CN103161350A - Large span heavy steel structure mast hoisting construction method - Google Patents
Large span heavy steel structure mast hoisting construction method Download PDFInfo
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- CN103161350A CN103161350A CN2013100875776A CN201310087577A CN103161350A CN 103161350 A CN103161350 A CN 103161350A CN 2013100875776 A CN2013100875776 A CN 2013100875776A CN 201310087577 A CN201310087577 A CN 201310087577A CN 103161350 A CN103161350 A CN 103161350A
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Abstract
The invention discloses a large span heavy steel structure mast hoisting construction method which comprises the steps of transporting a steel column horizontally in a field, assembling the steel column in a hanging mode through a mast, splicing a steel truss in-field, assembling the steel truss in the hanging mode through the mast and the like. The large span heavy steel structure mast hoisting construction method enables construction to be convenient and is safe, good in effect and high in efficiency.
Description
Technical field
The present invention relates to a kind of long-span heavy type steel work mast construction method for hanging.
Background technology
Existing long-span heavy type steel work mast lifting construction, method is complicated, has defective at aspects such as efficiency of construction, safety, construction effects, needs further to improve.
Summary of the invention
The object of the present invention is to provide a kind of easy construction, safe, effective long-span heavy type steel work mast lifting construction.
Technical solution of the present invention is:
A kind of long-span heavy type steel work mast construction method for hanging is characterized in that: comprise the following steps:
(1) steel column is installed
(1) horizontal transport in the steel column field
The steel column member unload at the scene after below member the cushioning sleeper, be convenient to arrange raft-towing and cylinder; Cylinder rolls on the transmission moulding bed beam of H shaped steel, and the fulcrum of H shaped steel adds plank or sleeper between girder steel and concrete layer on the concrete beam;
Member adopts when carrying out horizontal drag fortune on transmitting moulding bed and moves at a slow speed, and speed is no more than 6m per minute; Between member and raft-towing, pad is set level whole;
(2) mast lifting steel column
Adopt gantry gin pole lifting of the two group of high 30m, portal frame center to center distance 5.5m, mast cross section 1.0m * 1.0m, main zeugopodium 4-∠ 90 * 90 * 6mm, web member ∠ 63 * 63 * 6mm, pitch 1.0m*30; Hoisting sheave adopts H32-5D * 2 group, and it is 6 * 37+1 Ф 19.5mm that hoist rope adopts specification, length 300m * 2 piece; The starting hoist engine adopts the electronic hoist engine of 5t at a slow speed, and lifting velocity 4m/ divides; The guy wire rope is no less than 6, and specification is 6*37+1 Ф 19.5mm, length 60m/ root; Before steel column lifting, with Current Collector Sleave, operating platform, cat ladder, slip rope and catching device and be fixed on steel column, the otic placode that welds with the steel column upper end lifts by crane;
The installation of mast adopts 50t vapour to lift up into the row lifting, the long 42m of the arm that 50t vapour hangs, and the height of mast is 30m, and deadweight 4.5t, operating radius is 6～8m; Mast tightens up cable wind rope after erectting, after the mast cable wind rope tightens up, and the wire rope that loose unloading is hung;
Erect 30m gantry mast according to layout plan, simultaneously the central axis of the axial alignment steel column of foot of the mast; The steel plate of foot of the mast can not directly contact with concrete, cushioning plank or sleeper; Lower floor at foot of the mast arranges the reinforcing support column, to guarantee safety; Two groups of pulley jibs are decorateeed and are arranged the balance hanging beam, keep the stress equalization of assembly pulley;
