CN208039210U - A kind of boulder bed large-sized deep water foundation construction platform - Google Patents
A kind of boulder bed large-sized deep water foundation construction platform Download PDFInfo
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- CN208039210U CN208039210U CN201820282171.1U CN201820282171U CN208039210U CN 208039210 U CN208039210 U CN 208039210U CN 201820282171 U CN201820282171 U CN 201820282171U CN 208039210 U CN208039210 U CN 208039210U
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Abstract
The utility model provides a kind of boulder bed large-sized deep water foundation construction platform, it includes the barge being arranged symmetrically, and the space truss structure positioned to steel pile casting is assemblied between the top of the barge；Casing inserting piling platform is provided at the top of the space truss structure；It is provided with multigroup first pair of I-steel shoulder pole girder between the top of adjacent steel pile casting, the platform lifting appliance for entire lifting platform is installed between first pair of I-steel shoulder pole girder and space truss structure.Casing decentralization space truss operation platform is built using two barge containers and integrally promotes the platform after whole casings are in place, is recycled the platform as pile foundation construction, cofferdam assembly and decentralization platform, and then improve construction efficiency, be ensure that construction quality.
Description
Technical field
The utility model belongs to waterborne traffic accident technical field, more particularly to a kind of boulder bed large-sized deep water foundation construction
Platform.
Background technology
It is in Upper Yangtze River boulder bed in geology at present, large-sized deep water foundation construction platform construction is carried out, mainly distinguishes
Pile Installation Platform and cofferdam construction platform are set up, continuous productive process is constructed step by step, the disadvantage is that：Operation platform, which is set up, to be needed
A large amount of temporary components remove answering for band construction as cofferdam assembly and decentralization, Pile Installation Platform to installation early period and later stage
Polygamy；Pile foundation and cofferdam substep are constructed, and are generally required to avoid two flood periods and could be constructed completion, influence the duration；Pile foundation
Operation platform place is limited, and multiple pore-forming drill equipment can not furnish, and needs multiple cycle construction pile foundations, influences the duration；It sets up
Multiple crane barge equipment, inland rivers large-scale floating crane equipment are needed to lack in the process；Existing cofferdam platform transfers implantation process in cofferdam
In, be susceptible to it is too slow, stagnate, overrun, is prominent heavy, construction deviation problem, stress is easy uneven in decentralization process, and steel encloses
The gradient and lateral deflection on weir are difficult to control, and construction risk is big.
Utility model content
The purpose of this utility model is to provide a kind of boulder bed large-sized deep water foundation construction platform, utilizes two barge containers
It builds casing decentralization space truss operation platform and integrally promotes the platform after whole casings are in place, recycle the platform conduct
Pile foundation construction, cofferdam is assembled and transfers platform, and then improves construction efficiency, ensure that construction quality.
In order to realize above-mentioned technical characteristic, what the purpose of this utility model was realized in：A kind of big moldeed depth of boulder bed
Water foundation construction platform, it includes the barge being arranged symmetrically, and is assemblied between the top of the barge and is positioned to steel pile casting
Space truss structure；Casing inserting piling platform is provided at the top of the space truss structure；The top of adjacent steel pile casting it
Between be provided with multigroup first pair of I-steel shoulder pole girder, be equipped between first pair of I-steel shoulder pole girder and space truss structure
Platform lifting appliance for entire lifting platform.
The space truss structure includes the 4th pair of I-steel bearing beam being supported at the top of barge, the 4th pair of I-steel
The top braces of bearing beam have first pair of I-steel bearing beam, the top of first pair of I-steel bearing beam to pass through the first steel tube poles branch
Support has second pair of I-steel bearing beam, and steel pipe cross bar is fixedly connected between second pair of I-steel bearing beam.
The platform lifting appliance includes control box, and the control box is supported on first by the first steel plate and the second steel plate
The top braces at the top of double I-steel shoulder pole girders, the control box are equipped with jack, the piston rod part of the jack
Steel strand wires are connected with, the steel strand wires pass through intermediate plate, second pair of I-steel shoulder pole that end passes through anchor and two groups of parallel arrangements
Beam is connected, and contacting steel band by channel steel between second pair of I-steel shoulder pole girder is connected, and the channel steel contacts steel band and second
The connected position of double I-steel shoulder pole girders is provided with third steel plate, and the 4th steel is provided on the second pair of I-steel shoulder pole girder
Second pair of I-steel shoulder pole girder of plate, bottom is connected by anchor ear with the cooperation of the steel truss steel pipe horizontal-associate of space truss structure.
