KR100277744B1 - Concrete structure connection device and connection method - Google Patents

Abstract

Concrete structures 12 and 14 are prepared in which two female threaded members 24 are provided at different heights on opposite surfaces. One end of one flat iron 16 is fixed to upper and lower ends of both outer surfaces of the first concrete structure 12, respectively. Eye bolts 48 having eye parts 50 in which holes 52 are formed are fastened to the female screw members 24, respectively. After the eye bolts 48 are fastened, the water expansion index 38 is adhered to the bottom surface of the second depressions 28 of the first concrete structure 12. The second concrete structure 14 such that the eye bolts 48 holes 52 of the second concrete structure 14 are generally aligned with the eye bolts 48 holes 52 of the first concrete structure 12. ) Is pushed towards the first concrete structure 12. Then, the round bar 54 is fitted into the holes 52. Then, the other end of the flat iron 16 is fixed to the up and down ends of both outer surfaces of the second concrete structure 14. Finally, the remaining space between the two concrete structures 12, 14 is filled with grout filler 40.

Description

Concrete structure connection device and connection method

The present invention relates to a concrete structure connecting device and a connection method, in particular to provide a guideline when connecting the concrete structure to facilitate the installation and to connect the concrete structures firmly to prevent the isolation of the structure and the structure The present invention relates to an apparatus and a method for connecting concrete structures that ensure perfect water tightness.

Typically, concrete structures such as large water pipes, sewer pipes, or concrete boxes are installed in waterways, sewers, or steep slopes, and these concrete structures are generally suited to the situation by placing two concrete structures on a flat surface. Are connected to each other by using Since such a method cannot always provide a guideline that can be used consistently, a case arises in which construction cannot be easily made.

In order to solve the above problems, a method of connecting two concrete structures by inserting the plug portion into the socket portion by forming a socket portion and a plug portion at the end of the concrete structure to be connected is used, but in such a method, When the ground collapse or ground unequal settlement occurs because the connection strength falls, there is a problem that the watertightness is impaired because the structure and the structure are easily isolated.

The present invention was created to solve the problems inherent in the concrete connection structure according to the prior art as described above, the object of the present invention can be easily made by installing a guideline when connecting the concrete structure The present invention provides a concrete structure connecting device and a method of connecting a concrete structure to ensure perfect watertightness by preventing the isolation of the structure and the structure by firmly connecting the concrete structures.

1 is a perspective view showing a concrete structure according to the present invention.

Figure 2 is a plan view showing a state in which the eye bolt is fastened to the two concrete structures connected to each other and the water expansion index interposed.

Figure 3 is a plan view showing a state in which the connection of the two concrete structures is terminated by the concrete structure connecting device according to the present invention.

4 is a front view of FIG. 3.

5 is a perspective view showing a state in which concrete structures constituting a water pipe are connected to each other.

6 is a perspective view showing a state in which the concrete structures constituting the retaining wall are connected to each other.

Figure 7 is a perspective view showing a state in which the concrete structures constituting the culvert are connected to each other.

Explanation of symbols on the main parts of the drawings

10: concrete structure connecting device 12: the first concrete structure

14: 2nd concrete structure 16: flat iron

18: Bolt 20: Nut

22: washer 24: female thread absence

26: first depression 28: second depression

30: first space 32: second space

34: reinforcing bar 36: fixed round bar

38: water expansion index 40: grout filler

42: water pipe 44: retaining wall

46: culvert 48: eye bolt

50: Aibu 52: hole

54: round bar

According to one aspect of the present invention, there is provided a concrete structure connecting device, wherein the connecting device is respectively installed at different heights in such a manner as to extend inwardly of each concrete structure from opposite surfaces of two concrete structures to be connected to each other. Absence of at least one female thread; Two or more eye bolts having eye parts fastened to respective female screw members to form holes; A fixed round bar fitted through the holes of the eye bolt; And a plurality of flat iron members each having both ends fixed to outer surfaces of the two concrete structures.

According to another aspect of the invention, the connecting device further comprises a filler for filling the remaining space between the two concrete structures.

According to another aspect of the present invention, first recesses are formed on opposite surfaces of the two concrete structures, respectively, to provide a first space between the two concrete structures, and the eye bolt in the first space. The child part of is located.

According to another aspect of the present invention, at least one second recessed portion is formed on opposite surfaces of the two concrete structures, respectively, to provide at least one second space between the two concrete structures, and the second space. A water expansion index agent is provided.