During mast lifting steel column during the lifting of loop wheel machine or mast the bottom of the steel column coaster of should taking to roll mobile with lifting, avoid causing gravity to concentrate and destroy the concrete internal construction; When loop wheel machine or mast lifting, the speed that the bottom of steel column takes the steel column of pulling force control in the other direction to move; Adopt the vapour crane operation when removing portal frame and erectting portal frame, guarantee safe production; When vapour was hung on aspect construction operation, its feet was supported on the concrete beam, and wanted cushioning soil plate or sleeper;
(2) steel truss is installed
(1) steel truss on-site consolidation
Steel truss adopts factory's rod member blanking, processes rear loose mail and is transported to the scene, and interim assembly unit scaffold is set up at the scene, carries out at the scene the truss assembly unit, and then whole Pin carries out lifting construction one time;
No. 18 i iron of assembly unit moulding bed employing and 10# channel-section steel are made, and the assembly unit frame is measured with elevation control with level gauge; Node location is avoided in the moulding bed setting, satisfies welder's welding space;
The truss assembling process is as follows:
Assembly unit moulding bed platform is arranged: assembly platform detects and adjusts level, and the moulding bed height is 0.8 meter, and each facing cut is flat, ejects the member projection line on assembly platform;
Middle chord member location: make the qualified chord member of detection and hang on moulding bed, decide line of face,mounting location over the ground;
Chord member location, both sides: make chord member and hang on moulding bed, fixed line of face,mounting is over the ground located;
The straight web member of truss location: make straight web member and hang on moulding bed, fixed line of face,mounting is over the ground located, and tacking adopts hand welding, the welding simultaneously of symmetrical weld seam;
Truss diagonal web member location: make diagonal web member and hang on moulding bed, fixed line of face,mounting is over the ground located, and tacking adopts hand welding, and the welding simultaneously of symmetrical weld seam;
Detect: the whole detection after truss assembling, whether the locus at each control point of the full brill of utilization instrument measurement truss meets pre-assembly unit requirement, checks ground sample benchmark, and checks each mating interface spacing requirement, the truss diagonal is poor should greater than 8mm, not implemented to correct to overproof position, part;
(2) mast lifting steel truss
Hoisting sheave adopts H20-4D * 4 group, 2 groups, every mast, and it is 6 * 37+1 Ф 19.5mm that hoist rope adopts specification, length 300m * 4 piece; The starting hoist engine adopts the electronic hoist engine of 5t at a slow speed, and lifting velocity 4m/ divides; Every mast of guy wire rope is no less than 6, and specification is 6 * 37+1 Ф 19.5mm, length 60m/ root.
Easy construction of the present invention, safe, effective, efficient is high.
The invention will be further described below in conjunction with embodiment.
The specific embodiment
A kind of long-span heavy type steel work mast construction method for hanging comprises the following steps:
(1) steel column is installed
(1) horizontal transport in the steel column field
The steel column member unload at the scene after below member the cushioning sleeper, be convenient to arrange raft-towing and cylinder; Cylinder rolls on the transmission moulding bed beam of H shaped steel, and the fulcrum of H shaped steel adds plank or sleeper between girder steel and concrete layer on the concrete beam;
Member adopts when carrying out horizontal drag fortune on transmitting moulding bed and moves at a slow speed, and speed is no more than 6m per minute; Between member and raft-towing, pad is set level whole;
(2) mast lifting steel column
Adopt gantry gin pole lifting of the two group of high 30m, portal frame center to center distance 5.5m, mast cross section 1.0m * 1.0m, main zeugopodium 4-∠ 90 * 90 * 6mm, web member ∠ 63 * 63 * 6mm, pitch 1.0m*30; Hoisting sheave adopts H32-5D * 2 group, and it is 6 * 37+1 Ф 19.5mm that hoist rope adopts specification, length 300m * 2 piece; The starting hoist engine adopts the electronic hoist engine of 5t at a slow speed, and lifting velocity 4m/ divides; The guy wire rope is no less than 6, and specification is 6*37+1 Ф 19.5mm, length 60m/ root; Before steel column lifting, with Current Collector Sleave, operating platform, cat ladder, slip rope and catching device and be fixed on steel column, the otic placode that welds with the steel column upper end lifts by crane;
