CN108867547A - The construction method of semi-circular caisson and pile foundation combined type breakwater - Google Patents
The construction method of semi-circular caisson and pile foundation combined type breakwater Download PDFInfo
- Publication number
- CN108867547A CN108867547A CN201810959706.9A CN201810959706A CN108867547A CN 108867547 A CN108867547 A CN 108867547A CN 201810959706 A CN201810959706 A CN 201810959706A CN 108867547 A CN108867547 A CN 108867547A
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- China
- Prior art keywords
- pile foundation
- semi
- caisson
- circular
- floor
- 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.)
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Links
- 238000010276 construction Methods 0.000 title claims abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 13
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 7
- 238000009415 formwork Methods 0.000 claims abstract description 7
- 239000010959 steel Substances 0.000 claims abstract description 7
- 238000010079 rubber tapping Methods 0.000 claims abstract description 6
- 238000009434 installation Methods 0.000 claims description 5
- 239000004568 cement Substances 0.000 claims description 3
- 239000002002 slurry Substances 0.000 claims description 3
- 239000002689 soil Substances 0.000 abstract description 8
- 238000000034 method Methods 0.000 description 4
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
- E02B3/04—Structures or apparatus for, or methods of, protecting banks, coasts, or harbours
- E02B3/06—Moles; Piers; Quays; Quay walls; Groynes; Breakwaters ; Wave dissipating walls; Quay equipment
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D23/00—Caissons; Construction or placing of caissons
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D23/00—Caissons; Construction or placing of caissons
- E02D23/08—Lowering or sinking caissons
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/10—Deep foundations
- E02D27/12—Pile foundations
-
- 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
Abstract
The present invention relates to the construction method of a kind of semi-circular caisson and pile foundation combined type breakwater, this breakwater includes caisson and pile foundation, and caisson is semi-circular caisson made of being poured based on combined steel formwork.Construction method includes：Using combined steel formwork, semi-circular caisson is poured by bottom plate, vertical plate and floor, semicircular arch ring, sequence layering substep in precasting yard, wherein in integral prefabricated vertical plate and floor, vertical plate and floor intersection service sleeve, to form the mounting hole of pile foundation；It is filled the water in caisson in job location through the tapping of semicircular arch ring, semi-circular caisson is sat into bottom in designated position；Pile foundation is squeezed into designated depth；Pile foundation and semi-circular caisson is set to be linked to be entirety.It is short and reusable that the present invention is suitable for soft soil foundation and deep water conditions and having the advantages that rubble-mound foundation of constructing that convenient, no setting is required, Potential Working Time For Operation At Sea.
Description
Technical field
The present invention relates to a kind of caissons and pile foundation combined type breakwater.
Background technique
Semicircle breakwater is (such as：A kind of semicircle breakwater, publication number CN206736844U) it is a kind of adaptation weak soil
The Novel breakwater structure of base, is usually made of prefabricated semi-circular member or semi-circular caisson and rubble-mound foundation.With it is traditional straight
Vertical breakwater, sloping breakwater are compared, semicircle breakwater have from heavy and light, easy construction, it is reusable, beautiful,
The advantages that foundation stress is evenly distributed, suffered wave force is small and antiskid and stability against overturning are good.
When building, semi-circular caisson need to be placed on rubble-mound foundation existing semicircle breakwater.On soft soil foundation
When construction, needs first to excavate ground or reinforcing soft foundation, then semi-circular caisson is placed on rubble-mound foundation.Have four among these
A main problem, first is that the building stones needed are more since it is desired that building rubble-mound foundation, exploitation of stone can destroy ecological environment；Second is that throwing
The setting of ground mass bed not only increases cost, while causing added burden to foundation bearing capacity, is easy that breakwater is made to occur to sink
It falls into and destroys；Third is that the stability against sliding of existing semicircle breakwater is by between semi-circular caisson bottom and rubble-mound foundation top
Frictional force, when the wave is high for the depth of water, in order to maintain the stability against sliding of breakwater, needs to fill in semi-circular caisson come what is provided
More sand material, increase cost and duration, while the increase of dead load, can threaten foundation bearing capacity, factor of safety against sliding
Increase but reduce the vertical bearing capacity of this structure, to limit application of this structure in deep water breakwater；Four
It is to increase the construction time because there is riprap work.
