CN112681791A - Expansion joint structure of steel structure factory building and construction method thereof - Google Patents
Expansion joint structure of steel structure factory building and construction method thereof Download PDFInfo
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- CN112681791A CN112681791A CN202011479063.1A CN202011479063A CN112681791A CN 112681791 A CN112681791 A CN 112681791A CN 202011479063 A CN202011479063 A CN 202011479063A CN 112681791 A CN112681791 A CN 112681791A
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Abstract
The invention discloses an expansion joint structure of a steel structure factory building and a construction method thereof, wherein the method comprises the following steps: brackets are respectively arranged on the upper chord and the lower chord of the truss at the expansion node; mounting a purlin frame on the bracket, forming a frame hole in the middle of the purlin frame, and reserving an expansion node connection point inside the frame hole; wall panels are arranged on the periphery of the outer part of the frame opening, and detachable wall panels are arranged inside the frame opening; and expanding connection is carried out on the connection points in the frame opening by dismantling the detachable wall plate. Aiming at the technical short plate of the method for expanding construction of the steel structure, the invention effectively solves the construction difficulty of expanding construction of the steel structure factory building by adjusting construction thoughts and method innovations and adopting a novel construction process, reduces the influence of expanding construction on the old factory building to the minimum, improves the speed and quality of dismantling and modifying construction, and reduces construction cost and safety risk.
Description
Technical Field
The invention belongs to the field of building construction, relates to the field of construction of various steel structure plants, and particularly relates to an expansion joint structure of a steel structure plant and a construction method thereof.
Background
Along with the rapid development of society, the material life of people is continuously improved, and in order to meet the continuously improved requirements of people, manufacturers of various products continuously expand the productivity. For example, in an automobile manufacturing plant, in order to meet the demand and supply requirements and improve the production capacity, the plant is often expanded on the original basis; because of traditional construction technology is at the factory building extension in-process, it is loaded down with trivial details and often need carry out a large amount of protections, welding, tear open and change the operation to original drawing paper reexamination, to the check and the inspection process of present node when the extension protection construction, not only can increase a large amount of tear open and change expense, conflagration hidden danger but also can influence the construction production work of former factory building.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, provides a construction method of an expansion joint of a steel structure factory building and an expansion joint structure of the steel structure factory building, and can effectively solve the problems of safe production and technical quality of expansion construction of the steel structure factory building.
The invention provides a construction method of an expansion joint of a steel structure factory building, which comprises the following steps:
brackets are respectively arranged on the upper chord and the lower chord of the truss at the expansion node;
mounting a purlin frame on the bracket, forming a frame hole in the middle of the purlin frame, and reserving an expansion node connection point inside the frame hole;
wall panels are arranged on the periphery of the outer part of the frame opening, and detachable wall panels are arranged inside the frame opening;
and expanding connection is carried out on the connection points in the frame opening by dismantling the detachable wall plate.
As an implementation mode of the construction method, two brackets are respectively arranged on the upper chord and the lower chord of the truss at the expansion joint, and the four brackets are distributed at four corner positions outside the connection point of the expansion joint in a rectangular shape.
As an embodiment of the construction method, the bracket is fixedly connected with L-shaped angle steel, the purline frame comprises a rectangular purline, and four corners of the rectangular purline are bolted with the L-shaped angle steel on the four brackets respectively.
As an implementation mode of the construction method, the width of the rectangular purline is that the connection point of the reserved expansion joint at the upper part is not less than 200mm outwards, and the height of the rectangular purline is that the connection point of the reserved expansion joint at the upper part and the lower part is not less than 400mm outwards.
As an embodiment of the construction method, the purlin frame further comprises a vertical purlin which is vertically and outwards connected and fixed at the middle position of the upper part and the lower part of the rectangular purlin.
As an implementation mode of the construction method, the detachable wall board is fixed with the rectangular purline through self-tapping screws and is adjacent to the wall panel, rock wool is filled in a gap between the wall panel and the detachable wall board, an edge folding board is connected to the outer side of the rock wool, and the gap is sealed through the edge folding board.
