CN105386408B - Deep-water bridge pile foundation construction method - Google Patents

Deep-water bridge pile foundation construction method Download PDF

Info

Publication number
CN105386408B
CN105386408B CN201510733473.7A CN201510733473A CN105386408B CN 105386408 B CN105386408 B CN 105386408B CN 201510733473 A CN201510733473 A CN 201510733473A CN 105386408 B CN105386408 B CN 105386408B
Authority
CN
China
Prior art keywords
steel
pile casting
construction
steel pile
leading truck
Prior art date
Application number
CN201510733473.7A
Other languages
Chinese (zh)
Other versions
CN105386408A (en
Inventor
何超然
唐衡
徐洲
姚清涛
邓安华
潘文铭
柯杰
罗甜
夏欢
Original Assignee
中交第二航务工程局有限公司
中交武汉智行国际工程咨询有限公司
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 中交第二航务工程局有限公司, 中交武汉智行国际工程咨询有限公司 filed Critical 中交第二航务工程局有限公司
Priority to CN201510733473.7A priority Critical patent/CN105386408B/en
Publication of CN105386408A publication Critical patent/CN105386408A/en
Application granted granted Critical
Publication of CN105386408B publication Critical patent/CN105386408B/en

Links

Abstract

The invention provides a deep-water bridge pile foundation construction method. A self-lifting platform is used as an initial auxiliary platform, and the end part of the self-lifting platform is welded and fixedly connected with a guide frame; a segmented cantilever of the guide frame is lengthened; the sinking, the positioning and the rock-socketed anchoring are performed for steel protective cylinders in sequence; and the cantilever type guide frame is fixedly connected with each steel protective cylinder to form an operation platform for formal hole and pile forming construction. The construction method is strong in adaptability under bad environment condition; the guide frame is segmented and prefabricated, is welded and fixedly connected by segments, and is lengthened through the flange connection to form a dual-layer guide adjustment system, so that the rigidity is high, the sinking precision of the steel protective cylinders is high, and the construction is convenient and safe; the guide frame has dual functions; in the early stage, the guide frame serves as a steel protective cylinder sinking guide system; and in the later stage, the guide frame serves as a construction platform surface layer bearing structure; and the deep-water bridge pile foundation construction method has the advantages of short construction period, low time and material consumption and high operation efficiency.

