JP3333838B2 - Water body structure having a water retarding chamber - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an aquatic structure having a play chamber installed in a water area.

[0002]

2. Description of the Related Art Conventionally, as a pile type pier structure provided in a water area such as a harbor, a structure shown in FIG. 34 is known.

[0003]

Normally, in a pile-type pier structure, steel pipe piles 29 for supporting the concrete superstructure 24 are arranged every 5 to 6 m in the extension direction of the pile-type pier and in the direction perpendicular to the extension direction. Therefore, the interval between the steel pipe piles 29, that is, the width of the slit is too large, so that there is almost no energy loss of the wave passing through this portion, and the reflected wave height is increased.

[0004]

SUMMARY OF THE INVENTION In order to advantageously solve the above-mentioned problems, in a water body structure having a water play chamber according to the present invention, a large number of wall components having joints 1 and 2 on the lower side are provided. 3 is engaged with the joints 1 and 2 and cast into the submarine ground 4 to form a wall 6 having a slit 5 for water flow on the upper side, and at a position away from the wall 6 on the land side, The rear pile 17 is cast on the underwater ground 4, and the lower layer 9 of the water chamber is provided below the rear pile 17. The upper surface of the lower layer 9 of the water chamber is connected to the upper end of each of the joints 1 and 2. It is arranged at a position lower than the section, and a water retarding chamber 10 is provided above the water retarding chamber lower layer 9.

[0005]

1 to 4 show a first embodiment of the present invention, in which a left side of a lower half of a steel pipe sheet pile main body 19 and a right side of a lower half of the steel pipe sheet pile main body 19 are provided with T. A steel joint 1 having a U-shape and a joint 2 made of a steel pipe having a slit 20 are fixed by welding to form a wall member 3 made of a sheet pipe sheet pile. The joints 1 and 2 are cast on the underwater ground 4 in a state where they are engaged with each other to form a wall body 6 having a water passage slit 5 on the upper side.

At a position away from the wall 6 having the slit 5 for water flow on the upper side on the land side, the wall 6 and the rear stake 17
Between the plurality of rows of steel intermediate piles 23
And a lower layer 9 of a water chamber formed of earth and sand or stone is provided between the wall body 6 and the rear pile 17, and the upper surface of the lower layer 9 of the water chamber is directed from the land side to the offshore side. And the upper end of the wall 6 and the rear stake 17
A concrete superstructure 24 is provided over the upper end of the intermediate pile 23 and the upper end of the intermediate pile 23, and the water-retention chamber 10 is provided between the upper surface of the water-retention chamber lower layer 9 and the superstructure 24.

The upper ends of the joints 1 and 2 in the wall body 6 are arranged at a higher level than the front part of the water-reducing chamber lower layer 9, that is, the offshore end, and a concrete upper part is placed on the land 25 on the land side. A concrete retaining member 26 is placed at a position facing the rear part of the work 24.

Assuming that the width of the slit 5 for water passage is D1 and the interval between the wall members 3 is D2, D1 / D
2 is set to about 5-35%, preferably 10-20%
It is.

FIGS. 5 to 9 show a second embodiment of the present invention. As a retaining wall 8, a T-shaped steel joint 21 fixed to both left and right sides of a steel pipe sheet pile main body 14 by welding.
And steel pipe sheet pile 7 composed of
In a state where the joint 21 and the joint 22 are engaged with each other,
The earth retaining wall 8 is formed by being cast on the underwater ground 4. A plurality of rows of intermediate piles 23 are cast between the wall body 6 and the retaining wall 8 and the retaining member 26 is omitted, but other configurations are the same as those of the first embodiment of the present invention. The same is true.

FIGS. 10 to 12 show a third embodiment of the present invention, in which the upper surface of the lower layer 9 of the water retarding chamber is constituted by a slope 11 on the offshore side and a horizontal plane 12 on the land side. The other configuration is the same as that of the second embodiment of the present invention.

