CN103911978B - A kind of marine prefabricated platform and installation method thereof - Google Patents
A kind of marine prefabricated platform and installation method thereof Download PDFInfo
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- CN103911978B CN103911978B CN201410111008.5A CN201410111008A CN103911978B CN 103911978 B CN103911978 B CN 103911978B CN 201410111008 A CN201410111008 A CN 201410111008A CN 103911978 B CN103911978 B CN 103911978B
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Abstract
The invention discloses a kind of marine prefabricated platform and installation method thereof, main body is provided with the movable enclosing mechanism of ground below enclosing main body base plate, base plate in main body is externally provided with some tapered piles vertical with main body base plate, the cone head part of each tapered pile extends outside main body base plate, and cone head part is circular cone or polygonal pyramid, the base plate of main body is provided with grouting water injection hole, in tapered pile, is provided with through hollow explosive conduit.When it is installed, at the default ground that tows to main body to construct；Put down guide pile, main body is temporarily supported above on ground；Put down movable enclosing mechanism, the ground enclosing below main body base plate is got up；Below base plate, inject concrete or concrete grout by grouting water injection hole, form concrete layer at foundation surface；Packing up guide pile, main body is sat at the end downwards, makes tapered pile insert in concrete layer.The filling effect of the ground of the present invention is more preferable, the weight of tapered pile support platform, also can be inserted into extruded concrete layer, increases the stability after main body sits the end.
Description
Technical field
The present invention relates to a kind of concrete caisson basic platform technology, especially relate to marine prefabricated platform
And installation method.
Background technology
Along with constantly carrying out ocean exploitation, operating personnel and equipment need at off-lying sea or islands and reefs
Near do for a long time stop, it is therefore desirable to build fixed job platform or supply platform.Common
Construction method has following several: 1, pre-set chinampa platform or the caisson platform of steel construction, by dragging
Ship tows at operation, and chinampa platform ship anchor mooring or piling mode are fixed on sea, and caisson platform is used
Half latent end mode of sitting sinks to the bottom, needed for building operation or supply the most again on the platform surfaced
Superstructure.The chinampa platform of this steel construction or the construction schedule of caisson platform are long, and investment is big, floating
Island platform needs certain depth of water when fixing, it is impossible to be directly anchored on islands and reefs or sandy beach, poor stability,
Carry out marine mooring or fixing difficulty of construction of driving piles is high；And operation complexity at the bottom of the seat of caisson platform, ground
Levelling difficulty of construction is high.2, construction material and equipment needed for building job platform pass through tender
It is transported to construction site, the most directly carries out foundation dredging and construct, on ground, then carry out coagulation
Soil pours or steel construction is arranged, and fulfil assignment platform or the construction of supply platform.This mode is existing to construction
The marine environment of field can cause irreversible destruction, and the impact of work progress climate is relatively big, Building wood in addition
The transport of material is relatively difficult, causes building cycle long, and cost is high.3, the platform of precast concrete
Main body, body interior arranges gravel cabin and guide pile, is moved to operation by towing mode, will location
Stake extends to outside main body base plate and is supported on ground, opens gravel cabin, with gravel pack ground to base plate
Between space, complete the fixing of main platform body.This mode is easy to operate, can quickly sit the end and fix.
But affected by environment at ground, bigger than more serious ground or differential settlement at sapping
On ground, the effect carrying gravel pack is used to be not easily controlled, between base plate and gravel layer surface easily
Gap occurs, causes the uneven of stress, affect its stability sitting the end, it is impossible to ensure permanent reinforcement
Requirement.
Summary of the invention
It is an object of the invention to provide a kind of foundation stabilization firmly, sit the higher marine prefabricated of end stability
Platform.
It is a further object of the present invention to provide the installation method of a kind of marine prefabricated platform.
The technical solution of the present invention is: a kind of marine prefabricated platform, is provided with use on the body
The movable enclosing mechanism of ground below main body base plate described in enclosing, the base plate in described main body is externally provided with some
The tapered pile vertical with described main body base plate, the cone head part of each tapered pile extends outside described main body base plate,
And cone head part is circular cone or polygonal pyramid, the base plate of described main body is provided with grouting water injection hole, described tapered pile
Inside it is provided with through hollow explosive conduit.
By movable enclosing mechanism, the ground enclosing below main body base plate is got up, thus form opposing seal
Space, forms concrete layer by grouting water injection hole foundation surface below base plate, can well fill and lead up
Foundation surface, enclosing mechanism can form template, for sizing and the solidification of concrete layer, circular cone or many ribs
The tapered pile of cone is easier to insert in concrete layer, both can directly support the weight of whole main body, it is also possible to
The auxiliary part at the end is sat, when tapered pile inserts in concrete layer, it is also possible to extruding is mixed to both sides as main body
Solidifying soil, thus play the effect of air-free concrete layer, filling effect is more preferable, can increase main body and sit the steady of the end
Qualitative.By explosive on explosive conduit concrete layer below cone head part, after detonating, form quick-fried hole,
Both concrete layer can be carried out explosion smooth, the degree of depth that tapered pile inserts can be strengthened again, improve stability.
