KR100640244B1 - Method for constructing underground slabs and walls using erection piles without preliminary wall-attached supports - Google Patents

Abstract

The present invention relates to a method for constructing a slab-outer wall at the same time by using an traction file without a frame beam. The construction method of the present invention includes the steps of: (a) installing the retaining wall along the boundary line of the building to be constructed; (b) driving a plurality of extraction piles at a position corresponding to the basement outer wall to be formed in front of the retaining wall, and inserting a plurality of pillar piles at a position corresponding to the pillar of the building; (c) digging to a predetermined depth to expose the retaining wall, the upper portion of the extraction pile and the pillar pile; (d) coupling the plurality of shear connecting members to the sides of the exposed traction file; (e) installing a beam corresponding to the first basement layer between the extraction pile and the pillar pile; (f) installing formwork to cast the basement outer wall comprising the slab and the extraction pile of the first basement layer; And (g) pouring concrete into the formwork and simultaneously pouring and curing the slab and the basement outer wall of the first basement layer.

Basement floor, slab, basement outer wall, retaining wall

Description

Method for constructing underground slabs and walls using erection piles without preliminary wall-attached supports}

1 is a flow chart illustrating a process of a method for constructing a slab-outer wall at the same time using an extraction file without a rim beam according to a preferred embodiment of the present invention.

2 and 3 are side cross-sectional views and planar cross-sectional views, respectively, showing a state in which the wall of the earth is installed, and the pillar file and the extraction file are in a state of being installed in accordance with a preferred embodiment of the present invention.

4 and 5 are side cross-sectional views illustrating a state in which a shear connection member is coupled to an exposed extraction file after the first blowout and a beam is installed between the extraction pile and the pillar file according to a preferred embodiment of the present invention; Plane section view.

6 is a cross-sectional view illustrating a state in which the slab and the basement outer wall of the first basement layer are poured according to a preferred embodiment of the present invention.

7 is a cross-sectional view showing an example in which the basement outer wall of the first basement floor is poured according to a preferred embodiment of the present invention.

8 is a cross-sectional view showing the construction of the slab and the basement outer wall of the second basement layer in accordance with a preferred embodiment of the present invention.

9 is a cross-sectional view showing the concrete composite beams used in the method of constructing the slab-outer wall of the basement at the same time using the extraction file without the rim beam according to another preferred embodiment of the present invention.

10 and 11 are a cross-sectional view and a plan view showing the reinforcing bar in the slab when the concrete composite beam of Figure 9 is adopted in accordance with another preferred embodiment of the present invention.

12 and 13 show a further preferred embodiment of the present invention, a cross-sectional view and a plan view showing the reinforcement in the slab when the concrete composite beam is adopted.

14 and 15 show a further preferred embodiment of the present invention, a cross-sectional view and a plan view showing the reinforcement in the slab when the concrete composite beam is adopted.

16 and 17 show a further preferred embodiment of the present invention, a cross-sectional view and a plan view showing the reinforcing bar in the slab when the concrete composite beam is adopted.

The present invention relates to a method of building a slab-outer wall of the basement floor, and more particularly, to connect a beam using an extraction file without installing a rim beam (strip), and to base the slab-outer wall of the basement at the same time. It is about how to build.

When constructing a building, the basement is built up in various necessities.The basement structure of such a basement is installed in the order of installing the wall and digging, then laying the foundation and ascending the slab and the outer wall. Is common.

As an example of such a construction of a brick wall, a pile earth plate wall that pinches a soil plate between piles while piling a beam-shaped pile at regular intervals and proceeds to excavation of a trench, and a site where a concrete wall is cast in concrete at a construction site Cast In Place Pile (CIP) is a typical example, and there are Soil Cement Wall (SCW) and Diaphragm Wall.

In addition, as a method of supporting the earth pressure against the retaining wall when constructing the underground structure, using an anchor method using a steel nail, tie rods, earth anchor, etc. Strut method.

