CN106968176A - A kind of embedding batholith foundation construction of bridge deepwater - Google Patents
A kind of embedding batholith foundation construction of bridge deepwater Download PDFInfo
- Publication number
- CN106968176A CN106968176A CN201710183021.5A CN201710183021A CN106968176A CN 106968176 A CN106968176 A CN 106968176A CN 201710183021 A CN201710183021 A CN 201710183021A CN 106968176 A CN106968176 A CN 106968176A
- Authority
- CN
- China
- Prior art keywords
- cofferdam
- construction
- platform
- batholith
- embedding
- 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
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D19/00—Keeping dry foundation sites or other areas in the ground
- E02D19/02—Restraining of open water
- E02D19/04—Restraining of open water by coffer-dams, e.g. made of sheet piles
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
Abstract
The invention discloses a kind of embedding batholith foundation construction of bridge deepwater, it is related to bridge foundation construction technical field；The present invention is according to riverbed rock stratum situation and specific environmental requirement, by setting cofferdam locating slot, make cofferdam stable on the thin riverbed of coating, and it is effectively anchored in riverbed by casting concrete in groove, cofferdam had both been met cofferdam and cross big vast requirement, cofferdam effective sealing purpose requirement in the case of not back cover is met again, simplifies the deepwater foundation construction technique under specific environmental requirement；After being drawn water in cofferdam, dry operating environment is formed, it is easy to operate, effectively shorten the construction period, save bottom concrete, by the use of cofferdam inner support as drilling platform, reduce construction cost.
Description
Technical field
The present invention relates to bridge foundation construction technical field, specially a kind of embedding batholith foundation construction of bridge deepwater.
Background technology
At present, it is general using the basic pile foundation of first construction bridges on the water in the construction of bridge foundation, utilize pile foundation steel pile casting
Double-Wall Steel Boxed Cofferdam is transferred, bearing platform construction is then carried out, such a arrangement and method for construction water-stagnating effect is poor, efficiency of construction is low, construction environment
Difference, construction cost is high.
The content of the invention
The purpose of the present invention is that provides a kind of bridge deepwater embedding batholith foundation construction to solve the above problems.
The present invention is achieved through the following technical solutions above-mentioned purpose, a kind of embedding batholith foundation construction of bridge deepwater, bag
Include following construction procedure：
S1, first cleaning rock surface coating, set up groove milling platform, install rotary drilling rig on washing trough platform, are accurately positioned, and carry out
Cofferdam locating slot construction, is excavated to 1m below middle weathered rock formation top surface by riverbed rock stratum, after the completion of locating slot construction, utilizes diving
Member to situation in groove touch and visits and clear up；
S2, washing trough Platform pipe column weld platform for lining bracket, set up the bottomless cofferdam platform for lining of double-walled steel jacket box, according to
Water level conditions, determine the assembled height in cofferdam；
S3, installation cofferdam lowering system, cofferdam is changed to lowering system from platform for lining, transferred to cofferdam locating slot bottom,
According to cofferdam state, cofferdam posture is finely tuned using lowering system；
S4, cofferdam borehole wall concrete is poured to scar, concrete is reached after intensity, release the company between cofferdam and lowering system
Connect, high cofferdam is connect by design requirement；
Drawn water in S5, cofferdam to riverbed scar, cutting basement rock in the basement rock in the range of mechanical treatment cushion cap, cofferdam using rock mass digs
Except to cushion cap bottom 30cm, and in cofferdam corner, sump is set；
S6, by the use of cofferdam inner support as guiding, be accurately positioned steel pile casting, steel pile casting dropped down onto into scar top layer, pour 30cm pads
Layer concrete, its lower end is fixed on scar；
S7, in steel pile casting and inner support correspondence position, weld bracket, for drilled pile construction, impact drill be installed on inner support
Machine, drilled pile construction then carries out cushion cap reinforcing bar colligation, carries out bearing platform construction.
It is preferred that, in the S1, with reference to formation geology at bridge location and guarantor's particular/special requirement, using rotary drilling rig in cofferdam scope
It is interior progress locating slot construction, clamping slot depth need to below middle weathered rock top surface 1m.
In the S2, Double-wall sin-gle-image radiography is anti-fog durability cofferdam, and bottom is inside and outside along nothing in the range of short transverse 2m
Panel.
