CN109356021A - Temporary rest pier waterborne and its construction method - Google Patents

Temporary rest pier waterborne and its construction method Download PDF

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Publication number
CN109356021A
CN109356021A CN201811426756.7A CN201811426756A CN109356021A CN 109356021 A CN109356021 A CN 109356021A CN 201811426756 A CN201811426756 A CN 201811426756A CN 109356021 A CN109356021 A CN 109356021A
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CN
China
Prior art keywords
supervisor
temporary rest
rest pier
diagonal brace
construction
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201811426756.7A
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Chinese (zh)
Inventor
巩天才
耿进军
郑辉
韩瑞宾
付超
何莉莉
王瑞强
樊中淮
蔡晓琨
周童
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangzhou Railway Group Engineering Co Ltd
China Railway Sixth Group Co Ltd
Guangzhou Engineering Co Ltd of China Railway Sixth Group Co Ltd
Original Assignee
Guangzhou Railway Group Engineering Co Ltd
China Railway Sixth Group Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Guangzhou Railway Group Engineering Co Ltd, China Railway Sixth Group Co Ltd filed Critical Guangzhou Railway Group Engineering Co Ltd
Priority to CN201811426756.7A priority Critical patent/CN109356021A/en
Publication of CN109356021A publication Critical patent/CN109356021A/en
Pending legal-status Critical Current

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Classifications

    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01DCONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D19/00Structural or constructional details of bridges
    • E01D19/02Piers; Abutments ; Protecting same against drifting ice
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01DCONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D21/00Methods or apparatus specially adapted for erecting or assembling bridges

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Bridges Or Land Bridges (AREA)

Abstract

This application involves technical field of bridge construction, more particularly, to the construction method of a kind of temporary rest pier waterborne and the temporary rest pier waterborne.Temporary rest pier waterborne includes multiple groups bracket and connection system, and multiple groups bracket parallel interval, which is arranged and passes through connection system, to link into an integrated entity;Every pack support includes more support tubular poles and diagonal brace, and more support tubular pole parallel intervals are linearly arranged, and is linked into an integrated entity by connecting system;Supporting tubular pole includes drilled pile, supervisor and column cap;Supervisor is vertically arranged, and the lower end of supervisor is connected by shear connector with drilled pile;Column cap is set to the upper end of supervisor;Diagonal brace is located at the two sides of multiple support tubular poles, and one end of diagonal brace is connected with the supervisor of outermost support tubular pole, the other end of diagonal brace and the upper end flush of supervisor.The temporary rest pier structure waterborne of the application is simple, assembled convenient disassembly, can shorten construction period, and the construction method equipment investment of symmetrical cantilever is few, risk is low, practicability is high, significantly reduces cost.

