CN108193680B - Construction method for constructing large-diameter steel casing and three-frame type guide frame - Google Patents
Construction method for constructing large-diameter steel casing and three-frame type guide frame Download PDFInfo
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- CN108193680B CN108193680B CN201711489043.0A CN201711489043A CN108193680B CN 108193680 B CN108193680 B CN 108193680B CN 201711489043 A CN201711489043 A CN 201711489043A CN 108193680 B CN108193680 B CN 108193680B
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- frame leading
- guide housing
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 193
- 239000010959 steel Substances 0.000 title claims abstract description 193
- 238000010276 construction Methods 0.000 title claims abstract description 37
- 238000005266 casting Methods 0.000 claims description 104
- 230000006641 stabilisation Effects 0.000 claims description 13
- 238000011105 stabilization Methods 0.000 claims description 13
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 8
- 238000013461 design Methods 0.000 claims description 5
- 229910000926 A-3 tool steel Inorganic materials 0.000 claims description 4
- 229910052742 iron Inorganic materials 0.000 claims description 4
- 230000003014 reinforcing effect Effects 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 8
- 230000001681 protective effect Effects 0.000 abstract 1
- 238000003466 welding Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 8
- 239000004576 sand Substances 0.000 description 4
- 238000012797 qualification Methods 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 229910000746 Structural steel Inorganic materials 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D7/00—Methods or apparatus for placing sheet pile bulkheads, piles, mouldpipes, or other moulds
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D13/00—Accessories for placing or removing piles or bulkheads, e.g. noise attenuating chambers
- E02D13/04—Guide devices; Guide frames
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D7/00—Methods or apparatus for placing sheet pile bulkheads, piles, mouldpipes, or other moulds
- E02D7/02—Placing by driving
- E02D7/06—Power-driven drivers
- E02D7/14—Components for drivers inasmuch as not specially for a specific driver construction
- E02D7/16—Scaffolds or supports for drivers
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D7/00—Methods or apparatus for placing sheet pile bulkheads, piles, mouldpipes, or other moulds
- E02D7/18—Placing by vibrating
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
Abstract
The invention discloses a construction method for driving a large-diameter steel casing and a three-frame type guide frame. It comprises the following steps: four auxiliary piles are driven to place the three-frame type guide frame, and the auxiliary piles are connected by I-shaped steel; placing the three-frame type guide frame on an auxiliary positioning steel pipe pile platform, and adjusting the coordinate and the verticality of the three-frame type guide frame; making the steel casing sink by self weight; continuously driving steel protective cylinders on two sides of the guide frame in the same positioning and inserting driving mode as the first one; cutting off the locking connection between the guide frame and the auxiliary steel pipe piles and the upper opening parallel connection between the steel pipe piles, lifting the guide frame, rotating the guide frame by 90 degrees, then lowering the guide frame, and driving steel casing cylinders on two longitudinal sides by adopting the same method; hoisting the guide frame, and dismantling the auxiliary steel pipe pile; and welding two I45 b-shaped steels serving as bearing beams at the top opening of the middle guide opening of the guide frame, lowering the middle guide opening to the next driven steel casing, and driving other steel casings by using the driven steel casing as a positioning reference pile. The method has the advantage of improving the driving precision of the steel casing.
Description
Technical field
The present invention relates to boat structure object technical field of construction, more specifically says it is Large-diameter Steel casing and three frames are led
Construction method is set to frame.
Background technique
In highway bridge work progress, pile foundation steel pile casting sets the verticality and center deviation of sinking, direct shadow
Ring to can smoothly pile and pile foundation construction quality, and influence the decentralization of cushion cap steel lifted trunk.And traditional steel pile casting leading truck is outstanding
Arm-type leading truck, and construction must be positioned on platform, bigger, another aspect steel shield is on the one hand required the hoisting height of gantry crane
Cylinder set precision be difficult to control and construction efficiency it is low.
Summary of the invention
The object of the present invention is to provide a kind of Large-diameter Steel casings and three frame leading trucks to set construction method, reduces gantry crane
Hang high request, save gantry crane expense；It improves steel pile casting and sets efficiency, shorten the construction period；Steel pile casting positioning difficulty is reduced, is subtracted
Few artificial investment；The precision of plan-position and verticality that steel pile casting is set is greatlyd improve, one-time success rate and qualification rate are equal
It is 100%.