As one of the methods of constructing the underground structure, the first step of installing the retaining wall along the building boundary line and putting the center pile at the location of the building pillar, and forming the first rim beam called so-called bandage in contact with the inner side of the retaining wall after the first bursting. A second process of installing a bracket for placing one end of the beam while supporting the formwork for forming the second mold; and a third process of establishing a formwork for forming the first rim beam (strip) on the bracket; A fourth step of placing the beam on which the member is fixed so that the shear connection member is located in the frame for building the frame beam, and fixing the other end of the beam to the center pile, and in the form for the first frame beam. The fifth step of reinforcing reinforcement, and the concrete is placed in the formwork so that the shear connection member fixed to one end of the reinforcement and beams are embedded together There has been proposed a method including a sixth step of allowing the two walls, the edge beams and the beams to be integrally coupled, and a step of repeatedly performing the second to sixth steps as necessary.

Here, after repeating the process of constructing a separate rim beam (belt) and installing the beams while proceeding the excavation sequentially, when the installation of the rim beam and the beam is completed, the beam corresponding to the basement floor The slab is poured over the floor, and at the same time, the basement outer walls are sequentially placed from the bottom up.

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In addition, in order to install the beams corresponding to each basement, the beam connection plate must be mounted in advance and the rim beam (striped) concrete must be cast, which can be cumbersome.

Meanwhile, according to another underground structure construction method, after the propulsion column and the support column are driven, the ground structure part is constructed to sequentially install the interlayer slab of the ground by connecting the butting column and the support column to the upper part of the ground. In the lower part, the construction of the underground structure will be undertaken.

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In this method, after all the basement slabs are placed in sequence, the basement outer walls are to be poured up from the bottom layer, which can be cumbersome due to the double process.

The present invention was conceived in view of the above problems, and after installing the erection file in advance and proceeds to dig, connecting the beam directly to the traction file without the installation of a rim beam (strip), and then reverse the stratum slab and the outer wall at the same time The purpose of the present invention is to provide a method for constructing a slab-outer wall at the same time by using the traction file without the rim beam.

It is another object of the present invention to provide a method for constructing a slab-outer wall at the same time using a directional pile, which does not need a rim beam, in which a connection plate for beam connection is separately provided or installed.

Another object of the present invention is to proceed with the connection of the beam and the construction of the slab and the outer wall at the same time with the trench, so that the basement layer using the traction file omitted the rim beam to reduce the air at the same time to strengthen the earth pressure supporting structure for the earth wall The present invention provides a method for building a slab-outer wall at the same time.

In order to achieve the above object, the method for constructing a basement slab-outer wall at the same time using the traction file without the rim beam according to the present invention comprises the steps of: (a) installing a barrier wall along a boundary of a building to be constructed; (b) driving a plurality of extraction piles at a position corresponding to the basement outer wall to be formed in front of the retaining wall, and inserting a plurality of pillar piles at a position corresponding to the pillar of the building; (c) digging to a predetermined depth to expose the retaining wall and the upper portion of the extraction pile and the pillar pile; (d) coupling a plurality of shear connecting members to the sides of the exposed traction file; (e) installing a beam corresponding to the first basement layer between the extraction pile and the pillar pile; (f) installing formwork to cast the basement outer wall comprising the slab of the first basement layer and the extraction pile; And (g) pouring concrete into the formwork and simultaneously pouring and curing the slab and the basement outer wall of the first basement layer.

Preferably, the present invention comprises the steps of: (h) further digging to a predetermined depth so that the portion of the retaining wall, the extraction pile and the pillar pile are further exposed; (i) coupling a plurality of shear connecting members to the sides of the exposed traction file; (j) installing a beam corresponding to the second basement layer between the extraction pile and the pillar pile; (k) installing formwork to cast the basement outer wall including the slab of the second basement layer and the extraction pile; And (l) pouring concrete into the formwork and simultaneously placing and curing the slab and the basement outer wall of the second basement layer, and repeating the steps (h) to (l).

