CN108385987A - The construction method of installation of thin and long shafts steel column and its matching used steel sleeve - Google Patents
The construction method of installation of thin and long shafts steel column and its matching used steel sleeve Download PDFInfo
- Publication number
- CN108385987A CN108385987A CN201810135259.5A CN201810135259A CN108385987A CN 108385987 A CN108385987 A CN 108385987A CN 201810135259 A CN201810135259 A CN 201810135259A CN 108385987 A CN108385987 A CN 108385987A
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- steel
- steel sleeve
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- steel column
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
- E04G21/16—Tools or apparatus
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
- Joining Of Building Structures In Genera (AREA)
Abstract
A kind of construction method of installation of thin and long shafts steel column and its matching used steel sleeve, by installing one layer of steel sleeve in advance, steel sleeve inner concrete is poured to the tabula plate face for positioning steel column height mark, from steel sleeve side preformed hole cleaning diaphragm plate top concrete, shear wall concrete on the outside of steel sleeve is poured again, after concrete reaches some strength, thin and long shafts steel column insertion steel sleeve is subjected to installation fixation.It is after measuring correction, steel column and steel sleeve welding is integral.The present invention is a kind of easy to operate, and securely and reliably, cost is relatively small, and the construction method being fixed temporarily is installed suitable for overweight, overlength thin and long shafts steel column.
Description
Technical field
The present invention relates to a kind of construction methods of installation of steel column, are applied more particularly to a kind of installation of thin and long shafts steel column
Work method and its matching used steel sleeve.
Background technology
Head section steel column installation positioning, sets cable wind rope frequently with pedestal anchor bolt, support jig, drawing or takes bearing diagonal and fix.It is super
Thin and long shafts steel column is installed in high-rise Core Walls Structure shear wall, because of the narrow influence of shear wall's thickness and operating space, column base plate ruler
It is very little to be restricted, and be inconvenient to set up support jig, cable wind rope can not be set in four direction drawing or take bearing diagonal.How limited
Execution conditions under, quickly and safely install elongate axis class steel column be a problem.
Invention content
Technical problem to be solved by the invention is to provide a kind of easy to operate, securely and reliably, cost is relatively small, is applicable in
In the construction method of installation of the thin and long shafts steel column that the installation of overweight, overlength thin and long shafts steel column is fixed temporarily and its matching used
Steel sleeve.
In order to solve the above technical problem, the present invention provides a kind of construction methods of installation of thin and long shafts steel column, including steel
The outer diameter size of casing, the steel bushing bore and steel column matches so that after the steel column is inserted into steel sleeve outside steel column
Wall is no more than 5mm with steel bushing tube spacing, is set on the diaphragm plate equipped with positioning steel column height mark, the diaphragm plate in the steel sleeve
There are the preformed hole convenient for concreting, the steel bushing bottom of the tube to be fixed with bottom plate, the bottom is equipped with convenient and suspension column anchor
The multiple pedestal anchor bolt holes connect are tethered, concrete construction method is as follows：
A, then n-2 story shears wall reinforcing bar, template construction position steel sleeve, by pedestal anchor bolt according to steel column installation site
The position arranged according to the pedestal anchor bolt hole of steel bushing bottom of the tube is embedded on the steel reinforcement cage where n-1 layers；
B, n-2 story shears wall concrete placings, then lift steel sleeve, and the pedestal anchor bolt hole on steel sleeve is directed at pedestal anchor bolt
It implements, then steel sleeve is fixed on pedestal anchor bolt by nut；
C, n-1 story shears wall reinforcing bar, template, concrete construction, while steel sleeve inner concrete is poured to tabula Board position；
D, above lifting steel column to steel sleeve, steel column is inserted into steel sleeve, after the completion of measuring correction, by column bottom and steel
Casing firm welding.
The present invention by installing a steel sleeve in advance, then by the mode of thin and long shafts steel column insertion steel sleeve install admittedly
It is fixed, the fixed problem of thin and long shafts steel column installation has been well solved, the present invention is easy to operate, and securely and reliably, cost is relatively small,
The construction method being fixed temporarily is installed suitable for overweight, overlength thin and long shafts steel column.
