CN103806669A - Construction method for H-type steel stiff column with cross fracture surface - Google Patents
Construction method for H-type steel stiff column with cross fracture surface Download PDFInfo
- Publication number
- CN103806669A CN103806669A CN201310721667.6A CN201310721667A CN103806669A CN 103806669 A CN103806669 A CN 103806669A CN 201310721667 A CN201310721667 A CN 201310721667A CN 103806669 A CN103806669 A CN 103806669A
- Authority
- CN
- China
- Prior art keywords
- steel column
- column
- steel
- welding
- plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Landscapes
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention discloses a construction method for an H-type steel stiff column with a cross fracture surface. The construction method includes the steps of measuring and positioning, inspecting and checking before hoisting the H-type steel stiff column, hoisting the H-type steel stiff column in place, fixing the H-type steel stiff column temporarily, correcting the H-type steel stiff column, fixing the H-type steel stiff column, welding H-type steel stiff column and the like. The axis and perpendicularity of section steel column installation can be controlled accurately, structural construction is high in precision, construction quality is reliable, and the construction method is suitable for installation and construction of the H-type steel stiff columns with the cross fracture surfaces in a high-rise building, a super high-rise building, a long-span structure and a common structure.
Description
Technical field
The invention belongs to building field, particularly a kind of cross section H shape Steel Stiff Column construction method, is applicable to the installation of the cross section H shape Steel Stiff Column of highrise building, super highrise building and longspan structure and general structure.
Background technology
Along with the development of national economy, the emergence of high level, super highrise building, the height of single building building is more and more higher, as a kind of form cross section H shape Steel Stiff Column conventional in steel reinforced concrete (SRC) structure, have that supporting capacity is high, rigidity is large and the advantage such as anti-seismic performance is good, be applied to more and more longspan structure and highrise building and super highrise building.
Existing cross section H shape Steel Stiff Column is in installation process, and axis and verticality are wayward, and poor seismic behavior easily deforms, and may bring potential safety hazard.
Summary of the invention
In order to overcome above-mentioned defect of the prior art, the invention provides a kind of cross section H shape Steel Stiff Column construction method, axis and verticality that accurately control type steel column is installed, structure construction precision is high, and workmanship is reliable.
The present invention is by the following technical solutions:
Cross section H shape Steel Stiff Column construction method, is characterized in that, comprises the following steps:
(1) measurement and positioning: cross section H shape Steel Stiff Column is surveyed the cross axis of establishing and identify installed each steel column before installing to embedded part, the foundation that location and control installation parameter are installed as steel column;
(2) before steel column lifting, check, check: after finished product steel column is marched into the arena, check according to standard and drawing requirement, the deformation in appearance and size and the transportation of inspection steel column, carries out repair process to deformation place;
(3) steel column hoisted in position: with lifting appliance, the steel column vertical lifting of confirmation is extremely intended to the position of installation, and placed a circle φ 6mm reinforcing bar in steel column docking site, reserve adjustment space, facilitate follow-up steel column to proofread and correct and construct;
(4) steel column is temporary fixed: after steel column hoisted in position, surrounding otic placode clamps and use bolt temporary fixed with junction steel plate;
(5) steel column is proofreaied and correct: set up three transits at the axis direction of steel column, in steel column installation process, verticality and axis are measured, install until this steel column is proofreaied and correct;
A axis is proofreaied and correct: according to survey data, L shaped Plate Welding is fixed on the frange plate of lower nodal pattern steel column overgauge one side, drive torsion, mobile model steel column by squeeze into triangle gad between L shaped steel plate and frange plate, until the axial location of all directions all meets the requirements;
B rectify perpendicular: by screw top draw micro-adjuster two ends respectively spot welding be fixed on upper and lower nodal pattern steel column frange plate, according to survey data, draw micro-adjuster by adjusting rod rotary screw formula top, the verticality that regulation type steel column is drawn on top;
The horizontal absolute altitude of C steel column is proofreaied and correct: use level gauge to proofread and correct the end face of reinforced concrete column;
(6) steel column is fixed: steel column is proofreaied and correct complete, surrounding otic placode and junction plate spot welding is fixed, then fixed at frange plate inner side welding " U " shape steel plate; After fixing, remove the reserved φ 6mm reinforcing bar of seam crossing, and seam is cleaned out;
(7) steel column welding: the attachment weld of post and post, its web adopts V font groove horizontal position welding seam, and frange plate adopts the monolateral groove horizontal position welding seam of lining plank one side.
