CN211228358U - Improved generation seawall dyke foot reinforced structure - Google Patents

Improved generation seawall dyke foot reinforced structure Download PDF

Info

Publication number
CN211228358U
CN211228358U CN201921688121.4U CN201921688121U CN211228358U CN 211228358 U CN211228358 U CN 211228358U CN 201921688121 U CN201921688121 U CN 201921688121U CN 211228358 U CN211228358 U CN 211228358U
Authority
CN
China
Prior art keywords
foot
foundation pit
reinforcing
dike
reinforced
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.)
Active
Application number
CN201921688121.4U
Other languages
Chinese (zh)
Inventor
舒叶华
李欢
施震余
才多
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanghai Water Engineering Design and Research Institute Co Ltd
Original Assignee
Shanghai Water Engineering Design and Research Institute Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shanghai Water Engineering Design and Research Institute Co Ltd filed Critical Shanghai Water Engineering Design and Research Institute Co Ltd
Priority to CN201921688121.4U priority Critical patent/CN211228358U/en
Application granted granted Critical
Publication of CN211228358U publication Critical patent/CN211228358U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • 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

Landscapes

  • Revetment (AREA)

Abstract

The utility model discloses an improved sea wall dyke foot reinforcing structure, which comprises an original dyke foot and a slope protection structure constructed on the rear slope surface of the original dyke foot; further comprising: a reinforced foundation pit formed by excavating the outer base surface of the undisturbed dike foot; the geotextile is laid on the bottom surface of the reinforced foundation pit; a gravel cushion layer which is laid in the reinforced foundation pit and is positioned above the geotextile; an L-shaped concrete externally-wrapped reinforcing structure which is poured in the reinforcing foundation pit and covers the top surface of the undisturbed dike foot; a plurality of reinforcing planting bars which are implanted on the outer side surface and the top surface of the undisturbed dike foot at intervals and are respectively connected with the L-shaped concrete external wrapping reinforcing structure; and the riprap backfill structure is filled in the reinforced foundation pit and is positioned on the outer side of the L-shaped concrete outer-wrapping reinforced structure. The utility model discloses consolidate the original state dyke foot under the condition of not demolising former dyke foot, save material, low cost.

