CN110295593A - A kind of hypogee lid digs the construction technology of steel pipe column - Google Patents
A kind of hypogee lid digs the construction technology of steel pipe column Download PDFInfo
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- CN110295593A CN110295593A CN201910574500.9A CN201910574500A CN110295593A CN 110295593 A CN110295593 A CN 110295593A CN 201910574500 A CN201910574500 A CN 201910574500A CN 110295593 A CN110295593 A CN 110295593A
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- steel pipe
- column
- pipe column
- construction
- hypogee
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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
- E02D15/00—Handling building or like materials for hydraulic engineering or foundations
- E02D15/02—Handling of bulk concrete specially for foundation or hydraulic engineering purposes
- E02D15/04—Placing concrete in mould-pipes, pile tubes, bore-holes or narrow shafts
-
- 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
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/30—Columns; Pillars; Struts
- E04C3/34—Columns; Pillars; Struts of concrete other stone-like material, with or without permanent form elements, with or without internal or external reinforcement, e.g. metal coverings
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2250/00—Production methods
- E02D2250/0023—Cast, i.e. in situ or in a mold or other formwork
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Architecture (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
Abstract
The invention discloses the construction technologies that a kind of hypogee lid digs steel pipe column, its method includes construction of working shaft and column pile driving construction, the method that the present invention uses branch's construction, excavation column first is carried out to active well, then opposition stanchion carries out precision construction, on the one hand the speed of application that hypogee lid digs steel pipe column is improved, it is ensured that on the other hand working security ensures construction quality.
Description
Technical field
The present invention relates to engineering fields, and the construction technology of steel pipe column is dug more particularly to a kind of hypogee lid.
Background technique
Hypogee lid is dug newly applying for steel pipe column and is constructed using cavern-pile method, which includes filling pile construction in pilot tunnel
Step extracts mud in steel pile casting, using artificial after the pile foundation concrete under steel pile casting protection wait pour reaches 70% intensity
Stake top concrete is abolished to permanent steel pipe column bottom absolute altitude in underground, and locator installs installs steel pipe column again.
But construction method haves the defects that long construction period, complex procedures at present, and needs in work progress manually in well
It is lower carry out bottom hole pile crown concrete cut and locator installation, there are many insecurity factors, steel pipe column long construction period is applied
Work higher cost, has some limitations.
The invention discloses be inserted into steel pipe column in a kind of pilot tunnel internal drilling bored concrete pile by similar patent CN201510857418.9
One-pass molding construction method, comprising: 1, drawing hole construction is carried out in the pilot tunnel for pile operation；2, drilling machine positioning and drilling；
3, the steel reinforcement cage in the interior installation pile foundation steel bar cage of drilling, steel pipe column and column；4, using the hydraulic insertion machine of steel pipe column to steel pipe column essence
Determine position, leveling；5, poured pile base concrete and steel pipe column concrete；6, rubble is backfilled between steel pipe column and stake；7, continue to be perfused
Steel pipe column concrete；8, coarse sand is backfilled, the hydraulic insertion machine of steel pipe column is removed, extract mud out and changes tool pipe into first segment steel
Tubing string；9, steel reinforcement cage in first segment steel pipe column is installed, steel pipe column concrete is perfused, pile is completed after the completion of concrete curing and is applied
Work.
Above-mentioned patent uses cavern-pile method to construct, therefore that there are construction periods is longer, and working security is not high to ask
Topic.
Summary of the invention
A kind of hypogee lid digs the preparation method of the construction technology of steel pipe column, construction technology include construction of working shaft and
Column pile driving construction.
Preferably, the construction of working shaft step includes:
(1) active well is dug with rotary drilling rig, depth is determined according to design requirement；
(2) active well steel column support frame is placed on work well head；
(3) steel pipe column is passed through under support frame in active well, and is fixed by steel column support frame；
(4) in concrete perfusion to steel pipe column.