Described movable enclosing mechanism includes clamping plate and the stripe board being arranged on described main body side, wherein stripe board
Vertically it is located between clamping plate and described main body wall, and can move up and down along described main body wall.Stripe board
It is arranged on outside main body wall, can quickly form enclosing, easy and simple to handle, control the width of stripe board, permissible
More closely knit enclosing is formed in the region of ground big rise and fall.
It is provided with flat board below the cone head part of described tapered pile.Flat board can be supported on concrete layer, limits
Tapered pile falls further downward, and when detonating charge, flat board crushes simultaneously, can increase under tapered pile
The stroke fallen, is conducive to increasing the main body compacting effect to concrete layer.
Described cone head part is provided with the cone portion being connected with described base plate, and cone portion is cylindrical or multiedge cylinder.
Cone portion can improve the overall construction intensity of tapered pile, it is ensured that support strength.
Described cone portion and described back plate connections are provided with chamfered section.Chamfered section can be easier to extruded concrete
Layer, it is to avoid occur filling dead angle.
In described main body, it is provided with dividing plate, between dividing plate and described base plate, is provided with through reserved stake holes,
It is provided with movable tapered pile in reserved stake holes, dividing plate is provided with what driving activity tapered pile moved along reserved stake holes
Pressurization or vibration regulating device.Pressurization or vibration regulating device can adjust movable tapered pile and extend base plate
Outer distance, thus increase activity tapered pile inserts the degree of depth of concrete layer, promotes concrete layer further
Closely knit.
Described base plate is broadening formation.The contact area between base plate and concrete layer can be increased, accordingly
Improve frictional force, strengthen the stability after main body sits the end.
Being provided with coagulation soil cabin below described base plate, this coagulation soil cabin is by described base plate and at least one arch cabin
Bread encloses and forms, and is wherein provided with the arch on-deck support member connecting arch cabin end face below described base plate, often
Individual arch on-deck is taken block by block stone and capstone and is formed, and is provided with capstone between capstone and described base plate and draws
Pressure device.Make capstone extrude adjacent block stone by capstone pulling pressing device, thus arch on-deck is fixed
On arch on-deck support member, and arch on-deck is kept to have enough stability, such that it is able at concrete
Concrete or concrete grout is stored in cabin, when adjusting capstone pulling pressing device and making arch on-deck cave in, permissible
Quickly block stone and concrete are scattered downwards, are filled in uniformly on foundation surface, form concrete layer, under
The scope that falls is wide, and filling effect is good.
The vertical cross-section of described arch on-deck presents arch or lower arch.Upper arch on-deck is not take up below main body
Space, is conducive to keeping the hydrodynamic characterisitic of main body, and in lower arch on-deck, capstone is easier to be released, and has
It is beneficial to accelerate concrete rate of release.
The two sides that described block of stone is relative are respectively equipped with protuberance and the groove coordinated with this protuberance.By convex
Portion and the cooperation of adjacent block stone upper groove, improve the stability connected between block stone, increases more than stress further
Amount.
Another technical solution of the present invention is: the installation method of a kind of marine prefabricated platform, it includes
Following steps: step 1: at the default ground that tows to main body to construct；Step 2: put down guide pile, will be main
Body is temporarily supported above on ground；Step 3: put down movable enclosing mechanism, by the ground enclosing below main body base plate
Get up；Step 4: water injection hole foundation surface below base plate forms concrete layer by being in the milk；Step 5:
Packing up guide pile, main body is sat at the end downwards, makes tapered pile insert in concrete layer.By guide pile, main body is faced
Time be supported on ground, put down movable enclosing mechanism, by space screen between ground and base plate, can pass through
Grouting water injection hole quickly injects concrete grout on ground, thus forms concrete layer on ground, it is achieved ground
Base the most levelling, after packing up guide pile, main body moves downward under self gravitation effect, makes tapered pile
On the one hand in insertion concrete layer, extruded concrete can be arranged by tapered pile so that it is the most closely knit also
Being fully contacted base plate, more preferable support platform, on the other hand tapered pile itself can also play support platform
Effect.
The most also include that adjusting capstone pulling pressing device makes arch on-deck cave in, by coagulation soil cabin
Concrete is scattered and is laid on foundation surface the step forming concrete layer.
