CN104120699A - Steel sheet pile bucket foundation artificial island dado structure - Google Patents
Steel sheet pile bucket foundation artificial island dado structure Download PDFInfo
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- CN104120699A CN104120699A CN201410216444.9A CN201410216444A CN104120699A CN 104120699 A CN104120699 A CN 104120699A CN 201410216444 A CN201410216444 A CN 201410216444A CN 104120699 A CN104120699 A CN 104120699A
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Abstract
The invention discloses a steel sheet pile bucket foundation artificial island dado structure. The steel sheet pile bucket foundation artificial island dado structure comprises a plurality of bearing segments and a plurality of installation segments, wherein a closed space is defined by the bearing segments and the installation segments. The bearing segments and the installation segments are arranged alternately. Each bearing segment comprises a bearing bucket, a bearing segment installation bucket and a bearing segment steel sheet pile composite wall. Each connecting segment comprises a connecting segment installation bucket and a connecting segment steel sheet pile composite wall. According to the steel sheet pile bucket foundation artificial island dado structure, steel sheet piles and bucket foundations are combined mutually, and the advantages that the steel sheet piles are convenient to machine and manufacture and suitable for serving as a large-scale artificial island dado are brought into full play; in addition, the bucket foundations are used as stress and installation components, and the characteristics that the bucket foundations are rapid in construction, free of large-scale installation devices and suitable for serving as anti-pulling structure foundations are utilized; meanwhile, the design that the bearing segments and the installation segments are combined is adopted, so that the integral assembly type construction is achieved; the steel sheet pile bucket foundation artificial island dado structure is rapid in construction and suitable for shallow-water environments of open seas and soft foundations.
Description
Technical field
The present invention relates to offshore engineering technical field, refer to particularly a kind of steel sheet pile bucket base man-made island dado structure.
Background technology
Along with the development of marine industries, externally the demand of marine origin land technology strengthens day by day.The construction of building man-made island dado structure at off-lying sea environment is crucial, and as the native facility of gear that blocks water, dado structure is the protection engineering of the follow-up construction of man-made island.But the construction of off-lying sea environment man-made island faces that wind is large, wave is high, tidal range large, storm tide severe natural conditions frequently; And off-lying sea environment is without the current navigation channel of whole day, effective operation time is very limited; Sea bed top layer, islands and reefs region is often soft layer more than thickness 10m, and bedrock surface buried depth is generally darker, and is subject to the requirement of traffic condition restriction and environmental protection, off-lying sea environment construction material transhipment difficulty, engineering offal treatment difficulty.Comprehensive above-mentioned restraining factors are very difficult at off-lying sea environment construction man-made island dado structure.Capture fast rapid-result land, outer sea island reef area technology and just become the technical barrier that ocean engineering preferentially will solve.
Common gravity dado structure, high to foundation bearing capacity requirement, need to process ground, this not only causes physical dimension huge, and cost is high, also cannot ensure offshore construction quality and duration.And off-lying sea environmentally conscious materials transport difficulty, construction ground scarcity of resources, gravity structure has been difficult to be suitable for.
Steel sheet pile and steel pipe pile are also the dash soil-baffling structures generally adopting at present, are characterized in construction technology maturation, easily squeeze into hard soil layer, and water resistance is good; But its suitable environment condition is limited, and pile driving equipment operating cost is high, long construction period.In severe off-lying sea environment, effective operation time is very limited, and this makes construction stake basis become very difficult, is also difficult to ensure construction precision simultaneously, and excessive pile foundation perpendicularity deviation will directly affect construction progress.And not only long construction period of drilled pile, reluctant mud also may pollute marine environment.
Large cylinder and cellular steel sheet pile are also usually used at present as the large-scale water soil-baffling structure that encloses, and it has good compliance to the thick soft base of deep water.But its work progress needs large ocean equipment, and due to off-lying sea environmental resource scarcity, transport of materials difficulty, large cylinder and cellular steel sheet pile structure construction speed are slow, are difficult to form fast stable.In addition, in shallow sea water, it does not possess economic advantages yet.
Summary of the invention
Object of the present invention is exactly the deficiency that will solve above-mentioned background technology, and the steel sheet pile bucket base man-made island dado structure of a kind of quick construction, adaptation off-lying sea shallow-water environment and soft foundation is provided.
