CN107882055A - A kind of construction method of blower fan cushion cap - Google Patents
A kind of construction method of blower fan cushion cap Download PDFInfo
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- CN107882055A CN107882055A CN201711115097.0A CN201711115097A CN107882055A CN 107882055 A CN107882055 A CN 107882055A CN 201711115097 A CN201711115097 A CN 201711115097A CN 107882055 A CN107882055 A CN 107882055A
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- steel
- cushion cap
- blower fan
- outrigger
- jacket box
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/32—Foundations for special purposes
- E02D27/42—Foundations for poles, masts or chimneys
- E02D27/425—Foundations for poles, masts or chimneys specially adapted for wind motors masts
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- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Piles And Underground Anchors (AREA)
Abstract
The present invention relates to a kind of construction method of blower fan cushion cap, the blower fan cushion cap is located at the top of steel-pipe pile, comprises the following steps：Steel jacket box is manufactured first；Then the steel jacket box is arranged at the top of the steel-pipe pile；Laying construction is carried out to the bottom plate of the steel jacket box, and after a phase reinforcing bar is installed on the bottom plate, the blower fan cushion cap fist stage concrete is poured, the bottom of the steel jacket box is formed armored concrete；Remove bottom truss and outrigger in the steel jacket box；The second stage of reinforcing bar is installed on the fist stage concrete, the blower fan cushion cap second stage concrete is poured, after forming armored concrete after the top of the steel jacket box, removes the side wall of the steel jacket box.The present invention not only reduces the difficulty of construction, reduces construction period, and the blower fan cushion cap is stabilized on the steel-pipe pile.
Description
Technical field
The present invention relates to technical field of wind power generation, refers in particular to a kind of construction method of blower fan cushion cap.
Background technology
China's oceanic area is vast, and offshore wind energy resource enriches, and the potential using sea wind wind-power electricity generation is very big, in recent years
With the development and application of wind-powered electricity generation new technology, new material and new technology, there is the sea that power density is big and ability is stable
Wind-powered electricity generation just enters Large scale construction climax.
Offshore wind farm is generally open sea environment of the offshore more than 10 kilometers as a kind of novel energy, current domestic addressing,
Offshore wind turbine foundation is divided into single-pile foundation, more pile foundations at present（That is High-Rise Pile Cap Foundation）, gravity type contact, conduit
Frame basis, suction type cylindrical foundation etc., High-Rise Pile Cap Foundation application percentage is in rising trend at present.
High-rise pile cap realizes the installation of offshore wind turbine, not only contributes to reduce the influence of wave, improves construction
Efficiency, and be advantageous to improve the precision of assembling.However, the construction of existing High-Rise Pile Cap Foundation, due to construction marine site from
Bank is remote, high for the construction requirement of mass concrete, so as to cause complicated working procedure, execution conditions limitation and construction period
The problems such as long.
The content of the invention
Therefore, the technical problems to be solved by the invention are to overcome the difficulty of construction of High-Rise Pile Cap Foundation in the prior art
Greatly, the problem of causing low construction efficiency, is small so as to provide a kind of difficulty of construction, ensures High-Rise Pile Cap Foundation installation to the full extent
The construction method of the blower fan cushion cap of stability.
In order to solve the above technical problems, a kind of construction method of blower fan cushion cap of the present invention, the blower fan cushion cap are located at steel
At the top of pile tube, comprise the following steps：Step S1：Steel jacket box is manufactured, wherein the steel jacket box includes cylindrical side wall, is located at
The truss of the sidewall bottom and the outrigger in the side wall, wherein the outrigger includes upper outrigger and on described
Lower outrigger below outrigger, and the upper outrigger is connected with the lower outrigger, the lower outrigger passes through hangs muscle phase with the truss
Even；Step S2：The steel jacket box is arranged at the top of the steel-pipe pile, the lower outrigger is located at the stake top of the steel-pipe pile
On；Step S3：Laying construction is carried out to the bottom plate of the steel jacket box, and after a phase reinforcing bar is installed on the bottom plate, to described
Blower fan cushion cap fist stage concrete is poured, and the bottom of the steel jacket box is formed armored concrete；Step S4：Remove the purlin
Frame and the outrigger；Step S5：The second stage of reinforcing bar is installed on the fist stage concrete, the blower fan cushion cap second stage concrete is entered
Row pours, and after forming armored concrete after the top of the steel jacket box, removes the side wall.
In one embodiment of the invention, also include measuring positioning to the blower fan cushion cap before the step S1
The step of.
