CN109518674A - A kind of method of construction of man-made island segment, assembled man-made island and assembled man-made island - Google Patents
A kind of method of construction of man-made island segment, assembled man-made island and assembled man-made island Download PDFInfo
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- CN109518674A CN109518674A CN201811642022.2A CN201811642022A CN109518674A CN 109518674 A CN109518674 A CN 109518674A CN 201811642022 A CN201811642022 A CN 201811642022A CN 109518674 A CN109518674 A CN 109518674A
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B17/00—Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/063—Tunnels submerged into, or built in, open water
- E02D29/073—Tunnels or shuttering therefor assembled from sections individually sunk onto, or laid on, the water-bed, e.g. in a preformed trench
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Abstract
The invention discloses a kind of man-made island segment, assembled man-made island and its methods of construction, and wherein man-made island segment includes the ontology of prefabricated component, and ontology is equipped with inner chamber body；Assembled man-made island includes at least two man-made island segments, and two neighboring man-made island segment is connected with each other.Man-made island segment of the invention includes the ontology of precast construction part, and the inner chamber body being equipped in ontology, the assembled man-made island includes each man-made island precast segment structural member, therefore it can carry out being segmented in advance prefabricated, then it hauls again to position to be installed and carries out assembly, pass through jackstone slope relative to existing, island is built in cofferdam and deep slotting Large-diameter Steel cylinder builds island mode, reduce operation at sea, water-bed foundation excavation amount, also deep basal pit is eliminated, reduce basement process work amount, reduce environment influence, reduce difficulty of construction, the construction time is saved, navigation is affected also smaller, it reduces costs lower, it is adapted to the operating condition of various different ground soil properties, it is adaptable.
Description
Technical field
The present invention relates to a kind of man-made island technical field, in particular to a kind of man-made island segment, assembled man-made island and its
Method of construction and a kind of seaway.
Background technique
Man-made island is widely used in marine reclamation land, oil drilling, technical field of traffic transportation, the construction one of existing man-made island
As be that deduction type man-made island in slope is constructed by jackstone, island molding man-made island is perhaps built by way of cofferdam or passes through depth
Slotting Large-diameter Steel cylinder has formed flat island of building and has formed man-made island.
Wherein in such a way that jackstone constitutes slope and island is built in cofferdam, need to carry out water-bed basis to handle relatively more flat
It is whole, and processing mode is also more complicated, and the noise of generation is more, and environment influence is big, process is also more complicated, the duration also compares
Blocking water when growing, while constructing is larger, constructs also relatively difficult；In addition, in order to guarantee normal construction, it is often necessary to prohibit to the water surface
Row influences navigation also bigger.If building island using Large-diameter Steel cylinder, higher industrialized condition is needed, and process
Large-diameter Steel cylinder needs the processing and transportation by lighter of a large amount of steel construction, and Large-diameter Steel cylinder is squeezed by way of piling
Seabed, process is also more complicated, constructs also relatively difficult, needs heavy construction equipment, higher cost, while it is primarily adapted for use in
Water-bed Soft Clay work condition environment, adaptability are poor.
Summary of the invention
It is an object of the invention to overcome the man-made island in the presence of the prior art to build island by jackstone slope and cofferdam
Mode, complex procedures, noise are more, have greater environmental impacts, constructional difficulties, the deficiency that larger impact is usually brought to navigation,
And the above-mentioned deficiency that island mode is primarily adapted for use in Soft Clay operating condition is built for deep slotting Large-diameter Steel cylinder, it provides a kind of artificial
The method of construction of island segment, assembled man-made island and its assembled man-made island, while additionally providing a kind of seaway.
In order to achieve the above-mentioned object of the invention, the present invention provides following technical schemes:
A kind of man-made island segment, the ontology including prefabricated component, the ontology are equipped with inner chamber body.
Man-made island segment of the present invention, by the ontology including precast construction part, and in being equipped in ontology
Cavity, since the ontology is precast construction part, can carry out in advance it is prefabricated, then in haul to position to be installed, in addition,
Inner chamber body is set in ontology, passes through the increase and decrease of counterweight in inner chamber body, thus it is possible to vary the buoyancy of ontology is convenient for settling；By
It is that segmentation is prefabricated in the man-made island segment, then each man-made island segment is also easy for assembly and connection, relative to existing
Man-made island in such a way that island is built on jackstone slope and cofferdam which reduce operation at sea, reduce water-bed foundation excavation amount, together
When also eliminate deep basal pit, reduce basement process work amount and tunnel foundation trench excavated volume, reduce environment influence, reduce
Difficulty of construction reduces the construction time, affects to the navigation in construction location also smaller；It is inserted relative to existing depth big straight
Diameter steel cylinder builds that island mode process is also simpler, easy construction, cost is relatively low, and may also adapt to various different foundation soils
The operating condition of matter, it is adaptable.
Preferably, the inner chamber body of the ontology has opening, convenient for mass is processed and filled to inner chamber body, changes
The structure of ontology.
