KR100841716B1 - Snap-fit connecting structure of curved portion of fiber reinforced composite deck of hollow section - Google Patents

Abstract

A snap-fit connecting structure of a curved portion of a fiber reinforced composite deck of hollow section and a snap fit connection member are provided to connect decks without additional connection members. A snap fit connection member for interconnecting decks comprises an intermediate plate(11), upper and lower insertion plates(12,13), and first and second snap-fit portions(14a,14b). The upper and lower insertion plates extend toward a deck at the two ends of the intermediate plate. The first and second snap-fit portions are formed on the intermediate plate on opposite side of the insertion plates. The upper and lower insertion plates hold upper and lower panels of the deck. The first snap-fit portion is at the end of an extended plate(18) integrated with the upper insertion plate. The second snap-fit portion is formed at the outer surface of the intermediate plate on opposite side of the lower insertion plate. The snap-fit portions are coupled to other snap-fit portions.

Description

Snap-Fit Connecting Structure of Curved Portion of Fiber Reinforced Composite Deck of Hollow Section}

1A-1E are schematic perspective and side cross-sectional views showing one embodiment of the snap-fit connecting member of the present invention.

2A and 2B are schematic perspective views and side sectional views of the deck, respectively, showing the deck before cutting to connect the curved portions.

3A to 3C are schematic conceptual, side cross-sectional and perspective views showing one embodiment of deck arrangement for connecting curved portions using cut decks, respectively.

4A to 4G are schematic conceptual views, side cross-sectional views, perspective views, and enlarged perspective views showing one of the assembling examples in which the decks are curvedly connected using the snap-fit connecting members of the present invention, respectively.

5A to 5D are schematic perspective views of an embodiment in which a curved portion of a bridge is formed by using a snap-fit connecting member and a deck according to the present invention.

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

10 Snap-fit connection member 11 Intermediate plate

14a (a ') 1st lower (top) facing protrusion coupling part 14b (b') 2nd lower (top) facing protrusion coupling part

20 decks 25 top plate 26 bottom plate

The present invention relates to a curved portion connecting structure of the hollow fiber-reinforced composite deck using snap-fit detachable assembly connecting member and a snap-fit assembly connecting member for connecting thereto, specifically, a snap for connecting between neighboring decks The present invention relates to a connection member of a fit coupling structure, and to a curved connection structure for arranging and connecting a cut deck to cut the deck at an angle and to form a curved portion using the fitting.

In general, when manufacturing a mat using a rectangular precast deck, there is an effect that the quality control is easy, and the construction period is shortened. However, it is cumbersome to manufacture curved mats due to the rectangular deck shape, and even if the precast deck is curved, the shape of the manufactured precast deck may not match the formation of the curved portion of the structure.

Instead of using the precast member as described above, when the cast-in-place concrete is constructed to produce the floor plate such as the mat in the required curved shape, there is a fear of poor construction due to the decrease in labor productivity, and difficulty in quality control of the structure. There is a problem of ensuring the required space due to the use of the equipment. In addition, there is an additional burden of securing a detour road due to the prolonged construction during the construction of downtown areas.

An object of the present invention is to connect a deck having no connecting means by using a connecting member having a snap-fit coupling structure.

In addition, an object of the present invention is to provide a connection structure that is simply formed by cutting the rectangular deck to form a curve in order to construct a curved portion of the structure and connected by a connecting member having a snap-fit coupling structure to simply form a curved portion. .

In order to achieve the above object, in the present invention, a connecting member used for connecting between decks, a vertically formed intermediate plate, upper and lower plate fitting ends formed at one side of the intermediate plate to the deck side, and the other of the intermediate plate It is composed of a first downward protrusion coupling portion and a second downward protrusion coupling portion formed on the side, the upper and lower plate fitting end is formed on the deck side from one side of the intermediate plate to be fixed to the upper and lower plates of the deck to be fixed The first downward protrusion coupling portion is formed downward from the end of the upper plate fitting end extending portion is formed by the upper plate fitting end is further extended to the side, the second downward protrusion coupling portion is an outer surface of the intermediate plate Is formed in a shape protruding downward from the projection connecting portion is formed with projections formed on the connection member coupled to the neighboring deck and Nap-fit connection provides a member - characterized in that the snap connection by mechanical removal method of the pit shape.