In the step a, before pedestal anchor bolt is pre-buried, construction personnel passes through total powerstation measuring pedestal anchor bolt locating shaft first
Line is checked spacing with standard steel ruler, with spirit level measuring absolute altitude, and is marked on steel reinforcement cage, in pedestal anchor bolt locating ring
On plate identify cross axle line, installation positioning ring flat-plate, positioning ring flat-plate positioning, it is levelling after, will positioning ring flat-plate fixed with steel reinforcement cage spot welding,
After pedestal anchor bolt plan-position, verticality, level measurement are errorless, pedestal anchor bolt is fixed by bar dowel and steel reinforcement cage spot welding.
In the step b, before steel sleeve lifting, the dregs on steel sleeve is first removed to clean, side when steel sleeve lifts by crane
Hook, side pivoted arm keep steel column vertically liftoff, and steel sleeve is lifted to above pedestal anchor bolt at 200mm, is shut down and is stablized, and suspension column anchor is directed at
Keyhole slowly falls, slowly implements, and buckles well nut, tightens cable wind rope.
In the step d, when steel column lifts by crane, assist lifting using other lifting equipments, level hooks up, complete in the air by
Conversion of the horizontality to vertical state, after steel column is converted to vertical state and stablizes, the steel wire rope of dismounting auxiliary hanging device,
Promotion is started again at, steel column is lifted to above steel sleeve at 200mm, shuts down and stablize, adjusts steel column bracket direction, make steel shaft
Line coarse alignment slowly falls, and is inserted into steel sleeve, measures correction and completes, by column bottom and steel sleeve firm welding.
In the step d, tower crane pine hooks after oblique temporary support rod piece is installed between the adjacent steel column.
A kind of matching used steel sleeve of installation of thin and long shafts steel column, the steel bushing bore and thin and long shafts steel
The outer diameter size of column matches, after the thin and long shafts steel column is inserted into steel sleeve, thin and long shafts steel column outer wall and steel sleeve
Spacing is no more than 5mm, is equipped in the diaphragm plate equipped with positioning thin and long shafts steel column height mark, the diaphragm plate in the steel sleeve
Convenient for the preformed hole of concreting, the steel bushing bottom of the tube is fixed with bottom plate, and the bottom is equipped with convenient and pedestal anchor bolt
Multiple pedestal anchor bolt holes of connection.
The bottom of the steel sleeve is equipped with the convenient cleaning eye to pouring rear concrete cleaning in steel sleeve.
Setting vertically takes gusset and peg on the outside of the steel sleeve.
Detachable supporting block is equipped in the steel sleeve, the diaphragm plate is fixed in the supporting block.Steel sleeve
Detachable supporting block is arranged in inside, so as to adjust the position of diaphragm plate as needed, for limiting positioning steel column mark
Height simplifies the difficulty of overlength steel column height mark measurement, improves positioning accuracy.
Using above-mentioned technical proposal, when successfully solving overweight installation, overlength steel column, meter cannot be satisfied using pedestal anchor bolt
It calculates and requires, and because Core Walls Structure narrow space inconvenience using shear wall externally reinforced measure is fixed temporarily problem, the present invention passes through
Pre-buried one layer of steel sleeve in advance, the mode that thin and long shafts steel column is inserted into steel sleeve carry out installation fixation.After measuring correction, steel column
It is integral with steel sleeve welding, the stability of structure is increased, securely and reliably, for thin and long shafts steel in Super High Core Walls Structure from now on
Column installs fixed construction technology and provides solution, and application of the invention can generate huge economic and social benefit,
There is good application prospect in the construction of Super High core tube steel Structural Engineering.
In conclusion the present invention is a kind of easy to operate, securely and reliably, cost is relatively small, suitable for overweight, overlength is thin
Long axis class steel column installs the construction method being fixed temporarily.
Description of the drawings
Fig. 1 is present invention process flow chart.
Specific implementation mode
Construction method of installation and its matching used steel sleeve with reference to specific implementation example to thin and long shafts steel column
It is further described.
Present invention process flow is as shown in Figure 1.