Description

Deep-water bridge pile base construction method
Technical field
The present invention relates to technical field of bridge construction, it is more particularly related to deep-water bridge pile base construction method.
Background technology
With economic fast development, the demand of communications and transportation increases rapidly, and large-scale over strait, river-spanning bridge is increasingly Many, the first-selected base form that bearing capacity is high, stay-in-grade cast-in-situ bored pile is most absolutely sciences of bridge building.Bored pile foundation Construction be whole bridge construction operation basic link, be also link the most particularly important.
Naked rock or shallow overburden waters Bridge Pile Foundation Construction platform typically adopt fixed platform and floating platform.Fixed Platform is divided into builds island platform, steel pile casting+initial auxiliary steel pipe pile platform, steel cofferdam platform etc.;Floating platform is divided into pontoon, buoyancy tank Platform and floating steel suspended box cofferdam platform etc..But it is under the mal-conditions such as deep water, big flow velocity, macrotidal range, high wind wave, above All there is certain defect in flat form.
For building island platform, (sand and stone etc.) quantities of banketing is larger, long in time limit, and cost is high;For steel pile casting+initial auxiliary Help steel pipe pile platform, engineering ship is difficult in place, and steel pile casting and steel-pipe pile are both needed to that embedding rock anchor is solid, and sinking is of poor quality, assists steel pipe Stake platform self-stability has high demands, and erection construction technical difficulty is big, and steel pile casting needs progressively to push away successively using special leading truck Enter, shift and just can complete sinking, operation changes numerous and diverse, long construction period;Steel cofferdam platform, floating steel suspended box cofferdam are put down Platform, pontoon and buoyancy tank platform etc., anchor system arrangement quantities is big, and location technology difficulty is big, and takies waters greatly, and the cycle is long, shadow Ring navigation channel ship to pass through.
Content of the invention
It is an object of the invention to solving at least the above and defect, and provide the advantage that will be described later.
It is a still further object of the present invention to provide a kind of deep-water bridge pile base construction method, solve in above-mentioned background technology Shortcoming, by the use of jack-up unit as assistance platform, be fixedly arranged on jack-up unit in leading truck one end, other end merogenesis to Front boom spreading, and carry out steel pile casting sinking, anchoring successively, can be used as follow-up pile foundation construction after leading truck and steel pile casting consolidation Formal job platform.Construction method of the present invention is particularly suited for the extreme natural environments such as deep water, macrotidal range, high sea and plunges into the commercial sea (river) bed is the construction of bridge pile foundation under the conditions of naked rock or shallow overburden.
In order to realize according to object of the present invention and other advantages, there is provided a kind of deep-water bridge pile foundation construction side Method, comprises the following steps:
S1, positioning jack-up unit, the leading truck group of first sections is fixed on described jack-up unit front end, described guiding Frame group is provided with the sinking hole of at least two placement steel pile casting;
S2, by steel pile casting sinking in the sinking hole needing leading pile, carry out that embedding rock anchor is solid and bore forming, then to other Sinking in the hole sinking steel pile casting simultaneously carries out embedding rock anchoring construction, with the leading truck group of first sections as load-carrying members, sets up first sections Operation platform, removes described jack-up unit afterwards;
S3, the leading truck group of second section is lifted carry out spreading to the leading truck group front end of first sections, sinking steel one by one Casing simultaneously carries out embedding rock anchoring construction, with the leading truck group of second section as load-carrying members, sets up second section operation platform;With And
S4, repeat step s3, until all segmental construction platform buildings finish, become to the steel pile casting of non-bore forming Pile driving construction;
Wherein, the leading truck group of any one sections is several guiding frameworks perpendicular to described jack-up unit front end Become, shown leading truck is the truss structure of upper, middle and lower compound steel pipe composition.
Preferably, in step s1, the positioning of jack-up unit comprises the following steps:
S11, complete just to position using gps System guides jack-up unit, check jack ups using at least two total powerstations The positioning of platform;
S12, by described total powerstation control jack-up unit hydraulic column decentralization.
Preferably, sinking steel pile casting described in step s2 comprises the following steps:
S21, by gps alignment system measure stake position center, thus positioning rig, by design checking later stage jack up After platform is removed, operation platform from steady condition, determine the sinking hole needing leading pile, using the little stroke of rig to pile position Scar impacted, until flat for the punching of the scar of pile position, then scar is washed into the deep pitting of 0.5m;
S22, lifting steel pile casting corresponding sinking hole on leading truck, by steel pile casting vertical subsidence extremely described pitting, steel Casing checks off normal and the gradient of steel pile casting after reaching scar, meet and with shaped steel, steel pile casting top temporary consolidation is existed after requiring On leading truck, if being unsatisfactory for requiring, lifting steel pile casting is adjusted again.
Preferably, embedding rock anchor described in step s2 is solid and bore forming comprises the following steps:
S23, in the steel pile casting of pile position, it is punched out operation, described steel pile casting is followed up with hole depth, until institute State steel pile casting and reach design socket length, pour steel pile casting bottom concrete, between filling between described steel pile casting and basement rock Gap;
S24, spudded in using little stroke repeated stock pulping in described steel pile casting, timely borehole cleaning behind whole hole, and carry out hole Bottom sediment detection and pore-forming Data Detection, after detection is passed through, transfer precast reinforced cage successively and fill concrete conduit, and sunk again Slag detects, detection, by rear cast underwater concrete, completes bore forming;
S25, the steel pile casting to non-pile position carry out embedding rock anchor admittedly according to the method for step s23.
Preferably, also include in step s2 being connected between adjacent steel pile casting, particularly as follows: adjacent steel pile casting passes through lateral It is attached with diagonal brace, lateral adopts Harvard weld, and welding quality is pressed three-level weld seam standard test and controlled.
Preferably, the construction of spreading described in step s3 comprises the following steps:
S31, between the steel pile casting in first section leading truck group, shaped steel is welded as the lower horizontal stroke of the middle level steel pipe of leading truck Beam, and weld middle level steel pipe and the sill of u shaped steel sheet fixed guide frame, outside the steel pile casting in first sections leading truck group end Side Weld-supporting bracket;
S32, the front end being lifted second section leading truck group using crawler crane to first sections leading truck, are connected by flange Carry out spreading.
The present invention at least includes following beneficial effect:
1st, deep-water bridge pile foundation construction is carried out based on jack-up unit, construction environment applicability is good, especially in deep water, spring tide There is under the extreme natural environments such as difference, high sea preferable applicability;
2nd, leading truck has dual-use function, and, as steel pile casting guidance system, the later stage is as operation platform surface layer load-bearing for early stage Structure;
3rd, cantilevered leading truck adopts merogenesis to make, and live flange connects extension, and often saves the steel of leading truck and anchoring Casing carries out welding consolidation, and structural stability is higher, it is to avoid be likely to occur, in the case of great cantilever, the risk toppled, construction is more Plus it is safe and reliable;
4th, leading truck sinking hole is highly big, and rigidity is big, and arranges upper and lower two-layer pushing tow adjusting means, and adjustable range is big, leads Good to ability, steel pile casting sinking quality is good in the presence of a harsh environment, high precision;
5th, combine auxiliary steel pipe pile platform construction method compared to steel pile casting, construction material can be saved in a large number, the construction period contracts Short.
Part is embodied by the further advantage of the present invention, target and feature by description below, and part also will be by this Invention research and practice and be understood by the person skilled in the art.
Brief description
Fig. 1 is the schematic diagram of steel pile casting stake position in the present invention;
Fig. 2 is the schematic diagram of steel pile casting depositing step in the present invention;
Fig. 3 is the schematic diagram of steel pile casting embedding rock anchors step in the present invention;
Fig. 4 is the schematic diagram of rock-socketed pile pile step in the present invention;
Fig. 5 is the schematic diagram of steel pile casting lateral step in the present invention;
Fig. 6 is the schematic diagram of erection construction platform step in the present invention;
Fig. 7 is the schematic diagram in the present invention to remaining pile foundation construction step.
Specific embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings, to make those skilled in the art with reference to specification literary composition Word can be implemented according to this.
It should be appreciated that used herein such as " have ", "comprising" and " inclusion " term do not allot one or many The presence of individual other element or a combination thereof or interpolation.
A kind of deep-water bridge pile base construction method, comprises the following steps:
S1, positioning jack-up unit, the leading truck group of first sections is fixed on described jack-up unit front end, described guiding Frame group is provided with the sinking hole of at least two placement steel pile casting;Jack-up unit is applied to deep water sea area pile foundation construction.Compare Assistance platform (or trestle) construction of prior art, saves construction material, shortens the time setting up assistance platform;Compare Pile driving barge, in exposed waters, preferably, steel pile casting positioning construction precision is high for platform stabilization;Guide body structure is stable, and compares Bailey beam platform, material-saving, the reduction of erection time.
S2, by steel pile casting sinking in the sinking hole needing leading pile, carry out that embedding rock anchor is solid and bore forming, then to other Sinking in the hole sinking steel pile casting simultaneously carries out embedding rock anchoring construction, with the leading truck group of first sections as load-carrying members, sets up first sections Operation platform, removes described jack-up unit afterwards;Jack-up unit is after the completion of having carried out first segment platform construction, you can Enter the construction of next pier position, improve the utilization rate of machinery, contribute to shortening construction period;
S3, the leading truck group of second section is lifted carry out spreading to the leading truck group front end of first sections, sinking steel one by one Casing simultaneously carries out embedding rock anchoring construction, with the leading truck group of second section as load-carrying members, sets up second section operation platform;This Flange is adopted to connect spreading in invention, compared to cantilever monoblock type leading truck, flange connects the structural stability extending more preferably, no Easily topple.And flange connection construction safer reliable and stable and