Preferably, the ontology is reinforced concrete structure or steel shell structural member, is convenient for integral prefabricated molding.
Preferably, the both ends of the ontology along longitudinal direction are equipped with temporary plugging wall or/and headwall, the temporary plugging wall side of setting
Just it is dismounting when the docking of other ontologies, forms the inner chamber body of a connection, and headwall is permanent cavity, as man-made island
Marginal texture after molding.
Preferably, the ontology is an integral molding structure with the headwall.
Preferably, be additionally provided at least one partition wall inside the inner chamber body, each counterweight cavity be the ontology with
It ties in the space that the molding groove shapes structure of the partition wall institute, partition wall and ontology are mutually shaped to several independent groove shapes
Structure does not influence the inner chamber body space of ontology convenient for the placement of counterweight.
Preferably, the ontology and all partition walls are an integral molding structure part.
Preferably, all partition walls are symmetrically positioned in the two sides of the inner chamber body of the ontology along longitudinal direction.
Preferably, at least one counterweight cavity is equipped in the inner chamber body.
Preferably, one of water, rubble and concrete or multiple combinations mass are equipped in the counterweight cavity.
Preferably, at least one end face of the ontology is equipped with waterstop, for connecting in water between two ontologies.
Preferably, the waterstop is set to the one or both ends of the ontology along longitudinal direction.
Preferably, the waterstop is U-shaped waterstop.
Preferably, several horizontal support pieces are additionally provided in the inner chamber body.
Preferably, each horizontal support piece is detachably connected in the inner chamber body.
Preferably, the outer body is additionally provided with backfill object, forms convenient for the reinforcing to ontology in seabed.
Preferably, the ontology is equipped with several anchor line connecting holes for being convenient for anchor line haul.
Preferably, the ontology of the man-made island segment is rectangular configuration.
It is further preferred that the length of the ontology is in 20-300m, width is in 20-150m.
It is further preferred that the height of the ontology is 5-50m.
The present invention also provides a kind of assembled man-made island, including at least two man-made island segments, two neighboring people
The segment Gong Dao is connected with each other.
Assembled man-made island of the present invention, including each man-made island segment, since the man-made island segment is prefabricated
Structural member, therefore can carry out being segmented in advance prefabricated, it then hauls again to position to be installed, is carrying out assembled connection, relative to
Existing man-made island in such a way that island is built on jackstone slope and cofferdam which reduce operation at sea, reduce water-bed foundation excavation
Amount, while deep basal pit is also eliminated, reduce basement process work amount, reducing environment influences, reduce difficulty of construction, reduce
Construction time affects the navigation in construction location also small；Large-diameter Steel cylinder, which is inserted, relative to existing depth builds island
Mode process is also simpler, easy construction, cost is relatively low, and may also adapt to the operating condition of various different ground soil properties, fits
Ying Xingqiang.
Preferably, the two neighboring man-made island segment is interconnected in horizontal or vertical direction.
Preferably, all man-made island segments are transversely interconnected to form the artificial island structure of array with longitudinal.
Preferably, it is connected with each other between the two neighboring man-made island segment by U-shaped waterstop.
Preferably, it is connected with each other between the two neighboring man-made island segment by least one drawing device.
Preferably, it is connected with each other between the two neighboring man-made island segment by two drawing devices, Mei Gesuo
State body upper surface or lateral surface that drawing device is set to corresponding two man-made island segments.
Preferably, each drawing device includes bollard and hoist engine, and the bollard and hoist engine are respectively arranged on
On the two neighboring man-made island segment to be connected, connection cable between the bollard and hoist engine, the hoist engine is received
The tight hawser, the bollard is close to hoist engine, to realize the interconnection of the two neighboring man-made island segment.
Preferably, each drawing device includes being respectively arranged on the two neighboring man-made island segment to be connected to appear on the stage
, jack is connected between two pedestals, the jack collapses, to realize the two neighboring man-made island segment
It is connected with each other.
Preferably, it is equipped with end cavity between the two neighboring man-made island segment, is filled with water in the end cavity
Lower concrete capable of not dispersing or sealing slurry.
Preferably, two man-made island segments are mutually coupled respectively by steel plate or circular arc baffle, the steel plate or circle
Arc baffle and two man-made island segments form the end cavity.
Preferably, inserted with several steel sheet piles in the end cavity.
Preferably, it is connected with each other between the two neighboring man-made island segment by drawing device.
Preferably, the inner chamber body of all man-made island segments is interconnected.
Preferably, the periphery of the assembled man-made island is equipped with backfill object.
The present invention also provides a kind of method of construction of assembled man-made island, the method for construction packet of the assembled man-made island
Include following steps:
Step 1: scene prepares, water-bed laying bedding blotter is carried out in the region of assembled man-made island to be installed；
Step 2: haul the segment first man Gong Dao, by the closed at both ends of the segment first man Gong Dao, hauled to
Installation site；
Step 3: by the segment first man Gong Dao sink and implantation in position to be installed；
Step 4: second man-made island segment of haul, by the closed at both ends of second man-made island segment, hauled to
Installation site；
Step 5: second man-made island segment sinks, the segment first man Gong Dao and second man-made island segment is mutual
Connection；
Step 6: repeating said steps four and five, are hauled until by the segment all people Gong Dao to position to be installed, sinking
And be connected on first man-made island segment, it is finally completed the construction of assembled man-made island.