To achieve the goals above, the technical solution of the present invention is as follows: Large-diameter Steel casing and three frame leading trucks set and apply
Work method, characterized by the following steps:
Step 1: squeezing into four auxiliary piles, connected under auxiliary pile superstructure and auxiliary pile between auxiliary pile with I-steel
Layer structure, auxiliary pile superstructure and auxiliary pile understructure constitute auxiliary positioning steel pipe pile platform；
Step 2: three frame leading trucks being placed on auxiliary positioning steel pipe pile platform, the plane of three frame leading trucks is adjusted
Then three frame leading trucks are weldingly fixed on auxiliary positioning steel pipe pile platform by position and verticality to design requirement is met,
By directive wheel, the positioning ring of three frame leading trucks is fixed on auxiliary pile or auxiliary positioning steel pipe pile platform with steel cable；
Step 3: lifting steel pile casting to the second guide housing of three frame leading trucks in, by decentralization directive wheel by steel pile casting from
By transferring to riverbed；Steel pile casting plan-position and verticality are adjusted by jack, after steel pile casting sinks down into stabilization by self weight, then
It is finely tuned with jack, finally turns steel pile casting to designed elevation with vibration hammer pile sinking；
Step 4: lifting steel pile casting to the first guide housing of three frame leading trucks in, by decentralization directive wheel by steel pile casting from
By transferring to riverbed；Adjust steel pile casting plan-position and verticality by jack, Horizontal position errors be no more than ± 30mm and
The error of perpendicularity loose hook after being no more than 0.2%, steel pile casting is sunk down by self weight stablize after, then finely tuned with jack, finally use and shake
Dynamic hammer pile sinking turns steel pile casting to designed elevation；
It lifts by crane in steel pile casting to the third guide housing of three frame leading trucks, by transferring directive wheel for steel pile casting free releasing
To riverbed；Steel pile casting plan-position and verticality are adjusted by jack, Horizontal position errors are no more than ± 30mm and verticality
Error loose hook after being no more than 0.2% after steel pile casting sinks down into stabilization by self weight, then is finely tuned with jack, is finally sunk with vibration hammer
Stake turns steel pile casting to designed elevation；
Step 5: the connection between three frame leading trucks and auxiliary positioning steel pipe pile platform is released, using gantry crane by three frames
It is mentioned on leading truck, decentralization welds three frame leading trucks to auxiliary positioning steel pipe pile platform after three frame leading trucks are rotated by 90 °
It is fixed on auxiliary positioning steel pipe pile platform；
It lifts by crane in steel pile casting to the first guide housing of three frame leading trucks, by transferring directive wheel for steel pile casting free releasing
To riverbed；Steel pile casting plan-position and verticality are adjusted by jack, Horizontal position errors are no more than ± 30mm and verticality
Error loose hook after being no more than 0.2% after steel pile casting sinks down into stabilization by self weight, then is finely tuned with jack, is finally sunk with vibration hammer
Stake turns steel pile casting to designed elevation；
It lifts by crane in steel pile casting to the third guide housing of three frame leading trucks, by transferring directive wheel for steel pile casting free releasing
To riverbed；Steel pile casting plan-position and verticality are adjusted by jack, Horizontal position errors are no more than ± 30mm and verticality
Error loose hook after being no more than 0.2% after steel pile casting sinks down into stabilization by self weight, then is finely tuned with jack, is finally sunk with vibration hammer
Stake turns steel pile casting to designed elevation；
Step 6: after the completion of five steel pile castings for the first time are set, three frame leading trucks are hung out, remove auxiliary pile, step 7:
(45b fashioned iron is high-quality carbon structural steel to the top opening Welder 45b fashioned iron of second guide housing of three frame leading trucks, is used extensively
In machine-building, better mechanical property) it is used as spandrel girder, the second guide housing of three frame leading trucks is transferred to next and has been beaten
If on the steel pile casting completed, using the steel pile casting set as positioning datum stake, adjusting three frames guiding by jack
The coordinate of frame and verticality are simultaneously locked, and the first guide housing and third the guide housing positioning for being located at the second guide housing two sides are utilized
It beats other and sets steel pile casting；
Three frame leading trucks are made of three guide housings and two connection structures, and three guide housings pass through two connection structures
Connection is in an entirety；Three guide housings are respectively the first guide housing, the second guide housing, third guide housing, the second guide housing position
Between the first guide housing and third guide housing；First guide housing is connect by connection structure with the second guide housing, the second guiding
Frame is connect by connection structure with third guide housing.