Summary of the invention
The purpose of the present invention is overcoming the above-mentioned deficiency of the prior art, provide a kind of suitable for soft soil foundation and deep water item
Part, simple and reasonable, construction is convenient, project cost is low, environmental-friendly and reusable new type of deep-water breakwater applies
Work method.Breakwater of the invention is a kind of semi-circular caisson and pile foundation novel combined type breakwater, can be to avoid using jackstone
Bedding, the setting of pile foundation not only increases this new structural stability against sliding, while increasing its vertical bearing capacity.Skill
Art scheme is as follows：
A kind of construction method of semi-circular caisson and pile foundation combined type breakwater, this breakwater include caisson and pile foundation, institute
The caisson stated is semi-circular caisson made of being poured based on combined steel formwork, the semi-circular arch including bottom plate and on bottom plate
Circle, is provided with floor and the vertical plate for supporting semicircular arch ring between semicircular arch ring and bottom plate；In vertical plate and floor
Intersection is embedded with the casing for forming pile foundation mounting hole, and pile foundation mounting hole squeezes into ground with for foundation pile vertically；Semicircle
Aperture is set on shape arch ring.The construction method of above-mentioned breakwater, includes the following steps：
(1) combined steel formwork is utilized, presses the sequence layering substep of bottom plate, vertical plate and floor, semicircular arch ring in precasting yard
Semi-circular caisson is poured, wherein in integral prefabricated vertical plate and floor, vertical plate and floor intersection service sleeve, to form stake
The mounting hole of base, and prefabricated pile foundation；
(2) assembled good semi-circular caisson integrally is gone out to transport, transportation by driving to job location；
(3) it is filled the water in caisson in job location through the tapping of semicircular arch ring, semi-circular caisson is sat into bottom in specified
Position；There is the semi-circular caisson of filling ballast requirement for design, filling in case is carried out after component installation, should be stood after the completion of filling
Tapping is blocked；
(4) pile foundation is placed in pile foundation mounting hole, pile foundation is squeezed into designated depth using equipment such as pile driving barges；In pile foundation and stake
Cement slurry is injected between the gap of base installation hole wall, pile foundation and semi-circular caisson is made to be linked to be entirety.
In the present invention, semi-circular caisson can keep off wave, baffle, earth-retaining, and semicircular in shape can reduce wave force, and answer ground
Power distribution uniform；Its base areas is larger, can expand the contact area with ground, reduces foundation stress；Floor and vertical plate can
The globality and rigidity of reinforcement structure, while its intersection prefabricated can form vertical pile foundation mounting hole by service sleeve；
The effect of pile foundation mounting hole is to squeeze into ground vertically for foundation pile；The effect of pile foundation be enhance ground bearing capacity and structure antiskid with
Stability against overturning.
Detailed description of the invention
(a) and (b) of Fig. 1 is respectively the sectional view and outside drawing of single group semi-circular caisson and pile foundation combined type breakwater
Fig. 2 single group semi-circular caisson and pile foundation combined type breakwater three-view diagram
Specific embodiment
Fig. 1 is single group semi-circular caisson and pile foundation combined type breakwater outside drawing；Fig. 2 is single group semi-circular caisson and pile foundation
Combined type breakwater structure figure.In Fig. 2,1 is vertical plate, and 2 be semicircular arch ring, and 3 be floor, and 4 be bottom plate, and 5 be pile foundation, wherein half
On round arch ring can appropriate aperture, as the back-up sand hole of semi-circular caisson, at the same semi-circular caisson sink when, aperture can be passed through
Water filling sits bottom convenient for semi-circular caisson.
The main working procedure of semi-circular caisson and pile foundation combined type breakwater is as follows：First with combined steel formwork,
Precasting yard pours semi-circular caisson by the sequence layering substep of bottom plate 4, vertical plate 1 and floor 3, semicircular arch ring 2, wherein in entirety
When prefabricated vertical plate 1 and floor 3,3 intersection service sleeve of vertical plate 1 and floor, to form the mounting hole of pile foundation 5, and prefabricated pile
Base 5, pile foundation 5 preferentially select prestress high intensity concrete stake (PHC)；That then uses for reference caisson goes out fortune and setting method, will spell
The semi-circular caisson installed integrally goes out to transport, transportation by driving to job location；Then past through the tapping of semicircular arch ring in job location
Semi-circular caisson is sat bottom in designated position by water filling in caisson；There are the semi-circular caisson of filling ballast requirement, component for design
Filling in case should be carried out after installation in time, filling should symmetrically, uniformly should immediately block pack hole after the completion of filling, and
It is ensured that blocking tight, secured；Pile foundation 5 is finally placed in pile foundation mounting hole, is squeezed into pile foundation 5 using equipment such as pile driving barges specified
Depth；Cement slurry is injected between pile foundation 5 and the gap of pile foundation installation hole wall, pile foundation and semi-circular caisson is made to be linked to be entirety.
Breakwater engineering is gradually to deep-water developments at present；In addition, the seashore of many offshore areas and seabed all there is
Soft Soil Layer, several meters to tens meters of thickness are differed, such as the active Bohai Sea Gulf of China's economic development, entrance of Changjiang River, the mouth of the Zhujiang River and Zhejiang, Fujian
All widely distributed the soft soil foundation in coastal area.Semi-circular caisson and pile foundation combined type breakwater can be perfectly suitable for badly
Wave and Soft Soil build breakwater using the new structure without excavating ground or carrying out ground on soft foundation
Reinforce, only ground need to simply be flattened, can be applicable in soft soil foundation and deep water conditions, structure it is simple, it is easy for construction,
Project cost is low, is a kind of excellent new type of deep-water structure, is with a wide range of applications in silt coast.