Description

Temporary rest pier waterborne and its construction method
Technical field
This application involves technical field of bridge construction, more particularly, to a kind of temporary rest pier waterborne and the temporary rest pier waterborne Construction method.
Background technique
How quickly, safe, economical with the development of traffic, building for cross a river longspan steel truss girder bridge is more and more, The erection construction for completing such bridge is key technical problem urgently to be solved in bridge construction.When execution conditions allow, it is Investment reduction shortens the construction time simultaneously.Steel pipe column temporary rest pier just has using flexible with it, tears more convenient, knot open Structure is also fairly simple practical, and cost also very low such several features play important in the construction of such railroad bridge Effect.
The steel truss girder scheme of architecture of domestic comparative maturity at present mainly has: falsework method, crane barge set up method, pushing frame is tried, Launching method, transportation by driving launching method etc..But the above construction method large scale equipment investment is greatly, construction period is longer.
Summary of the invention
The purpose of the present invention is to provide the construction methods of a kind of temporary rest pier waterborne and the temporary rest pier waterborne, to solve Steel truss girder frame construction method large scale equipment puts into big, the longer technical problem of construction period in the prior art.
The present invention provides a kind of temporary rest pier waterborne, including multiple groups bracket and connection system, between bracket described in multiple groups is parallel It links into an integrated entity every being arranged and passing through connection system;
Bracket described in every group includes more support tubular poles and diagonal brace, and the more support tubular pole parallel intervals are linearly arranged Cloth, and linked into an integrated entity by connection system;The support tubular pole includes drilled pile, supervisor and column cap;The supervisor is vertical Setting, the lower end of the supervisor is connected by shear connector with the drilled pile;The column cap is set to the upper end of the supervisor;
The diagonal brace is located at the two sides of multiple support tubular poles, and one end of the diagonal brace and the outermost support The supervisor of tubular pole is connected, the upper end flush of the other end of the diagonal brace and the supervisor.
Further, the bracket is two groups, and bracket described in every group includes four support tubular poles.
Further, the connection system includes horizontal connection tube and oblique connecting tube;The two neighboring supervisor is led to respectively It crosses the horizontal connection tube to be connected with the oblique connecting tube, and there are two the water for setting between the two neighboring supervisor Flushconnection pipe, the oblique connecting tube between the adjacent supervisor are located between two horizontal connection tubes.
Further, the connection system further includes vertical connecting tube, and the vertical connecting tube is located at the two neighboring master Between two horizontal connection tubes between pipe.
Further, the drilled pile diameter is 1.5m;
The supervisor uses the steel pipe that interior diameter is 22mm for 1800mm, wall thickness;
The connection system and the diagonal brace are all made of the steel pipe that interior diameter is 1000mm, wall thickness is 14mm.
Further, the shear connector is arranged in the range of from 10m below the bored piles top surface, and adjacent twice Spacing between the shear connector is 450mm.
Present invention also provides a kind of construction methods of temporary rest pier waterborne described in above-mentioned technical proposal, including following step It is rapid:
Step 100 sets up steel construction drilling platform as operation platform, and supervisor is installed on operation platform;
Step 200 uses impact drilled as holes under riverbed, and foundation construction is completed in construction drill stake;
Step 300, foundation construction are responsible for after completing to described in welding spreading under operation platform, and on supervisor's inner wall Weld shear connector, from below the bored piles top surface within the scope of 10m every 450mm be arranged one of shear connector;
After the completion of the supervisor's construction as described below of step 400, operation platform, meets the supervisor on high operation platform and construct Connection system makes the supervisor be connected to one;Construction diagonal brace;
Column cap is applied in the supervisor upper end after the completion of temporary rest pier steel-pipe pile in step 500, platform to be onstructed.
Further, cooperate vibration hammer inserting piling with pedrail crane when the supervisor below of operation platform described in spreading, put down After face position and verticality meet design requirement, by stake, steady stake, pressure under the self weight of the supervisor and pile monkey under measurement guidance Hammer, repetition measurement stake position and gradient start pile vibrosinking after meeting design and code requirement.
