CN108277750A - The porous cast-in-place box culvert construct method of high roadbed deep soft foundation pile formula big cross section - Google Patents
The porous cast-in-place box culvert construct method of high roadbed deep soft foundation pile formula big cross section Download PDFInfo
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- CN108277750A CN108277750A CN201810228531.4A CN201810228531A CN108277750A CN 108277750 A CN108277750 A CN 108277750A CN 201810228531 A CN201810228531 A CN 201810228531A CN 108277750 A CN108277750 A CN 108277750A
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- pile
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- box culvert
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F5/00—Draining the sub-base, i.e. subgrade or ground-work, e.g. embankment of roads or of the ballastway of railways or draining-off road surface or ballastway drainage by trenches, culverts, or conduits or other specially adapted means
- E01F5/005—Culverts ; Head-structures for culverts, or for drainage-conduit outlets in slopes
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/10—Deep foundations
- E02D27/12—Pile foundations
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- Civil Engineering (AREA)
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- Life Sciences & Earth Sciences (AREA)
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Abstract
The present invention relates to a kind of porous cast-in-place box culvert construct methods of high roadbed deep soft foundation pile formula big cross section, it is characterised in that work progress is including excavating high roadbed deep soft foundation pile formula carrying system, the modular assembling Integral Steel sheet pile support system of regularization and being based on the porous cast-in-place box culvert construct technology of regularization Slidable template system big cross section after first precompressed.The present invention improves construction efficiency, applied to can obtain preferable technical economic benefit in Practical Project.
Description
Technical field
The present invention relates to a kind of porous cast-in-place box culvert construct methods of high roadbed deep soft foundation pile formula big cross section, belong to basis
Engineering construction field is suitable for the cast-in-place box culvert construct of pile formula big cross section.
Background technology
With flourishing for China's expressway construction cause, more and more newly-built high speed project input construction, old
Technique, aging method have been unable to meet the construction requirement of Modern High-Speed highway construction, therefore logical for big cross section multiple box culvert at present
Frequently with cast-in-place method, the porous cast-in-place box culvert of big cross section has the good characteristics such as good integrity, durability be strong, in many highways
It is used in engineering.China's Coastal Areas is dispersed with more deep soft foundation, is frequently encountered in highway construction various
Soft base.Soft base has the characteristics that high-moisture percentage, high-compressibility, intensity is low and bad hydraulic permeability, in subgrade construction, if place
It manages bad, easily causes that subgrade settlement is excessive, in turn results in destabilization of roadbed, the difference of pavement cracking and abutment and subgrade settlement
And phenomena such as causing bumping at bridge-head.Therefore to the construction technology for the porous cast-in-place box culvert of big cross section of constructing on high roadbed deep soft foundation
More stringent requirements are proposed.
Invention content
It is an object of the invention to be directed to deep soft foundation area box culvert construct process, a kind of elder generation is provided
After precompressed excavate high roadbed deep soft foundation pile formula carrying system, the modular assembling Integral Steel sheet pile support system of regularization with
And the method based on the porous cast-in-place box culvert construct technology of regularization Slidable template system big cross section.