Description

Improved generation seawall dyke foot reinforced structure
Technical Field
The utility model relates to a seawall engineering technical field especially relates to an improved generation seawall dyke foot reinforced structure.
Background
The sea wall engineering is used as a first barrier of a platform flood control security system in the coastal region, effectively defends damage of storm tides (floods), waves and the like, and is a life line for economic and social development in the coastal region. Because the construction level of coastal levees in China is uneven and the construction times of the coastal levees are different, along with the acceleration of the construction pace of coastal industrial zones, the construction of high-standard and high-quality coastal levees is urgently needed. Due to the reasons of improper design, poor construction quality, maintenance management and the like, the breakwater feet of the sea dike are often damaged or hollowed under the action of external force such as soil body subsidence, storm attack, fluctuating tide top impact and the like, and the safety and the stability of the structure of the dike body are directly influenced. The levee is combined with the lifting mark construction of the levee, the wave dissipation structure with a certain thickness is covered on the original structure, and the dike legs are required to be provided with supporting square legs with certain strength. The development of a structure which has good stability and is convenient and feasible for reinforcing and transforming the original structure on the basis of meeting the flood prevention safety requirement of the seawall is urgently needed. To this end, the applicant has sought, through useful research and research, a solution to the above-mentioned problems, in the context of which the technical solutions to be described below have been made.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve lies in: aiming at the defects of the prior art, the improved sea wall dyke foot reinforcing structure is provided, which has good stability, convenient and feasible reinforcing and reconstruction and investment saving on the basis of meeting the flood prevention safety requirement of the sea wall.
The utility model discloses the technical problem that will solve can adopt following technical scheme to realize:
an improved dike foot reinforcing structure for a seawall comprises an original dike foot and a slope protection structure constructed on the slope surface at the rear side of the original dike foot; it is characterized by also comprising:
a reinforced foundation pit formed by excavating the outer base surface of the undisturbed dike foot;
the geotextile is laid on the bottom surface of the reinforced foundation pit;
a gravel cushion layer which is laid in the reinforced foundation pit and is positioned above the geotextile;
an L-shaped concrete externally-wrapped reinforcing structure which is poured in the reinforcing foundation pit and covers the top surface of the undisturbed dike foot;
a plurality of reinforcing planting bars which are implanted on the outer side surface and the top surface of the undisturbed dike foot at intervals and are respectively connected with the L-shaped concrete external wrapping reinforcing structure; and
and the riprap backfill structure is filled in the reinforced foundation pit and is positioned on the outer side of the L-shaped concrete outer-wrapping reinforced structure.
In a preferred embodiment of the present invention, the geotextile is 200g/m2~300g/m2And (4) geotextile.
In a preferred embodiment of the present invention, the thickness of the gravel cushion layer is 150mm to 250 mm.
In a preferred embodiment of the present invention, the reinforcing steel bars are arranged in a quincunx shape, and the distance between two adjacent reinforcing steel bars is 0.5m to 1.5 m.
In a preferred embodiment of the present invention, the L-shaped concrete outer-covering reinforcement structure is C25 plain concrete.
In a preferred embodiment of the present invention, the bottom layer of the riprap backfilling structure is graded stone, and the surface layer thereof is 80 kg-150 kg of boulders.
Due to the adoption of the technical scheme, the beneficial effects of the utility model reside in that: the utility model discloses consolidate the original state dyke foot under the condition of not demolising former dyke foot, save material, low cost. And simultaneously, the utility model discloses a technology mature concrete technology is under construction, can effectively accelerate the construction progress. The utility model discloses be particularly useful for various bank protection transformation projects such as seawall, harbour breakwater, channel and river course shore protection.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand and understand, the present invention is further explained by combining with the specific drawings.
Referring to fig. 1, there is shown an improved dike foot reinforcement structure for a seawall, which comprises an undisturbed dike foot 100 and a slope protection structure 200 constructed on a rear slope of the undisturbed dike foot 100. The utility model discloses still including consolidating foundation ditch 300, geotechnological cloth 400, rubble bed course 500, L type concrete outsourcing reinforced structure 600, a plurality of reinforcement bar 700 and throwing the stone and backfilling structure 800.
The reinforcing foundation pit 300 is formed by excavating the outer base surface of the raw-state dike foot 100.
The geotextile 400 is laid on the bottom surface of the reinforcement foundation pit 300. The geotextile 400 is 200g/m2~ 300g/m2Geotextile, preferably 250g/m2And (4) geotextile.
The gravel pack 500 is laid in the reinforcement pit 300 over the geotextile 400. The stone pad 500 has a thickness of 150mm to 250mm, preferably 200 mm.
The L-shaped concrete external reinforced structure 600 is poured into the reinforced foundation pit 300 and covers the top surface of the undisturbed dike foot 100. The L-shaped concrete outer-wrapped reinforced structure 600 is made of C25 plain concrete.
The reinforcing steel bars 700 are implanted on the outer side and the top of the undisturbed dike foot 100 at intervals in a quincunx arrangement mode and are respectively connected with the L-shaped concrete external wrapping reinforcing structure 600. In order to ensure the reinforcing effect, the distance between two adjacent reinforcing planting bars 700 is 0.5m to 1.5m, preferably 1 m.
The riprap backfilling structure 800 is filled in the reinforced foundation pit 300 and is located outside the L-shaped concrete external reinforced structure 600. The bottom layer of the riprap backfilling structure 800 is graded stone, and the surface layer is 80 kg-150 kg of boulders. The top surface of the riprap backfilling structure 800 is substantially flush with the top surface of the L-shaped concrete outer-wrapped reinforcement structure 600.
The utility model discloses an improved generation seawall dyke foot reinforced structure's work progress as follows:
1. excavating the outer base surface of the undisturbed dike foot 100 to form a reinforced foundation pit 300, and finishing the base surface;
2. a layer of 250g/m is laid on the bottom surface of the reinforced foundation pit 3002The method comprises the following steps of (1) paving a geotextile 400, and paving a gravel cushion layer 500 with the thickness of 200mm on the geotextile 400;
3. chiseling and drilling holes on the outer side surface and the top surface of the undisturbed dike foot 100, and implanting a plurality of reinforcing planting ribs 700 into the undisturbed dike foot 100 in a quincunx arrangement mode, wherein the distance is 1 m;
4. c25 concrete is poured in the reinforced foundation pit 300 and on the top surface of the undisturbed dike foot 100 to reach the bottom elevation of the slope protection structure 200, and an L-shaped concrete outer-wrapping reinforced structure 600 is formed;
5. and (3) performing riprap backfilling on the outer side of the L-shaped concrete outer-wrapping reinforcing structure 600 in the reinforcing foundation pit 300 to form a riprap backfilling structure 800.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (6)

