KR100975649B1 - Waterproof joint apparatus for building concrete - Google Patents

Abstract

PURPOSE: A waterproof joint device for a building is provided to stably maintain the upright state of the device by forming side support parts in both sides of the device and to reduce material costs required for filling a hollow. CONSTITUTION: A waterproof joint device(10) for a building comprises a body part(20), a bottom part(50), a waterproof part(40), and side support parts(30). A protrusion part is formed in one end of the body part, and a coupling groove(25) is formed in the other end. The bottom part is integrally formed in the body part and is inserted into a first concrete part(71). The waterproof part is integrally formed in the body part and is arranged crossing the bottom part of a second concrete part. The side support parts are integrally formed in both sides of the body part and are placed on the top of the first concrete part.

Description

Waterproof joint apparatus for building concrete

The present invention relates to a concrete waterproof joint for construction, and more particularly, to a concrete waterproof joint for construction that provides a more convenient and efficient waterproof effect.

In general, reinforced concrete structures such as building structures are made by reinforcing steel and concrete integrally, and form the formwork on the left and right around the reinforcing bars arranged in the construction of the structure to determine the thickness of the outer wall and cast concrete inside the formwork. I was building the outer wall.

In addition, when constructing a large structure of a predetermined height or more, after forming the formwork, the concrete is poured into the formwork and cured, and then the frame is formed again on the structure to lay the secondary concrete in a stacking type concrete structure having a certain height Repeat the process.

In this process, as the concrete for forming the secondary structure is stacked on the upper part of the primary structure in which curing is completed or hardened, the physical state is different between the primary structure and the secondary structure, and in the curing process Due to the generated latence, the concrete laminated boundary part is generated. For this reason, there is a problem in that the tight adhesion between the concrete is inhibited in the laminated boundary portion, and small gaps are generated, and when the rainwater with a storm is applied to the outer wall surfaces, the rainwater leaks through the gap.

In order to solve this problem, in the past, a waterproofing agent was applied to the interlayer joint by applying a line to the outer wall, but it was difficult to expect a stable waterproof effect because the working process was not dangerous and efficient.

In addition, in the case of an underground structure, the index plate was plugged in before the curing of the upper part of the structure to achieve a waterproof effect, but the connection work connecting these index plates is difficult and time-consuming, there was a problem that the groundwater penetration through the connection occurs.

The present invention is to solve the above problems to provide a waterproof concrete joint for construction that provides a more convenient and efficient waterproof effect.

In order to solve the above problems, the present invention is formed extending in the longitudinal direction, one end is formed with a projection and the other end is formed with a coupling groove that can be fixed to the projection is formed; A lower end extended integrally with the body part and extended downward to be inserted into a first-stage concrete stacking part; Extruded integrally with the body portion is formed extending upward to be disposed across the lower end of the two-stage concrete laminate, each of the two ends are joined together along the joining direction of the protrusion and the coupling groove and overlap each other overlapping for waterproof The stepped joints alternately arranged to form a waterproof part and the reinforcing fixing parts integrally disposed to face each other with a space equal to the thickness of the stepped joints are overlapped in contact with the outer surface of the overlapping waterproof part to form a tight fit. Waterproof part; Extruded integrally with the body portion, it is formed extending in both sides at a predetermined interval to provide an interlayer waterproof joint device for building comprising a side preventive paper portion seated on the upper surface of the first-stage concrete laminate.

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In addition, it is preferable that a plurality of recessed grooves are formed along the longitudinal direction on both outer surfaces of the body part so that the concrete of the first-stage concrete laminate part is embedded and fixed.

On the other hand, the coupling groove is formed to extend to the rear end of the protruding portion in the longitudinal direction of the body portion, the body portion is preferably hollow, preferably made of synthetic rubber material.

Through the above solution of the present invention provides the following effects.

First, the building interlayer waterproof joint device is integrally formed by extrusion and is interconnected and fixed between each device through the coupling between the protrusion and the coupling groove formed at the end thereof, so that the installation work is simple, and the side prevention paper parts are formed on both sides to protrude from the side. It is possible to keep the upright state stably without tilting.

