CN109024608A - The construction method that steel pipe column for contrary sequence method quickly positions - Google Patents
The construction method that steel pipe column for contrary sequence method quickly positions Download PDFInfo
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- CN109024608A CN109024608A CN201810832851.0A CN201810832851A CN109024608A CN 109024608 A CN109024608 A CN 109024608A CN 201810832851 A CN201810832851 A CN 201810832851A CN 109024608 A CN109024608 A CN 109024608A
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/02—Foundation pits
- E02D17/04—Bordering surfacing or stiffening the sides of foundation pits
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/045—Underground structures, e.g. tunnels or galleries, built in the open air or by methods involving disturbance of the ground surface all along the location line; Methods of making them
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- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
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Abstract
The present invention relates to the technical fields of contrary sequence method steel pipe column positioning, disclose the construction method quickly positioned for the steel pipe column of contrary sequence method, steps are as follows: (1) stake holes first time concreting forms erecting bed, installation manifests erecting bed reinforcing bar, and artificial digging pile has pile body reinforcing bar；(2) anchor bolt frame is hung in stake holes according to stake holes center；Anchor bolt frame is fixed with erecting bed reinforcing bar and pile body reinforcing bar respectively；(3) second of concreting of stake holes is carried out；(4) locator is mounted on anchor bolt frame top；(5) there is the first gap, C60 ungauged regions pea gravel concreten pours the first gap between positioning plate and cushion cap；(6) positioning steel tube column is lifted；(7) the second gap is poured using C40 pea gravel concreten, forms fixed land；(8) third space is tamped using sand.Steel column is directed at locator, easy to operate, convenient；Concreting twice keeps integral construction safe and reliable, under the guiding role for importing frame, realizes that steel pipe column is accurate and quick insertion locator completes the positioning of steel pipe column.
Description
Technical field
The present invention relates to the technical fields of contrary sequence method steel pipe column positioning, in particular to quickly fixed for the steel pipe column of contrary sequence method
The construction method of position.
Background technique
When building is influenced by periphery complex environment, building foundation pit supporting and underground structure use reverse construction, in foundation pit
Foundation pile use artificial digging pile, main structure is cast-in-place mixed using steel core concrete column, H profile steel beam, self-bearing type profiled sheet
Solidifying soil floor construction；The basement structure cylinder connecting with pile foundation uses concrete filled steel tube column.
When reverse construction, artificial digging pile of constructing since positive and negative zero level, after manual digging pile construction, immediately
Start structured steel pipe column and pour concrete filled steel tube, concrete filled steel tube column is the vertical load-bearing structure of this project structure
Part, steel pipe post need the stake top in the deeper range of deep pit digging in the stake holes of about more than 10 rice with foundation pit bottom position accurately to connect
It connects, the installation positioning of steel pipe column becomes the key link for influencing erection of steel pipe column quality.
In the prior art, in reverse construction, it cannot achieve and steel pipe column is quickly and accurately installed；Only determined by easy
Position device is complex for operation step to erection of steel pipe column, influences construction efficiency and construction duration, and being unable to satisfy construction now needs
It asks.
Summary of the invention
The purpose of the present invention is to provide the construction methods that the steel pipe column for contrary sequence method quickly positions, it is intended to solve existing
In technology when contrary sequence method, the problem of quickly and accurately installing steel pipe column cannot achieve.
