CN109113057A - Pile method under intectate geological conditions based on stake top top pushing platform - Google Patents
Pile method under intectate geological conditions based on stake top top pushing platform Download PDFInfo
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- CN109113057A CN109113057A CN201811036439.4A CN201811036439A CN109113057A CN 109113057 A CN109113057 A CN 109113057A CN 201811036439 A CN201811036439 A CN 201811036439A CN 109113057 A CN109113057 A CN 109113057A
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- steel pile
- pile casting
- pushing platform
- top pushing
- platform
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/22—Piles
- E02D5/34—Concrete or concrete-like piles cast in position ; Apparatus for making same
- E02D5/38—Concrete or concrete-like piles cast in position ; Apparatus for making same making by use of mould-pipes or other moulds
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
Abstract
The present invention relates to piling Technology fields, in particular to a kind of Pile method under intectate geological conditions based on stake top top pushing platform.Construction starting stake platform, top pushing platform is built in the steel pile casting stake top that inserting piling is completed, based on top pushing platform as operation platform in the front inserting piling steel pile casting of top pushing platform, there is steel pile casting during inserting piling and rock stratum in steel pile casting destroy up to sinking steel protecting canister to design position when can not sink, it constructs in the steel pile casting at top pushing platform rear and embedded rock pile and carries out concreting, after the steel pile casting of top pushing platform front and rear sides completes construction, it moves forward on the steel pile casting that top pushing platform is completed to inserting piling, sequentially carries out according to the above process.Pile sinking construction method of the invention overcomes the severe geological conditions of the effect of rough swell wave and intectate pile sinking, while the utilization rate of construction equipment is also substantially improved, and stake top supports walking incremental launching device to realize mobility of the platform in working range.
Description
Technical field
The present invention relates to piling Technology fields, in particular to a kind of intectate based on stake top top pushing platform
Pile method under the conditions of matter.
Background technique
The coal-burning power plant Hu Bu is located at province of Pakistani Baluchistan Hu cloth area, is the weight under " mini-bus Economic Corridor " frame
Energy project is wanted, the bulk cargo terminals berth basis of two 1 10,000 tons therein uses the form of filling concrete embedded rock pile, applies
Arabian Sea is faced in work area domain directly, and long period sea situation feature of surging is obvious.Stratum surface layer is mainly severely-weathered conglomerate, and thickness is in 5m
More than, and there are the irregular reef disks of a large amount of height 0.2m-1.5m for seabed table bed.Pile foundation construction is the control work of the project
Journey, the duration is tight, task weight.Embedded rock pile conventional method is artificial foundation bed method and completely paves platform cultivation stake under the conditions of intectate at present
Method.Completely paving platform method needs to put into great deal of steel and sets up platform, and low efficiency.Artificial foundation bed method, that is, artificial earth fill produces covering
Layer is driven piles again, and not only low efficiency investment is big, but also can not implement substantially under severe sea condition.Conventional construction method cannot expire
The duration of sufficient project and cost requirement, the project implementation face huge challenge.
Summary of the invention
The purpose of the present invention is to solve the deficiency of the above background technology, provides a kind of based on stake top top pushing platform
Pile method under intectate geological conditions.
The technical solution of the present invention is as follows: Pile side under the intectate geological conditions based on stake top top pushing platform
Method, it is characterised in that: construction starting stake platform builds top pushing platform in the steel pile casting stake top that inserting piling is completed, is based on top pushing platform
There is steel pile casting during the front inserting piling steel pile casting of top pushing platform, inserting piling when can not sink as operation platform to protect steel
Rock stratum destroy until sinking steel protecting canister constructs embedded rock pile simultaneously to position is designed in the steel pile casting at top pushing platform rear in cylinder
Concreting is carried out, after the steel pile casting of top pushing platform front and rear sides completes construction, it is complete to inserting piling to move forward top pushing platform
At steel pile casting on, sequentially carried out according to the above process until all steel pile casting completes construction.
The further method that rock stratum in steel pile casting is destroyed are as follows: pass through the churning driven on top pushing platform
Machine is extend into the steel pile casting that can not sink, and it is broken to carry out rotary digging to the rock stratum in steel pile casting.
The method of the further embedded rock pile of constructing in the steel pile casting at top pushing platform rear are as follows: flat by pushing tow
Rotary drilling rig on platform is extend into the steel pile casting of embedded rock pile to be onstructed, the aperture on steel pile casting basal bed, transfers reinforcing bar
Cage, casting concrete form embedded rock pile.
