JPH11117225A - Reinforcing method and device for mooring pile of floating pier - Google Patents

Abstract

PROBLEM TO BE SOLVED: To dispense with the welding work at a site in the connection beam for connecting the mooring piles. SOLUTION: A positioning mound 9 is constructed so as to have the same height in the root part projected from the sea bottom 8 of the mooring pile 5 for elevatably supporting the four corners of a floating body 4. A large diameter reinforcing pipe 10 is fitted outside each mooring pile 5 and is placed on the height-adjusting mound 9, and then filling concrete 11 is placed in the inside space and is fixed. The reinforcing pipes 10 being opposite right and left are connected by a connection beam 15 by means of bolts under the sea. The mooring pile 5 positioned above the reinforcing pipe 10 is covered with lining concrete 16.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method and an apparatus for reinforcing a mooring pile of a floating pier used as a berth of a fishing boat or a liner.

[0002]

2. Description of the Related Art As shown schematically in FIG. 9, a floating pier installed in a harbor is provided with a flap at a tip end of a connecting bridge 2 which projects from a quay 1 to the sea so as to swing vertically. A mooring device 6 is mounted on a mooring pile 5 made of a steel pipe which is erected by arranging a floating body 4 serving as a mooring pier main body so as to communicate with the mooring pier 3 at the four front, rear, right and left corners of the floating body 4. The floating body 4 can be displaced in the vertical direction following the change in the tide level, and the horizontal movement of the floating body 4, particularly the horizontal movement, can be restrained by the mooring pile 5. It is like that.

In the above-mentioned floating pier, since the moving force of the floating body 4 acting on each mooring pile 5 is mainly a moving force in the left-right direction which is the direction of the floating body 4, conventionally, the moving force of the left and right mooring piles 5 is conventionally used. A portal-type ramen structure in which the heads of the piles are connected to each other by beams 7 is adopted.

[0004]

However, when the pile heads of the left and right mooring piles 5 are connected by a connecting beam 7 to form a portal-type rigid frame structure, not only there is a problem in the scenery, but also the connecting beam 7 Welding at high places will increase the cost, and will require repainting of the burnt painted parts by welding on site. In addition, even when the tide level is the highest, cars and the like under the connecting beam 7 The height of the mooring pile 5 must be high (approximately 8 m above the sea surface), and a long mooring pile is required. In addition, the connecting beam 7 is exposed to sea breeze. There are problems such as easy rusting.

Therefore, the present invention can solve the problem of landscape, eliminate the need for on-site welding work of the connecting beam and the accompanying painting work, and reduce the length of the mooring pile by shortening it. It is an object of the present invention to provide a method and apparatus for reinforcing a mooring pile of a floating pier.

[0006]

According to the present invention, in order to solve the above-mentioned problems, the mooring device at the front, rear, left, and right ends of the floating body is driven into the seabed so that the upper end protrudes above the sea surface. After fitting a reinforcing pipe having a diameter larger than that of the mooring pile from above to the mooring piles of the front, rear, left and right parts, and positioning it at a required depth position in seawater, it was positioned in the seawater between the left and right mooring piles. The reinforcing pipes are connected to each other via a connecting beam, and filled concrete is injected into a gap between the reinforcing pipe and the mooring pile. Thereafter, the mooring device of the floating body is moved along the mooring pile above the reinforcing pipe. A mooring pile reinforcement method for a floating pier that covers the guide surface to be formed, and is driven into the seabed so that the upper end protrudes above the sea surface so that the mooring devices at the front, rear, left, and right ends of the floating body are made to follow. The mooring piles of the front, rear, left and right parts On the sea floor, a mound for positioning at a required height is constructed so that the upper surface of each mound has the same height, and on each mound, the mound pile is fitted outside the mooring pile to form a double pipe structure. The reinforcing pipe is located in the space between the reinforcing pipe and the mooring pile, and the gap between the reinforcing pipe and the mooring pile is filled with filling concrete to integrate the mooring pile with the reinforcing pipe. Further, a mooring pile reinforcement device for a floating pier having a configuration in which the outer periphery of the mooring pile above each of the reinforcing pipes is covered with rolled concrete so that the mooring device follows the mooring device.