The invention is realized in this way the construction method that the steel pipe column for contrary sequence method quickly positions, comprising the following steps:
(1) artificial digging pile forms stake holes, and the stake holes carries out first time concreting, pours to away from design stake top mark
At high 0.5m-1.5m, erecting bed is formed after concrete final set, the top concrete of the erecting bed is cut, manifests erecting bed
Reinforcing bar, artificial digging pile have pile body reinforcing bar；
(2) anchor bolt frame is hung in stake holes according to stake holes center；By the anchor bolt frame respectively with the erecting bed
Reinforcing bar and the pile body reinforcing bar are fixed；
(3) second of the concreting of stake holes, i.e. concrete casting at stake top 0.5m-1.5m are carried out；
(4) the anchor bolt frame includes multiple anchor bolt bars, forms cushion cap after the secondary concrete final set poured of pile body, multiple
The top of the anchor bolt bar extends to the top of the cushion cap upward, and the top of each anchor bolt bar is mounted on lower adjusting spiral shell
Mother, each lower adjusting nut adjustment to uniform level height；Locator is lifted on the anchor bolt frame, the locator
With positioning plate, the lower end surface of the positioning plate contradicts each lower adjusting nut respectively, after adjustment locator is horizontal,
The upper surface of the positioning plate, which is twisted, sets multiple upper adjusting nuts, and the upper adjusting nut and the lower adjusting nut clip hold fixed institute
State locator；
(5) there is the first gap, by the way of pressure grouting, by what is mixed and stirred between the positioning plate and the cushion cap
C60 ungauged regions pea gravel concreten pours the first gap；
(6) importing frame is installed at the top of artificial digging pile, there is the importing frame steel pipe column to hang in mouth, by steel pipe column from
It hanging in mouth and lifts up into the importing frame, steel pipe column is moved in the importing frame to be postponed with the locator in upper and lower face cloth,
By steel pipe column, movement is arranged the locator downward；The verticality for checking steel pipe column is used if there is the perpendicularity deviation of steel pipe column
Steel wire loop is drawn on steel pipe column top from orthogonal both direction, is adjusted to the verticality of steel pipe column；Steel pipe column with
The positioning plate carries out relatively fixed connection by multiple fixed blocks.
(7) the second gap is formed between the outside and man-made digging pile mould-pipe of the lower part of steel pipe column, using C40 microlith coagulation
Soil pours the second gap, forms fixed land, and the lower end of the fixed land contradicts the positioning plate；
(8) third space is formed between the outside and man-made digging pile mould-pipe of steel pipe column, third space is in fixed land
Top, third space tamped using sand.
Further, in step (2), after the anchor bolt frame is hung in the stake holes, anchor bolt frame is tuned into horizontal
Arrangement, then anchor bolt frame is fixed with erecting bed reinforcing bar and pile body reinforcement welding respectively, the position of anchor bolt frame is checked again.
Further, the anchor bolt frame includes multiple anchor poles and multiple anchor ring plates annular in shape, multiple anchor pole edges
Circumferencial direction is in around arranged for interval；Along the depth direction of the stake holes, multiple anchor ring plates are spaced apart, multiple anchor poles point
Multiple anchor ring plates are not sequentially passed through, and the anchor ring plate and the anchor pole are relatively fixed.
Further, the locator includes positioning floor；The positioning floor fixes top and the court of the positioning plate
On be disposed to extend；The positioning floor, which has, laterally occupies range, along upwardly-directed, the transverse direction of the positioning floor occupies under
Range is gradually reduced.
Further, the positioning floor includes two floor bodies to intersect vertically in cross, the both ends of the floor body
It is respectively equipped with reinforcing floor, the reinforcing floor and the perpendicular arrangement of floor body.
Further, the top for importing frame and being installed in the stake holes；The importing frame have moving area and with
The moving area is connected to and for the inlet port that the steel pipe column enters, and the moving area, which has, makes steel pipe column stop movement
Stop, when the steel pipe column is when the moving area is moved to the stop, the steel pipe column is in the locator
Upper and lower face arrangement.
Further, the positioning plate is welded in the fixed block bottom, and the steel pipe column is welded in the side of the fixed block
Outer surface；Multiple fixed blocks are in be spaced apart along the circumferencial direction of the steel pipe column.
Further, in step (7), the fixed land of the second gap formation is poured using C40 pea gravel concreten
With a thickness of 40cm-60cm.
Further, each fixed block is in the inside of the fixed land.