In one embodiment of the invention, manufacture assistance platform is also included in the step S1, wherein the auxiliary is flat
Platform is arranged on by the blower fan cushion cap, makes the blower fan cushion cap close to the assistance platform.
In one embodiment of the invention, after assistance platform installation, on the steel-pipe pile installation by ship facility,
Anti-collision structure and cable tube.
In one embodiment of the invention, in the step S2, the steel jacket box is arranged on the steel-pipe pile
Method is：Using the girder steel girder sideline of the steel jacket box as control sideline, the sign installation positioning in the stake top of the steel-pipe pile
Mark, it is using crane ship that the steel jacket box integral installation is in place.
In one embodiment of the invention, before the steel jacket box integral installation, completed on the crane ship overall
Assembly, and connected between the lower outrigger and the truss by fining twisted steel and channel-section steel.
In one embodiment of the invention, after the completion of the steel jacket box integral installation, by the channel-section steel by all steel
Pile tube is connected integral with the outrigger.
In one embodiment of the invention, in the step S3, when being constructed to the bottom plate of the steel jacket box, first exist
Lattice coral is laid on the truss, then lays bamboo slab rubber on the lattice coral, reinforcing bar is installed on the bamboo slab rubber, and colligation into
Type.
In one embodiment of the invention, in the step S4, the method for removing the truss and the outrigger is as follows：
First by the spacing dismounting in the bottom of the side wall, the side wall is set to be disengaged with the truss；Then, the lower outrigger top is unclamped
Straight hangs muscle nut, make the truss under Gravitative Loads slowly decentralization one segment distance；Secondly the bottom plate is removed, and block-by-block is put
Put on cargo ship, after bottom plate dismounting, remove the truss, then hang out truss decentralization.
In one embodiment of the invention, after the second stage of reinforcing bar being installed in the step S5, built-in fitting is constructed, its
Described in built-in fitting include pre-stressed bolt sub-assembly and monitoring temperature sensor.
The above-mentioned technical proposal of the present invention has advantages below compared with prior art：
The construction method of blower fan cushion cap of the present invention, be advantageous to the blower fan cushion cap being fixed on institute by the steel jacket box
State on steel-pipe pile, reduce the difficulty of construction and reduce construction period；Poured in addition, carrying out layering to concrete in the blower fan cushion cap
Operation is built, can not only reduce difficulty of construction, and work efficiency can be effectively improved.
Brief description of the drawings
In order that present disclosure is more likely to be clearly understood, specific embodiment and combination below according to the present invention
Accompanying drawing, the present invention is further detailed explanation, wherein
Fig. 1 is the construction method flow chart of blower fan cushion cap of the present invention；
Fig. 2 is the perspective cross section schematic diagram of steel jacket box of the present invention；
Fig. 3 is the schematic diagram of bottom plate truss of the present invention；
Fig. 4 is the top view of blower fan cushion cap of the present invention and the assistance platform；
Fig. 5 is the side view of assistance platform of the present invention.
Embodiment
As shown in Fig. 1 and Fig. 2 and Fig. 3, the present embodiment provides a kind of construction method of blower fan cushion cap, the blower fan cushion cap
10, positioned at the top of steel-pipe pile 40, comprise the following steps：In the step S1, steel jacket box 30 is manufactured, wherein the steel jacket box 30 wraps
Cylindrical side wall 31, the truss 32 positioned at the bottom of side wall 31 and the outrigger in the side wall 31 are included, wherein
The outrigger includes the upper outrigger 33A and lower outrigger 33B below the upper outrigger 33A, and the upper outrigger 33A with it is described
Lower outrigger 33B is connected, and the lower outrigger 33B is connected with the truss 32 by hangs muscle；In the step S2, by the steel jacket box
30 are arranged on the top of steel-pipe pile 40, the lower outrigger 33B is located in the stake top of the steel-pipe pile 40；The step S3
In, laying construction is carried out to the bottom plate of the steel jacket box 30, and after a phase reinforcing bar is installed on the bottom plate, the blower fan is held
The fist stage concrete of platform 10 is poured, and the bottom of the steel jacket box 30 is formed armored concrete；In the step S4, institute is removed
State truss 32 and the outrigger；In the step S5, the second stage of reinforcing bar is installed on the fist stage concrete, to the blower fan cushion cap
10 second stage concretes are poured, and after forming armored concrete after the top of the steel jacket box 30, remove the side wall 31.
