KR100627709B1 - Assembly Water Tight Packing Material - Google Patents

Abstract

The present invention discloses a prefabricated watertight packing material which facilitates the installation and dismantling of the watertight packing material while closely closing the external inflow water.

The present invention is a straight watertight packing material formed by forming a pressing protrusion protruding on the lower surface and the watertight packing material formed with protrusions protruding on both sides with the same length and fastening buried nuts at both ends thereof, and an angled corner portion. The buried nut is fastened to both ends of the rectangular watertight packing material connected to the screw, and the screw is fastened to the buried nut is formed of a connection bolt formed with a projection in the center.

In addition, the watertight packing member has a straight length watertight packing material having the same length and forms an insertion hole for fixing the buried connection rod on both sides, and an insertion groove for fixing the buried connection rod is fixed to both ends of the right angle watertight packing material connected to the angled corner. And, it consists of a connection bolt and a nut inserted into the fastening hole formed in the buried connection.

In the present invention as described above, the crimping projection of the watertight packing material is maintained in a state of being closely adhered to the support layer or the leveling concrete in a line shape to increase the blocking of external inflow water, and to standardize the same length to improve the work efficiency, and caisson. By the weight of the pressing projections will be in close contact will increase the order effect.

Watertight packing materials, connecting bolts, steel wire, buried nuts, buried joints

Description

Assembly Water Tight Packing Material

1 is a cross-sectional view showing a bonding state of a conventional watertight material

Figure 2 is a cross-sectional view of another embodiment showing a combined state of a conventional watertight material.

Figure 3a and Figure 3b is a bottom view showing a first embodiment of the watertight sealing material of the present invention.

Figure 4a is an exploded perspective view showing a first embodiment of the watertight sealing material of the present invention.

Figure 4b is an exploded perspective view showing a first embodiment of the watertight sealing material of the present invention.

5 is a cross-sectional view of the prefabricated watertight seal member of the present invention installed in a caisson.

Figure 6a, b is a bottom view showing a second embodiment of the watertight sealing material of the present invention.

Figure 7 is an exploded perspective view showing a second embodiment of the watertight sealing material of the present invention.

Figure 8a is a side view of the prefabricated watertight sealing material of the present invention installed on the caisson.

8B is a longitudinal sectional view of FIG. 8A.

9 is a perspective view showing a third embodiment of the watertight sealing material of the present invention.

Figure 10 is an exploded perspective view showing a third embodiment of the watertight sealing material of the present invention.

Figure 11a is a partial bottom view of the present invention prefabricated watertight packing material installed in the caisson.

Fig. 11B is a partial side view of Fig. 11A.

Figure 12a is a cross-sectional view of the watertight packing material of the present invention, a rectangular watertight packing material.

12B is a cross-sectional view of the watertight packing material in a circular shape.

Figure 12c is a cross-sectional view of the watertight packing material of the polygonal shape.

Figure 13 is a schematic cross-sectional view of the prefabricated watertight seal member of the present invention.

14 is a cross-sectional view of the prefabricated watertight seal member of the present invention.

Figure 15 is a cross-sectional view showing another installation state of the prefabricated watertight seal member of the present invention.

* Description of the symbols for the main parts of the drawings *

1: crimping projection 2: projection

3: caisson 4: bending

5: support layer 6: leveling concrete

10: watertight packing material 11: straight watertight packing material

12: recess 13: screw groove

14: buried nut 14a, 14b: screw part

21: right angle watertight packing material 22: recessed part

23: screw groove

30; Connecting bolt 31: thread

32: turning

40; Straight Sealing Material 41: Buried Joint

42: insertion hole 43: fastening hole

50: square watertight sealing material 51: insertion hole

60: connecting bolt 61: screw

62: nuts

70: straight watertight sealing material 71: through hole

75: square watertight sealing material 76: through hole

80: steel wire 81: threaded portion

82: nut 83: injection tube

84: discharge pipe

The present invention relates to a prefabricated watertight packing material, and more specifically, to a plurality of watertight packing material made of a certain length by connecting the bolts and steel wires integrally, the watertight packing material is easy to install the watertight packing material while tightly blocking the external inflow water. It relates to a packing material.