The installation of mast adopts 50t vapour to lift up into the row lifting, the long 42m of the arm that 50t vapour hangs, and the height of mast is 30m, and deadweight 4.5t, operating radius is 6～8m; Mast tightens up cable wind rope after erectting, after the mast cable wind rope tightens up, and the wire rope that loose unloading is hung;
Erect 30m gantry mast according to layout plan, simultaneously the central axis of the axial alignment steel column of foot of the mast; The steel plate of foot of the mast can not directly contact with concrete, cushioning plank or sleeper; Lower floor at foot of the mast arranges the reinforcing support column, to guarantee safety; Two groups of pulley jibs are decorateeed and are arranged the balance hanging beam, keep the stress equalization of assembly pulley;
During mast lifting steel column during the lifting of loop wheel machine or mast the bottom of the steel column coaster of should taking to roll mobile with lifting, avoid causing gravity to concentrate and destroy the concrete internal construction; When loop wheel machine or mast lifting, the speed that the bottom of steel column takes the steel column of pulling force control in the other direction to move; Adopt the vapour crane operation when removing portal frame and erectting portal frame, guarantee safe production; When vapour was hung on aspect construction operation, its feet was supported on the concrete beam, and wanted cushioning soil plate or sleeper;
(2) steel truss is installed
(1) steel truss on-site consolidation
Steel truss adopts factory's rod member blanking, processes rear loose mail and is transported to the scene, and interim assembly unit scaffold is set up at the scene, carries out at the scene the truss assembly unit, and then whole Pin carries out lifting construction one time;
No. 18 i iron of assembly unit moulding bed employing and 10# channel-section steel are made, and the assembly unit frame is measured with elevation control with level gauge; Node location is avoided in the moulding bed setting, satisfies welder's welding space;
The truss assembling process is as follows:
Assembly unit moulding bed platform is arranged: assembly platform detects and adjusts level, and the moulding bed height is 0.8 meter, and each facing cut is flat, ejects the member projection line on assembly platform;
Middle chord member location: make the qualified chord member of detection and hang on moulding bed, decide line of face,mounting location over the ground;
Chord member location, both sides: make chord member and hang on moulding bed, fixed line of face,mounting is over the ground located;
The straight web member of truss location: make straight web member and hang on moulding bed, fixed line of face,mounting is over the ground located, and tacking adopts hand welding, the welding simultaneously of symmetrical weld seam;
Truss diagonal web member location: make diagonal web member and hang on moulding bed, fixed line of face,mounting is over the ground located, and tacking adopts hand welding, and the welding simultaneously of symmetrical weld seam;
Detect: the whole detection after truss assembling, whether the locus at each control point of the full brill of utilization instrument measurement truss meets pre-assembly unit requirement, checks ground sample benchmark, and checks each mating interface spacing requirement, the truss diagonal is poor should greater than 8mm, not implemented to correct to overproof position, part;
(2) mast lifting steel truss
Hoisting sheave adopts H20-4D * 4 group, 2 groups, every mast, and it is 6 * 37+1 Ф 19.5mm that hoist rope adopts specification, length 300m * 4 piece; The starting hoist engine adopts the electronic hoist engine of 5t at a slow speed, and lifting velocity 4m/ divides; Every mast of guy wire rope is no less than 6, and specification is 6 * 37+1 Ф 19.5mm, length 60m/ root.