In the S3, by sinking of cofferdam to bottom land, borehole wall concrete is poured to certain altitude, and cofferdam is met sealing will
Ask.
In the S6, before casting concrete bed course, sump is set in cofferdam corner, rock cranny is extracted out from cofferdam inside
Infiltration.
In the S6, cofferdam inner support both transferred guider as steel pile casting, and was used as Drilling Platform for Bored Pile Construction.
The beneficial effects of the invention are as follows：The present invention is enclosed according to riverbed rock stratum situation and specific environmental requirement by setting
Weir locating slot, makes cofferdam is stable it is effectively anchored in riverbed on the thin riverbed of coating, and by casting concrete in groove,
Cofferdam had both been met cofferdam and cross big vast requirement, cofferdam effective sealing purpose requirement in the case of not back cover is met again, spy is simplified
Determine the deepwater foundation construction technique under environmental requirement；After being drawn water in cofferdam, dry operating environment is formed, it is easy to operate, effectively shorten
Construction period, bottom concrete is saved, by the use of cofferdam inner support as drilling platform, reduce construction cost.
Brief description of the drawings
Fig. 1 is construction method schematic diagram of the present invention；
Fig. 2 is Double-Wall Steel Boxed Cofferdam groove milling platform construction figure in the present invention；
In figure：1- steel platforms, 2- rotary drilling rigs
Fig. 3 is Double-Wall Steel Boxed Cofferdam decentralization figure in the present invention；
In figure：3- transfers bracket, 4- Double-Wall Steel Boxed Cofferdams
Fig. 4 is pile foundation construction drawing of the present invention；
In figure：5- steel pile castings, 6- inner supports
Fig. 5 is bottom concrete construction drawing in the present invention；
Fig. 6 is cofferdam top view in the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
Embodiment：
Refer to shown in Fig. 1-6, a kind of embedding batholith foundation construction of bridge deepwater, including following construction procedure：
S1, first cleaning rock surface coating, set up groove milling platform, install rotary drilling rig on washing trough platform, are accurately positioned, and carry out
Cofferdam locating slot construction, is excavated to 1m below middle weathered rock formation top surface by riverbed rock stratum, after the completion of locating slot construction, utilizes diving
Member to situation in groove touch and visits and clear up；Wherein, with reference to formation geology at bridge location and guarantor's particular/special requirement, churning driven is utilized
Machine carries out locating slot construction in the range of cofferdam, clamping slot depth need to below middle weathered rock top surface 1m；
S2, washing trough Platform pipe column weld platform for lining bracket, set up the bottomless cofferdam platform for lining of double-walled steel jacket box, according to
Water level conditions, determine the assembled height in cofferdam；Wherein Double-wall sin-gle-image radiography is anti-fog durability cofferdam, and bottom is along short transverse 2m
In the range of without inside and outside panel；
S3, installation cofferdam lowering system, cofferdam is changed to lowering system from platform for lining, transferred to cofferdam locating slot bottom,
According to cofferdam state, cofferdam posture is finely tuned using lowering system；And by sinking of cofferdam to bottom land, borehole wall concrete is poured to one
Fixed height, makes cofferdam meet sealing requirement.
S4, cofferdam borehole wall concrete is poured to scar, concrete is reached after intensity, release between cofferdam and lowering system
Connection, high cofferdam is connect by design requirement；
Drawn water in S5, cofferdam to riverbed scar, cutting basement rock in the basement rock in the range of mechanical treatment cushion cap, cofferdam using rock mass digs
Except to cushion cap bottom 30cm, and in cofferdam corner, sump is set；
S6, by the use of cofferdam inner support as guiding, be accurately positioned steel pile casting, steel pile casting dropped down onto into scar top layer, pour 30cm pads
Layer concrete, its lower end is fixed on scar；Wherein before casting concrete bed course, sump is set in cofferdam corner, from enclosing
Extract rock cranny infiltration inside weir out；Cofferdam inner support both transferred guider as steel pile casting, and flat as drilled pile construction
Platform；
S7, in steel pile casting and inner support correspondence position, weld bracket, for drilled pile construction, impact drill be installed on inner support
Machine, drilled pile construction then carries out cushion cap reinforcing bar colligation, carries out bearing platform construction.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention is by appended power
Profit is required rather than described above is limited, it is intended that all in the implication and scope of the equivalency of claim by falling
Change is included in the present invention.Any reference in claim should not be considered as to the claim involved by limitation.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped
Containing an independent technical scheme, this narrating mode of specification is only that for clarity, those skilled in the art should
Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
It may be appreciated other embodiment.