Technical scheme of the present invention is: a kind of steel sheet pile bucket base man-made island dado structure, it comprises the multiple carrying sections and the installation sections that surround an enclosure space, it is characterized in that: described carrying sections be connected the alternate layout of sections, described carrying sections comprises carrying bucket, carrying sections is installed bucket and carrying sections steel sheet pile combination wall, the bottom of described carrying sections steel sheet pile combination wall is provided with and carries sections the gap that bucket matches is installed, described gap is welded on carrying sections and installs on bucket, the carrying sections steel sheet pile combination wall bottom that is arranged in gap both sides extend into ground, described carrying sections is installed bucket top and is provided with and carries sections the first pumping conduit that barrel cavity is communicated with is installed, described carrying bucket is positioned at carrying sections steel sheet pile combination wall inner side, described carrying bucket top is provided with and the second pumping conduit that carries barrel cavity and be communicated with, between described carrying bucket and carrying sections steel sheet pile combination wall, be connected by supporting rod, described connection sections comprises that connecting sections installs bucket, connects sections steel sheet pile combination wall, the bottom of described connection sections steel sheet pile combination wall is provided with and is connected sections the gap that bucket matches is installed, described gap is connected to and connects on sections installation bucket, the connection sections steel sheet pile that is arranged in gap both sides combines wall bottom and extend into ground, and described connection sections is installed bucket top and is provided with and the 3rd pumping conduit that is connected the connection of sections installation barrel cavity, adjacent carrying sections steel sheet pile combination wall be connected sections steel sheet pile and combine wall and be fixedly connected with.
Described carrying bucket is identical with the height of the staving of carrying sections installation bucket, end absolute altitude is identical, and the diameter of carrying bucket is greater than the diameter of carrying sections installation bucket.
Described carrying bucket and carrying sections are installed bucket along carrying sections steel sheet pile combination wall planar process to layout.
Described first pumping conduit one end is communicated with carrying sections installation barrel cavity by a carrying sections installation bucket bucket top preformed hole, described the first pumping conduit combines wall surface along carrying sections steel sheet pile and vertically arranges, the described first pumping conduit other end extends to carrying sections steel sheet pile combination wall top.
Described second pumping conduit one end is communicated with carrying barrel cavity by carrying bucket bucket top preformed hole, the described second pumping conduit other end is arranged on carrying sections steel sheet pile combination wall, and vertically extend to the top of carrying sections steel sheet pile combination wall the end of the second pumping conduit.
Described supporting rod is provided with multiple, one end of described each supporting rod is fixed on carrying bucket, the other end of described supporting rod is fixed on carrying sections steel sheet pile combination wall, and the end that is positioned at the supporting rod on carrying sections steel sheet pile combination wall has difference in height.
Described supporting rod, carrying bucket top form three-legged structure with carrying sections steel sheet pile combination wall.
Described the 3rd pumping conduit one end is communicated with connection sections installation barrel cavity by a connection sections installation bucket bucket top preformed hole, described the second pumping conduit combines wall surface along connection sections steel sheet pile and vertically arranges, the described second pumping conduit other end extends to connecting sections steel sheet pile combination wall top.
Described carrying sections steel sheet pile combination wall is provided with the two ends that are connected sections steel sheet pile combination wall the fore shaft cooperatively interacting.
The present invention combines steel sheet pile and barrel base mutually, give full play to steel sheet pile processing and fabricating convenient, the suitable advantage as large-sized artificial island retaining wall, simultaneously, using barrel base as stressed and installation component, and take full advantage of barrel base quick construction, without large-scale erection equipment, the suitable feature as resistance to plucking architecture basics, and adopt the modular design of carrying sections and installation sections to realize overall fabricated construction, be a kind of quick construction, the man-made island dado structure that adapts to off-lying sea shallow-water environment and soft foundation.
Brief description of the drawings
Fig. 1 is the layout schematic diagram after integral construction of the present invention completes;
Fig. 2 carries sections schematic diagram in the present invention;
Fig. 3 is A-A generalized section in Fig. 2;
Fig. 4 is B-B generalized section in Fig. 2;
Fig. 5 is that the present invention connects sections schematic diagram;
Fig. 6 is the schematic side view of Fig. 5;
Fig. 7 is the scheme of installation of carrying sections;
Fig. 8 is carrying sections and the installation connection diagram that is connected sections.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
With reference to figure 1, a kind of steel sheet pile bucket base man-made island dado structure of the present embodiment, it comprises multiple carrying sections and sections is installed, and carries sections and is connected the alternate layout of sections and interconnects, and surrounds a closure construction space.