In addition, in the present invention, the connection portion of the snap-fit connection member provides a snap-fit connection member, characterized in that the adhesive connection by an adhesive or the like.

In addition, the snap-fit connection member and the structure using the straight deck to connect the curved portion of the structure, the deck is cut obliquely from the top to flip or rotate one deck to the other deck and the cutting surface to face each other curved After the arrangement, the cutting surface of the deck is coupled to the snap-fit connecting member, and snap-fit form using the snap-fit coupling portion formed on the side of the deck or the coupling portion of the snap-fit connecting member coupled to the cutting surface It provides a curved connection structure of the structure, characterized in that the connection by the mechanical detachable method.

Hereinafter, with reference to the accompanying drawings will be described a specific configuration and effect of the snap-fit connection member and the structure curve structure formed using the same according to the present invention.

1A and 1B are schematic cross-sectional views showing the configuration and coupling structure of the snap-fit connecting member 10 according to the present invention, respectively. As shown in FIG. 1A, the snap-fit connecting member 10 includes an intermediate plate 11, an upper plate fitting end 12, and a lower plate fitting end 13 so that the snap-fit connecting member 10 may be fitted to the side of the deck 20. It consists of protrusion coupling parts 14a, 14a ', 14b, 14b'.

The upper and lower plate fitting ends 12 and 13 are formed toward the side of the deck 20 at one side of the intermediate plate 11 to form an overall U shape including the intermediate plate 11, the snap-fit connecting member 10, one surface of the intermediate plate 11 is in contact with the side surface of the deck 20, and the upper and lower plate fitting ends 12, 13 are upper and lower plates 25, 26 of the deck 20, respectively. It is coupled to the side of the deck 20 in the form of wrapping. On the other side of the middle plate 11 of the snap-fit connecting member 10 based on the right snap-fit connecting member 10 of FIG. 1A, the first downward protrusion coupling portion 14a and the second downward protrusion coupling portion 14b are provided. ) Is formed. The snap-fit connecting member 10 connected thereto is formed with a first upward protrusion coupling portion 14a 'and a second upward protrusion coupling portion 14b' as shown in the left figure of FIG. 1A. Mechanical coupling is performed in a snap-fit form with the first downward protrusion coupling portion 14a and the second downward protrusion coupling portion 14b. Hereinafter, the portion of the deck 20 coupled to the snap-fit connecting member 10 is directly connected to the other deck 20 is called the deck connection.

As shown in FIG. 1B, the snap-fit connecting member 10 having the first and second upward protrusion coupling parts 14a 'and 14b' is assembled on the side of the left deck 20, and coupled to each other. The snap-fit connecting member 10 having the first and second downward protrusion coupling parts 14a and 14b on the side is assembled and coupled. As such, the deck 20 is connected by assembling the snap-fit connecting member 10 with the neighboring snap-fit connecting member 10 in an up and down direction and combining the snap-fit connecting member 10 in a simple and robust mechanical detachable manner.

Specifically, in the embodiment shown in Figure 1a, one side of the snap-fit connecting member 10 is the upper and lower plate fitting end 12, 13 is formed toward the side of the deck 20. In the case of the snap-fit connecting member 10 coupled to the left deck 20 side, the lower plate fitting end portion 19 is formed on the other side of the lower plate fitting end 13 and the second upward protrusion coupling part 14b 'is formed. ) Is protruded upward from the end of the lower plate fitting end portion 19. In addition, the outer surface of the middle plate 11 of the left snap-fit connecting member 10 is formed in a shape in which the first upward protrusion coupling portion 14a 'protrudes upward. On the other hand, since the snap-fit connecting member 10 connected to the left and right decks 20 respectively have the same shape when turned upside down, the configuration of the snap-fit connecting member 10 connected to the right deck 20 will be described. The description is omitted.