Further, supervisor is lifted and is welded using pedrail crane merogenesis above the operation platform;The supervisor Perpendicularity deviation control within 0.5%;The difference in height on each supervisor top is not more than 5mm.
Further, the drilled pile, the shear connector, the supervisor, connection system, the diagonal brace and the column cap Between connection be all made of welded connecting, weld seam is fillet weld.
Compared with prior art, the application has the beneficial effect that
Temporary rest pier waterborne provided by the present application includes multiple groups bracket and connection system, and multiple groups bracket parallel interval is set side by side It sets, is fixedly connected between bracket by connection system and is integrally formed temporary rest pier main structure.
Every pack support includes more support tubular poles and diagonal brace, and more support tubular poles are linearly arranged and parallel interval is arranged, And it is fixedly connected by connection system integral;The support tubular pole includes drilled pile, supervisor and column cap;Drilled pile construction mistake Cheng Zhongxian using impact drilled as holes, then in construction drill stake, construct by basis of formation.The supervisor is vertically arranged, and lower end passes through Shear connector is connected to one with the drilled pile, enhances the bearing capacity of temporary rest pier.The upper end of supervisor is provided with column Head is pile cover.The diagonal brace is located at the two sides of multiple support tubular poles, and one end of the diagonal brace and the outermost branch The supervisor of stay tube stake is mutually fixedly connected, the upper end flush of the other end of the diagonal brace and the supervisor, is formed symmetrical outstanding Spell structure.
The temporary rest pier structure waterborne of the application is simple, assembled convenient disassembly, therefore can shorten construction period, and symmetrical The construction method equipment investment of cantilever is few, and risk is low, practicability is high, significantly reduces cost.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the planar structure schematic diagram that temporary rest pier waterborne provided by the embodiments of the present application is faced;
Fig. 2 is the supervisor of temporary rest pier waterborne provided by the embodiments of the present application and the attachment structure schematic diagram of connection system;
Fig. 3 is the supervisor of temporary rest pier waterborne provided by the embodiments of the present application and another connection structure signal of connection system Figure;
Fig. 4 is the supervisor of temporary rest pier waterborne provided by the embodiments of the present application and the overlooking structure diagram of connection system.
1- drilled pile, 2- supervisor, 3- column cap, 4- diagonal brace, 5- shear connector, 6- connection system, 61- horizontal connection tube, 62- are oblique Connecting tube, the vertical connecting tube of 63-, 7- drilling platform, 8- bored piles top surface.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation Example is a part of the embodiment of the present invention, instead of all the embodiments.
The component for the embodiment of the present invention for usually describing and showing in attached drawing here can be with a variety of different configurations To arrange and design.Therefore, the detailed description of the embodiment of the present invention provided in the accompanying drawings is not intended to limit below and is wanted The scope of the present invention of protection is sought, but is merely representative of selected embodiment of the invention.
Based on the embodiments of the present invention, those of ordinary skill in the art are obtained without making creative work The every other embodiment obtained, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical", The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to Convenient for description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation, It is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term " first ", " second ", " third " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected;It can To be mechanical connection, it is also possible to be electrically connected;It can be directly connected, can also can be indirectly connected through an intermediary Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition Concrete meaning in invention.
Temporary rest pier waterborne and the interim branch waterborne according to some embodiments of the invention are described referring to Fig. 1 to Fig. 4 The construction method of pier.
Referring to figs. 1 to 4, embodiments herein provides a kind of temporary rest pier waterborne, including multiple groups bracket and Connection is 6, and it is 6 to link into an integrated entity that multiple groups bracket parallel interval, which is arranged and passes through connection,;