Since the mooring piles located on the left and right are submerged in seawater and connected and reinforced by a connecting beam at a depth that does not interfere with the floating body, welding work and painting work on site are not required. In addition, since the connecting beam does not become a traffic obstacle on the floating body, the height of the mooring pile on the sea surface can be lowered, and since there is no connecting beam between the pile heads, the landscape is improved and it looks good Becomes

In addition, the work is rationalized by fitting the two reinforcing pipes previously connected by the connecting beam to the right and left mooring piles from above and positioning them at a required depth position in seawater. Can be.

Further, instead of constructing a mound for positioning on the sea floor and positioning the reinforcing pipe on the upper surface of the mound, the reinforcing pipe is hung from the required height position of each mooring pile. By performing positioning, or by fixing a positioning flange at a required height from the sea floor of each mooring pile and receiving the reinforcing pipe with the flange and positioning the mooring pile, it is possible to further reduce undersea work. become able to.

[0010] On the other hand, instead of covering the reinforcing pipe of each mooring pile with the concrete wound around it, the mooring pile is covered with a large-diameter cladding pipe, and concrete is packed between the cladding pipe and the mooring pile to be integrated. By adopting such a configuration, it is not necessary to use a mold, so that the work can be further streamlined.

[0011]

Embodiments of the present invention will be described below with reference to the drawings.

FIGS. 1 to 4 show one embodiment of the present invention. In a floating pier similar to that shown in FIG. 9, the pile heads of right and left mooring piles 5 are connected to each other by beams 7. Instead, the left and right mooring piles 5 are connected and reinforced in seawater.

More specifically, in seawater, mounds 9 of required height for positioning are constructed on the sea bottom around each mooring pile 5 projecting upward from the sea bottom 8 so as to be at the same height level. The reinforcing pipe 10 having a larger diameter and a required length (height) than the mooring piles 5 is fitted from above to the mooring piles 5 so as to be placed on the positioning mound 9. Submerged, so that the mooring pile 5 has a double pipe structure with the reinforcing pipe 10 at a position above the mound 9,
In addition, a gap between the reinforcing pipe 10 and the mooring pile 5 is filled with filling concrete 11 to form an integral structure, and a connecting beam 15 made of H-shaped steel is provided between the reinforcing pipes 10 located on the left and right sides. The connecting beam 15 is disposed horizontally in the left-right direction, and both ends of the connecting beam 15 are connected to a flange 12 made of H-shaped steel fixed on the outer periphery of the reinforcing pipe 10 by an attachment plate 13 and bolts 14. The mooring pile 5 is reinforced in seawater, and the outer periphery of the mooring pile 5 projecting above the reinforcing pipe 10 is covered with a rolled concrete 16 and moored on the surface of the rolled concrete 16. The device 6 is made to follow. Reference numeral 17 denotes a base plate attached to the lower end of the reinforcing pipe 10.

As shown in FIGS. 2 and 4, the reinforcing pipe 10 and the rolled concrete 16 have two flat portions facing the cuts at the corners of the floating body 4 as flat guide surfaces 16a extending along the vertical direction. , Rolled concrete 16
The rolling element 6a of the mooring device 6 is brought into contact with the guide surface 16a.

Next, an example of a specific procedure for reinforcing the mooring pile 5 will be described.

First, as shown in FIG. 5, a mound 9 for positioning at a required height is provided on the outer periphery of each mooring pile 5 which has been driven deep into the seabed so that the upper surface is at the same water depth level. Build by stacking of miscellaneous stone.

