CN109898645B - Construction method of spliced load-bearing steel structure factory building framework - Google Patents
Construction method of spliced load-bearing steel structure factory building framework Download PDFInfo
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- CN109898645B CN109898645B CN201910165018.XA CN201910165018A CN109898645B CN 109898645 B CN109898645 B CN 109898645B CN 201910165018 A CN201910165018 A CN 201910165018A CN 109898645 B CN109898645 B CN 109898645B
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Abstract
The invention provides a construction method of an assembled bearing steel structure factory building framework, which comprises the steps of erecting wall frames, preparing an open-web roof combined beam frame, selecting diagonal lines of the wall frames as assembly guide lines, and hoisting the open-web roof combined beam frame in sequence. By adopting the technical scheme of the invention, each structural component forming the large-scale factory building is divided into a plurality of structural components, the structural components are prepared in advance and then assembled, so that the construction process is greatly simplified, the construction efficiency is improved, the connecting structural components such as the connecting splint and the connecting lug plate are additionally arranged, the connecting contact area of two adjacent structural components at the connecting part is increased, the integral structure strength and the bearing capacity of a steel structure wall are greatly enhanced, when the hollow roof combined beam frame is paved, the assembling precision is ensured by paving according to the sequence of assembly, a hoisting vehicle only needs to walk once along a corresponding path without reciprocating movement, the construction period is shortened, and the building construction quality is ensured.
Description
Technical Field
The invention relates to the technical field of constructional engineering, in particular to a construction method of an assembled bearing steel structure factory building framework.
Background
In recent years, with the development of building construction technology, under the strong support of national policies, fabricated buildings are widely used and are in a continuous and rapid development stage in recent years, and many building materials and structural members applied to the fabricated buildings are put into mass production and use, thereby gaining social merit. As for a large-scale factory building, the external structure and the self weight of the large-scale factory building are large, and the requirements on the bearing capacity, the structural strength and the durability of the large-scale factory building are high, in the construction operation of an assembly type building, a welded steel structural member is widely adopted as a factory building framework to be manufactured in advance, then the assembly construction is carried out, if a reasonable construction operation method is not adopted in the construction operation, the assembly error of the factory building is large, the situations that the wall body joint is large, the bearing capacity is poor, the overall structure of the factory building is deformed and dislocated and the like are easily caused, and the waterproof and rainproof performance of the building in the later period is influenced.
Disclosure of Invention
In order to solve the technical problem, the invention provides a construction method of an assembled bearing steel structure factory building framework.
The invention is realized by the following technical scheme.
The invention provides a construction method of an assembled bearing steel structure factory building framework, which mainly comprises the following steps:
the method comprises the following steps: erecting a wall frame: the method comprises the following steps that a front wall frame, a rear wall frame, a left wall frame and a right wall frame are erected on the ground, and the front wall frame, the rear wall frame, the left wall frame and the right wall frame are made to surround on the ground to form a closed rectangular wall frame;
step two: preparing an open-web roof combined beam frame: preparing a plurality of hollow roof combined beam frames according to the outer contour size of the wall frame in the step one, wherein each hollow roof combined beam frame consists of two diagonal longitudinal beams which are arranged in parallel and a plurality of diagonal cross beams welded between the two diagonal longitudinal beams;
step three: hoisting the hollow roof combined beam frame: and selecting one diagonal line of the top surface of the wall frame in the step one as an assembly guide line, sequentially assembling the hollow roof combined beam frame in the step two on the top surface of the wall frame along the direction of the assembly guide line, enabling one end of the hollow roof combined beam frame to be welded and fixed on the front wall frame and the rear wall frame, and enabling the other end of the hollow roof combined beam frame to be welded and fixed on the left wall frame and the right wall frame.
The process of hoisting the hollow roof combined beam frame in the step three also comprises the following steps:
step 1: selecting four corners on the hollow roof combined beam frame as regulation and control points, and binding a traction rope on each regulation and control point respectively;
step 2: hoisting the hollow roof combined beam frame by a crane, and applying appropriate acting force to each regulation point by the traction rope in the step 1 in the hoisting process of the hollow roof combined beam frame to keep the hollow roof combined beam frame in a horizontal posture in the hoisting process;
and step 3: and after the hollow roof combined beam frame is erected on the top surface of the wall frame, the hemp ropes are removed.
The hauling rope is a hemp rope.
The diagonal longitudinal beams are vertically crossed with the diagonal cross beams.
