CN104746519A - Obstacle clearing construction method - Google Patents
Obstacle clearing construction method Download PDFInfo
- Publication number
- CN104746519A CN104746519A CN201510057132.2A CN201510057132A CN104746519A CN 104746519 A CN104746519 A CN 104746519A CN 201510057132 A CN201510057132 A CN 201510057132A CN 104746519 A CN104746519 A CN 104746519A
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- China
- Prior art keywords
- pile
- stake
- piles
- construction method
- sleeve pipe
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Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D9/00—Removing sheet piles bulkheads, piles, mould-pipes or other moulds or parts thereof
- E02D9/02—Removing sheet piles bulkheads, piles, mould-pipes or other moulds or parts thereof by withdrawing
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D13/00—Accessories for placing or removing piles or bulkheads, e.g. noise attenuating chambers
- E02D13/08—Removing obstacles
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D9/00—Removing sheet piles bulkheads, piles, mould-pipes or other moulds or parts thereof
- E02D9/04—Removing sheet piles bulkheads, piles, mould-pipes or other moulds or parts thereof by cutting-off under water
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- Engineering & Computer Science (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)
- Structural Engineering (AREA)
- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
Abstract
The invention discloses an obstacle clearing construction method. The obstacle clearing construction method comprises the following steps that 1, the pile type, the pile diameter, the pile length and other parameters are determined so that targeted measures can be taken for treatment; 2, timber piles or small-diameter reinforced concrete piles are pulled away, the pile heads are tied by steel wire ropes, and the piles are pulled away through a crawler crane or a large excavator; 3, it is considered that reinforced concrete segmental precast piles can be broken possibly in the pulling process, the reinforced concrete segmental precast piles can be pulled away through a vibration-water flushing casing pipe process; 4, unknown obstacles or large-diameter deep piles can be cleared away through a full slewing drilling machine matching pipe. Multiple tools and multiple process methods are matched, waste reinforced concrete square piles or the concrete precast piles or timber pile foundations or the other unknown obstacles which are left after civil defence buildings are removed can be completely cleared away, effectiveness and fastness are achieved, and meanwhile high safety is achieved.
Description
Technical field
The present invention relates to a kind of building construction field construction method, particularly relate to one and to remove obstacles construction method.
Background technology
In the process of reconstruction of the old city town and urban construction, especially after old house breaking, need to remove various obstruction and just can carry out next step construction, the kind of obstruction is diversified, if the obstruction on ground is then clear than being easier to, if some are with the passage of time, the buried obstruction of part as pile tube, dark stake etc., be difficult to thoroughly eradicate by general apparatus and the method for removing obstacles of removing obstacles.
Summary of the invention
The present invention is exactly for the problems referred to above, proposes one and to remove obstacles construction method, mainly for waste steel bar concrete square pile left after civil defence building demolition, precast concrete pile, timber basis or other ambiguous barriers, can accomplish to remove effectively and rapidly.
For reaching above-mentioned technical purpose, present invention employs one and to remove obstacles construction method, mainly for the removing of waste steel bar concrete square pile left after civil defence building demolition, precast concrete pile, timber basis or other ambiguous barriers, mainly comprise the steps:
(1) parameters such as pile-type, stake footpath and stake be long are first determined, to take measure process targetedly;
(2) the pulling out of timber or minor diameter reinforced concrete pile, can adopt wire rope to tie down pile crown crawler crane or large digging machine is pulled out;
(3) steel concrete segmentation prefabricating stake, considers in the process of pulling out and may rupture, and vibration-water can be adopted to rush sleeve pipe technique and pull out;
(4) not clear obstacle or diameter more greatly, darker stake, the supporting pipe of full-rotating drill can be adopted to remove.
In described step (1), the tonnage of crawler crane is 40-60 ton.
Middle vibration-the water of described step (3) rushes sleeve pipe technique and is specially:
(1) excavate ground, will pile pulling position be needed to be excavated, and release slope;
(2) open and make mat foundation: cut the basis with stake connecting portion;
(3) pile crown is exposed: pile crown and surrounding are cleaned out, and flatten;
(4) bury casing underground: by the shield-tube embedment of diameter 1000-12000mm in foundation ditch, and guarantee that stake is positioned at casing center, once the casing of stakes all for cushion cap is all buried underground;
(5) pit backfill: the cushion cap having buried casing is backfilled;
(6) pile foundation is in place: pipeline sinking pile machine is moved to stake position;
(7) aim at pile crown, make pile crown be positioned at immersed tube center;
(8) immersed tube;
(9) add aqueous vapor, during 20 meters, immersed tube road, can add water when immersed tube resistance is larger aerating;
(10) immersed tube on earth;
(11) tube drawing;
(12) be shifted: move to next position and continue construction;
(13) crane pile pulling;
(14) stake holes backfill: with cement repeatedly back-filling in layers, and every one deck weight hits reality.