As is well known, caisson removes the water around the pier so that it can be constructed in a dry state when constructing or repairing the bridge pier.A plurality of rods are combined around the pier to install a watertight tube between the ground and the bottom of the caisson. After installation, make sure the inside and outside of the caisson is completely watertight, and then remove the water inside the caisson to become dry, the worker enters the inside of the caisson to work.

Such a watertight tube has a problem that the volume of the watertight tube is large and difficult to install in order to maintain the watertight, and thus there is a difficulty in transporting and storing the watertight tube.

In this regard, the present applicant has proposed Utility Model Registration No. 318437 "Watertight Materials for Civil Engineering Applications" in order to solve the above problems, which are illustrated in FIGS. 1 and 2.

As shown in FIG. 1, a fastening hole 102 into which a bolt 110 is inserted is formed at the bottom surface of the panel 101 of the caisson 100, and a crimping portion 103 is formed at a lower surface thereof, and both sides of the panel 101 are formed at both sides thereof. A watertight packing material 105 having a protruding stepped portion 104 is formed, and a latching portion 106 is formed on the protruding stepped portion 104 and a through hole 107 is formed to which the bolt 120 is fastened. The clip 108 was fastened with the bolt 110 and the nut 109.

Another embodiment of such a watertight packing material is shown in FIG. 2, and the bolt 110 is integrally formed with the watertight packing material by fastening the bolt 110 to the panel 101 with a nut 109, and a rib outside the watertight packing material. (11) was formed to keep the watertight packing material in a solid state.

However, this watertight packing material has the inconvenience of installing a watertight packing material suitable for the size of the caisson, such as a square or a circle, polygon, etc., and also because the watertight packing material is composed of a single unit, its coupling and separation is difficult. Different sizes of caisson had a problem that is not suitable for recycling because the size does not fit.

An object of the present invention devised to solve the above problems is to provide a prefabricated watertight packing material that is easily assembled and disassembled watertight packing material regardless of the size of the caisson by standardizing the divided watertight packing material to a certain length. .                         

Another object of the present invention is to provide a prefabricated watertight packing material which is provided with a rectangular watertight packing material and a straight watertight packing material, respectively, by connecting bolts, steel wires, etc., so that no gap occurs in the joint.

In order to achieve the above object, the present invention provides a watertight packing material cut into a unit length, a recess formed in both sides of the watertight packing material, and a female thread part and a male thread part for fastening the plurality of watertight packing materials. A prefabricated watertight sealing material composed of means is proposed.

The prefabricated watertight sealing material is cut into unit lengths to form recesses having a predetermined depth on both sides thereof, and form a screw groove having a predetermined depth inside the recess, and have a hollow shape to fasten the buried nut having threaded portions formed on the inner and outer circumferential surfaces thereof. Watertight packing material and the fastening means has a threaded portion formed on both sides to be fastened to the buried nut, and has a connecting bolt formed with protrusions protruding up, down, left and right at the center portion, and cut into a unit length to have fastening holes formed at both sides. Straight watertight packing material having an insertion hole for fixing the buried connecting rod, and the fastening means is further provided with a connecting bolt formed with a screw portion is inserted into the fastening hole of the buried connecting rod and the nut is fastened on both sides, cut into a unit length Straight watertight packing material with a through hole formed at the center or a predetermined height, and cut at a unit length to a right angle A rectangular watertight packing material made of a horizontal through hole and a vertical through hole having different heights, and having a through hole orthogonal to each other, and a steel wire having threaded portions inserted into the through hole and fastening nuts to both sides thereof. It is further provided.

The present invention simplifies the assembly and dismantling work by assembling the watertight packing material divided into a predetermined length on the bottom of the caisson with a connection bolt or steel wire, and also easy to assemble and disassemble the watertight packing material, thereby reducing the watertight packing material assembly time. It will improve your efficiency.

Hereinafter, embodiments of the present invention will be described with reference to the drawings.

Prefabricated watertight packing material of the present invention consists of a straight watertight packing material 11 divided into a predetermined length, and a connection bolt 30 connecting them.