In steps of 5, fried by arranging on the concrete layer below cone head part of the explosive conduit in tapered pile
Medicine, packs up guide pile after detonating charge, main body is sat at the end downwards, makes tapered pile insert in concrete layer.Pass through
Explosive initiation air-free concrete layer, and on concrete layer, form quick-fried hole, further function as closely knit effect,
The end of quickly sitting of realization body, installs.
In steps of 5, fried by arranging on the concrete layer below cone head part of the explosive conduit in tapered pile
Medicine, packs up guide pile while detonating charge, main body is sat at the end downwards, makes tapered pile insert in concrete layer.
Explosive initiation forms quick-fried hole, increases tapered pile drop, makes platform sit the end more rapid, makees at inertia
Under with, the degree of depth that tapered pile inserts concrete layer is bigger, and the stability of main body is higher.
In steps of 5, packing up guide pile, main body is sat at the end downwards, makes tapered pile insert in concrete layer, logical
Crossing and arrange explosive on the concrete layer below cone head part of the explosive conduit in tapered pile, detonating charge is closely knit mixed
Solidifying soil layer.Make the concrete layer below tapered pile the most closely knit by explosive initiation, after shortening the main body seat end
Stabilization time.
In steps of 5, packing up guide pile, main body is sat at the end downwards, and the flat board below cone head part sits the end at coagulation
On soil layer, by arranging explosive on the concrete layer below cone head part of the explosive conduit in tapered pile, detonate
After explosive, tapered pile is made to insert in concrete layer.Flat board compacting leading to concrete layer can be passed through, detonate
The all right air-free concrete layer further of the insertion of explosive and tapered pile, improves main body further and sits the steady of the end
Qualitative.
The most also include extending to outside base plate by pressurization or vibration regulating device by activity tapered pile,
Make movable tapered pile insert the step in concrete layer when main body sits the end.When main body sits the end, activity taper
Stake can be inserted in concrete layer together with tapered pile, thus the concrete of abundant dense extrusion periphery, improve
Main body sits the stability at the end.
It is additionally included in steps of 5 below movable tapered pile and explosive the step detonated are set.Risen by explosive
Quick-fried the most closely knit to concrete layer, can effectively shorten the stabilization time of main body.
Movable tapered pile is made by pressurization or vibration regulating device after being additionally included in steps of 5 after main body sits the end
Insert the step in concrete layer.By the insertion of movable tapered pile, the concrete of periphery can be extruded, enter
One step air-free concrete layer.
The invention have the advantage that main body can sit the end, the filling of ground by rapid decrease under self gravitation effect
Effect is more preferable, and tapered pile both can support the weight of whole platform, it is also possible to the extruded concrete layer when inserting,
It is effectively increased the stability after main body sits the end.
Accompanying drawing explanation
Accompanying drawing 1 is the structural representation of the embodiment of the present invention 1；
Accompanying drawing 2 is the installation method schematic diagram of the embodiment of the present invention 1；
Accompanying drawing 3 is the installation method schematic diagram of the embodiment of the present invention 1；
Accompanying drawing 4 is the structural representation of tapered pile in the embodiment of the present invention 2；
Accompanying drawing 5 is the installation method schematic diagram of the embodiment of the present invention 2；
Accompanying drawing 6 is the installation method schematic diagram of the embodiment of the present invention 2；
Accompanying drawing 7 is the structural representation of the embodiment of the present invention 3；
Accompanying drawing 8 is the structural representation of the embodiment of the present invention 4；
Accompanying drawing 9 is the structural representation of the embodiment of the present invention 5；
Accompanying drawing 10 is the installation method schematic diagram of the embodiment of the present invention 5；
Accompanying drawing 11 is the installation method schematic diagram of the embodiment of the present invention 6；
Accompanying drawing 12 is the installation method schematic diagram of the embodiment of the present invention 6；
Accompanying drawing 13 is the installation method schematic diagram of the embodiment of the present invention 7；
Accompanying drawing 14 is the structural representation of the embodiment of the present invention 8；
Accompanying drawing 15 is the structural representation of arch on-deck in the embodiment of the present invention 8；
Accompanying drawing 16 is block stone and capstone attachment structure schematic diagram in the embodiment of the present invention 8；
Accompanying drawing 17 is the structural representation of the embodiment of the present invention 9；
Accompanying drawing 18 is the structural representation of concrete layer in the embodiment of the present invention 10；
Accompanying drawing 19 is the upward view of movable enclosing structure in the embodiment of the present invention 11；
Accompanying drawing 20 be in Figure 11 A-A to section view scheme of installation；
Accompanying drawing 21 be in Figure 11 A-A to section view scheme of installation；
1, main body, 2, base plate, 3, guide pile, 4, tapered pile, 5, movable enclosing structure, 6, fill
Slurry water injection hole, 7, ground, 8, explosive conduit, 9, charge tube, 10, explosive, 11, cone head part,
12, cone portion, 13, chamfered section, 14, quick-fried hole, 15, flat board, 16, dividing plate, 17, reserved stake holes,
18, movable tapered pile, 19, pressurization or vibration regulating device, 20, concrete layer, 21, arch on-deck,
22, arch on-deck support member, 23, block stone, 24, capstone, 25, capstone pulling pressing device, 26, convex
Portion, 27, groove, 28, concrete layer, 29, concrete pulp layer, 30, grinding coagulation soil or gelling coagulation
Soil layer, 31, stripe board, 32, clamping plate, 33, coagulation soil cabin.