Second, since the interior of the body part constituting the building interlayer waterproof joint device is substantially hollow, it is easy to bend at a right angle and the material cost required to fill the hollow part can be reduced.

Third, in the case of interconnecting the building interlayer waterproofing joint device, the stepped joints provided at both ends of the waterproofing portion of the adjacent building interlayer waterproofing joint device are mutually matched and a part thereof is overlapped to increase the waterproofing effect of the connecting portion. Can be.

Fourth, when the stepped coupling between the stepped joints to maintain a fixed state by the tight fitting by the reinforcement fixing part, even if the end of the building interlayer waterproof joint device for bending and connecting the end with the other building interlayer waterproof joint device The released state can be prevented from being released by the remaining elastic restoring force.

Fifth, since the reinforcing fixing parts are respectively provided on the inner side and the outer side of the coupling portion of the stepped fitting portion provided at both ends of the waterproof portion, it is possible to further improve the waterproofness of the coupling portion.

Sixth, when the concrete is embedded in the recess groove formed on both sides of the body portion and hardened through curing and drying process, the concrete is firmly clamped by fixing the body portion, so that the fixing is fixed even when an external force is applied to the interlayer waterproof joint device for construction during operation. The state can be kept more stable.

Hereinafter, with reference to the accompanying drawings will be described in detail a building interlayer waterproof joint device according to a preferred embodiment of the present invention.

1 is a perspective view showing a building interlayer waterproofing joint device according to an embodiment of the present invention, Figure 2 is a perspective view showing the installation structure of the building interlayer waterproofing joint device according to an embodiment of the present invention.

As shown in Figure 1 and 2, the building interlayer waterproof joint device 10 according to the present invention comprises a body portion 20, the lower end 50, the waterproof portion 40, and the side preventive paper portion 30. . Here, the "interlayer" does not mean only the number of floors of the building, but the concrete for forming the secondary structure on the upper part of the primary structure of curing or solid state in the lamination process of the concrete, the primary structure It means a concrete laminated boundary that is generated between and the secondary structure.

In detail, the body portion 20 is made through an extrusion molding operation using a mold as a synthetic rubber or synthetic resin material, it is preferably formed extending in the longitudinal direction. The cross section of the body portion 20 is formed in a circular to polygon as a whole, the waterproof portion 40, the lower portion 50, and the portion connected integrally with the side prevention paper portion 30 is rounded rather than angled form It is preferable that the shape is provided in the form provided with a reinforcing rib. Through this, even in the case of vertical bending to handle the body portion 20 in a construction site somewhat roughly or to install in the vertically intersecting portion can be maintained without any damage and smooth work performance.

Further, a protrusion 22 is formed at one end of the body portion 20, and a coupling groove (25 of FIG. 3) is formed at the other end to which the protrusion 22 is formed and fixed. That is, referring to FIG. 2, the building interlayer waterproofing joint device 10 is manufactured to have a length of about 1 to 2 m, and ends of the plurality of building interlayer waterproofing joint devices 10 are interconnected to provide waterproofing of the concrete laminated boundary part. Is installed. At this time, the connection groove (25 in Figure 3) formed in the end of the body portion of one building interlayer waterproofing joint device, the projection 22 formed in the body portion side end of the other building interlayer waterproofing joint device is inserted and coupled to be fixed simply connected work You can complete

Here, it is preferable to provide a friction means for increasing a frictional force for fixing and giving a click feeling at the coupling portion between the protrusion 22 and the coupling groove 25.

In addition, the lower end 50 is integrally extruded with the body 20, it is formed extending to the lower side so as to be inserted into the one-stage concrete stacking portion (71 of Figure 2). Referring to FIG. 2, the lower end portion 50 is inserted into and fixed to the inner side of the first-stage concrete laminate 71 which extends below a predetermined length and is filled between the molds 60. In this case, the building interlayer waterproofing joint devices 10 are connected to each other through the coupling of the above-described protrusion and the coupling groove in the space between the reinforcing bars 75 installed along the edge of the first-stage concrete laminate 71. It is preferred to be fixed. End of the lower end 50 is preferably formed to be pointed or rounded to be easily inserted into the first-stage concrete laminate (71).

