KR200387868Y1 - Fabricated pc culvert reinforced with socket and bracket - Google Patents

Abstract

The present invention relates to a socket and bracket reinforcement assembled PC culvert, and more specifically, to each of the joint sections of the neighboring culvert box to form a socket protrusion and a socket recess corresponding to each other and to connect the connecting portion by the bracket of the neighboring culvert box A socket and bracket reinforced prefabricated PC culvert with reinforced connections.

The socket and bracket reinforcement-type PC culvert according to the present invention is a prefabricated PC culvert that is connected to each other by joining the joint ends of neighboring culvert boxes, the protruding socket protrusion is joined to the joint end of one culvert box of the neighboring culvert boxes It is formed long along the cross-section, the concave end portion of the other culvert box formed concavely formed so as to have a width and depth to accommodate the socket protrusion is not contacted is formed long along the end surface, the neighboring culvert box is a socket protrusion And a gap is formed between the socket recess and the socket protrusion and both sides of the socket recess, and a sealing member is interposed therebetween to join each other, and the gap formed between the socket recess and the socket protrusion is filled with mortar. At the connection part of the neighboring culvert box, the bracket is spread over the neighboring culvert box Characterized in that the ends respectively fixed to each of the outer box culvert neighboring.

Description

Socket and Bracket Reinforced Assembled PC Culvert {FABRICATED PC CULVERT REINFORCED WITH SOCKET AND BRACKET}

The present invention relates to a socket and bracket reinforcement assembled PC culvert, and more specifically, to each of the joint sections of the neighboring culvert box to form a socket protrusion and a socket recess corresponding to each other and to connect the connecting portion by the bracket of the neighboring culvert box A socket and bracket reinforced prefabricated PC culvert with reinforced connections.

Currently, the construction of sewers, waterways, cavities, power ports, communication ports, and aisle boxes is mainly used to bury precast concrete culverts connected to culvert boxes made of reinforced concrete. This is to avoid traffic jams at the construction site by reducing labor costs and shortening the air.

In general, prefabricated PC culverts have weak connection strength between culvert boxes. Accordingly, there is a problem in that the connection portion of the culvert box is opened due to uneven settlement of the ground.

In order to solve this problem, various methods for reinforcing connection sites have been attempted. For example, Republic of Korea Patent No. 10-0347257 discloses a prefabricated PC culvert that is integrally connected to the neighboring culvert box by inserting a bolt in the joint cross-section which is opposed to each other. In addition, Korean Utility Model Registration No. 20-0157898 discloses a prefabricated PC culvert in which the eye bolt holes are connected to each other to be joined to each other to be joined to each other, and the eye bolts are connected to each other by inserting a steel rod into the hole of the eye bolt. It is.

However, the conventional prefabricated PC culvert has a complicated structure for reinforcing the connection portion of the neighboring culvert box and its construction is very difficult. For example, in the case of the prefabricated PC culvert disclosed in the Republic of Korea Patent No. 10-0347257 it is very cumbersome to insert the bolt into the hole formed in the joint section. In addition, in the case of the prefabricated PC culvert disclosed in the Republic of Korea Utility Model Registration No. 20-0157898, it is very difficult to match the holes of the eye bolts overlapping each other and insert the steel rods in the holes.

The present invention is to solve the problems as described above, the object of the present invention is to form a socket protrusion and a socket recess corresponding to each other in the joint section and filling the mortar in the gap between them to cure the socket protrusion and socket recess It is to provide a socket and bracket reinforcement assembly PC culvert that can resist the shear force applied to the connection portion of the box and at the same time to strengthen the connection portion with a bracket to resist the tensile and shear forces.

In addition, another object of the present invention is to increase the connection strength by the steel wire to prevent the corrosion of the steel wire by filling and curing the mortar in the gap between the steel wire insertion hole and the steel wire in which the tension tension wire is inserted to connect the neighboring culvert box. To provide a socket and bracket reinforcement prefabricated PC culvert.

