KR101414254B1 - Structure and method for construction using PC column and PC flat plate slab and PC girder - Google Patents

Abstract

The present invention relates to a precast concrete pillar, a precast concrete flat plate slab, a construction structure using a precast concrete girder and a method for constructing the same. According to the present invention, a construction of a building can be easily conducted by facilitating a temporary fixation of a first flat plate slab and a second flat plate slab. Thereby, the construction period of the building can be remarkably decreased, at the same time omitting the necessity for an additional construction for insulation and noise reduction after the construction of a ceiling slab, to enhance an interlayer insulation effect and to reduce an interlayer noise transfer.

Description

TECHNICAL FIELD The present invention relates to a construction method of a building using a precast concrete column and a precast concrete slab and a precast concrete girder,

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a construction structure of a building using a precast concrete column, a precast concrete non-flat plate slab, and a precast concrete girder, and more particularly, The construction of the building can be easily performed, and the construction period of the building can be remarkably shortened. Further, after the construction of the ceiling slab, it is possible to increase the effect of interlayer insulation without requiring additional insulation and noise reduction addition construction The present invention relates to a construction method of a building using a precast concrete column, a precast concrete flat plate slab and a precast concrete girder, and a construction method thereof.

In general, a flat plate structure is a type of building structure, which is composed of pillars and slabs without beams, which are horizontal structural members that are connected to pillars of vertical members and support loads. When it is distinguished by the method which resists the acting force, it is one of the structure method by the celebration.

This type of flat plate structure is also referred to as a flat bottom structure or a flat slab structure. Here, the slab refers to the bottom of the reinforced concrete structure. The flat plate structure is a structure in which the load generated on the slab is directly transmitted to the floor through the column, .

In the flat plate structure as described above, it is not necessary to separately provide a space of 50 to 70 cm for installing a beam, so that the height of the layer can be reduced, but a thick slab is required instead.

In other words, in the flat plate structure, the slab around the column has a large force to puncture or cut the slab, so that the slab around the column needs to be reinforced, and it is mainly applied to the reinforced concrete structure.

On the other hand, in a reinforced concrete structure, a joint where a slab and a column meet (a column head) has a large shear force along the periphery of the column, and therefore, if the resistance to this portion is insufficient, shear fracture There is great concern.

Therefore, as a method for reinforcing the shear performance of the joint between the column and the slab, a method of increasing the shear strength by providing a reinforcing member such as a separate shear reinforcement on the joint has been proposed.

For example, a structure for forming a slab that forms a ceiling of a building by placing a concrete concrete slab on a PC column with a flat plate structure, and a construction method thereof, As shown in FIG. 1 of Document 1 (KR 10-1135881 B1 Apr. 05, 2012), a method of using a stirrup (a method of using a stirrup (see Patent Document 1 (KR 10-1135881 B1 2012.04.05. (a)), a method of installing a shear head (see FIG. 1 (b) of Patent Document 1 (KR 10-1135881 B1 2012.04.05.) and a method of installing a shear stud (see Patent Document 1 -1135881 B1, Apr. 05, 2012. (c) of Fig. 1).

Referring to FIG. 1 of Patent Document 1 (KR 10-1135881 B1 2012.04.05.), The method of using stirrups (most commonly used at the present construction site) is disclosed in Patent Document 1 (KR 10-1135881 B1 2012.04.05 The stirrup 100 is wound on the upper and lower slab reinforcing bars 3 arranged across the joining portion between the column 1 and the slab 2 as shown in Figure 1 (a) .

At this time, since the stirrup 100 is generally used by bending and processing a deformed reinforcing bar having a diameter of 10 mm at a factory or a construction site, it is not necessary to provide a separate material for the construction of the shear reinforcement, There is a disadvantage in that it is difficult to appropriately keep the thickness of the slab 2 covered by the stirrup 100 as it is constructed so as to surround the outer circumference of the upper and lower slab reinforcing bars 3, 2, there is a problem that the gap between the upper and lower reinforcing bars 3 is reduced and the bending resistance of the slab is reduced.

Therefore, the method of increasing the shear strength using the stirrup 110 is difficult to apply to the slab 2 having a small thickness. Further, as the plurality of stirrups 110 are bound to each other, there is a problem.

On the other hand, as a method of increasing the shear strength by installing a shearing head, there is a method in which an H-shaped steel or a channel is cut in the longitudinal and transverse directions as shown in Fig. 1 (b) of Patent Document 1 (KR 10-1135881 B1 2012.04.05. (120) in the form of a lattice, and the shear reinforcement is installed at the joint between the column (1) and the slab (3) to share the proof stress against the shear force.

However, such a method of installing a shear head has a problem that the steel itself requires more than necessary steel according to the use of the steel material, and the self-load of the building becomes large.

1 (c) of Patent Document 1 (KR 10-1135881 B1 2012.04.05.), The method of installing the shear studs is a method in which the flat steel plates 130 And a plurality of stud bolts 132 are welded to an upper portion of the shear reinforcement to form a shear reinforcement. The shear reinforcement is installed at the joint between the column 1 and the slab 2 to reinforce the shear strength.

In the case of this method, it was found that the test was more effective than the bending steel or stirrup reinforcement due to the improvement of the adhesion performance of the stud bolt head and the steel plate. However, since welding is required for a plurality of stud bolts 132, There is a problem that it is cumbersome.

In addition to such a shear reinforcement, a shear reinforcement of a slab-column joint and a shear reinforcement structure using the shear reinforcement are disclosed in Patent Registration No. 10-676627 (Patent Document 10-2007-53836) (Japanese Patent Application Laid-Open No. 10-2004-76644 (a method of manufacturing a reinforced concrete structure and a reinforced concrete structure including the reinforced concrete) has been proposed. However, these structures are complicated and difficult to manufacture, There is a problem in that it can not be packed relatively densely.

According to this problem, as shown in Patent Document 1 (KR 10-1135881 B1 2012.04.05.), A flat plate slab is separately prepared by pre-casting and fixed to the upper end of a column, The precast concrete girder is applied between adjacent slabs.

However, in the structure and construction method of a building through such a flat plate structure, there is a problem that the construction is not smooth because of the complicated process of fixing a flat plate slab to the upper end of the column.