The watertight packing material 10 forms a crimping protrusion 1 protruding from a central portion of the lower surface thereof, and forms a protrusion 2 protruding from both sides of the upper portion, and the watertight packing material 10 is shown in FIG. 12. As described above, the shape is made of various shapes such as quadrangular, semi-circular, pentagonal, etc., and the watertight packing material 10 described below includes all the watertight packing materials 11,21, of the first, second, and third embodiments of the present invention. 40, 50, 70, 75) is a generic name.

3 to 5, the watertight packing material 10 of the first embodiment consists of a linear watertight packing material 11 and a connection bolt 30 connecting them. The straight watertight packing material 11 forms a concave indentation portion 12 having a space having a predetermined depth on both sides in the longitudinal direction having the same length, and a screw groove 13 having a predetermined depth inside the concave intake portion 12. Form.

The buried nut 14 fastened to the screw groove 13 forms a screw portion 14a on the outer circumferential surface of the hollow shape, and forms a screw portion 14b on the inner circumferential surface thereof.

In addition, the rectangular water-tight packing material 21 is further provided, but having the same length, and forming it in a rectangular shape, forming a concave portion 22 formed with a predetermined depth on both sides, and the concave portion ( 22 to form a screw groove 23 of a predetermined depth.

Along with this, the connecting bolt 30 forms a screw portion 31 fastened to the buried nut 14 on both sides shorter than the length of the buried nut 14, and forms projections 32 protruding vertically, horizontally, and horizontally. .

In addition, the connection bolt 30 has a threaded portion 31 formed on both sides of one side of the left screw, the other side is made of a stud bolt form formed with the right screw.

In the first embodiment of the present invention, when the caisson 3 is circular, as shown in FIG. 3A, only the linear watertight packing material 11 is connected. The straight watertight packing material 11 connected adjacent to each other is connected to the bolt 30. One side of the threaded portion 31 of the screw) is first fastened to the threaded portion 14a of the buried nut 14, and then connected to the threaded portion 14 of the straight nut sealing member 11 connected to it. The other side of the threaded portion 31 is fastened, and thus the adjacent watertight sealing material 11 adjacent to each other is continuously attached to the bottom surface of the caisson 3 in a circular shape.

In addition, when the caisson 3 is a square as shown in Fig. 3b, a plurality of straight watertight sealing materials 11 are adjacent to each other, and one side of the threaded portion 31 of the connecting bolt 30 is first screwed into the buried nut 14. When the connection of the straight watertight packing material 11 by the length of one side of the square is completed by fastening the 14a, the watertight watertight packing material 21 is coupled to the connection bolt 30 as described above.

In this way, the caisson 3 is connected to the straight watertight packing material 11 and the rectangular watertight packing material 21 in the same manner as the length of one side of the caisson 3, and then the four sides of the rectangle are connected to the straight watertight packing material 11 ) And the rectangular watertight packing material 21 is attached to the bottom surface of the caisson (3).

In addition, according to the second embodiment of the present invention, as shown in FIGS. 6 to 8, the watertight packing material 10 has a straight watertight packing material 40 having a uniform length, and a rectangular watertight packing made of a rectangular shape. The ash 50 and the connection bolt 60 which connects these watertight packing materials 40 and 50 with each other are comprised.

The linear watertight packing material 40 is formed of a plurality of having a uniform uniform length, and the insertion hole 42 is inserted into the buried connecting portion 41 is fixed at a predetermined position at both ends.

The buried connecting rod 41 has a length greater than the thickness of the watertight packing material 10, and forms a fastening hole 43 into which the connection bolt 60 is inserted, both sides of which are in the shape of a polygon such as a circle or a square. Is done.

In addition, the rectangular watertight packing material 50 is made of a rectangular shape, unlike the straight watertight packing material 40, the insertion hole 51 is inserted into the buried connecting portion 41 is fixed at both ends of the rectangular shape. The insertion hole 51 is inserted into and fixed to the insertion hole 51.

In addition, the connection bolt 60 is the distance of each buried connecting rod 41 fixed to the straight watertight packing material 40 and the straight watertight packing material 40, the straight watertight packing material 40 and the right angle watertight packing material 50. The threaded portion 61 is formed on both outer peripheral surfaces of the longitudinal direction with a larger length.

The screw portion 61 has a nut 62 fastened to the screw portion 61 formed on both sides of the buried connecting rod 41.