The present invention utilizes lever principle, and axis and the verticality of drawing micro-adjuster to install H shape Steel Stiff Column by gad and screw top are adjusted, and H shape Steel Stiff Column is installed and reach the requirement of design and construction standards of acceptance.
The present invention has the following advantages:
(1) accurately control type steel column is installed axis and verticality, structure construction precision is high, and workmanship is reliable.
(2) H shape Steel Stiff Column is simple in structure, is out of shape littlely, and welding quality is high, advantage easy to make.
(3) have advantages of steel work, anti-seismic performance is good, has given full play to steel (tension) properties of materials.
(4) installation is easy, construction safety, quick, and low to construction environment requirement, the aspect of can raising labour efficiency can reduce costs 153 yuan/ton.
(5) the present invention can be within the scope of lifting appliance crane capacity, adds each setting height(from bottom) of Steel for Large Steel Column, reduces number of times is installed, and accelerating construction progress, reduces operating expenses, and duration benefit is obvious.
The inventive method is applicable to the installation of the cross section H shape Steel Stiff Column of highrise building, super highrise building and longspan structure and general structure.
Accompanying drawing explanation
Fig. 1 is construction method flow chart of the present invention.
Fig. 2 is that steel column docking site reinforcing bar is placed schematic diagram.
Fig. 3 is the temporary fixed elevational schematic view of steel column.
Fig. 4 is the temporary fixed floor map of steel column.
Fig. 5 is that steel column axis is adjusted elevational schematic view.
Fig. 6 is that steel column axis is adjusted floor map.
Fig. 7 is that steel column verticality is adjusted elevational schematic view.
Fig. 8 is that steel column verticality is adjusted floor map.
Fig. 9 is the fixing schematic diagram of steel column.
The upper joint of Reference numeral: 1-cross steel column; Under 2-, save cross steel column; 3-otic placode; 4-junction plate; 5-frange plate; 6-U shape fixed head; 7-liner plate; 8-φ 6mm reinforcing bar; 9-L shape steel plate; 10-triangle gad; 11-bolt.
For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing, embodiment of the present invention is described in further detail.
The specific embodiment
As shown in Figure 1, be cross section H shape Steel Stiff Column construction method flow chart.Specifically comprise the following steps:
1, measurement and positioning: cross section H shape Steel Stiff Column is surveyed the cross axis of establishing and identify installed each steel column before installing to embedded part, the foundation that location and control installation parameter are installed as steel column;
(1) throwing of calculating control line data, embedded part control line is established
Calculate each embedded part locating template and axis relative position relation.For the first time after concrete casting complete and after fish tail and waterproof layer constructed, by transit, the control line of locating template is incident upon respectively to hole-expanding pile concrete casting complete face, bed course finished surface for the first time in civil engineering stake.After projection, the control line in this region is carried out to checking of spacing.
(2) Primary Location of flange
After six layers of steel mesh reinforcement of civil engineering have been constructed, according to two of each base position control gauzes, use the axial line control mark on locating template surface, location ring flat-plate is carried out to Primary Location, axis and absolute altitude accuracy are controlled within the scope of 2mm.
(3) mounting foot bolt
According to preliminary locating template position mounting foot bolt, when installation, note the finished product protection to civil engineering reinforced mesh, accomplish that locating template position do not move, is offset as far as possible, and stone bolt screw thread is protected.
(4) stone bolt is accurately located
According to the control line having projected, locate several the contents such as axial location, absolute altitude, levelness of ring flat-plate by adjusting and come axial location and the verticality of positioning stone bolt.Locate nut under ring flat-plate and adjust the bolt absolute altitude of lower margin by adjustment.Again meet stone bolt location situation, carry out permanent consolidation process after errorless.