It is further described based on top pushing platform as operation platform in the side of the front inserting piling steel pile casting of top pushing platform
Method are as follows: transport on steel pile casting to top pushing platform, the position of top pushing platform front end guiding trestle is adjusted, by top pushing platform
On crawler crane handling steel pile casting to guiding trestle, to the plan-position of steel pile casting and vertical essence after guiding trestle holding steel pile casting
Degree is adjusted, the heavy steel pile casting of jump bit vibration.
The further method transported on steel pile casting to top pushing platform are as follows: before steel pile casting construction, along steel pile casting
Construction direction build trestle by steel pile casting construction line, when inserting piling steel pile casting, trestle is utilized to carry out steel pile casting and other objects
The transport of material.
The further method broken to the rock stratum progress rotary digging in steel pile casting are as follows: rotary drilling rig enters steel
Steel pile casting basal bed is crushed in casing, in the forklift that the rock earthwork dug out is transported on top pushing platform, via stack
The rock earthwork is transported to seashore and handled by bridge.
The method of the progress concreting are as follows: in the rear end mounting and fixing bracket of top pushing platform,
Arrange funnel on fixed bracket, funnel lower end face steel pile casting to be poured, by the concrete placement vehicle on top pushing platform to funnel
Interior concrete perfusion.
Advantages of the present invention has: 1, carrying out piling construction by the top pushing platform based on steel pile casting stake top, solve in wind
There are unstable, construction precision is poor, difficulty is big for ship platform construction and jack-up unit construction under the high status of the water area of anxious wave
Problem improves construction efficiency；
2, it is sunk by using vibration and the mode of rotary digging cooperation carries out piling construction, solved under intectate geological conditions
It is simple by vibration it is heavy can not pile sinking to projected depth the problem of, improve the efficiency and precision of piling construction, it is difficult to reduce construction
Degree；
3, the steel pile casting internal drilling construction embedded rock pile that pile sinking has been completed by using churning driven fleet, improves rotary digging
The utilization efficiency of drilling machine improves the running efficiency of machinery equipment on top pushing platform, avoids and places largely under narrow environment
Equipment operation caused by equipment is difficult；
It 4, is that goods and materials personnel operating provides a great convenience by the way that trestle is arranged, in the high waters construction ring of the anxious wave of wind
Under border, the safety of goods and materials operating is improved, the rock earthwork in addition generated for construction can be transported accordingly, be kept away
Exempt to generate pollution to construction waters；
5, by the way that guiding trestle is arranged in the front end of top pushing platform, funnel is set in the rear end of top pushing platform, it is heavy to improve
The efficiency of pile driving construction does not occupy the platform space of top pushing platform yet, reduces the difficulty of piling construction.
Pile sinking construction method of the invention overcomes the severe geological conditions of the effect of rough swell wave and intectate pile sinking, together
When construction equipment utilization rate be also substantially improved, in addition using completed steel pile casting as positioning datum, can be realized system itself
Quick positioning, stake top supports walking incremental launching device to realize mobility of the platform in working range.
Detailed description of the invention
Fig. 1: top pushing platform structural schematic diagram of the invention；
Fig. 2: top pushing platform main view of the invention；
Fig. 3: guiding support structure schematic diagram of the invention；
Fig. 4: funnel mounting structure schematic diagram of the invention；
Wherein: 1-beginning stake platform；2-steel pile castings；3-top pushing platforms；4-rotary drilling rigs；5-guiding trestles；6-carry out
Band is hung；7-jump bits；8-trestles；9-forklifts；10-fixed brackets；11-funnels；12-concrete placement vehicles；5.1-guide rails；
5.2-location holes；5.3-the first support frame；5.4-the second support frame；5.5-anchor ears.
Specific embodiment
The following further describes the present invention in detail with reference to the accompanying drawings and specific embodiments.
As shown in figures 1-4, the top pushing platform 3 of the present embodiment is mounted in the self-action mobile platform of 2 stake top of steel pile casting,
Specific structure referring to entitled " stake top supports the mobile piling platform of walking " of Patent No. " CN105421454B " middle promulgated by the State Council
Platform structure disclosed in bright patent, top pushing platform 3 can realize the longitudinally, laterally movement with vertical direction.