As an implementation mode of the construction method, the surface center of the rectangular purline is connected with a circle of channel steel through angle steel, one side of the angle steel is bolted with the rectangular purline, the other side of the angle steel is bolted with the channel steel, and the detachable wallboard is fixedly connected with the channel steel through the self-tapping screws.
In an embodiment of the construction method of the present invention, the wall panel is fixedly connected to the channel steel by a tapping screw.
The second aspect of the present invention provides an expansion joint structure of a steel structure factory building, which includes:
the corbels are respectively arranged on the upper chord and the lower chord of the truss at the expansion node;
the purline frame is arranged on the bracket, a frame hole is formed in the middle of the purline frame, and an expansion node connecting point is reserved inside the frame hole;
the wall panel is arranged on the periphery of the outer part of the frame opening;
and the detachable wallboard is detachably installed inside the frame opening.
As an implementation mode of the structure, the purlin frame comprises rectangular purlins and vertical purlins, and the vertical purlins are connected and fixed at the middle positions of the upper portions and the lower portions of the rectangular purlins in a vertically outward mode.
Due to the adoption of the technical scheme, the invention has the beneficial effects that:
(1) from the safety point of view: the procedures of all welding and a large amount of high-altitude operation are eliminated, and the potential safety hazards of fire and falling are greatly reduced;
(2) from a quality point of view: the detachable wall plate is arranged at the hole, so that the positioning is more accurate, the material is saved, the construction process is simplified, the purline frame and the bracket can be processed and formed at one time by a factory, the spraying is finished at one time, and the quality is better;
(3) from the point of view of progress: the working of drilling holes and measuring and arranging trusses at the joint span is not required to be carried out until the protection erection of the inner side of the original factory building is finished, so that the construction period can be saved;
(4) from an economic point of view: the working procedures of protection operation, disassembly and modification operation, welding operation and secondary spraying are omitted, and a large amount of material lease and labor cost can be saved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an exemplary front face of the expansion joint structure of the steel structure factory building.
Fig. 2 is a schematic side view of an exemplary expansion joint structure of a steel structure factory building.
Fig. 3 is a schematic top view of an exemplary expansion joint structure of a steel structure factory building according to the present invention.
Fig. 4 is an exemplary top view of the connection point of the wall plate and the purlin in the expansion joint structure of the steel structure factory building.
The correspondence of the labels in the figure is as follows:
1-a truss; 2-bracket; 3-L-shaped angle steel; 4-rectangular purlines; 5-vertical purlines; 6-reserving an expansion node connection point at the upper part; 7-reserving an expansion node connection point at the lower part; 8-a wall panel; 9-removable wall panels; 10-edge folding plate; 11-polyurethane glue; 12-rock wool; 13-self-tapping screws; 14-insulating spacer.
Detailed Description
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
In the description of the present invention, it should be noted that, as the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. appear, their indicated orientations or positional relationships are based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" as appearing herein are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" should be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Aiming at the technical short plate of the existing steel structure expansion construction method, the invention effectively solves the construction difficulty of the expansion construction of the steel structure factory building by adjusting the construction thought and method innovation and adopting a novel construction process, reduces the influence of the expansion construction on the old factory building to the minimum, improves the speed and quality of the dismantling construction, and reduces the construction cost and the safety risk.
The technical solution of the present invention will be described in detail with reference to the accompanying drawings in conjunction with embodiments.
Referring to fig. 1 to 4, the embodiment of the invention provides a construction method of an expansion joint of a steel structure factory building and an expansion joint structure of the steel structure factory building, which can effectively solve the problems of safety production and technical quality of expansion construction of the steel structure factory building.
The invention provides a construction method of an expansion joint of a steel structure factory building, which mainly comprises the following steps:
step one, two brackets 2 are additionally arranged on the upper chord and the lower chord of the truss 1 at the expansion node respectively, the design is deepened in advance, and the truss is processed and formed in one step in a factory.