In addition, the waterproof part 40 is integrally extruded with the body part 20 and extends upwardly to be disposed across the lower portion of the two-stage concrete stacking part. That is, referring to FIG. 2, the formwork newly installed on both sides of the first-stage concrete laminated part 71 in a state where the lower end 50 is inserted into and fixed to the first-stage concrete laminated part 71. The two-stage concrete stacking unit (not shown) may be filled between the two layers. In this case, the waterproof part 40 may be disposed upright in a lower portion of the two-stage concrete laminate.

As such, the lower end portion 50 and the waterproofing portion 40 respectively prevent the rainwater from penetrating the lamination boundary between the first-stage concrete stacking portion 71 and the two-stage concrete stacking portion (not shown) to be filled thereon. Waterproof function. In the curing process of the one-stage concrete laminate 71, the liquid cement rises up and a Latance phenomenon occurs in which fine powder powder appears on the surface thereof, and heterogeneous properties when the two-stage concrete laminate is poured thereon. Due to the minute gaps generated, the boundary portions of the laminates are vulnerable to waterproofing, but as described above, the interlayer waterproofing joint device 10 for construction can solve these problems.

Moreover, if such a gap occurs, condensation may occur due to a temperature difference between the outside and the inside of the building, which may cause a problem due to the inflow of moisture, but the interlayer waterproof joint device for building completely blocks such a gap. This can prevent the occurrence of the problem.

On the other hand, the side preventive paper portion 30 is extrusion molded integrally with the body portion 20, it is formed extending in both sides at a predetermined interval is seated on the upper surface portion of the first-stage concrete laminate (71). Here, the meaning of being seated on the upper surface portion is a concept including that the side preventive paper portion is placed or buried in a shallow depth on top of the first-stage concrete laminate.

Through this, the building interlayer waterproofing joint device 10 can be prevented from falling to the side, and the stable state can be maintained by maintaining the upright state of the waterproofing part 40.

At this time, as shown in Figure 1, the side prevention paper portion 30 may be completed by injection molding integrally with the body portion 20 in the injection mold, but in some cases the outer periphery of the body portion 20 The lower end portion 50 to the waterproof portion 40 may be formed in a shape protruding with a predetermined interval by the injection molding is continuously protruded long after removal by a separate cutting. Through this, the side preventive paper portion 30 may be formed to protrude in a variety of shapes, such as square or triangular shape.

On the other hand, the extended length of the waterproof portion 40 is preferably formed longer than the extended length of the lower end portion 50 and the side preventive paper portion 30. Through this, it is possible to secure the effective length of the waterproofing portion 40 for the main waterproofing function while preventing the rise of unnecessary material ratio.

3 is a cross-sectional view illustrating a cross section in the 'A-A' direction of FIG. 1.

As shown in FIG. 3, each building interlayer waterproofing joint device 10 is coupled to and secured to both ends thereof with coupling grooves 25 and both ends thereof, so as to remain coupled with the building interlayer waterproofing joint device adjacently coupled. Protruding portion 22 is formed integrally. At this time, the coupling groove 25 is formed to extend to the rear end of the protrusion 22 along the longitudinal direction of the body portion 20, the body portion 20 is preferably made of a substantially hollow.

Through this, the inside of the body portion 20 is made of a substantially hollow material material cost can be reduced, as shown in Figure 2, the point is installed to cross the vertically and easily bend to apply to the situation can do.

Figure 4 is a top view of the building interlayer waterproof joint device according to an embodiment of the present invention.