Preferably, the stand column pile construction procedure includes:
(1) rotary drilling rig align piles position underthrust casing into ground is used, casing digging stand column pile is passed through later and drills to projected depth；
(2) ultra-retardation concrete is perfused in the column stake holes, is poured into after design needs height, platform well mouth locator is pacified and is welded
It is connected on casing；
(3) multifunctional platform, the adjustable levelness of multifunctional platform and height are set up after on platform well mouth locator；
(4) verticality for adjusting multifunctional platform, guarantees steel column verticality, the channel of steel pipe column under multifunctional platform is beaten
It opens；
(5) tool section is sling, rotates clockwise screwed connection at the top of tool section and steel pipe column；
(6) steel pipe column is sling by tool section, and is lowered into stand column pile drilling out of multifunctional platform channel, in tool section
Lower part is lowered into when maintain an equal level with channel roof, fastens channel, continues underthrust, is reached after design mark post on tool section top
Bolt is to be fixed on channel top；(7) tool section is rotated clockwise, bracket direction is adjusted；
(8) after to super slow concrete setting, multifunctional platform integrally falls, and takes out positioning pin；
(9) rotation counterclockwise is turned round lower and takes out tool section, later removes multifunctional platform.
Preferably, the method that concrete perfusion uses enhancing perfusion in the step (4), parameter are injection pressure
56.74Mpa；Speed 15L/s is perfused.
Preferably, steel column support frame is placed on well head in the step (2), and support frame will be more than apart from well head diameter
50cm range.
Preferably, platform well mouth locator is equipped with circular through hole in the step (2), need to ensure the center pair of circular through hole
The center of quasi- stand column pile drilling.
Preferably, need to guarantee the channel center of steel pipe column and well head locator under multifunctional platform in the step (3)
Circular through hole center alignment.
The utility model has the advantages that method includes work the present invention provides the construction technology that a kind of hypogee lid digs steel pipe column
Well construction and column pile driving construction, the method that the present invention uses branch's construction, first carry out excavation column to active well, then column
Stake carries out precision construction, on the one hand improves the speed of application that hypogee lid digs steel pipe column, it is ensured that working security, it is another
Aspect ensures construction quality, and the construction of working shaft step includes: that (1) with rotary drilling rig digs active well, and depth is according to design
Demand determines；(2) active well steel column support frame is placed on work well head；(3) steel pipe column is passed through and arrives active well under support frame
It is interior, and fixed by steel column support frame；(4) in concrete perfusion to steel pipe column, this method can effectively to construction well into
Row is slightly constructed early period, determines that condition, the stand column pile construction procedure can be in previous work well construction conditions for subsequent construction
On the basis of, further accurate construction cement injection, it is ensured that the quality of engineering, in the step (4) concrete perfusion using plus
The method for pressing perfusion, parameter are injection pressure 56.74Mpa；Speed 15L/s is perfused, this method can effectively ensure to be perfused mixed
Solidifying soil can be compacted, and prevent aeration concrete column quality, and steel column support frame is placed on well head in the step (2),
Support frame will be more than 50cm range apart from well head diameter, and this method can effectively consolidate the position of support frame, prevent support frame from existing
There is the problem of slump in construction ground, and platform well mouth locator is equipped with circular through hole in the step (2), need to ensure circular through hole
The center of center alignment post stake drilling, need to guarantee in the step (3) under multifunctional platform the channel center of steel pipe column with
The center of the circular through hole of well head locator is aligned, and this method can ensure the accuracy of construction location, prevents construction from occurring inclined
Difference.
Specific embodiment
To be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, below with reference to
Specific embodiment, the present invention is further explained.
Embodiment 1:
A kind of hypogee lid digs the construction technology of steel pipe column, and construction technology includes: construction of working shaft and column pile driving construction.
The construction of working shaft step includes:
(1) active well is dug with rotary drilling rig, depth is determined according to design requirement；
(2) active well steel column support frame is placed on work well head；
(3) steel pipe column is passed through under support frame in active well, and is fixed by steel column support frame；
(4) in concrete perfusion to steel pipe column.