Furthermore, since the precast concrete girder applied to the building is composed of only the structure of concrete and reinforcing steel, it is required to additionally require additional insulation for reducing interlayer insulation or noise transmission after construction of the ceiling slab for the building .

In other words, the construction structure of a building through a conventional column, a non-flat plate slab and a precast concrete girder is not easy to construct due to the complicated construction such as fixing a slab of a flat plate slab, There is a problem that the construction period is lengthened according to the additional construction.

Therefore, it is possible to simplify the construction structure to facilitate the construction, and to reduce the construction time by requiring no additional additional construction for insulation and noise reduction, and to reduce the construction time of the building through the pillar, the flat plate slab and the precast concrete girder It is required to study and develop the construction structure and the construction method thereof.

KR 10-1135881 B1 2012.04.05.

In order to solve the above-mentioned problems, according to the present invention, a fixing hole is formed around a guide hole formed at the center of a first flat plate slab and a through hole or an insertion hole is formed at the center of the second flat plate slab, The present invention relates to a precast concrete slab and a precast concrete slab, and more particularly, to a precast concrete slab which can be easily fixed and fixed, And a construction method of a building using the precast concrete girder and a construction method thereof.

Another object of the present invention is to provide a pre-cast concrete girder which is insert-molded between upper reinforcing ribs, thereby enhancing the effect of interlayer insulation without requiring additional heat insulation and noise reduction after construction of the ceiling slab Thereby reducing the interlayer noise transmission.

In addition, according to the present invention, an upright fixing groove is formed at the bottom edge of a precast concrete column, and a fixing plate is buried so that the bottom surface thereof coincides with the bottom of the first column body by an anchor bar on one side of each of the standing- So that the lower end of the precast concrete column can be stably and firmly fixed to the foundation concrete floor by fastening with an anchor bolt buried and projected on the foundation concrete floor by a nut through a fastening hole formed on both sides of the fixing plate The purpose is to make it possible.

The present invention for achieving the above-mentioned objects is as follows. That is, the construction structure of the building using the precast concrete column, the precast concrete non-flat plate slab, and the precast concrete girder according to the present invention includes a first column body having a bottom fixedly installed on a foundation concrete forming a floor of a building, And a second column main body which is embedded in the first column main body in a plurality of numbers and is connected to an upper portion of the first column main body by upwardly protruding main rods and whose main rods are protruded by a predetermined length upward from the top, A precast concrete column having an extension formed by extending a predetermined outward area on an upper end of the first column body; A first flat plate slab which is formed at a center thereof so as to be inserted from an upper end of the second column body and through which a guide hole corresponding to the outer surface of the second column body is inserted and fixed on the upper surface of the extension portion of the first column body; A second flat plate slab secured on the upper end of the second column body at a central lower surface thereof; And a plurality of first pillars slabs and second pillars slabs arranged at regular intervals on the foundation concrete to form a first ceiling slab and a second ceiling slab by connecting adjacent pillars, And a precast concrete girder having a longitudinal end fixed to an upper surface of an end portion of the slab and insert-molded between the upper reinforcing ribs protruding upward from the upper surface.

Here, the first column main body has fixing anchors protruding at regular intervals along the circumference of the upper portion of the extension portion, and the fixing hole in which the fixing anchor is inserted and fixed along the circumference of the guide hole of the first flat plate slab .

At this time, it is preferable that the first sheave-connecting slab is formed with the first shear connection reinforcing bars protruding upward from the upper end of the guide hole at a predetermined interval.

Further, it is preferable that the first flat plate slab has a first auxiliary shear connection reinforcing protrusion formed at a corner of the upper surface with a predetermined distance inward from the outer end thereof in correspondence with the first shear connection reinforcing bars.

Meanwhile, the second flat plate slab may have a through hole formed at a central portion thereof with an area smaller than the area of the second column body so that the center bottom face can be seated on the upper end of the second column body, And the second shear connection reinforcing bars are formed to protrude upwards at regular intervals outside.

At this time, it is preferable that the second flat plate slab has a second auxiliary shear connection reinforcing protrusion formed at a corner of the upper surface, corresponding to the second shear connection reinforcing bars, and spaced inward from the outer end at a predetermined interval.

The second flat plate slab may have a square shape corresponding to the main side of the second column body and projecting upward from the upper surface of the second column body so as to be seated and fixed to the upper end of the second column body. A plurality of insertion holes may be formed through the through holes.

The bottom of the first column main body is fixed to the upper surface of the foundation concrete. The foundation concrete is embedded and fixed on the upper surface so that the anchor bolt protrudes upward from the corner of the first column main body, The main body is provided with spacers for adjusting the height between the lower center and the upper surface of the foundation concrete, and the lower ends are primarily fixed by mortar filling. Then, among the rising and contracting grooves formed in the lower edge, And an upper end of the anchor bolt protruding upward from the upper surface of the foundation concrete is fastened and fixed by the fastening and fixing member and the nut, and then the mortar is filled, and the lower end of the foundation concrete is secondarily It is preferable to fix it.

In this case, the fastening and fixing member includes an anchor bar having an upper end fixedly embedded in a bottom surface of the first column body, and a rectangular fixing plate having a lower end fixed to an upper surface of the anchor bar, It is preferable that the anchor bolt protruded upward from the upper surface of the foundation concrete is inserted and a fastening hole is formed to be fastened and fixed by the nut.

Further, the first column main body has a spacer interposed therebetween for height adjustment between the lower end center and the upper surface of the foundation concrete, and the lower end is fixed primarily by mortar filling, and the spacer is interposed, The height of the height adjustment nut is made to coincide with the upper end of the spacer so that the height of the height adjustment nut is the same as the height of the lower end edge of the first column body And the lower end of the first column main body is primarily fixed.

The pre-cast concrete girder may further include a plurality of first precursory concrete slabs or second precursory concrete slabs which are fixed to the center and upper ends of the precast concrete columns at regular intervals on the upper surface of the foundation concrete, The first and second flat plate slabs are fixed to each column so that they can be stably fixed at both ends in the longitudinal direction without mutual interference between the first flat plate slab and the second flat plate slab, Is formed.

The first and second flat plate slabs may be formed in a polygonal or circular plate shape having a predetermined thickness.