In the above-mentioned technical solutions, in step 1, two laterally adjacent auxiliary piles of auxiliary pile superstructure pass through I-steel
Connection；Two laterally adjacent auxiliary piles of auxiliary pile understructure are connected by I-steel, and auxiliary pile understructure is longitudinally adjacent
Two auxiliary piles pass through I-steel and connect, auxiliary pile understructure and two longitudinally adjacent auxiliary piles of auxiliary pile understructure
Between be provided with bracket reinforcing rib.
In the above-mentioned technical solutions, in step 2, there are four the positioning rings of three frame leading trucks.
In the above-mentioned technical solutions, three frame leading truck overall length 1000cm, frame verticality≤1/ of three frame leading trucks
200, the material of three frame leading trucks is that (A3 steel are a kind of carbon steel that phosphorus content is relatively low to A3 steel, and wherein a represents steel
Mechanical property, a3 is one of Standard of steel trade mark).
In the above-mentioned technical solutions, the setting of three frame leading trucks is in superstructure, media layer damage, understructure, upper layer knot
There are four jack and four decentralization directive wheels for setting on structure；There are four jack and four decentralization guiding for setting on media layer damage
Wheel；There are four jack and four decentralization directive wheels for setting in understructure；Jack is all set in adding for three frame leading trucks
On strong steel plate, directive wheel is all set on jack.
In the above-mentioned technical solutions, I-steel is that (45b I-steel is the wide 152mm of leg, waist thickness 13 to 45b I-steel, 5mm, again
Amount 87,42Kg/m, area of section 101cm3, theoretical weight is the I-steel of 87.4 kg/ms)；Leading truck vertical bar, leading truck
Cross bar, connection structure vertical bar, connection structure cross bar are all made of Two bors d's oeuveres structure；Leading truck diagonal brace, connection structure diagonal brace are all made of double
Spell structure.
The present invention has the advantage that
(1) high request that hangs for reducing gantry crane, saves gantry crane expense；It improves steel pile casting and sets efficiency, shorten the construction period；Drop
Low steel pile casting positioning difficulty, reduces artificial investment；
(2) precision of plan-position and verticality that steel pile casting is set is greatlyd improve, is hung for subsequent pile foundation construction and steel
The smooth decentralization of case lays the foundation；
(3) it improves steel pile casting and sets precision, save the construction period, and in the use of Processes and apparatus, it is economic and practical,
Meet construction requirement；Ensure Large-diameter Steel casing construction one-time success rate 100%, qualification rate 100%, finally ensures main pier stake
The construction speed and quality of base and cushion cap, the construction for the Large-diameter Steel casing under the conditions of similar sand seam geology later accumulate warp
It tests, there is great application value.
Detailed description of the invention
Fig. 1 is assembly structure diagram of the present invention.
Fig. 2 is operation schematic diagram one of the present invention.
Fig. 3 is operation schematic diagram two of the present invention.
Fig. 4 is operation schematic diagram three of the present invention.
Fig. 5 is operation schematic diagram four of the present invention.
Fig. 6 is operation schematic diagram five of the present invention.
Fig. 7 is operation schematic diagram six of the present invention.
Fig. 8 is operation schematic diagram of the embodiment of the present invention.
The first guide housing of 1- in figure, the second guide housing of 2-, 3- third guide housing, 5- connection structure, 6- positioning ring, 7- are very heavy
Top, 8- decentralization directive wheel, 9- auxiliary positioning platform, 9.1- auxiliary pile, 9.2- leading truck mounting platform, 10- bracket reinforcing rib,
Tri- frame leading truck of 11-, 12- steel pile casting.
Specific embodiment
The performance that the invention will now be described in detail with reference to the accompanying drawings, but they and do not constitute a limitation of the invention, only
It is for example.Keep advantages of the present invention more clear by explanation simultaneously and is readily appreciated that.