The quantity of the jack is six, and is uniformly mounted on the top of multigroup first pair of I-steel shoulder pole girder.
Distinguish inserting piling in the upstream and downstream of operation platform and more second steel pipe auxiliary piles are installed；Second steel pipe of its middle and lower reaches
Auxiliary pile is as follow-up cofferdam platform for lining auxiliary pile.
The periphery of the steel pile casting, which is evenly distributed with inserting piling, more first steel pipe auxiliary piles, the top of the first steel pipe auxiliary pile
The double I-steel bearing beams of third are welded with, the third pair is welded with double between I-steel bearing beam and the side wall of the first steel pipe auxiliary pile
I-shaped steel corbel, and constitute cofferdam platform for lining.
Be provided between the steel pile casting interconnection the first steel pipe linking beam and the second steel pipe linking beam and mutually
The first double flute steel linking beam, the second double flute steel linking beam and the third double flute steel linking beam of connection.
The periphery of the steel pile casting is provided with steel cofferdam, and the steel cofferdam is assembled by multi-disc fragment steel cofferdam.
The utility model has the advantages that：
1, functionally：4 kinds of purposes of an operation platform are realized, which can both be used as 25 steel pile castings to position
Platform can also be used as large-scale Pile Installation Platform, be also used as cofferdam assembly and decentralization operation platform, while sealing for cofferdam
Bottom provides operation platform, has saved vast resources.
2, from process：It can ensure that pile foundation construction can be carried out at the same time with cofferdam assembly, save the duration.
3, in quality：By gradually moving barge, steel pile casting is transferred by row, there is stabilization and casing using platform
It is accurately positioned, casing leading truck has 7m spacing in vertical direction, and limit is accurate, ensure that the gradient and level of casing decentralization
Displacement is in permissible range.
4, technically：Guide pile takes into account the effect of auxiliary pile, and steel pile casting can be used as the support system of entire platform, space
Truss structure ensure that the stability of constructing structure.
5, the utility model provides a kind of in boulder bed large-sized deep water foundation construction platform, is refuted first using two large sizes
Ship is as the base support for setting up temporary platform, whole to promote platform after the completion of waiting for inserting piling steel pile casting by row, then uses steel pile casting
As platform, two barges exit work, complete the conversion of basic carrier body system.Again using the platform as pile foundation construction
Platform, while in 17 first steel pipe auxiliary piles 2 of steel pile casting periphery inserting piling and 1 second steel pipe auxiliary pile, and in upper steel pile casting
The double I-steel bearing beams of third and duplexing word steel corbel are welded, cofferdam assembly and decentralization are finally completed.
Description of the drawings
The utility model is described in further detail with reference to the accompanying drawings and examples.
Fig. 1 is elevation before the utility model deepwater foundation construction platform is promoted.
Fig. 2 is elevation after the utility model deepwater foundation construction platform is promoted.
Fig. 3 is the utility model deepwater foundation construction platform vertical view.
Fig. 4 is the partial enlarged view of the utility model platform lifting appliance.
In figure：1, steel pile casting, the 2, first steel pipe auxiliary pile, the 3, first steel tube poles, 4, first pairs of I-steel bearing beams, 5,
Two pairs of I-steel bearing beams, the 6, second steel tube poles, the 7, first steel pipe linking beam, the 8, second steel pipe linking beam, the 9, first double flute steel
Linking beam, the 10, second double flute steel linking beam, 11, third double flute steel linking beam, 12, the double I-steel bearing beams of third, 13, duplexing word
Steel corbel, 14, the 4th pairs of I-steel bearing beams, 15, platform lifting appliance, 16, first pairs of I-steel shoulder pole girders, 17, fragment steel encloses
Weir, 18, bottom compartment, 19, steel pipe cross bar, the 20, second steel pipe auxiliary pile, 21, jack, 22, steel strand wires, 23, control box, 24,
Intermediate plate, the 25, first steel plate, the 26, second steel plate, 27, second pairs of I-steel shoulder pole girders, 28, third steel plate, the 29, the 4th steel plate,
30, anchor, 31, channel steel contact steel band, 32, anchor ear, 33, steel truss steel pipe horizontal-associate, 34, barge, 35, boulder bed, 36, concrete-pile
Basis, 37, casing inserting piling platform, 38, steel cofferdam.