Further, in step (5), the first clearance height about 20cm-40cm, and poured using mode is plugged and pounded
C60 ungauged regions pea gravel concreten.
Compared with prior art, the construction method quickly positioned provided by the present invention for the steel pipe column of contrary sequence method, manually
Caisson forms stake holes, and stake holes carries out concreting in two times, and first time concreting forms erecting bed, realizes anchor bolt frame
Fix and install, second of concreting formed cushion cap, fixed function is further functioned as to anchor bolt frame；Anchor bolt frame is completed
After fixation, locator is lifted on anchor bolt frame, realizes installing for locator；C60 ungauged regions pea gravel concreten is poured first
Gap, to play reinforcement effect to locator；In this way, steel column need to only be directed at locator, cover steel column on locator,
Lower adjusting nut is tightened, it is easy to operate, convenient；In addition, concreting twice, pour C60 ungauged regions pea gravel concreten and
C40 pea gravel concreten is poured, keeps integral construction safe and reliable, also, under the guiding role for importing frame, realizes that steel pipe column is accurate
And quick insertion locator completes the positioning of steel pipe column.
Detailed description of the invention
Fig. 1 is the construction process for the construction method that the steel pipe column provided in an embodiment of the present invention for contrary sequence method quickly positions
Schematic diagram；
Fig. 2 is the whole three-dimensional of the construction method that the steel pipe column provided in an embodiment of the present invention for contrary sequence method quickly positions
Schematic diagram；
Fig. 3 is the anchor bolt frame for the construction method that the steel pipe column provided in an embodiment of the present invention for contrary sequence method quickly positions
Stereoscopic schematic diagram；
Fig. 4 is the locator for the construction method that the steel pipe column provided in an embodiment of the present invention for contrary sequence method quickly positions
Top view；
Fig. 5 is the steel pipe column peace for the construction method that the steel pipe column provided in an embodiment of the present invention for contrary sequence method quickly positions
Fill schematic diagram.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
The same or similar label correspond to the same or similar components in the attached drawing of the present embodiment；In description of the invention
In, it is to be understood that if there is the orientation or positional relationship of the instructions such as term " on ", "lower", "left", "right" for based on attached drawing institute
The orientation or positional relationship shown, is merely for convenience of description of the present invention and simplification of the description, rather than the dress of indication or suggestion meaning
It sets or element must have a particular orientation, be constructed and operated in a specific orientation, therefore describe the use of positional relationship in attached drawing
Language only for illustration, should not be understood as the limitation to this patent, for the ordinary skill in the art, can be with
The concrete meaning of above-mentioned term is understood as the case may be.
Realization of the invention is described in detail below in conjunction with specific embodiment.
Referring to Fig.1 shown in -5, preferred embodiment is provided for the present invention.
Provided by the present invention for the construction method that the steel pipe column of contrary sequence method quickly positions, when for solving contrary sequence method, nothing
Method realizes the problem of quickly and accurately installing steel pipe column 30.
