JP2503854Y2 - Wave control structure using columnar members - Google Patents

Description

[Detailed description of the device]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a wave control structure using columnar members such as breakwaters, breakwaters, and reflected wave countermeasures.

[0002]

2. Description of the Related Art Conventionally, as a wave control structure for attenuating wave energy, as disclosed in Japanese Examined Patent Publication (Kokoku) No. 45-27748, there is a wave pipe above and below the water surface of a steel pipe driven into the water bottom ground. A large number of water passage holes are provided around the affected part, a large number of water passage holes are formed in a jacket pipe having a diameter larger than that of the steel pipe, and the jacket pipe is concentric so as to surround the upper portion of the steel pipe. Of the outer pipe and the upper and lower end portions of the outer pipe and the steel pipe are connected to each other via a plurality of connecting members, and the steel pipe with the outer pipe thus configured is connected in series or in a staggered manner. A wave control structure is known that is placed in the sea and driven into the submarine ground.

[0003]

In the case of the conventional wave control structure described above, a large number of water passage holes are formed in the steel pipe and the jacket pipe, and the steel pipe and the jacket pipe are connected via a number of connecting members. Therefore, there is a problem in that the manufacturing is complicated, the manufacturing cost is high, the structure is complicated, and a large number of water passage holes are formed in the steel pipe, so that the strength of the steel pipe is reduced.

[0004]

In order to advantageously solve the above-mentioned problems, a wave control structure using a columnar member according to the present invention has a structure in which a large number of columnar members 1 intersect in a wave traveling direction in water. A wing member 2 fixed at an interval to each of the columnar members 1 and projecting in a direction intersecting with the traveling direction of waves in the range affected by the waves above and below the water surface of each columnar member 1.
Is fixed so as to be continuous in the longitudinal direction of the columnar member 1, and a water passage gap 3 which is continuous in the longitudinal direction is provided between adjacent blade members 2. The blade member 2 includes at least two vertical plates 5. Are arranged in a substantially V shape, and the upper portions of a large number of columnar members 1 are embedded and fixed in a connecting member made of a time-curable material such as concrete.

[0005]

1 to 4 show a first embodiment of the present invention, in which two steel vertical plates of equal width are provided on both diametrically opposite sides of an upper portion of a columnar member 1 made of a steel pipe. 5 are arranged in a V shape, the open side edges of each vertical plate 5 are fixed to the side surface of the columnar member 1 by welding, and the joined side edges of each vertical plate 5 are welded. The two vertical plates 5 that are joined together form a wing member 2 having a V-shaped cross section, and the columnar member 1 and the wing member 2 fixed to this form a wave control member 6.

A large number of wave control members 6 thus constructed are arranged side by side in the water in a direction intersecting at right angles with the traveling of the wave, and the lower part of the columnar member 1 is driven into the subseabed 4. The wing members 2 that are fixed and are adjacent to each other
Are arranged so as to face each other through the water passage gap 3, and the floor slab concrete 7 is provided over the upper part of each columnar member 1.
Has been placed.

5 to 18 show another embodiment of a wave control structure using the wave control member 6,
In the case of the second embodiment shown in FIG. 5, a large number of wave control members 6 are arranged side by side on the offshore side of the water, and are cast on the water bottom ground 4.
A rear steel pipe pile 8 is driven into the water bottom ground 4 at a position distant from each wave control member 6 to the land side, and a steel connecting beam 9 is laid between the upper end of the columnar member 1 and the upper end of the rear steel pipe pile 8. A slab concrete 7 is placed so as to be fixed and to embed the upper ends of the columnar member 1 and the rear steel pipe pile 8 and the connecting beam 9.

In the case of the third embodiment shown in FIG. 6, the sloping land side wave control member 6B and the offshore side wave control member 6 perpendicular to the shore.
A and A are arranged side by side in a direction intersecting with the traveling direction of the waves, respectively, and are placed on the water bottom ground 4, and the respective wave control members 6
A slab concrete 7 having an upward projecting wall 15 is placed so as to embed the upper ends of A and 6B.

In the case of the fourth embodiment shown in FIG. 7, the vertical wave control member 6 on the offshore side and the steel pipe pile 11 on the sloping land side are arranged side by side in the direction intersecting with the traveling direction of the wave. The concrete 10 for connection is poured so that the wave control member 6 and the upper ends of the piles 11 may be embedded therein.

In the case of the fifth embodiment shown in FIG. 8, the sloping offshore wave control member 6A and the sloping land side wave control member 6B are arranged side by side in a direction intersecting the wave traveling direction. An upward projecting wall 1 that is cast into the water bottom ground 4 and fills the upper ends of the wave control members 6A and 6B.
Floor slab concrete with 5 is cast.