Meanwhile, the method of constructing the building using the pre-cast concrete column, the precast concrete slab and the precast concrete girder according to the present invention is characterized in that the concrete is placed on the bottom of the tuff so as to form the floor of the building, Forming a perforation hole with a predetermined spacing in a square and filling the anchor bolt on the perforation hole with mortar so as to protrude a predetermined upper length; A first column lower end fixing step of first fixing the lower end of the first column main body of the column on the foundation concrete by moving the column with a crane and a second column lower end fixing process of fixing the lower end of the first column main body A step of fixing the lower end of the column to fix the lower end of the column; The outer bottom surface of the guide hole of the first flat plate slab is seated on the upper surface of the extended portion of the first column body so that the fixed anchor protruded on the extended portion is guided by the outer surface of the second column main body of the column, A step of securing the first flat plate slab to be inserted and fixed in a fixing hole formed through the flat plate; A precast concrete girder fixing step of fixing the both ends of the precast concrete girder between the adjacent first non-flat plate slabs at a predetermined interval on the foundation concrete; A precast concrete panel fastening step for fastening and fixing the precast concrete panels so that the precast concrete panels are arranged in the longitudinal direction of the precast concrete girders; And a first column slab, a first precursor concrete slab, a precast concrete girder, and a precast concrete panel. The first precast concrete slab, the precast concrete precast concrete panel, And a ceiling slab forming step.

At this time, in the step of fixing the lower column of the column, the fixing process of the lower column of the first column may be performed by inserting a spacer between the lower surface of the first column main body and the upper surface of the foundation concrete, And fixing the lower end of the first column main body on the foundation concrete by filling the mortar with the anchor bolts of the foundation concrete being inserted and fixing the lower end of the first column main body to the foundation concrete, The nut is fixed to the anchor bolt protruded to the upper portion of the fixing plate through the upright fixing groove formed on the base plate and then the mortar is filled on the upright fixing groove to fix the lower end of the first column body on the base concrete Process.

Further, after the step of forming the first ceiling slab, the upper surface of the second column body provided on the upper portion of the column is provided with a through hole having an opening smaller than the area of the second column body at the center, A second non-flat plate slab seat fixing step of fixing the second flat plate slab to be seated; A precast concrete girder fixing step of fixing both ends of the precast concrete girder between the adjacent second non-flat plate slabs at a predetermined interval on the foundation concrete; A precast concrete panel fastening step for fastening and fixing the precast concrete panels so that the precast concrete panels are arranged in the longitudinal direction of the precast concrete girders; And a second column body, a second flat plate slab, a precast concrete girder, and a precast concrete panel, and a second ceiling slab is formed by pouring and curing the on- A ceiling slab forming step is further performed.

Further, the securing and securing step of securing the second flat plate slab may include a step of fixing the second flat plate slab to the second column main body provided on the upper part of the column with a square- And a step of securing the two flat plate slabs on the upper surface of the second column body so that the main bars are inserted into the insertion holes.

Effects of the construction structure of the building using the precast concrete column, the precast concrete non-flat plate slab and the precast concrete girder according to the present invention and the construction method thereof will be described below.

First, a fixing hole is formed around the guide hole formed at the center of the first flat plate slab and a through hole or an insertion hole is formed at the center of the second flat plate slab, so that the first and second flat plate slabs can be easily fixed Accordingly, the construction of the building through the flat plate structure can be facilitated, and the construction period of the building can be remarkably shortened.

Second, by applying the pre-cast concrete girder with insulation between the upper reinforcing ribs, it is possible to improve the interlayer insulation effect and reduce the interlayer noise transmission without requiring additional insulation and noise reduction after construction of the ceiling slab have.

Third, an upright fixing groove is formed at the bottom edge of the precast concrete column, and a fixing plate is embedded and fixed so that the bottom surface thereof coincides with the lower end of the first column body by the anchor bar on each side of the facing upright fixing groove, The lower end of the precast concrete column can be stably and firmly fixed to the bottom of the foundation concrete by being fixed by fastening with an anchor bolt buried and protruded on the bottom of the foundation concrete by a nut through a fastening hole formed on both sides of the foundation concrete.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a cross-sectional view showing a construction structure of a building using a pre-cast concrete column, a precast concrete non-flat plate slab, and a precast concrete girder according to the present invention.
FIG. 2 is a cross-sectional view showing the construction of the lower end portion of the first column body in the construction structure of the building using the precast concrete column, the precast concrete non-flat plate slab, and the precast concrete girder according to the present invention.
Fig. 3 is a bottom view showing the bottom structure of the first column body of Fig. 2; Fig.
FIG. 4 is a perspective view showing a fixing plate and an anchor bar provided at a lower portion of the first column body in FIG. 2. FIG.
FIG. 5A is a perspective view showing a first flat plate slab in a construction structure of a building using a precast concrete column, a precast concrete non-flat plate slab, and a precast concrete girder according to the present invention. FIG.
Fig. 5B is a perspective view showing another embodiment of the reinforcing bar projecting structure for the first flat plate slab of Fig. 5A. Fig.
FIG. 6A is a perspective view showing a second flat plate slab, which is a main part of a construction structure of a building using a precast concrete column, a precast concrete non-flat plate slab, and a precast concrete girder according to the present invention.
Fig. 6B is a perspective view showing another embodiment of the reinforcing bar projecting structure for the second flat plate slab of Fig. 6A. Fig.
FIG. 7 is a perspective view showing another embodiment of a second flat plate slab, which is a main part in a construction structure of a building using a precast concrete column, a precast concrete non-flat plate slab, and a precast concrete girder according to the present invention.
FIGS. 8 to 10 are views showing a sash construction, a section structure and a side section structure of a pre-cast concrete girder which is a main part of a construction structure using a precast concrete column, a precast concrete slab and a precast concrete girder according to the present invention Fig.
FIG. 11A is a view showing the construction of a precast concrete concrete girder according to the present invention, in which the first and second asphalt slabs of FIGS. 5A and 6A are applied, a precast concrete slab and a precast concrete girder, Fig.
FIG. 11B is a view showing a structure of a precast concrete concrete girder according to the present invention, in which the first and second flat plate slabs of FIGS. 5B and 6B are applied, a precast concrete plate slab and a precast concrete girder, Fig.
12 is a construction flowchart showing a construction method of a building using a precast concrete column, a precast concrete non-flat plate slab, and a precast concrete girder according to the present invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, preferred embodiments of a construction method of a building using precast concrete columns, a precast concrete non-flat plate slab and a precast concrete girder according to the present invention and a construction method thereof will be described in detail with reference to the accompanying drawings.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a cross-sectional view showing a construction structure of a building using precast concrete columns, precast concrete non-flat plate slabs, and precast concrete girders according to the present invention.

