KR100988335B1 - Joint structure of concrete duct and manhole using the same - Google Patents

Abstract

The present invention relates to a fastening structure of a concrete pipe and a manhole using the same, and more particularly, to form a protrusion corresponding to an inner side or an outer side of each concrete pipe portion to be coupled so as to be connected to each other, and to correspond to the surface in contact with each length direction By forming a predetermined space portion by the first groove and the second groove formed in the position and filling the coupling member made of mortar in the space portion, it is possible to easily join the two concrete pipes, to each of the concrete pipes By using the fastening structure of the concrete pipe which has the effect of maintaining the coupling even if tension or lateral force is applied, and the fastening pipe of the manhole, the manhole collecting pipe can be easily laminated with two or more concrete pipes to increase the height. It is about a manhole which can be constructed variably.

Concrete pipe, fastening structure, manhole

Description

Fastening structure of concrete pipe and manhole using it {JOINT STRUCTURE OF CONCRETE DUCT AND MANHOLE USING THE SAME}

The present invention relates to a fastening structure of a concrete pipe and a manhole using the same. More specifically, the fastening structure of a new concrete pipe that secures watertightness and maintains coupling even when tension is applied to both ends by effectively fastening two concrete pipes and It relates to a manhole using the same.

Until now, when joining concrete pipes used in the manhole collecting pipe, water / sewage pipe, sewage / wastewater pipe, and various other waterways, it has simply been mortarized on the connection part.

As a result, the bonded concrete pipe has a problem that the connection part is easily broken when the tension or the lateral force is acted on by the change of the environment such as the installed terrain.

In particular, the collecting pipe of the manhole is installed in different sizes depending on the purpose of use or the installation location, at this time, there is a demand for a technology for effectively bonding the concrete pipe used as the collecting pipe.

By the way, the collecting pipe of the manhole so far, as shown in Fig. 1 (Korean Patent No. 10-575134), simply connect the upper and lower concrete pipes or make a stepped and inserted into the two or more concrete by mortar treatment on the connection site I have joined the pipe.

By doing so, when the wing piece is formed in the cap concrete 150 in order to prevent the settlement of the manhole 100 according to the ground subsidence in FIG. 1, the water collecting box 110 composed of the manhole tube 114 and the water collecting port 112 is A problem arises in that it is easily separated from each connection by the load of the manhole or the manhole filling.

In addition, even if a slight crack in the connection portion there is a problem that the filling of the manhole leaks and pollutes the surroundings.

Therefore, an object of the present invention is to provide a fastening structure of a new concrete pipe for solving the problems of the conventional concrete pipe connection.

In addition, another object of the present invention is to provide a manhole that can solve the problem of conventional water pipe connection by using the fastening structure of the new concrete pipe.

The fastening structure of the concrete tube according to the present invention for achieving the above object is the outer diameter is shortened vertically while the inner diameter is increased so as to be connected to the first concrete pipe having a vertically stepped projection, and the projection of the first concrete pipe. In the structure for fastening the second concrete pipe having a protruding protrusion, the protrusion of the first concrete pipe is formed with a first groove having a predetermined depth inward on the outer surface in the longitudinal direction, the protrusion of the second concrete pipe The second groove having a predetermined depth to the outside is formed at the inner side position in the longitudinal direction facing the first groove, the space portion formed by the first groove and the second groove is filled with a coupling member made of mortar The first concrete pipe and the second concrete pipe is fastened to each other, wherein the first groove and the second groove are annular grooves having an arbitrary cross section, At least one through groove connected to the first groove or the second groove is formed in the first concrete pipe or the second concrete pipe, respectively.

In addition, the manhole according to the present invention is a manhole comprising a collecting pipe connected to the inlet pipe and the drain pipe so that the waste water / waste water is stored in a predetermined amount, and a lid for opening and closing the upper portion of the collecting pipe, the collecting pipe is It is characterized by consisting of two or more concrete pipes coupled by the fastening structure of the concrete pipe according to the present invention.

The fastening structure of the concrete pipe according to the present invention forms a protrusion corresponding to the inside or the outside of each concrete pipe portion to be joined to be connected to each other, the first groove and the second formed in the corresponding position of the surface in contact in each longitudinal direction By forming a predetermined space portion by the groove and filling the coupling member made of mortar into the space portion, the two concrete pipes can be easily coupled, and the coupling is maintained even if a tension or a lateral force is applied to each of the coupled concrete pipes. It can be effective.

In addition, by using the fastening structure of the concrete pipe according to the present invention in the manhole, it is possible to easily stack the manhole collecting pipes into two or more concrete pipes and to vary the height of the construction.

Hereinafter, with reference to the accompanying drawings will be described in detail an embodiment of the present invention.