Next, as shown in FIGS. 2 and 3, a reinforcing pipe 10 in which a flange 12 for beam connection is welded to the outer periphery of an upper end portion and a base plate 17 is attached to a lower end portion in advance is shown in FIG. As shown, each mooring pile 5 is fitted and dropped from above and placed on the positioning mound 9 for positioning, so that part of the mooring pile 5 in seawater has a double pipe structure. I do. Further, the mooring pile 5 and the reinforcing pipe 1
The position of the reinforcing pipe 10 is fixed by casting underfill concrete 11 in water in the gap between 0 and solidification.

Next, a connecting beam 15 extending in the left-right direction is arranged and arranged between the flanges 12 of the reinforcing pipe 10 located on the left and right sides, and both ends of the connecting beam 15 are attached to the flanges 12 by the attachment plates 13 respectively. And underwater using bolts 14. The operation of connecting the reinforcing pipes 10 by the connecting beams 15 and the operation of placing the filling concrete 11 in the reinforcing pipes 10 may be reversed. In addition, the mooring pile 5 is previously placed between the flanges 12 of the left and right reinforcing pipes 10 on the ground.
The connecting beams 15 are integrally connected to each other by welding or bolts in accordance with the left and right intervals, and the left and right reinforcing pipes 10 connected by the connecting beams 15 may be fitted to the left and right mooring piles 5. Good.

Thereafter, a decorative form is set on the outer periphery of a portion of each mooring pile 5 projecting above the reinforcing pipe 10, and a rolled concrete 16 is poured into the decorative form, and after curing, By removing the decorative form, the reinforcement is completed as shown in FIG.

In the present invention, the mooring pile 5 has a double pipe structure with reinforcing pipes 10 at a required height level in seawater, and the right and left reinforcing pipes 10 are connected by connecting beams 15 so that the left and right moorings are left and right in seawater. Since the mooring pile 5 is reinforced, the landscape can be improved compared to the case of the conventional system in which the left and right pile heads are connected by the connecting beam 7 to form a portal-type rigid frame structure,
Further, it is not necessary to weld the connecting beam 15 at a high place on site, and it is also possible to eliminate the accompanying painting work. Further, since the connecting beam between the pile heads is not required, the height of the mooring pile 5 can be reduced. Can be determined based on the tide level, and can be lower (shorter) than before. Further, since the connecting beam 15 is located in the sea where corrosiveness is lower than that in the aerial part, there is an advantage that costs for anticorrosion can be reduced.

In the above, the rolled concrete 16 covering the mooring pile 5 has a flat guide surface 16a at the portion where the rolling element 6a of the mooring device 6 comes into contact with.
Even if the floating body 4 moves in the horizontal direction, the contact engagement of the rolling elements 6a can always be kept good.

FIGS. 7 (a) and 7 (b) show another embodiment of the present invention. In a configuration similar to that shown in FIG. 1, the reinforcing tube 10 is positioned and fixed at a required height level. For this purpose, instead of constructing a positioning mound 9 on the seabed 8, the reinforcing pipe 10 is positioned so as to be suspended from an upper portion of the mooring pile 5 from the position where the reinforcing pipe is set. is there.

That is, a small hook 18 is fixed to the outer periphery of the mooring pile 5 in advance, and the reinforcing pipe 10 fitted to the mooring pile 5 through the outside of the hook 18 is attached to the hook 18.
Objects such as wire ropes and chains whose length has been adjusted from
9, the concrete filling 11 and the wrapping concrete 16 are similarly cast sequentially.

7 (a) and (b), it is possible to eliminate the need for welding at high places on site.

Next, FIG. 8 shows still another embodiment of the present invention. In the same configuration as shown in FIG.
In order to position the reinforcing pipe 10 at a required height level, instead of constructing a height adjustment mound on the seabed 8, a positioning flange 20 is fixed in advance at a required height position on the outer peripheral portion of the reinforcing pipe 10. The positioning flanges 20 are set in advance by driving the mooring pile 5 in a fixed amount so that the height levels of the positioning flanges 20 in the sea are made uniform.
The reinforcement tube 10 is placed on the top of the tube.