Detailed description of the invention
Embodiment 1:
Refering to Fig. 1, for a kind of marine prefabricated platform, including the guide pile 3 arranged on the body 1,
Main body 1 is provided with the movable enclosing mechanism 5 of ground 7 below the base plate 2 of screen main body 1, in main body 1
Base plate 2 be externally provided with some tapered piles 4 vertical with the base plate 2 of main body 1, the cone head part of each tapered pile 4
11 extend outside the base plate 2 of main body 1, and cone head part 11 is circular cone or polygonal pyramid, at the base plate 2 of main body 1
It is provided with grouting water injection hole 6.
Refering to Fig. 2-3, for the installation method of a kind of marine prefabricated platform, it comprises the following steps:
Step 1: utilize islands and reefs projection reef as fulcrum, when high tide level, main body 1 is pulled by hoist engine
Preset at ground 7 to construction；
Step 2: put down guide pile 3, makes the ends contact ground 7 of guide pile 3, by main body 1 temporary support
On ground 7, now there is gap between ground 7 and base plate 2；
Step 3: put down movable enclosing mechanism 5, ground 7 screen below outside main body 1 by base plate 1
Come；
Step 4: by casting concrete on the grouting water injection hole 6 ground 7 below base plate 1, enclose in activity
Under the screen of retaining device 5, ground 7 surface below base plate 1 forms concrete layer 28；
Step 5: pack up guide pile 3, main body 1 is sat at the end downwards under gravity action of gravity, makes tapered pile 4 insert
Entering in concrete layer 28, it, when inserting, can with extruded concrete layer 28, thus be carried out close by tapered pile 4
Real.
After main body 1 sits the end, movable enclosing mechanism 5 can remove, it is also possible to retains, and improves the anti-of main body 1
Sliding stability.
Embodiment 2:
Refering to Fig. 4-6, for another kind of marine prefabricated platform, including the guide pile 3 arranged on the body 1,
It is provided with the movable enclosing mechanism 5 of ground 7 below the base plate 2 of screen main body 1 on the body 1, in main body
The base plate 2 of 1 is externally provided with some tapered piles 4 vertical with the base plate 2 of main body 1, the conehead of each tapered pile 4
Portion 11 extends outside the base plate 2 of main body 1, and cone head part 11 is circular cone or polygonal pyramid, at the end of main body 1
Plate 2 is provided with grouting water injection hole 6.It is provided with through hollow explosive conduit 8 in tapered pile 4, is led by explosive
Pipe 8 can penetrate charge tube 9, explosive 10 on the concrete layer 28 below cone head part 11.
Refering to Fig. 5-6, for the installation method of a kind of marine prefabricated platform, it comprises the following steps:
Step 1: utilize islands and reefs projection reef as fulcrum, when high tide level, main body 1 is pulled by hoist engine
Preset at ground 7 to construction；
Step 2: put down guide pile 3, makes the ends contact ground 7 of guide pile 3, by main body 1 temporary support
On ground 7, now there is gap between ground 7 and base plate 2；
Step 3: put down movable enclosing mechanism 5, ground 7 screen below outside main body 1 by base plate 2
Come；
Step 4: by casting concrete on the grouting water injection hole 6 ground 7 below base plate 1, enclose in activity
Under the screen of retaining device 5, ground 7 surface below base plate 1 forms concrete layer 28；
Step 5: first the explosive conduit 8 in tapered pile 4 penetrates charge tube 9, below cone head part 11
Concrete layer 28 upper type explosive 10, can form quick-fried hole 14 on concrete layer 28 after detonating charge 10,
Can pack up guide pile 3 after detonating charge 11 or simultaneously, main body 1 is sat downwards under gravity action of gravity
The end, make tapered pile 4 insert in concrete layer 28, tapered pile 4 insert time, can with extruded concrete layer 28,
Thus it is carried out closely knit, process at the bottom of the seat of main body 1 can be accelerated simultaneously, improve the stability after sitting the end.