As shown in FIG. 4, preferably, stepped mating portions 41 and 42 are alternately disposed at both end portions of the waterproof portion 40 so as to form mutually overlapping portions to overlap each other. Therefore, as shown in FIG. 2, when interconnecting the building interlayer waterproofing joint device 10, the stepped joints 41 and 42 provided at both ends of the waterproofing units 40 of the adjacent building interlayer waterproofing joint device, respectively. Since the parts are joined to each other and overlapping a part thereof to form an overlapped waterproof part, it is possible to increase the waterproof effect of the connection part.

Of course, the stepped fitting parts 41 and 42 are not limited to the waterproof part 40 but may be formed in the same structure at both ends of the lower end part 50 installed in the first-stage concrete stacking part.

Meanwhile, FIG. 5 is a perspective view of an interlayer waterproofing joint device for building according to another embodiment of the present invention, and FIG. 6 is a side view of an interlayer waterproofing joint device for building according to another embodiment of the present invention. The building construction interlayer waterproof joint device according to the present embodiment has a basic function and configuration similar to the above-described embodiment, and there is a difference in the configuration of the protrusion, the coupling groove, and the recess groove formed in the body portion.

As shown in FIGS. 5 and 6, the building interlayer waterproof joint device 110 according to the present embodiment has a body part 120, a lower part 150, a waterproof part 140, and similarly to the above-described embodiment. Including the side preventive portion 130, it is preferably made by extrusion molding each synthetic resin to synthetic rubber material integrally with each other.

Here, the lower end 150 is formed to extend downward from the body portion 120 to be inserted into the first-stage concrete lamination, the end of the lower end 150 is formed pointed or rounded to the first-stage concrete lamination It is desirable to allow easy insertion. In addition, at both ends of the body portion 120, protrusions 122 and coupling grooves 125 are formed to be coupled to the coupling grooves and the projections of the adjacent interlayer waterproofing joint device for construction.

At this time, the protrusion 122 is made of a polygonal cross section so that rotation due to torsion after coupling is preferably, has a rectangular cross section. Similarly, a cross-sectional view of the coupling groove 125 into which the protrusion 122 is inserted and coupled is preferably made of a polygonal to quadrangular shape so as to correspond to the cross-sectional shape of the protrusion.

In addition, both sides of the body portion 120 has a predetermined interval to prevent the side prevention paper portion 130 is extended to protrude so as to prevent the building interlayer waterproof joint device 110 to fall to the left and right in the curing process of the first-stage concrete laminate. It is arranged, the width of the side preventive paper portion on the central portion side is approximately twice the width of the side preventive paper portion provided on both ends. This, as will be described later, both side side preventive finger portion is in close contact with both side side preventive finger portion of the other interlayer waterproof joint device for building adjacently coupled to substantially support the same side preventive load as the side preventive paper portion provided in the center portion.

On the other hand, the portion of the body portion 120, the side preventing paper portion 130, the protrusion portion 122, the defect groove 125 is formed is formed stepped portion 120a thicker than the other portion, through which per unit area It is desirable to reinforce the support strength by allowing torsional moments and loads to be dispersed.

In addition, a plurality of recessed grooves 126 are formed along the longitudinal direction of both sides of the body part 120 so that concrete of the first-stage concrete laminate part is embedded and fixed. That is, when the building interlayer waterproofing joint device 10 is installed, the recessed groove 126 may be installed in the upper portion of the first-stage concrete laminate. At this time, the concrete inserted into the recessed groove 126 is fixed and secured by clamping the body portion 120 after curing and drying, even if external force is applied to the interlayer waterproof joint device 110 for construction during operation. To be maintained.

On the other hand, both end portions of the waterproof portion 140 are formed with mutually overlapped stepped mating portion (141, 142) alternately arranged to form a overlapping waterproof portion. The stepped joints 141 and 142 are fixedly coupled with the stepped joints formed to be alternately coupled to the ends of the interlayer waterproof joint device for construction to be adjacently coupled, and thus the description thereof will be omitted. .

In this embodiment, the reinforcing fixing part 145 is formed by opposing the space between the stepped fitting parts 141 and 142 with a space equal to the thickness of each stepped fitting part.

7 is a top view showing a coupling structure between the building interlayer waterproof joint device according to another embodiment of the present invention.