FIG. 13 shows a fourth embodiment of the present invention, in which the entire upper surface of the lower layer 9 of the retarding chamber is formed of a horizontal plane 12, but the other structure is the same as that of the second embodiment of the present invention. Same as in the case.

FIG. 14 shows a fifth embodiment of the present invention, in which the entire upper surface of the lower layer 9 of the retarding chamber is a horizontal plane 12 which extends to the land side, and a stone 27 is placed on the horizontal plane 12. It is laid and the reinforcing ribs 28
The concrete gravity type structure 13 having the above structure is placed, but the other configuration is the same as that of the first embodiment of the present invention.

FIG. 15 shows a sixth embodiment of the present invention.
6 are loaded and the gravity type structure 13 in FIG. 14 is omitted, but the other configuration is the same as that of the second embodiment of the present invention.

FIG. 16 shows a seventh embodiment of the present invention, in which a slope 11 on the offshore side and a horizontal plane 12 on the land side are provided on the upper surface of the lower layer 9 of the retarding chamber. The configuration is similar to that of the first embodiment of the present invention.

FIGS. 17 and 18 show an eighth embodiment of the present invention, in which an upper portion of an intermediate pile 23 and a rear pile 1 are shown.
7 is connected via a brace 15, but the other configuration is the same as that of the first embodiment of the present invention.

FIGS. 19 and 20 show a ninth embodiment of the present invention, in which the upper part of the front middle pile 23 and the upper end of the rear middle pile 23 are connected via the brace 15. And the upper part of the rear intermediate pile 23 and the rear pile 17
Is connected via a brace 15, but the other configuration is the same as that of the first embodiment of the present invention.

FIGS. 21 and 22 show a tenth embodiment of the present invention, in which one end of a pair of braces 15 is fixed to an upper portion of a rear intermediate pile 23 and one of the braces 15 is fixed. The other end is fixed to the upper end of the front middle stake 23, and the other end of the other brace 15 is fixed to the upper end of the rear stake 17, but in other configurations,
This is the same as in the first embodiment of the present invention.

Next, an example of mounting the brace will be described.
As shown in FIGS. 23 to 27, the lower cylinder 30 and the intermediate pile 23 are provided around the upper and lower portions in the lower cylinder 30.
(For example, four) spacers 31 are fixed at equal angular intervals to keep the interval between the lower cylindrical body 30 and the lower cylindrical body 30
A plurality of dowels 32 are fixed to the inner peripheral surface of the lower cylindrical body 3.
0, a seal ring 33 made of rubber or a synthetic resin-based elastic material is arranged on the inner periphery of the lower part, and the seal ring 33 is inserted between a pair of upper and lower support rings fixed to the lower cylindrical body 30 so that bolts The injection pipe 34 fixed by mechanical means such as the like and connected to the lower side of the lower cylindrical body 30
Is connected to a grout injection hose 36 via an opening / closing valve 35, and passes through the hose 36, the opening / closing valve 35, and the injection pipe 34, and is connected to the lower cylinder 30 and the intermediate pile 23 having a plurality of dowels 37 fixed to the outer surface. In the meantime, a time-hardening material 38 such as mortar mixed with a water-immiscible admixture is injected and filled. Then, after the on-off valve 35 is closed, the hose 36 is removed from the on-off valve 35 and collected.

The upper end of the brace 15 and the steel pipe sheet pile 7 or the rear pile 17 are fixed by welding through one or more steel connecting members 39, and the connecting portion of the steel connecting members 39 is formed in the superstructure 24. Embedded in