(5) build guard observation in concrete process
In concrete casting process, carry out tracking and monitoring.
(6) suspension column crab-bolt embedding precision requires as following table.
(7) sample plate is checked
Measure one by one Bolt deviation with Bolt assembly model, model is inserted in Bolt, and the deviation on model between axis mark and axial line control line can reflect bolt deviation intuitively.When deviate is not more than column base plate pore radius value of magnification, pillar can be installed to tram.Also can in advance the hole on model be extended to column base plate aperture, model is inserted in bolt, translation model makes on model on axis mark and concrete basis the process of dead in line not be subject to bolt to stop and think qualified, otherwise should record the deviation situation of this point, before post lifting, deviate correction be pressed in column base plate hole.
2, before steel column lifting, check, check: after finished product steel column is marched into the arena, check according to standard and drawing requirement, the deformation in appearance and size and the transportation of inspection steel column, carries out repair process to deformation place.Before lifting, technician should check steel column model according to the position of intending lifting.
3, steel column hoisted in position: the position of with lifting appliance (as: tower crane etc.), the steel column vertical lifting of confirmation extremely being intended to installation, and place one in steel column docking site and enclose φ 6mm reinforcing bar 8, reserve and adjust space, facilitate follow-up steel column to proofread and correct construction.Docking site reinforcing bar is placed schematic diagram as shown in Figure 2.
4, steel column is temporary fixed: after steel column hoisted in position, clamp and use bolt 11 temporary fixed the surrounding otic placode 3 use junction steel plates 4 of upper joint cross steel column 1 and lower joint cross steel column 2, Fig. 3 is the temporary fixed elevational schematic view of steel column, and Fig. 4 is the temporary fixed floor map of steel column.Steel column is proofreaied and correct while installation, suitably unclamps as required part bolt, after correction, screws in time.
5, steel column is proofreaied and correct: set up three transits at the axis direction of steel column, in steel column installation process, verticality and axis are measured, install until this steel column is proofreaied and correct.
A axis is proofreaied and correct: Fig. 5 is that steel column axis is adjusted elevational schematic view.Fig. 6 is that steel column axis is adjusted floor map.According to survey data, L shaped steel plate 9 is fixedly welded on the frange plate 5 of lower nodal pattern steel column 2 overgauge one sides, drive torsion, mobile model steel column by squeeze into triangle gad 10 between L shaped steel plate 9 and frange plate 5, until the axial location of all directions all meets the requirements.
B rectify perpendicular: Fig. 7 is that steel column verticality is adjusted elevational schematic view, and Fig. 8 is that steel column verticality is adjusted floor map.By screw top draw micro-adjuster two ends respectively spot welding be fixed on upper and lower nodal pattern steel column frange plate, according to survey data, draw micro-adjuster by adjusting rod rotary screw formula top, the verticality that regulation type steel column is drawn on top.
The horizontal absolute altitude of C steel column is proofreaied and correct: use level gauge to proofread and correct the end face of reinforced concrete column, allowable variation 0 or-3mm, there is deviation adjustment.
6, steel column is fixed: as shown in Figure 9, steel column is proofreaied and correct complete, the surrounding otic placode of upper joint cross steel column 1, lower joint cross steel column 23 and junction plate 4 spot welding are fixed, more fixing at frange plate 5 inner side welding " U " shape steel plates 6; After fixing, remove the reserved φ 6mm reinforcing bar of seam crossing, and seam is cleaned out;
7, steel column welding.
(1) weld seam type
The attachment weld of cross column and post, its web adopts V font groove horizontal position welding seam, and frange plate adopts the monolateral groove horizontal position welding seam of lining plank one side, and weld seam is full penetration weld, and weldquality requires as one-level.Group to time adopt the upper lower connecting plate and the erection bolt that on post, are welded with in advance.