The method shown in FIG. 8 also eliminates the need for on-site welding and painting operations, and is particularly advantageous when the driving depth of the mooring pile 5 is determined.

The present invention is not limited only to the above embodiment, and the shape of the rolled concrete 16 covering the reinforcing pipe 10 and the mooring pile 5 is a cylindrical shape simply following the mooring pile 5. However, there is no particular problem.
In the above, instead of covering the upper part of each mooring pile 5 above the reinforcing pipe 10 with the wound concrete 16, the mooring pile 5 is covered with a large-diameter cladding pipe, and concrete is packed between the cladding pipe and the mooring pile 5. Needless to say, various changes may be made without departing from the spirit of the present invention.

[0028]

As described above, according to the present invention, the following excellent effects are exhibited. (1) The mooring piles at each of the front, rear, left, and right parts that are driven into the seabed so that the upper end protrudes above the sea surface so that the mooring devices at the front, rear, left, and right ends of the floating body follow the floating body. After fitting the reinforcing pipes and positioning them at the required depth position in the seawater, the reinforcing pipes positioned in the seawater between the right and left mooring piles are connected via a connecting beam, and the reinforcing pipes and the mooring piles are connected. Filled concrete is injected into the gap between the reinforcing pipes, and thereafter, the guide surface for allowing the mooring device of the floating body to follow the mooring pile is formed on the mooring pile above the reinforcing pipe. In addition to improving the landscape compared to the structure, it eliminates the need for on-site welding at high places and painting, and also places the connecting beam in the sea, which is less corrosive than the air, to prevent corrosion. It is also advantageous in terms of cost. (2) Connecting work of connecting beams in the sea by fitting two reinforcing pipes previously connected by connecting beams to the right and left mooring piles from above and positioning them at the required depth position in seawater Can be eliminated, so that the work can be further streamlined and streamlined. (3) Positioning the required height on the sea floor around the mooring piles in each of the front, rear, left and right parts, which are driven into the seabed so that the upper end protrudes above the sea surface so that the mooring devices at the front, rear, left and right both ends of the floating body are along The mound is constructed so that the upper surface of each mound has the same height, and a reinforcing pipe fitted to the outside of each mooring pile to form a double pipe structure is positioned on each mound, and the reinforcement is performed. Filling the gap between the pipe and the mooring pile with filling concrete, the mooring pile and the reinforcing pipe are integrated, and the reinforcing pipes of the left and right mooring piles are connected with a connecting beam for reinforcement. By covering the outer periphery of the mooring pile above the pipe with rolled concrete and extending along the mooring device, not only can the mooring pile be reliably reinforced, but also obstacles to traffic on the floating body Can be eliminated, the height of the mooring pile Can be lowered. (4) Instead of constructing a mound for positioning on the sea floor and positioning the reinforcing pipe on the upper surface of the mound, suspending and positioning the reinforcing pipe from the required height position of each mooring pile Or by fixing a positioning flange at a required height position from the sea bottom of each mooring pile, and by positioning the flange by receiving a reinforcing pipe, it is possible to reduce undersea work, It is more advantageous. (5) Instead of covering the reinforcement pipe of each mooring pile above the reinforcing pipe with concrete, cover it with a large-diameter cladding pipe and pack concrete between the cladding pipe and the mooring pile to integrate them. With this configuration, it is not necessary to use a formwork, so that the work can be further streamlined.

[Brief description of the drawings]

FIG. 1 is a front view showing an embodiment of a mooring pile reinforcing device for a floating pier according to the present invention.