The stand column pile construction procedure includes:
(1) rotary drilling rig align piles position underthrust casing into ground is used, casing digging stand column pile is passed through later and drills to projected depth；
(2) ultra-retardation concrete is perfused in the column stake holes, is poured into after design needs height, platform well mouth locator is pacified and is welded
It is connected on casing；
(3) multifunctional platform, the adjustable levelness of multifunctional platform and height are set up after on platform well mouth locator；
(4) verticality for adjusting multifunctional platform, guarantees steel column verticality, the channel of steel pipe column under multifunctional platform is beaten
It opens；
(5) tool section is sling, rotates clockwise screwed connection at the top of tool section and steel pipe column；
(6) steel pipe column is sling by tool section, and is lowered into stand column pile drilling out of multifunctional platform channel, in tool section
Lower part is lowered into when maintain an equal level with channel roof, fastens channel, continues underthrust, is reached after design mark post on tool section top
Bolt is to be fixed on channel top；(7) tool section is rotated clockwise, bracket direction is adjusted；
(8) after to super slow concrete setting, multifunctional platform integrally falls, and takes out positioning pin；
(9) rotation counterclockwise is turned round lower and takes out tool section, later removes multifunctional platform.
Embodiment 2:
A kind of hypogee lid digs the construction technology of steel pipe column, and construction technology includes: construction of working shaft and column pile driving construction.
The construction of working shaft step includes:
(1) active well is dug with rotary drilling rig, depth is determined according to design requirement；
(2) active well steel column support frame is placed on work well head, support frame will be more than 50cm range apart from well head diameter；
(3) steel pipe column is passed through under support frame in active well, and is fixed by steel column support frame；
(4) in concrete perfusion to steel pipe column, the method that concrete perfusion uses enhancing perfusion, parameter is injection pressure
56.74Mpa；Speed 15L/s is perfused.
The stand column pile construction procedure includes:
(1) rotary drilling rig align piles position underthrust casing into ground is used, casing digging stand column pile is passed through later and drills to projected depth；
(2) ultra-retardation concrete is perfused in the column stake holes, is poured into after design needs height, platform well mouth locator is pacified and is welded
It is connected on casing, platform well mouth locator is equipped with circular through hole, need to ensure in the center alignment post stake drilling of circular through hole
The heart；
(3) multifunctional platform, the adjustable levelness of multifunctional platform and height are set up on platform well mouth locator after, are needed
Guarantee that the channel center of steel pipe column is aligned with the center of the circular through hole of well head locator under multifunctional platform；
(4) verticality for adjusting multifunctional platform, guarantees steel column verticality, the channel of steel pipe column under multifunctional platform is beaten
It opens；
(5) tool section is sling, rotates clockwise screwed connection at the top of tool section and steel pipe column；
(6) steel pipe column is sling by tool section, and is lowered into stand column pile drilling out of multifunctional platform channel, in tool section
Lower part is lowered into when maintain an equal level with channel roof, fastens channel, continues underthrust, is reached after design mark post on tool section top
Bolt is to be fixed on channel top；(7) tool section is rotated clockwise, bracket direction is adjusted；
(8) after to super slow concrete setting, multifunctional platform integrally falls, and takes out positioning pin；
(9) rotation counterclockwise is turned round lower and takes out tool section, later removes multifunctional platform.
Embodiment 3:
A kind of hypogee lid digs the construction technology of steel pipe column, and construction technology includes: construction of working shaft and column pile driving construction.
The construction of working shaft step includes:
(1) active well is dug with rotary drilling rig, depth is determined according to design requirement；
(2) active well steel column support frame is placed on work well head；
(3) steel pipe column is passed through under support frame in active well, and is fixed by steel column support frame；
(4) in concrete perfusion to steel pipe column.
