CN113638360A - Seawall stone-stacked protective surface structure - Google Patents

Seawall stone-stacked protective surface structure Download PDF

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Publication number
CN113638360A
CN113638360A CN202110968855.3A CN202110968855A CN113638360A CN 113638360 A CN113638360 A CN 113638360A CN 202110968855 A CN202110968855 A CN 202110968855A CN 113638360 A CN113638360 A CN 113638360A
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China
Prior art keywords
seawall
granite
rock
stone
riprap
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CN202110968855.3A
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Chinese (zh)
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CN113638360B (en
Inventor
刘鹏晨
董学刚
马如彬
顾威
丁坤
周雅
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Shanghai Municipal Engineering Design Insitute Group Co Ltd
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Shanghai Municipal Engineering Design Insitute Group Co Ltd
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    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02BHYDRAULIC ENGINEERING
    • E02B3/00Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
    • E02B3/04Structures or apparatus for, or methods of, protecting banks, coasts, or harbours
    • E02B3/06Moles; Piers; Quays; Quay walls; Groynes; Breakwaters ; Wave dissipating walls; Quay equipment
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02BHYDRAULIC ENGINEERING
    • E02B3/00Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
    • E02B3/04Structures or apparatus for, or methods of, protecting banks, coasts, or harbours
    • E02B3/06Moles; Piers; Quays; Quay walls; Groynes; Breakwaters ; Wave dissipating walls; Quay equipment
    • E02B3/08Structures of loose stones with or without piles
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02BHYDRAULIC ENGINEERING
    • E02B3/00Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
    • E02B3/04Structures or apparatus for, or methods of, protecting banks, coasts, or harbours
    • E02B3/12Revetment of banks, dams, watercourses, or the like, e.g. the sea-floor
    • E02B3/129Polyhedrons, tetrapods or similar bodies, whether or not threaded on strings
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02BHYDRAULIC ENGINEERING
    • E02B3/00Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
    • E02B3/04Structures or apparatus for, or methods of, protecting banks, coasts, or harbours
    • E02B3/12Revetment of banks, dams, watercourses, or the like, e.g. the sea-floor
    • E02B3/14Preformed blocks or slabs for forming essentially continuous surfaces; Arrangements thereof
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A10/00TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE at coastal zones; at river basins
    • Y02A10/11Hard structures, e.g. dams, dykes or breakwaters

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Revetment (AREA)

Abstract

The invention relates to the technical field of seawalls, in particular to a seawall stone-stacked surface protecting structure which comprises granite stones, a bagged broken stone cushion layer, geotextile, filled riprap, plain concrete ballast and riprap guard legs.