The method of construction of assembled man-made island of the present invention is to use integral prefabricated man-made island, and utilize water
Buoyancy transports prefabricated island to scene and is installed, and since each man-made island segment is that segmentation is prefabricated, carries out at the scene assembled；Cause
The method of construction of this assembled man-made island simplifies working procedure, reduces operation at sea, reduces excavated volume, cancels deep basal pit,
Foundation treatment engineering amount is reduced, low environmental impact is dropped, noise reduction reduces the effect for the ratio that blocks water, and it is public to can adapt to obstructed ground soil property
Open loop border, wide adaptability.
It is further preferred that being segmented each section of man-made island section of the prefabricated assembled man-made island before implementation steps one
Section.
Preferably, one end is end in the both ends of first of the assembled man-made island and the man-made island segment of the last one
The wall and headwall is permanently connected on the body, the other end pass through dismountable temporary plugging wall and close.
Preferably, in the step 3 when by the segment first man Gong Dao and the sinking of subsequent man-made island segment, first
Anchor line on the man-made island segment is respectively connected to using 4-8 platform hoist engine, then to the posture of the man-made island segment into
Row regulation, then adds water that its implantation is made to be mounted on position to be installed in by the man-made island segment.
Preferably, it when two man-made island segments in the step 5 are connected with each other, is first tentatively connected using drawing device
Two man-made island segments, then by by two man-made island segments by waterstop interconnection, then by waterstop and two
Man-made island segment is formed by the intracorporal water discharge of end chamber and pushes two man-made island segments mutually to lean on when water is surveyed and pressed
Closely to realize final crimping.
Preferably, sink in the step 3 or six for the man-made island segment and implantation is at position to be installed,
Increase mass in counterweight cavity in the man-made island segment, under the action of hoist engine, make the man-made island segment gradually under
Calm bed.
Preferably, the mass is water, rubble or concrete.
Preferably, in the step 5 or six, when sinking to the man-made island segment, to the counterweight of first man-made island segment
Increase mass in cavity.
It is further preferred that the method for construction further includes Step 7: mounted assembled man-made island is circumferentially increased back
Fill out object.
It is further preferred that the method for construction further includes Step 8: man-made island construction foundation pressure adjusting, that is, work as man-made island
When weight to have increased man-made island segment newly of building or pavement construction in segment, existing mass is moved in whole or in part
It removes, for adjusting pressure balance of the man-made island segment to ground before and after construction or pavement construction, i.e., by the pressure of ground
Control is played the role of reducing underwater processing difficulty and project amount in lower level.
The present invention also provides a kind of seaway, including assembled man-made island and immersed tube tunnel, the assembled people
The inner chamber body on work island and the internal cavity of immersed tube tunnel are interconnected.
It is further preferred that the immersed tube tunnel is the closed hollow pipeline of ring-shaped.
Preferably, the immersed tube tunnel is case girder construction.
The present invention also provides a kind of seaway, including assembled man-made island and bridge, the assembled man-made island with
The bridge is interconnected.
The present invention also provides a kind of seaway, including assembled man-made island, bridge and immersed tube tunnel, the immersed tube
Tunnel is case girder construction, and the inner chamber body of the assembled man-made island and the internal cavity of immersed tube tunnel are interconnected.
Preferably, which first builds one of man-made island segment in construction, then respectively described artificial
One end of island segment connects other man-made island segments, and the other end connects immersed tube tunnel simultaneously, after completing assembled man-made island,
The assembled man-made island is attached with the bridge for building completion again, is finally completed the construction of seaway.
Preferably, which first builds one of man-made island segment, then in the man-made island section in construction
One end of section connects other man-made island segments, and until completing assembled man-made island, the assembled man-made island is completed with construction again
Bridge be attached, finally the other end of the man-made island segment connects immersed tube tunnel again, until completing the immersed tube tunnel
Construction and installation, be finally completed the construction of seaway.