In order to achieve the above object, the socket and bracket reinforcement-type PC culvert according to the present invention is a prefabricated PC culvert that is connected to each other by joining joint sections of neighboring culvert boxes, the junction of one culvert box of neighboring culvert boxes A protruding socket protrusion is formed along the end face of the joint in the cross section, and a socket recess having a concave shape formed to have a width and a depth for accommodating the socket protrusion without being in contact with the other end of the culvert box is formed along the end face of the joint. The neighboring culvert box has a gap formed between the socket protrusion and the socket recess, and both sides of the socket protrusion and the socket recess corresponding to each other have a sealing member interposed therebetween, so that the joining cross sections face each other, and between the socket recess and the socket protrusion. The formed gap is filled with mortar and cured. Straddle box culvert of the jacket adjacent opposite ends culvert boxes, each of which neighbors is characterized in that fixed to the respective outer surface.

Since the shear force applied to the connection portion of the culvert box has a structure corresponding to each other with the mortar filled between the socket recess and the socket protrusion inserted therebetween, the connection of the culvert box is reinforced against the shear force. In addition, the bracket is reinforced with resistance to tensile and shear forces applied to the connection portion of the culvert box.

In addition, the socket and bracket reinforcement assembly type PC culvert according to the present invention, the socket protrusion is characterized in that formed discontinuously along the joining cross-section.

The socket protrusion is discontinuously formed, and mortar is filled in a portion in which the socket protrusion is formed and a portion in which the socket protrusion is not formed, so that the connection portion of the culvert box is reinforced with resistance to shear force.

In addition, the socket and bracket reinforcement assembly type PC culvert according to the present invention, the neighboring culvert box is connected to each other by inserting the tensile steel wire in the steel wire insertion hole formed in the longitudinal direction, the inlet of the steel wire inlet is the inside of the area sealed with a sealing member The inlet of the wire insertion hole is connected to the gap formed by the socket recess and the socket protrusion so that the mortar introduced between the socket recess and the socket protrusion is introduced into the gap between the wire insertion hole and the wire.

Since the mortar is filled in the gap between the wire insertion hole and the steel wire, the connection of the culvert box by the steel wire is not only secured, but also water is introduced into the steel wire insertion hole to prevent corrosion of the steel wire.

Hereinafter, with reference to the embodiment shown in the drawings will be described in more detail the socket and bracket reinforcement assembly PC culvert according to the present invention.

1 is a perspective view of a socket and bracket reinforcement assembled PC culvert according to an embodiment of the present invention, Figure 2 is an exploded perspective view of a socket and bracket reinforcement assembled PC culvert according to an embodiment of the present invention, 3 is a cross-sectional view in AA of FIG. 1, FIG. 4 is a cross-sectional view in BB of FIG. 1, FIG. 5 is a plan view showing a bonded cross section of the socket and bracket reinforced prefabricated culvert according to an embodiment of the present invention, 6 is a cross-sectional view of the CC of Figure 5, Figure 7 is a plan view showing a cross-sectional view of the socket and bracket reinforcement assembly PC culvert according to an embodiment of the present invention, Figure 8 is a cross-sectional view in DD of FIG. .

1 and 2, the socket and bracket reinforcement-type PC culvert according to the embodiment of the present invention are formed by connecting the end faces 11 and 21 of the adjacent culvert boxes 10 and 20 to each other.

Socket and bracket reinforcement assembly type PC culvert according to the present invention has a socket protrusion 12 and a socket recess 22 corresponding to each other in the joint section (11, 21) of the culvert box (10, 20) is formed culvert box (10, 20) is reinforced. To this end, a protruding socket protrusion 12 is formed along the joint end face 11 in the joint end surface 11 of one of the culvert boxes 10 of the neighboring culvert boxes 10 and 20, and the other culvert box 20. In the joint end surface 21 of the ()) is formed along the joint end surface 21 is a socket recess 22 formed concave so as to have a width and a depth for accommodating the socket protrusion 12 is not in contact. Adjacent culvert boxes 10 and 20 are joined to each other by joining joint sections 11 and 21. As described above, the socket protrusions 12 are accommodated in the socket recesses 22 in a state in which the joint end surfaces 11 and 21 are opposed to each other, and a mortar 30 is formed between the socket protrusions 12 and the socket recesses 22. A gap is formed for filling. Since the socket protrusion 12 and the socket recess 22 formed as described above have portions facing each other in the lateral direction with the mortar 30 interposed therebetween, the socket protrusions 12 and the socket recess 22 are applied to the connection portions of the culvert boxes 10 and 20. It provides a structure that is resistant to forces, ie shear forces.