In the case of the sixth embodiment shown in FIG. 9, the vertical wave control member 6A on the offshore side and the vertical wave control member 6B on the land side.
Are placed side by side in the direction intersecting the wave traveling direction, are cast on the subseabed 4, and are made of inclined steel backing 12
The intermediate portion of the columnar member 1 in the wave control member 6B is inserted into the steel vertical cylindrical body 13 fixed to the lower end portion of the, and the mortar for coupling is filled between the vertical cylindrical body 13 and the columnar member 1, The upper ends of the wave control members 6A and 6B and the backing material 12
A slab concrete 7 is placed so as to embed the upper end of the slab.

In the case of the seventh embodiment shown in FIG. 10, the vertical wave control member 6A on the offshore side and the vertical wave control member 6 on the land side.
B and B are arranged side by side in a direction intersecting the wave traveling direction, respectively, and are placed on the water bottom ground 4, the base concrete 14 is installed on the water bottom ground 4, and each wave control member 6A, 6
An intermediate portion of the columnar member 1 in B is fitted into the base concrete 14, and a slab concrete 7 is poured so as to embed the upper end portions of the respective wave control members 6A and 6B.

In the case of the eighth embodiment shown in FIG. 11, the vertical wave control member 6A on the offshore side and the vertical wave control member 6 on the land side.
B and B are arranged side by side in a direction intersecting with the wave traveling direction, and the lower end portions of the wave controlling members 6A and 6B are fitted and fixed to the foundation concrete 14 installed on the water bottom ground 4, respectively. , 6B, steel connecting beams 9 are erected and fixed over the upper ends of the columnar members 1, and floor slab concrete 7 is cast so as to embed the upper ends of the columnar members 1 and the connecting beams 9.

In the case of the ninth embodiment shown in FIG. 12, the upper and lower parts of the columnar member 1 in the offshore wave control member 6A and the lower and upper parts of the columnar member 1 in the landside wave control member 6B are made of steel. Although connected via the brace 16, the other structure is the same as that of the eighth embodiment shown in FIG.

In the case of the tenth embodiment shown in FIG. 13, the lower end portion of the columnar member 1 in the sloping wave control member 6A on the offshore side and the lower end portion of the columnar member 1 in the sloping wave control member 6B on the land side. Is fitted and fixed to the foundation concrete 14 installed on the subseabed 4, and the respective wave control members 6A, 6
The connecting beam 9 made of steel extends over the upper end of the columnar member 1 in B.
Are erected and fixed, and floor slab concrete 7 is placed so as to embed the upper ends of the columnar members 1 and the connecting beams 9.

In the case of the eleventh embodiment shown in FIG. 14, a large number of vertical wave control members 6 are arranged side by side in a direction intersecting the wave traveling direction, and the lower end portion of the columnar member 1 in each wave control member 6 is The upper end of the columnar member 1 in each wave control member 6 and the offshore side end and the land side end of the base concrete 14 which are fitted and fixed to the base concrete 14 installed on the submerged ground 4 are wire ropes or It is connected via a connecting member 17 made of a steel rod, and the connecting concrete 10 is poured so as to embed the upper end portion of the columnar member 1.

In the case of the twelfth embodiment shown in FIG. 15, a large number of vertical wave control members 6 are arranged side by side in a direction intersecting with the wave traveling direction, and are located at a position distant from the row of the wave control members 6 to the land side. In the steel sheet pile wall 18, the lower end portion of the columnar member 1 and the lower end portion of the sheet pile wall 18 in each wave control member 6 are fitted and fixed to the foundation concrete 14 installed on the water bottom ground 4, A steel connecting beam 9 is erected and fixed over the upper end of the columnar member 1 of the wave control member 6 and the upper end of the sheet pile wall 18, and the upper end of each columnar member 1, the upper end of the sheet pile wall 18, and the connecting beam 9 are connected. The floor slab concrete 7 is placed so as to bury it, and the back lining soil 19 is placed on the back side of the sheet pile wall 18.
Is filled.

In the case of the thirteenth embodiment shown in FIG. 16, the connecting beam 9 whose middle portion is inclined so as to descend toward the offshore side has the upper end portion of the columnar member 1 and the sheet pile wall 18 in the wave control member 6. The floor slab concrete 7 is placed so as to be embedded and fixed over the upper end of each of the columnar members 1, the upper end of the sheet pile wall 18 and the connecting beam 9, and the floor slab concrete 7 is placed above the floor slab concrete 7. Although a staircase descending from the land side to the offshore side is provided, the other structure is the same as that of the twelfth embodiment shown in FIG.