S4, repeat step s3, until all segmental construction platform buildings finish, become to the steel pile casting of non-bore forming Pile driving construction;
Wherein, the leading truck group of any one sections is several guiding frameworks perpendicular to described jack-up unit front end Become, shown leading truck is the truss structure of upper, middle and lower compound steel pipe composition.
In step s1, the positioning of jack-up unit comprises the following steps:
S11, complete just to position using gps System guides jack-up unit, check jack ups using at least two total powerstations The positioning of platform;
S12, by described total powerstation control jack-up unit hydraulic column decentralization.
Sinking steel pile casting described in step s2 comprises the following steps:
S21, by gps alignment system measure stake position center, thus positioning rig, by design checking later stage jack up After platform is removed, operation platform from steady condition, determine the sinking hole needing leading pile, using the little stroke of rig to pile position Scar impacted, until flat for the punching of the scar of pile position, then scar is washed into the deep pitting of 0.5m;Checking computations content is structure Stability against overturning and stability against slope.Including, first segment platform under steady condition and Construction State from steady bar Part checks, and the stable condition after platform is performed integrally checks.Determine that reaching stable condition needs several positions to complete to fill concrete pile Construction;
S22, lifting steel pile casting corresponding sinking hole on leading truck, by steel pile casting vertical subsidence extremely described pitting, steel Casing checks off normal and the gradient of steel pile casting after reaching scar, meet and with shaped steel, steel pile casting top temporary consolidation is existed after requiring On leading truck, if being unsatisfactory for requiring, lifting steel pile casting is adjusted again.
Embedding rock anchor described in step s2 is solid and bore forming comprises the following steps:
S23, in the steel pile casting of pile position, it is punched out operation, described steel pile casting is followed up with hole depth, until institute State steel pile casting and reach design socket length, pour steel pile casting bottom concrete, make concrete and mortar fill described steel pile casting with Gap between basement rock;
S24, spudded in using little stroke repeated stock pulping in described steel pile casting, timely borehole cleaning behind whole hole, and carry out hole Bottom sediment detection and pore-forming Data Detection, after detection is passed through, transfer precast reinforced cage successively and fill concrete conduit, and sunk again Slag detects, detection, by rear cast underwater concrete, completes bore forming;
S25, the steel pile casting to non-pile position carry out embedding rock anchor admittedly according to the method for step s23.Adopt compared to pile driving barge Steel pile casting is directly squeezed into exposed bedrock layer with vibratory drilling method, the embedding rock anchor of pre-punched hole can guarantee that steel pile casting lower end will not become admittedly Shape is it is ensured that pile quality.
Also include in step s2 being connected between adjacent steel pile casting, particularly as follows: adjacent steel pile casting passes through lateral and diagonal brace It is attached, lateral adopts Harvard weld, and welding quality is pressed three-level weld seam standard test and controlled.
The construction of spreading described in step s3 comprises the following steps:
S31, between the steel pile casting in first section leading truck group, shaped steel is welded as the lower horizontal stroke of the middle level steel pipe of leading truck Beam, and weld middle level steel pipe and the sill of u shaped steel sheet fixed guide frame, outside the steel pile casting in first sections leading truck group end Side Weld-supporting bracket;
S32, the front end being lifted second section leading truck group using crawler crane to first sections leading truck, are connected by flange Carry out spreading.
Embodiment 1
As shown in figs. 1-7, a kind of deep-water bridge pile base construction method comprises the following steps:
First, jack-up unit positioning
Just position.Complete just to position from weather moor using gps System guides accommodation, survey crew adopts 2 in bank side Total powerstation adopts forward intersection to check.
It is accurately positioned and be carried out in two steps.First hydraulic column of decentralization, controls hydraulic prop using 2 total powerstation forward intersections The trimming of outer contour, through check errorless after transfer immediately;Transfer other three hydraulic props successively.
Platform is lifted.For convenience of the bore operation in steel pile casting, jack-up unit is lifted, be should ensure that jack up is put down Platform distance from bottom water surface elevation >=maximum wave height.
2nd, leading truck positioning
Leading truck 1 is steel pipe truss structures, and welding is fixedly arranged at jack-up unit 2, is welded to each other consolidation between leading truck 1. Leading truck 1 arranges three layers of truss of upper, middle and lower, be provided with leading truck 1 for steel pile casting positioning, apply heavy during correction, adjustment and lock Fixed device, has enough intensity, rigidity, disclosure satisfy that the design use requirement of sinking steel pile casting.
3rd, pile foundation steel-pipe pile pile and steel pile casting embedding rock anchoring construction
(1) advance borehole
Rig measures Zhuan Wei center in jack-up unit 2 by gps alignment system, is accurately positioned rig.Tested by design Calculate steel pile casting platform construction period in later stage from steady condition, determine the pile quantity of steel-pipe pile, pile quantity be 2, pile position For 1# and 3# stake position.Repeated stock is carried out to 1#, 3# stake position using the little stroke of rig, until flat for scar punching in stake position, then by rock Face be washed into 0.5m about depth pitting.