In addition, according to the second embodiment of the present invention, as shown in FIG. 6A, when the caisson 3 has a right angle, the buried connecting rod 41 is inserted into the insertion hole 42 of the straight watertight packing material 40 so as to be fixed thereto. The projection 2 of the linear watertight packing material 40 is fitted to the bending projection 4 formed on the bottom surface of the caisson 3.

Insert the buried connecting rod 41 into the straight watertight packing material 40 adjacent thereto and then insert the straight watertight packing material 40 into the bending protrusion 4 of the caisson 3, and two buried connection bars adjacent to each other ( The connecting bolt 60 is inserted into the fastening hole 43 of the 41 to be fastened with the nut 62 at both sides.

Thus, the linear watertight packing material 40 is attached to the bending protrusion 4 of the caisson 3 while the buried connecting rod 41 is continuously fixed to the insertion hole 42 in the adjacent watertight packing material 40 adjacent to each other. Then, the connection bolt 60 is inserted into the fastening hole 43 to be fastened with the nut 62 to complete the connection of the watertight packing material 40 to the same diameter as the circular caisson 3.

In addition, as shown in FIG. 6B, when the caisson 3 is circular, the buried connecting rod 41 is fixed to the insertion hole 42 of the straight watertight packing material 40 and inserted into the bending protrusion 4 of the caisson 3. The connecting bolt 60 is inserted into the fastening hole 43 of the linear watertight packing material 40 adjacent to each other to be fastened with the nut 62.

After the connection of the straight watertight packing material 40 on one side is completed, the right angled watertight packing material 50 is connected to the corner portion, and the straight watertight packing material 40 and the right watertight packing on three sides and four corners. The ash 50 is continuously connected to the sides and corners.

When the three sides and the four corners are connected in this way, the watertight packing material 40 is connected to the straight one by continuously connecting the connection bolt 60 to the nut 62.

In addition, according to the third embodiment of the present invention, as shown in FIGS. 9 to 11, the watertight packing material 10 includes a straight watertight packing material 70, a right angled watertight packing material 75, and It consists of a steel wire 80 to interconnect them.

The linear watertight packing material 70 is formed of a plurality of uniformly having a constant length, the center is formed with a through hole 71 penetrating the straight watertight packing material 70 in the longitudinal direction. The through hole 71 is formed by varying the height of the through hole 71 so as to be inserted in a straight line with the through hole 76 of the rectangular watertight packing material 75.

That is, the through hole 71 of the straight watertight packing material 70 connected in the horizontal direction, if the height is formed in the center of the watertight packing material, the through hole 71 of the straight watertight packing material 70 connected in the vertical direction The through hole 71 is formed above or below the center of the watertight packing material.

The height of the through-hole 71 is a step of the height in the vertical direction and the horizontal direction is formed so that the steel wire 80 to be described later cross each other.

In addition, the rectangular watertight packing material 75 is formed in a rectangular shape, and the rectangular watertight packing material 75 is formed with through holes 76 that cross each other in the same manner as the straight watertight packing material 70, but through The hole 76 is formed by different heights of the horizontal through hole 76 and the vertical through hole 76, as in the linear watertight packing material 70.

In addition, the linear watertight packing material 70 and steel wires 80 inserted into the through holes 71 and 76 of the rectangular watertight packing material 75 are provided, and on both outer circumferential surfaces of the steel wires 80, screw portions ( And a nut 82 fastened to the threaded portion 81.

In the third embodiment of the present invention, as shown in FIG. 9, a plurality of linear watertight packing materials 70 having a uniform length in a square caisson are inserted into the bending protrusions 4 of the caisson 3, After the rectangular watertight packing material 70 is inserted in a straight line, a straight line wire 80 is formed in the through hole 71 of the straight watertight packing material 70 and the through hole 76 of the rectangular watertight packing material 75. The nut 82 is fastened to both ends thereof.

In this manner, the same type of watertight packing material 70 and the watertight watertight packing material 75 of the rectangular shape are inserted into the bending protrusion 4, and then the steel wire 80 is inserted through the through holes 71 and 76. Tighten the nut 82.