As shown in Figure 7, the stepped fitting portion 141 and the stepped fitting portion 142 of the adjacent device is inserted into the free space between the reinforcing fixing portion 145 is alternately coupled, the reinforcing fixing portion 145 Are overlapped on the inner side and the outer side of the coupling portion between the stepped fitting portions 141 and 142, respectively.

That is, in the case of mutually coupling the end of the building interlayer waterproof joint device (141, 142) coupled to each other, the stepped coupling portion 142 of the other device to be coupled is the stepped coupling portion 141 and the reinforcing fixing part (side) of the opposite coupling side ( 145) is inserted into the free space between it is fixed by tight coupling. Of course, on the opposing surfaces of the stepped fitting parts 141 and 142 and the reinforcing fixing part 145, fixing means (not shown) such as protrusions and grooves that are mutually joined may be added to make the fixing state more robust.

As such, by being firmly fixed by the reinforcing fixing part 145 when the stepped joints 141 and 142 are coupled, the one end of the building interlayer waterproofing joint device 110 is bent, and the end thereof is connected to the other building interlayer waterproofing joint device. Even in the case of connecting, it can be prevented that the coupled state is released by the remaining elastic restoring force.

In addition, the reinforcing fixing parts 145 are overlapped with the inner and outer surfaces of the coupling portions of the stepped coupling portions 141 and 142 provided at both ends of the waterproof portion 140 to further improve the waterproofness of the coupling portions. Can be.

As described above, the present invention is not limited to the above-described embodiments, but may be modified and implemented by those skilled in the art without departing from the scope of the claims of the present invention. Such modifications are within the scope of the present invention.

1 is a perspective view showing a building interlayer waterproof joint device according to an embodiment of the present invention.

Figure 2 is a perspective view showing the installation structure of the building interlayer waterproof joint device according to an embodiment of the present invention.

3 is a cross-sectional view showing the A-A cross section of FIG.

Figure 4 is a top view showing the building interlayer waterproof joint device according to an embodiment of the present invention.

Figure 5 is a perspective view of the building interlayer waterproof joint device according to another embodiment of the present invention.

Figure 6 is a side view showing a building interlayer waterproof joint device according to another embodiment of the present invention.

Figure 7 is a top view showing a coupling structure between the building construction waterproofing joint device according to another embodiment of the present invention.

<Description of Symbols for Main Parts of the Present Invention>

10,100: Building interlayer waterproof joint device 20,120: Body part

22,122: protrusion 25,125: coupling groove

30,130: side stopper 40,140: waterproof part

41, 42, 141, 142: stepped fitting 145: reinforcement fixing part

50,150: lower part 126: recessed groove

Claims (5)

It is formed extending in the longitudinal direction, one end is formed with a projection and the other end is formed with a coupling groove that can be fixed to form the projection portion; A lower end extended integrally with the body part and extended downward to be inserted into a first-stage concrete stacking part; Extruded integrally with the body portion is formed extending upward to be disposed across the lower end of the two-stage concrete laminate, each of the two ends are joined together along the joining direction of the protrusion and the coupling groove and overlap each other overlapping for waterproof The stepped joints alternately arranged to form a waterproof part and the reinforcing fixing parts integrally disposed to face each other with a space equal to the thickness of the stepped joints are overlapped in contact with the outer surface of the overlapping waterproof part to form a tight fit. Waterproof part; Extruded integrally with the body portion, the interlayer waterproof joint device comprising a side prevention paper portion is formed extending in both sides at a predetermined interval to be seated on the upper surface of the first-stage concrete laminate. delete delete The method of claim 1, Building interlayer waterproof joint device, characterized in that a plurality of recessed grooves are formed along the longitudinal direction so that the concrete of the first-stage concrete laminate part is embedded and fixed on both sides of the body portion. The method of claim 1, The coupling groove is formed to extend to the rear end of the projection along the longitudinal direction of the body portion, the body portion is interlayer waterproof joint device for building, characterized in that made of synthetic rubber material substantially hollow.

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