CN104775564A - Unsupported installation method for bidirectional tilting great-section box latticed columns - Google Patents
Unsupported installation method for bidirectional tilting great-section box latticed columns Download PDFInfo
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- CN104775564A CN104775564A CN201510189941.9A CN201510189941A CN104775564A CN 104775564 A CN104775564 A CN 104775564A CN 201510189941 A CN201510189941 A CN 201510189941A CN 104775564 A CN104775564 A CN 104775564A
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Abstract
The invention discloses an installation method for bidirectional tilting great-section box latticed columns. By taking a structure as a reliably laced fixed attachment structure, two side tilting latticed columns are connected and fixed by using a latticed bracket in the structure, so that a stable triangular structure system is formed. By means of a computer simulation technology, the method disclosed by the invention solves the problem that bidirectional tilting great-section box latticed columns are difficult to install and position and the installation quality is not easy to guarantee. The method disclosed by the invention is strong in operability and high in safety, ensures the installation quality of bidirectional tilting great-section box latticed columns, enhances the installation efficiency of bidirectional tilting great-section box latticed columns, effectively shortens the construction period and saves the cost, and therefore, the method has good economic and social benefits.
Description
Technical field
The present invention relates to a kind of construction method of steel beam column, particularly box lattice column in inclined in two-way heavy in section is without supporting the construction method of installing.
Background technology
Along with the progress in epoch, the innovation of science and technology, what China's architectural design and construction industry were making rapid progress changes, various Unique building structure is in full flourish in China, building structure is day by day towards higher, larger future development, the development of steel work industry is no exception, constantly have build or the project planned to build refresh the record that steel building is the highest, steel using amount is maximum, this just cause as support system steel column cross section and highly day by day increase, form is day by day peculiar.
The conventional method that inclined in two-way heavy in section box lattice column is installed, what mainly adopt is the construction method that support system auxiliary subsection lifts.But along with the increase of lattice column height of lift, its underpart constantly increases for the support system height that supports and width.Therefore, conventional installation methods need adopt a large amount of temporary support material, takies floor area, may affect other professional construction or scene does not have unnecessary operational place at all.In addition, the work such as material purchases, transport, making, installation, dismounting of temporary support, the costs such as consumption is a large amount of manually, machinery, equipment, also there is larger security risk in installation and the making of support system.
Summary of the invention
Goal of the invention: the object of the invention is to solve the deficiencies in the prior art, there is provided that a kind of positioning precision is high, the mounting method of the inclined in two-way heavy in section box lattice column of " utilizing structure self as the fixing attaching structure of reliable drawknot; to be connected and fixed with the lattice support lattice column that to be tilted both sides, to form stability triangle structural system therein " that error is little.
Technical scheme: in order to realize above object, a kind of inclined in two-way heavy in section of the present invention box lattice column, it is characterized in that: comprising: lattice strutting system, , described lattice strutting system comprises bottom steel platform, vertical lattice falsework framework and horizontal drawknot lattice falsework, wherein, described bottom steel platform becomes II font by four I steel composites, described vertical lattice falsework framework by four vertical lattice column supports and between horizontal cross lattice column support form, described horizontal drawknot lattice falsework one end is attached to vertical lattice falsework framework, the other end is connected and fixed inclination lattice column.