FIG. 2 is an enlarged view in the direction of arrows AA in FIG. 1;

FIG. 3 is a view taken in the direction of arrows BB in FIG. 2;

4 is an enlarged view in the direction of arrows CC in FIG. 1;

FIG. 5 is a schematic diagram showing a specific reinforcing procedure of the mooring pile, and showing a state in which a height adjusting mound is constructed at the root of the mooring pile.

FIG. 6 is a schematic diagram showing a specific procedure for reinforcing the mooring piles, in a state where left and right mooring piles are connected by connecting beams.

FIG. 7 shows another embodiment of the present invention.
Is a front view of a portion where the mooring pile has a double-pipe structure, and (b) is an enlarged view in the direction of arrow DD in (a).

FIG. 8 is a partial front view showing still another embodiment of the present invention.

FIG. 9 is a schematic view showing an example of a floating pier.

[Explanation of symbols]

 Reference Signs List 4 Floating body 5 Mooring pile 6 Mooring device 8 Sea floor 9 Mound for positioning 10 Reinforcement pipe 11 Filling concrete 12 Flange 14 Bolt 15 Connecting beam 16 Rolled concrete 16a Guide surface 19 Wire 20 Positioning flange

Claims (7)

[Claims] 1. A mooring pile at each of the front, rear, left, and right portions, which is driven into the seabed so that an upper end portion protrudes above the sea surface so that mooring devices at both front, rear, left, and right ends thereof are larger than the mooring pile from above. After fitting the reinforcing pipe having the diameter and positioning it at the required depth position in the seawater, connecting the reinforcing pipes positioned in the seawater between the left and right mooring piles via connecting beams, the reinforcing pipe and the mooring pile Characterized in that a filling surface is filled with a guide surface for allowing the mooring device of the floating body to follow the mooring pile above the reinforcing pipe. Mooring pile reinforcement method. 2. The mooring of a floating pier according to claim 1, wherein the two reinforcing pipes connected in advance by the connecting beam are fitted to the left and right mooring piles from above and positioned at a required depth position in seawater. Pile reinforcement method. 3. A mooring pile at each of the front, rear, left, and right ends, which is driven into the seabed so that the upper end protrudes above the sea surface so that the mooring devices at the front, rear, left, and right ends of the floating body follow the seabed.
A positioning mound having a required height is constructed so that the upper surface of each mound has the same height, and a reinforcing pipe which is fitted on the outside of each mooring pile to form a double pipe structure is provided on each mound. Then, while filling the gap between the reinforcing pipe and the mooring pile with filled concrete, the mooring pile and the reinforcing pipe are integrated, and the reinforcing pipes of the left and right mooring piles are connected with a connecting beam for reinforcement, Furthermore, the mooring pile reinforcing device for a floating pier has a configuration in which the outer periphery of the mooring pile above each of the reinforcing pipes is covered with rolled concrete so that the mooring device can follow the mooring pile. 4. Instead of constructing a mound for positioning on the sea floor and positioning the reinforcing pipe on the upper surface of the mound, the reinforcing pipe is suspended from a required height position of each mooring pile. The mooring pile reinforcing device for a floating pier according to claim 3, wherein the positioning is performed. 5. Instead of constructing a mound for positioning on the sea bottom and positioning the reinforcing pipe on the upper surface of the mound, the positioning mound is located at a required height from the sea bottom of each mooring pile. The mooring pile reinforcing device for a floating pier according to claim 3, wherein the flange is fixed, and the reinforcing pipe is received and positioned by the flange. 6. A mooring pile reinforcing device for a floating pier according to claim 3, 4 or 5, wherein the reinforcing pipes to be fitted to the left and right mooring piles and the connecting beam are connected in advance. . 7. In place of covering the reinforcement pipes of each mooring pile above the reinforcement pipe with concrete, instead of covering with a large-diameter cladding pipe, concrete is packed between the cladding pipe and the mooring pile to be integrated. The mooring pile reinforcing device for a floating pier according to claim 3, 4, 5, or 6.