With reference to figure 2, Fig. 3 and Fig. 4, the carrying sections of the present embodiment comprises carrying bucket 1, carrying sections is installed bucket 2 and carrying sections steel sheet pile combination wall 3, carrying bucket 1 and carrying sections are installed the staving height of bucket 2, end absolute altitude is identical, carrying bucket 1 diameter is greater than the diameter 25% of carrying sections installation bucket 2, carrying bucket 1 and carrying sections are installed bucket 2 along carrying sections steel sheet pile combination wall 3 planar processes to layout, be specially: the bottom of carrying sections steel sheet pile combination wall 3 is provided with and carries sections installation bucket 2 gap that match, gap is connected to carrying sections and installs on bucket 2, carrying sections steel sheet pile combination wall 3 bottoms that are arranged in gap both sides extend into ground, carrying sections is installed bucket 2 tops and is provided with and carries sections the first pumping conduit 4 of being communicated with of bucket 2 inner chambers is installed, carrying bucket 1 is positioned at carrying sections steel sheet pile combination wall 3 inner sides, carrying bucket 1 top is provided with and the second pumping conduit 5 that carries bucket 1 inner chamber and be communicated with, between carrying bucket 1 and carrying sections steel sheet pile combination wall 3, be connected by supporting rod 6.
With reference to figure 5 and Fig. 6, the connection sections of the present embodiment comprises that connecting sections installs bucket 7, connects sections steel sheet pile combination wall 9, the bottom that connects sections steel sheet pile combination wall 9 is provided with and is connected sections installation bucket 7 gap that match, gap is connected to and connects on sections installation bucket 7, connection sections steel sheet pile combination wall 9 bottoms that are arranged in gap both sides extend into ground, and connection sections is installed bucket 7 tops and is provided with and the 3rd pumping conduit 8 that is connected the 7 inner chambers connections of sections installation bucket.
In addition, carrying sections steel sheet pile combination wall 3 and the two ends that are connected sections steel sheet pile combination wall 9 are provided with the fore shaft 10 cooperatively interacting, and adjacent carrying sections steel sheet pile combines wall 3 and is connected sections steel sheet pile and combines wall 9 and be fixedly connected with integral.
In the present embodiment:
First pumping conduit 4 one end are installed 2 barrels of top preformed holes connection carrying sections of bucket by carrying sections bucket 2 inner chambers are installed, the first pumping conduit 4 is along vertical layout the in carrying sections steel sheet pile combination wall 3 surfaces, first pumping conduit 4 other ends extend to carrying sections steel sheet pile combination wall 3 tops, the first pumping conduit 4 is sticked on steel sheet pile combination wall 3 surfaces, due to the supporting role on carrying sections steel sheet pile combination wall 3 surfaces, the layout orientation of the first pumping conduit 4 is fixed, there is reasonable structural arrangement, coherent feature is installed.
Second pumping conduit 5 one end are communicated with carrying bucket 1 inner chamber by 1 barrel of top preformed hole of carrying bucket, second pumping conduit 5 other ends are arranged on carrying sections steel sheet pile combination wall 3, vertically extend to the top of carrying sections steel sheet pile combination wall 3 end of the second pumping conduit 5, the second pumping conduit 5 is to carry when sections steel sheet pile combination wall 3 contacts and is bent upwards, and is sticked on carrying sections steel sheet pile combination wall 3 surfaces.
Supporting rod 6 can be provided with multiple, one end of each supporting rod 6 is fixed on carrying bucket 1, the other end of supporting rod 6 is fixed on carrying sections steel sheet pile combination wall 3, the end that is positioned at the supporting rod 6 on carrying sections steel sheet pile combination wall 3 has difference in height, can combine wall 3 to steel sheet pile like this and carry out the support of differing heights, to safeguard the steadiness of steel sheet pile combination wall 3, in addition, each supporting rod 6, carrying bucket 1 top and carrying sections steel sheet pile combination wall 3 all can form a stable triangular truss support system.
The 3rd pumping conduit 8 one end are installed 7 barrels of top preformed holes connections of bucket by connection sections and are connected sections installation bucket 7 inner chambers, the second pumping conduit 8 is along connecting vertical layout the in sections steel sheet pile combination wall 9 surfaces, second pumping conduit 8 other ends extend to connecting sections steel sheet pile combination wall 9 tops, and the 3rd pumping conduit 8 is also sticked and is connecting on sections steel sheet pile combination wall 9 surfaces.