The construction method that steel pipe column for contrary sequence method quickly positions, comprising the following steps:
(1) artificial digging pile forms stake holes, and stake holes carries out first time concreting, pours to away from design stake top absolute altitude
At 0.5m-1.5m, erecting bed is formed after concrete final set, cuts the top concrete of erecting bed, manifests erecting bed reinforcing bar, people
Work caisson has pile body reinforcing bar；
(2) anchor bolt frame 10 is hung in stake holes according to stake holes center；By anchor bolt frame 10 respectively with erecting bed reinforcing bar
It is fixed with pile body reinforcing bar；
(3) second of concreting of stake holes, i.e. concrete casting at stake top 0.5m-1.5m are carried out；
(4) anchor bolt frame 10 includes multiple anchor bolt bars, forms cushion cap, Duo Gemao after the secondary concrete final set poured of pile body
The top of tightening latch extends to the top of cushion cap upward, and the top of each anchor bolt bar is mounted on lower adjusting nut 42, each downward
Section nut 42 is adjusted to uniform level height；Locator 20 is lifted on anchor bolt frame 10, locator 20 has positioning plate 23, fixed
The lower end surface of position plate 23 contradicts each lower adjusting nut 42 respectively, after adjustment locator 20 is horizontal, the upper end of positioning plate 23
Face, which is twisted, sets multiple upper adjusting nuts 41, and upper adjusting nut 41 grips locator 20 with lower adjusting nut 42；
(5) between positioning plate 23 and cushion cap have the first gap, by the way of pressure grouting, by the C60 mixed and stirred without
It shrinks pea gravel concreten 50 and pours the first gap；
(6) it is equipped at the top of artificial digging pile and imports frame 70, importing frame 70, there is steel pipe column 30 to hang in mouth, by steel pipe column
30 lift up into importing frame 70 from mouth is hung in, and steel pipe column 30 is moved in importing frame 70 to be postponed with locator 20 in upper and lower face cloth,
By steel pipe column 30, movable sleeving sets locator 20 downward；The verticality for checking steel pipe column 30, if the verticality for steel pipe column 30 occur is inclined
Difference is drawn from orthogonal both direction on 30 top of steel pipe column with steel wire loop, is adjusted to the verticality of steel pipe column 30；
Steel pipe column 30 and positioning plate 23, which fix relatively by multiple fixed blocks, to be connected.
(7) the second gap is formed between the outside and man-made digging pile mould-pipe of the lower part of steel pipe column 30, it is mixed using C40 microlith
Solidifying soil pours the second gap, forms fixed land 60, and the lower end of fixed land 60 contradicts positioning plate 23；
(8) third space is formed between the outside and man-made digging pile mould-pipe of steel pipe column 30, third space is in fixed ring
The top of platform 60, third space are tamped using sand.
The above-mentioned construction method quickly positioned for the steel pipe column 30 of contrary sequence method, artificial digging pile form stake holes, stake holes
Concreting is carried out in two times, first time concreting forms erecting bed, realize fixing and installing for anchor bolt frame 10, the
Second coagulation soil pours to form cushion cap, further functions as fixed function to anchor bolt frame 10；Anchor bolt frame 10 is completed after fixing, and will be positioned
Device 20 is lifted on anchor bolt frame 10, realizes installing for locator 20；C60 ungauged regions pea gravel concreten 50 is poured in the first gap,
To play reinforcement effect to locator 20；In this way, steel column need to only be directed at locator 20, cover steel column in locator 20
On, lower adjusting nut 42 is tightened, it is easy to operate, convenient；In addition, concreting twice, pouring C60 ungauged regions pea gravel concreten
50 and C40 pea gravel concreten is poured, keep integral construction safe and reliable, also, under the guiding role for importing frame 70, realizes steel
Tubing string 30 is accurate and quick insertion locator 20 completes the positioning of steel pipe column 30.
In the present embodiment, in step (2), after anchor bolt frame 10 is hung in stake holes, anchor bolt frame 10 is tuned into horizontal cloth
It sets, is installed convenient for subsequent positioner 20, it is horizontal convenient for locator 20, guarantee the verticality after steel pipe column 30 positions.
When locator 20 is fixed on anchor bolt frame 10, the center of anchor bolt frame 10 arrangement corresponding with the center of locator 20；This
Sample realizes that steel pipe column 30 precisely aligns.
Anchor bolt frame 10 is fixed with erecting bed reinforcing bar and pile body reinforcement welding respectively, installing for enhancing anchor bolt frame 10 is firm
Property, it avoids simultaneously, when subsequent progress filling concrete, anchor bolt frame 10 is caused to deviate, influence the positioning of steel pipe column 30；Anchor bolt frame 10 is solid
After fixed, the position of anchor bolt frame 10 is checked again, guarantees the setting accuracy of anchor cable frame, guarantees that steel pipe column 30 is accurately positioned.
