JP2006219817A - 防波堤 - Google Patents
防波堤 Download PDFInfo
- Publication number
- JP2006219817A JP2006219817A JP2005031236A JP2005031236A JP2006219817A JP 2006219817 A JP2006219817 A JP 2006219817A JP 2005031236 A JP2005031236 A JP 2005031236A JP 2005031236 A JP2005031236 A JP 2005031236A JP 2006219817 A JP2006219817 A JP 2006219817A
- Authority
- JP
- Japan
- Prior art keywords
- wave
- breakwater
- blocks
- particle size
- gravel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A10/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE at coastal zones; at river basins
- Y02A10/11—Hard structures, e.g. dams, dykes or breakwaters
Landscapes
- Revetment (AREA)
Abstract
【解決手段】 防波堤Aをスリットケーソン10と、スリットケーソン10の背後に設ける消波層20から構成する。消波層20は、複数のブロック20a、20b等から構成し、ブロック20a、20b等に集積する充填材としての礫の粒径を互いに異なる粒径とする。例えば、中央粒径を異なるものとする。また、スリットケーソン10の直後に設けるブロック20aの礫の中央粒径を、他のブロック20b等に集積する礫の中央粒径よりも大きくする。
【選択図】 図1
Description
平石哲也、永瀬恭一著、「流体直接解析法による長周期波対策護岸の性能検討」、海岸工学論文集、日本、土木学会、2002年、第49巻、p686−690
本実施の形態では、スリットケーソンの背後に消波層を設けた構成の防波堤において、消波層を複数のブロックから構成し、個々のブロックがそれぞれ異なる粒径の代表値で示される礫等の充填材が集積されて構成されている場合について説明する。
本実施の形態では、前記実施の形態1で説明した構成の防波堤の消波層における波浪のエネルギー減衰を、消波層を構成する礫等の充填材の粒径との関係から規定して、かかる結果を用いて本発明に係る構成の防波堤の設計を行う場合に使用する有効な手法について説明する。
前記実施の形態1では、集積する礫の粒径の代表値が異なる複数のブロックの区分けを、図1(a)、(b)に示すように、鉛直方向に行う場合について説明したが、図9(a)に示すように、ブロックの区分けをスロープ状に設定しても構わない。図9(b)は、図9(a)に示す場合の逆に設定した場合を示す。図9(c)に示す構成は、ブロック20a、20b、20cの各区分けスロープの傾斜方向を同一方向に揃えた構成の一例を示す。図9(d)に示す構成は、ブロック20a、20b、20cの区分けスロープを、向きを互いに逆方向に設定した場合の一例である。
11 遊水室
20 消波層
20a ブロック
20b ブロック
30 マウンド
50 造波水路
60 往復流発生装置
61 電磁流量計
62 ポンプ
63 円筒試験容器
64 管路
100 防波堤
110 スリットケーソン
120 消波層
A 防波堤
B 防波堤模型
B10 スリットケーソン
B11 遊水室
B20 消波層
B20a ブロック
B20b ブロック
B30 マウンド
D20a 中央粒径
D20b 中央粒径
D20c 中央粒径
Claims (4)
- 波浪の打ち寄せる側にスリットケーソンを設け、前記スリットケーソンの背後に消波層を設けた防波堤であって、
前記消波層は、礫等の充填材を集積した複数のブロックからなり、前記複数のブロックは、ブロック毎の前記充填材の粒径の代表値が異なることを特徴とする防波堤。 - 請求項1記載の防波堤において、
前記消波層を構成する複数のブロックのうち、波浪の打ち寄せ方向に沿って、前記スリットケーソン側に一番近い側のブロックの充填材の粒径の代表値は、前記複数のブロックの充填材の内で最大であることを特徴とする防波堤。 - 請求項1記載の防波堤において、
前記消波層を構成する複数のブロックは、波浪の打ち寄せ方向に沿って、前記スリットケーソン側から離れるに従って、前記充填材の粒径の代表値が小さくなる複数のブロックが順次配置されて形成されていることを特徴とする防波堤。 - 請求項1〜3のいずれか1項に記載の防波堤において、
前記充填材の粒径の代表値とは、礫の粒径の中央粒径であることを特徴とする防波堤。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005031236A JP4764968B2 (ja) | 2005-02-08 | 2005-02-08 | 防波堤 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005031236A JP4764968B2 (ja) | 2005-02-08 | 2005-02-08 | 防波堤 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2006219817A true JP2006219817A (ja) | 2006-08-24 |
JP4764968B2 JP4764968B2 (ja) | 2011-09-07 |
Family
ID=36982322
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2005031236A Expired - Fee Related JP4764968B2 (ja) | 2005-02-08 | 2005-02-08 | 防波堤 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP4764968B2 (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101089595B1 (ko) * | 2009-09-07 | 2011-12-05 | 구태희 | 조차를 고려한 해수 교환 방파제 |
JP2015512108A (ja) * | 2012-03-27 | 2015-04-23 | キム,ソク−ムン | 3次元防波堤シミュレーションシステム及びそのシミュレーション方法 |
JP2016148195A (ja) * | 2015-02-12 | 2016-08-18 | 国立大学法人山口大学 | 洗掘防止方法 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5153736A (en) * | 1974-11-05 | 1976-05-12 | Taiho Kensetsu Kk | Goganmataha ganpekino chikuzohoho |
JPS56128809A (en) * | 1980-09-26 | 1981-10-08 | Ishikura Tomiko | Structure of wave dissipation revetment |
JPH02197607A (ja) * | 1989-01-25 | 1990-08-06 | Kubota Ltd | 護岸ブロック |
JPH03278886A (ja) * | 1990-03-29 | 1991-12-10 | Shimizu Corp | 水域浄化施設 |
JP2001040633A (ja) * | 1999-08-02 | 2001-02-13 | Kobe Steel Ltd | 消波構造物 |
-
2005
- 2005-02-08 JP JP2005031236A patent/JP4764968B2/ja not_active Expired - Fee Related
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5153736A (en) * | 1974-11-05 | 1976-05-12 | Taiho Kensetsu Kk | Goganmataha ganpekino chikuzohoho |
JPS56128809A (en) * | 1980-09-26 | 1981-10-08 | Ishikura Tomiko | Structure of wave dissipation revetment |
JPH02197607A (ja) * | 1989-01-25 | 1990-08-06 | Kubota Ltd | 護岸ブロック |
JPH03278886A (ja) * | 1990-03-29 | 1991-12-10 | Shimizu Corp | 水域浄化施設 |
JP2001040633A (ja) * | 1999-08-02 | 2001-02-13 | Kobe Steel Ltd | 消波構造物 |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101089595B1 (ko) * | 2009-09-07 | 2011-12-05 | 구태희 | 조차를 고려한 해수 교환 방파제 |
JP2015512108A (ja) * | 2012-03-27 | 2015-04-23 | キム,ソク−ムン | 3次元防波堤シミュレーションシステム及びそのシミュレーション方法 |
JP2016148195A (ja) * | 2015-02-12 | 2016-08-18 | 国立大学法人山口大学 | 洗掘防止方法 |
