CN108999142A - The construction method of dome rectangular light-duty caisson and pile foundation combined type deep water breakwater - Google Patents
The construction method of dome rectangular light-duty caisson and pile foundation combined type deep water breakwater Download PDFInfo
- Publication number
- CN108999142A CN108999142A CN201810944787.5A CN201810944787A CN108999142A CN 108999142 A CN108999142 A CN 108999142A CN 201810944787 A CN201810944787 A CN 201810944787A CN 108999142 A CN108999142 A CN 108999142A
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- caisson
- pile foundation
- dome
- breakwater
- rectangular
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 28
- 238000010276 construction Methods 0.000 title claims abstract description 13
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 7
- 238000009434 installation Methods 0.000 claims abstract description 7
- 239000010959 steel Substances 0.000 claims abstract description 7
- 238000009415 formwork Methods 0.000 claims abstract description 6
- 239000004568 cement Substances 0.000 claims abstract description 4
- 238000010079 rubber tapping Methods 0.000 claims abstract description 4
- 239000002002 slurry Substances 0.000 claims abstract description 4
- 238000011144 upstream manufacturing Methods 0.000 claims description 2
- 239000002689 soil Substances 0.000 abstract description 8
- 239000004576 sand Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000012216 screening Methods 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
Classifications
-
- 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
- E02D27/00—Foundations as substructures
- E02D27/32—Foundations for special purposes
- E02D27/40—Foundations for dams across valleys or for dam constructions
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Environmental & Geological Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Mechanical Engineering (AREA)
- Revetment (AREA)
Abstract
The present invention relates to a kind of construction method of dome rectangular light-duty caisson and pile foundation combined type deep water breakwater, such breakwater includes caisson and pile foundation, and the caisson is the rectangular caisson of dome made of being poured based on combined steel formwork.Construction method includes: to utilize combined steel formwork, the rectangular caisson of dome is poured by the sequence layering substep of bottom plate, vertical plate and floor, two straight wall sections, dome portion, wherein in integral prefabricated vertical plate and floor, vertical plate and floor intersection service sleeve, to form the mounting hole of pile foundation, and prefabricated pile foundation；It is filled the water in caisson in job location through the tapping of caisson dome portion, caisson sinking is sat into bottom in designated position；Pile foundation is squeezed into designated depth；Cement slurry is injected between pile foundation and the gap of pile foundation installation hole wall.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
A kind of semicircle breakwater (such as: semicircle breakwater, 206736844 U of Publication No. CN) is that a kind of adaptation is soft
The novel light type breakwater structure of soil base, it is semicircle wave screening structure that feature, which essentially consists in its top surface, compared to
Stalk wave screening structure, the wave force acted on semicircle breakwater is smaller, and stability against sliding is good；It acts on semicircle dike simultaneously
Wave pressure pass through the center of circle, foundation stress distribution uniform, but its arc radius is usually 4-10m, semicircle breakwater
The adaptable depth of water range of structure institute is smaller；Rectangular caisson breakwater is (such as: a kind of Acting on Perforated Caisson vertical breakwater, publication number
It is vertical breakwater for 106592516 A of CN), can be used for deep water conditions, sand material can be backfilled in caisson, supported by self weight
Anti- wave force, since the wave force on stalk face is big, the self weight of structure is also larger, and rectangular caisson breakwater is often unsuitable for weak soil
Ground；When building, wall is both placed on rubble-mound foundation existing semicircle or rectangular caisson breakwater, because to build jackstone
Bedding need to exploit a large amount of building stones, and exploitation of stone can destroy ecological environment, while the setting of rubble-mound foundation not only increases cost,
To foundation bearing capacity added burden is caused simultaneously, be easy to make breakwater that settlement failure occur, in addition either semi-circular caisson
Or the stability against sliding of rectangular caisson is provided by the frictional force between caisson bottom and rubble-mound foundation top, and water is worked as
It when the wave is high deeply, in order to maintain the stability against sliding of breakwater, needs to fill more sand materials in caisson, leads to oneself of structure
Increase again, so that the bearing capacity of ground is threatened, so the increase of the factor of safety against sliding of traditional caisson breakwater but reduces
The safety coefficient of its vertical bearing capacity, so that application of this structure in deep water breakwater is limited, and because there is riprap work,
Construction time increases.