1C to 1E are enlarged views illustrating a process of coupling the first downward protrusion coupling portion 14a and the first upward protrusion coupling portion 14a ', respectively, and FIG. 1C is a state before coupling. 1d is a state in which the first upward protrusion coupling portion 14a 'is backed down when coupled, and FIG. 1E is a state in which the first upward protrusion coupling portion 14a' is elastically restored and the coupling is completed.

As shown in the figure, in the present invention, protrusions 14c and 14c 'of corresponding shapes are formed at the end of the first downward protrusion coupling portion 14a and the end of the first upward protrusion coupling portion 14a', respectively. As a result, the protrusions 14c and 14c 'are bitten together to form a solid mechanical coupling. On the other hand, when both decks 20 are connected by using the snap-fit connecting member 10 as shown in the upper and lower plate fitting extension to increase the resistance in the horizontal direction in the state where the protrusion coupling portion is coupled to each other It is preferable that the projection support part 15 which supports the edge part of the up-down protrusion coupling part 14a, 14b, 14a ', 14b' from the back at 18 and 19 is formed in the shape which protrudes.

The snap-fit connecting member 10 may be manufactured separately from two different left and right snap-fit connecting members 10, but the first upward protrusion coupling part 14a 'of the left snap-fit connecting member 10 and the other. When the second upward protrusion coupling portion 14b 'is turned over to the left snap-fit coupling member 10, the second downward protrusion coupling portion 14b and the first downward protrusion of the right snap-fit coupling member 10 are respectively. It becomes the engaging part 14a, and the upper and lower plate fitting ends 12 and 13 become the lower and upper plate fitting ends 13 and 12, respectively.

The length of the upper and lower plate fitting end portions 18 and 19 in the snap-fit connecting member 10 may vary depending on the structure, and thus the connection distance between the decks 20 to be connected is determined.

It is also common for the snap-fit joint to be unbonded by protruding bonds, but it is also possible to adhesively bond using an adhesive if necessary.

2A and 2B show schematic perspective and cross-sectional views showing the precast deck 20 used to connect the curved portions of the structure. As shown in the figure, when the deck 20 having a plurality of polygonal hollows is cut along a line A-A shown in FIG. 2A, the deck 20 has a cross section as shown in FIG. 2B. In order to explain the layout of the cut deck 20, the left deck cut is divided into the first deck 20a and the right deck is called the second deck 20b, and the top plate 25 of the deck 20 is divided. T, the lower plate 26 is represented by B.

3a to 3c show one embodiment of the arrangement of the decks 20a and 20b for connecting the curved portions of the structure using the cut decks 20a and 20b, and FIGS. 4a and 4b respectively show FIGS. 3a and 4b, respectively. As shown in FIG. 3B, the decks 20a and 20b are curved by using the snap-fit connecting member 10 of the present invention. 4C and 4D are views corresponding to FIG. 3C, and FIGS. 4F and 4G are enlarged perspective views of the connection parts of FIGS. 4C and 4D, respectively. Specifically, FIG. 3A is a plan view of a state in which the deck 20 is cut to be disposed to form a curved portion, and FIG. 4A is a plan view of a state in which connecting portions are coupled after the decks 20a and 20b are disposed. FIG. 3B is a view showing a cross-sectional shape in a state where decks 20a and 20b are arranged to form curved portions, and as shown in FIG. 3B, each protrusion is formed on the side of decks 20a and 20b. There is a connection without connection means in the arrangement where the connection and the cutting surface are in contact with each other. 3C is a schematic perspective view corresponding to the top view of FIG. 3A. 4B is a cross-sectional view of a state in which a snap-fit connecting member 10 is connected to each other by using a protrusion coupling portion formed on the side of the deck 20a, 20b, or coupled to a portion without a separate protrusion coupling portion, such as a cut surface. 4C is a view corresponding to the top view of FIG. 4A and connected to neighboring decks 20a and 20b using a snap-fit connecting member 10 coupled to the entire longitudinal direction of the deck 20a and 20b cutting surfaces. A schematic perspective view of the state. FIG. 4D illustrates a connection state using the snap-fit connecting member 10 coupled only to the end of the deck 20 cut surface as another embodiment of FIG. 4C. As such, when the snap-fit connecting member 10 is coupled to only a part of the lengths of the deck 20a and 20b cutting surfaces, a space is formed between the cutting surfaces to which the snap-fit connecting member 10 is not coupled. It is preferable to use a snap-fit connecting member 10 having a short length of the upper and lower plate fitting end portions 18 and 19 as shown in FIG. Of course, as shown in Figure 4e, the short snap-fit connecting member 10 of the upper and lower plate fitting end portions 18, 19 may be coupled to the entire cut surface length of the deck (20a, 20b). 4F and 4G are enlarged perspective views of the coupling portion coupled using the snap-fit connecting member 10 in FIGS. 4C and 4D.