And step two, mounting a purlin frame on the bracket 2, forming a frame opening in the middle of the purlin frame, reserving expansion joint connection points in the frame opening, wherein the expansion joint connection points comprise an upper reserved expansion joint connection point 6 and a lower reserved expansion joint connection point 7, accurately covering the upper and lower chord reserved expansion connectors of the truss by the purlin frame, and reserving a working surface required by expansion joint connection. Wherein, the purlin frame includes a rectangle purlin 4 and a vertical purlin 5, and the vertical intermediate position who is fixed in rectangle purlin 4 upper portion is connected outwards to vertical purlin 5, and rectangle purlin 4 and vertical purlin 5 deepening design in advance are by mill's one shot forming, during the installation with L type angle steel 3 on the bracket 2 bolt.
And step three, installing wall panels 8 around the outside of the frame opening, installing detachable wall panels 9 inside the frame opening, wherein the wall panels 8 and the detachable wall panels 9 are tightly connected along the peripheries of the rectangular purlines 4, when the wall panels are expanded and connected, the detachable wall panels 9 can be directly disassembled along the inner sides of the rectangular purlines 4, secondary positioning and checking are not needed, and meanwhile the rectangular purlines 4 and the vertical purlines 5 can also be used for fixing the wall panels 8.
And fourthly, performing extension connection on the connection point in the opening of the frame by dismantling the detachable wall plate 9.
Because the frame hole reserved in the purlin frame is temporarily plugged by the detachable wall plate 9, the detachable wall plate 9 can be directly detached when extension connection is carried out, and the arrangement of the truss at the joint span and production work can be carried out after the detachable wall plate 9 is detached; during production after the truss at the joint span is arranged into the ruler, the detachable wall plate 9 is installed, and polyurethane waterproof sealing is adopted again. And after the connected truss enters the field, the detachable wall plate 9 at the frame opening is detached again, the frame opening in the rectangular purline 4 is bolted with the reserved connection point, and the connection point can be reserved with a connection plate which is connected with the truss in an expansion way.
Specifically, in the present embodiment, two corbels 2 are provided on the upper chord and the lower chord of the truss 1 at the expansion joint, respectively, and four corbels 2 are distributed in a rectangular shape at four corner positions outside the expansion joint connection point. The width of the rectangular purline 4 is that the upper reserved expansion joint connecting point 6 is not less than 200mm outwards, and the height is that the upper reserved expansion joint connecting point and the lower reserved expansion joint connecting point are not less than 400mm outwards.
L-shaped angle steel 3 is fixedly connected to the bracket 2, and four corners of the rectangular purline 4 are bolted to the L-shaped angle steel 3 on the four brackets 2 respectively. As shown in the third figure, two brackets 2 are arranged on the upper chord of the truss at the expansion joint, an L-shaped angle steel 3 is respectively welded on the side of each bracket 2 which deviates from the other side, one side of each L-shaped angle steel 3 is attached and welded to the side surface of the corresponding bracket 2, and the other side of each L-shaped angle steel 3 is bolted to the rectangular purline 4 through bolts or screws.
As shown in fig. 4, can dismantle wallboard 9 and fix and border on with rectangular purlin 4 through self-tapping screw 13, and the gap intussuseption between wallboard 8 and the removable wallboard 9 is filled with rock wool 12, and the outside of rock wool 12 is connected with receipts sideboard 10, receives sideboard 10 because seal wallboard 8 and can dismantle the gap between wallboard 9 to and take over the limit effect to wallboard 8 and removable wallboard 9, can demolish when dismantling wallboard 9.
Further, put in the surperficial central point of rectangle purlin 4 and be connected with the round channel-section steel through the angle steel, one side and the rectangle purlin 4 of angle steel carry out the bolt, and the opposite side and the channel-section steel of angle steel carry out the bolt, can dismantle wallboard 9 and pass through self-tapping screw 13 and channel-section steel fixed connection, fill up on the surface of channel-section steel and can dismantle between wallboard 9 and be equipped with one deck heat insulating gasket 14. Shingle nail 8 adopts other self-tapping screw 13 and channel-section steel fixed connection, and thermal-insulated gasket 14 pads simultaneously and establishes between channel-section steel and shingle nail 8. Can realize demolising from rectangle purlin 4 and dismantle wallboard 9 through removing the bolt joint between dismantling wallboard 9 and the channel-section steel.