Claims (1)
1. the construction method of a kind of semi-circular caisson and pile foundation combined type breakwater, this breakwater includes caisson and pile foundation, described
Caisson be poured based on combined steel formwork made of semi-circular caisson, the semicircular arch ring including bottom plate and on bottom plate,
Floor and the vertical plate for supporting semicircular arch ring are provided between semicircular arch ring and bottom plate；Intersect in vertical plate and floor
Part is embedded with the casing for forming pile foundation mounting hole, and pile foundation mounting hole squeezes into ground with for foundation pile vertically；Semi-circular arch
Aperture is set on circle.The construction method of above-mentioned breakwater, includes the following steps：
(1) combined steel formwork is utilized, is poured in precasting yard by the sequence layering substep of bottom plate, vertical plate and floor, semicircular arch ring
Semi-circular caisson, wherein in integral prefabricated vertical plate and floor, vertical plate and floor intersection service sleeve, to form pile foundation
Mounting hole, and prefabricated pile foundation；
(2) assembled good semi-circular caisson integrally is gone out to transport, transportation by driving to job location；
(3) it is filled the water in caisson in job location through the tapping of semicircular arch ring, semi-circular caisson is sat into bottom in designated position；
There is the semi-circular caisson of filling ballast requirement for design, filling in case is carried out after component installation, it should be right immediately after the completion of filling
Tapping is blocked；
(4) pile foundation is placed in pile foundation mounting hole, pile foundation is squeezed into designated depth using equipment such as pile driving barges；Pacify in pile foundation and pile foundation
Cement slurry is injected between the gap of dress hole wall, pile foundation and semi-circular caisson is made to be linked to be entirety.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810959706.9A CN108867547A (en) | 2018-08-19 | 2018-08-19 | The construction method of semi-circular caisson and pile foundation combined type breakwater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810959706.9A CN108867547A (en) | 2018-08-19 | 2018-08-19 | The construction method of semi-circular caisson and pile foundation combined type breakwater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108867547A true CN108867547A (en) | 2018-11-23 |
Family
ID=64321537
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810959706.9A Pending CN108867547A (en) | 2018-08-19 | 2018-08-19 | The construction method of semi-circular caisson and pile foundation combined type breakwater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108867547A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109487750A (en) * | 2018-12-18 | 2019-03-19 | 中交上海航道勘察设计研究院有限公司 | Pile formula semicircular wave breaker structure and construction method |
| CN109555078A (en) * | 2018-12-25 | 2019-04-02 | 广州粤科工程技术有限公司 | A kind of Gravity Type Casisson Berth and its construction method |
| CN114960732A (en) * | 2022-06-09 | 2022-08-30 | 交通运输部天津水运工程科学研究所 | Single-pile wind power foundation and semicircular breakwater combined structure |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001288725A (en) * | 2000-04-04 | 2001-10-19 | Nippon Steel Corp | Pile-type foundation structure and method for constructing the same |
| CN101294394A (en) * | 2008-05-28 | 2008-10-29 | 中交公路规划设计院有限公司 | Steel cavity stranded caisson-pile inverse-way composite base and construction method |
| CN101314942A (en) * | 2008-07-18 | 2008-12-03 | 天津大学 | Wave breaker of inverse T shaped pipe wall pile |
| CN103967031A (en) * | 2013-01-24 | 2014-08-06 | 中交公路规划设计院有限公司 | Caisson and pile combined foundation of consolidated subsoil and construction method of caisson and pile combined foundation |
| CN206736844U (en) * | 2017-04-28 | 2017-12-12 | 中交第四航务工程勘察设计院有限公司 | A kind of semicircle breakwater |
-
2018
- 2018-08-19 CN CN201810959706.9A patent/CN108867547A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001288725A (en) * | 2000-04-04 | 2001-10-19 | Nippon Steel Corp | Pile-type foundation structure and method for constructing the same |
| CN101294394A (en) * | 2008-05-28 | 2008-10-29 | 中交公路规划设计院有限公司 | Steel cavity stranded caisson-pile inverse-way composite base and construction method |
| CN101314942A (en) * | 2008-07-18 | 2008-12-03 | 天津大学 | Wave breaker of inverse T shaped pipe wall pile |
| CN103967031A (en) * | 2013-01-24 | 2014-08-06 | 中交公路规划设计院有限公司 | Caisson and pile combined foundation of consolidated subsoil and construction method of caisson and pile combined foundation |
| CN206736844U (en) * | 2017-04-28 | 2017-12-12 | 中交第四航务工程勘察设计院有限公司 | A kind of semicircle breakwater |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109487750A (en) * | 2018-12-18 | 2019-03-19 | 中交上海航道勘察设计研究院有限公司 | Pile formula semicircular wave breaker structure and construction method |
| CN109555078A (en) * | 2018-12-25 | 2019-04-02 | 广州粤科工程技术有限公司 | A kind of Gravity Type Casisson Berth and its construction method |
| CN114960732A (en) * | 2022-06-09 | 2022-08-30 | 交通运输部天津水运工程科学研究所 | Single-pile wind power foundation and semicircular breakwater combined structure |
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| PB01 | Publication | ||
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Application publication date: 20181123 |