The lower part of anchor pole 11 is equipped with end anchor slab 13, along the horizontal direction of erecting bed, 13 horizontal extension of end anchor slab arrangement
Stationary plane is formed, stationary plane is fixedly connected with the platform reinforcing bar of erecting bed；To realize the fixation of anchor pole 11, and then to entire anchor bolt
Frame 10 is fixed；In end under the action of anchor slab 13, increase the fixed-area of anchor pole 11 and platform reinforcing bar, enhancing anchor bolt frame 10
Stability is installed, is avoided simultaneously, when subsequent progress filling concrete, anchor bolt frame 10 is caused to deviate, influences steel pipe column positioning.
Furthermore after anchor bolt frame 10 is fixed, the position of anchor bolt frame 10 is checked again, guarantees the setting accuracy of anchor cable frame 10,
Guarantee subsequent 30 precise positioning of steel pipe column.
Anchor bolt frame 10 is projected in stake holes according to stake holes center, in this way, after subsequent steel pipe column 30 positions, steel pipe column 30
Center it is corresponding with stake holes center, thus guarantee steel pipe column 30 be accurately positioned.
Anchor bolt frame 10, locator 20 are completed the process all in accordance with steel column internal diameter in factory in advance；Simplify construction process, while pole
It is big to shorten the construction period.
Anchor bolt frame 10 includes multiple anchor poles 11 and multiple anchor ring plates 12, and anchor ring plate 12 is annularly arranged, multiple anchor poles 11
Along the circumferential direction in around arranged for interval；Along the depth direction of stake holes, multiple anchor ring plates 12 are spaced apart, and multiple anchor poles 11 are distinguished
Multiple anchor ring plates 12 are sequentially passed through, anchor ring plate 12 and anchor pole 11 are relatively fixed；In multiple anchor poles 11 and multiple anchor ring plates 12, increase
The whole bearing capacity of strong anchor bolt frame 10, guarantee locator 20 installs stability.
Since anchor ring plate 12 is annular in shape, keep anchor bolt frame 10 whole rounded, convenient for making anchor bolt frame 10 according to stake holes centre bit
It sets and is projected in stake holes.
In step (1), stake holes carries out first time concreting, pours at away from design stake top absolute altitude 1m, guarantees peace
Fill the supporting effect of platform, while installing convenient for anchor bolt frame 10；In this way, second of concreting of stake holes is carried out, at stake top 1m
Carry out concrete casting；Guarantee anchor bolt frame 10 installs stability.
Locator 20 includes positioning floor；It positions the top of floor stationary positioned plate 23 and is disposed to extend upward；Positioning rib
Plate, which has, laterally occupies range, along upwardly-directed, the transverse direction for positioning floor occupies range and is gradually reduced under；What is be arranged in this way is good
It is in convenient for the positioning of steel pipe column 30 and the cooperation realization steel pipe column 30 of locator 20.
Furthermore positioning floor includes two floor bodies 21 to intersect vertically in cross, under the action of two floor bodies 21,
Convenient for the positioning of steel pipe column 30.
The both ends of floor body 21, which are respectively equipped with, reinforces floor 22, reinforces floor 22 and the perpendicular arrangement of floor body 21, is adding
Gu floor 22, under effect, reinforcing rib plate body 21 installs stability, meanwhile, when steel pipe column 30 being avoided to position, avoid floor body
21 offsets.
Floor body 21 extends upward in flat, the use material of reduction floor body 21, while guaranteeing determining for steel pipe column 30
Position.
Two 21 cross of floor body form cross-shaped portion, cross-shaped portion arrangement corresponding with the center of locator 20, to protect
Demonstrate,prove the location accuracy of steel pipe column 30.