On the other hand, the socket protrusion 12 of the culvert box 10 may be formed continuously, but discontinuously the joint end surface 11 to have a side that can resist the shear force in the longitudinal direction of the socket protrusion 12 Can be formed along. 2 to 6, the socket protrusion 12 is not formed at the central portion 13 at each side of the joint end face 11. Accordingly, the joint end face 11 faces each other in the longitudinal direction of the joint end face 11 between the socket protrusion 12 and the mortar 30 filled in the space adjacent to the central portion 13 in which the socket protrusion is not formed. It has a surface, the surface facing each other is a surface that resists the shear force applied in the longitudinal direction of the bonding end surface 11 in the connection between the adjacent culvert boxes (10, 20).

Meanwhile, referring to the drawing, sealing members 15a and 15b for waterproofing are interposed between the bonding end surfaces 11 and 21 of the adjacent culvert boxes 10 and 20 that face each other. Referring to the drawings, the sealing members 15a and 15b are installed along both sides of the gap formed between the socket protrusion 12 and the socket recess 22 of the neighboring culvert boxes 10 and 20. Each of the sealing members 15a and 15b has both side portions of the socket protrusion 12, that is, the inner portion 11a and the outer portion 11b of the socket protrusion 12 at the joint end face 11 on which the socket protrusion 12 is formed. Are provided along each of the sealing members 15a and 15b, and each of the sealing members 15a and 15b is formed at both sides of the socket recess 22, i.e., the inner portion of the socket recess 22, at the joint end surface 21 on which the socket recess 22 is formed. It is in close contact with each of the 21a) and the outer portion 21b. As a result, the gap between the socket protrusion 12 and the socket recess 22 is sealed.

The mortar 30 is filled and cured in the gap formed between the socket recess 22 and the socket protrusion 12. In order to fill the mortar 30, an end portion is cut in at least one or more positions on the upper side of the joint end surface 21 of the culvert box 20 in which the socket recess 22 is formed, thereby forming injection holes 22a, 22b, and 22c. do.

On the other hand, the bracket 40 is installed in the connection portion of the neighboring culvert boxes 10 and 20, the connection is reinforced. Referring to the drawings, the bracket 40 is spread over neighboring culvert boxes 10 and 20 so that both ends thereof are fixed to outer surfaces of each of the neighboring culvert boxes 10 and 20. Bracket fasteners 17 and 27 are formed on the outer surfaces of the culvert boxes 10 and 20 to fix the bracket 40 at positions where the bracket 40 is to be fixed. The bracket 40 is fixed to the outer surface of the culvert boxes 10 and 20 by fastening the fastening bolt 41 to the bracket fasteners 17 and 27 through holes formed in the bracket 40. As described above, the bracket 40 fixed to the outer surface of the culvert boxes 10 and 20 at the connection portions of neighboring culvert boxes 10 and 20 reinforces the connection of the culvert boxes 10 and 20. That is, the bracket 40 provides resistance to tensile and shear forces applied to the connection portions of neighboring culvert boxes 10 and 20.

On the other hand, the socket and bracket reinforcement assembly PC culvert according to the present invention is the connection of the neighboring culvert box (10, 20) is inserted into the wire insertion hole (16, 26) formed in the culvert box (10, 20) tension wire (50) It can be reinforced by the force in the direction of close contact with each other by the elastic force of). The present invention is to fill the gap between the wire insertion hole (16, 26) and the steel wire 50 inserted therein so that the mortar (30) is filled in the gap between the socket protrusion 12 and the socket recess 22 It features. To this end, the inlet of the wire inlet (16, 26) is located inside the area sealed by the sealing member (15a, 15b) so that the mortar (30) flowing between the socket recess 22 and the socket protrusion 12 is a wire The inlet of the wire insertion hole 16 and 26 is connected to the gap formed by the socket recess 22 and the socket protrusion 12 so as to flow into the gap between the insertion holes 16 and 26 and the steel wire 50. Referring to the drawings, the junction cross section 21 of the culvert box 20 in which the socket recess 22 is formed has a recess around the portion where the inlet of the steel wire insertion hole 26 is positioned like the socket recess 22. As a result, the socket recess 22 is connected. When the mortar 30 is filled and cured by the gap between the wire insertion holes 16 and 26 and the steel wire 50, the steel wire 50 is attached to the inner wall of the wire insertion holes 16 and 26, and the culvert box 10, 20) becomes stronger. In addition, the mortar 30 is filled in the gap between the wire inserting holes 16 and 26 and the wire 50 so that water does not flow into the wire inserting holes 16 and 26, thereby preventing corrosion of the steel wire 10. do.