A kind of inclined in two-way heavy in section of the present invention box lattice column is without support mounting method, and its Specific construction step is as follows:
(1), first according to inclined in two-way heavy in section box lattice column form of structure feature, in conjunction with lifting machine performance and the lifting operating mode of situ configuration, analyze installation on ground complexity, and record is carried out to the result analyzed;
(2), according to the above analysis with the data of record, lattice column is pressed highly division plane lifting elements, then calculate through sunykatuib analysis and determine segmentation position;
(3) carry out detailed technology to constructor to tell somebody what one's real intentions are, after the clear and definite specific works of personnel to be onstructed, start formally to construct;
(4) use subgrade case, i iron platform set up assembled moulding bed on ground, then strengthen connecting between subgrade case and platform by i iron, are formed and stablize jig frame platform;
(5) CAD software is adopted to gather space three-dimensional size and each node, the termination docking port central three-dimensional coordinate value of lattice column flat section, as the assembled control theory value of lattice column flat section by emulation technology;
(6) use total powerstation that each for segmentation node center, port center point location in jig frame platform, and are carried out mark;
(7) according to above-mentioned threedimensional model, center of gravity when location is installed in segmentation is found out, and in conjunction with segmental hoisting weight, the length of the specification of hanger when determining installing this segmentation, position and wire rope;
(8) four suspension centres and four wire rope are set, use main loop wheel machine that flat section is slowly hung moulding bed, in process, cut off a yard plate, remove the connection of segmentation and moulding bed;
(9) another secondary loop wheel machine is used to assist main loop wheel machine to stand up segmentation, stand up major-minor two loop wheel machines in process slowly to hook up, employing lifts form and makes segmentation gradually in upright state, hook removed by secondary loop wheel machine, on main loop wheel machine, other wire rope hangs over inside segmentation on suspension centre, makes main loop wheel machine two wire rope, two suspension centre lifting segmentations;
(10) main loop wheel machine slowly hooks up, disengaging ground, segmentation one end, uses tackle pulley and electric block adjustment rope capacity to regulate segmentation setting angle, hooks up and allow segmentation depart from ground after meeting the demands;
(11) main loop wheel machine continues to hook up and turns round, and after segmentation is winched to installation site, slowly off the hook makes segmentation lower end be about 50mm from docking port position, and off the hook slowly after adjustment segmentation setting angle, makes each docking port of segmentation and bottom fit like a glove;
(12) adopt total station survey segmentation centre spot suitable for reading, according to theoretical value adjustment split fix, check errorless rear employing tacking and fix, and upper and lower connection segment otic placode is installed firmly;
(13) the slow loose hook of loop wheel machine, checks Survey control point coordinates in loose hook process, guarantees that in loose hook process, segmentation is not subjected to displacement;
(14) use crawler crane lifting components on moulding bed, install according to locating mark points;
(15) after lattice column suspension column installs, use crawler crane that southwestern side plane segmentation is installed in advance, after utilizing docking port position central point to install location, according to plane symmetry principle, northwest side plane segmentation is installed;
(16) after two flat section installations, installation bottom steel platform girder steel gives drawknot and fixes, and in like manner installs residue two flat sections again;
(17) install until four flat sections, bottom steel platform drawknot fixing after, then row installs vertical lattice support frame and upper segment successively;
(18) in above-mentioned installation process, survey crew tracking measurement is located, major control docking port position central point;
(19), after location to be installed completes, take tacking mode to reinforce docking port weld seam, and with code plate welding reinforcement guarantee firmly, in the process, by Quality Inspector's follow-up investigations, after having welded, carry out UT detection, detect qualified after report;
(20) segmentation of symmetrical side is in like manner installed, the support and connection of horizontal drawknot lattice is installed afterwards and fixes both sides inclination lattice column flat section, make it to form stability triangle structural system.
Detailed technology described in the present invention is told somebody what one's real intentions are and is comprised: location measure, port point positioning precision, reinforcement of weld measure, tacking method and loop wheel machine pine hook program are installed in the adjustment of segmentation setting angle, segmentation.
Beneficial effect: a kind of inclined in two-way heavy in section of the present invention box lattice column compared with prior art has the following advantages without support mounting method:
A kind of inclined in two-way heavy in section of the present invention box lattice column is without support mounting method, it is by means of computer simulation technique, adopt " installation on ground piecemeal again high-altitude installs location "+" utilize structure self as the fixing attaching structure of reliable drawknot, be connected and fixed with lattice support both sides are tilted lattice column therein, form stability triangle structural system " method solve inclined in two-way heavy in section box lattice column to install location difficult, the problem that positioning precision is not high is installed, the method of the invention is workable, safety is high, ensure that the installation quality of inclined in two-way heavy in section box lattice column, improve the installation efficiency of the type inclined in two-way heavy in section box lattice column, effective reduction of erection time and cost-saving, there is good economic benefit and social benefit.
Accompanying drawing explanation
Fig. 1 is the structural representation in the present invention;
Fig. 2 is the heavy in section of inclined in two-way described in the present invention box lattice column lifting stepwise schematic views.