Specifically, in order to explain the arrangement and coupling structure of the decks 20a and 20b forming the curved portion, the figures shown in FIG.

(1) The deck 20 which is not cut is arrange | positioned at the left side of the curved part, and the deck 20a of the cut deck 1 is connected to the right side which is in contact with this. At this time, both decks are coupled to the first upward protrusion coupling portion 21a 'and the first downward protrusion coupling portion 21a, and the second upward protrusion coupling portion 21b' and the second downward protrusion coupling portion 21b. Is coupled to the end of the coupling portion is formed with projections (21c, 21c ') of the corresponding shape, respectively, the projections are bitten each other and connected by a solid mechanical coupling. (20-20aT)

(2) On the right side of the first deck 20a, the second deck 20b is turned upside down so that the cutting surfaces are in contact with each other. Since there is no separate connecting means between the two decks, the snap-fit connecting member 10 is used. Connect. (20aT-20bB)

(3) On the right side of the inverted second deck 20b, the first and second upside protrusions 21a 'and 21b' before the upside down are formed on the deck 20 before cutting. Positioned in the symmetrical form with the parts (21a, 21b), the second deck 20b and the side that is not inverted are disposed in contact with each other. The first and second upward protrusion coupling portions 21a 'and 21b' are formed on the left side of the second deck 20b, which is not inverted, and is joined by a mechanical detachment method in the same manner as described in the above (1) ( 20bB-20bT).

(4) The right end of the second deck (20b) described in the above (3) is a cut surface, it is arranged facing the cut surface of the first deck (20a) overturned, and connected to the snap-fit connecting member 10 ( 20bT-20aB).

(5) On the right side of the inverted number 1 deck 20a, the first and second downward protrusion coupling portions 21a and 21b before flipping are the same as the first and second upward protrusion coupling portions 21a 'and 21b'. It is positioned in the form, and the deck 20 not cut here is connected as in (1) above.

The deck 20 may be variously cut and disposed according to the shape of the curved portion of the structure. In the case of the curved portion having a large curvature, the deck 20 is cut close to a diagonal line to form a mat having a sharp curved path. can do.

In addition, in the above embodiment, the protrusion coupling portions 21a, 21b, 21a ', and 21b' of the deck 20 are coupled to each other, or only the snap-fit connecting members 10 are coupled to each other. Sides of decks 20a and 20b having coupling portions 21a, 21b, 21a ', and 21b' formed, and the other side are cut sides of decks 20a and 20b to which snap-fit connecting members 10 are coupled. It is also possible to connect the protrusion coupling portions (21a, 21b, 21a ', 21b') and the snap-fit connecting member 10 by coupling.

5A and 5B show an embodiment of a mat formed by coupling the snap-fit connecting member 10 according to the present invention to the entire cutting surface length direction of the deck 20, respectively, and having a predetermined length only at the end of the deck 20. Is a schematic perspective view showing an embodiment of the formed mat. 5C and 5D are schematic perspective views of an embodiment in which a curved portion using the snap-fit connecting member 10 of FIG. 5A is installed on an I-beam and a concrete girder bridge deck, respectively.