(2) steel pile casting sinking
Lift by crane 1#, 3# stake steel pile casting respectively, after being lifted to corresponding hole site on leading truck 1, monitoring casing perpendicularity meets will After asking, by steel pile casting 3, slowly vertical subsidence, to pigeon hole, checks steel pile casting 3 off normal and inclination after steel pile casting 3 arrival scar Degree, meet require after with shaped steel by steel pile casting 3 top temporary consolidation on leading truck 1, if be unsatisfactory for require; hoisting steel again Casing 3 is adjusted.
(3) embedding rock anchor is solid
Rig is again in place, is punched out operation in 1#, 3# steel pile casting 3, and steel pile casting 3 is followed up with hole depth, directly Reach design socket length to 1#, 3# stake steel pile casting 3, pour steel pile casting 3 bottom concrete, enable concrete and mortar to fill steel Gap between casing 3 and basement rock.Check casing periphery and scar encapsulation situations, if any compared with big gap, using bagged concrete Block under water.
(4) 1#, 3# rock-socketed pile bore forming
After rig is accurately positioned, in 1#, 3# steel pile casting 3, (Fig. 4) is spudded in using little stroke repeated stock pulping.Whole hole Afterwards, carry out borehole cleaning in time, and carry out the detection of bottom hole sediment and pore-forming Data Detection.After stake holes detection is passed through, transfer prefabricated successively Steel reinforcement cage 5 and filling concrete conduit, and sediment detection again, if sediment thickness is unsatisfactory for design requirement, carry out secondary pile hole cleaning.Borehole cleaning Terminate to remove and inhale mud elbow, start to pour into a mould underwater concrete, complete rock-socketed pile bore forming.
(5) the embedding rock anchoring construction of 2#, 4#, 5#, 6# pile foundation steel pile casting 3
2#, 4#, 5#, 6# stake steel pile casting 3 is carried out using the solid construction method of rock anchor embedding with 1#, 3# stake steel pile casting 3 identical Anchoring construction.
4th, steel pile casting 3 lateral construction
After the completion of every steel pile casting 3 anchoring, carried out even by lateral and diagonal brace with the steel pile casting 3 of adjacent construction immediately Connect.Steel pipe lateral adopts Harvard weld it is desirable to welding quality presses three-level weld seam standard test control, and meet design will simultaneously Ask.
5th, leading truck 1 consolidate, spreading
(1) leading truck 1 consolidates
Between 1#~6# pile foundation steel pile casting 3, using shaped steel welding drilling platform supporting sill, and 1#, 3#, 4#, Outside 6# pile foundation steel pile casting 3, drilling platform support bracket is welded using shaped steel, be directed between frame 1 lower floor's steel pipe and shaped steel logical Cross several piece u shaped steel sheet welding consolidation.
(2) leading truck 1 spreading
Prefabricated positioning guiding rack 1 sections is lifted using crawler crane to positioning guiding rack 1 front end of construction, by method Blue connection carries out spreading.
6th, the remaining embedding rock anchoring construction of pile foundation steel pile casting 3
The whole spreading of positioning guiding rack 1, carries out the embedding rock anchoring construction of 7#, 8#, 9# pile foundation steel pile casting 3, then carry out 10#, The embedding rock anchoring construction of 11#, 12# pile foundation steel pile casting 3, construction method is identical with steel pile casting 3 construction method of above construction.
7th, operation platform is set up
After the completion of the embedding rock anchor of steel pile casting 3 is solid, steel pile casting 3 is respectively welded and is fixedly arranged on leading truck 1.With leading truck 1 as face Layer load-carrying members, arrangement distribution beam and panel, form formal Pile Installation Platform 4.Cut off positioning guiding rack 1 to put down with jack up Connection between platform 2, jack-up unit 2 drop to the water surface, deactivates.
8th, remaining pile foundation bore forming
On steel pile casting 3 operation platform, carry out respectively 2#, 4-12# irrigate steel pipe pile foundation pile construction, construction method with 1#, 3# cast-in-place pile construction method of construction is identical.
The industrial applicibility of the present invention
1st, deep-water bridge pile foundation construction is carried out based on jack-up unit, construction environment applicability is good, especially in deep water, spring tide There is under the extreme natural environments such as difference, high sea preferable applicability;
2nd, leading truck has dual-use function, and, as steel pile casting guidance system, the later stage is as operation platform surface layer load-bearing for early stage Structure;
3rd, cantilevered leading truck adopts merogenesis to make, and live flange connects extension, and often saves the steel of leading truck and anchoring Casing carries out welding consolidation, and structural stability is higher, it is to avoid be likely to occur, in the case of great cantilever, the risk toppled, construction is more Plus it is safe and reliable;
4th, leading truck sinking hole is highly big, and rigidity is big, and arranges upper and lower two-layer pushing tow adjusting means, and adjustable range is big, leads Good to ability, steel pile casting sinking quality is good in the presence of a harsh environment, high precision;
5th, combine auxiliary steel pipe pile platform construction method compared to steel pile casting, construction material can be saved in a large number, the construction period contracts Short.
Although embodiment of the present invention is disclosed as above, it is not restricted to listed in specification and embodiment With.It can be applied to various suitable the field of the invention completely.For those skilled in the art, can be easily Realize other modification.Therefore under the universal being limited without departing substantially from claim and equivalency range, the present invention does not limit In specific details with shown here as the legend with description.