Specific implementation mode
The embodiment of the utility model is described further below in conjunction with the accompanying drawings.
Referring to Fig. 1-4, a kind of boulder bed large-sized deep water foundation construction platform, it includes the barge 34 being arranged symmetrically, described
The space truss structure positioned to steel pile casting 1 is assemblied between the top of barge 34；The top of the space truss structure
It is provided with casing inserting piling platform 37；Multigroup first pair of I-steel shoulder pole girder 16, institute are provided between the top of adjacent steel pile casting 1
State the platform lifting appliance being equipped between first pair of I-steel shoulder pole girder 16 and space truss structure for entire lifting platform
15.By using above-mentioned deepwater foundation construction platform, after whole steel pile castings 1 are in place, the platform is integrally promoted, recycling should
Platform is as pile foundation construction, cofferdam assembly and decentralization platform.And then construction period is shortened, save construction cost, Er Qiebao
Construction quality is demonstrate,proved.
Further, the space truss structure includes the 4th pair of I-steel bearing beam 14 for being supported on 34 top of barge, institute
The top braces for stating the 4th pair of I-steel bearing beam 14 have first pair of I-steel bearing beam 4, the top of first pair of I-steel bearing beam 4
It is supported by second pair of I-steel bearing beam 5 by the first steel tube poles 3, is fixedly connected between second pair of I-steel bearing beam 5
Steel pipe cross bar 19.Operation platform is constituted by the space truss structure；The platform can both be used as 25 steel pile castings to position
Platform can also be used as large-scale Pile Installation Platform, be also used as cofferdam assembly and decentralization operation platform, while sealing for cofferdam
Bottom provides operation platform, has saved vast resources.
Further, the platform lifting appliance 15 includes control box 23, and the control box 23 passes through 25 He of the first steel plate
Second steel plate 26 is supported on the top of first pair of I-steel shoulder pole girder 16, and the top braces of the control box 23 are equipped with jack
21, the piston rod part of the jack 21 is connected with steel strand wires 22, and the steel strand wires 22 pass through intermediate plate 24, and end passes through anchor
30 are connected with second pair of I-steel shoulder pole girder 27 of two groups of parallel arrangements, pass through slot between second pair of I-steel shoulder pole girder 27
Steel contacts steel band 31 and is connected, and the position that the channel steel contact steel band 31 is connected with second pair of I-steel shoulder pole girder 27 is provided with third
Steel plate 28 is provided with the 4th steel plate 29, second pair of I-steel shoulder pole girder 27 of bottom on the second pair of I-steel shoulder pole girder 27
It is connected with the cooperation of the steel truss steel pipe horizontal-associate 33 of space truss structure by anchor ear 32.Pass through 15 energy of platform lifting appliance
It is enough in the promotion of operation platform.It has been also convenient for the assembly of follow-up steel cofferdam.
Further, the quantity of the jack 21 is six, and is uniformly mounted on multigroup first pair of I-steel shoulder pole girder
16 top.The stability that ensure that promotion by six uniformly distributed jack 21 ensure that the gradient and water of casing decentralization
Prosposition moves in permissible range.
Further, distinguish inserting piling in the upstream and downstream of operation platform and more second steel pipe auxiliary piles 20 are installed；Its middle and lower reaches
The second steel pipe auxiliary pile 20 be used as follow-up cofferdam platform for lining auxiliary pile.
Further, the periphery of the steel pile casting 1, which is evenly distributed with inserting piling, more first steel pipe auxiliary piles 2, first steel pipe
The top of auxiliary pile 2 is welded with the double I-steel bearing beams 12 of third, the double I-steel bearing beams 12 of the third and the first steel pipe auxiliary pile 2
Side wall between be welded with duplexing word steel corbel 13, and constitute cofferdam platform for lining.
Further, the first steel pipe linking beam 7 and the second steel pipe that interconnection is provided between the steel pile casting 1 link
Beam 8 and the first double flute steel linking beam 9, the second double flute steel linking beam 10 and the third double flute steel linking beam 11 being connected with each other.It is logical
Cross the stability that above-mentioned contact girder construction ensure that operation platform.
Further, the periphery of the steel pile casting 1 is provided with steel cofferdam 38, and the steel cofferdam 38 is enclosed by multi-disc fragment steel
Weir 17 is assembled.