Additionally, in steps of 5, it is also possible to first regain guide pile 3, when tapered pile 4 inserts concrete layer 28
Time interior, then penetrate charge tube 9 by explosive conduit 8, concrete layer 28 upper type below cone head part 11
Explosive 10, makes concrete layer 28 be extruded by detonating charge 10 closely knit, promotes tapered pile 4 to drive main body
1 continues to fall, and reduces the stabilization time after main body 1 sits the end.
Embodiment 3,
Refering to Fig. 7, for a kind of marine prefabricated platform, including the guide pile 3 arranged on the body 1,
Main body 1 is provided with the movable enclosing mechanism 5 of ground 7 below the base plate 2 of screen main body 1, in main body 1
Base plate 2 be externally provided with some tapered piles 4 vertical with the base plate 2 of main body 1, the cone head part of each tapered pile 4
11 extend outside the base plate 2 of main body 1, and cone head part 11 is circular cone or polygonal pyramid, at the base plate 2 of main body 1
It is provided with grouting water injection hole 6.Other technologies feature is same as in Example 1, does not repeats them here.
Embodiment 4:
Refering to Fig. 8, for a kind of marine prefabricated platform, including the guide pile 3 arranged on the body 1,
Main body 1 is provided with the movable enclosing mechanism 5 of ground 7 below the base plate 2 of screen main body 1, in main body 1
Base plate 2 be externally provided with some tapered piles 4 vertical with the base plate 2 of main body 1, the cone head part of each tapered pile 4
11 extend outside the base plate 2 of main body 1, and cone head part 11 is circular cone or polygonal pyramid, at the base plate 2 of main body 1
It is provided with grouting water injection hole 6.In the present embodiment, cone head part 11 is connected with base plate 2 by cone portion 12, cone
Body 12 is cylinder or multiedge cylinder, and cone portion 12 and base plate 2 junction are provided with chamfered section 13.Other
Technical characteristic is same as in Example 1, does not repeats them here.
Embodiment 5:
Refering to Fig. 9, for a kind of marine prefabricated platform, including the guide pile 3 arranged on the body 1,
Main body 1 is provided with the movable enclosing mechanism 5 of ground 7 below the base plate 2 of screen main body 1, in main body 1
Base plate 2 be externally provided with the tapered pile 4 that the base plate 2 of some and described main body 1 is vertical, the cone of each tapered pile 4
Head 11 extends outside the base plate 2 of main body 1, and cone head part 11 is circular cone or polygonal pyramid, in main body 1
Base plate 2 is provided with grouting water injection hole 6.Flat board 15 it is provided with below cone head part 11.
Refering to Figure 10, the installation method of this sea prefabricated platform, comprise the following steps:
Step 1: utilize islands and reefs projection reef as fulcrum, when high tide level, main body 1 is pulled by hoist engine
Preset at ground 7 to construction；
Step 2: put down guide pile 3, makes the ends contact ground 7 of guide pile 3, by main body 1 temporary support
On ground 7, now there is gap between ground 7 and base plate 2；
Step 3: put down movable enclosing mechanism 5, ground 7 screen below outside main body 1 by base plate 2
Come；
Step 4: by casting concrete on the grouting water injection hole 6 ground 7 below base plate 1, enclose in activity
Under the screen of retaining device 5, ground 7 surface below base plate 1 forms concrete layer 28；
Step 5: pack up guide pile 3, main body 1 is sat at the end downwards under gravity action of gravity, makes tapered pile 4 times
The flat board 15 of side is pressed on concrete layer 28, tamps concrete layer 28, limits taper simultaneously
The insertion of stake 4, now the explosive conduit 8 in tapered pile 4 penetrates charge tube 9, below cone head part 11
Concrete layer 28 upper type explosive 10, detonating charge 10 rear plate 16 crushes, simultaneously can be at concrete layer
Forming quick-fried hole 14 on 28, under main body 1 self gravitation effect, tapered pile 4 inserts in concrete layer 28,
It can be made closely knit by extruded concrete layer 28 when inserting, the main body 1 of whereabouts can also to concrete layer 28 again
Tamp, thus improve main body 1 and sit the stability at the end.
Embodiment 6:
Refering to Figure 11-12, for a kind of marine prefabricated platform, including the guide pile 3 arranged on the body 1,
It is provided with the movable enclosing mechanism 5 of ground 7 below the base plate 2 of screen main body 1 on the body 1, in main body
The base plate 2 of 1 is externally provided with some tapered piles 4 vertical with the base plate 2 of main body 1, the conehead of each tapered pile 4
Portion 11 extends outside the base plate 2 of main body 1, and cone head part 11 is circular cone or polygonal pyramid, at the end of main body 1
Plate 2 is provided with grouting water injection hole 6.Its base plate 2 is in broadening formation.
