KR20040085481A - Clamp for fabricated deck panel - Google Patents

Abstract

PURPOSE: An assembling member of an assembling deck panel is provided to combine a truss girder with a deck plate firmly without welding by fitting the assembling member to an upper or lower steel reinforcing bar and inserting to the rib of the deck plate, and to prevent displacement of the assembling member or the truss girder by increasing the rigidity with the embossed part of the assembling member. CONSTITUTION: An assembling deck panel is composed of a deck plate(4) having plural ribs(2) spaced from each other and opposed to each other with the thickness for supporting the tare of concrete and construction load, and an assembling member combined with the rib of the deck plate to fix and support a truss girder(6). The assembling member is composed of a body(14) fixing and supporting the truss girder, and a blade part(16) extended in the end of the body and combined with the rib of the deck plate. The body and the blade part are embossed to increase the rigidity against tension, bending stress or compressive force.

Description

Fastening member of prefabricated deck panel {CLAMP FOR FABRICATED DECK PANEL}

The present invention relates to a fastening member of a prefabricated deck panel, and more particularly, to a fastening member of a prefabricated deck panel that can be easily and firmly assembled without welding the truss girder to the deck plate.

In general, reinforced concrete structure is a composite structure using a combination of concrete as a compressive material and reinforcing steel as a tensioning material, and constitutes a predominant type of a conventional building structure.

In this reinforced concrete structure, the most common method of constructing reinforced concrete slab is to construct a formwork to form the outer surface of the concrete and a copper support supporting the formwork, reinforce the reinforcement on the formwork, and then cast the concrete. After that, if the concrete is cured through a curing process for a period of time is made of a process for removing the formwork and copper bar.

This method consumes a considerable amount of air due to the work required for the construction and dismantling of formwork and copper bars, separate reinforcement work, and the need for finishing work due to the surface defect of the structure, and also due to the generation of waste materials by the formwork. There are various problems such as poor economics.

Therefore, a method of not removing the formwork without using the copper barb, ie, using the structure used to form the outer surface of the concrete as it is part of the reinforced concrete structure is known in the direction of improving the problem caused by the use of the formwork and the copper bar.

As an example of this, the most widely used deck panel is known. The deck panel has a deck plate having a predetermined strength and thickness to sufficiently endure the concrete's own weight and construction load. It consists of a truss girder (truss girder) is fixed to the upper surface of the deck plate in the longitudinal direction.

The deck panel has a structure of the deck panel is completed by fixing the truss girders to the deck plate by spot welding, the deck panel thus manufactured is transported to a vehicle and installed in the place where the structure is to be formed.

Thus, when the deck panel consisting of the deck plate and the truss girder is installed between the beam and the beam, itself forms a floor surface that supports the weight and construction load of the concrete, and also serves as a concrete formwork without a club.

Since the deck panel has a structure in which the truss girder is bonded to the deck plate by welding, the welded part is easily corroded or rusted. In order to solve the disadvantage, recently, the deck plate and the truss girder are respectively A prefabricated deck panel which manufactures and assembles and installs these in the field is proposed.

The prefabricated deck panel forms ribs at regular intervals in the longitudinal direction of the deck plate, and is fastened in such a manner that a clip in which the truss girder is detachably assembled is fitted.

The fastened deck panel is to form a slab by placing concrete. At this time, the fastened clip and the truss girder should be designed to withstand the concrete load and work load of 280kg ~ 700kg per square meter until concrete placement and curing.

Therefore, the part of the deck plate to which the clip and the clip are joined, the part to which the clip and the truss girder are joined, and the structure of the clip should be designed in consideration of the mechanical structure so as to overcome this load.

In addition, the clip should be made of a structure that can be easily inserted into and coupled to the rib formed on the deck plate, and after being joined to maintain the state firmly so that it is prevented from being separated from the rib or shaken freely.

However, the clip, which is a fastening member of the conventional prefabricated deck panel, is formed by bending a flat iron plate or bending a steel wire having a certain diameter, so that the structure is very vulnerable to the direction perpendicular to the plane or compression force. There is a problem.

In particular, the clip made of iron plate is very strong in the plane direction to exhibit the tensile strength of the iron plate to the maximum, but has a disadvantage that is very weak to the compressive force applied in the direction perpendicular to the plane.

The present invention has been made to solve the conventional problems as described above, an object of the present invention is to provide a fastening member of the assembled deck panel that can be firmly assembled without welding the truss girder to the deck plate.

1 is a front view of the fastening member of the assembled deck panel according to the first embodiment of the present invention.

2 is a plan view of the fastening member of FIG.

3 is an exploded view of the fastening member of FIG.

4 and 5 are a front view of the fastening member of the assembled deck panel according to the second embodiment of the present invention.