Specific construction method is as follows：
1, the design of steel sleeve：
The outer diameter size of the steel bushing bore and thin and long shafts steel column matches, and the thin and long shafts steel column is inserted into steel
After in casing, thin and long shafts steel column outer wall is no more than 5mm with steel bushing tube spacing, and the steel sleeve is interior equipped with positioning thin and long shafts
The diaphragm plate of steel column height mark, the diaphragm plate are equipped with the preformed hole convenient for concreting, and the steel bushing bottom of the tube is fixed with
Bottom plate, the bottom are equipped with the convenient multiple pedestal anchor bolt holes being connect with pedestal anchor bolt.The bottom of the steel sleeve is equipped with side
Just the cleaning eye cleared up pouring rear concrete in steel sleeve.Detachable supporting block, the cross are equipped in the steel sleeve
Partition board is fixed in the supporting block.Detachable supporting block is set inside steel sleeve, so as to adjust cross as needed
The position of partition board simplifies the difficulty of overlength steel column height mark measurement, improves accurate positioning for limiting positioning steel column height mark
Degree.
Steel sleeve is divided into upper and lower part by diaphragm plate, and top is fixed for the insertion of thin and long shafts steel column, and lower part is used for
Increase anchorage length in Transducers Embedded in Concrete in advance, steel sleeve elevation of bottom is preferably arranged in floor elevation location, and upper and lower two parts are long
Degree must be subject to result of calculation.Diaphragm plate elevation location is generally thin and long shafts steel column column bottom absolute altitude or less 10mm, steel sleeve
Internal diameter compared with the thin and long shafts big 10mm of steel column outer diameter, convenient for adjusting the plan-position of thin and long shafts steel column, wall thickness is to calculate knot
Subject to fruit, steel bushing bottom of the tube designs column base plate, and when installation is fixed using pedestal anchor bolt.On the outside of steel sleeve setting vertically take gusset,
Peg, for connecting shear wall horizontal reinforcement, and the globality of increase structure.
2, steel sleeve pedestal anchor bolt is pre-buried：
Before pedestal anchor bolt is pre-buried, construction personnel should conscientiously check axial location, absolute altitude according to construction drawing, using total powerstation
Measuring pedestal anchor bolt orientation axis checks spacing with standard steel ruler, with spirit level measuring absolute altitude, and carries out mark on steel reinforcement cage
Note knows cross axis, installation positioning ring flat-plate in positioning ring flat-plate subscript.Ring flat-plate positioning, it is levelling after, fixed with steel reinforcement cage spot welding, pacify
Pedestal anchor bolt is filled, after pedestal anchor bolt plan-position, verticality, level measurement are errorless, is fixed using bar dowel and steel reinforcement cage spot welding,
Pedestal anchor bolt is after supervisor's acceptance(check), the coating butter on pedestal anchor bolt screw thread, and the processing of blend compounds band package prevents column
Foot anchor bolt screw thread is contaminated and working face is transferred civil engineering casting concrete by damage, the pre-buried completion of pedestal anchor bolt.Concreting
In the process, special messenger's nurse is arranged, forbids pump concrete directly to impact pedestal anchor bolt, to pedestal anchor bolt position before concrete final set
It measures again, such as finds pedestal anchor bolt change in location, the position of pedestal anchor bolt, until reaching requirement, concrete should be finely tuned
After solidification, record is measured to pedestal anchor bolt position.
3, steel sleeve is installed：
Before lifting, the dregs on steel sleeve is removed clean, emphasis is needed to check column bottom surface, pedestal anchor bolt hole, in steel sleeve
Wall.Get out the small instruments and tools such as steel cat ladder, catching device, cable rope, kit, when steel sleeve lifts by crane must while hook up, while pivoted arm
Keep steel column vertically liftoff, the bottom end of column must not be made to have dilatory phenomenon, steel sleeve to be lifted to 200mm above pedestal anchor bolt on the ground
Place shuts down and stablizes, and is directed at suspension column anchor hole, slowly falls, slowly implement, buckles well nut, tightens cable wind rope, and steel sleeve measures school
Just, next procedure construction is transferred after acceptance(check).Steel sleeve inner concrete is poured to tabula Board position.