In order to achieve the above technical purposes, present invention employs following technical schemes：
The porous cast-in-place box culvert construct method of high roadbed deep soft foundation pile formula big cross section, which is characterized in that including following step
Suddenly：
Step 1 after excavation of foundation pit, sets the pile for prestressed pipe (1) with pile cover (2), and pile cover (2) bottom is solid using bolt
Fixed anti-bias armlet (4) and the anti-detachment rib (3) of reinforcement；
Step 2 is laid with bed course, construction bearing platform (7) on pile for prestressed pipe (1)；
Step 3 is laid with steel wire grid (6) and blotter (5), formation pile formula reinforcement cushion on cushion cap (7)；
Step 4 excavates box culvert basis, and steel sheet pile (8) of constructing on pile formula reinforcement cushion is constructed on steel sheet pile (8)
Shaped steel Guan Liang (9) and steel wale (10), steel wale (10) between construct type steel support fixed with high-strength bolt (11)
(13) supporting is carried out；
Step 5, construction band is fitted into the thin plate loose tool (14) of rib (15), thin plate loose tool (14) on pile formula reinforcement cushion
Corner junction setting corner connection sheet (28) be fixed；
The built-in fitting for fixing outboard template (18) and inner side template (17) is arranged in step 6 on thin plate loose tool (14)
(16), outboard template (18) is lifted to fixed position；
Step 7 is laid with billet (19) on the pile formula reinforcement cushion on the outside of thin plate loose tool (14), installs supporting beam
(21), it lifts on sub-truss (22) to supporting beam (21) and is set up；
Step 8 installs universal wheel (20) under the supporting beam (21) of sub-truss (22) bottom, and by sub-truss
(22) it is moved to designated position with universal wheel；
Step 9, erection construction platform billet (24), and with sub-truss (22) at the top of using fixing bolt (23) into
Row is fixed；
Step 10, truss hoisting beam (25) are weldingly fixed on operation platform billet to design position, and by its both sides
(24) on；
Step 11 will lift straining beam (26) and will be fixed by bolts to designated position, and with outboard template (18)；
Step 12, assembled inner side template (17), is then hoisted to design position and fixation；
Step 13, inner side template (17) and outboard template (18) carry out pouring coagulation by the slip scaffold set up
Native (27) construction；
Step 14 after the completion of waiting for concrete curing, removes slip scaffold.
The porous cast-in-place box culvert of big cross section uses band pile cover (2) prestressed pipe using excavation construction after first precompressed, deep soft foundation
Stake (1) forms pile formula reinforcement cushion with steel wire grid (6) blotter (5), and prefabricated pile cover (2) is socketed anti-bias using bottom belt
Armlet (4) and the high strong ties for reinforcing anti-detachment rib (3) realization stake top and cover board.
The modular assembling Integral Steel sheet pile support system of regularization, including steel sheet pile (8) by steel wale (10) and
Shaped steel Guan Liang (9) is linked as steel sheet pile module units, realizes quickly bolt and dismounting by high-strength bolt (11), Guan Liang foundation pit side is set
Band silk mandril connecting pin (12) is set, support system is collectively formed with support (13) in steel sheet pile (8).
Regularization Slidable template system for the porous cast-in-place box culvert construct of big cross section, which is characterized in that described fixed
Type Slidable template system includes thin plate loose tool (14), outboard template (18), inner side template (17) and slip scaffold,
Thin plate loose tool (14) is equipped with the built-in fitting (16) for fixing outboard template (18) and inner side template (17), outboard template (18)
Between straining beam (26) is fixedly connected by top, slip scaffold is by billet (19), universal wheel (20), supporting beam
(21), sub-truss (22), fixing bolt (23), operation platform billet (24) and girder truss (25), billet (19) are set to
On pile formula reinforcement cushion on the outside of thin plate loose tool (14), universal wheel (20) is set to supporting beam (21) bottom, sub-truss (22)
It is erected in supporting beam (21)；It is fixed by fixing bolt (23) and girder truss (25) at the top of sub-truss (22), girder truss
(25) operation platform billet (24) is set on.
The invention has the characteristics that and advantageous effect：
(1) the prefabricated pile cover of the invention using bottom belt is socketed anti-bias armlet and reinforces anti-detachment rib realization stake top and cover board
High strong ties, it is ensured that Construction quality and safety is reliable.
(2) the invention steel sheet pile is linked as steel sheet pile module units by steel wale and shaped steel Guan Liang, and is linked as with support
Support system enhances the stability of supporting construction, it is ensured that work progress safety.
(3) the sliding pouring construction of unit or merogenesis is realized box culvert construct by the way that slip scaffold is arranged in the invention,
Construction efficiency is improved, construction speed is accelerated.