Also Published As
Publication number | Publication date |
---|---|
JP4764968B2 (ja) | 2011-09-07 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
Sumer et al. | Scour around coastal structures: a summary of recent research | |
Figlus et al. | Wave overtopping and overwash of dunes | |
Sumer et al. | Local scour at roundhead and along the trunk of low crested structures | |
Takagi et al. | Assessment of the effectiveness of general breakwaters in reducing tsunami inundation in Ishinomaki | |
Koraim et al. | Effect of under connected plates on the hydrodynamic efficiency of the floating breakwater | |
Burcharth et al. | Innovative engineering solutions and best practices to mitigate coastal risk | |
JP4764968B2 (ja) | 防波堤 | |
Lokesha et al. | Artificial reefs: a review | |
El Sayed et al. | NILE Delta shoreline protection between past and future | |
Shin et al. | Physical modelling of the wave transmission over a tetrapod armored artificial reef | |
Al Womera | Experimental and numerical investigation on wave interaction with submerged breakwater | |
Poff et al. | Permeable wood groins: case study on their impact on the coastal system | |
Vieira | Wave hydrodynamics in coastal stretches influenced by detached breakwaters | |
JP4775738B2 (ja) | 長周期波低減対策構造物 | |
Wilson et al. | THE EFFECT OF ANCHORED LARGE WOODY DEBRIS ON BEACH MORPHOLOGY: A PHYSICAL MODEL STUDY | |
Cornett et al. | Value of 3D physical modeling in harbor design-gateway harbor Chicago case study | |
Van Geer et al. | Modelling scour in front of dune revetments in a surf-beat model | |
DI RONZA et al. | Chapter Water circulation in coastal marine areas-case studies | |
Di Natale et al. | Water circulation in coastal marine areas-case studies | |
Uda et al. | Beach Changes on Coast Subject to Waves and Seaward or Shoreward Strong Currents | |
Xu | Tsunami loads on coastal structures and the mitigation measures | |
Sakakiyama | Flow Fields of Tsunamis Passing on Rubble Mound Breakwater | |
Soliman et al. | Evaluation of two numerical models for the design of artificial submerged reef | |
Das Neves et al. | Physical modeling of sand-filled geosystems for coastal protection | |
Afroz | Experimental and numerical investigation on wave interaction with horizontal slotted submerged porous breakwater |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20080109 |
|
A521 | Written amendment |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20080602 |
|
A521 | Written amendment |
Free format text: JAPANESE INTERMEDIATE CODE: A821 Effective date: 20080602 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20090831 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20090908 |
|
A521 | Written amendment |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20091106 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20100921 |
|
A521 | Written amendment |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20101119 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20110301 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20110310 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 4764968 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20140624 Year of fee payment: 3 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
S533 | Written request for registration of change of name |
Free format text: JAPANESE INTERMEDIATE CODE: R313533 |
|
R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
S531 | Written request for registration of change of domicile |
Free format text: JAPANESE INTERMEDIATE CODE: R313531 |
|
R370 | Written measure of declining of transfer procedure |
Free format text: JAPANESE INTERMEDIATE CODE: R370 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
S111 | Request for change of ownership or part of ownership |
Free format text: JAPANESE INTERMEDIATE CODE: R313115 |
|
R360 | Written notification for declining of transfer of rights |
Free format text: JAPANESE INTERMEDIATE CODE: R360 |
|
R360 | Written notification for declining of transfer of rights |
Free format text: JAPANESE INTERMEDIATE CODE: R360 |
|
R371 | Transfer withdrawn |
Free format text: JAPANESE INTERMEDIATE CODE: R371 |
|
S111 | Request for change of ownership or part of ownership |
Free format text: JAPANESE INTERMEDIATE CODE: R313115 |
|
R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
LAPS | Cancellation because of no payment of annual fees |