Compared with prior art, beneficial effects of the present invention:
1. man-made island segment of the present invention, by the ontology including precast construction part, and be equipped in ontology
Inner chamber body, since the ontology is precast construction part, can carry out in advance it is prefabricated, then in haul to position to be installed, separately
Outside, inner chamber body is set in ontology, passes through counterweight in inner chamber body, thus it is possible to vary the buoyancy of ontology is convenient for settling；Due to this
Man-made island segment is that segmentation is prefabricated, then each man-made island segment is also easy for assembly and connection, relative to existing people
Work island in such a way that island is built on jackstone slope and cofferdam which reduce operation at sea, reduce water-bed foundation excavation amount, while
Deep basal pit is eliminated, basement process work amount is reduced, when reducing environment influences, reduces difficulty of construction, reduces construction
Between, the navigation in construction location is affected also smaller；Large-diameter Steel cylinder, which is inserted, relative to existing depth builds island mode process
Also simpler, easy construction, cost is relatively low, and may also adapt to the operating condition of various different ground soil properties, adaptable；
2. assembled man-made island of the present invention, including each man-made island segment, since the man-made island segment is pre-
Structural member processed, therefore can carry out being segmented in advance prefabricated, it then hauls again to position to be installed, is carrying out assembled connection, relatively
In existing man-made island in such a way that island is built on jackstone slope and cofferdam which reduce operation at sea, reduce water-bed foundation excavation
Amount, while deep basal pit is also eliminated, reduce basement process work amount, reducing environment influences, reduce difficulty of construction, reduce
Construction time affects the navigation in construction location also small；Large-diameter Steel cylinder, which is inserted, relative to existing depth builds island
Mode process is also simpler, easy construction, cost is relatively low, and may also adapt to the operating condition of various different ground soil properties, fits
Ying Xingqiang；
3. the method for construction of assembled man-made island of the present invention is to use integral prefabricated man-made island, and utilize water
Buoyancy transport prefabricated island to scene and installed, since each man-made island segment is that segmentation is prefabricated, carry out at the scene assembled；
Therefore the method for construction of the assembled man-made island simplifies working procedure, reduces operation at sea, reduces excavated volume, cancels deep base
Foundation treatment engineering amount is reduced in hole, drops low environmental impact, and noise reduction reduces the effect for the ratio that blocks water, can adapt to obstructed ground soil property
Open environment, wide adaptability.
Detailed description of the invention:
Fig. 1 is a kind of structure top view of man-made island segment of the present invention；
Fig. 2 is the cross-sectional view of A-A, B-B, E-E in Fig. 1；
Fig. 3 is the cross-sectional view of C-C, D-D in Fig. 1；
Fig. 4 a is the partial structural diagram that man-made island segment is free of counterweight cavity in Fig. 1；
Fig. 4 b is the cross section view in Fig. 4 a；
Fig. 4 c is the partial structural diagram that man-made island segment has counterweight cavity in Fig. 1；
Fig. 4 d is the cross section view of Fig. 4 c；
Fig. 5 a is a kind of cross-sectional view that assembled man-made island is precast spliced of the present invention；
Fig. 5 b is the perspective view of Fig. 5 a；
Fig. 6 is a kind of structural schematic diagram of assembled man-made island spliced along longitudinal direction of the present invention；
Fig. 7 be a kind of assembled man-made island of the present invention along longitudinal direction with the horizontally-spliced structural schematic diagram at array；
Fig. 8 a is the schematic diagram that two man-made island segment connectors use sealing band connection；
Fig. 8 b is the schematic diagram that two man-made island segment connectors use baffle connection；
Fig. 9 is the structural schematic diagram of two man-made island segment connectors connection；
Figure 10 a-10d is the schematic diagram that assembled man-made island is connected by drawing device；
Figure 11 is the schematic diagram that man-made island segment is hauled by hawser；
Figure 12 is the thrust schematic diagram interconnected that two man-made island segments pass through water；
Figure 13 is the schematic diagram that two man-made island segments mutually crimp front and back by the thrust of water；
Figure 14 a is the schematic diagram before a kind of assembled man-made island and immersed tube tunnel interconnection；
Figure 14 b is the schematic diagram after a kind of assembled man-made island and immersed tube tunnel interconnection；
Figure 15 is a kind of assembled man-made island and immersed tube tunnel, a kind of bridge schematic diagram interconnected；
Figure 16 is a kind of assembled man-made island and immersed tube tunnel, bridge another schematic diagram interconnected.
Marked in the figure:
1, ontology, 11, inner chamber body, 12, counterweight cavity, 13, headwall, 14, connecting hole, 15, anchor line, 2, partition wall, 3, counterweight
Object, 4, temporary plugging wall, 5, waterstop, 6, baffle, 61, end cavity, 7, horizontal support piece, 8, backfill object, 9, drawing device,
91, hoist engine, 92, bollard, 93, hawser, 94, pedestal, 95, jack, 10, ground, 101, immersed tube tunnel, 102, bridge.
Specific embodiment
Below with reference to test example and specific embodiment, the present invention is described in further detail.But this should not be understood
It is all that this is belonged to based on the technology that the content of present invention is realized for the scope of the above subject matter of the present invention is limited to the following embodiments
The range of invention.
Embodiment 1
Such as Fig. 1-3, shown in 4a-4d, a kind of man-made island segment, the ontology 1 including prefabricated component, the ontology 1 is equipped with inner cavity
Body 11.
