure and a concrete structure construction method using the improved concrete concrete waterproofing according to the present invention.

FIG. 5D is a partially enlarged cross-sectional view illustrating a portion 'C' of FIG. 5C.

<Explanation of symbols for the main parts of the drawings>

1: wall 2: slab

10, 10a, 10b: large formwork structure with improved concrete sphere waterproofing

100, 100a: Large formwork 100a ': Horizontal joists

110: form tie 120, 120a: buried buoyancy prevention fixing

121: removable buoyancy lock 200: slab formwork

300: metal lath

Claims (8)

When constructing reinforced concrete buildings, A plurality of large formwork installed opposite to form a wall; A plurality of form ties for coupling the plurality of large formwork to be opposed to each other; And A bottom buried in the slab, the top protrudes into the top of the slab is coupled to the large formwork so that the large formwork does not fall, buried buoyancy-preventing buried buried in the slab and the wall to be built; Large formwork structure with improved concrete sphere waterproofing. The method of claim 1, wherein the buried buoyancy preventing fixture has a concrete form waterproof structure improved concrete concrete, characterized in that the U-shaped angle is coupled to the form-type coupled to the lower end of the large formwork. According to claim 1, The buried buoyancy preventing fixture is fastened with the form tie is coupled to the lower end of the upper end of the large formwork of the lower layer, the top is fastened with the form tie coupled to the lower end of the large formwork of the upper layer, the upper layer and Large formwork structure with improved concrete sphere waterproofing, characterized in that the lower wall is linked. When constructing reinforced concrete buildings, A formwork having fixing holes penetrating the lower and horizontal horizontal lines thereof, the plurality of large formwork being installed to face the wall; A plurality of form ties for coupling the plurality of large formwork to be opposed to each other; And The top is protruded into the top of the slab so that the large formwork does not fall, is inserted into the fixing hole of the large formwork, and the bottom is fixed to be installed to be buried so as not to penetrate the slab, removed when removing the large formwork with the large formwork. Prevent fasteners; Large formwork structure with improved concrete sphere waterproofing. When constructing reinforced concrete buildings, (a) forming a reference layer slab; (b) installing a buried buoyancy preventing anchor of claim 2 on the slab; (c) installing the large formwork of claim 2 on one side of the wall position to be constructed by placing a wall reinforcement on the upper part of the slab; (d) installing a plurality of form ties of claim 2 coupled to the large formwork, wherein the form ties coupled to the lower end of the large formwork are also fastened with the upper end of the buried buoyancy preventing fixture; (e) placing a large formwork on the other side of the wall to be constructed and coupling it with the form tie; (f) placing and curing concrete to form walls and demoulding large formwork; (g) installing a slab formwork on top of the formed wall and reinforcing the slab reinforcement, then placing and curing concrete to form a slab and demolding the slab formwork; And (h) repeating steps (b) to (g) to build a structure; Concrete structure construction method using a large formwork to improve the concrete sphere waterproofing. When building reinforced concrete buildings, (a) forming a reference layer slab; (b) installing the buried buoyancy preventing anchor of claim 3 on the slab; (c) installing a large formwork of claim 3 on one side of the wall position to be constructed by placing a wall reinforcement on the upper part of the slab; (d) install a plurality of form ties of claim 3 coupled to the large formwork, the form ties coupled to the lower end of the large formwork is also fastened to the top of the buried buoyancy-preventing fixture installed, coupled to the upper end of the large formwork Form tie is also fastened to the bottom of the separate buried buoyancy lock; (e) placing a large formwork on the other side of the wall to be constructed, combining with the form ties, placing and curing concrete to form a wall, and demolding the large formwork; (f) installing slab formwork on top of the formed wall and reinforcing slab reinforcement; (g) installing a metal lath on the wall joint portion to be constructed with the slab, extending the reinforcement to the reinforcement of the constructed wall, and installing the large formwork on one side of the wall position to be constructed; (h) install the plurality of form ties coupled to the large formwork, the form tie coupled to the lower end of the large formwork is also fastened with the top of the buried buoyancy-preventing fixture installed, the form is coupled to the upper end of the large formwork The tie is also fastened to the bottom of a separate buried buoyancy lock; (i) placing a large formwork on the other side of the wall to be constructed, and combining it with the form tie; (j) placing and curing concrete to form slabs and walls of the construction layer and demolding slab formwork and large formwork; And (k) repeating the steps (f) to (j) to build the structure into a thin thin film; Concrete structure construction method using a large formwork to improve the concrete sphere waterproofing. When constructing reinforced concrete buildings, (a) forming a reference layer slab; (b) reinforce the wall reinforcement on the slab and install the large formwork according to claim 4 on one side of the wall location to be constructed, and insert the removable anti-float lock of claim 4 into the fixing hole of the large formwork to remove the slab. Installing an anti-lift buckle; (c) installing a plurality of form ties of claim 4 coupled with the large formwork; (d) placing a large formwork on the other side of the wall to be constructed, and combining it with the form tie; (e) placing and curing concrete to form a wall and demoulding the large formwork, but also removing the removable anti-flotation fixture; (f) installing a slab formwork on top of the formed wall and reinforcing the slab reinforcement, then placing and curing concrete to form a slab and demolding the slab formwork; And (g) repeating steps (b) to (f) to build a structure; Concrete structure construction method using a large formwork to improve the concrete sphere waterproofing. According to any one of claims 5 to 7, wherein the large formwork is demolded during the curing of the slab and the wall constituting one floor is transported and installed to another building construction site of the adjacent same plane by alternating the construction of the two buildings. Concrete structure construction method using a large formwork structure with improved concrete concrete waterproofing, characterized in that two buildings are constructed at the same time.