Description of the drawings
Fig. 1 overall structure diagrams
Fig. 2 thin plate loose tool structure charts
Fig. 3 operation platform billets overlap joint figure
In figure：1- pile for prestressed pipe；2- pile covers；3- reinforces anti-detachment rib；The anti-bias retaining walls of 4-；5- blotters；6- steel wires
Barrier；7- cushion caps；8- steel sheet piles；9- shaped steel Guan Liangs；10- steel wales；11- high-strength bolts；12- band silk mandrils connecting pin；13-
Support；14- thin plate fetal membranes；15- is fitted into rib；16- built-in fittings；17- inner side templates；18- outboard templates；19- billets；20- ten thousand
To wheel；21- supporting beams；22- sub-trusses；23- fixing bolts；24- operation platform billets；25- girder trusses；26- is to straining beam；
27- cast-in-place concretes；28- corner connection sheets.
Specific implementation mode
Invention is further described in detail below in conjunction with the accompanying drawings and by embodiment, which is not limited to following
Embodiment.
Fig. 1 is overall structure diagram, and Fig. 2 is thin plate loose tool structure chart, and Fig. 3 is operation platform billet overlap joint figure, ginseng
According to shown in Fig. 1-3.
The porous cast-in-place box culvert construct method of high roadbed deep soft foundation pile formula big cross section, work progress are opened after using first precompressed
Dig high roadbed deep soft foundation pile formula carrying system, the modular assembling Integral Steel sheet pile support system of regularization and based on fixed
The porous cast-in-place box culvert construct technology of type Slidable template system big cross section.
The porous cast-in-place box culvert of big cross section uses band 2 pile for prestressed pipe 1 of pile cover using excavation construction after first precompressed, deep soft foundation
Pile formula reinforcement cushion is formed with 6 blotter 5 of steel wire grid, prefabricated pile cover 2 is socketed anti-bias armlet 4 using bottom belt and reinforces
Anti-detachment rib 3 realizes the high strong ties of stake top and cover board.
Steel sheet pile 8 is linked as steel sheet pile module units by steel wale 10 and shaped steel Guan Liang 9, is realized by high-strength bolt 11
Quickly bolt and dismounting, Guan Liang foundation pit side setting band silk mandril connecting pin 12, prop is collectively formed with support 13 in steel sheet pile 8
System.
For the regularization Slidable template system of the porous cast-in-place box culvert construct of big cross section, including it is thin plate loose tool 14, outer
Side template 18, inner side template 17 and slip scaffold, thin plate loose tool 14 are equipped with for fixing outboard template 18 and interior side form
The built-in fitting 16 of plate 17 is fixedly connected with straining beam 26 by top between outboard template 18, and slip scaffold is by billet
19, universal wheel 20, supporting beam 21, sub-truss 22, fixing bolt 23, operation platform billet 24 and girder truss 25, billet
19 are set on the pile formula reinforcement cushion in 14 outside of thin plate loose tool, and universal wheel 20 is set to 21 bottom of supporting beam, and sub-truss 22 is taken
In supporting beam 21；22 top of sub-truss is fixed by fixing bolt 23 and girder truss 25, and facility work is flat on girder truss 25
Platform billet 24.