Claims (6)
1. a kind of embedding batholith foundation construction of bridge deepwater, it is characterised in that including following construction procedure：
S1, first cleaning rock surface coating, set up groove milling platform, install rotary drilling rig on washing trough platform, are accurately positioned, and carry out
Cofferdam locating slot construction, is excavated to 1m below middle weathered rock formation top surface by riverbed rock stratum, after the completion of locating slot construction, utilizes diving
Member to situation in groove touch and visits and clear up；
S2, washing trough Platform pipe column weld platform for lining bracket, set up the bottomless cofferdam platform for lining of double-walled steel jacket box, according to
Water level conditions, determine the assembled height in cofferdam；
S3, installation cofferdam lowering system, cofferdam is changed to lowering system from platform for lining, transferred to cofferdam locating slot bottom,
According to cofferdam state, cofferdam posture is finely tuned using lowering system；
S4, cofferdam borehole wall concrete is poured to scar, concrete is reached after intensity, release the company between cofferdam and lowering system
Connect, high cofferdam is connect by design requirement；
Drawn water in S5, cofferdam to riverbed scar, cutting basement rock in the basement rock in the range of mechanical treatment cushion cap, cofferdam using rock mass digs
Except to cushion cap bottom 30cm, and in cofferdam corner, sump is set；
S6, by the use of cofferdam inner support as guiding, be accurately positioned steel pile casting, steel pile casting dropped down onto into scar top layer, pour 30cm pads
Layer concrete, its lower end is fixed on scar；
S7, in steel pile casting and inner support correspondence position, weld bracket, for drilled pile construction, impact drill be installed on inner support
Machine, drilled pile construction then carries out cushion cap reinforcing bar colligation, carries out bearing platform construction.
2. the embedding batholith foundation construction of a kind of bridge deepwater according to claim 1, it is characterised in that：In the S1, knot
Formation geology and guarantor's particular/special requirement at bridge location are closed, locating slot construction is carried out in the range of cofferdam using rotary drilling rig, groove depth is positioned
Degree need to below middle weathered rock top surface 1m.
3. the embedding batholith foundation construction of a kind of bridge deepwater according to claim 1, it is characterised in that：It is double in the S2
Wall steel boxed cofferdam is anti-fog durability cofferdam, and bottom along in the range of short transverse 2m without inside and outside panel.
4. the embedding batholith foundation construction of a kind of bridge deepwater according to claim 1, it is characterised in that：, will in the S3
Sinking of cofferdam pours borehole wall concrete to certain altitude, cofferdam is met sealing requirement to bottom land.
5. the embedding batholith foundation construction of a kind of bridge deepwater according to claim 1, it is characterised in that：In the S6, pour
Build before concrete cushion, sump is set in cofferdam corner, rock cranny infiltration is extracted out from cofferdam inside.