This sea prefabricated platform is when sitting the end, and the both sides of its base plate 2 can also be fully contacted concrete layer 28,
Add the area that base plate 2 contacts with concrete layer 28, improve frictional force, also can fill when sitting the end simultaneously
Divide extruding rammed concrete layer 28, improve the stability sitting the end.Other technologies feature is same as in Example 1,
Do not repeat them here.
Embodiment 7:
Refering to Figure 13, for a kind of marine prefabricated platform, including the guide pile 3 arranged on the body 1,
Main body 1 is provided with the movable enclosing mechanism 5 of ground 7 below the base plate 2 of screen main body 1, in main body 1
Base plate 2 be externally provided with some tapered piles 4 vertical with the base plate 2 of main body 1, the cone head part of each tapered pile 4
11 extend outside the base plate 2 of main body 1, and cone head part 11 is circular cone or polygonal pyramid, at the base plate 2 of main body 1
It is provided with grouting water injection hole 6.Its base plate 2 is in broadening formation.Dividing plate 16 it is provided with, at dividing plate in main body 1
It is provided with through reserved stake holes 17 between 16 and base plate 2, in reserved stake holes 17, is provided with movable tapered pile 18,
Dividing plate 16 is provided with pressurization or vibration regulating device that driving activity taper 18 is moved along reserved stake holes 17
19.Other structures are same as in Example 1, do not repeat them here.When this sea prefabricated platform is when sitting the end,
The length outside base plate 2 can be extended to by pressurization or vibration regulating device 19 regulation activity tapered pile 18,
Insert in concrete layer 28 after main body 1 sits the end, thus concrete layer 28 is extruded close further
Real, after completing operation, movable tapered pile 18 is recoverable to, it is also possible to continue to remain inserted into state, rises
To effect that is fixing and that support.Or before main body 1 sits the end, first pass through pressurization or vibration regulating device 19
Activity tapered pile 18 is extended to outside base plate 2, insert when main body 1 sits the end mixed together with tapered pile 4
In solidifying soil layer 28.On concrete layer 28 below movable tapered pile 18, explosive can also be set, rise
Form quick-fried hole after quick-fried, make the insertion distance of movable tapered pile 18 strengthen, be conducive to making the quick of main body 1
Sit the end.
Embodiment 8:
Refering to Figure 14-16, for a kind of marine prefabricated platform, including the guide pile 3 arranged on the body 1,
It is provided with the movable enclosing mechanism 5 of ground 7 below the base plate 2 of screen main body 1 on the body 1, in main body
The base plate 2 of 1 is externally provided with some tapered piles 4 vertical with the base plate 2 of main body 1, the conehead of each tapered pile 4
Portion 11 extends outside the base plate 2 of main body 1, and cone head part 11 is circular cone or polygonal pyramid, at the end of main body 1
Plate 2 is provided with grouting water injection hole 6.Being provided with coagulation soil cabin 33 below base plate 2, this coagulation soil cabin 33 is the end of by
Plate 2 and at least one arch on-deck 21 surround and form, and are wherein provided with connection arch on-deck 21 below base plate 2
The arch on-deck support member 22 of end, each arch on-deck 21 taken block by block stone 23 and capstone 24 and forms,
And between capstone 24 and base plate 2, it is provided with capstone pulling pressing device 25.The vertical cross-section of arch on-deck 21 in
Upper arch or lower arch.Upper arch on-deck is not take up main body underlying space, is conducive to keeping the hydrodynamic force of main body
Characteristic, in lower arch on-deck, capstone is easier to be released, and is conducive to accelerating concrete rate of release.At block
Protuberance 26 and the groove 27 coordinated with this protuberance 26 it is respectively equipped with on the two sides that stone 23 is relative.Pass through coagulation
Soil cabin 33 can carry concrete powder, is noted by grouting water injection hole 6 when sitting the end in coagulation soil cabin 33
Water, forms concrete, adjusts capstone pulling pressing device 25 and makes arch on-deck 21 cave in, by coagulation soil cabin 33
Interior concrete is scattered and is laid on ground 1 surface formation concrete layer 28.
Other technologies feature is same as in Example 1, does not repeats them here.
Embodiment 9:
Refering to Figure 17, for a kind of marine prefabricated platform, including the guide pile 3 arranged on the body 1,
Main body 1 is provided with the movable enclosing mechanism 5 of ground 7 below the base plate 2 of screen main body 1, in main body 1
Base plate 2 be externally provided with some tapered piles 4 vertical with the base plate 2 of main body 1, the cone head part of each tapered pile 4
11 extend outside the base plate 2 of main body 1, and cone head part 11 is circular cone or polygonal pyramid, at the base plate 2 of main body 1
It is provided with grouting water injection hole 6.Being provided with coagulation soil cabin 33 below base plate 2, this coagulation soil cabin 33 is by base plate 2
Surround with at least one arch on-deck 21 and form, below base plate 2, be wherein provided with connection arch on-deck 21 end
The arch on-deck support member 22 in portion, each arch on-deck 21 taken block by block stone 23 and capstone 24 and forms, and
Capstone pulling pressing device 25 it is provided with between capstone 24 and base plate 2.Its base plate 2 is in broadening formation.Other skills
Art feature is same as in Example 1, does not repeats them here.