Claims (4)

1. a kind of deep-water bridge pile base construction method is it is characterised in that comprise the following steps:
S1, positioning jack-up unit, the leading truck group of first sections is fixed on described jack-up unit front end, described leading truck group It is provided with the sinking hole of at least two placement steel pile casting;
S2, by steel pile casting sinking in the sinking hole needing leading pile, carry out that embedding rock anchor is solid and bore forming, then to other sinkings In the hole sinking steel pile casting simultaneously carries out embedding rock anchoring construction, with the leading truck group of first sections as load-carrying members, sets up first segmental construction Platform, removes described jack-up unit afterwards;
S3, the leading truck group of second section is lifted carry out spreading to the leading truck group front end of first sections, sinking steel pile casting one by one And carry out embedding rock anchoring construction, with the leading truck group of second section as load-carrying members, set up second section operation platform;And
S4, repeat step s3, until all segmental construction platform buildings finish, carry out pile to the steel pile casting of non-bore forming and apply Work;
Wherein, the leading truck group of any one sections is that several leading trucks perpendicular to described jack-up unit front end are constituted, institute State the truss structure that leading truck is upper, middle and lower compound steel pipe composition;
Wherein, in step s1, the positioning of jack-up unit comprises the following steps:
S11, complete just to position using gps System guides jack-up unit, check jack-up units using at least two total powerstations Positioning;
S12, by described total powerstation control jack-up unit hydraulic column decentralization;
Wherein, sinking steel pile casting described in step s2 comprises the following steps:
S21, by gps alignment system measure stake position center, thus positioning rig, by design checking later stage jack-up unit After removing, operation platform from steady condition, determine the sinking hole needing leading pile, using the rock to pile position for the little stroke of rig Face is impacted, until the scar punching pile position is flat, then scar is washed into the deep pitting of 0.5m;
S22, lifting steel pile casting corresponding sinking hole on leading truck, by steel pile casting vertical subsidence extremely described pitting, steel pile casting Check off normal and the gradient of steel pile casting after reaching scar, meet steel pile casting top temporary consolidation after requiring with shaped steel in guiding On frame, if being unsatisfactory for requiring, lifting steel pile casting is adjusted again.
2. deep-water bridge pile base construction method as claimed in claim 1 it is characterised in that embedding rock anchor described in step s2 solid with And bore forming comprises the following steps:
S23, in the steel pile casting of pile position, it is punched out operation, described steel pile casting is followed up with hole depth, until described steel Casing reaches design socket length, pours steel pile casting bottom concrete, to fill the gap between described steel pile casting and basement rock;
S24, spudded in using little stroke repeated stock pulping in described steel pile casting, timely borehole cleaning behind whole hole, and carry out bottom hole and sink Slag detection and pore-forming Data Detection, after detection is passed through, transfer precast reinforced cage successively and fill concrete conduit, and carry out sediment inspection again Survey, detection, by rear cast underwater concrete, completes bore forming;
S25, the steel pile casting to non-pile position carry out embedding rock anchor admittedly according to the method for step s23.
3. deep-water bridge pile base construction method as claimed in claim 2 is it is characterised in that also include adjacent steel in step s2 It is connected between casing, particularly as follows: adjacent steel pile casting is attached by lateral and diagonal brace, lateral adopts Harvard weld, And welding quality presses three-level weld seam standard test control.
4. deep-water bridge pile base construction method as claimed in claim 3 is it is characterised in that the construction of spreading described in step s3 Comprise the following steps:
S31, between the steel pile casting in first section leading truck group, shaped steel is welded as the sill of the middle level steel pipe of leading truck, and The middle level steel pipe of welding u shaped steel sheet fixed guide frame and sill, the outside weldering of the steel pile casting in first sections leading truck group end Connect support bracket;
S32, the front end being lifted second section leading truck group using crawler crane to first sections leading truck, are connected by flange and carry out Spreading.
CN201510733473.7A 2015-11-02 2015-11-02 Deep-water bridge pile foundation construction method CN105386408B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510733473.7A CN105386408B (en) 2015-11-02 2015-11-02 Deep-water bridge pile foundation construction method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510733473.7A CN105386408B (en) 2015-11-02 2015-11-02 Deep-water bridge pile foundation construction method