FIG. 2 is a cross-sectional view showing the construction of the lower end portion of the first column body in the construction structure of the building using the pre-cast concrete column, the precast concrete non-flat plate slab, and the precast concrete girder according to the present invention, 2 is a bottom view showing the bottom structure of the first column main body. FIG. 4 is a perspective view showing the fixing plate and the anchor bar provided at the bottom of the first column main body in FIG.

FIG. 5A is a perspective view showing a first flat plate slab in a construction of a building using a precast concrete column, a precast concrete non-flat plate slab, and a precast concrete girder according to the present invention, and FIG. FIG. 8 is a perspective view showing another embodiment of the reinforcing bar projecting structure for the first flat plate slab. FIG.

FIG. 6A is a perspective view showing a second flat steel slab, which is a substantial part of a construction structure of a building using precast concrete columns, precast concrete non-flat plate slabs and precast concrete girders according to the present invention, FIG. FIG. 5 is a perspective view showing another embodiment of the reinforcing bar projecting structure for the second flat plate slab. FIG.

FIG. 7 is a perspective view showing another embodiment of a second unweighted slab, which is a main part in a construction structure of a building using a precast concrete column, a precast concrete non-flat plate slab, and a precast concrete girder according to the present invention.

FIGS. 8 to 10 are views showing a sash construction, a section structure, and a side section structure of a precast concrete girder which is a main component of a construction structure using a precast concrete column, a precast concrete slab and a precast concrete girder according to the present invention Fig.

FIG. 11A is a view showing the construction of a precast concrete concrete girder according to the present invention, in which the first and second asphalt slabs of FIGS. 5A and 6A are applied, a precast concrete slab and a precast concrete girder, Fig. 11B is a view showing an arrangement of girders in which the first and second flat plate slabs of Figs. 5B and 6B are applied, the pre-cast concrete slabs according to the present invention, the precast concrete flat slabs and the precast concrete girders Fig. 8 is a view showing an example of arrangement of girders showing an arrangement of precast concrete girders in a construction structure of a building using the method of the present invention.

FIG. 12 is a construction flowchart showing a construction method of a building using precast concrete columns, precast concrete non-flat plate slabs, and precast concrete girders according to the present invention.

As shown in FIGS. 1 to 12, the construction structure of the building using the precast concrete column, the precast concrete non-flat plate slab, and the precast concrete girder according to the preferred embodiment of the present invention is broadly divided into precast concrete columns 200 A first non-flat plate slab 300, a second flat plate slab 400, and a precast concrete girder 500.

Specifically, the precast concrete column 200 has a plurality of main ropes 230 embedded in the first pillar main body 210 and the second pillar main body 220 and has a predetermined distance from the main rope 230 And the main stem 230 protrudes upward from the upper surface of the second pillar body 220 by a predetermined length.

In other words, the first pillar main body 210 has a lower end fixedly mounted on the foundation concrete 100 forming the bottom of the building, and the second pillar main body 220 has a plurality of And is connected to the upper portion of the first pillar body 210 by a buried main pole 230 extending upwardly and protruding upward from the upper end of the main pole 230 by a predetermined length.

The column 200 is manufactured by a pre-casting method. In particular, an extension 211 is formed at an upper end of the first column body 210 to extend a predetermined outward area.

A guide hole 310 corresponding to the outer surface of the second pillar body 220 is formed at the center so as to be inserted from the upper end of the second pillar main body 220 through the first flat plate slab 300.

That is, the first flat plate slab 300 is inserted and guided along the outer surface of the second column body 220 of the column 200 by the guide hole 310, And is fixed on the upper surface of the portion 211.

5A, the centerless bottom surface of the second flat plate slab 400 is seated and fixed to the upper end of the second column main body 220, A through hole 410 is formed at the center of the through hole 410 in an area smaller than the area of the second pillar body 220. The through hole 410 is formed on the upper surface of the through hole 410 at a predetermined distance from the upper end of the through hole 410, It is preferable that the connection reinforcing bars 430 are formed upwardly protruding.

5B, the second flat plate slab 400 may have a second auxiliary shear connection reinforcing bar 430 corresponding to the second shear connection reinforcing bar 430 at an upper edge corner thereof, 430 'may be further upwardly protruded.

7, the second flat plate slab 400 has a central portion on the upper surface of the second pillar body 220 so as to be seated on the upper end of the second pillar body 220, The insertion holes 450 may be formed in a square shape corresponding to the main protrusions 230 protruding upward from the upper surface of the main body 230. Referring to FIG.

The precast concrete girders 500 are arranged on the foundation concrete 100 at regular intervals and are connected to each other to form a first ceiling slab S1 and a second ceiling 200. [ The upper end of the first flat plate slab 300 or the upper flat plate of the second flat plate slab 400 is fixed to the upper end of the first flat plate slab 300 in the longitudinal direction so as to form the slab S2, It is preferable that the heat insulating material 520 is insert-molded between the heat insulating member 510 and the heat insulating member 520.

Accordingly, after the first ceiling slab S1 and the second ceiling slab S2 are installed, it is possible to increase the inter-layer insulation effect and reduce the interlayer noise transmission without requiring additional heat insulation and noise reduction addition work .

11, the precast concrete girder 500 is fixed to the center and the upper end of each precast concrete column 200 installed at a predetermined interval on the upper surface of the foundation concrete 100, The first or second flat plate slab 300 or the second flat plate slab 400 may be fixed to each of the columns 200 so as to be spaced apart from the first flat plate slab 300 or the second flat plate slab 400, It is preferable that alignment grooves 550 are formed on both side edges of one end in the longitudinal direction so that both ends in the longitudinal direction can be stably fixed without mutual interference between the alignment grooves.