Description

Seawall stone-stacked protective surface structure
Technical Field
The invention relates to the technical field of seawalls, in particular to a seawall stone-stacked protective surface structure.
Background
The seawall is used as a first protective barrier for protecting the life and property safety of people in coastal areas, bears important moisture (flood) prevention responsibility, and for resisting storm surge and wave invasion, for urban waterfront coastlines with higher safety level, the outer slope protective surface of the seawall is usually of a hard structure such as riprap, artificial precast concrete blocks and the like, the appearance is monotonous and hard, and the landscape and the hydrophilicity are poor. In order to improve the relation between urban areas and water banks and shape multi-level international water bank urban images, a seawall facing structure which is beautiful and tidy and can achieve the characteristics of water front on the basis of meeting the requirements of seawall moisture protection (flood) needs to be explored urgently.
Disclosure of Invention
The invention aims to provide a sea wall rock-stacking protective surface structure form, which adopts granite rock-stacking with accessible and staggered waterfront, improves the urban sea wall landscape and experience feeling of poorer hydrophilicity, and creates safe and rich hydrophilic space shorelines.
In order to solve the technical problem, the invention is solved by the following technical scheme: a sea wall stone-stacked facing structure is characterized by comprising granite stone stacks, bagged broken stone cushions, geotextile, filling riprap, plain concrete ballast feet and riprap foot protectors.
Further, the seawall armor structure comprises two parts, a slope structure: the artificial embankment comprises filling riprap filled on a embankment face, geotechnical cloth laid on the outer surface of the filling riprap, a bagged broken stone cushion layer laid on the geotechnical cloth, and granite overlapped stones constructed on the bagged broken stone cushion layer;
the toe structure: the artificial stone comprises a plain concrete ballast foot which is constructed at a dike foot and is positioned in front of granite overlapped stones, and a riprap banket which is constructed in front of the plain concrete ballast foot, wherein the bagged gravel cushion layer and the geotextile are also sequentially paved at the bottom of the riprap banket.
Further, in order to avoid the washing of the outer slope feet and improve the stability of the sea wall slope, plain concrete ballast feet are arranged at the dike feet, riprap safety feet are arranged on the outer sides of the dike feet, the surface is laid and leveled, and the weight of the riprap safety feet is determined by the maximum wave bottom flow velocity in front of the dike obtained by the pushing of the near-bank wave elements.
Furthermore, in order to prevent water flow from scouring the mud surface and control uneven settlement, bagged broken stone cushion layers and geotextiles are sequentially arranged below the plain concrete foot-stabilizing and stone-throwing foot-protecting parts.
Furthermore, the inner side of the plain concrete ballast foot is filled with riprap to granite overlapped stone design bottom elevation, and a gravel cushion layer and geotextile are sequentially bagged and laid below the plain concrete ballast foot to mainly control uneven settlement and leveling.
Furthermore, a plurality of layers of granite overlapped stones are laid, preferably, two layers of granite overlapped stones are laid above the broken stone cushion layer according to design requirements, the lower layer of overlapped stones are laid firstly on the natural surface of the surface, and then the upper layer of overlapped stones are laid.
Furthermore, each layer of granite overlapped stones are arranged in a staggered step mode at a fixed angle along the normal direction of a shore line.
Preferably, the staggered step type arrangement is 15 degrees along the normal direction of a shore line.
Furthermore, the stable weight of the single folded stone is obtained by the near-shore wave element and comprehensively determined by combining landscape requirements.
Preferably, the single stone stack has a specification of 1500mm (length) x 750mm (width) x 350mm (height).
Furthermore, the middle of the granite overlapped stone can be lapped with a wave dissipation platform, the wave dissipation platform comprises two layers of granite overlapped stones, the granite overlapped stones in each layer are located on the same horizontal plane, the wave dissipation platform can weaken wave force and reduce wave climbing height, and the preferred wave dissipation platform is 3m long.
Furthermore, according to landscape design requirements, the stone folding combinations with different colors can be selected to be arranged in a staggered step mode along the normal direction of the shoreline at a certain angle, so that the landscape effect is good, and the hydrophilicity is good.
The invention has the beneficial effects that:
1. the invention arranges granite superposed stones with different colors in a staggered way, so that the originally monotonous and hard waterfront space becomes active, rich and colorful;
2. the folded stone meets the requirements of wind and wave resistance and stability, and has the functions of weakening wave force and reducing wave climbing height when wind and waves attack;
3. the step-type arrangement of the stacked stones has accessibility to the waterfront, and can be used for tourists to rest in the daily life of fluctuating tides;
4. the layered stones can be flexibly arranged, the specifications, staggered height difference and placing angles of the layered stones are adjusted, the layering sense is rich, and the overall effect is good;
5. the invention realizes the organic integration of urban moisture (flood) prevention and waterfront landscape, and improves the function quality and the landscape quality of the public space of the Yangtze river.
Drawings
Fig. 1 is a cross-sectional view of a seawall rock-stacked facing structure according to an embodiment of the present invention.
Fig. 2 is a plan view of a seawall stone-stacked facing structure according to an embodiment of the present invention.
Numbering in the figures: 1-granite overlapped stones, 2-bagged broken stone cushion layers, 3-geotextile, 4-filling riprap, 5-plain concrete foot ballast, 6-riprap foot protection and 7-wave dissipation platform.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
As shown in fig. 1-2, the invention relates to a seawall stone-stacked protective surface structure: mainly comprises granite overlapped stones 1, a bagged broken stone cushion layer 2, geotextile 3, filling riprap 4, plain concrete ballast 5 and riprap foot protector 6.
In order to avoid the scouring of the outer slope feet and improve the stability of the sea wall side slope, plain concrete ballast feet are arranged at the positions of the ballast feet, in the embodiment, the dimensions of the plain concrete ballast feet 5 are 1000mm (width) multiplied by 1000mm (height), 100-200 kg of stone throwing and protecting feet 6 are arranged on the outer sides of the plain concrete ballast feet 5, the surfaces of the plain concrete ballast feet are leveled, and bagged broken stone cushion layers 2 and geotextiles 3 are arranged below the plain concrete ballast feet 5 in sequence, so that the scouring of water flow to the mud surface is prevented, and the uneven settlement is controlled.
The inner side of the plain concrete ballast 5 is filled with 10-100 kg of riprap to the designed bottom elevation of the folded gravel, and a bagged gravel cushion layer 2 and geotextile 3 are laid below the plain concrete ballast in sequence to mainly control uneven settlement and leveling. Two layers of granite overlapped stones 1 are laid above the bagged broken stone cushion layer 2 according to design requirements, a natural surface is laid on the surface of the granite overlapped stones, a lower layer of granite overlapped stones is laid firstly, and then an upper layer of granite overlapped stones is laid. In this example, the dimension of the single-block stone stack is 1500mm (length) × 750mm (width) × 350mm (height), the stone stacks are arranged in a staggered step-type manner along the normal direction of the shore line at 15 degrees, and a 3 m-wide wave-dissipating platform 7 is arranged in the middle and is composed of two layers of granite stone stacks.