Each installation bucket of the present embodiment, carrying bucket, steel sheet pile combination wall, each pumping conduit, supporting rod are steel structure, can adopt large sections prefabricated on the bank, reduce a large amount of on-site construction processes, speed of application is fast, can reach at short notice Stability Analysis of Structures, effectively utilize the limited activity duration of off-lying sea.
With reference to figure 7, Fig. 8, when construction, first hang a carrying sections, realize staving by drawing water and enter mud with corresponding steel sheet pile combination wall.In construction, can carry sections by adjustment bucket 2 the draw water speed different with carrying bucket 1 is installed, complete the condition that sinks to form, to ensure the verticality of structure sinking.
Complete after head joint carrying segmental construction, adopt identical method to carry out the carrying segmental construction of second section, then carry the middle insertion of sections at two joints and connect sections, the connection sections installation bucket 7 in same employing connection sections relies on to draw water and carries out sinking.Adjacent segment relies on the corresponding fore shaft 10 of steel sheet pile combination mural margin to complete connection.
Installation bucket of the present invention and carrying bucket adopt the construction negative pressure of drawing water to sink, quick for installation, without large-scale offshore construction equipment, and sink to sea bed form, accurate adjustment sinking verticality by bucket is installed with the speed of the drawing water capable of regulating prefabricated subsection that carrying bucket is applicable to.
The present embodiment is divided into dado structure carrying sections and is connected sections, it is convenient to install, reasonable stress, it is taking carrying sections as force structure, sections to be installed as syndeton, and so that a bucket delivery context load to be installed, by rearmounted carrying bucket provide uplift resistance and with the common Under Lateral Loading of bucket is installed, entirety excellent mechanical, is suitable as the unit bulk head water retaining such as man-made island retaining wall and cofferdam under the shallow-water environment of off-lying sea.
The present invention combines barrel base and steel sheet pile, both brought into play steel sheet pile processing and fabricating convenient, form of structure is simple, be suitable as the large-scale water that encloses and keep off native advantage, using barrel base as carrying and erecting device, utilized barrel base quick construction again, without the feature of large-scale erection equipment, complete the mud that enters of himself and steel sheet pile, and the horizontal loading that steel sheet pile is subject to transfers to carrying bucket and come up, given full play to the strong feature of barrel base resistance to plucking ability.After the inner hydraulic reclamation silt of retaining wall, on carrying bung, be subject to hydraulic reclamation thing vertical pressure, more increase its resistance to plucking ability, improve reliability of structure.
Structural safety of the present invention is reliable; construction rapid and convenient; without large-scale auxiliary installing device; can realize rapidly incipient stability; adopt the modular design of carrying sections and installation sections to realize overall fabricated construction; fully effectively utilize the marine limited activity duration, be suitable as the construction of weak soil marine site, the off-lying sea 10m depth of water with interior shallow-water environment man-made island, mole and cofferdam, enclosed in reef epeirogenetic engineering and bridge construction and all can apply at off-lying sea environment.
Claims (9)
1. a steel sheet pile bucket base man-made island dado structure, it comprises the multiple carrying sections and the installation sections that surround an enclosure space, it is characterized in that: described carrying sections be connected the alternate layout of sections, described carrying sections comprises carrying bucket (1), carrying sections is installed bucket (2) and carrying sections steel sheet pile combination wall (3), the bottom of described carrying sections steel sheet pile combination wall (3) is provided with and carries sections the gap that bucket (2) matches is installed, described gap is connected to carrying sections and installs on bucket (2), carrying sections steel sheet pile combination wall (3) bottom that is arranged in gap both sides extend into ground, described carrying sections is installed bucket (2) top and is provided with and carries sections the first pumping conduit (4) that bucket (2) inner chamber is communicated with is installed, described carrying bucket (1) is positioned at carrying sections steel sheet pile combination wall (3) inner side, described carrying bucket (1) top is provided with and the second pumping conduit (5) that carries bucket (1) inner chamber and be communicated with, between described carrying bucket (1) and carrying sections steel sheet pile combination wall (3), be connected by supporting rod (6), described connection sections comprises that connecting sections installs bucket (7), connects sections steel sheet pile combination wall (9), the bottom of described connection sections steel sheet pile combination wall (9) is provided with and is connected sections the gap that bucket (7) matches is installed, described gap is connected to and connects on sections installation bucket (7), the connection sections steel sheet pile that is arranged in gap both sides combines wall (9) bottom and extend into ground, and described connection sections installation bucket (7) top is provided with and is connected sections installs the 3rd pumping conduit (8) that barrel (7) inner chamber is communicated with, adjacent carrying sections steel sheet pile combination wall (3) be connected sections steel sheet pile and combine wall (9) and be fixedly connected with.