6. the embedding batholith foundation construction of a kind of bridge deepwater according to claim 1, it is characterised in that：In the S6, enclose
Weir inner support both transferred guider as steel pile casting, and was used as Drilling Platform for Bored Pile Construction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710183021.5A CN106968176A (en) | 2017-03-24 | 2017-03-24 | A kind of embedding batholith foundation construction of bridge deepwater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710183021.5A CN106968176A (en) | 2017-03-24 | 2017-03-24 | A kind of embedding batholith foundation construction of bridge deepwater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106968176A true CN106968176A (en) | 2017-07-21 |
Family
ID=59328987
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710183021.5A Pending CN106968176A (en) | 2017-03-24 | 2017-03-24 | A kind of embedding batholith foundation construction of bridge deepwater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106968176A (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107869144A (en) * | 2017-11-17 | 2018-04-03 | 中铁二十二局集团第四工程有限公司 | A kind of pre- slotting ring seal Double-Wall Steel Boxed Cofferdam deep water foundation comprehensive construction method |
| CN108179735A (en) * | 2018-02-28 | 2018-06-19 | 中国葛洲坝集团第五工程有限公司 | A kind of boulder bed large-sized deep water foundation construction platform and method |
| CN108179759A (en) * | 2017-12-29 | 2018-06-19 | 重庆华力建设有限公司 | The underwater drill core slotting of driftway is without bottom sealing method |
| CN109469084A (en) * | 2018-09-21 | 2019-03-15 | 中交武汉港湾工程设计研究院有限公司 | The embedded construction method of deep water hard rock |
| CN109469085A (en) * | 2018-08-13 | 2019-03-15 | 中建三局第三建设工程有限责任公司 | A kind of embedding rock cushion cap foundation construction method of deep water |
| CN109707307A (en) * | 2018-12-11 | 2019-05-03 | 中铁五局集团贵州工程有限公司 | At the construction method of polygon annular groove on a kind of rock stratum under water |
| CN111119213A (en) * | 2019-12-18 | 2020-05-08 | 中建三局基础设施建设投资有限公司 | Double-wall steel cofferdam with open edge feet and construction method thereof |
| CN111608173A (en) * | 2020-06-04 | 2020-09-01 | 石家庄铁道大学 | Construction method and device for deep water steep slope bare rock drilled pile |
| CN112411593A (en) * | 2020-11-26 | 2021-02-26 | 中国铁建大桥工程局集团有限公司 | Construction method of steel sleeve box for rock-socketed bearing platform construction under water level change |
| CN113585302A (en) * | 2021-07-22 | 2021-11-02 | 中交第二航务工程局有限公司 | Construction method of bottom-sealing-free concrete double-wall steel cofferdam for deep water bare rock geology |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011006982A (en) * | 2009-06-29 | 2011-01-13 | Jfe Steel Corp | Wall structure constructed in ground and construction method for the same |
| CN102011405A (en) * | 2010-11-17 | 2011-04-13 | 安徽省公路桥梁工程公司 | Deepwater cofferdam slot sinking construction method |
| CN102720140A (en) * | 2012-07-12 | 2012-10-10 | 中铁二十局集团第一工程有限公司 | Large-span prestress concrete continuous beam deepwater pier construction process |
| CN102864779A (en) * | 2012-10-25 | 2013-01-09 | 中铁上海工程局有限公司第五分公司 | Method for synchronously controlling sinking double-wall steel cofferdam by jack |
| CN106088120A (en) * | 2016-06-16 | 2016-11-09 | 中铁上海工程局集团有限公司 | Construction method is transferred in a kind of cofferdam |
-
2017
- 2017-03-24 CN CN201710183021.5A patent/CN106968176A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011006982A (en) * | 2009-06-29 | 2011-01-13 | Jfe Steel Corp | Wall structure constructed in ground and construction method for the same |
| CN102011405A (en) * | 2010-11-17 | 2011-04-13 | 安徽省公路桥梁工程公司 | Deepwater cofferdam slot sinking construction method |
| CN102720140A (en) * | 2012-07-12 | 2012-10-10 | 中铁二十局集团第一工程有限公司 | Large-span prestress concrete continuous beam deepwater pier construction process |
| CN102864779A (en) * | 2012-10-25 | 2013-01-09 | 中铁上海工程局有限公司第五分公司 | Method for synchronously controlling sinking double-wall steel cofferdam by jack |
| CN106088120A (en) * | 2016-06-16 | 2016-11-09 | 中铁上海工程局集团有限公司 | Construction method is transferred in a kind of cofferdam |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107869144A (en) * | 2017-11-17 | 2018-04-03 | 中铁二十二局集团第四工程有限公司 | A kind of pre- slotting ring seal Double-Wall Steel Boxed Cofferdam deep water foundation comprehensive construction method |
| CN108179759B (en) * | 2017-12-29 | 2020-06-26 | 重庆华力建设有限公司 | Underwater core drilling and undercutting bottomless method for pilot well |
| CN108179759A (en) * | 2017-12-29 | 2018-06-19 | 重庆华力建设有限公司 | The underwater drill core slotting of driftway is without bottom sealing method |