The pre-cast concrete slabs 300 having both ends fixed in the longitudinal direction and fixed to the center and upper ends of the plurality of pre-cast concrete columns 200 are fixed to the first and second flat slabs 300, The pre-cast concrete panel 600 is hung and fixed between the girders 500 in the longitudinal direction between the neighboring precast concrete girders 500.

Therefore, the first concrete slab S1 or the second concrete slab S2 can be installed by placing the concrete concrete on top of the precast concrete panel 600 after fixing the concrete.

Meanwhile, in the construction structure of the building using the precast concrete column, the precast concrete non-flat plate slab, and the precast concrete girder according to the present invention as described above, the first pillar body 210 is formed on the upper surface The fixed anchors 212 are protruded at regular intervals along the circumference.

The first flat plate slab 300 is formed with a fixing hole 320 through which the fixed anchor 212 is inserted and fixed along the circumference of the guide hole 310.

Therefore, the fixing hole 320 is inserted into the fixing anchor 212 to stably fix the fixing plate 320 on the upper surface of the extension 211 of the first column body 210 with respect to the first flat plate slab 300 Can be achieved.

The first flat plate slab 300 is formed on the upper surface of the first flat plate slab 300 such that the first shear connection reinforcing bar 330 protrudes upward from the upper end of the guide hole 310 at a predetermined interval.

Further, the first flat plate slab 300 has a first auxiliary shear connection reinforcing bar 330 'at the upper edge corner thereof, corresponding to the first shear connection reinforcing bar 330, It is preferable that the projections are formed.

The lower end of the first pillar body 210 is connected to the bottom of the foundation concrete 100 so that the first pillar body 210 of the pillar 200 is fixedly installed on the foundation concrete 100. [ It is preferable that the foundation concrete 100 is fixed on the upper surface of the first pillar main body 210 so that the anchor bolt 120 protrudes upward.

The first column main body 210 has spacers S interposed therebetween for adjusting the height between the lower end center and the upper surface of the foundation concrete 100, and the lower end is primarily fixed by mortar filling.

Thereafter, the first pillar body 210 is provided with a fastening and fixing member 215 corresponding to a pair of the standing-up fixing grooves 213 on both sides of the bottom surface of the rising trough 213 formed in the bottom edge thereof, The upper end of the anchor bolt 120 protruded upward from the upper surface of the foundation concrete 100 is fastened and fixed by the fastening and fixing member 215 and the nut N and then the mortar is filled with the lower end of the foundation concrete 100, And is fixedly installed in the secondary.

The fastening and fixing member 215 includes an anchor bar 216 fixed to an upper end of the first pillar body 210 by a predetermined length and an upper end fixed to the upper surface of the anchor bar 216, The anchor bolts 120 protruded upward from the upper surface of the foundation concrete 100 are inserted into the fixing plates 217 at both sides of the fixing plate 217 to be fastened by the nuts N, (217a) is formed to pass through.

Further, the first column main body 210 has a spacer S for adjusting the height between the lower end central portion and the upper surface of the foundation concrete 100, and the lower end is primarily fixed by mortar filling, And a height adjusting nut 125 is fastened to a predetermined height above the anchor bolt 120. The height adjusting nut 125 is inserted into the height adjustment nut 125, The lower end of the first pillar body 210 may be primarily fixed by adjusting the height of the lower end of the first pillar body 210 so that the upper end of the first pillar body 210 coincides with the upper end of the spacer S will be.

That is, the height adjustment nut 125 is in close contact with the bottom surface of the fixing plate 217 of the fastening and fixing member 215 so that the height of the edge of the bottom surface of the first pillar body 210, (S).

As described above, since the first column main body 210 is double-fixed on the foundation concrete 100, the lower end of the precast concrete column 200 can be stably and firmly fixed to the bottom of the foundation concrete 100 .

Meanwhile, in the construction structure of a building using the pre-cast concrete column, the precast concrete non-flat plate slab, and the precast concrete girder according to the present invention as described above, the second column body 220 has the end portions It is preferable that the lower end is formed so as to be inclined from the bottom center toward the bottom.

That is, the contact area with the on-site concrete to be installed when the on-site concrete is laid for forming the first ceiling slab S1 is widened. In other words, the bottom surface of the second pillar main body 220 is positioned on the first ceiling slab The bottom surface of the second pillar body 220 and the first ceiling slab S1 can be firmly joined to each other by the curing of the on-site concrete for forming the slab S1.

In addition, the first flat plate slab 300 may be further provided with concavities and convexities (not shown) in which the crests and valleys are repeated in the longitudinal direction or the width direction on the upper surface. When the convexo-concaves (not shown) The upper surface of the first flat plate slab 300 and the first ceiling slab S1 can be firmly joined to each other by the curing of the on-site concrete for forming the slab S1.

Of course, concave and convex (not shown) may be further formed on the upper surface of the second flat plate slab 400.

Further, the first flat plate slab 300 and the second flat plate slab 400 may be formed as rough surfaces, that is, irregular irregularities with respect to the upper surface.

In addition, although the first and second flat plate slabs 300 and 400 have been described as having a rectangular plate shape, the first flat plate slabs 300 and the second flat plate slabs (400) may be provided in a polygonal or circular plate shape having a certain thickness in addition to a rectangular plate shape.

According to the construction structure of the building using the precast concrete column, the precast concrete non-flat plate slab, and the precast concrete girder according to the present invention as described above, The first and second flat plate slabs 300 and 400 are formed by forming the fixing holes 320 around the second flat plate slabs 310 and forming the through holes 410 or the insertion holes 450 at the center of the second flat plate slabs 400. [ The construction of the building through the flat plate structure can be easily performed and the construction time of the building can be remarkably shortened.

Further, by applying the precast concrete girder 500 in which the heat insulating material 520 is insert-molded between the upper reinforcing ribs 510 protruding from the upper surface, the first and second ceiling slabs S1 and S2 are separately It is possible to increase the interlayer insulation effect and reduce the interlayer noise transmission without requiring further insulation and noise reduction.

The anchor bars 216 may be formed at the lower edge of the precast concrete column 200 to have the rising and retreating grooves 213 at the respective opposite sides of the rising and retreating grooves 213 facing each other, The fixing plate 217 is embedded and fixed so as to coincide with the lower end of the first column main body 210 and the nut 21 is fixed to the base concrete 210 by a nut N through a fastening hole 217a formed on both sides of the fixing plate 217, 100, the bottom of the precast concrete column 200 can be stably and firmly fixed to the bottom of the foundation concrete 100 by being fastened with the anchor bolts 120 projected and embedded on the floor.