Embodiment 2：
The construction method of boulder bed large-sized deep water foundation construction platform, includes the following steps：
Step1：The thick gentle essence of cofferdam base plinth is carried out using chain bucket ship cooperation suction dredge to put down, and reaches cofferdam bottom concrete
Design bottom absolute altitude；
Step2：Using the first steel tube poles 3, the I-steel of I-steel bearing beam 4, second pairs of the second steel tube poles 6, first pairs
Bearing beam 5 constitutes operation platform in the space truss structure that two 34 assembly 5-7m high of barge container position steel pile casting 1,
And distinguish more second steel pipe auxiliary piles 20 of inserting piling in platform upstream and downstream, after the second steel pipe auxiliary pile 20 conduct of middle and lower reaches
Continuous cofferdam platform for lining auxiliary pile；
Step3：Under the limit of 5-7m high guiding mechanisms, using casing follow-up step, using impact drilled as holes and vibration hammer by
5 × 5 steel pile castings 1 are made a call in socket, complete being accurately positioned for whole 25 steel pile castings 1；
Step4：Then vertical-lift platform is set up on every group of two steel pile castings using first pair of I-steel shoulder pole girder 16
Interim hoisting platform, totally six platforms, uniformly, vertically, slowly lift by crane casing locating platform using six jack 21 and extremely design
Elevation replaces one action anchoring clamping piece 24 per 5m；
Step5：It waits for that casing locating platform overall increases to designed elevation, after forming Pile Installation Platform, then carries out stake
Base is constructed and cofferdam assembly, using impact holing method 25 pile bases of construction, while in more first steel of the peripheral inserting piling of steel pile casting 1
Pipe auxiliary pile 1 and a second steel pipe auxiliary pile 20, and the double I-steel bearing beams 12 of third and duplexing word steel corbel 13 are welded, as
Cofferdam platform for lining support；
Step6：By design requirement in the prefabricated every fragment steel cofferdam 17 in bank, using floating-crane lifting to design position,
The assembly in first section cofferdam is completed by the way of live spelling；After head section steel cofferdam assembly is good, ensure first section steel cofferdam anti-
It under the action of hitting fender, is slowly transferred using continous way jack, then transfers cofferdam by section assembling, wait for cofferdam integral assembling
Finish, uniformly to by way of the water filling of cofferdam, make cofferdam slowly, at the uniform velocity, vertical subsidence, after cofferdam is in place；
Step7：The protection of cofferdam periphery is carried out using packed sandstone, graded broken stone, gabion under upper, back cover uses C30
Underwater concrete, Fen Duocang, which is poured, pours C30 underwater concretes into cofferdam cavity to designed elevation.
The working process and principle of the utility model：
One kind being in boulder bed large-sized deep water foundation construction platform, uses 2 barge containers interim flat as setting up first
The base support of platform, it is whole to promote platform after the completion of waiting for inserting piling steel pile casting by row, then using steel pile casting as platform, 2
Barge exits work, completes the conversion of basic carrier body system.
Again using the platform as Pile Installation Platform, while in 17 first steel pipe auxiliary piles of steel pile casting periphery inserting piling
2 and 1 second steel pipe auxiliary piles 20, and in the double I-steel bearing beams 12 of upper steel pile casting welding third and duplexing word steel corbel 13, most
Cofferdam assembly and decentralization are completed afterwards.
The above embodiments are only the optimal technical scheme of the utility model, and are not construed as the limit for the utility model
System, the technical solution that the scope of protection of the utility model should be recorded with claim include the technical solution of claim record
The equivalents of middle technical characteristic are protection domain.Equivalent replacement i.e. within this range is improved, also in the utility model
Protection domain within.
Claims (8)
1. a kind of boulder bed large-sized deep water foundation construction platform, it is characterised in that：It includes the barge being arranged symmetrically（34）, described
Barge（34）Top between be assemblied with to steel pile casting（1）The space truss structure positioned；The space truss structure
Top is provided with casing inserting piling platform（37）；In adjacent steel pile casting（1）Top between to be provided with multigroup first pair of I-steel flat
Spreader beam（16）, first pair of I-steel shoulder pole girder（16）It is equipped between space truss structure for entire lifting platform
Platform lifting appliance（15）.