Preferably, the beam is any one of cheolgolbo, RC beam, concrete composite beam.

Preferably, a plurality of shear connection members are coupled to the exposed soil wall.

More preferably, one end of the cheolgolbo or concrete composite steel beam is welded to the side of the extraction pile, the other end is welded to the side of the pillar pile.

Preferably, the deck plate is installed as part of the permanent structure between the cheolgolbo or concrete composite steel beam and used as a formwork.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. Prior to this, terms or words used in the specification and claims should not be construed as having a conventional or dictionary meaning, and the inventors should properly explain the concept of terms in order to best explain their own invention. Based on the principle that can be defined, it should be interpreted as meaning and concept corresponding to the technical idea of the present invention. Therefore, the embodiments described in the specification and the drawings shown in the drawings are only the most preferred embodiment of the present invention and do not represent all of the technical idea of the present invention, various modifications that can be replaced at the time of the present application It should be understood that there may be equivalents and variations.

Figure 1 schematically shows the overall process of the method for constructing a basement slab-outer wall at the same time using the extraction pile according to a preferred embodiment of the present invention.

Basement floor slab-outer wall construction method according to the present invention is largely earthquake wall installation step (S100), pile construction step (S200), the first digging step (S300), shear connection member installation step (S400), steel cheolgolbo installation step (S500) ), Formwork and reinforcement reinforcement step (S600), concrete placing and curing step (S700), and then it is composed of the steps to repeat the subsequent processes repeatedly with the secondary trench.

Hereinafter, a detailed work process will be described for each step.

2 and 3 show a state in which the basement wall 10 is installed along the boundary line of the building to be constructed prior to the construction of the basement structure, according to the installation step (S100).

The construction type of such a barrier wall 10 is not limited by the present invention, the barrier wall 10 may be installed in accordance with various methods as described above. The retaining wall 10 may be a small cement wall (SCW), a earth plate retaining wall, or a cement wall (CIP) including a reinforcing steel frame. Hereinafter, all are referred to as "soil walls."

Pile construction step (S200) is performed in the state in which the retaining wall 10 is installed. In this step, a plurality of pillar piles 20, which are H-shaped steels, are driven and installed around the positions of the pillars of the basement floor.

In addition, according to the present invention, as will be described later, the installation file 30, which is H-shaped steel, is formed in a line to be installed on the portion to be the outer wall of the basement layer. Such an extraction pile 30 serves as a support to which one end of a beam to be subsequently installed is coupled and supported, and at the same time, serves as a reinforcement of the basement outer wall.

The pillar pile 20 and the extraction pile 30 may be embedded in the soil of the required position by using the existing anti-rotation method and after-punching landfill method.

When the installation of the pillar file 20 and the extraction file 30 is completed, as shown in FIG. 4, the primary trench is performed at a predetermined depth (S300). Here, the depth of the primary trench is preferably at least the depth of the basement 1 floor, but is not limited thereto.

As the trench proceeds as described above, the upper portion of the retaining wall 10 and the pillar pile 20 and the extraction pile 30 is exposed.

Subsequently, when the first trench is finished to a predetermined depth, a plurality of shear connection members 40 are installed on the exposed side of the extraction file 30 (S400). The shear connecting member 40 is to increase the mutual binding force of the extraction pile 30 when the basement outer wall is concrete-cast as described below, and preferably, may be made of metal based on steel.

Preferably, the shear connection member 40 is coupled to the retaining wall (10) or the extraction pile (30) is a support portion that is a support portion, and is embedded in the concrete extending in the width direction of the basement outer wall to increase the binding force It may be a stud including a wing, or an H-shaped shear connecting member obtained by cutting a portion of the H-shaped steel, but is not limited to the present embodiment and may be modified and manufactured in various forms.

The shear connecting member 40 may be coupled in various ways, for example, welded or screwed to the traction pile 30.