During installation, the self-tapping screws 13 penetrate through the heat insulation gaskets 14 to be fixed with the rectangular purlines 4, then rock wool 12 is added between the wall panel 8 and the detachable wall panel 9, then the self-tapping screws 13 penetrate through the edge folding plates 10 and the heat insulation gaskets 14 to be fixed with the rectangular purlines 4, polyurethane glue 11 is filled on the inner sides of the edge folding plates 10 to be plugged, and the effects of temporary wind prevention, dust prevention and water prevention are achieved.
The invention provides a steel structure factory building expansion joint structure in the construction method of the steel structure factory building expansion joint of the embodiment, which mainly comprises four brackets 2, a purlin frame, a wall panel 8 and a detachable wall panel 9, wherein the number of the brackets 2 is four, the brackets are distributed on the upper chord and the lower chord of a truss at the expansion joint in a rectangular shape, and the upper chord and the lower chord are respectively provided with two brackets 2. The purlin frame includes rectangle purlin 4 and vertical purlin 5, and the vertical intermediate position of being fixed in the upper and lower part of rectangle purlin 4 of outwards connecting of vertical purlin 5, and rectangle purlin 4 carries out the bolt with L type angle steel 3 on the bracket, and the middle part of rectangle purlin 4 forms the frame entrance to a cave, and the inside reservation of this frame entrance to a cave has the extension node tie point, reserves extension node tie point 6 and lower part including upper portion and reserves extension node tie point 7. The width of the rectangular purline 4 is that the upper reserved expansion joint connecting point 6 is not less than 200mm outwards, and the height is that the upper reserved expansion joint connecting point and the lower reserved expansion joint connecting point are not less than 400mm outwards. The shingle 8 is installed around the outside of frame entrance to a cave and is fixed connection with vertical purlin 5. The detachable wall plate 9 is detachably mounted in the middle of the rectangular purline 8 to block the frame hole.
Compared with the prior art, the construction process of the expansion joint of the steel structure factory building has outstanding advantages in the aspects of safety management, quality management, progress management and cost management.
The process comparison of the traditional industry and the new process is as follows:
1. the traditional construction process comprises the following steps: during secondary extension, the following preparation work is needed for ensuring the safe production and the connection quality of the original factory building:
1) firstly, an integral sealing protection frame with the height from the plant ground to the lower chord of a main truss and the length of the whole extension length is erected on the inner side of an original factory building, fireproof cloth is hung on the outer side of the protection frame to achieve the fireproof and dustproof effects, and then welding operation is carried out on the inner side of the protection frame;
2) the welding operation comprises the steps of welding brackets on the main truss again, manufacturing wall purlin keels and welding the wall purlin keels and the brackets again, and welding the newly manufactured purlin keels and the original wall purlins;
3) then, fixing the wallboard and the newly manufactured keel frame, and removing the original wallboard expansion area keel;
4) and (4) drilling holes in the wall plate, and performing cross-over and cross-over, and measuring and scheduling production of the new truss.
5) And at the joint span, during the production period of the truss row ruler, the hole of the wallboard is plugged by a sheet iron, and the self-adhesive waterproof coiled material is stuck on the outer side of the sheet iron, so that the temporary wind-proof, dust-proof and waterproof effects are achieved.
6) And after the connected truss enters a field, removing the temporary self-adhesive waterproof and protective iron sheet at the hole, and bolting the temporary self-adhesive waterproof and protective iron sheet with the reserved connecting plate through the frame hole.
7) And after the expansion connection, spraying fireproof and anticorrosive paint for newly welding the bracket and the truss.
8) And (5) dismantling and cleaning the protective frame.
2. The new process comprises the following steps: during secondary extension, the following construction needs to be carried out:
1) can directly dismantle wallboard and demolish work in the frame hole that the purlin frame inboard was reserved, carry out the row chi and the production work of handing-over new truss of crossing department.
2) Connect and stride the department, during the production behind the truss platoon chi, can install the wallboard of dismantling once more and go on the waterproof shutoff of polyurethane, reach waterproof, prevent wind, dirt-proof effect, practice thrift construction material and wholeness can be better.