Import the top that frame 70 is installed in stake holes；Importing frame 70 has moving area and is connected to moving area and for steel
The inlet port that tubing string 30 enters, moving area, which has, makes steel pipe column 30 stop mobile stop, when steel pipe column 30 is in turnover zone
When domain is moved to stop, steel pipe column 30 and locator 20 are arranged in upper and lower face；Under the action of importing frame 70, to steel pipe column
Guiding role is played in 30 lifting, occurs not deviate when steel pipe column 30 effectively being avoided to lift, influences the positioning of steel pipe column 30.
Importing frame 70 includes the two vertical pole bodies 71 and cross-bar body 72 in parallel shape arrangement, cross-bar body 72 and vertical pole body 71
Perpendicular arrangement forms moving area between two vertical pole bodies 71, the front of two vertical pole bodies 71 is formed enter after, cross-bar body 72
Laterally intersect two vertical pole bodies 71 respectively, when steel pipe column 30 lifts, steel pipe column 30 enters from inlet port, moves along moving area
Dynamic, when steel pipe column 30 contradicts cross-bar body 72, steel pipe column 30 is in the surface of locator 20；To realize hanging to steel pipe column 30
Load guiding role.
Steel pipe column 30 is lifted using lifting equipment, and steel pipe column 30 is inserted into locator 20 and completes in place；By two theodolites,
The verticality of steel pipe column 30 is checked again for from orthogonal two axis directions respectively；If it was found that steel pipe column 30 generates a little hang down
Straight degree deviation draws from orthogonal both direction using two steel wire loops on 30 top of steel pipe column, does final adjustment；Really
Recognize it is errorless after, 30 root of steel pipe column is welded with positioning plate 23 with fixed block, realizes steel pipe column 30 and positioning plate 23 relatively solid
It is fixed.
Specifically, the bottom welding location-plate 23 of fixed block, the outer surface of the side welded still pipe column 30 of fixed block；It is multiple
Fixed block is in be spaced apart along the circumferencial direction of steel pipe column 30；Under the action of multiple fixed blocks, enhance the positioning of steel pipe column 30
Stability, meanwhile, the relatively fixed effect of enhancing steel pipe column 30 and locator 20.
Fixed block has bottom face and side end face, bottom face and the horizontal arrangement of positioning plate 23, side end face and bottom face
It is arranged vertically；Under the action of bottom face and side end face, increases the welding surface of fixed block and positioning plate 23 and steel pipe column 30, mention
The fixed effect of high fixed block.
In step (7), the fixation land 60 of the second gap formation is poured with a thickness of 40cm- using C40 pea gravel concreten
60cm；Under the action of fixed ring, the relatively fixed effect of enhancing steel pipe column 30 and locator 20.
Fixed land 60 guarantees the colleague of the relatively fixed effect of steel pipe column 30 and locator 20, avoids with a thickness of 50cm
Cause the waste of C40 pea gravel concreten.
Each fixed block is in the inside of fixed land 60；It avoids each fixed block exposed, guarantees the fixation of fixed block
Effect；In addition, fixed land 60 plays reinforcement effect to fixed block.
In step (5), the first clearance height about 20cm-40cm, and C60 ungauged regions microlith is poured using the mode that plugs and pounds and is mixed
Solidifying soil 50, under the action of C60 ungauged regions pea gravel concreten 50, enhancing locator 20 installs stability.
First clearance height is 30cm, C60 ungauged regions pea gravel concreten 50 pour with a thickness of 30cm, guarantee to position in this way
Device 20 installs stability, meanwhile, avoid the waste of C60 ungauged regions pea gravel concreten 50.
In 50 casting process of C60 ungauged regions pea gravel concreten, using mode is plugged and pounded, forbid to use the closely knit method of vibrating spear, with
After preventing grouting, lower adjusting nut 42 can not be adjusted.
The above is merely preferred embodiments of the present invention, be not intended to limit the invention, it is all in spirit of the invention and
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within principle.