2. steel sheet pile bucket base man-made island dado structure according to claim 1, it is characterized in that: described carrying bucket (1) is identical with the height of the staving of carrying sections installation bucket (3), end absolute altitude is identical, the diameter of carrying bucket (1) is greater than the diameter of carrying sections installation bucket (3).
3. steel sheet pile bucket base man-made island dado structure according to claim 1 and 2, is characterized in that: described carrying bucket (1) and carrying sections are installed bucket (2) along carrying sections steel sheet pile combination wall (3) planar process to layout.
4. steel sheet pile bucket base man-made island dado structure according to claim 1, it is characterized in that: described the first pumping conduit (4) one end is communicated with carrying sections installation bucket (2) inner chamber by carrying sections installation bucket (2) bucket top preformed hole, described the first pumping conduit (4) combines wall (3) surface along carrying sections steel sheet pile and vertically arranges, described the first pumping conduit (4) other end extends to carrying sections steel sheet pile combination wall (3) top.
5. steel sheet pile bucket base man-made island dado structure according to claim 1, it is characterized in that: described the second pumping conduit (5) one end is communicated with carrying bucket (1) inner chamber by carrying bucket (1) bucket top preformed hole, it is upper that described the second pumping conduit (5) other end is arranged on carrying sections steel sheet pile combination wall (3), and vertically extend to the top of carrying sections steel sheet pile combination wall (3) end of the second pumping conduit (5).
6. steel sheet pile bucket base man-made island dado structure according to claim 1, it is characterized in that: described supporting rod (6) is provided with multiple, one end of described each supporting rod (6) is fixed on carrying bucket (1), it is upper that the other end of described supporting rod (6) is fixed on carrying sections steel sheet pile combination wall (3), and the end that is positioned at the supporting rod on carrying sections steel sheet pile combination wall (3) has difference in height.
7. steel sheet pile bucket base man-made island dado structure according to claim 6, is characterized in that: described supporting rod (6), carrying bucket (1) top form three-legged structure with carrying sections steel sheet pile combination wall (3).
8. steel sheet pile bucket base man-made island dado structure according to claim 1, it is characterized in that: described the 3rd pumping conduit (8) one end is communicated with connection sections installation bucket (7) inner chamber by connection sections installation bucket (7) bucket top preformed hole, described the 3rd pumping conduit (8) combines wall (9) surface along connection sections steel sheet pile and vertically arranges, described the 3rd pumping conduit (8) other end extends to connecting sections steel sheet pile combination wall (9) top.
9. steel sheet pile bucket base man-made island dado structure according to claim 1, is characterized in that: described carrying sections steel sheet pile combination wall (3) is provided with the two ends that are connected sections steel sheet pile combination wall (9) fore shaft (10) cooperatively interacting.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410216444.9A CN104120699B (en) | 2014-05-20 | 2014-05-20 | Steel sheet pile bucket base man-made island dado structure |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410216444.9A CN104120699B (en) | 2014-05-20 | 2014-05-20 | Steel sheet pile bucket base man-made island dado structure |
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| CN104120699A true CN104120699A (en) | 2014-10-29 |
| CN104120699B CN104120699B (en) | 2016-04-27 |
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| CN105040661A (en) * | 2015-06-24 | 2015-11-11 | 河海大学 | Steel mould and construction method for building artificial island |
| CN106836134A (en) * | 2017-02-10 | 2017-06-13 | 合肥学院 | Construction method for building artificial island in reef area by using waste tires |
| CN108978672A (en) * | 2018-07-19 | 2018-12-11 | 中交第航务工程局有限公司 | A kind of construction technology of deep water foundation trench assembled gear mud structure |
| CN110205986A (en) * | 2019-05-07 | 2019-09-06 | 上海克络蒂材料科技发展有限公司 | A kind of method on the composite material floating island sheet pile Wei Haizao |
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|---|---|
| CN104120699B (en) | 2016-04-27 |
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