Refering to known to attached drawing: Large-diameter Steel casing and three frame leading trucks set construction method, it is characterised in that: including such as
Lower step:
Step 1: squeezing into four auxiliary piles 9.1, connect into auxiliary pile superstructure and auxiliary with I-steel between auxiliary pile 9.1
A understructure is helped, auxiliary pile superstructure and auxiliary pile understructure constitute auxiliary positioning steel pipe pile platform 9.2 (such as Fig. 1 institute
Show)；
Step 2: three frame leading trucks 11 being placed on auxiliary positioning steel pipe pile platform 9.2, three frame leading trucks are adjusted
Then three frame leading trucks 11 are weldingly fixed on auxiliary positioning steel pipe to design requirement is met by 11 plan-position and verticality
On stake platform 9.2, as shown in figure 5, the positioning ring of three frame leading trucks 11 is fixed auxiliary pile 9.1 with steel cable by directive wheel
Or on auxiliary positioning steel pipe pile platform 9.2 (as shown in Figure 2)；
Step 3: in the second guide housing 2 of lifting 12 to three frame leading truck 11 of steel pile casting, by transferring directive wheel 8 for steel
12 free releasing of casing is to riverbed；12 plan-position of steel pile casting and verticality are adjusted by jack 7, steel pile casting 12 is under self weight
It is sink to after stablizing, then is finely tuned with jack 7, finally turn steel pile casting 12 to designed elevation (as shown in Figure 3) with vibration hammer pile sinking；
Step 4: in the first guide housing 1 of lifting 12 to three frame leading truck 11 of steel pile casting, by transferring directive wheel 8 for steel
12 free releasing of casing is to riverbed；12 plan-position of steel pile casting is adjusted by jack 7 and verticality, Horizontal position errors do not surpass
Loose hook after ± 30mm and the error of perpendicularity are no more than 0.2% is crossed, after steel pile casting 12 sinks down into stabilization by self weight, then with jack 7
Fine tuning, finally turns steel pile casting 12 to designed elevation with vibration hammer pile sinking；
In the third guide housing 3 for lifting by crane 12 to three frame leading truck 11 of steel pile casting, by transferring directive wheel 8 for steel pile casting 12
Free releasing is to riverbed；12 plan-position of steel pile casting and verticality are adjusted by jack 7, Horizontal position errors are no more than ±
30mm and the error of perpendicularity loose hook after being no more than 0.2%, after steel pile casting 12 sinks down into stabilization by self weight, then it is micro- with jack 7
It adjusts, finally turns steel pile casting 12 to designed elevation (as shown in Figure 4) with vibration hammer pile sinking；
Step 5: the connection between three frame leading trucks 11 and auxiliary positioning steel pipe pile platform 9.2 is released, it will using gantry crane
Three frame leading trucks 11 above mention, and decentralization is to auxiliary positioning steel pipe pile platform 9.2 after three frame leading trucks 11 are rotated by 90 °, by three
Frame leading truck 11 is weldingly fixed on auxiliary positioning steel pipe pile platform 9.2；
In the first guide housing 1 for lifting by crane 12 to three frame leading truck 11 of steel pile casting, by transferring directive wheel 8 for steel pile casting 12
Free releasing is to riverbed；12 plan-position of steel pile casting and verticality are adjusted by jack 7, Horizontal position errors are no more than ±
30mm and the error of perpendicularity loose hook after being no more than 0.2%, after steel pile casting 12 sinks down into stabilization by self weight, then it is micro- with jack 7
It adjusts, finally turns steel pile casting 12 to designed elevation with vibration hammer pile sinking；
In the third guide housing 3 for lifting by crane 12 to three frame leading truck 11 of steel pile casting, by transferring directive wheel 8 for steel pile casting 12
Free releasing is to riverbed；12 plan-position of steel pile casting and verticality are adjusted by jack 7, Horizontal position errors are no more than ±
30mm and the error of perpendicularity loose hook after being no more than 0.2%, after steel pile casting 12 sinks down into stabilization by self weight, then it is micro- with jack 7
It adjusts, finally turns steel pile casting 12 to designed elevation (as shown in Figure 5) with vibration hammer pile sinking；
Step 6: after the completion of five steel pile castings 12 for the first time are set, hanging out three frame leading trucks 11, remove auxiliary pile 9.1
(as shown in Figure 6)；
Step 7: three frame leading trucks 11 the second guide housing 2 top opening Welder 45b fashioned iron as spandrel girder, by three
In the second guide housing 2 decentralization to next steel pile casting 12 for having set completion of frame leading truck 11, the steel set is utilized
Casing 12 is used as positioning datum stake, adjusts the coordinate of three frame leading trucks 11 by jack 7 and verticality and locks, using dividing
Not Wei Yu 2 two sides of the second guide housing the first guide housing 1 and the positioning of third guide housing 3 beat other and set steel pile casting 12 (such as Fig. 7 institute
Show)；
Three frame leading trucks 11 are made of three guide housings and two connection structures 5, and three guide housings pass through two connections
The connection of structure 5 is in an entirety；Three guide housings are respectively the first guide housing 1, the second guide housing 2, third guide housing 3, and second
Guide housing 2 is between the first guide housing 1 and third guide housing 3；First guide housing 1 passes through connection structure 5 and the second guide housing 2
Connection, the second guide housing 2 are connect by connection structure 5 with third guide housing 3.