The construction method of blower fan cushion cap described in the present embodiment, the blower fan cushion cap 10 are located at the top of steel-pipe pile 40, the step
In rapid S1, steel jacket box 30 is manufactured, is advantageous to the blower fan cushion cap 10 being fixed on the steel-pipe pile 40 by the steel jacket box 30
On, reduce the difficulty of construction and reduce construction period, wherein the steel jacket box 30 includes cylindrical side wall 31, positioned at described
The truss 32 of the bottom of side wall 31 and the outrigger in the side wall 31, wherein the side wall 31 is surrounded by multiple template, institute
Stating outrigger includes the upper outrigger 33A and lower outrigger 33B below the upper outrigger 33A, and the upper outrigger 33A with it is described under
Outrigger 33B is connected, and the lower outrigger 33B is connected with the truss 32 by hangs muscle, is had by the truss 32 and the outrigger
The blower fan cushion cap 10 is poured beneficial to layering；In the step S2, the steel jacket box 30 is arranged on the steel-pipe pile
40 tops, make the lower outrigger 33B be located in the stake top of the steel-pipe pile 40, so as to be advantageous to be fixed on the steel jacket box 30
On the steel-pipe pile 40；In the step S3, the bottom plate of the steel jacket box 30 is constructed, and one is installed on the bottom plate
After phase reinforcing bar, the fist stage concrete of blower fan cushion cap 10 is poured, the bottom of the steel jacket box 30 is formed reinforced concrete
Soil；In the step S4, the truss 32 and the outrigger are removed, is advantageous to continue to pour the blower fan cushion cap 10；
In the step S5, the second stage of reinforcing bar is installed on the fist stage concrete, the second stage concrete of blower fan cushion cap 10 is poured
Build, after forming armored concrete after the top of the steel jacket box 30, the side wall 31 is removed, due to the single blower fan cushion cap 10
Concrete square amount is big, relative to primary concreting, by the placement layer by layer operation, can not only reduce difficulty of construction, and
Work efficiency can be effectively improved, the blower fan cushion cap 10 is fixed on the steel-pipe pile 40.
It refer to shown in Fig. 4 and Fig. 5, it is contemplated that marine site stormy waves condition is very big on foundation construction influence, to ensure engineering
Quality, safety and duration, the change innovation construction method waterborne into " land " is formulated, i.e., has been set by the blower fan cushion cap foundation
One assistance platform, a crawler crane is set on the assistance platform.In this implementation, the assistance platform 20 is responsible for blower fan cushion cap
10 Superstructure Construction, including steel jacket box peace is torn open, the lifting of reinforcing bar and pre-buried structure, construction equipment handling etc., and and lifting
The coordinative construction of ship.The High-Rise Pile Cap Foundation is constructed by the assistance platform, because the assistance platform can base
This realizes " land construction " of cushion cap superstructure, so as to advantageously reduce influence of the marine stormy waves to construction, significantly improves
Installation efficiency.
The assistance platform 20 uses jacket structure, overall spicing forming type, not only convenient construction in factory, operating condition
It is good, and processing progress can effective control, ensure quality.Specifically, the assistance platform 20 includes jacket 21, auxiliary pile
25th, shaped steel, aisle steel plate, steel mesh piece and railing etc., wherein the jacket 21 is in case shape, in the vertical direction on toward
Under be provided with the first cross bar 22, the second cross bar 23 and the 3rd cross bar 24 according to this, second cross bar 23 is in design lowest stage
Hereinafter, so that the pile bearing capacity of the jacket 21, buoyancy, buoyant unit weight uplift force just with it is dead-weight balanced；Described 3rd is horizontal
Bar 24 is anti-settling bracing piece, is arranged on the lower end of the jacket 21, and the anti-settling bracing piece is goed deep into mud, by described
Anti-settling bracing piece advantageously ensures that stability during installation.In addition, also set between the jacket 21 and first cross bar 22
There is diagonal brace, the diagonal brace uses steel pipe.The use seat of the jacket 21 bottom mounting process, consider the platform of jacket 21 oneself
Stability energy, its nine supporting legs need to suitably insert certain depth in mud.Because the combined platform weight of jacket 21 weighs tons up to a hundred,
Its own buoyancy and anti-settling ability should be considered, to reduce depth in supporting leg insertion mud, beneficial to the auxiliary pile 25
Lifting work after having beaten.