Summary of the invention
The purpose of the present invention is to propose to a kind of caissons and pile foundation combined type deep water breakwater, are applicable to soft soil foundation and depth
Water bar part and have that convenient, no setting is required rubble-mound foundation of constructing, Potential Working Time For Operation At Sea is short, project cost is low, environmental-friendly and can
The advantages of reuse.Technical solution is as follows:
A kind of construction method of dome rectangular light-duty caisson and pile foundation combined type deep water breakwater, such breakwater include heavy
Case and pile foundation, which is characterized in that the caisson is the rectangular caisson of dome made of being poured based on combined steel formwork, including bottom plate
With the low straight wall sections being parallel to each other and high straight wall sections and dome portion being erected on bottom plate, the dome portion
The top of high straight wall sections, low straight wall sections and dome portion are stretched over along smooth surface from the top of low straight wall sections
As the upstream face of breakwater, be provided in the space that two straight wall sections, dome portion and bottom plate surround floor and
For supporting the vertical plate of dome portion；The casing for forming pile foundation mounting hole, stake are embedded in vertical plate and floor intersection
Base mounting hole squeezes into ground with for foundation pile vertically；In dome portion, aperture is set.Construction method includes the following steps:
(1) combined steel formwork is utilized, is layered by the sequence of bottom plate, vertical plate and floor, two straight wall sections, dome portion
Substep pours the rectangular caisson of dome, wherein in integral prefabricated vertical plate and floor, vertical plate and floor intersection service sleeve, with
Form the mounting hole of pile foundation, and prefabricated pile foundation；
(2) the prefabricated rectangular caisson of dome integrally is gone out to transport, transportation by driving to job location positions；
(3) it is filled the water in caisson in job location through the tapping of caisson dome portion, caisson sinking is sat into bottom in specified
Position；There is the rectangular caisson of dome of filling ballast requirement for design, filling in case should be carried out after component installation in time, filled
It is blocked after；
(4) pile foundation is placed in pile foundation mounting hole, then pile foundation is squeezed into designated depth；In the seam of pile foundation and pile foundation installation hole wall
Cement slurry is injected between gap, and pile foundation and the rectangular caisson of dome is made to be linked to be entirety.
The section of the smooth surface is in one section of arc-shaped.
The rectangular caisson of dome can keep off wave, baffle, and the dome portion of caisson is located near the water surface, in this general altitude range
Wave force is maximum, and the semicircular in shape of dome portion can reduce the wave force acted on caisset, and makes foundation stress point
Cloth is more uniform than stalk wave screening structure；Since wave pressure is small near the bottom, so lower part uses rectangular caisson, in this way in breakwater knot
Total wave force for being acted on structure increase it is few in the case where, the setting of the rectangular caisson in lower part but can effectively increase entire breakwater knot
The height of structure, makes it be applicable to deep water conditions；According to the demand of stability, part sand material can not be filled out or filled out in caisson；Rib
Plate and vertical plate can reinforcement structure globality and rigidity, while its intersection prefabricated can form vertical stake by service sleeve
Base mounting hole；The effect of pile foundation mounting hole is to squeeze into ground vertically for pile foundation；The effect of pile foundation is the antiskid of enhancing structure, resists and incline
It covers and vertical bearing stability.
Detailed description of the invention
Fig. 1 (a) and (b) be respectively dome rectangular light-duty caisson and pile foundation combined type breakwater sectional view and outside drawing.
The rectangular light-duty caisson of Fig. 2 dome and pile foundation combined type deep water breakwater structure figure.