In the same hollow roof combined beam frame, the distance between any two adjacent diagonal draw crossbeams is equal.
Wall frame about, around, wall frame assemble along horizontal direction and vertical direction respectively by a plurality of "well" style of calligraphy wall frame unit and constitute, "well" style of calligraphy wall frame unit includes two parallel arrangement's heel post and welds in many tie-beams between two heel posts, weld mutually relatively through two piece at least splice boards in the horizontal direction between two arbitrary adjacent heel posts together, there is the connection otic placode at arbitrary adjacent two heel post concatenation departments in vertical direction through bolted connection.
The bearing column is made of section steel with an H-shaped cross section, two sides of the connecting clamping plate are respectively welded at the edge of the opening end of the bearing column, and the connecting lug plate is fixed on the inner wall of the bearing column through bolts.
The edge of the connecting lug plate is welded with the inner wall of the bearing column into a whole.
The connecting beam is made of section steel with an H-shaped cross section.
The distance between any two adjacent connecting beams is 1400mm to 3300 mm.
The invention has the beneficial effects that: by adopting the technical scheme of the invention, each structural component forming a large-scale factory building is divided into a plurality of small structural components, the structural components comprise wall frame units, hollow roof combined beam frames and the like, the structural components can be processed in advance, the manufacturing precision of the structural components is favorably improved, a foundation is laid for improving the construction quality, when the factory building is built, the structural components are spliced together, the construction process is greatly simplified, the construction efficiency is improved, when the structural components are spliced and connected, the connecting structural components such as connecting splints, connecting lug plates and the like are additionally arranged, so that the connecting contact area of two adjacent steel structure framework units at the connecting part is increased, the integral structural strength and the bearing capacity of a steel structure wall body are greatly enhanced, on the other hand, when the hollow roof combined beam frames are laid, corresponding assembling guide lines are selected according to the field condition for assembling according to the sequence, the assembling precision is ensured, the hoisting vehicle does not need to move repeatedly, and the installation of all the hollow roof combined beam frames can be completed only by paving once along a preset paving route, so that the efficiency is greatly improved.
Drawings
FIG. 1 is a flow chart of the construction process of the present invention;
FIG. 2 is a top view of the assembled bearing steel structure factory building framework of the invention;
FIG. 3 is a top view of the open web roof composite beam mount of the present invention;
FIG. 4 is a front view of the wall rack unit of the present invention;
FIG. 5 is a top plan view of the wall rack unit of the present invention;
FIG. 6 is a schematic view of the connection of the wall frame unit of the present invention;
FIG. 7 is a schematic view of the connection of the connecting splint of the present invention;
fig. 8 is a schematic view of the connection lug of the present invention.
In the figure: the method comprises the following steps of 1-wall frame, 2-hollow roof combined beam frame, 3-wall frame unit, 4-connecting splint, 5-connecting ear plate, 11-front and rear wall frame, 12-left and right wall frame, 21-diagonal longitudinal beam, 22-diagonal cross beam, 31-bearing column and 32-connecting beam.
Detailed Description
The technical solution of the present invention is further described below, but the scope of the claimed invention is not limited to the described.
As shown in fig. 1 to 8, the invention provides a construction method of an assembled bearing steel structure factory building framework, which comprises the following steps:
the method comprises the following steps: erecting a wall frame 1: the front wall frame 11, the rear wall frame 11, the left wall frame 12 and the right wall frame 12 are erected on the ground, and the front wall frame 11, the rear wall frame 11, the left wall frame 12 and the right wall frame 12 surround on the ground to form a closed rectangular wall frame 1;
step two: preparing an open-web roof combined beam frame 2: preparing a plurality of hollow roof combined beam frames 2 according to the outer contour size of the wall frame 1 in the step one, wherein each hollow roof combined beam frame 2 consists of two diagonal longitudinal beams 21 which are arranged in parallel and a plurality of diagonal cross beams 22 welded between the two diagonal longitudinal beams 21;
step three: hoisting the hollow roof combined beam frame: and (2) selecting one diagonal line of the top surface of the wall frame 1 in the first step as an assembly guide line, sequentially assembling the hollow roof combined beam frame 2 in the second step on the top surface of the wall frame 1 along the direction of the assembly guide line, enabling one end of the hollow roof combined beam frame 2 to be welded and fixed on the front wall frame 11 and the rear wall frame 11, and enabling the other end of the hollow roof combined beam frame 2 to be welded and fixed on the left wall frame 12 and the right wall frame 12.