In order to ensure the stabilization of the assistance platform 20, it is separately installed with 9 node locations of the jacket 21 auxiliary
Stake 25 is helped, and the method for installing the auxiliary pile 25 is as follows：Sleeve pipe, Mei Gesuo are equipped with node 1, node 2 to node 9
Installation auxiliary pile 25 in sleeve pipe is stated, is bottomed out when wherein described sleeve pipe is installed, so as to ensure the mud face in described sleeve pipe contact seabed,
Be advantageous to the stabilization of the jacket 21.Specifically, first it is inserted vertically into the sleeve pipe of four corner points of the jacket 21
Four auxiliary piles 25, i.e., four auxiliary piles 25 are inserted respectively in the sleeve pipe at node 1, node 3, node 7 and node 9, passed through
Vibration hammer beats four auxiliary piles 25 to designed elevation, and it is to designed elevation and auxiliary by described four to lift the jacket 21
Help stake 25 to be fixed in the sleeve pipe of jacket 21, then hang up and beat remaining auxiliary pile 25 and be fixed on remaining auxiliary pile 25 described
On the sleeve pipe of jacket 21, by first installing the auxiliary pile 25 of four corner points, then the auxiliary pile 25 at other positions is installed, both
The auxiliary pile 25 and described sleeve pipe are sprained firm situation when can prevent the jacket 21 from above carrying, and are advantageously reduced
Difficulty of construction, so as to accelerate the progress of construction, the following detailed description of.
The method that four auxiliary piles 25 are inserted vertically into the sleeve pipe of four corner points of the jacket 21 is as follows：Pass through
Crane ship slings the auxiliary pile 25, and the auxiliary pile 25 is inserted in the sleeve pipe of jacket 21, and then crane ship, which is sling, shakes
Dynamic hammer, makes the fixture of the vibration hammer that the fixture are caught in into stake top and clamped, finally opened close to the top of the auxiliary pile 25
Dynamic vibration hammer shakes the auxiliary pile 25 successively is sink to designed elevation.In order that the auxiliary pile 25 is fixed on the jacket 21
It is interior, lift the jacket 21 to designed elevation and four auxiliary piles 25 are fixed on method in the jacket 21 such as
Under：Inserted after the jacket 21 is promoted to designed elevation, in the through hole on the sleeve pipe of the jacket 21 and shelve beam, make institute
Four auxiliary piles 25 are stated positioned at the lower section for shelving beam, so as to ensure that auxiliary pile 25 is always positioned in described sleeve pipe.
The method that remaining auxiliary pile 25 is fixed on the jacket 21 is as follows：Opened on the remaining auxiliary pile 25
Hole forms mounting hole, and the mounting hole on the remaining auxiliary pile 25 is directed at the through hole on the inner sleeve of jacket 21, i.e.,
By the through-hole alignment on the sleeve pipe of node 2, node 8, node 4, node 5 and the opening position of node 6 each on the auxiliary pile 25
Mounting hole, then corresponding beam of shelving is passed through into the mounting hole, the remaining auxiliary pile 25 is fixed on the jacket 21
On.Wherein described shelve can utilize metal mat jail at existing discrepancy in elevation gap between beam and duct, so as to ensure the auxiliary
The stability of stake 25.Because four auxiliary piles 25 of four corner points do not need perforate, by lifting the jacket 21 to setting
Count absolute altitude, by four auxiliary piles 25 be fixed on it is described shelve the lower section of beam, therefore reduce perforate time and holes pair
The accurate time so that construction is simple, effectively increase efficiency of construction.
When the assistance platform 20 is installed, the jacket 21 is hung to the position for performing mark in advance using crane ship,
Make the jacket 21 close to the starboard of station keeping ship, when the position of center line on the jacket 21 and the ship side of the station keeping ship
When outer center line overlaps, will slowly it be transferred after the leveling of jacket 21 to design altitude, after the jacket 21 is stable
Break off relations, subsequently into the construction stage of auxiliary pile 25, so as to advantageously ensure that the stabilization of the assistance platform 20.In addition, described
The both sides of jacket 21 are additionally provided with traction cable wind rope, for preventing the jacket 21 from occurring significantly to shake when mounted
It is dynamic.After the jacket 21 is installed in place, steel wire rope should be utilized to refute to form traction by the jacket 21 and positioning, it is interim to add
Gu.Wherein, it is necessary to be positioned to the jacket 21 before the jacket 21 is installed, specific localization method is：By two
GPS instrument flows station is in station keeping ship（The station keeping ship leans on the side of plunging into the commercial sea of the jacket 21）Deck on measuring go out the conduit
Two installation sidelines of frame 21, and the straight line that two GPS centres are formed is parallel with ship side outer, instrument spacing is more than auxiliary
Platform size, two GPS instruments and the vertical range of ship side outer are measured, positioning ship side is put down with the side of jacket 21
OK, in two GPS instrument centered positions, mark with ship side outer it is perpendicular portray line, measure two GPS instruments respectively
Center is to the vertical range for portraying line.