[About the fastening structure of concrete pipe Example ]

The fastening structure of the concrete pipe according to the present invention is basically, as shown in Figure 2, the outer diameter of the first concrete pipe 10 having a vertically stepped protrusion 11 and the first concrete pipe 10 of the In the structure for fastening the second concrete pipe 20 having a larger internal diameter and vertically stepped protrusions 21 so as to be connected to the protrusions 11, the protrusions 11 of the first concrete pipe are outside the longitudinal direction. A first groove 12 having a predetermined depth is formed on the side, and the protrusion 21 of the second concrete pipe is predetermined outward at an inner side surface position in the longitudinal direction facing the first groove 12. A second groove 22 having a depth is formed, and the space portion formed by the first groove and the second groove has a mortar or a third material (an integral material that can be filled into the space portion and solidify into a solid). Filling the coupling member 80 made of the first concrete 10 and has a structure for fastening the second concrete pipe (20).

Here, one or more of the first groove and the second groove may be discontinuously formed at a position corresponding to each other on the surface protruding vertically in the longitudinal direction, as shown in FIG. It is preferably formed of (12) (22). In this case, the cross section of each annular groove does not necessarily need to be a semicircle, but may be a polygon or a semi-ellipse such as a rectangle or a triangle.

In addition, the first concrete pipe 10 or the second concrete pipe 20 is formed with at least one through groove connected to the first groove 12 or the second groove 22, respectively, through the It is preferable to be able to fill the coupling member 80, the through groove is sufficient to form only one of the first concrete pipe 10 and the second concrete pipe 20.

2 and 3 show four through grooves 28 formed in the second concrete pipe 20 so as to be connected to the second grooves 22.

In addition, the end portion 11a of the protrusion 11 of the first concrete tube is in contact with the second concrete tube 20 and the end 21a of the protrusion 21 of the second concrete tube is the first concrete tube. It is preferable that watertight annular grooves are formed at each end and a corresponding surface at at least one of the surfaces in contact with (10), and the packing members 32 and 34 are fastened to the space portion by the watertight annular grooves.

That is, as shown in FIG. 2, the watertight annular grooves 16 and 24 are formed to face each other on one surface of the protrusion 11a of the first concrete pipe and the one surface of the second concrete pipe 20 in contact with the first concrete pipe. The packing member 34 is fastened to the space portion thereby.

In addition, the water-proof annular grooves 26 and 14 are respectively formed on one surface of the protruding portion 21a of the second concrete pipe and one surface of the first concrete pipe 10 in contact therewith, so as to face each other. The packing member 32 is fastened.

The watertight annular grooves may be formed on both side surfaces of each step, or may be formed only at one place, and the packing members 32 and 34 may be inserted in all or only one of them.

Here, the packing members 32 and 34 preferably use rubber rings or water-expandable index material rings.

In FIG. 3, the top view of the coupling structure of FIG. 2 is conceptually illustrated. The coupling member 80 is filled in the center portion of the wall of the concrete pipe and the four through holes 28, and the packing is done inside and outside. The members 34 and 32 are inserted.

A cross section taken along line AA ′ of FIG. 3 is shown in FIG. 4, and a cross section taken along line BB ′ of FIG. 3.

Referring to FIG. 5, the first concrete pipe 10 and the second concrete pipe 20 are inserted and fastened by stepped protrusions 11 and 21, respectively, and packing members 32 and 34 are joined to each joint surface. The coupling member 80 is fastened.

In addition, in FIG. 4, reference numeral 28 denotes a through groove formed in the second concrete pipe 20, through which the coupling member 80 is formed in the space portion formed by the first groove 12 and the second groove 22. After the filling, the coupling member 80 is also filled in the through groove 28.

Therefore, as in the present embodiment, the coupling member 80 is fastened to the surface of the concrete tube in contact with the longitudinal direction, so that the first groove 12 and the second groove even when tension is applied in the longitudinal direction to each of the coupled concrete pipes. It is a core technical idea of the present invention to be able to maintain the coupling by the coupling member 80 fastened to the (22).

In addition, it is another core technical idea of the present invention to ensure watertight between the coupling gaps by selectively inserting the packing members 32 and 34 on the surface perpendicular to the longitudinal direction of the concrete pipe.

Meanwhile, at the time of fastening the concrete pipe, as shown in FIG. 2, the packing member 32 and / or the packing member 34 are placed on each of the grooves 14 and 16 on the first concrete pipe 10, and then the second After inserting the protrusion 21a of the concrete tube 20 to the corresponding protrusion 11a of the first concrete tube 10, the non-solid state coupling member 80 is filled through the through groove 28. When hardened, it is possible to simply fasten two concrete pipes.

When connecting protrusions (coupling portions) are formed at only one end of each of the first concrete pipe and the second concrete pipe, a predetermined connector may be further fastened therebetween to adjust the length or height of the concrete pipe.

At this time, the connector, as shown in Figure 6, both ends will have the same structure as the coupling portion of the first and second concrete pipe, respectively (identical reference numerals).

Therefore, in the case of fastening the concrete pipe by the connector 40, the mortar part by the groove formed in the joint surface between the connector 40 and the first or second concrete pipe 10, 20 Or a coupling member 80 or packing member 32, 34 composed of a third material (an integral material that can be filled into the space and harden into a solid), and the coupling member 80 is connected to the connector. It is injected by the through groove 28 formed in the (40).