Further, it is preferable that the crane has a rated lifting capacity of not less than 50 tons. The diagonal draw longitudinal beams 21 and the diagonal draw transverse beams 22 are perpendicularly intersected. The length of the diagonal cross beam 22 is less than 2120 mm. In the same hollow roof combined beam frame 2, the distance between any two adjacent diagonal draw crossbeams 22 is equal. In the same hollow roof combined beam frame 2, the distance between any two adjacent diagonal draw beams 22 is 1400mm to 2120 mm.
Further, the process of hoisting the hollow roof combined beam frame 2 in the third step further comprises the following steps:
step 1: selecting four corners on the hollow roof combined beam frame 2 as control points, and binding a traction rope on each control point respectively; preferably the pull cord is a twine. Step 2: hoisting the hollow roof combined beam frame 2 by a crane, and applying appropriate acting force to each regulation and control point by the traction rope in the step 1 in the hoisting process of the hollow roof combined beam frame 2 to keep the hollow roof combined beam frame 2 in a horizontal posture in the hoisting process; and step 3: when the hollow roof combined beam frame 2 is arranged on the top surface of the wall frame 1, the hemp ropes are removed.
Further, the front wall frame 11, the rear wall frame 11, the left wall frame 12 and the right wall frame 12 are assembled by a plurality of 'well' -shaped wall frame units 3 respectively along the horizontal direction and the vertical direction, the 'well' -shaped wall frame units 3 comprise two bearing columns 31 which are arranged in parallel and a plurality of connecting beams 32 which are welded between the two bearing columns 31, any two adjacent bearing columns 31 in the horizontal direction are welded together relatively through at least two connecting clamp plates 4, and the splicing positions of any two adjacent bearing columns 31 in the vertical direction are connected with connecting lug plates 5 through bolts.
Preferably, the bearing column 31 is made of section steel with an H-shaped cross section, two sides of the connecting clamping plate 4 are respectively welded at the edge of the opening end of the bearing column 31, and the connecting lug plate 5 is fixed on the inner wall of the bearing column 31 through bolts. The edge of the connecting lug plate 5 is also welded with the inner wall of the bearing column 31 into a whole. The number of the bolts used on each connecting lug plate 5 is not less than 18. The length of the connecting ear plate 5 is 450mm to 580 mm. The thickness of the connecting ear plate 5 is not less than 10 mm. The connecting beam 32 is made of section steel having an "H" shaped cross section. The distance between any two adjacent connecting beams 32 is 1400mm to 3300 mm. The length of the connecting beam 32 is less than 3000 mm. The thickness of the connecting splint 4 is not less than 10 mm.
By adopting the technical scheme of the invention, each structural component forming a large-scale factory building is divided into a plurality of small structural components, the structural components comprise wall frame units, hollow roof combined beam frames and the like, the structural components can be processed in advance, the manufacturing precision of the structural components is favorably improved, a foundation is laid for improving the construction quality, when the factory building is built, the structural components are spliced together, the construction process is greatly simplified, the construction efficiency is improved, when the structural components are spliced and connected, the connecting structural components such as connecting splints, connecting lug plates and the like are additionally arranged, so that the connecting contact area of two adjacent steel structure framework units at the connecting part is increased, the integral structural strength and the bearing capacity of a steel structure wall body are greatly enhanced, on the other hand, when the hollow roof combined beam frames are laid, corresponding assembling guide lines are selected according to the field condition for assembling according to the sequence, the assembling precision is ensured, the hoisting vehicle does not need to move repeatedly, and the installation of all the hollow roof combined beam frames can be completed only by paving once along a preset paving route, so that the efficiency is greatly improved.