Embodiment 10:
Refering to Figure 18, for the structure of the concrete layer 28 of marine prefabricated platform, it sets in the lower section of main body 1
Put, including concrete pulp layer 29 and grinding coagulation soil or the latex concrete layer 30 being positioned at internal layer of outer layer.Also
Can all use concrete grout 29 to build concrete layer 28, or use grinding coagulation soil or latex concrete
Build concrete layer 28.Other technologies feature is same as in Example 1, does not repeats them here.
Embodiment 11:
Refering to Figure 19-21, for the movable enclosing structure of a kind of marine prefabricated platform, this movable enclosing mechanism 5
Including stripe board 31 and two clamping plate 32 being set in parallel on main body 1 side, wherein stripe board 31 is vertical
It is located between the sidewall of clamping plate 32 and main body 1, and can move up and down along main body 1 sidewall.
When main body 1 moves to default ground 7, put down stripe board 31 so that it is bottom contact ground 7 table
Face, thus ground 7 screen below main body 1 base plate 2 is got up, can be formed by casting concrete wherein
Concrete layer 28.In the present embodiment can by use adjust clamping plate 32 and main body 1 sidewall spacers in the way of control strip
The stroke of shape plate 31, it is also possible to the controlling organizations such as draw-in groove are set and adjust the falling stroke of stripe board 31.Additionally,
For the situation that ground 7 surface undulation is bigger, it is also possible to adjust the width of stripe board 31, thus formed closeer
Real enclosing.Other technologies feature is same as in Example 1, does not repeats them here.
Above-listed detailed description is illustrating for one of present invention possible embodiments, and this embodiment is not used
To limit the scope of the claims of the present invention, all equivalences done without departing from the present invention are implemented or change, all should comprise
In the scope of the claims of this case.
Claims (21)
1. a marine prefabricated platform, including the guide pile being arranged in main body, it is characterised in that: described master
Body is provided with the movable enclosing mechanism of ground below main body base plate described in enclosing, at the base plate of described main body
Being externally provided with the tapered pile that some and described main body base plate is vertical, the cone head part of each tapered pile is at the bottom of described main body
Extend outside plate, and cone head part be circular cone or polygonal pyramid, is provided with grouting water injection hole on the base plate of described main body,
Through hollow explosive conduit it is provided with in described tapered pile.
A kind of marine prefabricated platform the most according to claim 1, it is characterised in that: described movable enclosing machine
Structure includes clamping plate and the stripe board being arranged on described main body side, and wherein stripe board is vertically located in clamping plate and institute
State between main body wall, and can move up and down along described main body wall.
A kind of marine prefabricated platform the most according to claim 1, it is characterised in that: the cone of described tapered pile
Lower head is provided with flat board.
A kind of marine prefabricated platform the most according to claim 1, it is characterised in that: described cone head part is provided with
The cone portion being connected with described base plate, cone portion is cylindrical or multiedge cylinder.
A kind of marine prefabricated platform the most according to claim 4, it is characterised in that: described cone portion and institute
State back plate connections and be provided with chamfered section.
A kind of marine prefabricated platform the most according to claim 1, it is characterised in that: set in described main body
There is dividing plate, between dividing plate and described base plate, be provided with through reserved stake holes, in reserved stake holes, be provided with activity
Tapered pile, is provided with pressurization or vibration regulating device that driving activity tapered pile moves along reserved stake holes on dividing plate.
7. according to a kind of marine prefabricated platform described in claim 1 or 2 or 3 or 4 or 5, it is characterised in that:
Described base plate is broadening formation.
A kind of marine prefabricated platform the most according to claim 1, it is characterised in that: below described base plate
Being provided with coagulation soil cabin, this coagulation soil cabin is surrounded by described base plate and at least one arch on-deck and is formed, Qi Zhong
Be provided with the arch on-deck support member connecting arch cabin end face below described base plate, each arch on-deck by block stone and
Capstone is taken block and is formed, and is provided with capstone pulling pressing device between capstone and described base plate.
A kind of marine prefabricated platform the most according to claim 8, it is characterised in that: described arch on-deck
Vertical cross-section presents arch or lower arch.
A kind of marine prefabricated platform the most according to claim 8, it is characterised in that: relative at described block of stone
Two sides on be respectively equipped with protuberance and the groove coordinated with this protuberance.