Preferably, the shear connecting member 40 may be installed on the side surface of the exposed retaining wall 10 as shown in FIG. 5 to further increase the binding force and the supporting force of the basement outer wall, and the extraction pile 30 Shear connection member 40 may be provided on both sides of the inner surface of the c).

In addition, with the installation of the shear connection member as described above to install the cheolgolbo 50 is a permanent horizontal structural member of the building (S500). One end of the cheolgolbo 50 may be installed by welding the end pile 30, the other end is welded to the pillar pile (20). In addition, the cheolgolbo 50 may be installed between the pillar pile 20 in the same manner.

According to the present invention, the cheolgolbo 50 can be easily and quickly installed by simply welding to the installation file 30 that is pre-installed without using a separate rim beam (band) or beam connection plate. The combination of the cheolgolbo to the pile is not limited by this embodiment and it should be understood that various modifications may be applied, such as welding using an auxiliary bracket.

As described above, when the installation of the shear connection member 40 and the cheolgolbo 50 is completed, as shown in Figure 6 formwork for constructing the first basement slab BS1 and the first floor permanent outer wall (BW1) ( 60) is installed (S600).

According to the present invention, the formwork 60 is installed over the combined cheolgolbo 50 to form the first basement slab (BS1), at the same time the shear connection member to form the first basement outer wall (BW1) 40 is installed to surround the combined extraction file 30.

In addition, the formwork 60 is integrally installed to connect the underground slab BS1 and the outer wall BW1. Therefore, the basement slab and the basement outer wall can be installed at once without placing separately, and the rim beam (strip) construction, which was necessary for general earthquake construction, is omitted.

Preferably, although not shown in the drawings in consideration of the appropriate load of the slab (BS1) and the outer wall (BW1) with the formwork 60 installed in the reinforcement or connecting reinforcing bars corresponding thereto. The reinforcing bars or connecting bars will be described later.

More preferably, a part of the reinforcing bars constituting the basement outer wall BW1 is projected to extend below the formwork 60 so that the joint, i.

As described above, after the installation of the formwork 60 and the reinforcing bar is finished, the concrete 100 is poured and cured for the first basement slab BS1 and the first basement outer wall BW1 as shown in the drawing. S700). FIG. 7 shows the appearance of the first basement outer wall BW1 for the state in which the formwork 60 is removed after curing of the concrete 100 is completed.

Thus, the first basement slab BS1 and the first basement outer wall BW1 may be constructed at the same time, and in this process, the basement outer wall BW1 is connected to the extraction pile 23 by the shear connecting member 40. It is firmly bound and integrated.

Preferably, when the shear connecting member 40 is also installed in the retaining wall 10, the underground outer wall BW1 is more firmly bound to and supported by the retaining wall 10 through the shear connecting member 40. Can be.

In the present embodiment has been described for the formwork that needs to be removed, as another alternative, instead of the formwork, a steel plate called a deck plate (deck plate (not shown)) is installed between the cheolgolbo 50 and instead of the formwork Concrete can be poured and cured. In this case the deck plate may be used as a permanent structure.

In the present embodiment, the outer wall BW1 is described to be constructed in one pouring process, but is not limited thereto. As another alternative, a part of the upper part of the outer wall BW1 may be first integrated with the slab BS1 and later the remaining outer wall. The lower part (BW1) may be additionally constructed.

On the other hand, Figures 4 to 7 shows that the cheolgolbo 50 is used to support the slab (BS1), to support the slab (BS1), in addition to the cheolgolbo 50 may be used a conventional RC (reinforced concrete) beam. . That is, the RC beam may be manufactured by installing formwork for RC beams, reinforcing steel bars, and then pouring concrete. In addition, it is also possible to pour only the slab (BS1) without providing the cheolgolbo 50 or RC beam. That is, by sufficiently reinforcing the rebar to the slab BS1, the slab BS1 can be made to withstand the load or the compressive force.

After the first basement is completed, the above-described process is repeated repeatedly to build a structure of two basements or additional basement.

That is, referring to FIG. 8, the secondary trench is performed to build an additional underground structure.