Rotary drilling rig 4, crawler crane 6, jump bit 7, forklift 9 and concrete placement vehicle are disposed on the top pushing platform 3 of the present embodiment
12, crawler crane 6 cooperates the positioning of the progress steel pile casting 2 of guiding trestle 5 of 3 front end of top pushing platform, and jump bit 7 carries out steel pile casting 2
Piling construction, there are two effects for rotary drilling rig 4, first is that destroying steel shield by rotary drilling rig 4 when steel pile casting 2 can not sink
Rock stratum in cylinder 2 cooperates the piling construction of steel pile casting 2, second is that carrying out embedding rock in the steel pile casting internal drilling that pile sinking is completed
The construction of stake.
Forklift 9 is transported through the rock earthwork that rotary drilling rig 4 is dug out, and water pollution caused by directly shedding is avoided to ask
Topic.Concrete placement vehicle 12 cooperates the pouring construction of progress 2 inner concrete of steel pile casting of funnel 11 of 3 rear end of top pushing platform.
As shown in figure 3, the guiding trestle 5 of the present embodiment includes the guide rail 5.1 for being fixed on 3 front end of top pushing platform, guide rail
5.1 be the horizontal guide rail along 3 lateral arrangement of top pushing platform, and multiple laterally spaced cloth are offered on the guide rail 5.1 of the present embodiment
The location hole 5.2 set.Guiding trestle 5.1 further includes being connected to the first support frame 5.3 of guide rail 5.1 and being suspended in top pushing platform 3
Second support frame 5.4 of front end.
It is opened along the longitudinally arranged fashioned iron of top pushing platform 3, fashioned iron as shown in figure 3,5.3 lower end of the first support frame is disposed with
Equipped with through-hole corresponding with location hole 5.2, when adjusting, the lateral position of mobile first support frame 5.3 passes through after adjusting in place
Bolt passes through the through-hole and corresponding location hole 5.2 on fashioned iron, stable first support frame 5.3 can be fixed on guide rail 5.1
On.
The front end that second support frame 5.4 is fixed on the first support frame 5.3 is suspended at the front of top pushing platform 3, the second support
Anchor ear 5.5 is provided on frame 5.4, anchor ear 5.5 is made of two semicircular rotating arms, and rotating arm one end can be around vertical axis
It is rotationally articulated and connected on the second support frame 5.4, the rotating arm of the other end and the other side cooperatively forms circular banding knot
Structure, rotating arm inside are provided with the roller structure being fitted in 2 end face outside of steel pile casting.In use, anchor ear 5.5 is first opened,
Then handling steel pile casting 2 enters in anchor ear 5.5 from 5.5 side of anchor ear, then tightens anchor ear 5.5, and two rotating arms are separate
One end of second support frame 5.4 is fixed together, banding steel pile casting 2.
In order to cope with the high status of the water area of the anxious wave of wind, the present embodiment has built trestle 8 by the construction line of steel pile casting 2,
Trestle 8 can build completion before the construction of steel pile casting 2 by halieutics, the transhipment for goods and materials and personnel.Trestle 8 is fixed on
On sea bed, do not influenced substantially by wave, it is highly-safe.
When practice of construction: 1, constructing in seashore side and originate stake platform 1, and construction bridge 8, utilize the starting completed
Stake platform 1 builds top pushing platform 3, and top pushing platform 3 is mounted on 2 stake top of steel pile casting completed；
2, after the completion of top pushing platform 3 is built, relevant device is transported on top pushing platform 3 by trestle 8, and steel pile casting 2 is also transported
It is sent on top pushing platform 3, adjusts the design pile sinking position of the position alignment steel pile casting 2 of guiding trestle 5,6 handling steel of crawler crane shield
Cylinder 2 enters in guiding trestle 5, and it is heavy that jump bit 7 carries out vibration to steel pile casting 2；
3, when steel pile casting 2 occur can not sink, rotary drilling rig 4 enters broken to rock stratum progress rotary digging in steel pile casting 2
It is broken, it is heavy to continue vibration, until steel pile casting 2 sinks to projected depth, the rock earthwork that rotary digging generates is transported on top pushing platform 3
In forklift 9, seashore is delivered to by trestle 8 and is performed corresponding processing；
4, after rotary drilling rig 4 completes 2 piling construction of steel pile casting, the steel shield of inserting piling has been completed in the rear of top pushing platform 3
It drills in cylinder 2, transfers steel reinforcement cage, on concrete placement vehicle 12 delivering concrete to top pushing platform 3, cooperation funnel 11 carries out steel
Pouring construction in casing 2；
5, successively alternately, until all steel pile castings 2 complete construction.