Publications (2)

Publication Number Publication Date
CN105386408A CN105386408A (en) 2016-03-09
CN105386408B true CN105386408B (en) 2017-01-25

Family

ID=55419143

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201510733473.7A CN105386408B (en) 2015-11-02 2015-11-02 Deep-water bridge pile foundation construction method

Country Status (1)

Country Link
CN (1) CN105386408B (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105714689B (en) * 2016-03-17 2017-11-17 王燏斌 Bridge main tower sink-float construction method
CN105735133A (en) * 2016-03-17 2016-07-06 王燏斌 Pier sinking and floating construction method
CN106193037B (en) * 2016-08-25 2019-02-01 中交第二航务工程局有限公司 Assembly mobile platform for pile sinking
CN106284089B (en) * 2016-08-31 2018-02-09 中铁大桥局集团有限公司 A kind of steel trestle rapid constructing method
CN106400763B (en) * 2016-09-23 2018-07-27 中交第三航务工程局有限公司宁波分公司 The method of Pile
CN106759433B (en) * 2016-10-31 2019-01-15 江苏华西村海洋工程服务有限公司 Wind-powered electricity generation and the embedding rock construction technology of bridge
CN107012881B (en) * 2017-05-24 2019-01-18 浙江明通建设工程有限公司 Bridge Pile Foundation Construction method
CN107190776B (en) * 2017-06-13 2019-04-19 中交二航局第三工程有限公司 Water discharge tunnel standpipe plants pipe construction device and method
CN108239919B (en) * 2017-07-26 2019-11-01 北京九州动脉隧道技术有限公司 The device and construction method of a kind of underwater cushion cap, the underwater cushion cap of building
CN109707307B (en) * 2018-12-11 2020-08-18 中铁五局集团贵州工程有限公司 Construction method for forming polygonal annular groove on underwater rock stratum
CN110468866A (en) * 2019-07-11 2019-11-19 中冶交通建设集团有限公司 Pile foundation in water construction method
CN110924307A (en) * 2019-11-28 2020-03-27 中铁广州工程局集团桥梁工程有限公司 Trestle construction method for bare rock geology