According to another aspect of the present invention, one or more reinforcing bars and / or fixing round bars are fixed to the female screw member inside each concrete structure.

According to another aspect of the present invention, there is provided a method for connecting a concrete structure, the method comprising the steps of: preparing concrete structures each having a female screw member provided at different heights on opposite surfaces; Securing one end of the at least one flat iron member to both outer surfaces of the concrete structure of one of the two concrete structures to be connected to each other; Fastening eye bolts having eye portions formed therein to the female screw members of the two concrete structures, respectively; Pushing the other concrete structure toward the connection position such that the holes of the respective eye bolts are aligned in the vertical direction; Inserting a round rod into the holes of the eye bolts aligned in the vertical direction; Securing the other ends of the at least one flat iron member to both outer surfaces of the other concrete structure; And filling the remaining space between the two concrete structures with a filler.

According to another aspect of the invention, the method further comprises interposing a water expansion index agent between the two concrete structures before or after the step of fastening the eye bolt to the female screw member. do.

According to the above characteristics of the present invention, the guideline when connecting the concrete structure is presented, so that the installation can be made easily. In addition, since the concrete structures are firmly connected, the structures and structures are not isolated due to the collapse of the ground after construction or uneven settlement of the concrete structures, thereby ensuring perfect watertightness.

Hereinafter, with reference to the accompanying drawings will be described a preferred embodiment of the present invention, the same reference numerals will be used for the same parts throughout the drawings.

1 shows a perspective view of a concrete structure according to the present invention; 2 is a plan view showing a state in which an eye bolt is fastened to a concrete structure connected to each other and a water expansion index is interposed; Figure 3 shows a plan view showing a state in which the connection of the two concrete structures is terminated by the concrete structure connecting device according to the present invention; 4 shows a front view of FIG. 3.

The concrete structure connecting device 10 according to the present invention includes a first concrete structure 12 and a second concrete structure 14. A middle portion of each concrete structure 12 and 14 is formed with a first depression 26 extending in the vertical direction, and the first concrete structure 12 and the second are formed by two first depressions 26. The first space 30 is formed between the concrete structures 14. In each of the concrete structures 12 and 14, two female thread members 24 are provided on the bottom surface of the first recess 26 in the vertical direction, and each female thread member 24 is provided in the concrete structure 12, 14. 14) extends toward the inside. The female screw members 24 are arranged to be positioned at different heights along the concrete structures 12 and 14.

Inside the respective concrete structures 12 and 14, two axially extending fastening rods 36 are fixed to the outer surface of each female threaded member 24, and the two fastening rods 36 have a radius. Reinforcing bar 34 extending in the direction is fixed. The fixed round bar 36 and the reinforcing bar 34 function to increase the fixed rigidity of the female screw member 24.

An eye bolt 48 is fastened to each female screw member 24, and the eye bolt 48 has an eye portion 50 in which a hole 52 is formed. With the eye bolt 48 fastened to the female screw member 24, a substantially half of the eye portion 50 is received in the first recess 26 formed in the first concrete structure 12, and the rest The half part is accommodated in the first depression 26 formed in the second concrete structure 14. Each of the holes 52 formed in the four eye portions 50 is aligned so as to be generally located in a straight line, through which the round bar 54 is fitted.

Second and second recesses 28 are formed on surfaces of the first concrete structure 12 and the second concrete structure 14 facing each other on both outer sides of the first recess 26, respectively. The second space 32 is provided between the first concrete structure 12 and the second concrete structure 14 by the second depression 28. The second space 32 is provided with a water expansion index 38, which is in the art such as adhesive on the surface of the first concrete structure 12 or the second concrete structure 14. It is attached using any suitable means known to the. The water-expandable index agent 38 expands when it contains moisture to fill a gap between the first concrete structure 12 and the second concrete structure 14.

In the state where the first concrete structure 12 and the second concrete structure 14 are connected as described above, the remaining space between the first concrete structure 12 and the second concrete structure 14 is filled with a grout filler such as mortar ( 40) is filled using any suitable means known in the art, such as an air jock. The front and rear outer surfaces of the concrete structures 12 and 14 are provided with two flat irons 16 extending in a horizontal direction, respectively, and both ends of each flat iron 16 are bolts 18, nuts 20 and washers 22. Are fixed to the first concrete structure 12 and the second concrete structure 14, respectively.