The installation method of 11. 1 kinds of marine prefabricated platforms as claimed in claim 1, it is characterised in that: it includes
Following steps: step 1: at the default ground that tows to main body to construct；Step 2: put down guide pile, will be main
Body is temporarily supported above on ground；Step 3: put down movable enclosing mechanism, by the ground enclosing below main body base plate
Get up；Step 4: water injection hole foundation surface below base plate forms concrete layer by being in the milk；Step 5:
Packing up guide pile, main body is sat at the end downwards, makes tapered pile insert in concrete layer.
The installation method of 12. marine prefabricated platforms according to claim 11, it is characterised in that: described
It is provided with dividing plate in main body, between dividing plate and described base plate, is provided with through reserved stake holes, in reserved stake holes
It is provided with movable tapered pile, dividing plate is provided with pressurization or vibration that driving activity tapered pile moves along reserved stake holes
Adjusting means.
The installation method of 13. a kind of marine prefabricated platforms according to claim 11, it is characterised in that:
Being provided with coagulation soil cabin below described base plate, this coagulation soil cabin is surrounded by described base plate and at least one arch on-deck
Form, below described base plate, be wherein provided with the arch on-deck support member connecting arch cabin end face, each arch
On-deck is taken block by block stone and capstone and is formed, and is provided with capstone pulling pressing device between capstone and described base plate.
The installation method of 14. a kind of marine prefabricated platforms according to claim 11, it is characterised in that:
In step 5, by arranging explosive on the concrete layer below cone head part of the explosive conduit in tapered pile, rise
Packing up guide pile after bursting charge, main body is sat at the end downwards, makes tapered pile insert in concrete layer.
The installation method of 15. a kind of marine prefabricated platforms according to claim 11, it is characterised in that:
In step 5, by arranging explosive on the concrete layer below cone head part of the explosive conduit in tapered pile, rise
Packing up guide pile while bursting charge, main body is sat at the end downwards, makes tapered pile insert in concrete layer.
The installation method of 16. a kind of marine prefabricated platforms according to claim 11, it is characterised in that:
In step 5, packing up guide pile, main body is sat at the end downwards, makes tapered pile insert in concrete layer, passes through taper
Explosive conduit in Zhuan arranges explosive, detonating charge air-free concrete layer on the concrete layer below cone head part.
The installation method of 17. a kind of marine prefabricated platforms according to claim 11, it is characterised in that:
In step 5, packing up guide pile, main body is sat at the end downwards, and flat board below cone head part sits the end on concrete layer,
By arranging explosive on the concrete layer below cone head part of the explosive conduit in tapered pile, after detonating charge,
Tapered pile is made to insert in concrete layer.
The installation method of 18. a kind of marine prefabricated platforms according to claim 12, it is characterised in that:
Step 5 also includes extend to outside base plate by activity tapered pile, in main body by pressurization or vibration regulating device
Movable tapered pile is made to insert the step in concrete layer when sitting the end.
The installation method of 19. a kind of marine prefabricated platforms according to claim 18, it is characterised in that:
Step 5 is additionally included in below movable tapered pile and explosive the step detonated are set.
The installation method of 20. a kind of marine prefabricated platforms according to claim 12, it is characterised in that:
Being additionally included in step 5 after main body sits the end makes movable tapered pile insert coagulation by pressurization or vibration regulating device
Step in soil layer.
The installation method of 21. a kind of marine prefabricated platforms according to claim 20, it is characterised in that:
Step 5 is additionally included in below movable tapered pile and explosive the step detonated are set.
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| CN201410111008.5A CN103911978B (en) | 2014-03-24 | 2014-03-24 | A kind of marine prefabricated platform and installation method thereof |
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| CN201410111008.5A CN103911978B (en) | 2014-03-24 | 2014-03-24 | A kind of marine prefabricated platform and installation method thereof |
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| CN103911978B true CN103911978B (en) | 2016-08-17 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105089949B (en) * | 2015-09-15 | 2018-03-20 | 中国电建集团昆明勘测设计研究院有限公司 | One kind inflation transport hydraulic pressure stake fixed offshore wind power tower basis |
| CN105350508B (en) * | 2015-09-29 | 2017-10-31 | 广州中国科学院工业技术研究院 | Prefabricated fixed offshore platform and installation method |
| CN105201007B (en) * | 2015-09-29 | 2018-09-25 | 广州中国科学院工业技术研究院 | A kind of structures and its construction method on mud flat |
| CN107288156B (en) * | 2017-07-27 | 2020-12-22 | 平湖市开元混凝土股份有限公司 | Construction method of underground special-shaped water pool |
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| JPH0913347A (en) * | 1995-06-29 | 1997-01-14 | Maeda Corp | Waterside concrete structure and construction method thereof |
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