In step 1, two laterally adjacent auxiliary piles 9.1 of auxiliary pile superstructure are connected by I-steel；Under auxiliary pile
Two laterally adjacent auxiliary piles 9.1 of layer structure are connected by I-steel, two longitudinally adjacent auxiliary of auxiliary pile understructure
Stake 9.1 is by I-steel connection, between auxiliary pile understructure and longitudinally adjacent two auxiliary piles 9.1 of auxiliary pile understructure
It is provided with bracket reinforcing rib 10.
In step 2, there are four the positioning rings of three frame leading trucks 11.
Three frame leading trucks, 11 overall length 1000cm, frame verticality≤1/200, three frame guiding of three frame leading trucks 11
The material of frame 11 is A3 steel；The control of three frame leading trucks is φ 285cm.
The setting of three frame leading trucks 11 is in superstructure, media layer damage, understructure, and there are four thousand for setting in superstructure
Jin top 7 and four decentralization directive wheels 8；There are four jack 7 and four decentralization directive wheels 8 for setting on media layer damage；Understructure
There are four jack 7 and four decentralization directive wheels 8 for upper setting；Jack 7 is all set in the reinforcement steel plate of three frame leading trucks 11
On, directive wheel 8 is all set on jack 7.
I-steel is 45b I-steel；Leading truck vertical bar 1.1, leading truck cross bar 1.2, connection structure vertical bar 5.1, connection knot
Structure cross bar 5.2 is all made of Two bors d's oeuveres structure；Leading truck diagonal brace 1.3, connection structure diagonal brace 5.3 are all made of Two bors d's oeuveres structure.
First positioning sets four auxiliary piles 2 and welds auxiliary positioning steel pipe pile platform 4 before steel pile casting 12 is set, by leading truck
3 move to 4 height of auxiliary positioning steel pipe pile platform hereinafter, can set three steel pile castings 12 for the first time, recycle steel pile casting 12 of having constructed
It is constructed by way of rotary steering frame as reference stake subsequent steel pile casting 12,2 steel pile castings can be set every time in subsequent construction
12；It both ensure that plan-position and the verticality of steel pile casting using the present invention, while having greatly improved construction efficiency.
Apply the inventive method to certain highway bridge south tower pier pile foundation steel pile casting sets construction (as shown in Figure 8), certain
Highway bridge south tower pier pile foundation steel pile casting accumulative construction 20 days, steel pile casting diameter phi 280cm, wall thickness from going into operation to completing
2.0cm；It is average to complete three daily, it is doubled compared with conventional construction efficiency；And it is checked and accepted by measurement, 58 steel pile castings
Maximum planes position deviation is 1.7cm, and maximum perpendicular degree deviation is 1/450cm, and precision index is above design requirement；It ensures
The Changjiang river dry season pile foundation construction progress and quality, and powerful guarantee is provided for the successful decentralization of subsequent steel lifted trunk construction.