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1417448A (en) * 2001-11-09 2003-05-14 包尔机械有限公司 Hole drilling equipment and method
CN201826292U (en) * 2010-10-28 2011-05-11 中铁十三局集团有限公司 Bare rock steel pipe pile platform in steep slopes under deep sea
CN102803616A (en) * 2009-06-02 2012-11-28 海瑞克股份公司 Method and device for creating an underwater foundation of a building
JP5395688B2 (en) * 2010-01-20 2014-01-22 株式会社熊谷組 Monopile foundation construction method
JP2015014157A (en) * 2013-07-05 2015-01-22 株式会社横山基礎工事 Pier construction method
CN204703144U (en) * 2015-04-09 2015-10-14 中交第二航务工程局有限公司 A kind of self lift type the Macadam Pile Construction platform

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1417448A (en) * 2001-11-09 2003-05-14 包尔机械有限公司 Hole drilling equipment and method
CN102803616A (en) * 2009-06-02 2012-11-28 海瑞克股份公司 Method and device for creating an underwater foundation of a building
JP5395688B2 (en) * 2010-01-20 2014-01-22 株式会社熊谷組 Monopile foundation construction method
CN201826292U (en) * 2010-10-28 2011-05-11 中铁十三局集团有限公司 Bare rock steel pipe pile platform in steep slopes under deep sea
JP2015014157A (en) * 2013-07-05 2015-01-22 株式会社横山基礎工事 Pier construction method
CN204703144U (en) * 2015-04-09 2015-10-14 中交第二航务工程局有限公司 A kind of self lift type the Macadam Pile Construction platform

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
自升式多功能水上施工平台研发;王扬等;《中国水运》;20150131(第1期);第104-106页,第167页 *
长周期涌浪地区碎石桩施工方法及装备;徐杰等;《水运工程》;20150831(第8期);全文 *

Also Published As

Publication number Publication date
CN105386408A (en) 2016-03-09

Similar Documents

Publication Publication Date Title
CN104532813B (en) A kind of aquatic building operation platform and erection method, using method
CN101838993B (en) Construction technology of steel sheet pile cofferdam for Yellow River Channel internal support table construction
CN102691294B (en) Construction method of underground continuous wall
CN101864773B (en) Deep foundation pit support process
CN100497841C (en) Supporting leg type underground continuous wall construction method
CN102454167B (en) The construction method of especially big & deep open caisson
CN102691300B (en) Construction method of foundation pit earthwork
US9567720B2 (en) Offshore platform for a marine environment
CN105887813A (en) Large-diameter super-long pile construction method in karst area through full-casing pipe full rotating and rotary drilling
CN101725112B (en) Construction method for piers
CN104196034A (en) Foundation pit construction method employing steel sheet piles as support cofferdam
CN101892668B (en) Combined support-excavated geological erosion deep foundation pit and construction method thereof
CN105133627B (en) Construction under single wall steel sheet-pile cofferdam flowing water state
CN101148890B (en) Bridge caisson composite pile foundation and reverse construction method thereof
CN104612162B (en) A kind of Deep Foundation Pit of Metro Stations excavation construction method
CN106120839B (en) A kind of construction technology of off-lying sea blower foundation embedded rock pile
CN101691751B (en) Construction method for making ultra-long artificial excavating pile penetrate cave and ultra-long pile penetrating cave
CN101962956B (en) Bridge prefabricated foundation and bed-burying method thereof
CN103741657B (en) The construction method of large-sized multifunction waterborne traffic accident
CN103741714A (en) Construction method for full cover-excavation reverse method of underground engineering
CN101338678B (en) Supporting arch hidden digging top-down construction method
CN102392458B (en) Piling beam cofferdam construction method used for bare rock foundation construction in water
US20100054859A1 (en) Hydraulic Sliding Insertion Panel and Its Using Method
CN102505695B (en) Construction method for deep foundation pit of three-dimensional garage
CN101666081B (en) Abrupt slope bare rock drilling platform and technology in huge reservoir

Legal Events

Date Code Title Description
PB01 Publication
C06 Publication
SE01 Entry into force of request for substantive examination
C10 Entry into substantive examination
GR01 Patent grant
C14 Grant of patent or utility model