When the second trench is formed to a predetermined depth, a plurality of shear connecting members 40 ′ are installed in the exposed extraction pile 30.

Then, as described above, one end of the cheolgolbo 50 ', the underground permanent horizontal structural member is welded to the removal pile 30, the other end is welded to the pillar pile 20 by the cheolgolbo 50' Complete the installation of.

Subsequently, the formwork 60 'is provided in order to form the basement 2nd floor slab BS2 and the basement 2nd floor outer wall BW2, and the reinforcement steel is reinforced. Here, the formwork 60 ′ is integrally formed to simultaneously cast the second underground slab BS2 and the outer wall BW2.

Subsequently, concrete 100 'is poured and poured into a space corresponding to the basement two-layer slab BS2 and the outer wall BW2 and cured. After the concrete is cured, the formwork 60 'is demolished to simultaneously form the second basement slab BS2 and the outer wall BW2.

By repeating the above process to the desired basement layer, the slab and the outer wall can be poured at the same time to obtain an underground structure in which the rim beam construction is omitted.

According to the present invention, not only steel beams but also various other composite beams may be employed. The configuration of the concrete composite steel beam 310 proposed by the present inventor is illustrated in FIG. 9.

Referring to FIG. 9, the concrete composite beams 310 have an H-beam 112, a hoop rebar 120 installed at a predetermined distance from the H-beam 112, and at least a portion of the H-beam 112. The concrete member 130 is embedded to be embedded.

The H-beam 112 includes an upper flange 112a and a lower flange 12c arranged in parallel with each other, and a web 12b connecting the upper and lower flanges 112a and 112c to each other.

Preferably, at least one of the lower flange 112c or the web 112b of the H-shaped steel 112 has a stud 157 embedded in the concrete member 130 protrudes. The stud 157 further strengthens the coupling of the H-beam 112 and the concrete member 130.

The hoop reinforcing rod 120 is welded to the H-beams 112 to surround the H-beams 112 at predetermined intervals along the longitudinal direction of the H-beams 112. Preferably, both ends of the hoop reinforcement 120 is welded to the upper flange 112a to be fixed. The hoop reinforcing rod 120 serves to evenly distribute the compressive force acting in the longitudinal direction of the H-beams 112 over the cross section of the H-beams 112, and to resist the shear force acting perpendicular to the cross section.

The concrete member 130 is formed to be integral with the H-beams 112 along the longitudinal direction of the H-beams 112, and is preferably formed to fill at least a portion of the web 112b and the lower flange 112c. . Preferably, the cross section of the concrete member 130 has a trapezoidal shape whose upper surface is wider than the lower surface. Since the upper surface of the concrete member 130 is wider than the lower surface there is an advantage that the area on which the deck plate (not shown) can be mounted is widened as will be described later.

Preferably, the concrete member 130 is formed to bury at least a portion of the web (112b) and the lower flange (112c) therein.

The concrete member 130 to effectively resist the bending stress and the compressive force acting in the axial direction with the H-shaped steel (112). In addition, the concrete member 130 to effectively respond to the bending stress by increasing the cross-sectional area of the concrete composite beams 310.

In addition, the H-shaped steel 112 is not exposed to the outside because it is embedded in the concrete member 130 and the slab concrete, which will be described later, does not require a separate fire-resistant coating treatment. This is a point that can greatly improve the fire resistance of the structure constructed with the concrete composite beams 310 of the present invention.

Preferably, the upper surface of the concrete member 130 is formed to have a predetermined roughness (roughness). This is to increase the bonding force with the slab cast on the upper surface.

The concrete composite beam beam 310 may include a tension / compression reinforcing bars 151 in the longitudinal direction in the concrete member 130. The tensile / compression reinforcing bars 151 may resist tensile and compressive stresses acting on the concrete composite beams 310. Preferably, the tensile / compression reinforcing bar is composed of exposed reinforcing bar exposed and not embedded in the concrete composite steel beam 310 and embedded buried reinforcement therein, more preferably they are formed on the inner surface of the hoop reinforcement 120 It is welded or fixed by fastening means such as wires. This tension / compression rebar not only maintains the spacing of the hoop reinforcement 120 but also serves as a support for resisting tensile and compressive stresses as described above.