In the case of the fourteenth embodiment shown in FIGS. 17 and 18, a large number of steel sheet piles 20 are cast on the subseabed ground 4 so as to reach the support layer 21 to form the sheet pile wall 18, and a large number of sheet pile walls 18 are formed. The wave control members 6 are arranged at intervals in the sheet pile wall longitudinal direction at positions distant from the sheet pile wall 18 to the offshore side,
The columnar member 1 of each wave control member 6 is cast on the water bottom ground 4 so as to reach the support layer 21, and the connecting beam 9 which is inclined so that the middle part thereof descends toward the offshore side has the columnar shape of the wave control member 6. The floor slab concrete 7 is placed so as to be installed and fixed over the upper end of the member 1 and the upper end of the sheet pile wall 18, and the upper end of each columnar member 1, the upper end of the sheet pile wall 18, and the connecting beam 9 are embedded. , On the upper part of the slab concrete 7, stairs descending from the land side to the offshore side are provided,
Furthermore, the floor slab concrete 7 is provided with a large number of water passage holes 22 penetrating in the vertical direction, and the back side of the sheet pile wall 18 is filled with backfill soil 19.

In the case of the fifteenth embodiment shown in FIGS. 19 to 21, a large number of steel sheet piles 20 are cast on the water bottom ground 4 so as to reach the support layer 21, the sheet pile wall 18 is constituted, and the compression resistant slope is formed. The vertical cylindrical body 13 perpendicular to the lower end of the member 23 is fixed by welding, and the proximal end portion of the horizontal first connecting beam 9A is fixed to the upper end of the compression-resistant diagonal member 23 by welding to support the compression-resistant support. A member 24 is configured, the vertical cylindrical body 13 is provided with an opening for communicating the interior thereof with the interior of the compression resistant diagonal member 23, and the upper and lower portions of the vertical cylindrical body 13 are made of elastic material seal rings. Is attached, and a dowel is fixed to the inner surface of the vertical cylindrical body 13. The multiple compression resistant support members 24 configured as described above are arranged at intervals in the longitudinal direction of the sheet pile wall 18, and the base end portion of the first connecting beam 9A is located above the steel pipe sheet pile body 25 in the steel sheet pile 20. The vertical cylinder 13 is placed on the end face, the vertical cylinder 13 is placed on the subseabed 4, and then the columnar member 1 of the wave control member 6 is inserted into the vertical cylinder 13 and reaches the support layer 21. Be driven into. Next, one end of the short second connecting beam 9B is connected to the tip of the first connecting beam 9A by the joint plate 26 and the bolt 27 to form the connecting beam 9, and the second connecting beam in the connecting beam 9 is formed. 9B is placed on the upper end surface of the columnar member 1.
Next, a plurality of inverted U-shaped reinforcing bars 28 are fitted to both ends of the connecting beam 9, and the inverted U-shaped reinforcing bars 28 are fitted to one end of the connecting beam 9.
The lower part of the inverted U-shaped rebar 28 fitted to the other end of the connecting beam 9 is arranged in the column member 1, and the lower part of the column member 1 is arranged in the sheet pile body 25. Compression resistant diagonal 23
And, the floor slab concrete 7 is placed so as to fill the upper end portion of the sheet pile body 25 and the connecting beam 9, and the floor slab concrete 7 is opposite to the upper portion in the sheet pile body 25 and the columnar member 1 and the inverse U.
It is also filled between the character-shaped reinforcing bars 28.

When the present invention is implemented, the blade member 2 may be projected from the columnar member 1 in a direction oblique to the wave traveling direction, and a water passage gap between the blade members 2 in the adjacent wave control members 6 may be provided. 3 may be minute. Further, the surface of the wing member 2 may be provided with irregularities of any shape, and further, the wing member 2 may be provided with a water passage hole. The wave control members 6 may be provided in a zigzag shape, and when manufactured by the blade member 2, the surface of the steel material may be subjected to heavy anticorrosion coating made of polyurethane, thick film type epoxy resin or other synthetic resin. The wave control member 6 may be installed in three or more rows in a direction intersecting the wave traveling direction. When the wave control member 6 is provided in a plurality of rows in the direction intersecting the wave traveling direction, the fish collecting effect can be exhibited. After the base concrete 14 is manufactured on land, it is hoisted and transported by a lifting machine to carry out the water bottom 4
Alternatively, the base concrete 14 may be built by pouring concrete on the water bottom ground 4.
Further, the connecting beam 9, the columnar member 1, the rear steel pipe pile 8, the sheet pile wall 18
Welding, bolts, or any other means may be used as the means for connecting and.