Man-made island segment of the present invention, by the ontology 1 including precast construction part, and be equipped in ontology 1
Inner chamber body 11, since the ontology 1 is precast construction part, can carry out in advance it is prefabricated, then in haul to position to be installed,
In addition, inner chamber body 11 is arranged in ontology 1, pass through counterweight in inner chamber body 11, thus it is possible to vary the buoyancy of ontology 1 is convenient for sinking
Drop；Since the man-made island segment is that segmentation is prefabricated, then each man-made island segment be also easy for it is assembled and connection, relative to
Existing man-made island in such a way that island is built on jackstone slope and cofferdam which reduce operation at sea, reduce water-bed foundation excavation
Amount, while deep basal pit is also eliminated, reduce ground 10 and handle workload, reducing environment influences, reduce difficulty of construction, subtract
The construction time is lacked, the navigation in construction location has been affected also smaller；Large-diameter Steel cylinder is inserted relative to existing depth to build
Island mode process is also simpler, easy construction, cost is relatively low, and may also adapt to the work of 10 soil property of various different grounds
Condition, it is adaptable.
The inner chamber body 11 of above-mentioned ontology 1 has opening, convenient for inner chamber body 11 being processed and being filled mass 3, changes
Become the structure of ontology 1.Ontology 1 uses reinforced concrete structure or steel shell structural member, is convenient for integral prefabricated molding.At this
The both ends of body 1 along longitudinal direction are equipped with temporary plugging wall 4 or/and headwall 13, and the temporary plugging wall 4 of setting is conveniently other ontologies 1
It is removed when docking, forms the inner chamber body 11 of a connection, and headwall 13 is permanent cavity, as man-made island side after molding
Edge structure.Ontology 1 is an integral molding structure with the headwall 13, facilitates processing.
Be additionally provided at least one partition wall 2 inside above-mentioned inner chamber body 11, each counterweight cavity 12 be the ontology 1 with
The 2 molding groove shapes structure of institute of partition wall, partition wall 2 and ontology 1 are mutually shaped to the sky of several independent groove shapes
Between structure convenient for the placement of counterweight do not influence 11 space of inner chamber body of ontology 1.Ontology 1 and all partition walls 2 are integrated into
Type structural member；All partition walls 2 are symmetrically positioned in the two sides of the inner chamber body 11 of the ontology 1 along longitudinal direction.It is equipped at least in inner chamber body 11
One counterweight cavity 12.One of water, rubble and concrete or multiple combinations mass 3 are equipped in counterweight cavity 12.
In addition, at least one end face of ontology 1 is equipped with waterstop 5, for connecting in water between two ontologies 1.The sealing
The one or both ends of the ontology 1 along longitudinal direction are set to 5, the preferably waterstop 5 is U-shaped waterstop 5.
Several horizontal support pieces 7 are additionally provided in inner chamber body 11.Each horizontal support piece 7 is detachably connected in described
In cavity 11.It is additionally provided with backfill object 8 on the outside of ontology 1, is formed convenient for the reinforcing to ontology 1 in seabed.Ontology 1 is equipped with several
15 connecting hole 14 of anchor line hauled convenient for anchor line 15.The ontology 1 of man-made island segment is rectangular configuration.
In general, the length of the ontology 1 is in 20-300m, width is in 20-150m.The height of ontology 1 is 5-50m.
Above-mentioned ontology 1 is directly connected to partition wall 2.Partition wall 2 is to apply press-fitting weight.Man-made island needs to be segmented prefabricated
When, temporary plugging wall 4 replaces the docking site of ontology 1.Rubber fastening band 5 starches baffle 6 only for docking.Cross-brace and sheet
Body 1 connects, and plays the role of tight permanent structure.Backfill is in the outside of main structure, after man-made island is installed at the scene
It constructs again, plays the role of maintaining man-made island permanent stability, prevent man-made island from the impacts such as hitting by such as ship.
Embodiment 2
As shown in Fig. 5 a, 5b, 6,7, the present invention also provides a kind of assembled man-made island, including at least two described artificial
Island segment, two neighboring man-made island segment are connected with each other.
Above-mentioned two neighboring man-made island segment is transversely or/and longitudinal interconnected.Two neighboring man-made island segment
Between by U-shaped waterstop 5 be connected with each other.It is connected with each other between two neighboring man-made island segment by U-shape baffle 6, baffle 6
End cavity 61 is formed with two man-made island segments.Non-dispersible underwater concrete or sealing are injected in the end cavity 61
Slurry.
It is connected with each other between two neighboring man-made island segment by least one drawing device 9.It is two neighboring described artificial
It is connected with each other between the segment of island by two drawing devices 9, each drawing device 9 is set to corresponding two people
1 upper surface of ontology of the segment Gong Dao or lateral surface.Each drawing device 9 includes bollard 92 and hoist engine 91, bollard 92
It is respectively arranged on hoist engine 91 on the two neighboring man-made island segment to be connected, between the bollard 92 and hoist engine 91
Connection cable 93, the hoist engine 91 tighten the hawser 93, and the bollard 92 is close to hoist engine 91, to realize adjacent two
The interconnection of a man-made island segment.Each drawing device 9 include be respectively arranged on it is to be connected two neighboring described artificial
Pedestal 94 on the segment of island connects jack 95 between two pedestals 94, and the jack 95 collapses, to realize adjacent two
Preferably, the inner chamber body 11 of all man-made island segments is interconnected for the interconnection of a man-made island segment.Even
The periphery for connecing the assembled man-made island of completion is equipped with backfill object 8 convenient for reinforcing.