The Specific construction step of described step (4) is:
(1) pile crown is felt;
(2) measurement and positioning;
(3) driller insertion;
(4) press down sleeve pipe, draining, fetch earth;
(5) useless stake is removed: guaranteeing to use weight hammering pile body after managing interior mud gets rid of, as much as possible smash pile body surface, then put into multi-head gripper drilling cutting to mill and make discarded pile body broken, capturing broken pile body with rushing grappling fixture, repeating alternately operating until clear at the bottom of stake;
(6) fragmentation of other ambiguous barriers: hang in sleeve pipe by bull grab bucket with large-scale crane, transfer to and excavate bottom, turn round sleeve pipe and be pressed into during construction, utilizes the augers of its front end to destroy the soil body and obstruction.
The present invention adopts the cooperation of multiple types of tools and kinds of processes method, can remove for waste steel bar concrete square pile left after civil defence building demolition, precast concrete pile, timber basis or other ambiguous barriers completely, simultaneously effectively and rapidly, safety is also higher.
Detailed description of the invention
Detailed description of the invention is adopted to be described in more detail the present invention below.
One is removed obstacles construction method, mainly for waste steel bar concrete square pile left after civil defence building demolition, precast concrete pile, timber basis or other ambiguous barriers, can accomplish to remove effectively and rapidly.
For reaching above-mentioned technical purpose, present invention employs one and to remove obstacles construction method, mainly for the removing of waste steel bar concrete square pile left after civil defence building demolition, precast concrete pile, timber basis or other ambiguous barriers, mainly comprise the steps:
(1) parameters such as pile-type, stake footpath and stake be long are first determined, to take measure process targetedly;
(2) the pulling out of timber or minor diameter reinforced concrete pile, can adopt wire rope to tie down pile crown crawler crane or large digging machine is pulled out;
(3) steel concrete segmentation prefabricating stake, considers in the process of pulling out and may rupture, and vibration-water can be adopted to rush sleeve pipe technique and pull out;
(4) not clear obstacle or diameter more greatly, darker stake, the supporting pipe of full-rotating drill can be adopted to remove.
In step (1), the tonnage of crawler crane is 40-60 ton.
Rush sleeve pipe technique in the middle vibration-water of step (3) to be specially:
(1) excavate ground, will pile pulling position be needed to be excavated, and release slope;
(2) open and make mat foundation: cut the basis with stake connecting portion;
(3) pile crown is exposed: pile crown and surrounding are cleaned out, and flatten;
(4) bury casing underground: by the shield-tube embedment of diameter 1000-12000mm in foundation ditch, and guarantee that stake is positioned at casing center, once the casing of stakes all for cushion cap is all buried underground;
(5) pit backfill: the cushion cap having buried casing is backfilled;
(6) pile foundation is in place: pipeline sinking pile machine is moved to stake position;
(7) aim at pile crown, make pile crown be positioned at immersed tube center;
(8) immersed tube; Be specially adjustment frame, guarantee that immersed tube, pylon are all vertical, then start motor and start immersed tube, during beginning, want sinking control speed, ensure vertical subsidence;
(9) add aqueous vapor, during 20 meters, immersed tube road, can add water when immersed tube resistance is larger aerating;
(10) immersed tube on earth, continues at the bottom of immersed tube to stake, to reduce the resistance of pile pulling;
(11) tube drawing, can add water during tube drawing aerating, to rinse the earth of pile body;
(12) be shifted: move to next position and continue construction;
(13) crane pile pulling, uses the crane of 40-60 ton stake to be extracted, if more piece stake, for preventing fractureing when pile pulling, when hanging and pulling out employing lasso trick being added clamper and clamping lower joint stake and carried out pulling out;
(14) stake holes backfill: with cement repeatedly back-filling in layers, and every one deck weight hits reality.