[0022]

According to the present invention, a large number of columnar members 1 are
The wing members 2 that are fixed in the water at intervals in the direction intersecting with the wave traveling direction and that protrude in the direction intersecting with the wave traveling direction are provided in the range of the influence of the wave above and below the water surface of each columnar member 1. The columnar member 1 is fixed so as to be continuous in the longitudinal direction, and a water passage gap 3 which is continuous in the longitudinal direction is provided between adjacent blade members 2.
Is configured by arranging at least two vertical plates 5 in a substantially V shape, and since the upper portions of a large number of columnar members 1 are embedded and fixed in a connecting material made of a time-curable material such as concrete, Columnar member 1 and wing member 2 fixed to this
The structure of the wave control member 6 consisting of is simple and
The wave control member 6 can be manufactured firmly, and since the columnar member 1 is not provided with the water passage hole, the columnar member 1 has a large strength against the wave pressure. A large number of wave control members 6 having a simpler configuration are arranged close to each other,
Since the upper portion of each columnar member 1 is embedded and fixed in a connecting material made of concrete or the like, the load can be distributed even with respect to irregular waves. Since it is possible to prevent corrosion, it is possible to construct a strong and stable wave control structure.

[Brief description of drawings]

FIG. 1 is a partially longitudinal front view showing a wave control structure according to a first embodiment.

FIG. 2 is a sectional view taken along line AA of FIG.

FIG. 3 is a front view showing an upper portion of a wave control member.

FIG. 4 is an enlarged sectional view taken along line BB of FIG.

FIG. 5 is a partially longitudinal side view showing a wave control structure according to a second embodiment.

FIG. 6 is a partially longitudinal side view showing a wave control structure according to a third embodiment.

FIG. 7 is a partially longitudinal side view showing a wave control structure according to a fourth example.

FIG. 8 is a partially longitudinal side view showing a wave control structure according to a fifth example.

FIG. 9 is a partially longitudinal side view showing a wave control structure according to a sixth example.

FIG. 10 is a partially longitudinal side view showing a wave control structure according to a seventh example.

FIG. 11 is a partially longitudinal side view showing a wave control structure according to an eighth example.

FIG. 12 is a partially longitudinal side view showing a wave control structure according to a ninth example.

FIG. 13 is a partially longitudinal side view showing a wave control structure according to a tenth embodiment.

FIG. 14 is a partially longitudinal side view showing a wave control structure according to an eleventh embodiment.

FIG. 15 is a partially longitudinal side view showing a wave control structure according to a twelfth embodiment.

FIG. 16 is a partially longitudinal side view showing a wave control structure according to a thirteenth embodiment.

FIG. 17 is a partially longitudinal side view showing a wave control structure according to a fourteenth embodiment.

FIG. 18 is a front view showing a part of a wave control structure according to a fourteenth embodiment.

FIG. 19 is a partially longitudinal side view showing a wave control structure according to a fifteenth embodiment.

20 is a partially longitudinal side view showing the relationship between the connecting beam and the columnar member of the wave control member in FIG.

21 is a plan view of the portion shown in FIG. 20. FIG.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Columnar member 2 Wing member 3 Water gap 4 Water bottom 5 Vertical plate 6 Wave control member 7 Floor concrete 8 Rear steel pipe pile 9 Connecting beam 10 Connecting concrete 11 Holding pile 12 Preliminary material 13 Vertical cylinder 14 Base concrete 18 Sheet pile Wall 23 Compression-resistant diagonal member 24 Compression-resistant support member 25 Sheet pile body 26 Joint plate 27 Bolt 28 Reverse U-shaped rebar

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Creator Masaki Shiomi 1-1-1, Nagase, Yokosuka City, Kanagawa Kanagawa Institute of Port Technology (72) Creator Koichi Sato 2-3-6, Otemachi, Chiyoda-ku, Tokyo Within Nippon Steel Co., Ltd. (56) Reference JP-A-50-88834 (JP, A) JP-A-48-11841 (JP, A)

Claims (4)

(57) [Scope of utility model registration request] 1. A large number of columnar members 1 are fixed in water at intervals in a direction intersecting the wave traveling direction, and the wave traveling in the range affected by the wave above and below the water surface in each columnar member 1. A wing member 2 protruding in a direction intersecting the direction is fixed so as to be continuous in the longitudinal direction of the columnar member 1, and a water passage gap 3 which is continuous in the longitudinal direction is provided between adjacent wing members 2. The wing member 2 is configured by arranging at least two vertical plates 5 in a substantially V shape, and the upper portions of a large number of columnar members 1 are embedded and fixed in a connecting material made of a time-curable material such as concrete. Wave control structure using a columnar member. 2. A wave control structure using a columnar member according to claim 1, wherein the steel wing member 2 is fixed to the steel columnar member 1 by welding. 3. The wave control structure using the columnar member according to claim 1, wherein the lower part of the columnar member 1 is driven into and fixed to the water bottom ground 4. 4. The wave control structure using the columnar members according to claim 1, wherein the lower parts of all the columnar members 1 are connected to each other by a foundation concrete 14 installed on the water bottom ground 4.