Subsequently, when the caisson 3 combined with the watertight packing material 10 of the first, second and third embodiments is submerged in water, the leveling concrete 6 is applied to the support layer 5 as shown in FIG. Place the caisson 3 with the watertight packing material 10 attached thereto, and the crimping projection 1 of the watertight packing material 10 is kept in close contact with the support layer 5 or the leveling concrete 6. Done.

In addition, in FIG. 14, the watertight packing material 10 is in close contact with the lower end of the caisson 3, and the watertight packing material 10 has a bottom surface and a supporting layer 5 or a leveling concrete of the immersed caisson 3. 6) The concentrated load acts on a point by the weight of the caisson 3 on the point, so that the crimping protrusion 1 is pre-closed so that external water outside the caisson 3 does not flow into the caisson 3.

In FIG. 15, when the watertight packing material 10 is in close contact with the lower end of the caisson 3, the inflow of empty space between the watertight packing material 10 and the watertight packing material 10 in a row is discharged or filled with space. This is the case where the grouting material injection pipe 83 and the discharge pipe 84 are installed.

In addition, after the use of the caisson (3) is completed by lifting and dismantling it after the separation of the water-tight packing material (10) is to reuse it for a circular, square caisson (3).

As such, the present invention facilitates assembly and installation of the watertight packing material by assembling a straight watertight packing material having a uniform length and a rectangular watertight packing material with connecting bolts or steel wires, thereby shortening the assembly time of the watertight packing material, thereby reducing work efficiency. Will be raised.

In addition, after using the watertight packing material, it can be separated and reused, thus reducing the economic cost burden, and improving the work efficiency by standardizing the straight watertight packing material and the right angle watertight packing material to have the same length. .

In addition, the compression protrusion of the watertight packing material is pre-closed to the support layer or leveling concrete, thereby increasing the order of the caisson.

Claims (6)

Watertight packing material 10 cut to a unit length, A concave inlet 12 having screw grooves 13 formed at both sides of the watertight packing material 10; Prefabricated watertight packing material, characterized in that configured to be fastened by a fastening means having a female threaded portion and a male threaded portion to fasten the plurality of watertight packing material (10). The method according to claim 1, It is cut into a unit length to form a recessed portion 12 of a predetermined depth on both sides thereof, and to form a screw groove 13 of a predetermined depth inside the recessed portion 12 and formed in a hollow form, the threaded portion is formed on the inner and outer peripheral surfaces A straight watertight sealing material 11 for fastening the buried nut 14, The fastening means is prefabricated watertight, characterized in that it further comprises a connection bolt 30 is formed with a screw portion 31 on both sides to be fastened to the buried nut 14 and the projection 31 protruding up, down, left and right in the center portion. Packing material. The method according to claim 2, Cut into unit lengths and formed in right angles to form recesses 12 having a predetermined depth on both sides thereof, and a screw groove 13 having a predetermined depth inside the recessed portions 12, and have a hollow shape. Prefabricated watertight packing material, characterized in that it further comprises a right angled watertight packing material (21) for fastening the buried nut (14), the threaded portion (14a, 14b) formed on the outer peripheral surface. The method according to claim 1, A straight watertight packing material 40 which is cut into a unit length and forms an insertion hole 42 in which a buried connecting rod 41 of a predetermined length having fastening holes 43 formed on both sides is fixed; The fastening means is prefabricated watertight packing, characterized in that the connection bolt 60 is further inserted into the fastening hole 43 of the buried connecting rod 41 to form a screw portion 61 for fastening the nut 62 on both sides. ashes. The method according to claim 4, Further comprising a right-sided watertight packing material 50 formed of a right-angled cut is formed in the unit length and the insertion hole 51 is fixed to the buried connecting rod 41 of a predetermined length formed with fastening holes 43 formed on both sides. Prefabricated watertight packing material, characterized in that. The method according to claim 1, A straight watertight packing material 70 which is cut into a unit length and has a through hole 71 formed at a center or a predetermined height thereof; The rectangular watertight packing material 75 which is cut into a unit length and is formed in a right angle and has through holes 76 perpendicular to each other by varying the heights of the through holes 76 in the horizontal direction and the through holes 76 in the vertical direction. )Wow, Prefabricated watertight packing material, characterized in that it further comprises a steel wire (80) is inserted into the through hole (71, 76) and the threaded portion (81) for fastening the nut (82) on both sides.

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