Claims (10)
1. the construction method that the steel pipe column for contrary sequence method quickly positions, which comprises the following steps:
(1) artificial digging pile forms stake holes, and the stake holes carries out first time concreting, pours to away from design stake top absolute altitude
At 0.5m-1.5m, erecting bed is formed after concrete final set, cuts the top concrete of the erecting bed, manifests erecting bed steel
Muscle, artificial digging pile have pile body reinforcing bar；
(2) anchor bolt frame is hung in stake holes according to stake holes center；By the anchor bolt frame respectively with the erecting bed reinforcing bar
It is fixed with the pile body reinforcing bar；
(3) second of the concreting of stake holes, i.e. concrete casting at stake top 0.5m-1.5m are carried out；
(4) the anchor bolt frame includes multiple anchor bolt bars, and cushion cap is formed after the secondary concrete final set poured of pile body, multiple described
The top of anchor bolt bar extends to the top of the cushion cap upward, and the top of each anchor bolt bar is mounted on lower adjusting nut,
Each lower adjusting nut adjustment is to uniform level height；Locator is lifted on the anchor bolt frame, the locating apparatus
There is positioning plate, the lower end surface of the positioning plate contradicts each lower adjusting nut respectively, after adjustment locator is horizontal, institute
The upper surface for stating positioning plate, which is twisted, sets multiple upper adjusting nuts, and the upper adjusting nut and the lower adjusting nut clip are held described in fixation
Locator；
(5) there is the first gap, by the way of pressure grouting, the C60 that will mix and stir between the positioning plate and the cushion cap
Ungauged regions pea gravel concreten pours the first gap；
(6) importing frame is installed, there is the importing frame steel pipe column to hang in mouth, by steel pipe column from hanging at the top of artificial digging pile
Mouth lifts up into the importing frame, and steel pipe column is moved in the importing frame to be postponed with the locator in upper and lower face cloth, by steel
Movement is arranged the locator to tubing string downward；Check that the verticality of steel pipe column uses steel wire if there is the perpendicularity deviation of steel pipe column
Rope sling is drawn on steel pipe column top from orthogonal both direction, is adjusted to the verticality of steel pipe column；Steel pipe column with it is described
Positioning plate carries out relatively fixed connection by multiple fixed blocks；
(7) the second gap is formed between the outside and man-made digging pile mould-pipe of the lower part of steel pipe column, is poured using C40 pea gravel concreten
The second gap is built, fixed land is formed, the lower end of the fixed land contradicts the positioning plate；
(8) third space is formed between the outside and man-made digging pile mould-pipe of steel pipe column, third space is in the upper of fixed land
Side, third space are tamped using sand.
2. the construction method quickly positioned for the steel pipe column of contrary sequence method as described in claim 1, which is characterized in that in step
(2) in, after the anchor bolt frame is hung in the stake holes, anchor bolt frame is tuned into horizontal arrangement, then by anchor bolt frame respectively with peace
Dress platform reinforcing bar and pile body reinforcement welding are fixed, and check the position of anchor bolt frame again.
3. the construction method quickly positioned for the steel pipe column of contrary sequence method as claimed in claim 2, which is characterized in that the anchor
Stock includes multiple anchor poles and multiple anchor ring plates annular in shape, and multiple anchor poles are along the circumferential direction in around arranged for interval；
Along the depth direction of the stake holes, multiple anchor ring plates are spaced apart, and multiple anchor poles sequentially pass through multiple anchor rings respectively
Plate, the anchor ring plate and the anchor pole are relatively fixed.
4. the construction method quickly positioned for the steel pipe column of contrary sequence method as claimed in claim 3, which is characterized in that described fixed
Position device includes positioning floor；The positioning floor is fixed the top of the positioning plate and is disposed to extend upward；The positioning floor
With range is laterally occupied, along upwardly-directed, the transverse direction of the positioning floor occupies range and is gradually reduced under.