Claims (1)
1. a long-span heavy type steel work mast construction method for hanging, is characterized in that: comprise the following steps:
(1) steel column is installed
(1) horizontal transport in the steel column field
The steel column member unload at the scene after below member the cushioning sleeper, be convenient to arrange raft-towing and cylinder; Cylinder rolls on the transmission moulding bed beam of H shaped steel, and the fulcrum of H shaped steel adds plank or sleeper between girder steel and concrete layer on the concrete beam;
Member adopts when carrying out horizontal drag fortune on transmitting moulding bed and moves at a slow speed, and speed is no more than 6m per minute; Between member and raft-towing, pad is set level whole;
(2) mast lifting steel column
Adopt gantry gin pole lifting of the two group of high 30m, portal frame center to center distance 5.5m, mast cross section 1.0m * 1.0m, main zeugopodium 4-∠ 90 * 90 * 6mm, web member ∠ 63 * 63 * 6mm, pitch 1.0m*30; Hoisting sheave adopts H32-5D * 2 group, and it is 6 * 37+1 Ф 19.5mm that hoist rope adopts specification, length 300m * 2 piece; The starting hoist engine adopts the electronic hoist engine of 5t at a slow speed, and lifting velocity 4m/ divides; The guy wire rope is no less than 6, and specification is 6*37+1 Ф 19.5mm, length 60m/ root; Before steel column lifting, with Current Collector Sleave, operating platform, cat ladder, slip rope and catching device and be fixed on steel column, the otic placode that welds with the steel column upper end lifts by crane;
The installation of mast adopts 50t vapour to lift up into the row lifting, the long 42m of the arm that 50t vapour hangs, and the height of mast is 30m, and deadweight 4.5t, operating radius is 6～8m; Mast tightens up cable wind rope after erectting, after the mast cable wind rope tightens up, and the wire rope that loose unloading is hung;
Erect 30m gantry mast according to layout plan, simultaneously the central axis of the axial alignment steel column of foot of the mast; The steel plate of foot of the mast can not directly contact with concrete, cushioning plank or sleeper; Lower floor at foot of the mast arranges the reinforcing support column, to guarantee safety; Two groups of pulley jibs are decorateeed and are arranged the balance hanging beam, keep the stress equalization of assembly pulley;
During mast lifting steel column during the lifting of loop wheel machine or mast the bottom of the steel column coaster of should taking to roll mobile with lifting, avoid causing gravity to concentrate and destroy the concrete internal construction; When loop wheel machine or mast lifting, the speed that the bottom of steel column takes the steel column of pulling force control in the other direction to move; Adopt the vapour crane operation when removing portal frame and erectting portal frame, guarantee safe production; When vapour was hung on aspect construction operation, its feet was supported on the concrete beam, and wanted cushioning soil plate or sleeper;
(2) steel truss is installed
(1) steel truss on-site consolidation
Steel truss adopts factory's rod member blanking, processes rear loose mail and is transported to the scene, and interim assembly unit scaffold is set up at the scene, carries out at the scene the truss assembly unit, and then whole Pin carries out lifting construction one time;
No. 18 i iron of assembly unit moulding bed employing and 10# channel-section steel are made, and the assembly unit frame is measured with elevation control with level gauge; Node location is avoided in the moulding bed setting, satisfies welder's welding space;
The truss assembling process is as follows:
Assembly unit moulding bed platform is arranged: assembly platform detects and adjusts level, and the moulding bed height is 0.8 meter, and each facing cut is flat, ejects the member projection line on assembly platform;
Middle chord member location: make the qualified chord member of detection and hang on moulding bed, decide line of face,mounting location over the ground;
Chord member location, both sides: make chord member and hang on moulding bed, fixed line of face,mounting is over the ground located;