Hereinafter, a construction method of a building using a precast concrete column, a precast concrete non-flat plate slab, and a precast concrete girder according to the present invention will be described with reference to FIG.

First, the construction method of the building using the precast concrete column, the precast concrete non-flat plate slab, and the precast concrete girder includes the steps of forming the foundation concrete (S100), fixing the column bottom (S110), fixing the first flat plate slab S120), a precast concrete girder fixing step S130, a precast concrete panel fastening step S140, and a first ceiling slab forming step S150.

Here, the concrete forming step S100 may include forming a perforation hole 110 at regular intervals in a square shape for fixing the lower end of the column 200 after placing and curing the concrete on the bottom of the terrace to form the floor of the building And filling the anchor bolt 120 with mortar so that the anchor bolt 120 is protruded by a predetermined length on the perforation hole 110.

The column bottom fixing step S110 is a step of moving the column 200 by a crane to form a first column on the foundation concrete 100 to fix the lower end of the first column body 210 of the column 200, And fixing the lower end of the column 200 to the lower end fixing process S111 and the second column lower end fixing process S112 for fixing the lower end of the first column main body 210 to the second end.

At this time, in the step of fixing the column bottom (S110), the step of fixing the first column bottom (S111) includes a step of interposing a spacer (S) between the lower surface of the first column main body (210) and the upper surface of the foundation concrete The anchor bolts 120 of the foundation concrete 100 are inserted into the fastening holes 217a on the fixing plate 217 provided at the lower part of the first column main body 210 and then charged with the mortar, 210) on the foundation concrete (100).

Particularly, the above-mentioned first column lower end fixing process S111 is performed such that the spacers S are interposed between the lower surface of the first pillar body 210 and the upper surface of the foundation concrete 100, The upper end of the height adjusting nut 125 may be aligned with the upper end of the spacer S by further tightening the height adjusting nut 125 so as to be positioned at the upper predetermined height, The anchor bolts 120 of the foundation concrete 100 are inserted into the fastening holes 217a on the fixing plate 217 provided at the lower portion and then filled with mortar so that the lower end of the first column body 210 is inserted into the foundation And fixing it on the concrete 100.

The upper end of the height adjusting nut 125 is aligned with the upper end of the spacer S by further tightening the height adjusting nut 125 so as to be positioned at a predetermined height above the anchor bolt 120, The height of the lower end edge of the first column main body 210 can be adjusted to match the height of the spacer S. [

The second column lower end fixing process S112 after the first column lower end fixing process S111 is performed through the fixing nails 213 formed on the bottom edge of the first column main body 210, Is fixed to the anchor bolt 120 protruding to the upper portion of the fixing plate 217 and then the mortar is filled on the rising fixing groove 213 so that the lower end of the first pillar body 210 is inserted into the base concrete (100). ≪ IMAGE >

The step S120 of fixing the first flat plate slab is guided by the outer surface of the second column main body 220 of the column 200 so that the outer bottom surface of the guide hole 310 of the first flat plate slab 300 A fixed anchor 212 protruding from the upper surface of the extended portion 211 of the first column main body 210 and protruding from the extended portion 211 is inserted into the fixing hole 320 formed through the guide hole 310 So as to be seated and fixed.

The pre-cast concrete girder fixing step S130 may include fixing the both ends of the precast concrete girder 500 between the adjacent first non-flat plate slabs 300 at predetermined intervals on the foundation concrete 100, And a step of fastening and fixing.

The precast concrete panel panel fastening step S140 includes a step of fastening and fixing the precast concrete panels 600 in a longitudinal direction of the precast concrete girder 500 so that the precast concrete panels 600 are arranged in a plurality of directions.

In addition, the first ceiling slab forming step S150 may include a step of forming a first ceiling slab 120 on an upper portion of the first column main body 210, the first flat plate slab 300, the precast concrete girder 500 and the precast concrete panel 600 And a step of forming a first ceiling slab S1 by placing and curing the on-site concrete after the foundation 700 is connected to the foundation.

In addition, after the first ceiling slab forming step S150, the securing step S160, the precast concrete girder fixing step S170, the precast concrete panel stabilizing step S180, And a second ceiling slab forming step (S190) is further performed.

The step of securing the second flat plate slab S160 may be performed by inserting a through hole 410 having a smaller area than the area of the second pillar main body 220 at the upper end of the second pillar main body 220 provided at the upper part of the pillar 200, And fixing the outer bottom surface of the through hole 410 of the second unloaded plate slab 400 to the center.

Of course, the securing and securing step S260 of securing the second flat plate slab may correspond to the main shaft 230 protruding upward in a square form around the upper surface of the second column body 220 provided at the upper part of the column 200, The second flat plate slab 400 having a square shape and an insertion hole 450 formed through the flat plate is inserted into the insertion hole 450 so that the main bar 230 is inserted into the upper surface of the second column body 220 And fixing it so as to be seated.

The pre-cast concrete girder fixing step S170 may be performed by fixing both ends of the precast concrete girder 500 between the adjacent second non-flat plate slabs 400 at a predetermined interval on the foundation concrete 100 And a step of fastening and fixing.

The precast concrete panel panel fastening step S180 includes a step of fastening and fixing the precast concrete panel 60 so that the precast concrete panels 60 are arranged in the longitudinal direction of the precast concrete girder 500. [

Finally, the second ceiling slab forming step S190 is performed on the upper part of the second column main body 220, the second flat steel slab 400, the precast concrete girder 500, and the precast concrete panel 600 And a step of forming a second ceiling slab (S2) by placing and curing the site concrete after connecting the exhaust rods (700).

According to the construction method of the building using the precast concrete column, the precast concrete non-flat plate slab, and the precast concrete girder as described above,

A fixing hole 320 is formed around the guide hole 310 formed at the center of the first flat plate slab 300 and a through hole 410 or an insertion hole 450 is formed at the center of the second flat plate slab 400 The first and second flat plate slabs 300 and 400 can be easily fixed and fixed. Accordingly, the construction of the building through the flat plate structure can be easily performed, and the construction time of the building can be remarkably improved Can be shortened.