5, a perspective view showing a state in which concrete structures constituting a water pipe are connected to each other; 6 is a perspective view showing a state in which concrete structures constituting the retaining wall are connected to each other; Figure 7 shows a perspective view showing a state in which the concrete structures constituting the culvert are connected to each other.

When the concrete structures 12 and 14 according to the present invention are used as the water pipes 42, the upper surface of each concrete structure is opened as shown in FIG. 5, and when the retaining wall 44 is formed, as a base for a steep slope or the like. When used as a culvert 46, it forms a hollow forward cross-sectional structure.

Hereinafter, a method of connecting two concrete structures 12 and 14 to each other by using the concrete structure connecting device 10 according to the present invention structured as described above will be described in detail.

Initially, concrete structures 12 and 14 are prepared in which two female threaded members 24 are provided at different heights on opposite surfaces, respectively. Then, one end of each flat iron 16 is fixed to the upper and lower ends of both outer surfaces of the first concrete structure 12 using bolts 18, nuts 20 and washers 22. Then, eye bolts 48 having eye parts 50 in which holes 52 are formed are fastened to the female screw members 24, respectively. After the eye bolts 48 are fastened, the water expansion index 38 is adhered to the bottom surface of the second recessed portion 28 of the first concrete structure 12 by using an adhesive. Then, the second concrete such that the eye bolts 48 holes 52 of the second concrete structure 14 are generally aligned with the eye bolts 48 holes 52 of the first concrete structure 12. The structure 14 is pushed towards the first concrete structure 12. Round bars 54 are fitted in the holes 52 that are generally aligned. Then, the other end of the flat iron 16 is fixed to the up and down ends of both outer surfaces of the second concrete structure 14. Finally, the remaining space between the two concrete structures 12, 14 is filled with grout filler 40.

According to the configuration as described above of the present invention, by providing a guideline when connecting the concrete structure, the installation can be made easily. In addition, since the concrete structures are firmly connected, the structures and structures are not isolated due to the collapse of the ground after construction or uneven settlement of the concrete structures, thereby ensuring perfect watertightness.

While the present invention has been illustrated and described with reference to certain preferred embodiments, the invention is not limited thereto but may vary without departing from the spirit or scope of the invention as set forth in the claims below. It will be readily apparent to those skilled in the art that such modifications and variations can be made in the art. For example, in the above embodiment of the present invention, the water-expansion index agent 38 is attached to the bottom surface of the second recess 28 after the eye bolt 48 is fastened to the female screw member 24. It will be appreciated that the water expansion index 38 may adhere to the bottom surface of the second recess 28 before the bolt 48 is fastened to the female screw member 24.

Claims (7)

In the concrete structure connecting device, At least two female screw members each installed at different heights in a manner extending from the opposing surfaces of the two concrete structures to be connected to each other to the inside of each concrete structure; Two or more eye bolts having eye parts fastened to respective female screw members to form holes; A fixed round bar fitted through the holes of the eye bolt; And And a plurality of flat iron members each having both ends fixed to outer surfaces of the two concrete structures. The method of claim 1, And a filler for filling the remaining space between the two concrete structures. The method of claim 1, A first recessed portion is formed on the opposing surfaces of the two concrete structures, respectively, to provide a first space between the two concrete structures, and the eye portion of the eye bolt is positioned in the first space. Concrete structure connecting device. The method of claim 1, One or more second depressions are formed on opposite surfaces of the two concrete structures, respectively, to provide one or more second spaces between the two concrete structures, and the second space is provided with a water expansion index agent. Concrete structure connecting device characterized in that. The method of claim 1, Concrete structure connecting device, characterized in that one or more reinforcing reinforcement and / or fixed round bar is fixed to the female screw member inside each concrete structure. In the concrete structure connection method, Preparing concrete structures each having a female screw member provided at different heights at surfaces facing each other; Securing one end of the at least one flat iron member to both outer surfaces of the concrete structure of one of the two concrete structures to be connected to each other; Fastening eye bolts having eye portions formed therein to the female screw members of the two concrete structures, respectively; Pushing the other concrete structure toward the connection position such that the holes of the respective eye bolts are aligned in the vertical direction; Inserting a round rod into the holes of the eye bolts aligned in the vertical direction; Securing the other ends of the at least one flat iron member to both outer surfaces of the other concrete structure; And And filling the remaining space between the two concrete structures with a filler. The method of claim 6, And interposing a water expansion index agent between the two concrete structures before or after the step of fastening the eye bolt to the female screw member.