The straight web member of truss location: make straight web member and hang on moulding bed, fixed line of face,mounting is over the ground located, and tacking adopts hand welding, the welding simultaneously of symmetrical weld seam;
Truss diagonal web member location: make diagonal web member and hang on moulding bed, fixed line of face,mounting is over the ground located, and tacking adopts hand welding, and the welding simultaneously of symmetrical weld seam;
Detect: the whole detection after truss assembling, whether the locus at each control point of the full brill of utilization instrument measurement truss meets pre-assembly unit requirement, checks ground sample benchmark, and checks each mating interface spacing requirement, the truss diagonal is poor should greater than 8mm, not implemented to correct to overproof position, part;
(2) mast lifting steel truss
Hoisting sheave adopts H20-4D * 4 group, 2 groups, every mast, and it is 6 * 37+1 Ф 19.5mm that hoist rope adopts specification, length 300m * 4 piece; The starting hoist engine adopts the electronic hoist engine of 5t at a slow speed, and lifting velocity 4m/ divides; Every mast of guy wire rope is no less than 6, and specification is 6 * 37+1 Ф 19.5mm, length 60m/ root.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100875776A CN103161350A (en) | 2013-03-19 | 2013-03-19 | Large span heavy steel structure mast hoisting construction method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100875776A CN103161350A (en) | 2013-03-19 | 2013-03-19 | Large span heavy steel structure mast hoisting construction method |
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| CN103161350A true CN103161350A (en) | 2013-06-19 |
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| CN2013100875776A Pending CN103161350A (en) | 2013-03-19 | 2013-03-19 | Large span heavy steel structure mast hoisting construction method |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104818856A (en) * | 2015-04-21 | 2015-08-05 | 中国十七冶集团有限公司 | Mounting method of roof thin-wall Z-shaped purline |
| CN104963521A (en) * | 2015-07-28 | 2015-10-07 | 中铁大桥局集团有限公司 | System and construction method used for integral hoisting and rotation of steel tower |
| CN107090982A (en) * | 2017-04-28 | 2017-08-25 | 中国二十冶集团有限公司 | A kind of ultra-high ultra-large moves the installation method of wheel-track type steel construction |
| CN107386663A (en) * | 2017-09-13 | 2017-11-24 | 北京军秀咨询有限公司 | A kind of steel construction high level construction method for hanging |
| CN107717346A (en) * | 2017-09-29 | 2018-02-23 | 南通振华重型装备制造有限公司 | A kind of 1600T masts hang on mast building technology |
| CN111302228A (en) * | 2020-04-25 | 2020-06-19 | 中国有色金属工业第六冶金建设有限公司 | Hoisting method for hoisting large barrel by multiple masts based on wind condition |
-
2013
- 2013-03-19 CN CN2013100875776A patent/CN103161350A/en active Pending
Non-Patent Citations (2)
| Title |
|---|
| 李光等: "重型钢结构桅杆法吊装施工技术", 《建筑施工》 * |
| 王金锋等: "《第十九届华东六省一市建筑施工技术交流会论文集》", 1 November 2011 * |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104818856A (en) * | 2015-04-21 | 2015-08-05 | 中国十七冶集团有限公司 | Mounting method of roof thin-wall Z-shaped purline |
| CN104818856B (en) * | 2015-04-21 | 2017-01-18 | 中国十七冶集团有限公司 | Mounting method of roof thin-wall Z-shaped purline |
| CN104963521A (en) * | 2015-07-28 | 2015-10-07 | 中铁大桥局集团有限公司 | System and construction method used for integral hoisting and rotation of steel tower |
| CN104963521B (en) * | 2015-07-28 | 2017-11-17 | 中铁大桥局集团有限公司 | A kind of system and construction method for head tower integral hoisting rotation |
| CN107090982A (en) * | 2017-04-28 | 2017-08-25 | 中国二十冶集团有限公司 | A kind of ultra-high ultra-large moves the installation method of wheel-track type steel construction |
| CN107386663A (en) * | 2017-09-13 | 2017-11-24 | 北京军秀咨询有限公司 | A kind of steel construction high level construction method for hanging |
| CN107717346A (en) * | 2017-09-29 | 2018-02-23 | 南通振华重型装备制造有限公司 | A kind of 1600T masts hang on mast building technology |
| CN111302228A (en) * | 2020-04-25 | 2020-06-19 | 中国有色金属工业第六冶金建设有限公司 | Hoisting method for hoisting large barrel by multiple masts based on wind condition |
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Application publication date: 20130619 |