FIGS. 28 and 29 show an example in which a steel cross beam 40 is used. The upper part in the wall member 3, the upper part in the intermediate pile 23, and the steel pipe sheet pile 7 or the rear pile are shown in advance. A partition plate 42 is fixed to the upper side of the inside 17, and the steel cross beam 40 is installed over the upper end of the wall member 3, the upper end of the intermediate pile 23, and the upper end of the steel pipe sheet pile 7 or the rear pile 17. The wall member 3, the intermediate pile 23, and the steel cross beam 40 at the position of the steel pipe sheet pile 7 or the rear pile 17.
U-shaped reinforcing bar 41 is fixed to the upper end of
The legs of the U-shaped reinforcing bar 41 are inserted into the upper portion of the wall component 3, the upper portion of the intermediate pile 23, the upper portion of the steel pipe sheet pile 7 or the upper portion of the rear pile 17, and the upper portion of the wall component 3. Intermediate pile 2
3 and the upper part of the steel pipe sheet pile 7 or the upper part of the rear pile 17 are filled with the age-hardenable material 43,
One leg is embedded in the time-curable material 43.

FIGS. 30 and 31 show the joint structure of the wall member 3 and the steel pipe sheet pile 7. In the case of FIG. 30, the steel pipes 14 and 19 are arranged at an interval. One side of the pair of L-shaped steels 44 is fixed by welding, and the T-shaped steel 48 is attached to the other adjacent steel pipes 14 and 19.
Are fixed by welding. In the case of FIG. 31, the small-diameter steel pipe 46 having the slit 45 is provided with the steel pipes 14 and 19 with the slit 45 deviated.
Is fixed by welding.

FIG. 32 and FIG.
The steel pipe sheet pile 7, the rear pile 17, and the steel cross beam 40 above the intermediate pile 23 show a connection structure. A steel leg 47 is fixed to the lower surface of the steel cross beam 40, and each wall structure is formed. The partition plate 42 is fixed to the upper end side of the member 3, the steel pipe sheet pile 7, the rear pile 17, and the intermediate pile 23 by welding. Further, the steel leg 47 is connected to the wall component 3, the steel pipe sheet pile 7, the rear pile 17, and The temporally hardening material 43 such as concrete is inserted into the upper part of the intermediate pile 23, the wall member 3, the rear pile 17 of the steel pipe sheet pile 7, and the partition 42 of the intermediate pile 23 are filled with the time-hardening material 43. A superstructure 24 made of a time-curable material made of the following material is cast.

[0023]

According to the present invention, since a large number of narrow slits 5 for water passage are provided in the wall 6, the energy loss of the waves passing through the slits 5 for water passage becomes large. The reflected wave height decreases. In addition, since the vertical range of the water passage slit 5 can be set arbitrarily, the wave-dissipating efficiency can be adjusted according to wave conditions such as the period and wave height, and the upper surface shape of the water-reducing chamber lower layer 9 can be changed. Or
The wave-dissipating efficiency can also be adjusted by loading the wave-dissipating block 16 on the water-retention-chamber lower layer 9.

[Brief description of the drawings]

FIG. 1 is a vertical sectional side view showing a water body structure having a water retarding chamber according to a first embodiment of the present invention.

FIG. 2 is an enlarged sectional view taken along line AA of FIG.

FIG. 3 is an enlarged sectional view taken along line BB of FIG. 1;

FIG. 4 is a cross-sectional plan view showing a wall body having a slit for water passage.

FIG. 5 is a vertical sectional side view showing a water body structure having a water retarding chamber according to a second embodiment of the present invention.

FIG. 6 is an enlarged sectional view taken along line CC of FIG. 5;

FIG. 7 is an enlarged sectional view taken along line DD of FIG. 5;

FIG. 8 is a cross-sectional plan view showing a wall body having a slit for water flow.

FIG. 9 is a cross-sectional plan view showing the pile sheet wall for retaining.

FIG. 10 is a longitudinal sectional side view showing a water body structure having a water retarding chamber according to a third embodiment of the present invention.

FIG. 11 is an enlarged sectional view taken along line EE of FIG. 10;

FIG. 12 is an enlarged sectional view taken along line FF of FIG. 10;

FIG. 13 is a vertical sectional side view showing a water body structure having a water retarding chamber according to a fourth embodiment of the present invention.

FIG. 14 is a vertical sectional side view showing a water body structure having a water retarding chamber according to a fifth embodiment of the present invention.