1. An improved dike foot reinforcing structure for a seawall comprises an original dike foot and a slope protection structure constructed on the slope surface at the rear side of the original dike foot; it is characterized by also comprising:
a reinforced foundation pit formed by excavating the outer base surface of the undisturbed dike foot;
the geotextile is laid on the bottom surface of the reinforced foundation pit;
a gravel cushion layer which is laid in the reinforced foundation pit and is positioned above the geotextile;
an L-shaped concrete externally-wrapped reinforcing structure which is poured in the reinforcing foundation pit and covers the top surface of the undisturbed dike foot;
a plurality of reinforcing planting bars which are implanted on the outer side surface and the top surface of the undisturbed dike foot at intervals and are respectively connected with the L-shaped concrete external wrapping reinforcing structure; and
and the riprap backfill structure is filled in the reinforced foundation pit and is positioned on the outer side of the L-shaped concrete outer-wrapping reinforced structure.
2. An improved seawall embankment foot reinforcement structure according to claim 1, wherein said geotextile is 200g/m2~300g/m2And (4) geotextile.
3. An improved seawall foot-dyke reinforcing structure as claimed in claim 1, wherein said gravel pack has a thickness of 150mm to 250 mm.
4. The improved seawall embankment foot reinforcement structure according to claim 1, wherein the plurality of reinforcement planting bars are arranged in a quincunx shape, and the distance between two adjacent reinforcement planting bars is 0.5 m-1.5 m.
5. An improved seawall embankment foot reinforcement structure according to claim 1, wherein said L-shaped concrete encased reinforcement structure is C25 plain concrete.
6. An improved seawall embankment foot reinforcing structure according to claim 1, wherein the bottom layer of said riprap backfilling structure is graded stone material, and its surface layer is 80 kg-150 kg of large stone.
CN201921688121.4U 2019-10-10 2019-10-10 Improved generation seawall dyke foot reinforced structure Active CN211228358U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921688121.4U CN211228358U (en) 2019-10-10 2019-10-10 Improved generation seawall dyke foot reinforced structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921688121.4U CN211228358U (en) 2019-10-10 2019-10-10 Improved generation seawall dyke foot reinforced structure

Publications (1)

Publication Number Publication Date
CN211228358U true CN211228358U (en) 2020-08-11

Family

ID=71942061

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921688121.4U Active CN211228358U (en) 2019-10-10 2019-10-10 Improved generation seawall dyke foot reinforced structure

Country Status (1)

Country Link
CN (1) CN211228358U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113638360A (en) * 2021-08-23 2021-11-12 上海市政工程设计研究总院(集团)有限公司 Seawall stone-stacked protective surface structure

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113638360A (en) * 2021-08-23 2021-11-12 上海市政工程设计研究总院(集团)有限公司 Seawall stone-stacked protective surface structure

Similar Documents

Publication Publication Date Title
Chu et al. Innovative methods for dike construction–An overview
CN105178245A (en) Large filling bag ecological embankment and revetment building method for river lake channel
CN104131530B (en) Levee revetment structure under rapid and soft foundation severe environment
CN111622179A (en) Fence plate slope protection structure for ecological reconstruction of sea wall and construction method thereof
CN111472326A (en) Method and structure for building gravity dam on deep covering layer
CN106400744A (en) Comprehensive side-slope treatment structure for preventing river channel erosion and construction method thereof
CN209816885U (en) Novel cofferdam structure under soft covering layer
CN111270698A (en) Protective structure for exposed diseases of bridge pile foundation in sand-mining river channel in mountainous area and construction method of protective structure
CN110552324A (en) Side slope protection structure capable of underwater construction and construction method thereof
CN211228358U (en) Improved generation seawall dyke foot reinforced structure
CN2706510Y (en) Solidified soil bag dyke core structure for coffer dyke and dam and bank revetment
CN112854144A (en) Construction structure of earth-rock dam on deep sludge layer and construction method thereof
CN113006108A (en) Construction method of film bag sand cofferdam
CN209854656U (en) Dyke
CN210459099U (en) Seawall structure on soft soil foundation
CN211498714U (en) Multistage scour protection dyke pond
CN212248086U (en) Seawall ecological transformation's back cover nut block slope protection structure
CN212316981U (en) Water intake pipeline structure penetrating through soft foundation dike below flood level
CN212223936U (en) A protective structure that is used for mountain area to adopt sand river course inner bridge pile foundation to expose disease
CN211113446U (en) Side slope protection structure capable of being constructed underwater
CN103821106B (en) Small-sized fishing port and channel revetment structure
CN111622177A (en) Bottom sealing nut block slope protection structure for sea wall ecological reconstruction and construction method thereof
CN101608457B (en) Method for processing wharf foundation by geotextile granular material pile
CN218204449U (en) Structure for river-crossing pipe burying engineering
CN204000752U (en) Levee revetment structure under the soft base adverse circumstances of a kind of torrent

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant