CN109653377B - Electronic factory building large-span steel structure roof slipping method - Google Patents
Electronic factory building large-span steel structure roof slipping method Download PDFInfo
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- CN109653377B CN109653377B CN201811587535.8A CN201811587535A CN109653377B CN 109653377 B CN109653377 B CN 109653377B CN 201811587535 A CN201811587535 A CN 201811587535A CN 109653377 B CN109653377 B CN 109653377B
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/35—Extraordinary methods of construction, e.g. lift-slab, jack-block
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B7/00—Roofs; Roof construction with regard to insulation
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
- E04C3/04—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
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Abstract
A method for slipping a large-span steel structure roof of an electronic factory building is characterized by comprising the following steps: a. the method comprises the steps that 1 phi 351 x 10mm steel pipe column is arranged beside the inner side of a two-layer concrete column at the base position of each roof steel structure truss on two sides of a plant span, b, the bottom of each steel pipe column is connected with the two layers of lattice beams through a hoop, c, a sliding track beam is arranged at the top of each steel pipe column, d, a 43kg track is placed in the center of the top of the track beam, e, a sliding shoe is placed above the 43kg track corresponding to the lower chord steel beam position of the roof steel structure truss, f, a crawler is provided, the sliding shoe is pushed by the crawler, g, the roof steel structure truss sliding process is achieved, and the whole roof sliding installation is completed. The invention has the advantages of simple structure of the sliding process device and safe and reliable sliding engineering quality, solves the problem that the crawler crane can not be used for installation on the two layers of plates of a factory building and the original design structure can not be used for sliding the steel structure of the roof, shortens the construction time and reduces the engineering cost.
Description
Technical Field
The invention relates to a factory building large-span steel structure roof, in particular to a slipping method for a large-span steel structure roof of an electronic factory building.
Background
The electronic factory building is used as key production facilities for chips, panels and the like, and is an indispensable production factory building for high-tech electronic product equipment. Due to the fact that electronic products are fast to update and high in production environment requirements, production workshops of the electronic products have extremely high requirements on production speed and cleanliness, and construction difficulty is large.
The two-layer plane structure of the main workshop of the existing electronic workshop is generally in the form of a waffle slab or a lattice beam, the two-layer upright column is provided with a steel upright column or a concrete upright column, and the roof is in the form of a steel structure truss, so that the installation of the steel structure roof directly influences the production node and the production environment, thereby being very key. The installation of traditional roofing steel construction adopts and uses the crawler crane to hoist at the bilayer structure, or utilizes former project organization to slide.
With the consideration of investment, progress and the like of an owner and a general bag, the structural design is optimized, the original structure cannot meet the requirement of a crane on a two-layer platform or utilize the original structure to slide, and temporary measures cannot damage the concrete structure.
The known steel structure roofing thus suffers from the inconveniences and problems described above, using the existing structure for sliding.
Disclosure of Invention
The invention aims to provide a safe and reliable method for slipping a large-span steel structure roof of an electronic factory building.
In order to achieve the purpose, the technical solution of the invention is as follows:
the utility model provides a method of sliding of electron factory building large-span steel construction roofing, the factory building design is the structural style of two layers of lattice roof beam, concrete column, and the crane or utilize original structure to slide on the unable meeting of factory building design structure second floor platform, its characterized in that includes following step:
a. arranging 1 phi 351 x 10mm steel pipe columns beside the inner sides of two layers of concrete columns at the positions of each roof steel structure truss base on two sides of the span of the plant, wherein the steel pipe columns are used for installing a sliding track beam; the steel pipe column and the concrete column are connected by a hoop;
b. the bottom of each steel pipe column is connected with the two layers of lattice beams by adopting an anchor ear, the bottom of each steel pipe column is firstly sealed by a steel plate and then placed on a horizontal anchor ear, and a stiffening plate is arranged at the position of the web plate of the H-shaped steel;
c. the top of each steel pipe column is provided with a sliding track beam, and the tops of the steel pipe columns are connected through the track beams;
d. a 43kg track is placed in the center of the top of the track beam, and the 43kg track is connected with the track beam through a track pressing device or a pressure plate;
e. placing a sliding shoe above the 43kg track corresponding to the lower chord steel beam of the roof steel structure truss, and placing the roof steel structure truss on the 43kg track through the sliding shoe; the sliding shoe is made of HM440 300 section steel, one end of the sliding shoe is provided with a pair of ear plates, the ear plates are connected with the crawler through pin shafts, the sliding shoe is reinforced by using stiffening plates, and two groups of limiting plates are arranged at the movable contact part of the bottom of the sliding shoe and the rail so that the sliding shoe is movably clamped above the 43kg rail;
f. providing a crawler, pushing a sliding shoe by the crawler, driving the roof steel structure truss placed on the sliding shoe to slide, and unloading the roof steel structure truss after the sliding shoe slides to a preset position to enable the roof steel structure truss to be in place;
g. the roof steel structure truss slipping process comprises the following steps: the sliding roof truss is provided with 18 axes in total, the 18-axis truss is assembled on the ground outside the axis 1, the 18-axis truss is hoisted to the axis 2 position by using a crane after the assembly is finished, then the 17-axis truss is assembled and hoisted to the axis 1 after the assembly is finished, the 17-axis truss at the axis 1 is slid to the axis 2 after the rod piece between the 17-18-axis truss is installed, the 16-axis truss at the axis 1 is hoisted to the axis 1 continuously, the 16-axis truss at the axis 1 is slid to the axis 2 after the rod piece between the 16-17-axis truss is installed, and the rest is done in sequence, and the sliding installation of.
The large-span steel structure roof slipping method of the electronic factory building can be further realized by adopting the following technical measures.
The method, wherein the height of the concrete column is 8m, and the height of the steel pipe column is 7.05 m.
In the method, the steel pipe column and the concrete column are clamped by an upper hoop, a middle hoop and a lower hoop in height.
In the method, the hoop is made of HW200 × 200 section steel, and the section steel is connected and fixed by round steel pull rods with the diameter of 20 mm.
The method, wherein the track beam is a HN800 × 300 profile steel sliding track beam.
According to the method, when the steel structure truss slides, the height of the bottom of the truss upright post and the height of the concrete post in the sliding process are 150mm, and unloading is facilitated after the truss is slid in place.
After the technical scheme is adopted, the method for slipping the large-span steel structure roof of the electronic factory building has the following advantages:
1. the sliding process device has simple structure and convenient manufacture;
2. the slippage process method is feasible, the engineering quality is safe and reliable, and the difficult problems that the crawler crane cannot be used for installation on a two-layer plate of a factory building and the original design structure cannot be used for slippage of a roof steel structure are solved;
3. the construction time is shortened, and the engineering cost is reduced.
Drawings
FIG. 1 is a schematic slip plane view of an embodiment of the present invention;
FIG. 2 is a cross-sectional view A-A of FIG. 1;
FIG. 3 is a cross-sectional view B-B of FIG. 2;
FIG. 4 is a view taken along line C of FIG. 2;
FIG. 5 is a cross-sectional view D-D of FIG. 4;
FIG. 6 is a view from E of FIG. 2;
FIG. 7 is a schematic view of a slipper configuration according to an embodiment of the invention;
FIG. 8 is a cross-sectional view F-F of FIG. 7;
fig. 9 is a schematic diagram of a roof steel structure truss structure according to an embodiment of the invention.
In the figure: 1 steel-pipe column, 2 track roof beams that slide, 3 concrete columns, 4 post staple bolts, 5 concrete lattice roof beams, 6 roof beam staple bolts, 7 track that slide, 8 piston shoes, 9 crawlers, 10 roofing steel construction trusses, 11 pull rods, 12 steel construction truss last quarter H shaped steel, 13 limiting plates.
Detailed Description
The present invention will be further described with reference to the following examples and the accompanying drawings.
Example 1
The large-span steel structure roof slipping method of the electronic factory building, disclosed by the invention, has the advantages that the factory building span is 120m, the steel structure roof slipping length is 170m, the factory building is designed into a structural form of a two-layer lattice beam and a concrete column, the design structure of the factory building cannot meet the slipping of a crane on a two-layer platform or the original structure, and the method comprises the following steps:
1. and 1 phi 351 mm 10mm steel pipe column 1 is arranged beside the inner side of the two-layer concrete column at the position of each roof steel structure truss base on two sides of the plant span, and the steel pipe columns are used for installing the sliding track beam.
Referring now to fig. 1-4, fig. 1 is a schematic diagram of a slip plane according to an embodiment of the present invention, fig. 2 is a sectional view taken along a-a in fig. 1, fig. 3 is a sectional view taken along B-B in fig. 2, and fig. 4 is a view taken along C in fig. 2. As shown in the figure, the height of the two-layer concrete column 2 is 8m, the height of the steel pipe column 1 is 7.05m, and the height determination principle of the steel pipe column is as follows: the height of the steel pipe column, the height of the track beam and the height of the sliding shoe are = the design in-place height of the truss lower chord beam and 150 mm. The height of the sliding process of the bottom of the upright post and the concrete post of the roof steel structure truss 10 is 150mm, so that the roof steel structure truss is convenient to unload after sliding in place.
2. The steel pipe column and the concrete upright column are connected in a hoop form. Each steel column and each concrete column are provided with an upper column hoop 4, a middle column hoop and a lower column hoop 4. The column hoop is made of HW 200-200 section steel, and round steel pull rods with the diameter of 20mm (both ends of each pull rod are provided with screw threads for placing screw caps) are used for fixing the section steel.
3. The bottom of each steel pipe column is connected with the two layers of lattice beams in a mode of 1 beam hoop 6. The beam hoop uses HW200 x 200 section steel, and round steel pull rods 11 with the diameter of 20mm (both ends of the pull rods are provided with screw threads and nuts) are used for fixing the section steel. The bottom of the steel pipe column is sealed by a steel plate, the steel pipe column is placed on a horizontal H-shaped steel beam hoop, and a stiffening plate is arranged at the position of an H-shaped steel web plate.
4. The tops of the steel pipe columns are provided with HN 800X 300 section steel sliding track beams, and the tops of the steel pipe columns 1 are connected through the sliding track beams.
5. A sliding rail 7 is arranged in the center of the top of the rail beam, and the sliding rail is a 43kg rail. The 43kg track and the sliding track beam are connected by a rail pressing device or a pressing plate. Fig. 5 is a sectional view taken along line D-D in fig. 4, and fig. 6 is a view taken along line E in fig. 2.
6. And a sliding shoe 8 is arranged above the sliding track 7 corresponding to the position of the lower chord H-shaped steel 12 of the steel structure truss, so that the steel structure truss is arranged on the track through the sliding shoe. The skid shoes are made of H-shaped steel, and the skid shoes are provided with lug plates connected with the crawler 9 and connected with each other through pin shafts. The slipper is made of HM440 x 300 steel, wherein one end is provided with a pair of ear plates which are used for connecting with a crawler. The sliding shoe H-shaped steel web plate is reinforced by a stiffening plate, two groups of limiting plates 13 are arranged at the connection part of the sliding shoe H-shaped steel web plate and the track, and the two groups of limiting plates are clamped above the track. Fig. 7 is a schematic structural view of a slipper according to an embodiment of the present invention, and fig. 8 is a sectional view of F-F in fig. 7.
7. And providing a crawler, enabling the crawler to push sliding shoes, driving the steel structure truss placed on the sliding shoes to slide, and unloading in place after the sliding shoes slide in place.
8. The roof steel structure truss slipping process is set as follows: the method comprises the steps that 18 axes are shared by sliding roof trusses, 18-axis trusses are assembled on the ground outside an axis 1, the 18-axis trusses are hoisted to an axis 2 position by using a crane after assembly is completed, 17-axis trusses are assembled and hoisted to the axis 1 after the assembly is completed, the 17-axis trusses at the axis 1 are slid to the axis 2 after rods between the 17-18-axis trusses are installed, the 16-axis trusses at the axis 1 are hoisted to the axis 1 continuously, the rods between the 16-17-axis trusses are installed, the 16-axis trusses at the axis 1 are slid to the axis 2, and the rest is done in sequence. Fig. 9 is a schematic diagram of a roof steel structure truss structure according to an embodiment of the invention.
The method for slipping the large-span steel structure roof of the electronic factory building has the substantial characteristics and obvious technical progress, the independent columns are arranged for slipping, the unloading height of the roof structure after slipping in place is reduced, the unloading height of the original concrete columns is about 700-800 mm, the unloading height of the independent columns is about 150mm, and the unloading efficiency and safety guarantee are improved. The difficult problem that the original structure is not damaged is solved by adopting the hoop connection form
The above embodiments are provided only for illustrating the present invention and not for limiting the present invention, and those skilled in the art can make various changes or modifications without departing from the spirit and scope of the present invention. Accordingly, all equivalents are intended to fall within the scope of the invention, which is defined in the claims.
Claims (5)
1. The utility model provides a method of sliding of electron factory building large-span steel construction roofing, the factory building design is the structural style of two layers of lattice roof beam, concrete column, and the crane or utilize original structure to slide on the unable meeting of factory building design structure second floor platform, its characterized in that includes following step:
a. arranging 1 phi 351 x 10mm steel pipe columns beside the inner sides of two layers of concrete columns at the positions of each roof steel structure truss base on two sides of the span of the plant, wherein the steel pipe columns are used for installing a sliding track beam; the steel pipe column and the concrete column are connected by a hoop;
b. the bottom of each steel pipe column is connected with the two layers of lattice beams by adopting an anchor ear, the bottom of each steel pipe column is firstly sealed by a steel plate and then placed on a horizontal anchor ear, and a stiffening plate is arranged at the position of the web plate of the H-shaped steel;
c. the top of each steel pipe column is provided with a sliding track beam, and the tops of the steel pipe columns are connected through the track beams;
d. a 43kg track is placed in the center of the top of the track beam, and the 43kg track is connected with the track beam through a track pressing device or a pressure plate;
e. placing a sliding shoe above the 43kg track corresponding to the lower chord steel beam of the roof steel structure truss, and placing the roof steel structure truss on the 43kg track through the sliding shoe; the sliding shoe is made of HM440 300 section steel, one end of the sliding shoe is provided with a pair of ear plates, the ear plates are connected with the crawler through pin shafts, the sliding shoe is reinforced by using stiffening plates, and two groups of limiting plates are arranged at the movable contact part of the bottom of the sliding shoe and the rail so that the sliding shoe is movably clamped above the 43kg rail;
f. providing a crawler, pushing a sliding shoe by the crawler, driving the roof steel structure truss placed on the sliding shoe to slide, and unloading the roof steel structure truss after the sliding shoe slides to a preset position to enable the roof steel structure truss to be in place;
g. the roof steel structure truss slipping process comprises the following steps: the method comprises the steps that 18 axes are arranged on the sliding roof truss in total, the 18-axis truss is assembled on the ground outside an axis 1, the 18-axis truss is hoisted to an axis 2 position by using a crane after the assembly is finished, then a 17-axis truss is assembled and hoisted to the axis 1 after the assembly is finished, the 17-axis truss at the axis 1 is slid to the axis 2 after a rod piece between the 17-18-axis trusses is installed, the 16-axis truss at the axis 1 is continuously hoisted to the axis 1, the 16-axis truss at the axis 1 is slid to the axis 2 after the rod piece between the 16-17-axis trusses is installed, and the analogy is repeated to finish the sliding installation of the whole roof, when the steel structure truss slides, the height of the sliding process of the bottom of the.
2. The electronic factory building large-span steel structure roof slipping method according to claim 1, wherein the height of the concrete column is 8m, and the height of the steel pipe column is 7.05 m.
3. The electronic factory building large-span steel structure roof slipping method according to claim 1, wherein the steel pipe column and the concrete column are clamped in height by an upper hoop, a middle hoop and a lower hoop.
4. The method for slipping the large-span steel structure roof of the electronic factory building according to claim 1, wherein the hoop is made of HW200 x 200 section steel, and the section steel is connected and fixed by round steel pull rods with the diameter of 20 mm.
5. The electronic factory building large-span steel structure roof slipping method according to claim 1, wherein the rail beam is a HN 800X 300 section steel slipping rail beam.
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| CN201811587535.8A CN109653377B (en) | 2018-12-25 | 2018-12-25 | Electronic factory building large-span steel structure roof slipping method |
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| CN201811587535.8A CN109653377B (en) | 2018-12-25 | 2018-12-25 | Electronic factory building large-span steel structure roof slipping method |
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| CN110107114B (en) * | 2019-05-21 | 2021-05-04 | 杭州圣基建筑特种工程有限公司 | Lateral limiting method for jacking and rectifying of brick-concrete structure house |
| CN110685444A (en) * | 2019-10-16 | 2020-01-14 | 中国十七冶集团有限公司 | Steel-making main plant high-span steel structure transferring device and using method thereof |
| CN111350384A (en) * | 2020-03-18 | 2020-06-30 | 中交二公局第一工程有限公司 | Totally-enclosed prefabricated plant shed and construction process thereof |
| CN111705932A (en) * | 2020-06-22 | 2020-09-25 | 中国五冶集团有限公司 | Large-span structure overhanging structure and curtain wall sliding construction method |
| CN113323295B (en) * | 2021-05-27 | 2023-01-24 | 中国华冶科工集团有限公司 | Method for installing roof structure of steel structure factory building |
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| CN103806658B (en) * | 2012-11-14 | 2016-01-20 | 五冶集团上海有限公司 | High-cleanness, high electronic workshop steel work integral slipping and discharging method |
| CN106223595B (en) * | 2016-08-10 | 2019-03-19 | 中国中元国际工程有限公司 | A kind of rack high altitude bulk sliding platform and high altitude bulk construction method |
| CN106284668B (en) * | 2016-08-29 | 2019-08-13 | 江苏江中集团有限公司 | A kind of large span large-spatial structures roofing truss installation method |
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