The function of the assistance platform 20 and effect include：As the stacking of cushion cap reinforcing bar semi-finished product, fragmentary steel bar meter point,
Built-in fitting is stacked, provides crawler crane job platform, set the interim rest area of worker, set tool crib and construction equipment warehouse
Deng being put for oxygen-acetylene on assistance platform by specification, interim with personnel rest area keeps certain distance, pacifies on assistance platform
A crawler crane is filled, is responsible for the installation of cushion cap cable tube, berthing member and cat ladder installation, the installation of steel jacket box template and dismounting, steel
Transfer lifting of muscle lifting, built-in fitting lifting, and material etc..Because the assistance platform can realize cushion cap superstructure substantially
" land construction ", effectively reduce influence of the stormy waves to top bearing platform construction.
After the assistance platform 20 is installed, installed on the steel-pipe pile 40 and lean on ship facility, anti-collision structure and cable tube.
Specifically, the cable tube is cable J-type pipe, and integral manufacturing is molded inside for the cable J-type pipe and the anti-collision structure.
After pile sinking, mount point is transported to by cargo ship, is being mounted to using the crawler crane on the assistance platform 20 described in design
On steel-pipe pile 40 and it is stoppered wedge plug and fixes, then completes the fixed work of installation according to design requirement.
In the steel jacket box 30, connected between the upper outrigger 33A and the lower outrigger 33B by vertical rod with slash, institute
The processing and fabricating by land of steel jacket box 30 is stated, integrally falls to refute haul to in-site installation.It is connected by screw bolts between the template, it is described
Connected between girder truss bracket and the template by latch.Using customization rubber strip piece sealing, it is ensured that structure is water-tight, no
Infiltration.Before the steel jacket box 30 goes out fortune, installation position is indicated on casing, the steel jacket box 30 refutes water-borne transport extremely using transporter
Job site.
It is by the method that the steel jacket box 30 is arranged on the steel-pipe pile 40：With the girder steel girder side of the steel jacket box 30
Line is control sideline, the mark of sign installation positioning in the stake top of the steel-pipe pile 40, using crane ship by the steel jacket box
30 integral installations are in place.Before the steel jacket box integral installation, integral assembling, and the lower outrigger are completed on the crane ship
Connected between 33B and the truss 32 by fining twisted steel and channel-section steel, then using crane ship by the integral installation of steel jacket box 30
In place.After installation, the stake top of all steel-pipe piles 40 and outrigger are connected into by an entirety by channel-section steel, avoid the steel pipe
Stake produces in work progress individually rocks, and influences construction quality.
In the application, deformed as one kind, split installation can also be carried out to the steel jacket box 30, wherein described in
Crawler crane on assistance platform 20 completes outrigger and steel jacket box installation.Specifically, the truss 32 is first installed, hung using steel wire rope
In the stake top of the steel-pipe pile 40；Then the lower outrigger 33B and upper outrigger 33A is installed, complete be hinged locking, then install
Fining twisted steel hangs muscle, truss 32 described in leveling；Then bottom plate is laid, finally installation form piecewise.When burst is installed, to institute
Outrigger 33A, lower outrigger 33B and truss 32 is stated to reinforce in time, in order to more accurate in place, using while install, while measure adjustment, by
Walk the method for welded limiting plate., should if the center off normal of steel jacket box 30 and its gradient do not meet specification and design requirement
Adjusted in time, it is final to meet to require.The steel jacket box 30 installs, and carries out temperature pier to the steel jacket box 30 immediately
Processing, support bar, wherein one end and the side wall bolt connection of the steel jacket box 30, one end and the steel-pipe pile are made using I-steel
40 outer wall welding.