It is few when the working hour as needed for 2 pile sinking of steel pile casting is than drillman, after the completion of piling construction in front of platform, churning driven
Machine 4 continues to complete remaining bore operation, therefore 4 running efficiency of rotary drilling rig of actually the present embodiment is high.
Steel pile casting 2 during inserting piling, appearance can not pile sinking when, lower end is deep into rock stratum a distance, and upper end passes through
Guiding trestle 5 is fixed, and steel pile casting 2 can maintain stable at this time.The steel pile casting 2 of the present embodiment is because want inserting piling to enter rock stratum
It is interior, therefore do not need to carry out 2 lower end of steel pile casting cutting fitting rock layer surface, 2 lower end of steel pile casting of the present embodiment is flat end
Face structure.
The funnel 11 of the present embodiment is fixed on the fixation bracket 10 of 3 rear end of top pushing platform, as shown in Figure 4.
The longitudinal direction of the present embodiment refers to left and right directions in Fig. 2, laterally refers to that vertical paper direction, vertical direction refer to Fig. 2 in Fig. 2
In up and down direction.
The basic principles, main features and advantages of the present invention have been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, various changes and improvements may be made to the invention without departing from the spirit and scope of the present invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and
Its equivalent defines.
Claims (7)
1. Pile method under the intectate geological conditions based on stake top top pushing platform, it is characterised in that: construction beginning stake
Platform (1) builds top pushing platform (3) in steel pile casting (2) stake top that inserting piling is completed, is used as operation platform based on top pushing platform (3)
There is steel pile casting (2) when can not sink to steel pile casting (2) during the front inserting piling steel pile casting (2) of top pushing platform (3), inserting piling
Interior rock stratum destroy until steel pile casting (2) sink to design position, and construction is embedding in the steel pile casting (2) at top pushing platform (3) rear
Rock stake simultaneously carries out concreting, after the steel pile casting (2) of top pushing platform (3) front and rear sides completes construction, moves forward pushing tow
On the steel pile casting (2) that platform (3) to inserting piling is completed, sequentially carried out according to the above process until all steel pile casting (2) completions are applied
Work.
2. Pile method under the intectate geological conditions based on stake top top pushing platform as described in claim 1,
It is characterized in that: the method that steel pile casting (2) interior rock stratum is destroyed are as follows: pass through the rotary drilling rig on top pushing platform (3)
(4) it extend into the steel pile casting (2) that can not sink, it is broken to carry out rotary digging to the rock stratum in steel pile casting (2).
3. Pile method under the intectate geological conditions based on stake top top pushing platform as described in claim 1,
It is characterized in that: the method for construction embedded rock pile in the steel pile casting (2) at top pushing platform (3) rear are as follows: pass through top pushing platform
(3) rotary drilling rig (4) on is extend into the steel pile casting (2) of embedded rock pile to be onstructed, the aperture on steel pile casting (2) basal bed,
Steel reinforcement cage is transferred, casting concrete forms embedded rock pile.
4. Pile method under the intectate geological conditions based on stake top top pushing platform as claimed in claim 2,
Be characterized in that: it is described based on top pushing platform (3) as operation platform in the front inserting piling steel pile casting (2) of top pushing platform (3)
Method are as follows: transport on steel pile casting (2) to top pushing platform (3), adjust the position of top pushing platform (3) front end guiding trestle (5), pass through
On crawler crane (6) handling steel pile casting (2) to guiding trestle (5) on top pushing platform (3), guiding trestle (5) holds steel pile casting (2) tightly
The plan-position and vertical precision of steel pile casting (2) are adjusted afterwards, jump bit (7) shakes heavy steel pile casting (2).
5. Pile method under the intectate geological conditions based on stake top top pushing platform as claimed in claim 4,
It is characterized in that: the method on the transport steel pile casting (2) to top pushing platform (3) are as follows: before steel pile casting (2) construction, protected along steel
The construction direction of cylinder (2) is built trestle (8) by steel pile casting (2) construction line, when inserting piling steel pile casting (2), using trestle (8) into
The transport of row steel pile casting (2) and unclassified stores.
6. Pile method under the intectate geological conditions based on stake top top pushing platform as claimed in claim 5,
Be characterized in that: the rock stratum in steel pile casting (2) carries out the broken method of rotary digging are as follows: rotary drilling rig (4) enters steel shield
Steel pile casting (2) basal bed is crushed in cylinder (2), the rock earthwork dug out is transported to the forklift (9) on top pushing platform (3)
It is interior, the rock earthwork is transported to seashore via trestle (8) and is handled.