The assembled man-made island of this programme has the advantage that
1. the assembled man-made island can be from gravity sinking that is floating, and can utilizing water.Illustrate the man-made island of this programme
It is very light and handy in water, also mean that requirement of the man-made island to basis is very low.It can substantially maintain that be maintained at island body stable
It is horizontal.Moreover, the bottom surface of man-made island is the face of an entirety, rather than the granular media structure of traditional sandstone man-made island, also just mean
, 10 pressure of ground is more uniform.To sum up two o'clock, base case can significantly be optimized, or even in most cases may be used
It does not handle, it is only necessary to be laid with the bedding screed-coat of one layer of routine.
2, since the assembled man-made island eliminates pile foundation scheme, noise pollution is effectively reduced；
3, requirement of the assembled man-made island to 10 bearing capacity of ground is lower, thus the cutting depth of man-made island ground 10 can
With shallower, reduction excavated volume, to be conducive to the environmental protection to (sea) water；
4, assembled man-made island builds island mode compared to tradition, eliminates deep basal pit, reduces construction risk.Simplify work
Sequence；It should be noted that the assembled man-made island additionally depends on Practical Project condition when being fixed on seabed, if rubbed
Wiping power can directly can be met the requirements by the frictional force that gravity generates enough, if frictional force is not enough enough to make the assembled
Man-made island is kept fixed patch, needs to backfill on the outside of the assembled man-made island, keeps man-made island using passive earth pressure
Stabilization, outside backfill also can be used as anti-collision structure；
5, the construction period of assembled man-made island is more controllable；
6, the time of operation at sea is greatly reduced in assembled man-made island, hence for the construction for adjoining busy navigation channel
It is played for waters and reduces water transportation influence, guarantee the effect of safety of traffic on water；
7, assembled man-made island is thrown using armored concrete or steel shell structure as shelves water soil-baffling structure to compare tradition
The smallest construction width needed for bank of stone scheme also wants small, reduces the overall width of island body, is conducive to control waterpower influence, reduces resistance
Water rate.
To sum up, assembled man-made island of the present invention, including each man-made island segment, since the man-made island segment is
Precast construction part, therefore can carry out being segmented in advance prefabricated, it then hauls again to position to be installed, is carrying out assembled connection, phase
For existing man-made island in such a way that island is built on jackstone slope and cofferdam which reduce operation at sea, reduce water-bed basis and open
Digging amount, while also eliminating deep basal pit reduces ground 10 and handles workload, reduce environment influence, reduce difficulty of construction,
Reduce the construction time, the navigation in construction location is affected also smaller；Large-diameter Steel cylinder is inserted relative to existing depth
It builds that island mode process is also simpler, easy construction, cost is relatively low, and may also adapt to the work of 10 soil properties of various different grounds
Condition, it is adaptable.
Embodiment 3
As shown in Fig. 5-7,8a, 8b, 9,10a, 10b, 10c, 10d, the present invention also provides a kind of assembled man-made islands
Method of construction, the method for construction of the assembled man-made island the following steps are included:
Step 1: scene prepares, water-bed laying bedding blotter is carried out in the region of assembled man-made island to be installed；
Step 2: haul the segment first man Gong Dao, by the closed at both ends of the segment first man Gong Dao, hauled to
Installation site；
Step 3: by the segment first man Gong Dao sink and implantation in position to be installed；
Step 4: second man-made island segment of haul, by the closed at both ends of second man-made island segment, hauled to
Installation site；
Step 5: second man-made island segment sinks, the segment first man Gong Dao and second man-made island segment is mutual
Connection；
Step 6: repeating said steps four and five, are hauled until by the segment all people Gong Dao to position to be installed, sinking
And be connected on first man-made island segment, it is finally completed the construction of assembled man-made island；
Step 7: mounted assembled man-made island circumferentially to be increased to backfill object 8；
Step 8: man-made island construction 10 pressure of ground adjust, i.e., when in man-made island segment building or pavement construction with new
When having increased the weight of man-made island segment, existing mass 3 is removed in whole or in part, for adjusting man-made island segment over the ground
Pressure balance of the base 10 before and after construction or pavement construction.
As illustrated by figs. 12-13, the working principle of the assembled man-made island is as follows:
Man-made island is prefabricated on the coast.
Utilize the buoyancy floating of water, and transport.The means of transportation of tugboat or other above-water large-scale components can be used in transport.People
Work island can meet the depth of water in general navigation channel or waters in floating after draught, so that floatability is transported to the water of the man-made island of quasi- installation
Upper region.