Specific embodiment
Semicircle breakwater can reduce wave force, and the foundation stress below breakwater structure is made to be more evenly distributed, rectangular
Caisson breakwater is applicable to deepwater regions, avoids to mention using rubble-mound foundation escapable cost, duration and protection environment, pile foundation
For vertical force and horizontal force.In conjunction with the advantage of semicircle, rectangular caisson and pile foundation respectively, the present invention proposes that a kind of dome is rectangular light
Type caisson and pile foundation combined type deep water breakwater, this Novel breakwater structure be applicable to soft soil foundation and deep water conditions and
With convenient, no setting is required rubble-mound foundation of constructing, Potential Working Time For Operation At Sea is short, project cost is low, environmental-friendly and reusable
The advantages of.Fig. 1 and Fig. 2 is respectively the rectangular light-duty caisson of dome and pile foundation combined type deep water breakwater outside drawing and structure chart, figure
In, 1 is the rectangular caisson dome portion of dome, and 2 be floor, and 3 be vertical plate, and 4 be the rectangular caisson straight wall sections of dome, and 5 be bottom plate,
6 be pile foundation, wherein the dome portion of caisson can appropriate aperture, as the back-up sand hole of the rectangular caisson of dome, while rectangular in dome
It when caisson sinking, can be filled the water by aperture, convenient for its sinking and sit bottom.
The rectangular light-duty caisson of dome and the main working procedure of pile foundation combined type deep water breakwater are as follows: first with combining
Steel form presses the sequence point of bottom plate 5, vertical plate 3 and the rectangular caisson straight wall sections 4 of floor 2, dome, dome portion 1 in precasting yard
Layer substep pours the rectangular caisson of dome, wherein vertical plate 3 and 2 intersection of floor are pre-buried in integral prefabricated vertical plate 3 and floor 2
Casing, to form the mounting hole of pile foundation 6, and prefabricated pile foundation 6, pile foundation 6 preferentially selects prestress high intensity concrete stake (PHC)；
That then uses for reference caisson goes out fortune and setting method, the prefabricated rectangular caisson of dome integrally is gone out to transport, transportation by driving is fixed to job location
Position；Then it is filled the water in caisson in job location through the tapping of caisson dome portion, caisson sinking is sat into bottom in designated position；
Have the rectangular caisson of dome of filling ballast requirement for design, should carry out filling in case after component installation in time, filling should it is symmetrical,
Uniformly, pack hole should be blocked immediately after the completion of filling, and it is ensured that blocked tight, secured；Pile foundation 6 is finally placed in stake
Base mounting hole, then pile foundation 6 is squeezed into designated depth using equipment such as pile driving barges；Between pile foundation 6 and the gap of pile foundation installation hole wall
Cement slurry is injected, pile foundation and the rectangular caisson of dome is made to be linked to be entirety.
Breakwater engineering is gradually to deep-water developments at present；In addition, all there is soft for the seashore of many offshore areas and seabed
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 edge
All widely distributed the soft soil foundation in Haiti area.The rectangular light-duty caisson of dome can fit well with pile foundation combined type deep water breakwater
It answers deep water, severe wave and Soft Soil, without excavating ground or carrying out foundation stabilization when construction, ground need to only be carried out
Simple leveling, structure is relatively easy, construction is convenient, project cost is cheap, the offshore construction time is shorter, it combines semicircle
The Common advantages of shape, rectangular caisson and pile foundation are a kind of excellent new type of deep-water breakwater structures, have in silt coast wide
General application prospect.
Claims (2)
1. a kind of construction method of dome rectangular light-duty caisson and pile foundation combined type deep water breakwater, such breakwater includes caisson
And pile foundation, which is characterized in that the caisson be poured based on combined steel formwork made of the rectangular caisson of dome, including bottom plate and
The low straight wall sections being parallel to each other and high straight wall sections and dome portion being erected on bottom plate, the dome portion from
The top of low straight wall sections is stretched over the top of high straight wall sections along smooth surface, and low straight wall sections and circular top part are allocated as
For the upstream face of breakwater, floor and use are provided in the space that two straight wall sections, dome portion and bottom plate surround
To support the vertical plate of dome portion；The casing for forming pile foundation mounting hole, pile foundation are embedded in vertical plate and floor intersection
Mounting hole squeezes into ground with for pile foundation vertically；In dome portion, aperture is set.Construction method includes the following steps:
(1) combined steel formwork is utilized, is layered substep by the sequence of bottom plate, vertical plate and floor, two straight wall sections, dome portion
The rectangular caisson of dome is poured, wherein in integral prefabricated vertical plate and floor, vertical plate and floor intersection service sleeve, to be formed
The mounting hole of pile foundation, and prefabricated pile foundation；
(2) the prefabricated rectangular caisson of dome integrally is gone out to transport, transportation by driving to job location positions；
(3) it is filled the water in caisson in job location through the tapping of caisson dome portion, caisson sinking is sat into bottom in designated position；
There is the rectangular caisson of dome of filling ballast requirement for design, filling in case should be carried out after component installation in time, after the completion of filling
It is blocked；
(4) pile foundation is placed in pile foundation mounting hole, then pile foundation is squeezed into designated depth；Between pile foundation and the gap of pile foundation installation hole wall
Cement slurry is injected, pile foundation and the rectangular caisson of dome is made to be linked to be entirety.