Figure 6 is an installation state view from the side of fastening the truss girder to the deck plate using a fastening member according to a second embodiment of the present invention.

7 is a front view of the fastening member of the assembled deck panel according to the third embodiment of the present invention.

8 is a partially enlarged view of the fastening member of FIG.

Figure 9 is a side view of the installation of the truss girder to the deck plate by using the fastening member according to the third embodiment of the present invention.

10 is a front view of the fastening member of the assembled deck panel according to the fourth embodiment of the present invention.

Fastening member of the assembled deck panel proposed by the present invention,

The deck plate has a predetermined thickness to sufficiently endure the weight and construction load of concrete, maintains a constant distance in the upper longitudinal direction, and is formed with a plurality of ribs in opposite directions to each other, and the truss girder is coupled to the ribs of the deck plate. In the prefabricated deck panel comprising a fastening member for fixing the support,

The fastening member includes a main body to which the truss girder is fixedly supported, and a wing part which extends to the outside of the main body and is coupled to the rib of the deck plate, and the fastening member has rigidity corresponding to the tensile force, the bending stress and the compressive force on the main body and the wing part. It provides a fastening member that is embossed (processed) to have.

The embossing is formed along a central portion of the main body and the wing, the main body is provided with a pair of fixing portions having fixing grooves to extend to both sides of the main body to fix the lower reinforcement of the truss girder, and the wing is bent to the bottom of the main body It consists of an arc of constant curvature.

Both wings are bent downward to have an upward elasticity to make the wing member more securely installed.

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

1 is a front view of a fastening member of a prefabricated deck panel according to a first embodiment of the present invention, FIG. 2 is a plan view of the fastening member of FIG. 1, and FIG. 3 is an exploded view of the fastening member of FIG. 1. Fastening member of the prefabricated deck panel according to one embodiment, the deck plate 4 is formed with a plurality of ribs 2 in a direction facing each other while maintaining a constant interval in the upper longitudinal direction, the ribs of the deck plate 4 The truss girder 6 is configured to be fixedly supported by (2).

The ribs 2 may be integrally formed with the deck plate 4 when the deck plate 4 is manufactured, or may be fixed to the deck plate 4 by welding by making a separate rib.

The deck plate 4 is installed on the part corresponding to the floor between the floor and the floor of the building, it is made of a steel plate having a predetermined strength and thickness to sufficiently withstand the weight and construction load of the slab concrete during building construction The surface is zinc plated to prevent corrosion or rust.

And the rib 2 of the deck plate 4 is bent in the direction in which the ends are facing each other to perform a role of the locking jaw, through which the truss girder 6 is fixed The fastening member can be assembled.

The truss girder 4 is a pair of lattice (8) having a constant inclination angle and continuously bent in a wave shape, and the lattice (8) is opposed to have a triangular shape when viewed from the front as shown in FIG. While arranged in a posture, the upper reinforcement 10 is fixed to the inner side of the upper end between the lattice 8, and the lower reinforcement 12 is fixed to the lower portion of the lattice (8).

The lattice 8 serves to maintain a uniform lower coating without a separate spacer together with the role of the spacer connecting the upper reinforcing bar 10 and the lower reinforcing bar 12.

Although the truss girder 6 is shown to have an isosceles triangle shape when viewed from the front, the truss girder 6 is not limited thereto, and may be in any shape such as, for example, a right triangle or a trapezoidal shape.

The fastening member of the present embodiment for prefabricating the deck plate 4 and the truss girder 6 as described above extends to the main body 14 to which the truss girder 6 is fixedly supported, and to both ends of the main body 14. While being made of a wing portion 16 coupled to the ribs 2 of the deck plate 4, the main body 14 and the wing portion 16 is embossed so that the fastening member has a rigidity corresponding to the tensile force, bending stress and compression force (embossing) 18 is processed.

The embossing 18 is formed in a convex shape along the central portion of the main body 14 and the wing 16, due to this embossing 18, the fastening member has the same rigidity as the folded iron plate.

In addition, the main body 14 is provided with a pair of fixing parts 20 extending in directions substantially orthogonal to both sides of the main body 14 to which the truss girder 6 is fixed, and both ends of the fixing parts 20. In the bottom reinforcing bars 12 of the truss girder 6, the fixing grooves 22 are formed so as to be fitted and fixed, respectively.

The fixing groove 22 is one long and the other is relatively short so that the lower reinforcing bar 12 of the truss girder 6 can be easily fitted.

The wing portion 16 is made of an arc shape of a constant curvature bent to the lower portion of the main body 14 is made to have its own elasticity, the end of the wing portion 16 is to be fastened to the ribs 2 of the deck plate (4) It consists of a hook 24 bent in the direction corresponding to the rib (2).