Sunk using the gravity of water.By the built-in water of compartment toward man-made island prefabricated component, by the leveling of man-made island, and by people
The buoyancy on work island is offset, until man-made island acts on bedding.
It is connected using the thrust of water.Usual man-made island carries out assembly after being preferably divided into several component transportation by drivings to scene again.Just
After step docking, the water in U-shaped (Gina) rubber fastening band 5 by taking out butt end, the hydraulic pressure of man-made island precast section butt end
Power can disappear, and the water pressure of tail end will overcome the frictional force of man-made island precast section bedding, by the prefabricated of the man-made island newly installed
Section pushes the precast section of bank structure either previous mounted man-made island to.To ensure previous mounted man-made island
Precast section can thrust (will not be pushed because of the lateral water pressure for the precast section newly installed) can be to previous mounted pre-
The backfill of section construction a part processed applies more ballasts to increase passive earth pressure and stiction.
Slip casting connection: being arranged shelves between precast section and starch measure, reinjects non-dispersible underwater concrete or other sealings slurry.
The course of work: it is introduced by taking the man-made island of the more multiple precast sections of process as an example.
1. field preparation, the bedding blotter including being laid with man-made island；
2. being segmented prefabricated island phosphor bodies structure；
3. the interim barricade in the both ends of man-made island precast section is closed in order to using the buoyancy of water；
4. installing Gina waterstop 5 in one end of precast section in advance to dock；
5. precast section floating and is transported to the scene of installation in floating state in water, by the top surface of precast section
4 to 8 hoist engines 91 (windlass) of setting (waterborne) are simultaneously connect with the anchor in water, are controlled the posture of precast section, simultaneously
By adding water to make its implantation in precast section；
6. being connect with previous precast section or bank structure；Drawing jack 95 can be used in preliminary connection；Final connection
By the water of the 5 inner end cavity 61 of U-shaped rubber fastening band of discharge, the secondary of rubber fastening band 5 is carried out using the lateral pressure of water
Crimping is also final crimping.In order to ensure stabilization (can thrust) of the previous precast section when waterpower crimps can be to previous
A precast section ballast increases the frictional force of bedding, or increases passive soil pressure in the surrounding backfill rubble of previous precast section
Power, or both have both at the same time；
7. the other constructions carried out in man-made island will increase the weight of man-made island body, such as fills out rubble or pour road surface coagulation
Soil is managed weight, is replaced with permanent rubble or concrete for control settlement (ensuring that foundation bearing capacity is enough)
The water of interim ballast.
The method of construction of assembled man-made island of the present invention is to use integral prefabricated man-made island, and utilize water
Buoyancy transports prefabricated island to scene and is installed, and since each man-made island segment is that segmentation is prefabricated, carries out at the scene assembled；Cause
The method of construction of this assembled man-made island simplifies working procedure, reduces operation at sea, reduces excavated volume, cancels deep basal pit,
It reduces ground 10 and handles project amount, drop low environmental impact, noise reduction reduces the effect for the ratio that blocks water, and can adapt to obstructed 10 soil of ground
Matter discloses environment, wide adaptability.
In addition, the method for construction of assembled man-made island of the present invention, builds island mode compared to conventional, also have following
Advantage:
A. the assembled man-made island can be installed by enlargement, and a large amount of aquatic work is transferred to land, is reduced
Difficulty of construction；
B. the construction method of the assembled man-made island reduces operation at sea；
C. for the assembled man-made island in construction, the pressure of ground 10 is small；And be contemplated that by precast section plus, off-load
It adjusts to adjust 10 pressure of ground；
D. because assembled man-made island is in construction, ground 10, which can be convenient, to be adjusted, 10 process demand of ground drop
It is low；The processing of ground 10 can even be cancelled；
E. because assembled man-made island is in construction, ground 10, which can be convenient, to be adjusted, and the foundation trench excavated volume in tunnel is few；
F. it is low to influence (block water ratio) in water conservancy for the construction method of the assembled man-made island；
G. the construction method of the assembled man-made island cancels deep foundation pit construction；
H. the construction method of the assembled man-made island eliminates the based process in tunnel on island, it is artificial to reduce assembled
The difficulty of construction on island；
I. the construction method of the assembled man-made island reduces construction noise
J. the construction method of the assembled man-made island, can fast rapid-result island, low cost, and environmental impact minimization；
M. the construction method of the assembled man-made island is not required to special construction harbour, need to only add in the outside of precast construction
Fender；
N. the construction method of the assembled man-made island can conveniently make assembled man-made island connection bridge 102 and immersed tube tunnel
Road 101；
O. close because of 10 pressure of ground of island body precast section and immersed tube tunnel 101, it is easily able to the ground with immersed segment
The coordination of 10 rigidity avoids the relative settlement risk of bank connector；
P. when necessary, body precast section in island can share dry-docking with immersed tube tube coupling, reduce and face facility investment greatly
Further, before implementation steps one, it is segmented each section of man-made island segment of the prefabricated assembled man-made island.
