CN208965494U - The rectangular light-duty caisson of dome and pile foundation combined type breakwater - Google Patents
The rectangular light-duty caisson of dome and pile foundation combined type breakwater Download PDFInfo
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- CN208965494U CN208965494U CN201821334394.4U CN201821334394U CN208965494U CN 208965494 U CN208965494 U CN 208965494U CN 201821334394 U CN201821334394 U CN 201821334394U CN 208965494 U CN208965494 U CN 208965494U
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- caisson
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Abstract
The utility model relates to a kind of rectangular light-duty caissons of dome and pile foundation combined type breakwater, including caisson and pile foundation, the caisson is the rectangular caisson of dome made of being poured based on combined steel formwork, including bottom plate and the low straight wall sections being parallel to each other and high straight wall sections and dome portion that are erected on bottom plate, dome portion is stretched over the top of high straight wall sections from the top of low straight wall sections along smooth surface, the upstream face of low straight wall sections and dome portion as breakwater, in two straight wall sections, floor and the vertical plate for supporting dome portion are provided in the space that dome portion and bottom plate surround；It is embedded with the casing for forming pile foundation mounting hole in vertical plate and floor intersection, pile foundation mounting hole squeezes into ground with for foundation pile vertically；In dome portion, aperture is set.It is short and reusable that the utility model 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 utility model relates to a kind of caissons and pile foundation combined type breakwater.
Background technique
A kind of semicircle breakwater (such as: semicircle breakwater, Publication No. CN206736844U) is a kind of adaptation weak soil
The novel light type breakwater structure of ground, feature essentially consist in its top surface for semicircle wave screening structure, compared to straight
Wall 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 passes through the center of circle, foundation stress distribution uniform, but its arc radius is usually 4-10m, semicircle breakwater knot
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 No.
CN 106592516A) it is vertical breakwater, it can be used for deep water conditions, sand material can be backfilled in caisson, resist wave by self weight
Unrestrained power, since the wave force on stalk face is big, the self weight of structure is also larger, and rectangular caisson breakwater is with being often unsuitable for weak soil
Base；When building, wall is both placed on rubble-mound foundation existing semicircle or rectangular caisson breakwater, because to build pierre perdue
Bed, need to exploit a large amount of building stones, exploitation of stone can destroy ecological environment, while the setting of rubble-mound foundation not only increases cost, together
When to foundation bearing capacity cause added burden, be easy to make breakwater that settlement failure occur, in addition either semi-circular caisson is also
The stability against sliding for being rectangular caisson is provided by the frictional force between caisson bottom and rubble-mound foundation top, and the depth of water is worked as
When the wave is high, in order to maintain the stability against sliding of breakwater, needs to fill more sand materials in caisson, lead to the self weight of structure
Increase, 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 it
The safety coefficient of vertical bearing capacity to limit application of this structure in deep water breakwater, and because there is riprap work, is applied
Increase between working hour.
Utility model content
The purpose of this utility model is to propose a kind of caisson and pile foundation combined type deep water breakwater, is applicable to soft soil foundation
With deep water conditions 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
With reusable advantage.Technical solution is as follows:
A kind of rectangular light-duty caisson of dome and pile foundation combined type breakwater, including caisson and pile foundation, which is characterized in that described
Caisson be the rectangular caisson of dome made of being poured based on combined steel formwork, including bottom plate and being erected at being parallel to each other on bottom plate
Low straight wall sections and high straight wall sections and dome portion, the dome portion is from the top of low straight wall sections along flat
Sliding curved surface is stretched over the top of high straight wall sections, the upstream face of low straight wall sections and dome portion as breakwater, two
Floor and the vertical plate for supporting dome portion are provided in the space that a straight wall sections, dome portion and bottom plate surround；
It is embedded with the casing for forming pile foundation mounting hole in vertical plate and floor intersection, pile foundation mounting hole is beaten vertically with for foundation pile
Enter ground；In dome portion, aperture is set.
Preferably, 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 is the sectional view of dome rectangular light-duty caisson and pile foundation combined type breakwater.
Fig. 2 is the outside drawing of dome rectangular light-duty caisson and pile foundation combined type breakwater.
Fig. 3 is the front view of dome rectangular light-duty caisson and pile foundation combined type deep water breakwater.
Fig. 4 is the side view of dome rectangular light-duty caisson and pile foundation combined type deep water breakwater.
Fig. 5 is the top view of dome rectangular light-duty caisson and pile foundation combined type deep water breakwater.
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 utility model proposes a kind of dome sides
The light-duty caisson of shape and pile foundation combined type deep water breakwater, this Novel breakwater structure are applicable to soft soil foundation and deep water item
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 repeatable
The advantages of use.Fig. 1-Fig. 5 is respectively the rectangular light-duty caisson of dome and pile foundation combined type deep water breakwater outside drawing and structure chart,
In figure, 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 in dome
It when rectangular 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；Finally pile foundation 6 is placed in
Pile foundation mounting hole, then pile foundation 6 is squeezed into designated depth using equipment such as pile driving barges；In the gap of pile foundation 6 and pile foundation installation hole wall
Between inject cement slurry, make pile foundation and the rectangular caisson of dome 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 rectangular light-duty caisson of dome and pile foundation combined type breakwater, including caisson and pile foundation, which is characterized in that described
Caisson is dome rectangular caisson made of being poured based on combined steel formwork, including bottom plate and is erected at being parallel to each other on bottom plate
Low straight wall sections and high straight wall sections and dome portion, the dome portion is from the top of low straight wall sections along smooth
Curved surface is stretched over the top of high straight wall sections, the upstream face of low straight wall sections and dome portion as breakwater, at two
Floor and the vertical plate for supporting dome portion are provided in the space that straight wall sections, dome portion and bottom plate surround；?
Vertical plate and floor intersection are embedded with the casing for forming pile foundation mounting hole, and pile foundation mounting hole is squeezed into vertically with for foundation pile
Ground；In dome portion, aperture is set.
2. breakwater according to claim 1, which is characterized in that the section of the smooth surface is in one section of arc-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821334394.4U CN208965494U (en) | 2018-08-19 | 2018-08-19 | The rectangular light-duty caisson of dome and pile foundation combined type breakwater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821334394.4U CN208965494U (en) | 2018-08-19 | 2018-08-19 | The rectangular light-duty caisson of dome and pile foundation combined type breakwater |
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| Publication Number | Publication Date |
|---|---|
| CN208965494U true CN208965494U (en) | 2019-06-11 |
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| CN201821334394.4U Active CN208965494U (en) | 2018-08-19 | 2018-08-19 | The rectangular light-duty caisson of dome and pile foundation combined type breakwater |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109024470A (en) * | 2018-08-19 | 2018-12-18 | 天津大学 | The rectangular light-duty caisson of dome and pile foundation combined type breakwater |
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2018
- 2018-08-19 CN CN201821334394.4U patent/CN208965494U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109024470A (en) * | 2018-08-19 | 2018-12-18 | 天津大学 | The rectangular light-duty caisson of dome and pile foundation combined type breakwater |
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