FIG. 15 is a longitudinal sectional side view showing a water body structure having a water retarding chamber according to a sixth embodiment of the present invention.

FIG. 16 is a longitudinal sectional side view showing a water body structure having a water retarding chamber according to a seventh embodiment of the present invention.

FIG. 17 is a longitudinal sectional side view showing a water body structure having a water retarding chamber according to an eighth embodiment of the present invention.

18 is a plan view of the portion shown in FIG.

FIG. 19 is a vertical sectional side view showing a water body structure having a water retarding chamber according to a ninth embodiment of the present invention.

FIG. 20 is a plan view of the portion shown in FIG. 19;

FIG. 21 is a longitudinal sectional side view showing a water body structure having a water retarding chamber according to a tenth embodiment of the present invention.

FIG. 22 is a plan view of the portion shown in FIG. 21;

FIG. 23 is a longitudinal sectional side view showing a connecting portion between a lower part of a brace and an intermediate pile.

FIG. 24 is a longitudinal sectional front view showing a connecting portion between a lower part of a brace and an intermediate pile.

FIG. 25 is a partially longitudinal side view showing a connection structure of an upper end portion of a brace.

FIG. 26 is a partially longitudinal side view of the connection structure of the upper end of the brace.

FIG. 27 is an enlarged side view showing an upper right side portion of FIG. 26;

FIG. 28 is a plan view showing a connection structure between an intermediate pile or a rear pile and an upper end of a brace.

FIG. 29 is a longitudinal sectional side view showing a connecting portion of a steel cross beam to a wall member, an intermediate pile, a rear pile, and a steel pipe sheet pile.

FIG. 30 is a cross-sectional plan view showing another example of the steel pipe connecting portion.

FIG. 31 is a cross-sectional plan view showing another example of the steel pipe connecting portion.

FIG. 32 is a longitudinal sectional side view showing a connecting portion between a cross beam and an intermediate pile when the present invention is carried out.

FIG. 33 is a vertical sectional side view showing a connecting portion between a rear pile and a wall component, a steel pipe sheet pile, a rear pile, and a cross beam when the present invention is carried out.

FIG. 34 is a vertical sectional side view showing a conventional water body structure.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Joint 2 Joint 3 Wall component 4 Water bottom ground 5 Slit for water penetration 6 Wall 7 Steel pipe sheet pile 8 Reservoir wall 9 Lower layer of water chamber 10 Water chamber 11 Slope 12 Horizontal plane 13 Gravitational structure 14 Steel sheet pile or steel sheet pile main body REFERENCE SIGNS LIST 15 brace 16 wave-dissipating block 17 rear pile 19 steel sheet pile body 20 slit 21 joint 22 joint 23 steel intermediate pile 24 concrete superstructure 25 ground 26 concrete soil retaining member 27 stone 28 reinforcing rib 30 lower cylinder 31 spacer 32 dibel 33 Seal ring 34 Injection pipe 35 Open / close valve 36 Grout injection hose 37 Dowel 38 Temporary hardening material 39 Steel connecting member 40 Steel cross beam 41 Inverted U-shaped reinforcing bar 42 Partition plate 43 Temporary hardening material 44 L-shaped steel 45 Slit 46 Steel pipe 47 Steel leg 48 T-section steel