First of above-mentioned assembled man-made island and the last one man-made island segment both ends in one end be headwall 13 forever
It is connected on ontology 1 long, the other end is closed by dismountable temporary plugging wall 4.
In above-mentioned steps three when by the segment first man Gong Dao and the sinking of subsequent man-made island segment, 4-8 is first used
Platform hoist engine 91 is respectively connected to the anchor line 15 on the man-made island segment, then adjusts to the posture of the man-made island segment
Then control adds water that its implantation is made to be mounted on position to be installed in by the man-made island segment.
When two man-made island segments in above-mentioned steps five are connected with each other, first using tentatively two people of connection of drawing device 9
The segment Gong Dao, then by being connected with each other two man-made island segments by waterstop 5, then waterstop 5 and two is artificial
Island segment is formed by the discharge of the water in end cavity 61, when water is surveyed and pressed, pushes two man-made island segments close to each other
To realize final crimping.
Sink in above-mentioned steps three or six for the man-made island segment and implantation is at position to be installed, in the man-made island
Increase mass 3 in counterweight cavity 12 in segment, under the action of hoist engine 91, makes the man-made island segment gradually lower calmness
Bed.The mass 3 is water, rubble or concrete.
Further, in step 5 or six, when sinking to the man-made island segment, to the counterweight of first man-made island segment
Increase mass 3 in cavity 12.
The above-mentioned method of construction further includes Step 7: mounted assembled man-made island circumferentially to be increased to backfill object 8.
Embodiment 4
As shown in figure 13, the present invention also provides a kind of seaways, including assembled man-made island and immersed tube tunnel
101, the inner chamber body 11 of the assembled man-made island and the internal cavity of immersed tube tunnel 101 are interconnected.
It is further preferred that the immersed tube tunnel 101 is the closed hollow pipeline of ring-shaped.
Embodiment 5
The present invention also provides a kind of seaways, as shown in Figure 14 a, 14b, including assembled man-made island and bridge 102,
The assembled man-made island and the bridge 102 are interconnected.
Embodiment 6
The present invention also provides a kind of seaways, as shown in figures 15-16, including assembled man-made island and immersed tube tunnel
101, the immersed tube tunnel 101 is case girder construction, the inner chamber body 11 of the assembled man-made island and the inside of immersed tube tunnel 101
Cavity is interconnected.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the technical principles of the invention, several improvement and replacement can also be made, these are improved and replacement
Also it should be regarded as protection scope of the present invention.
Claims (10)
1. a kind of man-made island segment, which is characterized in that the ontology including prefabricated component, the ontology are equipped with inner chamber body.
2. a kind of man-made island segment according to claim 1, which is characterized in that the inner chamber body of the ontology has opening.
3. a kind of man-made island segment according to claim 1, which is characterized in that match in the inner chamber body equipped at least one
Weight cavity.
4. a kind of man-made island segment according to claim 3, which is characterized in that be additionally provided at least one inside the inner chamber body
A partition wall, each counterweight cavity are the ontology and the molding groove shapes structure of the partition wall.
5. a kind of man-made island segment according to claim 1, which is characterized in that at least one end face of the ontology or side
Face is equipped with waterstop.
6. a kind of assembled man-made island, which is characterized in that including at least two as described in claim any one of 1-5 man-made island section
Section, two neighboring man-made island segment are connected with each other.
7. a kind of method of construction of assembled man-made island, which is characterized in that the method for construction of the assembled man-made island include with
Lower step:
Step 1: scene prepares, water-bed laying bedding blotter is carried out in the region of assembled man-made island to be installed；
Step 2: the haul segment first man Gong Dao is hauled the closed at both ends of the segment first man Gong Dao to be installed
Position；
Step 3: by the segment first man Gong Dao sink and implantation in position to be installed；
Step 4: second man-made island segment of haul is hauled the closed at both ends of second man-made island segment to be installed
Position；
Step 5: second man-made island segment sinks, the segment first man Gong Dao and second man-made island segment are connected with each other；
Step 6: repeating said steps four and five, are hauled until by the segment all people Gong Dao to position to be installed, sinking and company
It connects on first man-made island segment, is finally completed the construction of assembled man-made island.
8. a kind of method of construction of assembled man-made island according to claim 7, which is characterized in that in the step 5
When two man-made island segments are connected with each other, two man-made island segments tentatively first connects using drawing device, then pass through by this two
A man-made island segment is connected with each other by waterstop, then that waterstop with two man-made island segments is formed by end chamber is intracorporal
Water discharge pushes two man-made island segments close to each other to realize final crimping when water is surveyed and pressed.
9. a kind of seaway, which is characterized in that including assembled man-made island and immersed tube tunnel, the assembled man-made island
The internal cavity of inner chamber body and immersed tube tunnel is interconnected.
10. a kind of seaway, which is characterized in that including assembled man-made island and bridge, the assembled man-made island with it is described
Bridge is interconnected.
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| CN109518674B (en) | 2021-11-23 |
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