Further, by applying the precast concrete girder 500 in which the heat insulating material 520 is insert-molded between the upper reinforcing ribs 510 protruding from the upper surface, the first and second ceiling slabs S1 and S2 are separately It is possible to increase the interlayer insulation effect and reduce the interlayer noise transmission without requiring further insulation and noise reduction.

The upright fixing groove 213 is formed on the bottom edge of the precast concrete column 200 and the bottom surface of the upright fixing groove 213 is formed on each side of the facing upright fixing groove 213 by the anchor bar 216, The fixing plate 217 is embedded and fixed so as to coincide with the lower end of the first column main body 210 and the nut 21 is fixed to the base concrete 210 by a nut N through a fastening hole 217a formed on both sides of the fixing plate 217, The lower end of the precast concrete column 200 can be stably and firmly fixed to the bottom of the foundation concrete 100 by applying a structure that is fixed by fastening with an anchor bolts 120 projected and embedded on the floor of the foundation concrete 100 .

The reference numeral 800 denotes a jack support. The jack support 800 supports a bottom edge portion of the first flat plate slab 300 or the second flat plate slab 400, Fig.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, the invention is not limited thereto. Various modifications may be made by those skilled in the art. Are included in the scope of the present invention.

100: foundation concrete
110: Perforation hole 120: Anchor bolt
125: Height adjustment nut
200: Column
210: first column body 211:
212: fixed anchor 213:
215: fastening and fixing member 216: anchor bar
217: Fixing plate 217a: Fastening hole
220: second pillar body 230: main pillar
300: first flat plate slab
310: Guide ball 320: Fixing hole
330: first shear connection reinforcement 330 ': first auxiliary shear connection reinforcement
400: second non-flat plate slab
410: through hole 430: second shear connection reinforcing member
430 ': second auxiliary shear connection reinforcement 450: insertion hole
500: girder
510: Upper reinforcing rib 520: Insulation
550: Alignment groove
600: Panel
700:
800: Jack support
S: Spacer
S1: first ceiling slab S2: second ceiling slab
N: Nut

Claims (16)