[Manhole structure Example ]

Next, the manhole structure according to the present invention, in the manhole comprising a collecting pipe connected to the inlet pipe and the drain pipe so that the waste water / waste water is stored in a predetermined amount, and a lid for opening and closing the upper portion of the collecting pipe, The water pipe is characterized by consisting of two or more concrete pipes coupled by the fastening structure of the concrete pipe according to the embodiment.

Therefore, since the characteristic parts of the present embodiment overlap with the parts described in the embodiment of the fastening structure of the concrete pipe, description thereof will be omitted.

However, the collecting pipe is defined as an integral pipe constituting the manhole body except the manhole cover.

In addition, since the water collecting pipe is fastened by stacking two or more concrete pipes vertically, when the second concrete pipe is fastened on the first concrete pipe (FIG. 2), the through groove connected to the second groove 28. ) Is formed from the outside of the second concrete pipe 20 to the inner side down, and when the first concrete pipe is fastened (not shown) on the second concrete pipe (not shown), a through groove connected to the first groove is formed. 1 It is preferable that it is formed outward from the inner side of the concrete pipe.

Although a preferred embodiment of the present invention has been described in detail above, those skilled in the art to which the present invention pertains, the present invention in various forms within the spirit of the invention described in the appended claims Modifications or changes can be made and the description thereof is omitted.

1 is a cross-sectional view showing a conventional manhole structure (Korean Patent No. 10-575134).

Figure 2 is an exploded perspective view including a cross-sectional view showing an embodiment of the fastening structure of the concrete tube according to the present invention.

3 is a conceptual diagram of a structure viewed from above looking at FIG. 2.

4 and 5 are cross-sectional views taken along lines AA ′ and BB ′ of FIG. 3, respectively.

6 is an exploded perspective view including a cross-sectional view showing an embodiment of the connector according to the present invention.

<Explanation of protection for main parts of drawing>

10: first concrete pipe 11: protrusion of the first concrete pipe

12: first groove (annular groove)

14, 16: packing member insertion groove (annular groove) of the first concrete pipe

32, 34: packing member 20: second concrete pipe

21: protrusion of the second concrete pipe 22: second groove (annular groove)

24, 26: packing member insertion groove (annular groove) of the second concrete pipe

28: through groove 80: coupling member

Claims (8)

delete delete In the structure of fastening the first concrete pipe having a smaller outer diameter and vertically stepped protrusions, and the second concrete pipe having a vertically stepped protrusion while increasing its inner diameter so as to be connected to the protrusions of the first concrete pipe, The protrusion of the first concrete pipe is formed with a first groove having a predetermined depth inward on the outer surface in the longitudinal direction, The protrusion of the second concrete pipe is formed with a second groove having a predetermined depth outward at an inner side surface position in the longitudinal direction facing the first groove, The first groove and the second concrete pipe are fastened by filling a coupling member made of mortar in the space part formed by the first groove and the second groove, The first groove and the second groove are annular grooves having an arbitrary cross section, Fastening structure of the concrete pipe, characterized in that the first concrete pipe or the second concrete pipe is formed with at least one through groove connected to the first groove or the second groove, respectively. The method of claim 3, wherein Watertight annular shape at each end and corresponding surface at at least one of a surface where the end of the protrusion of the first concrete pipe is in contact with the second concrete pipe and the end of the protrusion of the second concrete pipe is in contact with the first concrete pipe. Grooves are formed, The fastening structure of the concrete pipe, characterized in that the packing member is fastened to the space portion by the watertight annular groove. The method of claim 4, wherein A predetermined connector is further coupled between the second concrete pipe and the first concrete pipe, The connector has the same structure as both ends of the coupling portion of the first and second concrete pipe, respectively, The space part formed by the groove formed in the joining surface between the connector and the first or second concrete pipe is filled with a coupling member or packing member composed of mortar. The coupling member is a fastening structure of the concrete pipe, characterized in that the injection by the through groove formed in the connector. In the manhole comprising a collecting pipe connected to the inlet pipe and the drain pipe so that the waste water / waste water is stored in a predetermined amount, and a lid for opening and closing the upper portion of the collecting pipe, The collecting pipe is a manhole, characterized in that made of two or more concrete pipes coupled by the fastening structure of the concrete pipe according to claim 4. The method of claim 6, When the second concrete pipe is fastened on the first concrete pipe, a through groove connected to the second groove is formed from the outer side to the inner side of the second concrete pipe. When the first concrete pipe is fastened on the second concrete pipe is a manhole characterized in that the through groove connected to the first groove is formed from the inner side of the first concrete tube to the outer side. The method of claim 7, wherein A predetermined connector is further coupled between the second concrete pipe and the first concrete pipe, The connector has the same structure as both ends of the coupling portion of the first and second concrete pipe, respectively, The space part formed by the groove formed in the joining surface between the connector and the first or second concrete pipe is filled with a coupling member or packing member composed of mortar. The coupling member is a manhole characterized in that the injection through the through groove formed in the connector.

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