(2) welding method
Main manual electric arc welding and the two kinds of welding manners of CO2 Welding Machine of adopting of welding scene construction.Whole job site subregion carries out welding procedure, welding manner: take the mode of two people's balanced weldings, simultaneously by centre to both sides welding.
In technological process, first use bolt and junction plate that upper lower prop is fixed, postwelding detects district by district installation verticality minimizing accumulated error and creates conditions.
(3) welding
1) general provision
Steel column joint adopts CO2 gas shielded arc welding to weld, and before welding, should welding liner plate be set in inner side, joint, answers symmetrical welding when welding, and layering, gradation are by complete joint bevel sealing weld, reduce stress and distortion that welding produces as far as possible; Note collecting weather forecast data.Estimate that harsh weather is arrived, there is no definite assurance opposing, should abandon welding.When welding, the interlayer temperature between weld seam should be controlled between 85 ℃-110 ℃ all the time, and each welding point should disposable being soldered.Weld complete, answer butt welded seam to carry out visual inspection and be carried out in accordance with regulations ultrasonic testing/ ultrasonic examination detect, to guarantee welding quality.If weld seam snaps, get the jump on before harsh weather arriving, be at least soldered 1/3 of thickness of slab and can stop weldering;
2) crossed steel column welding
1. be first welded to 1/3 thickness of thickness of slab by two welders in the frange plate bilateral symmetry without clamping plate, change to other both sides and be welded to 1/3 of edge of a wing thickness of slab, remove web side clamping plate.
2. be then welded to 1/3 of thickness of slab by two welders in the bilateral symmetry of web.
3. born respectively the welding of two adjacent surfaces by two welders, a welder is soldered after one deck in one side again, turns immediately 90 degree and then welds another side, and another welder keeps symmetrical synchronous welding in the same manner in symmetrical side.So hocket, until complete welding.
4. after above step completes, respectively the vertical position welding between post-post mismatch place's web and frange plate has been met by two welders.
5. every two-layer between the joint of welding bead should mutually stagger, the welding bead joint of two welder's welding also will notice that every fault opens, per pass is soldered will remove welding slag and splash, will root out and grind off if any overlap, will note detecting interlayer temperature in welding process.
6. manual electric arc welding and carbon dioxide gas arc welding, wlding and equipment
A. welding rod should be dried in hyperthermia drying case, and hydrogen controlled electrode baking temperature is: welding rod is incubated 1.5 hours be heated to 350 ° C--400 ℃ in high-temperature cabinet after, then preserves cool to 110 ℃ in high temperature after; When use, from baking oven, take out and put into immediately the electrode dryer of 100--110 ℃, and must in 4 hours, be finished.Should be reentered in high temperature and can use after oven dry with remaining welding rod, welding rod drying number of times must not exceed twice, and weldering residue welding rod is as do not put back to immediately in electrode dryer, and preservation can be used after must again drying.
B. welding wire package should be intact, when causing welding wire to pollute or bending disorder, should partly discard if any breakage.
C. dioxide bottle should be inverted and after 24 hours, open valve water is drained and can be used, and when in bottle, gas high pressure is lower than 1mPn, should stop using.Before welding, the indication on gas gauge be to first check, gas flowmeter adjusting gas flow then inspected.
D. electric welding machine and voltage should be normal, and ground wire compresses firmly contact, and reliably, cable and soldering turret are without breakage, and wire-feed motor is wire feed evenly, and tracheae should or stop up without gas leakage.
(4) Welding Testing
1) weld appearance check
Q235 Series Steel structure is cooled to environment temperature at weld seam, and the low-alloy steel such as Q345 all need 100% appearance test of carrying out after weldering is finished 24 hours.Require the weld ripples of weld seam evenly smooth, surperficial flawless, pore, slag inclusion, incomplete fusion and degree of depth undercut, and the arc crater that has obvious overlap and do not fill up of getting along well.