Claims (6)

1. The utility model provides a sea wall folds stone dado structure which characterized in that includes:
slope surface structure: filling riprap (4) filled on the surface of the embankment, geotextile (3) laid on the outer surface of the filling riprap (4), a bagged broken stone cushion layer (2) laid on the geotextile (3), and granite overlapped stones (1) constructed on the bagged broken stone cushion layer (2);
the toe structure: the artificial stone comprises a plain concrete ballast foot (5) which is constructed at the position of a dike foot and is positioned in front of granite overlapped stones (1), a riprap protection foot (6) which is constructed in front of the plain concrete ballast foot (5), and a bagged gravel cushion layer (2) and geotechnical cloth (3) which are also sequentially paved at the bottom of the riprap protection foot (6).
2. A seawall rock-pack facing structure according to claim 1, characterized in that the granite rock-pack (1) is laid in several layers.
3. The seawall rock-superposed revetment structure according to claim 2, characterized in that each layer of granite rock-superposed stones (1) is staggered and stepped at a fixed angle along the normal direction of the shore line.
4. The seawall rock-stacked facing structure according to claim 1, characterized in that the granite rock-stacked (1) is further overlapped with a wave-breaking platform (7).
5. The seawall stone-stacked facing structure according to claim 1, wherein the width of the plain concrete ballast foot (5) is 1000mm, the height of the plain concrete ballast foot is 1000mm, and the weight of the riprap skirt (6) is 100-200 kg.
6. A seawall rock-pack facing structure according to claim 1, characterized in that the granite rock-pack (1) is 1500mm long, 750mm wide and 350mm high.
CN202110968855.3A 2021-08-23 2021-08-23 Seawall folded stone facing structure Active CN113638360B (en)

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CN202110968855.3A CN113638360B (en) 2021-08-23 2021-08-23 Seawall folded stone facing structure

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CN113638360B CN113638360B (en) 2023-05-26

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114411627A (en) * 2022-02-25 2022-04-29 中交(寿光)投资有限公司 Double combined wave-dissipating seawall with rough stone facing structure

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5087150A (en) * 1989-10-12 1992-02-11 Mccreary Donald R Method of constructing a seawall reinforcement or jetty structure
CN104612104A (en) * 2015-02-05 2015-05-13 河海大学 Novel flexible coast protection structure and construction method thereof
JP2017110385A (en) * 2015-12-16 2017-06-22 田中 和雄 Breakwater toughening construction method
CN206800348U (en) * 2017-05-04 2017-12-26 国电大渡河沙坪水电建设有限公司 A kind of apron structure of improvement
CN211228358U (en) * 2019-10-10 2020-08-11 上海市水利工程设计研究院有限公司 Improved generation seawall dyke foot reinforced structure
CN111622179A (en) * 2020-05-28 2020-09-04 上海市水利工程设计研究院有限公司 Fence plate slope protection structure for ecological reconstruction of sea wall and construction method thereof
CN212426957U (en) * 2020-05-30 2021-01-29 福建万山水利水电设计有限公司 Bank protection engineering hydraulic structure

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5087150A (en) * 1989-10-12 1992-02-11 Mccreary Donald R Method of constructing a seawall reinforcement or jetty structure
CN104612104A (en) * 2015-02-05 2015-05-13 河海大学 Novel flexible coast protection structure and construction method thereof
JP2017110385A (en) * 2015-12-16 2017-06-22 田中 和雄 Breakwater toughening construction method
CN206800348U (en) * 2017-05-04 2017-12-26 国电大渡河沙坪水电建设有限公司 A kind of apron structure of improvement
CN211228358U (en) * 2019-10-10 2020-08-11 上海市水利工程设计研究院有限公司 Improved generation seawall dyke foot reinforced structure
CN111622179A (en) * 2020-05-28 2020-09-04 上海市水利工程设计研究院有限公司 Fence plate slope protection structure for ecological reconstruction of sea wall and construction method thereof
CN212426957U (en) * 2020-05-30 2021-01-29 福建万山水利水电设计有限公司 Bank protection engineering hydraulic structure

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114411627A (en) * 2022-02-25 2022-04-29 中交(寿光)投资有限公司 Double combined wave-dissipating seawall with rough stone facing structure

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