7. Pile method under the intectate geological conditions based on stake top top pushing platform as described in claim 1,
It is characterized in that: the method for the described progress concreting are as follows: in the rear end mounting and fixing bracket (10) of top pushing platform (3),
Funnel (11) are arranged on fixed bracket (10), and face steel pile casting (2) to be poured in funnel (11) lower end passes through top pushing platform (3)
On concrete placement vehicle (12) to funnel (11) interior concrete perfusion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811036439.4A CN109113057A (en) | 2018-09-06 | 2018-09-06 | Pile method under intectate geological conditions based on stake top top pushing platform |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811036439.4A CN109113057A (en) | 2018-09-06 | 2018-09-06 | Pile method under intectate geological conditions based on stake top top pushing platform |
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| Publication Number | Publication Date |
|---|---|
| CN109113057A true CN109113057A (en) | 2019-01-01 |
Family
ID=64858779
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|---|---|---|---|
| CN201811036439.4A Pending CN109113057A (en) | 2018-09-06 | 2018-09-06 | Pile method under intectate geological conditions based on stake top top pushing platform |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111236856A (en) * | 2020-03-04 | 2020-06-05 | 成都天府轨谷科技有限公司 | Rotary drilling rig for fishing method construction and using method thereof |
| CN111894452A (en) * | 2020-07-27 | 2020-11-06 | 中交路桥建设有限公司 | Combined drilling method for end-bearing pile of aeolian sand deep-covering tuff stratum |
| CN111894451A (en) * | 2020-07-27 | 2020-11-06 | 中交路桥建设有限公司 | Rotary drilling pile foundation construction method for stratum combining aeolian sand, sand gravel and gravel |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1044731A1 (en) * | 1982-05-05 | 1983-09-30 | Всесоюзный Ордена Ленина Проектно-Изыскательский И Научно-Исследовательский Институт "Гидропроект" Им.С.Я.Жука | Apparatus for making cast-in-place piles |
| CN106320332A (en) * | 2016-09-09 | 2017-01-11 | 中交第二航务工程局有限公司 | Construction method and construction system for overwater drilling piles based on ejection movement platform |
| CN107034884A (en) * | 2017-05-27 | 2017-08-11 | 中交二航局第四工程有限公司 | The steel pile casting constructing device and method of the big oblique rock surface of shallow overburden profundal zone flow velocity |
-
2018
- 2018-09-06 CN CN201811036439.4A patent/CN109113057A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1044731A1 (en) * | 1982-05-05 | 1983-09-30 | Всесоюзный Ордена Ленина Проектно-Изыскательский И Научно-Исследовательский Институт "Гидропроект" Им.С.Я.Жука | Apparatus for making cast-in-place piles |
| CN106320332A (en) * | 2016-09-09 | 2017-01-11 | 中交第二航务工程局有限公司 | Construction method and construction system for overwater drilling piles based on ejection movement platform |
| CN107034884A (en) * | 2017-05-27 | 2017-08-11 | 中交二航局第四工程有限公司 | The steel pile casting constructing device and method of the big oblique rock surface of shallow overburden profundal zone flow velocity |
Non-Patent Citations (3)
| Title |
|---|
| 史文君: ""SR280R旋挖钻机在某特大桥大直径嵌岩群桩基础成孔施工中的应用"", 《施工技术》 * |
| 四川省公路学会等: "《桥梁 道路 隧道 水港 2014年学术交流会论文集》", 31 August 2014, 电子科技大学出版社 * |
| 董启军等: "《复杂条件下深水大跨双线铁路连续刚构梁柔性拱施工综合技术》", 31 August 2015, 西南交通大学出版社 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111236856A (en) * | 2020-03-04 | 2020-06-05 | 成都天府轨谷科技有限公司 | Rotary drilling rig for fishing method construction and using method thereof |
| CN111894452A (en) * | 2020-07-27 | 2020-11-06 | 中交路桥建设有限公司 | Combined drilling method for end-bearing pile of aeolian sand deep-covering tuff stratum |
| CN111894451A (en) * | 2020-07-27 | 2020-11-06 | 中交路桥建设有限公司 | Rotary drilling pile foundation construction method for stratum combining aeolian sand, sand gravel and gravel |
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