The stand column pile construction procedure includes:
(1) rotary drilling rig align piles position underthrust casing into ground is used, casing digging stand column pile is passed through later and drills to projected depth；
(2) ultra-retardation concrete is perfused in the column stake holes, is poured into after design needs height, platform well mouth locator is pacified and is welded
It is connected on casing, platform well mouth locator is equipped with circular through hole, need to ensure in the center alignment post stake drilling of circular through hole
The heart；
(3) multifunctional platform, the adjustable levelness of multifunctional platform and height are set up on platform well mouth locator after, are needed
Guarantee that the channel center of steel pipe column is aligned with the center of the circular through hole of well head locator under multifunctional platform；
(4) verticality for adjusting multifunctional platform, guarantees steel column verticality, the channel of steel pipe column under multifunctional platform is beaten
It opens；
(5) tool section is sling, rotates clockwise screwed connection at the top of tool section and steel pipe column；
(6) steel pipe column is sling by tool section, and is lowered into stand column pile drilling out of multifunctional platform channel, in tool section
Lower part is lowered into when maintain an equal level with channel roof, fastens channel, continues underthrust, is reached after design mark post on tool section top
Bolt is to be fixed on channel top；(7) tool section is rotated clockwise, bracket direction is adjusted；
(8) after to super slow concrete setting, multifunctional platform integrally falls, and takes out positioning pin；
(9) rotation counterclockwise is turned round lower and takes out tool section, later removes multifunctional platform.
It extracts each embodiment to be analyzed, and is compareed with the prior art, obtain following data:
| Construction efficiency enhancing rate/% | Construct accurate rate/% | There is engineering accident rate/% | |
| Embodiment 1 | 12% | 99.5% | 0.057% |
| Embodiment 2 | 13% | 99.5% | 0.048% |
| Embodiment 3 | 11% | 99.5% | 0.054% |
| Existing index | 10% | 95.2% | 0.079% |
According to above table data, it can be concluded that, when implementing 2 parameter of embodiment, a kind of hypogee lid of the present invention digs steel pipe column
Construction technology technological parameter be construction efficiency enhancing rate 13%, construct accurate rate 99.5%, there is engineering accident rate 0.054%,
And prior art standard is construction efficiency enhancing rate 10%, accurate rate 95.2% of constructing, and engineering accident rate 0.079%, therefore this occurs
The construction technology construction efficiency for inventing a kind of hypogee lid digging steel pipe column is higher, and construction accuracy is higher, constructs safer,
Therefore the present invention has significant superiority.
The present invention provides the construction technology that a kind of hypogee lid digs steel pipe column, method includes construction of working shaft and stands
Stanchion construction, the method that the present invention uses branch's construction first carry out excavation column to active well, and the stanchion that then opposes carries out accurate
On the one hand construction improves the speed of application that hypogee lid digs steel pipe column, it is ensured that on the other hand working security ensures
Construction quality, the construction of working shaft step include: (1) with rotary drilling rig digging active well, and depth is determined according to design requirement；
(2) active well steel column support frame is placed on work well head；(3) steel pipe column is passed through under support frame in active well, and passed through
Steel column support frame is fixed；(4) in concrete perfusion to steel pipe column, this method effectively can slightly apply early period to construction well
Work determines that condition, the stand column pile construction procedure can be on the basis of previous work well construction conditions, into one for subsequent construction
The accurate construction cement injection of step, it is ensured that the quality of engineering, concrete perfusion uses the side of enhancing perfusion in the step (4)
Method, parameter are injection pressure 56.74Mpa；Speed 15L/s is perfused, this method can effectively ensure that the concrete being perfused can press
It is real, aeration concrete column quality is prevented, steel column support frame is placed on well head in the step (2), and support frame will be away from
It is more than 50cm range from well head diameter, this method can effectively consolidate the position of support frame, prevent support frame from occurring in construction ground
The problem of slump, platform well mouth locator is equipped with circular through hole in the step (2), need to ensure that the center alignment of circular through hole is vertical
The center of stanchion drilling needs to guarantee the channel center of steel pipe column and well head locator under multifunctional platform in the step (3)
Circular through hole center alignment, this method can ensure the accuracy of construction location, prevent construction from deviation occur.
What has been described above is only a preferred embodiment of the present invention, it is noted that for those of ordinary skill in the art
For, without departing from the concept of the premise of the invention, various modifications and improvements can be made, these belong to the present invention
Protection scope.
Claims (7)
1. the construction technology that a kind of hypogee lid digs steel pipe column, which is characterized in that the construction technology includes construction of working shaft
With column pile driving construction.