Before one phase reinforcing bar is installed, the bottom plate is constructed, wherein the bottom plate uses the construction technology at wall bag bottom,
Lattice coral is first laid on the truss 32, bamboo slab rubber is laid on the lattice coral, reinforcing bar is installed on the bamboo slab rubber.Specifically, hold
Platform reinforcing bar be concentrated mainly on it is multi-functional refute and semi-finished product be processed on crane ship, it is indivedual such as stake disconnection, can add after need to surveying
The small type reinforced bar half-finished product of work selects the processing and fabricating on the assistance platform 20.It is multi-functional to refute and rerolled steel muscle on crane ship
In the stormy waves condition preferable period, it is hung on the assistance platform using the crawler crane on the assistance platform 20 and is stacked temporarily,
In the case of weather condition allows, reinforcing bar is hung to the steel jacket box 30 in batches using the crawler crane, colligation shaping.
During to the construction of bottom plates, the present embodiment also includes the step of measuring positioning to the blower fan cushion cap, specifically
Ground, because the setting-out of the blower fan cushion cap acts on for off-lying sea, therefore GPS location setting-out is used, wherein the cushion cap construction layout
Specific steps include：After the completion of base plate paving, the central point of cushion cap is gone out using GPS-RTK apparatus measures；On the basis of the center of circle,
Due north due south, the axis in due east due west direction are measured and indicated on bottom plate（It is consistent with circular cushion cap diameter）；Using the center of circle as base
Standard, measures the sideline of cushion cap, and wherein north and south and thing axis is by cushion cap circumference sideline quadrisection, four with steel jacket box
Template is corresponding, and axis is at steel jacket box formwork edge joint with sideline interface point；Surveying setting-out finishes, and is set on the inside of sideline interim
Spacing steel plate（Template is removed after integrally fixing）, after model sheetinstallat is in place, limiting bracket is set on the outside of template, it is ensured that template is pressed
Positioning sideline is installed in place.
After reinforcing bar colligation shaping, cushion cap fist stage concrete is constructed, i.e., from the top of the steel jacket box 30 for the first time
Casting concrete, the bottom of the steel jacket box is set to form armored concrete.The concrete is poured using mixer ship waterborne, a phase
The concreting time is generally 1.5 hours or so.Because the side wall need to can be torn open after the completion of all cushion cap concretings
Remove, after fist stage concrete has been poured, concrete face absolute altitude should be checked, and the concrete face on template side is carried out using small-sized trowel
It is levelling to receive light, it is ensured that construction joint is horizontal consistent.The construction of cushion cap fist stage concrete should select to carry out when weather is preferable, prevent the steel
The rocking tendency of pile tube 40 is excessive to cause concrete to be destroyed.During concreting, giant should be utilized to rinse pile body and institute
State the hanging in template（The slurry mouth that overflows is located at below template top, i.e. hanging possibly be present at template middle and lower part）, finished product protection is carried out,
Ensure presentation quality.In casting process, blocked if there is concrete pumping pipe, it is necessary to during with water flushing pipe, it is necessary to make
It is rinsed with mixer ship ballasting fresh water；When clearing up template inner concrete, forbid to be cleaned using the technique with seawater.
After the bottom concrete reaches prescribed strength, the truss 32 and outrigger are removed, is comprised the following steps that：It is first
First, by the spacing dismounting in the bottom of side wall 31, the side wall 31 is made to be disengaged with the truss 32；Then, the lower outrigger is unclamped
The straight hangs muscle nut on 33B tops, the truss 32 is set slowly to transfer a segment distance under Gravitative Loads；Secondly the cushion cap is removed
Bottom plate, and block-by-block is placed on cargo ship, after cushion cap bottom plate dismounting, remove the truss, removal junction bolt, so
Truss decentralization is hung out afterwards.Remove one by one successively, last two panels is hung on top surface on outrigger by cucurbit iron chains, such as
This can both ensure that the cushion cap bottom plate was smoothly removed, and can also ensure that the corrosion-inhibiting coating of the steel-pipe pile is not destroyed.