2) nondestructive testing of weld seam
Weld seam completes visual inspection, confirms that presentation quality meets after standard, carries out by drawing ultrasonic testing/ ultrasonic examination nondestructive testing, and its standard is carried out " the manual ultrasonic method of detection of GB11345-89 steel weld seam and result classification " existing fixed inspection level.Or the credit rating standard of execution AWS.D1.1.To underproof weld seam, according to the position of excessive defect, after adopting the methods such as plane, excision, sand milling to remove, with the process repair welding identical with formal weld seam, same standard is veritified.
8, check, record
To the installation parameters such as the steel column verticality installing, axis, absolute altitude check, record, calculation type steel column installation deviation value, is adjusted while making, install at next nodal pattern steel column.
Claims (1)
1. cross section H shape Steel Stiff Column construction method, is characterized in that, comprises the following steps:
(1) measurement and positioning: cross section H shape Steel Stiff Column is surveyed the cross axis of establishing and identify installed each steel column before installing to embedded part, the foundation that location and control installation parameter are installed as steel column;
(2) before steel column lifting, check, check: after finished product steel column is marched into the arena, check according to standard and drawing requirement, the deformation in appearance and size and the transportation of inspection steel column, carries out repair process to deformation place;
(3) steel column hoisted in position: with lifting appliance, the steel column vertical lifting of confirmation is extremely intended to the position of installation, and placed a circle φ 6mm reinforcing bar in steel column docking site, reserve adjustment space, facilitate follow-up steel column to proofread and correct and construct;
(4) steel column is temporary fixed: after steel column hoisted in position, surrounding otic placode clamps and use bolt temporary fixed with junction steel plate;
(5) steel column is proofreaied and correct: set up three transits at the axis direction of steel column, in steel column installation process, verticality and axis are measured, install until this steel column is proofreaied and correct;
A axis is proofreaied and correct: according to survey data, L shaped Plate Welding is fixed on the frange plate of lower nodal pattern steel column overgauge one side, drive torsion, mobile model steel column by squeeze into triangle gad between L shaped steel plate and frange plate, until the axial location of all directions all meets the requirements;
B rectify perpendicular: by screw top draw micro-adjuster two ends respectively spot welding be fixed on upper and lower nodal pattern steel column frange plate, according to survey data, draw micro-adjuster by adjusting rod rotary screw formula top, the verticality that regulation type steel column is drawn on top;
The horizontal absolute altitude of C steel column is proofreaied and correct: use level gauge to proofread and correct the end face of reinforced concrete column;
(6) steel column is fixed: steel column is proofreaied and correct complete, surrounding otic placode and junction plate spot welding is fixed, then fixed at frange plate inner side welding " U " shape steel plate; After fixing, remove the reserved φ 6mm reinforcing bar of seam crossing, and seam is cleaned out;
(7) steel column welding: the attachment weld of post and post, its web adopts V font groove horizontal position welding seam, and frange plate adopts the monolateral groove horizontal position welding seam of lining plank one side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310721667.6A CN103806669A (en) | 2013-12-24 | 2013-12-24 | Construction method for H-type steel stiff column with cross fracture surface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310721667.6A CN103806669A (en) | 2013-12-24 | 2013-12-24 | Construction method for H-type steel stiff column with cross fracture surface |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103806669A true CN103806669A (en) | 2014-05-21 |