Every pack support includes more support tubular poles and diagonal brace 4, and more support tubular pole parallel intervals are linearly arranged, and are passed through Connection is 6 to link into an integrated entity;Support tubular pole includes drilled pile 1, supervisor 2 and column cap 3;Supervisor 2 is vertically arranged, and is responsible for 2 lower end It is connected by shear connector 5 with drilled pile 1;Column cap 3 is set to the upper end of supervisor 2;
Diagonal brace 4 is located at the two sides of multiple support tubular poles, and 2 phase of supervisor of one end of diagonal brace 4 and outermost support tubular pole Connection, the other end of diagonal brace 4 and the upper end flush of supervisor 2.
Temporary rest pier waterborne provided by the embodiments of the present application includes multiple groups bracket and connection is 6, multiple groups bracket parallel interval It is set side by side, by connection is 6 to be fixedly connected and be integrally formed temporary rest pier main structure between bracket.
Specifically, referring to figs. 1 to 4, every pack support includes more support tubular poles and diagonal brace 4, more support tubular poles Linearly arrangement and parallel interval is arranged, and by connection be 6 be fixedly connected it is integral;Support tubular pole includes drilled pile 1, supervisor 2 and column cap 3;First using impact drilled as holes in 1 work progress of drilled pile, then in construction drill stake 1, basis of formation construction.Supervisor 2 It is vertically arranged, lower end is connected to one by shear connector 5 with drilled pile 1, and the bearing capacity of temporary rest pier is enhanced.It is main The upper end of pipe 2 is provided with column cap 3 i.e. pile cover.Diagonal brace 4 is located at the two sides of multiple support tubular poles, and one end of diagonal brace 4 and outermost 2 phase of supervisor of support tubular pole be fixedly connected, the other end of diagonal brace 4 and the upper end flush of supervisor 2 form symmetrical cantilever knot Structure.
Preferably, the upper end of diagonal brace 4 is also equipped with column cap 3.
The temporary rest pier structure waterborne of the application is simple, assembled convenient disassembly, therefore can shorten construction period, and symmetrical The construction method equipment investment of cantilever is few, and risk is low, practicability is high, significantly reduces cost.
In one embodiment of the application, it is preferable that referring to figs. 1 to 4, bracket is two groups, every pack support packet Include four support tubular poles.
In this embodiment, bracket can be set to two groups according to specific condition of construction, every pack support includes four Tubular pole is supported, i.e., entire temporary rest pier is made of 8 support tubular poles.
It should be noted that according to different condition of construction and requiring that bracket can be also arranged to three groups, four groups etc., and every The quantity of support tubular pole between group can also adjust as the case may be, be not specifically limited again.
In one embodiment of the application, it is preferable that referring to shown in Fig. 2, it includes horizontal connection tube 61 and tiltedly that connection, which is 6, To connecting tube 62;Two neighboring supervisor 2 is connected by horizontal connection tube 61 with oblique connecting tube 62 respectively, and two neighboring master There are two horizontal connection tubes 61, the adjacent oblique connecting tube 62 being responsible between 2 to be located at two horizontal connection tubes 61 for setting between pipe 2 Between.
In this embodiment, it includes horizontal connection tube 61 and oblique connecting tube 62 that connection, which is 6, adjacent in same pack support Two supervisors 2 are linked into an integrated entity supervisor 2 by horizontal connection tube 61 and oblique connecting tube 62, the supervisor 2 of the bracket of difference group Between it is corresponding connected by horizontal connection tube 61 and oblique connecting tube 62 so that the stability connected between supervisor 2 is stronger, thus So that the strength and stability of temporary rest pier entirety is high.
In one embodiment of the application, it is preferable that referring to shown in Fig. 3, it further includes vertical connecting tube 63 that connection, which is 6, Vertical connecting tube 63 is located between two horizontal connection tubes 61 between two neighboring supervisor 2.
In this embodiment, when adjacent two supervisor 2 between interval it is larger when, it is two neighboring supervisor 2 between two Vertical connecting tube 63 is also set up between horizontal connection tube 61, further enhances the stability of support tubular pole.
In one embodiment of the application, it is preferable that 1 diameter of drilled pile is 1.5m;
Supervisor 2 uses the steel pipe that interior diameter is 22mm for 1800mm, wall thickness;
Connection is that 6 and diagonal brace 4 are all made of the steel pipe that interior diameter is 1000mm, wall thickness is 14mm.