A first column main body 210 having a lower end fixedly installed on a foundation concrete 100 forming a floor of a building and a plurality of main pillars 230 embedded in the first column main body and protruding upwardly, And a second pillar body 220 connected to an upper portion of the pillar body 210 and having the main shaft 230 protruded by a predetermined length upward from the upper end thereof. A precast concrete column 200 having an extension 211 formed by extending a predetermined outward area;
A guide hole 310 corresponding to the outer surface of the second pillar main body 220 is formed at the center so as to be inserted from the upper end of the second pillar main body 220, A first flat plate slab 300 fixed on the upper surface;
A second flat plate slab (400) which is fixedly seated on an upper end of the second column main body (220); And
The first and second ceiling slabs S1 and S2 may be formed by connecting a plurality of adjacent pillars 200 at regular intervals on the foundation concrete 100 so as to form the first ceiling slab S1 and the second ceiling slab S2. The heat insulating material 520 is inserted between the upper reinforcing ribs 510 protruded upward from the upper surface of the first flat plate slab 300 or the upper surface of the end portion of the second flat plate slab 400, A construction structure of a building using precast concrete columns, precast concrete slabs and precast concrete girders including precast concrete girders (500) to be formed.
The method according to claim 1,
The first column main body 210 has fixing anchors 212 protruding at regular intervals along the upper surface of the extension 211,
Wherein the first flat plate slab (300) is formed with a fixing hole (320) through which the fixing anchor (212) is inserted and fixed along the circumference of the guide hole (310). The pre - cast concrete column Construction Structure of Building using Free Plate Slab and Precast Concrete Girder.
3. The method of claim 2,
Wherein the first flat plate slab (300) is formed on the upper surface of the guide hole (310) with a predetermined distance from the upper end of the guide hole (310) and the first shear connection reinforcing bar (330) is protruded upward. Construction Structure of Building using Free Plate Slab and Precast Concrete Girder.
The method of claim 3,
The first non-flat plate slab 300 has a first auxiliary shear connection reinforcing bar 330 'protruding upward at a predetermined distance from the outer end of the first flat plate slab 300 in correspondence with the first shear connection reinforcing bar 330 at an upper corner thereof The construction of a building using precast concrete columns, precast concrete slabs and precast concrete girders.
The method according to claim 1,
The second flat plate slab 400 has a through hole 410 at an area smaller than the area of the second pillar body 220 at the center so that the center bottom face can be seated on the upper end of the second pillar body 220. [ And a second shear connection reinforcing bar (430) upwardly protruding from the upper surface of the through hole (410) at a predetermined distance from the upper end of the through hole (410). The pre-cast concrete column, the precast concrete flat plate slab, Construction Structure of Building using Concrete Girder.
6. The method of claim 5,
The second flat plate slab 400 has a second auxiliary shear connection reinforcing bar 430 'protruding upward from the outer end of the second flat plate slab 400 at a predetermined distance from the outer end of the second flat plate slab 400 in correspondence with the second shear connection reinforcing bar 430 The construction of a building using precast concrete columns, precast concrete slabs and precast concrete girders.
The method according to claim 1,
The second flat plate slab 400 has a center main floor 220 and a second main floor 220. The second flat floor slab 400 has a center main floor 220, And a plurality of insertion holes 450 are formed in a square shape at predetermined intervals in correspondence with the pre-cast concrete slabs and pre-cast concrete slabs and precast concrete girders.
The method according to claim 1,
The bottom of the first pillar main body 210 is fixed to the upper surface of the foundation concrete 100. The foundation concrete 100 is supported on the upper surface of the first pillar main body 210 by the anchor bolts 120 Is upwardly protruded upward,
The first column main body 210 has a spacer S interposed therebetween for adjusting the height between the lower end center and the upper surface of the foundation concrete 100. The lower end is primarily fixed by mortar filling, And a fastening fastening member 215 corresponding to each pair of the standing fastening grooves 213 on both sides of the bottom of the standing fastening groove 213. The fastening fastening member 215 and the nut N constitute the base concrete Wherein an upper end of the anchor bolt (120) protruded upward from an upper surface of the foundation concrete (100) is fastened and fixed, and a lower end is secondarily fixed to the upper surface of the foundation concrete (100) by filling the mortar. Construction Structure of Building using Concrete Flat Plate Slab and Precast Concrete Girder.
9. The method of claim 8,
The fastening and fixing member 215 includes an anchor bar 216 having an upper end fixedly embedded in the bottom surface of the first pillar main body 210 and a lower end of the anchor bar 216, Wherein the fixing plate 217 has fixing holes 217a and 217a on both sides of which the anchor bolts 120 protruded upward from the upper face of the foundation concrete are inserted and fixed by the nuts N, ) Is formed through a precast concrete column, a precast concrete slab, and a precast concrete girder.
10. The method of claim 9,
The lower end of the first column main body 210 is primarily fixed by mortar filling with a spacer S interposed therebetween for height adjustment between the lower end center and the upper surface of the foundation concrete 100,
The height adjustment nut 125 is fastened to a predetermined height above the anchor bolt 120 after the spacer S is inserted and the center of the lower end of the first column body 210 is seated, The lower end of the first pillar body 210 is fixed primarily by adjusting the height of the lower end of the first pillar body 210 so that the upper end of the first pillar body 125 coincides with the upper end of the spacer S, The construction of a building using precast concrete columns, precast concrete slabs and precast concrete girders characterized by installed.
The method according to claim 1,
The precast concrete girder 500 includes a plurality of first precursor concrete slabs 300 that are fixed to the center and an upper end of each precast concrete column 200 installed at a predetermined interval on the upper surface of the precursor concrete 100, ) Or the second unscreened plate slab (400) is fixed to each of the columns (200) so that the first unscreened plate slab (300) or the second unscreened plate slab (400) And an alignment groove (550) is formed at both edges of one end in the longitudinal direction so that both ends in the longitudinal direction can be fixedly secured to the structure without using the precast concrete slab and the precast concrete girder. Construction structure.
12. The method according to any one of claims 1 to 11,
Wherein the first flat plate slab (300) and the second flat plate slab (400) are provided in a polygonal or circular plate shape having a predetermined thickness. The pre-cast concrete column, the precast concrete flat plate slab, Construction structure of a building using a girder.
After the concrete is cured and cured to form the floor of the building, a perforation hole 110 is formed at regular intervals in a square shape for fixing the lower end of the column 200, and anchor bolts (S100) in which mortar is filled and fixed so as to protrude a predetermined length at an upper end of the foundation (120);
A first column lower end fixing step S111 for fixing the lower end of the first column main body 210 of the column 200 on the foundation concrete 100 by moving the column 200 with a crane, A step S110 of fixing the lower end of the column 200 to fix the lower end of the column 200 as a double step of fixing the lower end of the main body 210 to the second end of the second column;
The outer bottom surface of the guide hole 310 of the first flat plate slab 300 is guided by the outer surface of the second column main body 220 of the column 200 to the upper surface of the extended portion 211 of the first column main body 210 And a fixed anchor 212 protruded on the extension 211 is inserted into a fixing hole 320 formed through the guide hole 310 to be seated and fixed, Step S120;
A precast concrete girder fixing step S130 for fixing both ends of the precast concrete girder 500 between the adjacent first non-flat plate slabs 300 at predetermined intervals on the foundation concrete 100;
A precast concrete panel fastening step S140 for fastening and fixing the precast concrete panels 600 so that the precast concrete panels 600 are arranged in a plurality of lengthwise directions of the precast concrete girders 500; And
The reinforcing bars 700 are connected to the upper part of the first pillar main body 210, the first flat plate slab 300, the precast concrete girder 500 and the precast concrete panel 600, And a first ceiling slab forming step (S150) for forming a first ceiling slab (S1) by pouring and curing the precast concrete slab (S150), and a method of constructing a building using precast concrete slabs and precast concrete girders .
14. The method of claim 13,
In the lower column bottom fixing step S110, the first column bottom fixing process S111 is performed by interposing a spacer S between the lower surface of the first column main body 210 and the upper surface of the foundation concrete 100, The anchor bolts 120 of the foundation concrete 100 are inserted into the fastening holes 217a on the fastening plate 217 provided at the lower portion of the main body 210 and then the mortar is filled, And fixing the bottom of the foundation concrete 100 on the foundation concrete 100,
The second column lower end fixing process S112 is a process of fixing the nut N to the upper portion of the fixing plate 217 through the rising fixing groove 213 formed in the bottom edge of the first column body 210 And fixing the lower end of the first pillar main body 210 on the foundation concrete 100 by filling the mortar on the rising pillar 213 after the pillar 120 is fastened to the anchor bolt 120. [ Precast Concrete Columns and Precast Concrete Construction Method of Building using Plate Slab and Precast Concrete Girder.
14. The method of claim 13,
After the first ceiling slab forming step (S150)
A second unloaded plate slab 400 having a through hole 410 formed at the center of the second columnar body 220 at an upper portion of the column 200 and having a smaller area than the second columnar body 220, (S160) a second flat plate slab fixing step (S160) for fixing the outer bottom surface of the through hole (410) so as to be seated;
A precast concrete girder fixing step S170 for fixing both ends of the precast concrete girder 500 between the adjacent second non-flat plate slabs 400 at a predetermined interval on the foundation concrete 100;
A precast concrete panel sandwiching and fixing step S180 for stably fixing the precast concrete panel 60 in a plurality of arrangements in the longitudinal direction of the precast concrete girder 500; And
The reinforcing bars 700 are connected to the upper portions of the second pillar main body 220, the second flat steel slabs 400, the precast concrete girders 500, and the precast concrete panels 600, And a second ceiling slab forming step (S190) of forming a second ceiling slab (S2) by placing and curing the precast concrete slab (S290). .
16. The method of claim 15,
The step S260 of securing and securing the second flat plate slab is carried out in such a manner that the main pole 230 protruding upward in a square shape is formed around the upper surface of the second pole body 220 provided at the upper portion of the pole 200, The second flat plate slab 400 having the insertion holes 450 formed at predetermined intervals is inserted into the insertion holes 450 so as to be seated on the upper surface of the second column body 220 Wherein the pre-cast concrete slabs and pre-cast concrete slabs are pre-cast concrete slabs and pre-cast concrete slabs.

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