The main pier pile foundation steel pile casting construction of certain highway bridge, breaches the routinely technique under the conditions of previous sand seam geology,
By the optimization design to steel pile casting leading truck, the anti-of pile foundation gushes the common faults such as sand, the hole that collapses under the conditions of solving the problems, such as sand seam geology；
The present invention provides thinking for the steel pile casting construction solved under similar execution conditions, and has saved the duration；And it in technique and sets
Economic and practical in standby use, construction efficiency is high, meets construction requirement；Ensure the primary success of Large-diameter Steel casing construction
Rate 100%, qualification rate 100%；Finally ensure the construction speed and quality of southern tower pier pile foundation, entire work progress does not occur one
Secondary casing spillage problem through detection is I class stake after pile foundation pile.
Other unaccounted parts belong to the prior art.
Claims (6)
1. Large-diameter Steel casing and three frame leading trucks set construction method, characterized by the following steps:
Step 1: squeezing into four auxiliary piles (9.1), connect into auxiliary pile superstructure and auxiliary with I-steel between auxiliary pile (9.1)
A understructure is helped, auxiliary pile superstructure and auxiliary pile understructure constitute auxiliary positioning steel pipe pile platform (9.2)；
Step 2: three frame leading trucks (11) being placed on auxiliary positioning steel pipe pile platform (9.2), three frame leading trucks are adjusted
(11) then three frame leading trucks (11) are weldingly fixed on auxiliary positioning to design requirement is met by plan-position and verticality
It is with steel cable that the positioning ring of three frame leading trucks (11) is fixed auxiliary pile (9.1) by directive wheel on steel pipe pile platform (9.2)
Or on auxiliary positioning steel pipe pile platform (9.2)；
Step 3: in the second guide housing (2) of lifting steel pile casting (12) to three frame leading trucks (11), by transferring directive wheel (8)
By steel pile casting (12) free releasing to riverbed；Steel pile casting (12) plan-position and verticality, plane position are adjusted by jack (7)
Error is set no more than ± 30mm and the error of perpendicularity be no more than 0.2% after loose hook, steel pile casting (12) sinks down into stabilization by self weight
Afterwards, then with jack (7) it finely tunes, finally turns steel pile casting (12) to designed elevation with vibration hammer pile sinking；
Step 4: in the first guide housing (1) of lifting steel pile casting (12) to three frame leading trucks (11), by transferring directive wheel (8)
By steel pile casting (12) free releasing to riverbed；Steel pile casting (12) plan-position and verticality, plane position are adjusted by jack (7)
Error is set no more than ± 30mm and the error of perpendicularity be no more than 0.2% after loose hook, steel pile casting (12) sinks down into stabilization by self weight
Afterwards, then with jack (7) it finely tunes, finally turns steel pile casting (12) to designed elevation with vibration hammer pile sinking；
It lifts by crane in steel pile casting (12) to the third guide housing (3) of three frame leading trucks (11), is protected steel by decentralization directive wheel (8)
Cylinder (12) free releasing is to riverbed；Steel pile casting (12) plan-position and verticality, Horizontal position errors are adjusted by jack (7)
No more than ± 30mm and the error of perpendicularity be no more than 0.2% after loose hook, after steel pile casting (12) sinks down into stabilization by self weight, then use
Jack (7) fine tuning, finally turns steel pile casting (12) to designed elevation with vibration hammer pile sinking；
Step 5: the connection between three frame leading trucks (11) and auxiliary positioning steel pipe pile platform (9.2) is released, it will using gantry crane
Three frame leading trucks (11) above mention, and transfer after three frame leading trucks (11) are rotated by 90 ° to auxiliary positioning steel pipe pile platform
(9.2), three frame leading trucks (11) are weldingly fixed on auxiliary positioning steel pipe pile platform (9.2)；
It lifts by crane in steel pile casting (12) to the first guide housing (1) of three frame leading trucks (11), is protected steel by decentralization directive wheel (8)
Cylinder (12) free releasing is to riverbed；Steel pile casting (12) plan-position and verticality, Horizontal position errors are adjusted by jack (7)
No more than ± 30mm and the error of perpendicularity be no more than 0.2% after loose hook, after steel pile casting (12) sinks down into stabilization by self weight, then use
Jack (7) fine tuning, finally turns steel pile casting (12) to designed elevation with vibration hammer pile sinking；