The Specific construction step of described step (4) is:
(1) pile crown is felt, and according to the situation that scene is felt, is first excavated needing the position of pile pulling with excavator, and releases slope, guarantee deep pit monitor, is flattened by stake periphery, the stability requirement after making bearing capacity of foundation soil meet driller insertion with digging machine;
(2) measurement and positioning, mainly cleans out pile crown and surrounding and flattens, and in-site measurement is located pile pulling scope and need be pulled out the quantity of old stake, and is numbered the stake that need pull out, and determines pile pulling order;
(3) driller insertion, the center of the required stake of removing of construction layout, expresses a position mark, as rig centre of location point with gray line; Mobile full-rotating drill to tram makes the Obstacle Position of full-rotating drill center and mensuration coincide;
(4) press down sleeve pipe, draining, fetch earth, after full-rotating drill is in place, lifting first segment sleeve pipe is carved in block in rig, and step up, after retaining sleeve verticality, revolution sleeve pipe also presses down, utilize equipment maximum pressing-in force press-in sleeve pipe, make in sleeve pipe, to be crowded with earth or obstruction is intended reaching sealing object, then use mud in sleeve pipe mud tank drain, in sleeve pipe, soil is grabbed with punching grab bucket, grab soil while continue to press down sleeve pipe, after adapter, detect verticality, find that sleeve pipe tilts to carry out correction adjustment at once, then continue to press down to grab soil, until discarded campshed top.
(5) useless stake is removed: guaranteeing to use weight hammering pile body after managing interior mud gets rid of, as much as possible smash pile body surface, then put into multi-head gripper drilling cutting to mill and make discarded pile body broken, capturing broken pile body with rushing grappling fixture, repeating alternately operating until clear at the bottom of stake;
(6) fragmentation of other ambiguous barriers: hang in sleeve pipe by bull grab bucket with large-scale crane, transfer to and excavate bottom, turn round sleeve pipe and be pressed into during construction, utilizes the augers of its front end to destroy the soil body and obstruction.
Claims (4)
1. to remove obstacles a construction method, mainly for the removing of waste steel bar concrete square pile left after civil defence building demolition, precast concrete pile, timber basis or other ambiguous barriers, it is characterized in that, comprise the steps:
(1) parameter that pile-type, stake footpath and stake are long is first determined, to take measure process targetedly;
(2) the pulling out of timber or minor diameter reinforced concrete pile, can adopt wire rope to tie down pile crown crawler crane or large digging machine is pulled out;
(3) steel concrete segmentation prefabricating stake, considers in the process of pulling out and may rupture, and vibration-water can be adopted to rush sleeve pipe technique and pull out;
(4) not clear obstacle or diameter more greatly, darker stake, the supporting pipe of full-rotating drill can be adopted to remove.
2. one as claimed in claim 1 is removed obstacles construction method, and it is characterized in that, in described step (1), the tonnage of crawler crane is 40-60 ton.
3. one as claimed in claim 1 is removed obstacles construction method, it is characterized in that, in described step (3), vibration-water rushes sleeve pipe technique and is specially:
(1) excavate ground, will pile pulling position be needed to be excavated, and release slope;
(2) open and make mat foundation: cut the basis with stake connecting portion;
(3) pile crown is exposed: pile crown and surrounding are cleaned out, and flatten;
(4) bury casing underground: by the shield-tube embedment of diameter 1000-12000mm in foundation ditch, and guarantee that stake is positioned at casing center, once the casing of stakes all for cushion cap is all buried underground;
(5) pit backfill: the cushion cap having buried casing is backfilled;
(6) pile foundation is in place: pipeline sinking pile machine is moved to stake position;
(7) aim at pile crown, make pile crown be positioned at immersed tube center;
(8) immersed tube;
(9) add aqueous vapor, during 20 meters, immersed tube road, can add water when immersed tube resistance is larger aerating;
(10) immersed tube on earth;
(11) tube drawing;
(12) be shifted: move to next position and continue construction;
(13) crane pile pulling;
(14) stake holes backfill: with cement repeatedly back-filling in layers, and every one deck weight hits reality.
4. one as claimed in claim 1 is removed obstacles construction method, and it is characterized in that, the Specific construction step of described step (4) is:
(1) pile crown is felt;
(2) measurement and positioning;
(3) driller insertion;
(4) press down sleeve pipe, draining, fetch earth;
(5) useless stake is removed: guaranteeing to use weight hammering pile body after managing interior mud gets rid of, as much as possible smash pile body surface, then put into multi-head gripper drilling cutting to mill and make discarded pile body broken, capturing broken pile body with rushing grappling fixture, repeating alternately operating until clear at the bottom of stake;
(6) fragmentation of other ambiguous barriers: hang in sleeve pipe by bull grab bucket with large-scale crane, transfer to and excavate bottom, turn round sleeve pipe and be pressed into during construction, utilizes the augers of its front end to destroy the soil body and obstruction.