5. the construction method quickly positioned for the steel pipe column of contrary sequence method as claimed in claim 4, which is characterized in that described fixed
Position floor includes two floor bodies to intersect vertically in cross, and the both ends of the floor body are respectively equipped with reinforcing floor, described to add
Gu floor and the perpendicular arrangement of floor body.
6. the construction method quickly positioned for the steel pipe column of contrary sequence method as described in claim 1-5 any one, feature
It is, the top for importing frame and being installed in the stake holes；The importing frame have moving area and with the moving area
Connection and the inlet port entered for the steel pipe column, the moving area has stop, when the steel pipe column is in the movement
When region is moved to the stop, the steel pipe column and the locator are arranged in upper and lower face.
7. the construction method quickly positioned for the steel pipe column of contrary sequence method as described in claim 1-5 any one, feature
It is, the positioning plate is welded in the fixed block bottom, and the outer surface of the steel pipe column is welded in the side of the fixed block；It is multiple
The fixed block is in be spaced apart along the circumferencial direction of the steel pipe column.
8. the construction method quickly positioned for the steel pipe column of contrary sequence method as described in claim 1-5 any one, feature
It is, in step (7), the fixed land of the second gap formation is poured with a thickness of 40cm- using C40 pea gravel concreten
60cm。
9. the construction method quickly positioned for the steel pipe column of contrary sequence method as described in claim 1-5 any one, feature
It is, each fixed block is in the inside of the fixed land.
10. the construction method quickly positioned for the steel pipe column of contrary sequence method as described in claim 1-5 any one, feature
It is, in step (5), the first clearance height about 20cm-40cm, and C60 ungauged regions microlith is poured using mode is plugged and pounded
Concrete.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201810832851.0A CN109024608A (en) | 2018-07-26 | 2018-07-26 | The construction method that steel pipe column for contrary sequence method quickly positions |
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|---|---|---|---|
| CN201810832851.0A CN109024608A (en) | 2018-07-26 | 2018-07-26 | The construction method that steel pipe column for contrary sequence method quickly positions |
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| CN109024608A true CN109024608A (en) | 2018-12-18 |
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| CN201810832851.0A Pending CN109024608A (en) | 2018-07-26 | 2018-07-26 | The construction method that steel pipe column for contrary sequence method quickly positions |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111676993A (en) * | 2020-06-15 | 2020-09-18 | 银广厦集团有限公司 | Special construction method for constructing basement foundation by inserting steel structure |
| CN113833110A (en) * | 2021-09-14 | 2021-12-24 | 中建八局西南建设工程有限公司 | Arc-shaped flange cross column steel embedded part and construction method thereof |
| CN114776015A (en) * | 2022-06-01 | 2022-07-22 | 中国核工业第五建设有限公司 | Method for butting water inlet runner and metal ring |
| CN115434513A (en) * | 2022-09-29 | 2022-12-06 | 上海宝冶冶金工程有限公司 | Construction method for embedding anchor bolt |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111676993A (en) * | 2020-06-15 | 2020-09-18 | 银广厦集团有限公司 | Special construction method for constructing basement foundation by inserting steel structure |
| CN113833110A (en) * | 2021-09-14 | 2021-12-24 | 中建八局西南建设工程有限公司 | Arc-shaped flange cross column steel embedded part and construction method thereof |
| CN114776015A (en) * | 2022-06-01 | 2022-07-22 | 中国核工业第五建设有限公司 | Method for butting water inlet runner and metal ring |
| CN114776015B (en) * | 2022-06-01 | 2023-09-05 | 中国核工业第五建设有限公司 | Butt joint method of water inlet flow passage and metal ring |
| CN115434513A (en) * | 2022-09-29 | 2022-12-06 | 上海宝冶冶金工程有限公司 | Construction method for embedding anchor bolt |
| CN115434513B (en) * | 2022-09-29 | 2023-11-21 | 上海宝冶冶金工程有限公司 | Construction method for embedding anchor bolts |
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Application publication date: 20181218 |