| CN108179735A (en) * | 2018-02-28 | 2018-06-19 | 中国葛洲坝集团第五工程有限公司 | A kind of boulder bed large-sized deep water foundation construction platform and method |
| CN108179735B (en) * | 2018-02-28 | 2023-09-08 | 中国葛洲坝集团路桥工程有限公司 | Pebble layer large-scale deep water foundation construction platform and pebble layer large-scale deep water foundation construction method |
| CN109469085A (en) * | 2018-08-13 | 2019-03-15 | 中建三局第三建设工程有限责任公司 | A kind of embedding rock cushion cap foundation construction method of deep water |
| CN109469084B (en) * | 2018-09-21 | 2020-10-16 | 中交武汉港湾工程设计研究院有限公司 | Construction method of deep water hard rock embedded bearing platform |
| CN109469084A (en) * | 2018-09-21 | 2019-03-15 | 中交武汉港湾工程设计研究院有限公司 | The embedded construction method of deep water hard rock |
| CN109707307A (en) * | 2018-12-11 | 2019-05-03 | 中铁五局集团贵州工程有限公司 | At the construction method of polygon annular groove on a kind of rock stratum under water |
| CN111119213A (en) * | 2019-12-18 | 2020-05-08 | 中建三局基础设施建设投资有限公司 | Double-wall steel cofferdam with open edge feet and construction method thereof |
| CN111608173A (en) * | 2020-06-04 | 2020-09-01 | 石家庄铁道大学 | Construction method and device for deep water steep slope bare rock drilled pile |
| CN112411593A (en) * | 2020-11-26 | 2021-02-26 | 中国铁建大桥工程局集团有限公司 | Construction method of steel sleeve box for rock-socketed bearing platform construction under water level change |
| CN113585302A (en) * | 2021-07-22 | 2021-11-02 | 中交第二航务工程局有限公司 | Construction method of bottom-sealing-free concrete double-wall steel cofferdam for deep water bare rock geology |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106968176A (en) | A kind of embedding batholith foundation construction of bridge deepwater | |
| CN102704957B (en) | Shed-frame method for shallowly burying large-sized underground structure construction | |
| CN106381866A (en) | Construction method of ultra-deep underground diaphragm wall in water-rich soft-soil area | |
| CN104612143B (en) | Composite pile constructed in drilled hole structure under a kind of solution cavity/soil cave geological conditions | |
| CN104846829B (en) | Shield-reserved penetration composite type foundation pit support wall and construction method thereof | |
| CN102966108B (en) | Construction method of deep foundation pit close to building and adopting underground structure as internal support | |
| CN104099943B (en) | Diaphram wall and discarded underground civil defense engineering intersection processing method | |
| CN105239578B (en) | Water-rich sand layer deep foundation pit underwater construction method | |
| CN104947649A (en) | Control method for open caisson back soil deformation caused by pipe-jacking construction | |
| CN106930276A (en) | The deep hole blasting of rotary digging bored concrete pile and the construction method of conduit rotary digging removing obstacles | |
| CN112031017A (en) | Construction method suitable for deep water pile foundation steel casing under bare rock geological condition | |
| CN102134853A (en) | CT sealed steel pipe pile foundation pit water stop supporting device and construction method thereof | |
| CN106592605A (en) | Construction method of foundation pit bracing with tri-axial stirring piles overlapped with reinforced concrete cast-in-place piles to be driven | |
| CN107059900A (en) | The construction method that a kind of Double-wall sin-gle-image radiography quickly sinks in sand-pebble layer | |
| CN202809629U (en) | Pressure-reduction and dewatering supplementary well completion structure in disturbance stratum inside foundation pit | |
| CN209260739U (en) | A kind of foundation pit water-stopping system close to river permeable stratum | |
| CN104452776B (en) | Meet with the one construction Treatment Methods of diaphragm wall during boulder | |
| CN204252148U (en) | High artesian thick sand-pebble layer deep foundation ditch slip casting back cover structure | |
| Viggiani et al. | Geotechnical aspects of underground railway construction in the urban environment: the examples of Rome and Naples | |
| CN107012792B (en) | A kind of construction method of bridge substructure | |
| CN106049467A (en) | Method for treating slurry leakage of bored pile through percussion drill under complex geology | |
| CN205296194U (en) | Rich irrigated land layer undercut tunnel interlock pipe curtain | |
| CN205999924U (en) | A kind of Metro station excavation blast working safeguard structure | |
| CN104863188A (en) | Self-ballasting type anti-floating construction method | |
| CN110258521A (en) | Ground-connecting-wall encloses well construction |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170721 |
|
| RJ01 | Rejection of invention patent application after publication |