Detailed description of the invention
Below in conjunction with specific embodiment, illustrate the present invention further.
Embodiment
A kind of inclined in two-way heavy in section box lattice column as shown in Figure 1, comprise: lattice strutting system and subgrade case, described lattice strutting system comprises bottom steel platform 1, vertical lattice falsework framework 2, horizontal drawknot lattice falsework 3 and constant tilt lattice column 4 form, wherein, described bottom steel platform 1 becomes II font by four I steel composites, and its bottom steel platform 1 described in the process of installing is fixed by drawknot, described subgrade case and bottom steel platform 1 are set up in bottom surface, be assembled into moulding bed after, by i iron strengthen connect; Described vertical lattice falsework framework 2 by four vertical lattice column supports 5 and between horizontal cross lattice column support 6 form, on the horizontal drawknot lattice falsework that described vertical lattice column support 5 is all fixed on bottommost 3, described horizontal drawknot lattice falsework 3 one end is attached to vertical lattice falsework framework 2, and the other end is connected and fixed inclination lattice column 4.
A kind of inclined in two-way heavy in section box lattice column described in the present embodiment is without support mounting method, and its concrete high-altitude installation and locating method is as follows:
1. segmentation installation on ground
(1) use subgrade case and bottom steel platform 1 to set up the assembled moulding bed of flat section on ground, strengthen being connected with i iron between subgrade case with bottom steel platform 1, formed and stablize jig frame platform.
(2) adopt CAD software by emulation technology, recall each node center of segmentation, port center point three-dimensional coordinate, control according to value as segmented assembly theory
(3) use total powerstation that each for segmentation node center, port center point location in jig frame platform, and are carried out mark.
(4) use crawler crane lifting components on moulding bed, install according to locating mark points.
(5) check whether the projects such as alignment clearance, edges of boards are poor, catercorner length meet the requirements, and start welding, apply for checking and examination after having welded, acceptance(check) rear Liftable after qualified.
2. segmentation upper air installing
(1) according to each the segmentation position of centre of gravity gathered in CAD software, determine hanger welding position, hanger size and rope capacity, at segmentation relevant position welding hanger, configure wire rope.
(2) four suspension centres and four wire rope are set, use main loop wheel machine that flat section is slowly hung moulding bed, in process, cut off a yard plate, remove the connection of segmentation and moulding bed.
(3) another secondary loop wheel machine is used to assist main loop wheel machine to stand up segmentation, stand up major-minor two loop wheel machines in process slowly to hook up, employing lifts form and makes segmentation gradually in upright state, hook removed by secondary loop wheel machine, on main loop wheel machine, other wire rope hangs over inside segmentation on suspension centre, makes main loop wheel machine two wire rope, two suspension centre lifting segmentations.
(4) main loop wheel machine slowly hooks up, disengaging ground, segmentation one end, uses tackle pulley and electric block adjustment rope capacity to regulate segmentation setting angle, hooks up and allow segmentation depart from ground after meeting the demands.
(5) main loop wheel machine continues to hook up and turns round, and after segmentation is winched to installation site, slowly off the hook makes segmentation lower end be about 50mm from docking port position, and off the hook slowly after adjustment segmentation setting angle, makes each docking port of segmentation and bottom fit like a glove.
(6) adopt total station survey segmentation centre spot suitable for reading, according to theoretical value adjustment split fix, check errorless rear employing tacking and fix, and upper and lower connection segment otic placode is installed firmly.
(7) the slow loose hook of loop wheel machine, checks Survey control point coordinates in loose hook process, guarantees that in loose hook process, segmentation is not subjected to displacement.
(8) arrange welding personnel follow procedure to start welding to docking port weld seam, by Quality Inspector's follow-up investigations in process, after having welded, carry out UT detection, detect qualified after report.
3. horizontal drawknot lattice is installed support
After the lattice column flat section installation of symmetrical side, horizontal drawknot lattice is installed and supports 3, be connected and fixed both sides inclination lattice column 4 flat section, make it to form stability triangle structural system.
Above-described embodiment is only not used in for illustration of the present invention and limits the scope of the invention, and after having read the present invention, the amendment of those skilled in the art to the various equivalent form of value of the present invention all falls within the application's claims limited range.