According to the above configuration, the socket and bracket reinforcement-type PC culvert according to the present invention has a socket protrusion and a socket recess corresponding to each other, and mortar is filled and cured in the gap between the socket protrusion and the socket recess. The resistance to the shear force applied to the connection part of the culvert box is reinforced, and the connection part has the advantage that the resistance to the tensile force and the shear force is reinforced by the bracket.

In addition, the socket and bracket reinforcement assembly PC culvert according to the present invention is filled by curing the mortar in the gap between the steel wire insertion hole and the steel wire is inserted into the tension liner is inserted to connect the adjacent culvert box, the connection by the steel wire becomes stronger and It has the advantage that corrosion is prevented.

The socket and bracket reinforcement assembly PC culvert described above and shown in the drawings is only one embodiment for carrying out the present invention, and should not be construed as limiting the technical idea of the present invention. The scope of protection of the present invention is determined only by the matters described in the following Utility Model Registration Claims, and the embodiments of the present invention which have been improved and changed without departing from the gist of the present invention are obvious to those skilled in the art. As long as it is one of the protection scope of the present invention.

1 is a perspective view showing a socket and bracket reinforcement assembly PC culvert according to an embodiment of the present invention

Figure 2 is an exploded perspective view showing a socket and bracket reinforcement assembly PC culvert according to an embodiment of the present invention

3 is a cross-sectional view taken along the line A-A of FIG.

4 is a cross-sectional view taken along the line B-B of FIG.

Figure 5 is a plan view showing a cross-section of the socket and bracket reinforcement assembly PC culvert according to an embodiment of the present invention

FIG. 6 is a cross sectional view taken along the line C-C in FIG.

Figure 7 is a plan view showing a cross-section of the socket and bracket reinforcement assembly PC culvert according to an embodiment of the present invention

FIG. 8 is a cross-sectional view taken along the line D-D of FIG.

<Short description of the major reference symbols>

10, 20 culvert boxes

11, 21 joint section

12 socket projection

22 socket

15a, 15b sealing member

16, 26 steel wire insertion hole

17, 27 Bracket fastener

30 mortar

40 Bracket

50 liner

Claims (3)

In the prefabricated PC culvert that is connected to each other, the junction cross-section of neighboring culvert box, The protruding socket protrusion is formed along the joint section in the joint section of one of the neighboring culvert boxes, The junction cross section of the other culvert box is formed along the junction cross section, the recessed recess formed in the concave shape so as to have a width and depth for accommodating the socket protrusion is not in contact, Adjacent culvert boxes have a gap formed between the socket protrusion and the socket recess, and both sides of the socket protrusion and the socket recess corresponding to the socket recess are interposed with each other so that the joint cross sections face each other. Mortar is filled and cured in the gap formed between the socket recess and the socket protrusion. The connecting portion of the neighboring culvert box is a socket and bracket reinforcement assembly PC culvert, characterized in that the bracket is spread over the neighboring culvert box, each end is fixed to the outer surface of each of the neighboring culvert box. The method of claim 1, And the socket protrusion is discontinuously formed along the joint section. The method according to claim 1 or 2, Adjacent culvert boxes are connected to each other by inserting a tensile wire into the steel wire insertion hole formed in the longitudinal direction, The inlet of the wire inlet is located inside the area sealed by the sealing member so that the inlet of the wire inserting inlet is connected to the socket recess and the socket protrusion so that the mortar introduced between the socket recess and the socket protrusion enters the gap between the wire insert and the wire. Socket and bracket reinforcement assembly PC culvert, characterized in that connected with the gap formed by.