Claims (9)
1. A construction method of an assembled bearing steel structure factory building framework is characterized in that: the method comprises the following steps:
the method comprises the following steps: erecting a wall frame (1): a front wall frame, a rear wall frame (11), a left wall frame and a right wall frame (12) are erected on the ground, so that the front wall frame, the rear wall frame (11), the left wall frame and the right wall frame (12) surround on the ground to form a closed rectangular wall frame (1);
step two: preparing an open-web roof combined beam frame (2): preparing a plurality of hollow roof combined beam frames (2) according to the outer contour size of the wall frame (1) in the step one, wherein each hollow roof combined beam frame (2) consists of two diagonal longitudinal beams (21) which are arranged in parallel and a plurality of diagonal cross beams (22) welded between the two diagonal longitudinal beams (21);
step three: hoisting the hollow roof combined beam frame: selecting one diagonal line of the top surface of the wall frame (1) in the step one as an assembly guide line, sequentially assembling the hollow roof combined beam frame (2) in the step two on the top surface of the wall frame (1) along the direction of the assembly guide line, enabling one end of the hollow roof combined beam frame (2) to be welded and fixed on the front wall frame and the rear wall frame (11), and enabling the other end of the hollow roof combined beam frame (2) to be welded and fixed on the left wall frame and the right wall frame (12);
wall frame (12) are assembled respectively along horizontal direction and vertical direction by a plurality of "well" style of calligraphy wall frame unit (3) about, and are constituteed, "well" style of calligraphy wall frame unit (3) include two parallel arrangement's heel post (31) and weld in many tie-beams (32) between two heel posts (31), weld relatively each other through two piece at least splice plate (4) between arbitrary adjacent two heel posts (31) on the horizontal direction together, have connection otic placode (5) through bolted connection in arbitrary adjacent two heel posts (31) concatenation department on the vertical direction.
2. The construction method of the spliced load-bearing steel structure factory building skeleton according to claim 1, characterized in that: in the third step, the process of hoisting the hollow roof combined beam frame (2) further comprises the following steps:
step 1: selecting four corners on the hollow roof combined beam frame (2) as control points, and binding a traction rope on each control point respectively;
step 2: hoisting the hollow roof combined beam frame (2) by a crane, and applying appropriate acting force to each regulation and control point by the traction rope in the step 1 in the hoisting process of the hollow roof combined beam frame (2) to keep the hollow roof combined beam frame (2) in a horizontal posture in the hoisting process;
and step 3: and after the hollow roof combined beam frame (2) is arranged on the top surface of the wall frame (1), the hemp ropes are removed.
3. The construction method of the spliced load-bearing steel structure factory building skeleton according to claim 2, characterized in that: the hauling rope is a hemp rope.
4. The construction method of the spliced load-bearing steel structure factory building skeleton according to claim 1, characterized in that: the diagonal draw longitudinal beams (21) are vertically crossed with the diagonal draw transverse beams (22).
5. The construction method of the spliced load-bearing steel structure factory building skeleton according to claim 1, characterized in that: in the same hollow roof combined beam frame (2), the distance between any two adjacent diagonal draw crossbeams (22) is equal.
6. The construction method of the spliced load-bearing steel structure factory building skeleton according to claim 1, characterized in that: the bearing column (31) is made of section steel with an H-shaped cross section, two sides of the connecting clamping plate (4) are respectively welded at the edge of the opening end of the bearing column (31), and the connecting lug plate (5) is fixed on the inner wall of the bearing column (31) through bolts.
7. The construction method of the spliced load-bearing steel structure factory building skeleton according to claim 6, characterized in that: the edge of the connecting lug plate (5) is welded with the inner wall of the bearing column (31) into a whole.
8. The construction method of the spliced load-bearing steel structure factory building skeleton according to claim 5, characterized in that: the connecting beam (32) is made of section steel with the H-shaped cross section.
9. The construction method of the spliced load-bearing steel structure factory building skeleton according to claim 5, characterized in that: the distance between any two adjacent connecting beams (32) is 1400 mm-3300 mm.
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| ES2230921B1 (en) * | 1999-03-09 | 2006-08-01 | Ricardo F. Fernandez Suarez | REMOVABLE INDUSTRIAL SHIP WITH THERMAL INSULATION. |
| KR200426512Y1 (en) * | 2006-06-20 | 2006-09-19 | 성우기술개발(주) | Fabricated panel supporter |
| CN201943183U (en) * | 2011-02-25 | 2011-08-24 | 大连市市政设计研究院有限责任公司 | Inclined cross frame beam |
| CN102677821B (en) * | 2012-05-10 | 2014-11-12 | 杨东佐 | Composite wallboard and combined wallboard |
| CN105040986A (en) * | 2015-05-29 | 2015-11-11 | 河南鸿宇工业装备工程有限公司 | Modular mounting technology for steel-structure door type frame roof system |
| CN207121990U (en) * | 2017-07-28 | 2018-03-20 | 邯郸市曙光新型建材科技有限公司 | A kind of assembly concrete individual layer garage of Fast Installation |
| CN108518029A (en) * | 2018-03-30 | 2018-09-11 | 贵州建工集团第建筑工程有限责任公司 | A kind of assembly construction technology of steel skeleton light-duty roofing |
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