Priority Applications (1)
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CN201510057132.2A CN104746519A (en) | 2015-02-04 | 2015-02-04 | Obstacle clearing construction method |
Applications Claiming Priority (1)
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CN201510057132.2A CN104746519A (en) | 2015-02-04 | 2015-02-04 | Obstacle clearing construction method |
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CN104746519A true CN104746519A (en) | 2015-07-01 |
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CN201510057132.2A Pending CN104746519A (en) | 2015-02-04 | 2015-02-04 | Obstacle clearing construction method |
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Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105155516A (en) * | 2015-08-14 | 2015-12-16 | 江苏省华建建设股份有限公司 | Method for constructing cast-in-situ bored pile before comprehensively removing underground barriers |
CN106193042A (en) * | 2016-07-20 | 2016-12-07 | 中建八局第三建设有限公司 | Next-door neighbour's underground structure sandy soil layer is gone along with sb. to guard him obstacle pile sweep-out method at ground wall |
CN110080210A (en) * | 2019-04-20 | 2019-08-02 | 中国二十冶集团有限公司 | Cast-in-place pile construction method in discarded ground |
CN111119180A (en) * | 2019-12-25 | 2020-05-08 | 中铁二局集团有限公司 | Underground pile foundation clearing construction method in complex environment |
CN111877344A (en) * | 2020-06-24 | 2020-11-03 | 中煤江南建设发展有限公司 | Old pipe pile breaking method |
CN113356206A (en) * | 2021-06-28 | 2021-09-07 | 中铁十六局集团地铁工程有限公司 | Construction method for breaking existing pile foundation |
CN113417287A (en) * | 2021-05-26 | 2021-09-21 | 中交二航局第三工程有限公司 | Construction method for removing underground secant pile by full-casing full-slewing drilling machine |
CN113653052A (en) * | 2021-09-02 | 2021-11-16 | 上海建工四建集团有限公司 | Obstacle clearing construction method for large-diameter underground steel-concrete composite structure |
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CN1482309A (en) * | 2003-06-12 | 2004-03-17 | 上海隧道工程股份有限公司 | A drill hole grout pile drag reduction extraction process |
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CN1482309A (en) * | 2003-06-12 | 2004-03-17 | 上海隧道工程股份有限公司 | A drill hole grout pile drag reduction extraction process |
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Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105155516A (en) * | 2015-08-14 | 2015-12-16 | 江苏省华建建设股份有限公司 | Method for constructing cast-in-situ bored pile before comprehensively removing underground barriers |
CN105155516B (en) * | 2015-08-14 | 2016-11-30 | 江苏省华建建设股份有限公司 | The method of construction drill bored concrete pile before making an overall screening underground obstacle |
CN106193042A (en) * | 2016-07-20 | 2016-12-07 | 中建八局第三建设有限公司 | Next-door neighbour's underground structure sandy soil layer is gone along with sb. to guard him obstacle pile sweep-out method at ground wall |
CN106193042B (en) * | 2016-07-20 | 2018-02-13 | 中建八局第三建设有限公司 | Obstacle pile sweep-out method at ground wall is gone along with sb. to guard him close in underground structure sandy soil layer |
CN110080210A (en) * | 2019-04-20 | 2019-08-02 | 中国二十冶集团有限公司 | Cast-in-place pile construction method in discarded ground |
CN111119180A (en) * | 2019-12-25 | 2020-05-08 | 中铁二局集团有限公司 | Underground pile foundation clearing construction method in complex environment |
CN111877344A (en) * | 2020-06-24 | 2020-11-03 | 中煤江南建设发展有限公司 | Old pipe pile breaking method |
CN113417287A (en) * | 2021-05-26 | 2021-09-21 | 中交二航局第三工程有限公司 | Construction method for removing underground secant pile by full-casing full-slewing drilling machine |
CN113356206A (en) * | 2021-06-28 | 2021-09-07 | 中铁十六局集团地铁工程有限公司 | Construction method for breaking existing pile foundation |
CN113653052A (en) * | 2021-09-02 | 2021-11-16 | 上海建工四建集团有限公司 | Obstacle clearing construction method for large-diameter underground steel-concrete composite structure |
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Application publication date: 20150701 |
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