Family
ID=50704013
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310721667.6A Pending CN103806669A (en) | 2013-12-24 | 2013-12-24 | Construction method for H-type steel stiff column with cross fracture surface |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103806669A (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104018682A (en) * | 2014-06-19 | 2014-09-03 | 中国五冶集团有限公司 | Method based on implementation of splicing of steel reinforced column on construction site |
| CN104339092A (en) * | 2014-10-15 | 2015-02-11 | 中冶天工上海十三冶建设有限公司 | Double-groove suspension butt welding method for cross steel columns of super high-rise building |
| CN104453250A (en) * | 2014-10-28 | 2015-03-25 | 中国二十二冶集团有限公司 | Steel tube concrete column top-down construction method |
| CN105317167A (en) * | 2015-11-19 | 2016-02-10 | 山东大学 | Threaded-connection square steel pipe column and construction method |
| CN105569351A (en) * | 2015-12-20 | 2016-05-11 | 安徽伟宏钢结构集团股份有限公司 | Mounting construction technology of steel structure steel column |
| CN106150105A (en) * | 2015-03-26 | 2016-11-23 | 五冶集团上海有限公司 | A kind of stiffened column installation method |
| CN106869508A (en) * | 2017-03-02 | 2017-06-20 | 浙江中南建设集团钢结构有限公司 | A kind of assembled architecture steel box column rotates lifting and is welded and fixed mounting process in place |
| CN107938858A (en) * | 2017-12-19 | 2018-04-20 | 凉山州现代房屋建筑集成制造有限公司 | The anti-misalignment scene splicing node of Special-Shaped Column |
| CN109610641A (en) * | 2019-01-15 | 2019-04-12 | 中建七局安装工程有限公司 | A kind of quick splicing node and its construction method suitable for all types of steel columns |
| CN112502451A (en) * | 2020-11-06 | 2021-03-16 | 上海建工二建集团有限公司 | Device for preventing stiff column from connecting deviation |
| CN112681759A (en) * | 2020-12-25 | 2021-04-20 | 中铁十局集团有限公司 | Construction method of cross steel rib of stiff column |
| CN113585479A (en) * | 2021-08-06 | 2021-11-02 | 广东省构建工程建设有限公司 | Beam column structure for super-large span steel structure building and construction method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1155029A (en) * | 1996-10-07 | 1997-07-23 | 邓庚厚 | Top-lifting building method of building from upper to lower |
| JPH09209454A (en) * | 1996-02-02 | 1997-08-12 | Kajima Corp | Building construction |
| JP2000282691A (en) * | 1999-03-30 | 2000-10-10 | Sumitomo Heavy Ind Ltd | Construction method for mounting member on inner wall of high-rise, tower structure, and scaffold device |
| CN101818575A (en) * | 2010-02-10 | 2010-09-01 | 中国建筑第七工程局有限公司 | Construction technology of cross-shaped profile steel column |
| CN202299464U (en) * | 2012-02-16 | 2012-07-04 | 山东锦城钢结构有限责任公司 | Steel column rapid hoisting and in-position correcting device |
| CN102733545A (en) * | 2012-06-28 | 2012-10-17 | 广东中城建设集团有限公司 | Section steel column for high-rise building section steel concrete combination structure, and construction method thereof |
-
2013
- 2013-12-24 CN CN201310721667.6A patent/CN103806669A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09209454A (en) * | 1996-02-02 | 1997-08-12 | Kajima Corp | Building construction |
| CN1155029A (en) * | 1996-10-07 | 1997-07-23 | 邓庚厚 | Top-lifting building method of building from upper to lower |
| JP2000282691A (en) * | 1999-03-30 | 2000-10-10 | Sumitomo Heavy Ind Ltd | Construction method for mounting member on inner wall of high-rise, tower structure, and scaffold device |
| CN101818575A (en) * | 2010-02-10 | 2010-09-01 | 中国建筑第七工程局有限公司 | Construction technology of cross-shaped profile steel column |
| CN202299464U (en) * | 2012-02-16 | 2012-07-04 | 山东锦城钢结构有限责任公司 | Steel column rapid hoisting and in-position correcting device |
| CN102733545A (en) * | 2012-06-28 | 2012-10-17 | 广东中城建设集团有限公司 | Section steel column for high-rise building section steel concrete combination structure, and construction method thereof |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104018682A (en) * | 2014-06-19 | 2014-09-03 | 中国五冶集团有限公司 | Method based on implementation of splicing of steel reinforced column on construction site |
| CN104339092A (en) * | 2014-10-15 | 2015-02-11 | 中冶天工上海十三冶建设有限公司 | Double-groove suspension butt welding method for cross steel columns of super high-rise building |