2. the construction method of breakwater according to claim 1, which is characterized in that the section of the smooth surface is in one
Section arc-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810944787.5A CN108999142A (en) | 2018-08-19 | 2018-08-19 | The construction method of dome rectangular light-duty caisson and pile foundation combined type deep water breakwater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810944787.5A CN108999142A (en) | 2018-08-19 | 2018-08-19 | The construction method of dome rectangular light-duty caisson and pile foundation combined type deep water breakwater |
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| Publication Number | Publication Date |
|---|---|
| CN108999142A true CN108999142A (en) | 2018-12-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810944787.5A Pending CN108999142A (en) | 2018-08-19 | 2018-08-19 | The construction method of dome rectangular light-duty caisson and pile foundation combined type deep water breakwater |
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| Country | Link |
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| CN (1) | CN108999142A (en) |
Cited By (4)
| 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 |
| CN113186889A (en) * | 2021-02-02 | 2021-07-30 | 中国海洋大学 | Combined pile plate structure for reinforcing and protecting artificial island reef and construction method thereof |
| CN114182681A (en) * | 2021-11-26 | 2022-03-15 | 中交第四航务工程局有限公司 | Sheet pile gravity combined breakwater 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 |
|---|---|---|---|---|
| FR2758147A1 (en) * | 1997-01-03 | 1998-07-10 | Bouygues Offshore | Semi=submerged caisson=type breakwater |
| CN1970888A (en) * | 2005-11-23 | 2007-05-30 | 天津得鑫电机有限公司 | Semicircular breakwater |
| CN101314942A (en) * | 2008-07-18 | 2008-12-03 | 天津大学 | Wave breaker of inverse T shaped pipe wall pile |
| CN101713181A (en) * | 2009-11-26 | 2010-05-26 | 中交第一航务工程勘察设计院有限公司 | Novel caisson composite levee of curve breast wall |
| CN203080470U (en) * | 2013-02-21 | 2013-07-24 | 重庆交通大学 | Pile-bearing platform-barricade combined supporting and retaining structure |
-
2018
- 2018-08-19 CN CN201810944787.5A patent/CN108999142A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2758147A1 (en) * | 1997-01-03 | 1998-07-10 | Bouygues Offshore | Semi=submerged caisson=type breakwater |
| CN1970888A (en) * | 2005-11-23 | 2007-05-30 | 天津得鑫电机有限公司 | Semicircular breakwater |
| CN101314942A (en) * | 2008-07-18 | 2008-12-03 | 天津大学 | Wave breaker of inverse T shaped pipe wall pile |
| CN101713181A (en) * | 2009-11-26 | 2010-05-26 | 中交第一航务工程勘察设计院有限公司 | Novel caisson composite levee of curve breast wall |
| CN203080470U (en) * | 2013-02-21 | 2013-07-24 | 重庆交通大学 | Pile-bearing platform-barricade combined supporting and retaining structure |
Cited By (4)
| 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 |
| CN113186889A (en) * | 2021-02-02 | 2021-07-30 | 中国海洋大学 | Combined pile plate structure for reinforcing and protecting artificial island reef and construction method thereof |
| CN114182681A (en) * | 2021-11-26 | 2022-03-15 | 中交第四航务工程局有限公司 | Sheet pile gravity combined breakwater 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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Application publication date: 20181214 |
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