4. thin and long shafts steel column is installed：
When thin and long shafts steel column lifts by crane, assist lifting using other lifting equipments, level is hooked up, completed in the air by level
Conversion of the state to vertical state must not have dilatory phenomenon, steel column to be converted to vertical state on ground, after waiting steel columns to stablize, tear open
The steel wire rope for unloading auxiliary hanging device, starts again at promotion, is lifted to above steel sleeve at 200mm, shuts down and stablize.Adjust steel column
Bracket direction makes steel column axis coarse alignment, slowly falls, and is inserted into steel sleeve, measures correction and completes, column bottom and steel sleeve are welded
It connects securely, oblique temporary support rod piece is installed between steel column and adjacent steel column, tower crane pine hooks.
The quality control of thin and long shafts steel column construction method of installation：
1. thin and long shafts steel column, since slenderness ratio is larger, processing, transportational process are also easy to produce deformation, to scantling after marching into the arena
It is checked.Emphasis checks the overall dimensions such as flexural deformation, torsional deflection, the bracket angle of component, the problem larger to deviation
It must be rectified and improved in place on ground.
2. steel sleeve pedestal anchor bolt installation accuracy is affected to the plan-position of subsequent installation component, pedestal anchor bolt peace
Dress, concreting process must have special messenger's tracking, find deviation, correct in time.
3. the verticality of steel sleeve influences the installation accuracy of thin and long shafts steel column very big, component after processing is completed, need to be
Factory carries out preassembling；After installation is complete, reinforcement measure is taken to fix, pump concrete, which must not pour, directly impacts steel sleeve,
Minimize the displacement of steel sleeve, it is ensured that the verticality of steel sleeve is met the requirements.
4. the absolute altitude of steel sleeve is advisable with minus deviation, thin and long shafts steel column height mark is using Gang Wedged adjustment.
5. according to qualification of welding procedure parameter, the negative direction deviation of adjustment thin and long shafts steel column installation, it is ensured that steel column is installed
Plan-position after molding and verticality.
Above-mentioned is the preferred embodiment of the present invention, but those skilled in the art should be understood that appended by not departing from
In the spirit and scope of the present invention defined by claims, the various changes in form and details to made by the present invention
Change, belongs to protection scope of the present invention.
Claims (9)
1. a kind of construction method of installation of thin and long shafts steel column, it is characterised in that：Including steel sleeve, the steel bushing bore and steel
The outer diameter size of column matches so that and steel column outer wall is no more than 5mm with steel bushing tube spacing after the steel column is inserted into steel sleeve,
It is equipped with convenient for the reserved of concreting in the diaphragm plate equipped with positioning steel column height mark, the diaphragm plate in the steel sleeve
Hole, the steel bushing bottom of the tube are fixed with bottom plate, and the bottom is equipped with the convenient multiple pedestal anchor bolt holes being connect with pedestal anchor bolt,
Concrete construction method is as follows：
A, n-2 story shears wall reinforcing bar, template construction, then according to steel column installation site position steel sleeve, by pedestal anchor bolt according to
The position of the pedestal anchor bolt hole arrangement of steel bushing bottom of the tube is embedded on the steel reinforcement cage where n-1 layers；
B, n-2 story shears wall concrete placings, then lift steel sleeve, and the pedestal anchor bolt hole alignment pedestal anchor bolt on steel sleeve is fallen
It is real, then steel sleeve is fixed on pedestal anchor bolt by nut；
C, n-1 story shears wall reinforcing bar, template, concrete construction, while steel sleeve inner concrete is poured to tabula Board position, is passed through
Preformed hole clears up diaphragm plate top concrete；
D, above lifting steel column to steel sleeve, steel column is inserted into steel sleeve, after the completion of measuring correction, by column bottom and steel sleeve
Firm welding.
2. the construction method of installation of thin and long shafts steel column according to claim 1, it is characterised in that：In the step a,
Before pedestal anchor bolt is pre-buried, construction personnel checks spacing first by total powerstation measuring pedestal anchor bolt orientation axis with standard steel ruler,
It with spirit level measuring absolute altitude, and is marked on steel reinforcement cage, knows cross axis in pedestal anchor bolt positioning ring flat-plate subscript, installation is fixed
Position ring flat-plate, positioning ring flat-plate positioning, it is levelling after, will positioning ring flat-plate fixed with steel reinforcement cage spot welding, pedestal anchor bolt plan-position, vertically
After degree, level measurement are errorless, pedestal anchor bolt is fixed by bar dowel and steel reinforcement cage spot welding.