──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Kunio Takahashi 3-chome, Nagase 3-chome, Yokosuka City, Kanagawa Prefecture Within the Port and Harbor Research Institute, Ministry of Transport (72) Inventor Yutaka Nagai 1-14 Iriecho, Muroran City, Hokkaido Muroran, Hokkaido Development Bureau Inside the Development and Construction Department (72) Inventor Yoshinori Miyamoto 1-1-1 Suehirocho, Tomakomai City, Hokkaido Hokkaido Development Bureau Muroran Development and Construction Department Tomakomai Port Construction Office (72) Inventor Masahiko Fukami 1-4-1 Otemachi, Chiyoda-ku, Tokyo No. 1 Takebashi Building Within the Overseas Economic Cooperation Fund (72) Inventor Toru Sano 1-3-chome, Hiragishi, Toyohira-ku, Sapporo-city, Hokkaido Inside the Public Works Research Institute, Kita Kaido Development Bureau (72) Fuminori Suganuma 1-1-1, Suehirocho, Tomakomai-city, Hokkaido No. 1 Hokkaido Development Bureau Muroran Development and Construction Department Tomakomai Port Construction Office (72) Inventor Kimito Ito Hokkaido 1-1-1, Suehirocho, Tomakomai City Hokkaido Development Bureau Muroran Development and Construction Department Tomakomai Port Construction Office Inventor Katsutoshi Kimura 1-3-chome Hiragishi, Toyohira-ku, Sapporo-city, Hokkaido Inside the Public Works Research Institute, Kita-kaido Development Bureau (72) Inventor Koichi Sato 4-chome Kita 2-Jo Nishi, Chuo-ku, Sapporo, Hokkaido Nippon Steel Corporation Sapporo branch Inspector Shinichi Omori (56) References JP-A-6-346418 (JP, A) 7-247527 (JP, A) JP-A-4-134533 (JP, U) JP-B-58-24566 (JP, B2) (58) Fields investigated (Int. Cl. ⁷ , DB name) E02B 3/06 301

Claims (13)

(57) [Claims] 1. A large number of wall components 3 provided with joints 1 and 2 on the lower side are driven into a submarine ground 4 by engaging the joints 1 and 2, and a slit 5 for water passage is formed on an upper side. The rear pile 17 is cast on the underwater ground 4 at a position away from the wall 6 on the land side, and the rear pile 17
The lower layer 9 of the retarding chamber is provided at a lower portion between the lower layer 9 and the front upper surface of the lower layer 9 of the retarding chamber is disposed at a position lower than the upper ends of the joints 1 and 2. A water area structure having a water retarding chamber, wherein a water retarding chamber 10 is provided. 2. The water body structure having a water retarding chamber according to claim 1, wherein the upper surface of the lower layer of the water retarding chamber comprises a slope 11 inclined at the same angle. 3. A water body structure having a water retarding chamber according to claim 1, wherein the upper surface of the lower layer of the water retarding chamber comprises an inclined surface and a horizontal surface. 4. The entire upper surface of the lower layer 9 of the retarding chamber is a horizontal surface 12.
A water body structure having a water retarding chamber according to claim 1, wherein the water body structure comprises: 5. The water body structure having a water retarding chamber according to claim 1, wherein the earth retaining portion comprises a gravity type structure. 6. The retaining wall 8 is made of steel sheet pile or steel pipe sheet pile main body 1.
4. The water body structure having a water retarding chamber according to claim 1, wherein the water body structure comprises: 7. The upper part of the intermediate pile 23 is mutually braced.
The water body structure having a water retarding chamber according to claim 1, wherein the water body structure is connected by: 8. An earth retaining wall 8 made of steel sheet pile or steel pipe sheet pile.
The water body structure having a water play chamber according to claim 1, wherein the intermediate pile (23) and the intermediate pile (23) are connected by a brace (15). 9. The upper end of the rear pile 17 and the upper part of the intermediate pile 23 cast immediately before the rear pile 17 have a brace 1.
The water body structure having a water retarding chamber according to claim 1, wherein the water body structure is connected by 5. 10. The member forming the retaining wall 8 is a rear pile 17
The water body structure having a water retarding chamber according to claim 1, comprising a columnar member such as 11. The water body structure having a water play chamber according to claim 1, wherein the water play chamber lower layer 9 is made of earth and sand or stone. 12. The lower side of the water-reducing chamber lower layer 9 is earth and sand,
The water body structure having a water play chamber according to claim 1, wherein the upper side of the water play chamber lower layer 9 is made of stone. 13. The water body structure having a water retardation chamber according to claim 1, wherein the wave-dissipating block is disposed on the upper surface of the lower layer of the water retardation chamber.