In order to mount the fastening member of the present embodiment to the rib 2 of the deck plate 4, the entire width of the fastening member must be shorter than the distance between the center portions of the ribs 2, and the width of the fastening member is the rib 2. It is produced slightly larger than the bent width of.

To assemble such a fastening member to the deck plate 4, when the fastening member is pressed while the hook 24 of the fastening member is in contact with the rib 2 of the deck plate 4, the hook 24 is lowered and the rib is actuated by a spring action. (2) is fastened.

At this time, since the overall width of the coupling member is shorter than the gap between the ribs 2, the fastening member is not completely fastened to the ribs 2 but has a slight play, which acts as a cause of the detachment and shaking of the fastening member. do.

In order to prevent this phenomenon, both ends 26 of the wing 16 constituting the fastening member of the present embodiment are configured to be folded downward and positioned below the wing 16.

The bent end portion 26 of the bent portion 16 has a flexible elasticity to push the hook 24, which is fastened to the end of the fastening member, that is, the rib 2, to raise the assembled fastening member to the rib 2. ) Firmly adheres to) to eliminate separation or shaking of fastening members.

4 to 6 are views showing the fastening member of the deck panel according to the second embodiment of the present invention, and are the same as the first embodiment except for the following matters.

That is, the fastening member provided in the first embodiment of the present invention consists of fixing the truss girder 6 by inserting the lower reinforcement 12 into the fixing groove 22 of the fastening member main body 14, The fastening member according to the second embodiment is composed of the first and second fastening members 100 and 200 as shown in FIGS. 4 and 5, and these fastening members 100 and 200 are formed of the lower reinforcing bars 12. By supporting the upper and lower parts, the truss girder 6 can be assembled to the tech plate 4.

As shown in FIG. 4, the first fastening member 100 includes a fastening member main body 102 for pressing and supporting the upper portion of the lower reinforcing bar 12 of the truss girder 6, and is fixed to both lower ends of the main body 102. Wings 104 extending at an angle of inclination, and end portions of the wings 104 are bent in a direction corresponding to the ribs 2 so as to be fastened to the ribs 2 of the deck plate 4. It consists of a hook 106.

As shown in FIG. 5, the second fastening member 200 includes a fastening member main body 202 for supporting the lower reinforcing bar 12 of the truss girder 6 at the bottom thereof, and a constant inclination angle below both ends of the main body 202. And a wing 204 extending with a hook 206 formed at an end of the wing 204 and fastened to the rib 2 of the deck plate 4.

As shown in FIG. 6, as shown in FIG. 6, the first fastening member 100 is installed at the center of the truss girder 6 at regular intervals to support the center of the truss girder 6, and the truss girder 6. The second fastening member 200 is installed at both ends of the truss girder 6 to the deck plate 4.

In this case, the first and second fastening members 100 and 200 bear the function of maintaining the lower coating and the function of transferring the casting load of the concrete mounted on the deck plate 4 and the function of transmitting the truss girder 6 to the central part, respectively. The first fastening members 100 positioned at the upper part serve to transmit the concrete load carried on the deck plate 4 to the truss girder 6, and the second fastening member 200 positioned at the end portion has a coating thickness. It maintains and serves to transfer the load to the lower deck plate (4).

7 to 9 show the fastening members of the assembled deck panel according to the third embodiment of the present invention. In this embodiment, the truss girder 6 is described by hanging the upper reinforcing bar 10 of the truss girder 6. It is comprised so that it may engage in the plate 4.

That is, in the fastening member 300 according to the third embodiment of the present invention, a pair of main bodies 302 positioned in a posture facing each other with a predetermined inclination angle and end portions of each of the main bodies 302 are connected to each other And a support part 304 which surrounds and supports the outer side of the upper reinforcing bar 10 of the truss girder 6, and is formed at both ends of the lower end of the main body 302 and fastened to the rib 2 of the deck plate 4. It consists of a hook 306 made possible.

A locking groove 308 is formed at the lower portion of the main body 302 so that the end of the rib 2 is caught, thereby further tightening the fastening state of the fastening member 300, and the support member 304 has a fastening force, Embossing 310 is processed to have rigidity corresponding to bending stress and compression force.

The use of the fastening member 300 as shown in FIG. 9 supports the truss girder 6 at both ends of the truss girder 6 so as to support the truss girder 6 at a distance from the deck plate 4. In the center portion of the truss girder 6, the support portion 304 of the fastening member 300 hangs to surround the outer side of the upper reinforcing bar 10, and the hook 306 is fastened to the ribs 2 so that the truss girder 6 To the deck plate (4).

10 is a front view showing a fastening member according to a fourth embodiment of the present invention, which is the same as the third embodiment except for the following matters.