The porous cast-in-place box culvert construct method of high roadbed deep soft foundation pile formula big cross section, which is characterized in that including following step
Suddenly：
Step 1 after excavation of foundation pit, sets the pile for prestressed pipe 1 with pile cover 2,2 bottom of pile cover is fixed by bolts anti-bias
Armlet 4 and reinforce anti-detachment rib 3；
Step 2 is laid with bed course, construction bearing platform 7 on pile for prestressed pipe 1；
Step 3 is laid with steel wire grid 6 and blotter 5 on cushion cap 7, forms pile formula reinforcement cushion；
Step 4 excavates box culvert basis, steel sheet pile 8 of constructing on pile formula reinforcement cushion, shaped steel of constructing on steel sheet pile 8
Guan Liang 9 and steel wale 10 are fixed with high-strength bolt 11, and type steel support 13 of constructing between steel wale 10 carries out supporting；
Step 5, construction band is fitted into the thin plate loose tool 14 of rib 15, the corner of thin plate loose tool 14 on pile formula reinforcement cushion
Junction setting corner connection sheet 28 is fixed；
The built-in fitting 16 for fixing outboard template 18 and inner side template 17 is arranged on thin plate loose tool 14, hangs for step 6
Outboard template 18 is filled to fixed position；Outboard template 18 and inner side template 17 use modular assembling regularization template.
Step 7 is laid with billet 19 on the pile formula reinforcement cushion in 14 outside of thin plate loose tool, installs supporting beam 21, hang
On dress sub-truss 22 to supporting beam 21 and set up；
Step 8, the installation universal wheels 20 of supporting beam 21 times in 22 bottom of sub-truss, and by sub-truss 22 with universal
Wheel is moved to designated position；
Step 9, erection construction platform billet 24, and be fixed using fixing bolt 23 with 22 top of sub-truss；
Step 10, truss hoisting beam 25 are weldingly fixed on to design position, and by its both sides on operation platform billet 24；
Step 11 will lift straining beam 26 and will be fixed by bolts to designated position, and with outboard template 18；
Then step 12, assembled inner side template 17 are hoisted to design position and fixation；
Step 13, inner side template 17 and outboard template 18 carry out casting concrete 27 by the slip scaffold set up
Construction；
Step 14 after the completion of waiting for concrete curing, removes slip scaffold.
Claims (2)
1. the porous cast-in-place box culvert construct method of high roadbed deep soft foundation pile formula big cross section, which is characterized in that include the following steps：
Step 1 after excavation of foundation pit, sets the pile for prestressed pipe (1) with pile cover (2), pile cover (2) bottom is fixed by bolts anti-
It is partial to and side with arm (4) and reinforces anti-detachment rib (3)；
Step 2 is laid with bed course, construction bearing platform (7) on pile for prestressed pipe (1)；
Step 3 is laid with steel wire grid (6) and blotter (5), formation pile formula reinforcement cushion on cushion cap (7)；
Step 4 excavates box culvert basis, steel sheet pile (8) of constructing on pile formula reinforcement cushion, shaped steel of constructing on steel sheet pile (8)
Guan Liang (9) and steel wale (10), it is fixed with high-strength bolt (11), construct between steel wale (10) type steel support (13) into
Row supporting；
Step 5, construction band is fitted into the thin plate loose tool (14) of rib (15) on pile formula reinforcement cushion, and thin plate loose tool (14) turns
Angle junction setting corner connection sheet (28) is fixed；
The built-in fitting for fixing outboard template (18) and inner side template (17) is arranged in step 6 on thin plate loose tool (14)
(16), outboard template (18) is lifted to fixed position；
Step 7, is laid with billet (19) on the pile formula reinforcement cushion on the outside of thin plate loose tool (14), installation supporting beam (21),
On lifting sub-truss (22) to supporting beam (21) and set up；
Step 8 installs universal wheel (20) under the supporting beam (21) of sub-truss (22) bottom, and sub-truss (22) is used
Universal wheel is moved to designated position；
Step 9, erection construction platform billet (24), and consolidated using fixing bolt (23) at the top of sub-truss (22)
It is fixed；
Step 10, truss hoisting beam (25) are weldingly fixed on to design position, and by its both sides on operation platform billet (24)；
Step 11 will lift straining beam (26) and will be fixed by bolts to designated position, and with outboard template (18)；
Step 12, assembled inner side template (17), is then hoisted to design position and fixation；
Step 13, inner side template (17) and outboard template (18) carry out casting concrete by the slip scaffold set up
(27) it constructs；
Step 14 after the completion of waiting for concrete curing, removes slip scaffold.