2. the construction technology that hypogee lid according to claim 1 digs steel pipe column, which is characterized in that the active well is applied
Work step includes: suddenly
(1) active well is dug with rotary drilling rig, depth is determined according to design requirement；
(2) active well steel column support frame is placed on work well head；
(3) steel pipe column is passed through under support frame in active well, and is fixed by steel column support frame；
(4) in concrete perfusion to steel pipe column.
3. the construction technology that hypogee lid according to claim 1 digs steel pipe column, which is characterized in that the stand column pile is applied
Work step includes: suddenly
(1) rotary drilling rig align piles position underthrust casing into ground is used, casing digging stand column pile is passed through later and drills to projected depth；
(2) ultra-retardation concrete is perfused in the column stake holes, is poured into after design needs height, platform well mouth locator is pacified and is welded
It is connected on casing；
(3) multifunctional platform, the adjustable levelness of multifunctional platform and height are set up after on platform well mouth locator；
(4) verticality for adjusting multifunctional platform, guarantees steel column verticality, the channel of steel pipe column under multifunctional platform is beaten
It opens；
(5) tool section is sling, rotates clockwise screwed connection at the top of tool section and steel pipe column；
(6) steel pipe column is sling by tool section, and is lowered into stand column pile drilling out of multifunctional platform channel, in tool section
Lower part is lowered into when maintain an equal level with channel roof, fastens channel, continues underthrust, is reached after design mark post on tool section top
Bolt is to be fixed on channel top；
(7) tool section is rotated clockwise, bracket direction is adjusted；
(8) after to super slow concrete setting, multifunctional platform integrally falls, and takes out positioning pin；
(9) rotation counterclockwise is turned round lower and takes out tool section, later removes multifunctional platform.
4. the construction technology of the digging steel pipe column of the hypogee lid according to claim 2, which is characterized in that the step (4)
The method that middle concrete perfusion uses enhancing perfusion, parameter are injection pressure 56.74Mpa；Speed 15L/s is perfused.
5. the construction technology that hypogee lid according to claim 2 digs steel pipe column, which is characterized in that the step (2)
Middle steel column support frame is placed on well head, and support frame will be more than 50cm range apart from well head diameter.
6. the construction technology that hypogee lid according to claim 3 digs steel pipe column, which is characterized in that the step (2)
Middle platform well mouth locator is equipped with circular through hole, need to ensure the center of the center alignment post stake drilling of circular through hole.
7. the construction technology that hypogee lid according to claim 3 digs steel pipe column, which is characterized in that the step (3)
It is middle to need to guarantee that the channel center of steel pipe column is aligned with the center of the circular through hole of well head locator under multifunctional platform.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910574500.9A CN110295593A (en) | 2019-06-28 | 2019-06-28 | A kind of hypogee lid digs the construction technology of steel pipe column |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910574500.9A CN110295593A (en) | 2019-06-28 | 2019-06-28 | A kind of hypogee lid digs the construction technology of steel pipe column |
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| CN110295593A true CN110295593A (en) | 2019-10-01 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101509263A (en) * | 2009-03-09 | 2009-08-19 | 上海隧道工程股份有限公司 | Digging method foundation pit structure of steel cover and plate cover, and construction method |
| CN105672314A (en) * | 2016-01-19 | 2016-06-15 | 中建八局第三建设有限公司 | Method for constructing steel pipe upright pile through semi-reversed-construction method |
| CN108374418A (en) * | 2018-03-26 | 2018-08-07 | 中铁五局集团有限公司 | Steel pipe column precise positioning Fast Installation construction technology in a kind of sheltered reverse excavation |
-
2019
- 2019-06-28 CN CN201910574500.9A patent/CN110295593A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101509263A (en) * | 2009-03-09 | 2009-08-19 | 上海隧道工程股份有限公司 | Digging method foundation pit structure of steel cover and plate cover, and construction method |
| CN105672314A (en) * | 2016-01-19 | 2016-06-15 | 中建八局第三建设有限公司 | Method for constructing steel pipe upright pile through semi-reversed-construction method |
| CN108374418A (en) * | 2018-03-26 | 2018-08-07 | 中铁五局集团有限公司 | Steel pipe column precise positioning Fast Installation construction technology in a kind of sheltered reverse excavation |
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Application publication date: 20191001 |