In the above described the configuration and features of the present invention based on the embodiment according to the present invention, the present invention is not limited to this and can be changed freely according to the technical idea of the present invention. In particular, in the present specification, including the claims, it is to be understood that the deck includes all kinds of decks in civil engineering and building structures supported by girders or beams, such as decks, temporary roads, etc. installed in bridges. In addition, since the deck according to the present invention to form a plate structure by combining with each other, its use is not necessarily limited to the above, but use a plate structure, such as the bottom plate, wall, tank structure, platform, sidewalk bottom plate, box culvert of the building structure It can be used for various structures.

As described above, using the snap-fit connecting member according to the present invention can easily connect the neighboring deck even when there is no connecting means on the side or connecting the cut surface.

Further, according to the curved portion connecting structure of the deck using the snap-fit connection member according to the present invention it is possible to easily construct a curved bottom plate without separately manufacturing a curved deck. In particular, there is an advantage that can be arranged and connected by cutting the deck to match the curvature of the curved portion.

The snap-fit connection allows the decks to be assembled in a vertical orientation, allowing each deck to be assembled on site without having to pre-assemble it. Therefore, compared with the conventional case that had to transfer the large and heavy deck, the transfer operation is easy, it is possible to reduce the cost of the transfer.

Claims (3)

As the connecting member used for the connection between the decks 20, An intermediate plate 11 formed vertically, Upper and lower plate fitting ends 12 and 13 formed on the deck 20 side from one side of the intermediate plate 11, Consists of the first downward protrusion coupling portion 14a and the second downward protrusion coupling portion 14b formed on the other side of the intermediate plate 11, The upper and lower plate fitting ends 12 and 13 are formed at one side of the intermediate plate 11 toward the deck 20 to have a predetermined length so as to be fitted to and fixed to the upper and lower plates 25 and 26 of the deck 20. Have, The first downward protrusion coupling portion 14a is formed downward from the end of the upper plate fitting end portion 18 in which the upper plate fitting end 12 is further extended to the side, The second downward protrusion coupling portion 14b is formed to protrude downward from the outer surface of the intermediate plate 11, The protrusion connecting portion 14a, 14b is formed with a protrusion 14c, which is connected to the protrusion 14c 'formed on the connecting member coupled to the neighboring deck 20 by a snap-fit type mechanical detachment method. A snap-fit connection member. The method of claim 1, The snap-fit connection member of the snap-fit connection member 10, characterized in that the adhesive connection by adhesive or the like.  As a connecting member used for the connection between the decks 20, the intermediate plate 11 formed vertically, and the upper and lower plate fitting ends 12, 13 formed from one side of the intermediate plate 11 toward the deck 20 side. ), And the first downward protrusion coupling portion 14a and the second downward protrusion coupling portion 14b formed on the other side of the intermediate plate 11, the upper and lower plate fitting ends 12 and 13 are It is formed on the side of the deck 20 from one side of the intermediate plate 11 has a predetermined length to be fixed to the upper and lower plates 25, 26 of the deck 20, the first downward protrusion coupling portion (14a) The upper plate fitting end 12 is formed in the downward direction at the end of the upper plate fitting end extending portion 18 is formed to further extend to the side, the second downward protrusion coupling portion 14b is the intermediate plate 11 Is formed in the form protruding downward on the outer surface of the), the projection connecting portion (14a, 14b) is formed with a projection 14c, coupled to the adjacent deck 20 In the connecting structure of the structure using the connecting member and the linear fit curve deck parts, - the form-fit snap characterized in that the connection by mechanically detachable manner - the projections (14c ') and a snap formed in the coupled material After cutting the deck 20 obliquely from the top to flip or rotate one deck (20a, 20b) to place the other deck (20a, 20b) and the cutting surface against each other in a curved shape, The snap-fit connecting member 10 is coupled to the cut surfaces of the decks 20a and 20b, Snap-fit coupling portions 21a, 21b, 21a 'and 21b' formed on the side surfaces of the decks 20a and 20b or coupling portions 14a, 14b and 14a 'of the snap-fit connecting member 10 coupled to the cut surface. , 14b ') using the snap-fit mechanical detachment of the structure, characterized in that the connection of the curved portion of the structure.

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