Preferably, the concrete member 130 is provided with a support 153 on which a deck plate (not shown) is placed and supported thereon. The support 153 includes a bracket 153a for supporting the deck plate and a buried member 153b integrally formed with the bracket 153a and embedded in the concrete member 130.

Preferably, the bracket 153a is installed at an upper edge portion of the concrete member 130, and more preferably a shape corresponding to the upper edge shape of the concrete member 130, for example, a rectangular “L” shaped cross section. Achieve. More preferably, the bracket 153a may be installed so that the outer surface thereof is continuous with the outer surface of the concrete member 130 without protruding to the outside for aesthetic appearance.

According to this embodiment, the end portion of the web 112b of the concrete composite beams 310 is exposed without being embedded by the concrete member 130, it can be connected to the earth wall in the manner described above.

When the slab is built on the concrete composite beam, the configuration of the reinforcing bars can be variously modified. Reinforcing bars according to an embodiment of the present invention are illustrated in FIGS. 10 and 11. Here, only reinforcing bars and H-beams are shown in FIG. 11 and the remaining components are omitted for convenience.

The slab structure includes a slab 160 and a concrete composite beam 310 to support the slab 160.

The deck plate 155 is placed on the support 153 of the concrete composite beams 310. The deck plate 155 is typically made of steel and may be coupled to the support 153 by welding. The slab structure can then be completed by laying out the bars and placing concrete. At this time, the deck plate 155 is used as a permanent structure without dismantling.

In the present invention, the reinforcing bar reinforcement to the slab 160 is preferably, reinforcing bars 112 are respectively provided on both sides of the H-beams 112, and connecting rebars are installed across the upper portion of the H-beams 112 162. Preferably, the connecting reinforcing bar 162 is installed to be adjacent to the reinforcing bar 112, and serves to transfer the compressive stress on the reinforcing bar 112 on one side to the reinforcing bar 112 on the other side. It is already known that stresses can be transferred between reinforcing bars when reinforcing bars embedded in concrete are approached within a predetermined distance from each other.

12 and 13 showing the reinforcement configuration of the slab according to another embodiment of the present invention, the reinforcement reinforcing bars (161a) are respectively reinforced on both sides of the H-beams 112 of the concrete composite beams (310).

In addition, a through hole (not shown) is formed in the web 112b of the H-beam 112, so that the connecting rebar 162a penetrates through the through hole. At this time, as described above, the connecting rebar 162a is disposed to be adjacent to the reinforcing bar 161a.

In the present embodiment, since the reinforcing bar 161a and the connecting bar 162a are located at a relatively lower height than the upper flange 112a of the H-beam 112, the center part and / or lower part of the slab may be reinforced.

14 and 15 show the reinforcement configuration of the slab reinforcement according to another embodiment of the present invention.

According to the present embodiment, a plurality of reinforcing bars 161b are disposed at both sides of the H-beams 112 of the concrete composite beams 310 at predetermined intervals. In addition, at the end of the reinforcing bar 161b, a connecting bar 162b for transmitting the axial stress applied to the reinforcing bar 161b to the H-shaped steel 112 is disposed adjacent thereto.

The connecting reinforcing bars 162b have a U-shape, and end portions thereof are disposed to be close to ends of the reinforcing bars 161b adjacent to each other. At the same time, the center of the connecting reinforcing bar 162b is installed in close proximity to the H-beam 112 or welded thereto.

According to this configuration, the connecting reinforcing bars 162b transfer the axial stress applied to the reinforcing bars 161b on one side to the reinforcing bars 161b on the other side via the H-shaped steel 112.