Claims (3)
1. an inclined in two-way heavy in section box lattice column, it is characterized in that: comprising: lattice strutting system, described lattice strutting system comprises bottom steel platform, vertical lattice falsework framework and horizontal drawknot lattice falsework, wherein, described bottom steel platform becomes II font by four I steel composites, described vertical lattice falsework framework by four vertical lattice column supports and between horizontal cross lattice column support form, described horizontal drawknot lattice falsework one end is attached to vertical lattice falsework framework, and the other end is connected and fixed inclination lattice column.
2. a kind of inclined in two-way heavy in section according to claim 1 box lattice column is without support mounting method, it is characterized in that: its Specific construction step is as follows:
(1), first according to inclined in two-way heavy in section box lattice column form of structure feature, in conjunction with lifting machine performance and the lifting operating mode of situ configuration, analyze installation on ground complexity, and record is carried out to the result analyzed;
(2), according to the above analysis with the data of record, lattice column is pressed highly division plane lifting elements, then calculate through sunykatuib analysis and determine segmentation position;
(3) carry out detailed technology to constructor to tell somebody what one's real intentions are, after the clear and definite specific works of personnel to be onstructed, start formally to construct;
(4) use subgrade case, i iron platform set up assembled moulding bed on ground, then strengthen connecting between subgrade case and platform by i iron, are formed and stablize jig frame platform;
(5) CAD software is adopted to gather space three-dimensional size and each node, the termination docking port central three-dimensional coordinate value of lattice column flat section, as the assembled control theory value of lattice column flat section by emulation technology;
(6) use total powerstation that each for segmentation node center, port center point location in jig frame platform, and are carried out mark;
(7) according to above-mentioned threedimensional model, center of gravity when location is installed in segmentation is found out, and in conjunction with segmental hoisting weight, the length of the specification of hanger when determining installing this segmentation, position and wire rope;
(8) four suspension centres and four wire rope are set, use main loop wheel machine that flat section is slowly hung moulding bed, in process, cut off a yard plate, remove the connection of segmentation and moulding bed;
(9) another secondary loop wheel machine is used to assist main loop wheel machine to stand up segmentation, stand up major-minor two loop wheel machines in process slowly to hook up, employing lifts form and makes segmentation gradually in upright state, hook removed by secondary loop wheel machine, on main loop wheel machine, other wire rope hangs over inside segmentation on suspension centre, makes main loop wheel machine two wire rope, two suspension centre lifting segmentations;
(10) main loop wheel machine slowly hooks up, disengaging ground, segmentation one end, uses tackle pulley and electric block adjustment rope capacity to regulate segmentation setting angle, hooks up and allow segmentation depart from ground after meeting the demands;
(11) main loop wheel machine continues to hook up and turns round, and after segmentation is winched to installation site, slowly off the hook makes segmentation lower end be about 50mm from docking port position, and off the hook slowly after adjustment segmentation setting angle, makes each docking port of segmentation and bottom fit like a glove;
(12) adopt total station survey segmentation centre spot suitable for reading, according to theoretical value adjustment split fix, check errorless rear employing tacking and fix, and upper and lower connection segment otic placode is installed firmly;
(13) the slow loose hook of loop wheel machine, checks Survey control point coordinates in loose hook process, guarantees that in loose hook process, segmentation is not subjected to displacement;
(14) use crawler crane lifting components on moulding bed, install according to locating mark points;
(15) after lattice column suspension column installs, use crawler crane that southwestern side plane segmentation is installed in advance, after utilizing docking port position central point to install location, according to plane symmetry principle, northwest side plane segmentation is installed;
(16) after two flat section installations, installation bottom steel platform girder steel gives drawknot and fixes, and in like manner installs residue two flat sections again;
(17) install until four flat sections, bottom steel platform drawknot fixing after, then row installs vertical lattice support frame and upper segment successively;
(18) in above-mentioned installation process, survey crew tracking measurement is located, major control docking port position central point;
(19), after location to be installed completes, take tacking mode to reinforce docking port weld seam, and with code plate welding reinforcement guarantee firmly, in the process, by Quality Inspector's follow-up investigations, after having welded, carry out UT detection, detect qualified after report;
(20) segmentation of symmetrical side is in like manner installed, the support and connection of horizontal drawknot lattice is installed afterwards and fixes both sides inclination lattice column flat section, make it to form stability triangle structural system.