2. construction method according to claim 1, which is characterized in that outboard template (18) and inner side template (17) are using single
First formula assembling regularization template.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810228531.4A CN108277750B (en) | 2018-03-20 | 2018-03-20 | Construction method of high-fill deep-thick soft foundation pile-supported large-section porous cast-in-place box culvert |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810228531.4A CN108277750B (en) | 2018-03-20 | 2018-03-20 | Construction method of high-fill deep-thick soft foundation pile-supported large-section porous cast-in-place box culvert |
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| Publication Number | Publication Date |
|---|---|
| CN108277750A true CN108277750A (en) | 2018-07-13 |
| CN108277750B CN108277750B (en) | 2020-08-14 |
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| CN201810228531.4A Active CN108277750B (en) | 2018-03-20 | 2018-03-20 | Construction method of high-fill deep-thick soft foundation pile-supported large-section porous cast-in-place box culvert |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110777835A (en) * | 2019-10-31 | 2020-02-11 | 安徽省路港工程有限责任公司 | Construction method of steel pipe pile supporting pile foundation bearing platform formwork system |
| CN115418983A (en) * | 2022-09-27 | 2022-12-02 | 中铁十四局集团有限公司 | Construction method for prefabricated box culvert in highway-railway combined large-section shield tunnel |
| CN116122190A (en) * | 2023-04-13 | 2023-05-16 | 山西建投建筑产业有限公司 | Construction structure and construction process for assembled integral multi-cabin drainage box culvert |
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| CN103821160A (en) * | 2014-01-28 | 2014-05-28 | 中铁二院工程集团有限责任公司 | Soft soil foundation combined pile net structure |
| CN105625202A (en) * | 2016-03-18 | 2016-06-01 | 杭州江润科技有限公司 | Construction method of large-cross-section, porous, super-long and cast-in-place box culvert |
| CN107268573A (en) * | 2017-07-18 | 2017-10-20 | 深圳市工勘岩土集团有限公司 | The composite construction of soft soil foundation |
| CN107542096A (en) * | 2017-08-29 | 2018-01-05 | 中国建筑第八工程局有限公司 | The supporting construction of dam body between a kind of Adjacent Pit |
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Patent Citations (5)
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| CN203514315U (en) * | 2013-08-06 | 2014-04-02 | 江苏翔森建设工程有限公司 | Reinforced connecting structure between pile and pile cap |
| CN103821160A (en) * | 2014-01-28 | 2014-05-28 | 中铁二院工程集团有限责任公司 | Soft soil foundation combined pile net structure |
| CN105625202A (en) * | 2016-03-18 | 2016-06-01 | 杭州江润科技有限公司 | Construction method of large-cross-section, porous, super-long and cast-in-place box culvert |
| CN107268573A (en) * | 2017-07-18 | 2017-10-20 | 深圳市工勘岩土集团有限公司 | The composite construction of soft soil foundation |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110777835A (en) * | 2019-10-31 | 2020-02-11 | 安徽省路港工程有限责任公司 | Construction method of steel pipe pile supporting pile foundation bearing platform formwork system |
| CN110777835B (en) * | 2019-10-31 | 2021-04-27 | 安徽省路港工程有限责任公司 | Construction method of steel pipe pile supporting pile foundation bearing platform formwork system |
| CN115418983A (en) * | 2022-09-27 | 2022-12-02 | 中铁十四局集团有限公司 | Construction method for prefabricated box culvert in highway-railway combined large-section shield tunnel |
| CN116122190A (en) * | 2023-04-13 | 2023-05-16 | 山西建投建筑产业有限公司 | Construction structure and construction process for assembled integral multi-cabin drainage box culvert |
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| CN108277750B (en) | 2020-08-14 |
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