Preferably, the connecting reinforcing bar 162b, as shown in Figure 21, the adjacent connecting bars are arranged so that their ends overlap each other can act as a more effective reinforcing structure.

16 and 17 show the reinforcement configuration of the slab reinforcement according to another embodiment of the present invention.

According to the present embodiment, a plurality of reinforcing bars 161c are disposed at both sides of the H-beams 112 of the concrete composite beams 310 at predetermined intervals. In addition, at the end of the reinforcing bar 161c, a connecting bar 162c for transmitting the axial stress applied to the reinforcing bar 161b to the H-shaped steel 112 is disposed adjacent thereto.

The connecting reinforcing bar 162c has an L shape, and one end thereof is positioned to be close to the end of the reinforcing bar 161c, and the other end thereof is installed to be adjacent to the H-beam 112 or welded thereto. .

According to this configuration, the connecting reinforcing bar 162c transfers the axial stress applied to the reinforcing bar 161c on one side to the reinforcing bar 161c on the other side via the H-shaped steel 112.

Although the present embodiment has been described with respect to the slab structure using the concrete composite beams 310 having a trapezoidal cross-section of the concrete member, the present invention is not limited thereto and may be applied to concrete composite beams having cross-sections of various shapes.

In addition, the reinforcing bars and connecting bars described and illustrated in the above embodiments may be used in various combinations, and additional reinforcing bars may be further arranged at various locations as needed.

According to the method for constructing the basement slab-outer wall of the present invention, it is not necessary to concretely install the rim beam (belt) or the connection plate for beam connection and install it as in the prior art, and the installation file is pre-assembled and By simply welding the beam to the extraction pile exposed during the digging process, the beam, a permanent horizontal structural member of the basement, can be installed in a simple and rapid process.

In addition, since the connection of the beam and the construction of the slab and the outer wall at the same time proceeds with the trench, there is an advantage that can significantly shorten the air while strengthening the earth pressure supporting structure for the retaining wall.

Claims (6)

(a) installing the retaining wall along the boundary of the building to be constructed; (b) driving a plurality of extraction piles at a position corresponding to the basement outer wall to be formed in front of the retaining wall, and inserting a plurality of pillar piles at a position corresponding to the pillar of the building; (c) digging to a predetermined depth to expose the retaining wall and the upper portion of the extraction pile and the pillar pile; (d) coupling a plurality of shear connecting members to the sides of the exposed traction file; (e) installing a beam corresponding to the first basement layer between the extraction pile and the pillar pile; (f) installing formwork to cast the basement outer wall comprising the slab of the first basement layer and the extraction pile; And (g) pouring concrete into the formwork and simultaneously placing and curing the slab and the basement outer wall of the first basement layer. The method of claim 1, (h) further digging to a predetermined depth to further expose portions of the retaining wall, the extraction file and the pillar file; (i) coupling a plurality of shear connecting members to the sides of the exposed traction file; (j) installing a beam corresponding to the second basement layer between the extraction pile and the pillar pile; (k) installing formwork to cast the basement outer wall including the slab of the second basement layer and the extraction pile; And (l) pouring concrete into the formwork and simultaneously placing and curing the slab of the second basement layer and the basement outer wall; Method for constructing simultaneous slab-outer wall of the basement floor, characterized in that repeating the steps (h) to (l). The method according to claim 1 or 2, Slab-outer wall simultaneous building construction method of the basement floor, characterized in that any one of the steel beam, RC beam, concrete composite beam. The method according to claim 1 or 2, The slab-outer wall simultaneous pouring construction method of the basement layer, characterized in that the plurality of shear connection member is coupled to the exposed earth wall. The method of claim 3, One end of the steel cheolgolbo or concrete composite steel beam is welded to the side of the extraction pile, the other end is welded to the side of the pillar pile, slab-outer wall simultaneous building method of the basement layer. The method of claim 3, Method for constructing the slab-outer wall of the basement floor, characterized in that the deck plate is installed as part of the permanent structure between the cheolgolbo or concrete composite steel beam and used as a formwork.

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