After the truss 32 and the outrigger are removed, the second stage of reinforcing bar is installed on the armored concrete, from the steel bushing
Second of the top casting concrete of case, the top of the steel jacket box is set to form armored concrete.Wherein described the second stage of reinforcing bar exists
Field fabrication installation, after installation, built-in fitting is constructed, wherein the built-in fitting include pre-stressed bolt sub-assembly and
Monitoring temperature sensor.The pre-stressed bolt sub-assembly uses integral installation technique, when fist stage concrete pours, its top surface pair
Pre-stressed bolt sub-assembly position is answered to bury plurality of steel plates.After concrete strength meets design requirement, by high supporting studs and bottom
Plate weld is fixed on polylith pre-embedded steel slab, and an absolute altitude adjusting nut is set at the top of supporting studs, by the unified tune of adjusting nut
It is flat.After built-in fitting delivers to scene using transporter transportation by lighter, lifted using crawler crane to the adjusting nut of supporting studs.Adjustment is adjusted
The elevation of school nut, pre-stressed bolt sub-assembly top flange backing plate absolute altitude and flatness is set to meet design requirement., will after leveling
Fastening nut at the top of supporting studs is tightened, and pre-stressed bolt sub-assembly is fixed in supporting studs.Pre-stressed bolt combines
All bolt heads and nut spread grease and put protective cap at the top of part, on inspection after acceptance(check), by pre-stressed bolt group
Component is reinforced with structure reinforcing bars.In addition, related data is collected for form removal, after framework of steel reinforcement and built-in fitting complete installation,
Fixed temperature sensor is installed on framework of steel reinforcement, the temperature sensor arrangement is：Sensor arrangement is in the cushion cap center of circle
Vertical curve both sides.
Before second stage concrete is poured, dabbing processing first should be carried out to fist stage concrete and stake inner concrete surface, and clearly
Manage clean debris, loosen stone etc.；Then fist stage concrete surface is sufficiently humidified so as to using fresh water, spreads the fat mortar of same strength grade
Concrete, to ensure that concrete is well combined.It is grey under cushion cap center when second stage concrete pours, gradually to surrounding cloth
Material.Vibrating should fully, and fast insert is pulled out slowly, is successively vibrated uniform, closely knit.Before lower ash, all bolt tops are protected using geotechnological cloth
Cap parcel protection, geotechnological cloth are fastened using tied silk.When lower grey, forbid directly to be poured on built-in fitting, avoid making built-in fitting
Into displacement, damage, it should be noted that protecting temperature sensor in process of vibrating, must not directly be shaken in the certain limit of sensor
Smash, it is closely knit using dither effect.Fist stage concrete, using water curing of storing fresh water, monitors because thickness is small without the temperature difference；Second phase
Concrete need to carry out temperature difference monitoring, and the temperature difference monitoring uses integrated modular monitoring system, temperature is received by network remote
Value, a data are gathered per half an hour, and carry out temperature difference analysis automatically.
When the side wall 31 is removed, in order to increase the protection to the template, first two neighboring template is reinforced, then
Removal need to remove punching block major part connecting bolt, be hung to by crane gear on deck, and two cable wind ropes are equipped with demolishing process
Drawn, prevent side template from significantly swinging, damage template.
Obviously, above-described embodiment is only intended to clearly illustrate example, not to the restriction of embodiment.For
For those of ordinary skill in the art, other multi-form changes can also be made on the basis of the above description or are become
It is dynamic.There is no necessity and possibility to exhaust all the enbodiments.And the obvious change or change thus extended out
Among moving still in the protection domain of the invention.
Claims (10)
1. a kind of construction method of blower fan cushion cap, the blower fan cushion cap is located at the top of steel-pipe pile, it is characterised in that including following step
Suddenly：
Step S1：Steel jacket box is manufactured, wherein the steel jacket box includes cylindrical side wall, the truss positioned at the sidewall bottom
And the outrigger in the side wall, wherein the outrigger includes upper outrigger and the lower outrigger below the upper outrigger,
And the upper outrigger is connected with the lower outrigger, the lower outrigger is connected with the truss by hangs muscle；
Step S2：The steel jacket box is arranged at the top of the steel-pipe pile, the lower outrigger is located at the stake top of the steel-pipe pile
On；
Step S3：Laying construction is carried out to the bottom plate of the steel jacket box, and after a phase reinforcing bar is installed on the bottom plate, to described
Blower fan cushion cap fist stage concrete is poured, and the bottom of the steel jacket box is formed armored concrete；
Step S4：Remove the truss and the outrigger；
Step S5：The second stage of reinforcing bar is installed on the fist stage concrete, the blower fan cushion cap second stage concrete is poured, treated
After armored concrete is formed at the top of the steel jacket box, the side wall is removed.
2. the construction method of blower fan cushion cap according to claim 1, it is characterised in that：It is auxiliary also to include manufacture in the step S1
Platform is helped, wherein the assistance platform is arranged on by the blower fan cushion cap, makes the blower fan cushion cap close to the assistance platform.
3. the construction method of blower fan cushion cap according to claim 2, it is characterised in that：After the assistance platform installation, in institute
State installation on steel-pipe pile and lean on ship facility, anti-collision structure and cable tube.