That is, the fastening member 400 according to the fourth embodiment of the present invention, the fastening member main body 402 and the upper end of the main body 402 by bending the outer side of the upper reinforcing bar 10 of the truss girder 6 It consists of a support portion 404 for wrapping and supporting, and a hook 406 formed at the lower end of the body 402 and fastened to the ribs 2 of the deck plate 4, such a fastening member ( It is configured to fasten the truss girder 6 by installing two in a direction facing each other 400).

In the above embodiment, the installation interval of the fastening member is generally maintained at about 400 mm to 800 mm, but depending on the strength required by the structure or the thickness of the upper and lower reinforcing bars 10 and 12 provided to the truss girder 6. It can also be installed by adjusting to maintain the above or below intervals.

As such, when the truss girder 6 is assembled to the deck plate 4, the slab is constructed by installing a back muscle or reinforcing bar or an accessory material on the truss girder 4, and placing concrete to undergo a curing process for a predetermined time. .

When the slab is constructed, the deck plate 4 mainly serves as a formwork during construction, and after construction, becomes the surface of the slab structure, and the upper reinforcement 10 and the lower reinforcement 12 constituting the truss girder 6 are reinforced. It becomes the main reinforcing bar of the concrete slab to maintain the overall strength of the slab.

Fastening member of the assembled deck panel according to the present invention made as described above, the truss girder deck by inserting and fastening the fastening member to the lower reinforcement or upper reinforcing bar constituting the truss girder, and easily inserted into the rib of the deck plate It can be easily assembled to a plate.

In addition, the fastening member is embossed to have a rigidity corresponding to tensile force, bending stress and compressive force, and the wing portion of the fastening member has a flexible elasticity so that the fastening member is firmly adhered to the ribs so that the fastening member and the truss girder are separated or shaken. Prevents flutter

Claims (11)

The deck plate has a predetermined thickness to sufficiently endure the weight and construction load of concrete, maintains a constant distance in the upper longitudinal direction, and is formed with a plurality of ribs in opposite directions to each other, and the truss girder is coupled to the ribs of the deck plate. In the prefabricated deck panel comprising a fastening member for fixing the support, The fastening member includes a main body to which the truss girder is fixedly supported, and a wing part which extends to the outside of the main body and is coupled to the rib of the deck plate. Fastening member of the prefabricated deck panel embossed to have a. The fastening member of the prefabricated deck panel of claim 1, wherein the embossing is formed along a central portion of the fastening member body and the wing. According to claim 1, The main body is provided with a pair of fixing portions for extending the truss girder, respectively extending in a direction orthogonal to both sides of the main body, the lower reinforcement of the truss girder is fixed to each end of the fixing portion Fastening member of the prefabricated deck panel formed grooves. The fastening member of the prefabricated deck panel of claim 3, wherein the fixing groove is one long and the other is relatively short so that the lower reinforcing bar of the truss girder can be easily fitted. The fastening member of the prefabricated deck panel of claim 1, wherein the wing part is formed in an arc shape having a constant curvature bent to the lower part of the main body and has a self-elasticity. The fastening member of claim 1, wherein both of the ends are bent downward to have upward elasticity to further strengthen the installed state of the fastening member. A deck plate having a predetermined thickness to sufficiently endure its own weight and construction load, and having a predetermined interval in the upper longitudinal direction and having a plurality of ribs formed in opposite directions to each other, and fixedly supporting the deck plate and the truss girder Including a fastening member, The fastening member is a fastening member of the prefabricated deck panel configured to be assembled in such a way that one side supports the upper and lower parts of the upper or lower reinforcing bars forming the truss girder, the other side is fixed to the rib of the deck plate. The method according to claim 7, wherein the fastening member, a pair of main body having a predetermined inclination angle and facing each other, one side of the main body is connected to each other supporting the support surrounding the outer side of the upper reinforcement of the truss girder, and Fastening member of the prefabricated deck panel consisting of a hook formed on both lower ends of the main body and can be fastened to the rib of the deck plate. The fastening member of the prefabricated deck panel of claim 8, wherein a locking groove is formed at a lower portion of the main body so that the end portion of the rib is engaged, thereby further strengthening the fastening state of the fastening member. The fastening member of the prefabricated deck panel of claim 8, wherein the support part is embossed so that the fastening member has rigidity corresponding to tensile force, bending stress, and compression force. The method of claim 7, wherein the fastening member is a fastening member body, a support portion for bending and supporting the outer side of the upper reinforcement of the truss girder by bending the upper end of the main body, and a lower end of the main body is formed on the ribs of the deck plate A fastening member of the prefabricated deck panel, which is composed of a hook configured to be fastened, and is configured to fasten the truss girder by installing two fastening members facing each other.