3. according to a kind of inclined in two-way heavy in section box lattice column described in claim 2 without support mounting method, it is characterized in that: described detailed technology is told somebody what one's real intentions are and comprised: location measure, port point positioning precision, reinforcement of weld measure, tacking method and loop wheel machine pine hook program are installed in the adjustment of segmentation setting angle, segmentation.
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Cited By (9)
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| CN107902613A (en) * | 2017-07-21 | 2018-04-13 | 南通振华重型装备制造有限公司 | One kind puts the turn of pipe winch and hoisting |
| CN108643584A (en) * | 2018-04-02 | 2018-10-12 | 中国十七冶集团有限公司 | A kind of construction method of the steel construction overlength overhanging crossbeam without support installation |
| CN108755442A (en) * | 2018-08-21 | 2018-11-06 | 中水电第十工程局（郑州）有限公司 | Guiding and positioning device for the installation of heavy steel member high-altitude |
| CN109138271A (en) * | 2018-09-30 | 2019-01-04 | 杭州江润科技有限公司 | The construction method of big section flush type stiffness suspension column |
| CN111691691A (en) * | 2020-06-09 | 2020-09-22 | 浙江东南网架股份有限公司 | Method for installing, measuring and positioning box body bending and twisting component and drum node |
| CN111809887A (en) * | 2020-07-06 | 2020-10-23 | 南通大学 | Multi-dimensional torsion structure support-free construction method |
| CN113047447A (en) * | 2021-05-17 | 2021-06-29 | 中建八局第四建设有限公司 | Split-level steel structure building semi-reverse construction method |
| CN113059291A (en) * | 2021-03-02 | 2021-07-02 | 上海建工（江苏）钢结构有限公司 | Manufacturing method of Y-shaped conversion column structure |
| CN114961286A (en) * | 2022-06-22 | 2022-08-30 | 中建八局第三建设有限公司 | Hoisting construction method for ultrahigh camber large-section K-shaped stiffened steel rib column |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107902613A (en) * | 2017-07-21 | 2018-04-13 | 南通振华重型装备制造有限公司 | One kind puts the turn of pipe winch and hoisting |
| CN108643584A (en) * | 2018-04-02 | 2018-10-12 | 中国十七冶集团有限公司 | A kind of construction method of the steel construction overlength overhanging crossbeam without support installation |
| CN108755442A (en) * | 2018-08-21 | 2018-11-06 | 中水电第十工程局（郑州）有限公司 | Guiding and positioning device for the installation of heavy steel member high-altitude |
| CN108755442B (en) * | 2018-08-21 | 2023-12-22 | 中电建十一局工程有限公司 | Guide and positioning device for high-altitude installation of large steel member |
| CN109138271A (en) * | 2018-09-30 | 2019-01-04 | 杭州江润科技有限公司 | The construction method of big section flush type stiffness suspension column |
| CN109138271B (en) * | 2018-09-30 | 2020-08-04 | 杭州江润科技有限公司 | Construction method of large-section embedded type stiff column base |
| CN111691691A (en) * | 2020-06-09 | 2020-09-22 | 浙江东南网架股份有限公司 | Method for installing, measuring and positioning box body bending and twisting component and drum node |
| CN111809887A (en) * | 2020-07-06 | 2020-10-23 | 南通大学 | Multi-dimensional torsion structure support-free construction method |
| CN113059291A (en) * | 2021-03-02 | 2021-07-02 | 上海建工（江苏）钢结构有限公司 | Manufacturing method of Y-shaped conversion column structure |
| CN113047447A (en) * | 2021-05-17 | 2021-06-29 | 中建八局第四建设有限公司 | Split-level steel structure building semi-reverse construction method |
| CN114961286A (en) * | 2022-06-22 | 2022-08-30 | 中建八局第三建设有限公司 | Hoisting construction method for ultrahigh camber large-section K-shaped stiffened steel rib column |
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