It in this embodiment, is the strength and stability for guaranteeing temporary rest pier entirety, design 1 diameter of drilled pile is 1.5m, Construction is using impact drilled as holes, using steel construction drilling platform 7 is set up as operation platform when construction, takes and is into weak weathering 2D Con trolling index, stake is long as reference, and construction end Kong Shixu meets stake bottom absolute altitude and is embedded in weak weathering 2D.
Supervisor 2 uses the steel pipe that interior diameter is 22mm for 1800mm, wall thickness, material Q345B.
Connection is 6 and diagonal brace 4 is all made of the steel pipe that interior diameter is 1000mm, wall thickness is 14mm, material Q345B.
Column cap 3 is wall thickness 30mm steel plate, material Q345B.
In one embodiment of the application, it is preferable that shown in referring to Fig.1, the setting of shear connector 5 is from bored piles top surface In the range of 8 or less 10m, and the spacing between adjacent twice shear connector 5 is 450mm.
To guarantee to be responsible for the strength and stability connected between 2 and drilled pile 1 and the stability for guaranteeing temporary rest pier entirety, Shear connector 5 is arranged in the range of from 10m below 1 stake top of drilled pile, and the spacing between adjacent twice shear connector 5 is 450mm.
Present invention also provides a kind of construction methods of the temporary rest pier waterborne of above-described embodiment, comprising the following steps:
Step 100 sets up steel construction drilling platform 7 as operation platform, and installation is responsible for 2 on operation platform;
Step 200 uses impact drilled as holes under riverbed, and foundation construction is completed in construction drill stake 1;
To welding spreading supervisor 2 under operation platform after step 300, foundation construction completion, and welds and cut on being responsible for 2 inner walls One of shear connector 5 is arranged every 450mm within the scope of 8 or less 10m of bored piles top surface in power key 5;
After the completion of the construction of supervisor 2 below step 400, operation platform, the supervisor 2 on high operation platform is met and the connection system that constructs 6, so that supervisor 2 is connected to one;Construction diagonal brace 4;
Column cap 3 is applied in 2 upper ends of supervisor after the completion of temporary rest pier steel-pipe pile in step 500, platform to be onstructed.
In one embodiment of the application, it is preferable that spreading operation platform it is below supervisor 2 when cooperated with pedrail crane After vibration hammer inserting piling, plan-position and verticality meet design requirement, under the self weight under measurement guidance by supervisor 2 and pile monkey Stake, steady stake, hammer, repetition measurement stake position and gradient start pile vibrosinking after meeting design and code requirement.
In one embodiment of the application, it is preferable that supervisor 2 is lifted simultaneously using pedrail crane merogenesis above operation platform It is welded;The perpendicularity deviation of supervisor 2 controls within 0.5%;Verticality, stake top should be corrected when 2 welding of section supervisor up and down Horizontal position errors indulge bridge to control within 5cm, and direction across bridge controls within 10cm, using welding horse plate guiding when lifting The control of (specification 100mm*20*300mm) and total station survey, guarantees main steel pipe column verticality.It is measured and is controlled with level, really It protects main steel pipe column top absolute altitude and meets associated specifications requirement, each steel pipe column top difference in height is not more than 5mm.Steel pipe column butt welding is answered Using etc. strong butt welding, welding form be melt groove welding, credit rating is level-one, by code requirement carry out 100% flaw detection Detection.
In one embodiment of the application, it is preferable that drilled pile 1, shear connector 5, supervisor 2, connection are 6, diagonal brace 4 and column Connection is all made of welded connecting between first 3, and weld seam is fillet weld.
Wherein, shear connector 5 and supervisor's 2 inner walls welding together from the welding of 450mm below 1 stake top face of drilled pile are arranged in stake Down within the scope of 10m, weld seam is fillet weld, welding angle height 12mm on top.
Connection is that 6 weld seams are fillet weld, and weld bead height 10mm, weld appearance quality standard is three-level.
4 weld seam of diagonal brace is fillet weld, and weld bead height 12mm, weld appearance quality standard is three-level.
3 weld seam of column cap is fillet weld, and weld bead height 12mm, weld appearance quality standard is three-level.
Manual welding or CO can be used in welding2Gas shielded arc welding, wlding select J507,1.2 welding rod of ER50-6 Φ.It must before weldering Must guarantee welding region it is rustless, without greasy dirt, when welding, determines welding condition, is symmetrically welded using two people.After welding in time Clear up welding slag and splashing, it is ensured that weld appearance and internal soundness.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations;To the greatest extent Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into Row equivalent replacement;And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution The range of scheme.