| CN104453250A (en) * | 2014-10-28 | 2015-03-25 | 中国二十二冶集团有限公司 | Steel tube concrete column top-down construction method |
| CN106150105A (en) * | 2015-03-26 | 2016-11-23 | 五冶集团上海有限公司 | A kind of stiffened column installation method |
| CN105317167A (en) * | 2015-11-19 | 2016-02-10 | 山东大学 | Threaded-connection square steel pipe column and construction method |
| CN105569351A (en) * | 2015-12-20 | 2016-05-11 | 安徽伟宏钢结构集团股份有限公司 | Mounting construction technology of steel structure steel column |
| CN106869508A (en) * | 2017-03-02 | 2017-06-20 | 浙江中南建设集团钢结构有限公司 | A kind of assembled architecture steel box column rotates lifting and is welded and fixed mounting process in place |
| CN106869508B (en) * | 2017-03-02 | 2018-09-14 | 浙江中南建设集团钢结构有限公司 | A kind of rotation lifting of assembled architecture steel box column is welded and fixed mounting process in place |
| CN107938858A (en) * | 2017-12-19 | 2018-04-20 | 凉山州现代房屋建筑集成制造有限公司 | The anti-misalignment scene splicing node of Special-Shaped Column |
| CN107938858B (en) * | 2017-12-19 | 2023-10-20 | 凉山州现代房屋建筑集成制造有限公司 | On-spot concatenation node of dysmorphism post mistake proofing limit |
| CN109610641A (en) * | 2019-01-15 | 2019-04-12 | 中建七局安装工程有限公司 | A kind of quick splicing node and its construction method suitable for all types of steel columns |
| CN109610641B (en) * | 2019-01-15 | 2023-08-25 | 中建七局安装工程有限公司 | Quick splicing node suitable for various types of steel columns and construction method thereof |
| CN112502451A (en) * | 2020-11-06 | 2021-03-16 | 上海建工二建集团有限公司 | Device for preventing stiff column from connecting deviation |
| CN112681759A (en) * | 2020-12-25 | 2021-04-20 | 中铁十局集团有限公司 | Construction method of cross steel rib of stiff column |
| CN113585479A (en) * | 2021-08-06 | 2021-11-02 | 广东省构建工程建设有限公司 | Beam column structure for super-large span steel structure building and construction method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103806669A (en) | Construction method for H-type steel stiff column with cross fracture surface | |
| CN101956457B (en) | Method for constructing rectangular steel pipe concrete column | |
| CN101967886B (en) | Assembly and installation methods of steel containment vessel of nuclear power station | |
| WO2017121315A1 (en) | Construction method for building truss and floor slab | |
| CN101691787B (en) | Converse construction process for middle-high steel structure building | |
| CN104763156B (en) | Assembling method of steel safety housing bottom seal head of nuclear power plant | |
| CN105649332A (en) | Building beam and slab construction method | |
| CN103806660A (en) | Stiff concrete structure beam-column node construction method | |
| CN103321296A (en) | Annular double-layer truss and manufacture method thereof | |
| CN103526954B (en) | Support for overweight precision embedded part and construction method thereof | |
| CN105401732A (en) | Assembling method of large steel structure module of nuclear power plant | |
| CN111561048A (en) | Method for mounting high-altitude hoisting type steel beam and beam column node | |
| CN114439249B (en) | Construction method for lifting large-span triangular truss through air swivel | |
| CN109457965B (en) | High-efficiency installation method and device of precast concrete wall panel | |
| CN111250833A (en) | Bridge position welding method for assembling steel box girder segments | |
| CN203405446U (en) | Scanning device for ultrasonic phased array inspection of fillet weld of steel box girder U rib | |
| CN114165099B (en) | Modularized construction method of large tower | |
| CN112144408A (en) | Construction method for building assembled trestle | |
| CN202099719U (en) | Steel truss bridge | |
| CN203066095U (en) | Assembled single-wall steel hanging box | |
| CN103495793A (en) | Improved construction method for hoisting and welding large-tonnage cast steel component complex joints | |
| CN105803154B (en) | Make steel oxygen rifle and fix set of rails assembly/installation method | |
| CN111706778B (en) | Construction method of dry type gas holder | |
| CN206034275U (en) | Steel anchor case | |
| CN105714935B (en) | AP1000 superposed type dome spelling technique |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140521 |