4. the construction method of blower fan cushion cap according to claim 1, it is characterised in that：In the step S2, by the steel bushing
Case be arranged on the steel-pipe pile on method be：Using the girder steel girder sideline of the steel jacket box as control sideline, in the steel pipe
The mark of sign installation positioning, in place by the steel jacket box integral installation using crane ship in the stake top of stake.
5. the construction method of blower fan cushion cap according to claim 4, it is characterised in that：Before the steel jacket box integral installation,
Integral assembling is completed on the crane ship, and is connected between the lower outrigger and the truss by fining twisted steel and channel-section steel
Connect.
6. the construction method of blower fan cushion cap according to claim 5, it is characterised in that：The steel jacket box integral installation is completed
Afterwards, all steel-pipe piles are connected with the outrigger by the channel-section steel integral.
7. the construction method of blower fan cushion cap according to claim 1, it is characterised in that：Also include in the step S3 to described
The step of blower fan cushion cap measures positioning.
8. the construction method of blower fan cushion cap according to claim 1, it is characterised in that：In the step S3, to the steel bushing
When bottom plate is constructed, lattice coral is first laid on the truss, then bamboo slab rubber is laid on the lattice coral, in the bamboo glue
Reinforcing bar is installed, and colligation is molded on plate.
9. the construction method of blower fan cushion cap according to claim 1, it is characterised in that：In the step S4, the purlin is removed
The method of frame and the outrigger is as follows：First by the spacing dismounting in the bottom of the side wall, the side wall is set to be disengaged with the truss；
Then, the straight hangs muscle nut on the lower outrigger top is unclamped, the truss is slowly transferred a segment distance under Gravitative Loads；Its
It is secondary to remove the cushion cap bottom plate, and block-by-block is placed on cargo ship, after cushion cap bottom plate dismounting, removes the truss, so
Truss decentralization is hung out afterwards.
10. the construction method of blower fan cushion cap according to claim 1, it is characterised in that：The second stage of steel is installed in the step S5
After muscle, built-in fitting is constructed, wherein the built-in fitting includes pre-stressed bolt sub-assembly and monitoring temperature sensor.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711115097.0A CN107882055A (en) | 2017-11-13 | 2017-11-13 | A kind of construction method of blower fan cushion cap |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711115097.0A CN107882055A (en) | 2017-11-13 | 2017-11-13 | A kind of construction method of blower fan cushion cap |
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| CN107882055A true CN107882055A (en) | 2018-04-06 |
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| CN201711115097.0A Pending CN107882055A (en) | 2017-11-13 | 2017-11-13 | A kind of construction method of blower fan cushion cap |
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| CN108316341A (en) * | 2018-04-12 | 2018-07-24 | 上海勘测设计研究院有限公司 | Prefabrication type High-Rise Pile Cap Foundation and its construction method |
| CN109322309A (en) * | 2018-10-23 | 2019-02-12 | 上海市基础工程集团有限公司 | The construction method that greater coasting area offshore concrete pours |
| CN113445733A (en) * | 2021-08-30 | 2021-09-28 | 河北建设集团股份有限公司天津分公司 | Test bed template supporting device for wind power blade detection and mounting method |
| CN114032944A (en) * | 2021-10-26 | 2022-02-11 | 中交第三航务工程局有限公司宁波分公司 | Offshore wind power high-rise pile cap construction method and system |
| CN117773440A (en) * | 2024-02-26 | 2024-03-29 | 广州文船重工有限公司 | Movable inner container tool for wind power jacket |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108316341A (en) * | 2018-04-12 | 2018-07-24 | 上海勘测设计研究院有限公司 | Prefabrication type High-Rise Pile Cap Foundation and its construction method |
| CN109322309A (en) * | 2018-10-23 | 2019-02-12 | 上海市基础工程集团有限公司 | The construction method that greater coasting area offshore concrete pours |
| CN113445733A (en) * | 2021-08-30 | 2021-09-28 | 河北建设集团股份有限公司天津分公司 | Test bed template supporting device for wind power blade detection and mounting method |
| CN114032944A (en) * | 2021-10-26 | 2022-02-11 | 中交第三航务工程局有限公司宁波分公司 | Offshore wind power high-rise pile cap construction method and system |
| CN117773440A (en) * | 2024-02-26 | 2024-03-29 | 广州文船重工有限公司 | Movable inner container tool for wind power jacket |
| CN117773440B (en) * | 2024-02-26 | 2024-04-19 | 广州文船重工有限公司 | Movable inner container tool for wind power jacket |
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Application publication date: 20180406 |