3. the construction method of installation of thin and long shafts steel column according to claim 1, it is characterised in that：In the step b, steel
Before casing lifting, first the dregs on steel sleeve is removed it is clean, when steel sleeve lifts by crane while hook up, while pivoted arm make steel column vertically from
Ground, steel sleeve are lifted to above pedestal anchor bolt at 200mm, shut down and stablize, and are directed at suspension column anchor hole, slowly fall, slowly implement,
Nut is buckled well, cable wind rope is tightened.
4. the construction method of installation of thin and long shafts steel column according to claim 1, it is characterised in that：In the step d, steel
It when column lifts by crane, assists lifting using other lifting equipments, level hooks up, and completes to turn from horizontality to vertical state in the air
It changes, after steel column is converted to vertical state and stablizes, the steel wire rope of dismounting auxiliary hanging device starts again at promotion, steel column lifting
It above to steel sleeve at 200mm, shuts down and stablizes, adjust steel column bracket direction, make steel column axis coarse alignment, slowly fall, be inserted into
In steel sleeve, measures correction and complete, by column bottom and steel sleeve firm welding.
5. the construction method of installation of the thin and long shafts steel column according to one of Claims 1-4, it is characterised in that：The step
In rapid d, tower crane pine hooks after oblique temporary support rod piece is installed between the adjacent steel column.
6. a kind of matching used steel sleeve of installation of thin and long shafts steel column, it is characterised in that：The steel bushing bore with
The outer diameter size of thin and long shafts steel column matches, after the thin and long shafts steel column is inserted into steel sleeve, outside thin and long shafts steel column
Wall is no more than 5mm with steel bushing tube spacing, and the steel sleeve is interior in the diaphragm plate equipped with positioning thin and long shafts steel column height mark, the cross
Partition board is equipped with the preformed hole convenient for concreting, and the steel bushing bottom of the tube is fixed with bottom plate, and the bottom is equipped with convenient
The multiple pedestal anchor bolt holes being connect with pedestal anchor bolt.
7. the matching used steel sleeve of installation of thin and long shafts steel column according to claim 6, it is characterised in that：Institute
The bottom for stating steel sleeve is equipped with the convenient cleaning eye to pouring rear concrete cleaning in steel sleeve.
8. the matching used steel sleeve of installation of the thin and long shafts steel column described according to claim 6 or 7, feature exist
In：Setting vertically takes gusset and peg on the outside of the steel sleeve.
9. the matching used steel sleeve of installation of thin and long shafts steel column according to claim 8, it is characterised in that：Institute
It states and is equipped with detachable supporting block in steel sleeve, the diaphragm plate is fixed in the supporting block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810135259.5A CN108385987A (en) | 2018-02-09 | 2018-02-09 | The construction method of installation of thin and long shafts steel column and its matching used steel sleeve |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810135259.5A CN108385987A (en) | 2018-02-09 | 2018-02-09 | The construction method of installation of thin and long shafts steel column and its matching used steel sleeve |
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| CN108385987A true CN108385987A (en) | 2018-08-10 |
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| CN201810135259.5A Pending CN108385987A (en) | 2018-02-09 | 2018-02-09 | The construction method of installation of thin and long shafts steel column and its matching used steel sleeve |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111424950A (en) * | 2020-04-01 | 2020-07-17 | 天津市建设工程监理公司 | Steel column hoisting device, steel column hoisting construction method and supervision method thereof |
| CN114961260A (en) * | 2022-06-30 | 2022-08-30 | 中冶建工集团有限公司 | Construction method for positioning stressed steel beam on steel frame bearing platform |
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2018
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| JPH0893231A (en) * | 1994-09-26 | 1996-04-09 | Penta Ocean Constr Co Ltd | Pillar erection method of structure and device therefor |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111424950A (en) * | 2020-04-01 | 2020-07-17 | 天津市建设工程监理公司 | Steel column hoisting device, steel column hoisting construction method and supervision method thereof |
| CN114961260A (en) * | 2022-06-30 | 2022-08-30 | 中冶建工集团有限公司 | Construction method for positioning stressed steel beam on steel frame bearing platform |
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Application publication date: 20180810 |