Claims (10)

1. a kind of temporary rest pier waterborne, which is characterized in that including multiple groups bracket and connection system, bracket parallel interval described in multiple groups is set It sets and passes through the connection system and link into an integrated entity;
Bracket described in every group includes more support tubular poles and diagonal brace, and the more support tubular pole parallel intervals are linearly arranged, and By the connection, system links into an integrated entity;The support tubular pole includes drilled pile, supervisor and column cap;The supervisor is vertically arranged, The lower end of the supervisor is connected by shear connector with the drilled pile;The column cap is set to the upper end of the supervisor;
The diagonal brace is located at the two sides of multiple support tubular poles, and one end of the diagonal brace and the outermost support tubular pole The supervisor be connected, the upper end flush of the other end of the diagonal brace and the supervisor.
2. temporary rest pier waterborne according to claim 1, which is characterized in that the bracket is two groups, bracket described in every group Including four support tubular poles.
3. temporary rest pier waterborne according to claim 1, which is characterized in that the connection system is including horizontal connection tube and tiltedly To connecting tube;The two neighboring supervisor is connected by the horizontal connection tube with the oblique connecting tube respectively, and adjacent There are two the horizontal connection tube, the oblique connecting tube between the adjacent supervisor is located at for setting between two supervisors Between two horizontal connection tubes.
4. temporary rest pier waterborne according to claim 3, which is characterized in that the connection system further includes vertical connecting tube, The vertical connecting tube is between two horizontal connection tubes between the two neighboring supervisor.
5. temporary rest pier waterborne according to claim 1, which is characterized in that the drilled pile diameter is 1.5m;
The supervisor uses the steel pipe that interior diameter is 22mm for 1800mm, wall thickness;
The connection system and the diagonal brace are all made of the steel pipe that interior diameter is 1000mm, wall thickness is 14mm.
6. temporary rest pier waterborne according to claim 1, which is characterized in that shear connector setting is from the drilled pile Below stake top face in the range of 10m, and the spacing between shear connector described in adjacent twice is 450mm.
7. a kind of construction method of temporary rest pier waterborne as claimed in any one of claims 1 to 6, which is characterized in that including following Step:
Step 100 sets up steel construction drilling platform as operation platform, and supervisor is installed on operation platform;
Step 200 uses impact drilled as holes under riverbed, and foundation construction is completed in construction drill stake;
Step 300, foundation construction are responsible for after completing to described in welding spreading under operation platform, and are welded on supervisor's inner wall Shear connector, from below the bored piles top surface within the scope of 10m every 450mm be arranged one of shear connector;
After the completion of the supervisor's construction as described below of step 400, operation platform, the supervisor on high operation platform is met and connection of constructing System makes the supervisor be connected to one;Construction diagonal brace;
Column cap is applied in the supervisor upper end after the completion of temporary rest pier steel-pipe pile in step 500, platform to be onstructed.
8. the construction method of temporary rest pier waterborne according to claim 7, which is characterized in that operation platform described in spreading with Under the supervisor when cooperate vibration hammer inserting piling, plan-position and verticality to meet design requirement with pedrail crane after, measuring Stake, steady stake, hammer under the lower self weight by the supervisor and pile monkey of guidance, repetition measurement stake position and gradient, until meet design and After code requirement, start pile vibrosinking.
9. the construction method of temporary rest pier waterborne according to claim 7, which is characterized in that main above the operation platform Pipe is lifted and is welded using pedrail crane merogenesis;The perpendicularity deviation of the supervisor controls within 0.5%;Each master The difference in height at tube top end is not more than 5mm.
10. the construction method of temporary rest pier waterborne according to claim 7, which is characterized in that the drilled pile described is cut Connection is all made of welded connecting between power key, the supervisor, connection system, the diagonal brace and the column cap, and weld seam is angle Weld seam.
CN201811426756.7A 2018-11-27 2018-11-27 Temporary rest pier waterborne and its construction method Pending CN109356021A (en)

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Application Number Priority Date Filing Date Title
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CN112593490A (en) * 2020-11-30 2021-04-02 中铁大桥局集团有限公司 Counter-force support structure for longitudinal dragging construction of steel beam and using method thereof
CN115324106A (en) * 2022-08-19 2022-11-11 中建三局第三建设工程有限责任公司 Construction method for optimizing intermittent stop points of synchronous reverse construction technology
CN115324106B (en) * 2022-08-19 2023-08-18 中建三局第三建设工程有限责任公司 Construction method for optimizing intermittent stopping point of synchronous reverse construction technology

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