It lifts by crane in steel pile casting (12) to the third guide housing (3) of three frame leading trucks (11), is protected steel by decentralization directive wheel (8)
Cylinder (12) free releasing is to riverbed；Steel pile casting (12) plan-position and verticality, Horizontal position errors are adjusted by jack (7)
No more than ± 30mm and the error of perpendicularity be no more than 0.2% after loose hook, after steel pile casting (12) sinks down into stabilization by self weight, then use
Jack (7) fine tuning, finally turns steel pile casting (12) to designed elevation with vibration hammer pile sinking；
Step 6: after the completion of five steel pile castings (12) for the first time set, hanging out three frame leading trucks (11), remove auxiliary pile
(9.1)；
Step 7: three frame leading trucks (11) the second guide housing (2) top opening Welder 45b fashioned iron as spandrel girder, by three
The second guide housing (2) decentralization of frame leading truck (11) is on next steel pile casting (12) for having set completion, using having set
Good steel pile casting (12) is used as positioning datum stake, and the coordinate and verticality of three frame leading trucks (11) are adjusted by jack (7)
And lock, it is set using the first guide housing (1) and third guide housing (3) positioning for being located at the second guide housing (2) two sides
His steel pile casting (12)；
Three frame leading trucks (11) are made of three guide housings and two connection structures (5), and three guide housings pass through two connections
Structure (5) connection is in an entirety；Three guide housings are respectively the first guide housing (1), the second guide housing (2), third guide housing
(3), the second guide housing (2) is between the first guide housing (1) and third guide housing (3)；First guide housing (1) passes through connection knot
Structure (5) is connect with the second guide housing (2), and the second guide housing (2) is connect by connection structure (5) with third guide housing (3).
2. Large-diameter Steel casing according to claim 1 and three frame leading trucks set construction method, it is characterised in that: step
In rapid 1, two laterally adjacent auxiliary piles (9.1) of auxiliary pile superstructure are connected by I-steel；Auxiliary pile understructure is horizontal
It is connected to two adjacent auxiliary piles (9.1) by I-steel, two longitudinally adjacent auxiliary piles (9.1) of auxiliary pile understructure
It is connected by I-steel, is set between auxiliary pile understructure and longitudinally adjacent two auxiliary piles (9.1) of auxiliary pile understructure
It is equipped with bracket reinforcing rib (10).
3. Large-diameter Steel casing according to claim 2 and three frame leading trucks set construction method, it is characterised in that: step
In rapid 2, there are four the positioning rings of three frame leading trucks (11).
4. Large-diameter Steel casing according to claim 3 and three frame leading trucks set construction method, it is characterised in that: three
Frame leading truck (11) overall length 1000cm, frame verticality≤1/200, three frame leading truck (11) of three frame leading trucks (11)
Material be A3 steel.
5. Large-diameter Steel casing according to claim 4 and three frame leading trucks set construction method, it is characterised in that: three
Frame leading truck (11) setting is in superstructure, media layer damage, understructure, and there are four jack (7) for setting in superstructure
And four decentralization directive wheels (8)；There are four jack (7) and four decentralization directive wheels (8) for setting on media layer damage；Understructure
There are four jack (7) and four decentralization directive wheels (8) for upper setting；Jack (7) is all set in three frame leading trucks (11)
Reinforce on steel plate, directive wheel (8) is all set on jack (7).
6. Large-diameter Steel casing according to claim 5 and three frame leading trucks set construction method, it is characterised in that: work
Word steel is 45b I-steel；Leading truck vertical bar (1.1), leading truck cross bar (1.2), connection structure vertical bar (5.1), connection structure are horizontal
Bar (5.2) is all made of Two bors d's oeuveres structure；Leading truck diagonal brace (1.3), connection structure diagonal brace (5.3) are all made of Two bors d's oeuveres structure.
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| CN110106881A (en) * | 2019-05-30 | 2019-08-09 | 中国电建市政建设集团有限公司 | A kind of steel-pipe pile construction guidance locating rack and construction method |
| CN113293783B (en) * | 2021-06-30 | 2022-05-20 | 中建三局集团有限公司 | Construction method for hole leading of underwater steel cofferdam |
| CN113955024A (en) * | 2021-10-08 | 2022-01-21 | 中交路桥华南工程有限公司 | Single barge type pile planting system |
| CN114808978A (en) * | 2022-03-24 | 2022-07-29 | 中建国际建设有限公司 | Non-landing mobile steel platform with pile guiding function |
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