2. a kind of boulder bed large-sized deep water foundation construction platform according to claim 1, it is characterised in that：The space truss
Structure includes being supported on barge（34）The 4th pair of I-steel bearing beam at top（14）, the 4th pair of I-steel bearing beam（14）Top
Portion is supported by first pair of I-steel bearing beam（4）, first pair of I-steel bearing beam（4）Top pass through the first steel tube poles（3）
It is supported by second pair of I-steel bearing beam（5）, second pair of I-steel bearing beam（5）Between be fixedly connected with steel pipe cross bar（19）.
3. a kind of boulder bed large-sized deep water foundation construction platform according to claim 1, it is characterised in that：The platform lifting
Equipment（15）Including control box（23）, the control box（23）Pass through the first steel plate（25）With the second steel plate（26）It is supported on first
Double I-steel shoulder pole girders（16）Top, the control box（23）Top braces jack is installed（21）, the jack
（21）Piston rod part be connected with steel strand wires（22）, the steel strand wires（22）Across intermediate plate（24）, end passes through anchor（30）
With second pair of I-steel shoulder pole girder of two groups of parallel arrangements（27）It is connected, second pair of I-steel shoulder pole girder（27）Between pass through
Channel steel contacts steel band（31）It is connected, the channel steel contacts steel band（31）With second pair of I-steel shoulder pole girder（27）Connected position is set
It is equipped with third steel plate（28）, in second pair of I-steel shoulder pole girder（27）On be provided with the 4th steel plate（29）, second pair of bottom
I-steel shoulder pole girder（27）Pass through anchor ear（32）With the steel truss steel pipe horizontal-associate of space truss structure（33）Cooperation is connected.
4. a kind of boulder bed large-sized deep water foundation construction platform according to claim 3, it is characterised in that：The jack
（21）Quantity be six, and uniformly be mounted on multigroup first pair of I-steel shoulder pole girder（16）Top.
5. a kind of boulder bed large-sized deep water foundation construction platform according to claim 1, it is characterised in that：In operation platform
Distinguish inserting piling and more second steel pipe auxiliary piles are installed in upstream and downstream（20）；Second steel pipe auxiliary pile of its middle and lower reaches（20）As rear
Continuous cofferdam platform for lining auxiliary pile.
6. a kind of boulder bed large-sized deep water foundation construction platform according to claim 1, it is characterised in that：The steel pile casting
（1）Periphery be evenly distributed with inserting piling and have more first steel pipe auxiliary piles（2）, the first steel pipe auxiliary pile（2）Top be welded with
Three pairs of I-steel bearing beams（12）, the double I-steel bearing beams of the third（12）With the first steel pipe auxiliary pile（2）Side wall between weld
There is duplexing word steel corbel（13）, and constitute cofferdam platform for lining.
7. a kind of boulder bed large-sized deep water foundation construction platform according to claim 1, it is characterised in that：The steel pile casting
（1）Between be provided with the first steel pipe linking beam of interconnection（7）With the second steel pipe linking beam（8）And first be connected with each other
Double flute steel linking beam（9）, the second double flute steel linking beam（10）With third double flute steel linking beam（11）.
8. a kind of boulder bed large-sized deep water foundation construction platform according to claim 1, it is characterised in that：The steel pile casting
（1）Periphery be provided with steel cofferdam（38）, the steel cofferdam（38）Pass through multi-disc fragment steel cofferdam（17）It is assembled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820282171.1U CN208039210U (en) | 2018-02-28 | 2018-02-28 | A kind of boulder bed large-sized deep water foundation construction platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820282171.1U CN208039210U (en) | 2018-02-28 | 2018-02-28 | A kind of boulder bed large-sized deep water foundation construction platform |
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| Publication Number | Publication Date |
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| CN208039210U true CN208039210U (en) | 2018-11-02 |
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| CN201820282171.1U Active CN208039210U (en) | 2018-02-28 | 2018-02-28 | A kind of boulder bed large-sized deep water foundation construction platform |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110878556A (en) * | 2019-11-08 | 2020-03-13 | 中铁大桥局集团有限公司 | Construction method of deepwater cofferdam |
-
2018
- 2018-02-28 CN CN201820282171.1U patent/CN208039210U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110878556A (en) * | 2019-11-08 | 2020-03-13 | 中铁大桥局集团有限公司 | Construction method of deepwater cofferdam |
| CN110878556B (en) * | 2019-11-08 | 2021-07-20 | 中铁大桥局集团有限公司 | Construction method of deepwater cofferdam |
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