6) And after the connected truss enters the field, the detachable wall plate is detached again, and the detachable wall plate is bolted with the reserved connecting plate through the frame hole of the purline frame.
Therefore, the method comprises the following steps: after the invention is adopted, the construction of the expansion joint of the steel structure factory building has the following advantages:
from the safety point of view: the procedures of all welding and a large amount of high-altitude operation are eliminated, and the potential safety hazards of fire and falling from high altitude are greatly reduced.
From a quality point of view: the opening of a hole sets up can dismantle the wallboard, and the location is more accurate, more material saving, simplifies the construction process, and rectangle purlin frame and bracket are accomplished by mill one shot forming, once spraying moreover, and the quality is better.
From the point of view of progress: the work of drilling holes, measuring scales of the trusses at the joints and arranging yards is not required to be carried out until the protection erection of the inner side of the original factory building is finished, and the construction period can be saved.
From an economic point of view: the working procedures of protection operation, disassembly and modification operation, welding operation and secondary spraying are omitted, and a large amount of material lease and labor cost can be saved.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; the modifications or substitutions do not cause the essence of the corresponding technical solutions to depart from the scope of the technical solutions of the embodiments of the present invention, and are all included in the scope of the present invention.
The techniques, shapes, and configurations not described in detail in the present invention are all known techniques.
Claims (10)
1. A construction method of an expansion joint of a steel structure factory building is characterized by comprising the following steps:
brackets are respectively arranged on the upper chord and the lower chord of the truss at the expansion node;
mounting a purlin frame on the bracket, forming a frame hole in the middle of the purlin frame, and reserving an expansion node connection point inside the frame hole;
wall panels are arranged on the periphery of the outer part of the frame opening, and detachable wall panels are arranged inside the frame opening;
and expanding connection is carried out on the connection points in the frame opening by dismantling the detachable wall plate.
2. The construction method of the expansion joint of the steel structure factory building, as claimed in claim 1, is characterized in that two brackets are respectively arranged on the upper chord and the lower chord of the truss at the expansion joint, and four brackets are distributed at four corner positions outside the connection point of the expansion joint in a rectangular shape.
3. The construction method of the steel structure factory building expansion joint according to claim 2, wherein L-shaped angle steel is fixedly connected to the bracket, the purline frame comprises a rectangular purline, and four corners of the rectangular purline are bolted to the L-shaped angle steel on the four brackets respectively.
4. The construction method of the expansion joint of the steel structure factory building, as claimed in claim 3, wherein the width of the rectangular purlin is that the connection point of the reserved expansion joint at the upper part is not less than 200mm, and the height is that the connection point of the reserved expansion joint at the upper part and the reserved expansion joint at the lower part is not less than 400 mm.
5. The construction method of the steel structure plant expansion joint as claimed in claim 4, wherein the purlin frame further comprises a vertical purlin which is vertically and outwardly connected and fixed to the middle position of the upper portion and the lower portion of the rectangular purlin.
6. The construction method of the steel structure factory building expansion joint according to claim 5, wherein the detachable wall plate is fixed to the rectangular purlin by self-tapping screws and is adjacent to the wall plate, rock wool is filled in a gap between the wall plate and the detachable wall plate, a side folding plate is connected to the outer side of the rock wool, and the gap is sealed by the side folding plate.
7. The construction method of the steel structure factory building expansion joint according to claim 6, wherein a circle of channel steel is connected to the surface center position of the rectangular purline through an angle steel, one side of the angle steel is bolted to the rectangular purline, the other side of the angle steel is bolted to the channel steel, and the detachable wall plate is fixedly connected to the channel steel through the self-tapping screws.
8. The construction method of the steel structure plant expansion joint as claimed in claim 7, wherein the wall panel is fixedly connected with the channel steel by self-tapping screws.
9. The utility model provides a steel construction factory building extension node structure which characterized in that includes:
the corbels are respectively arranged on the upper chord and the lower chord of the truss at the expansion node;
the purline frame is arranged on the bracket, a frame hole is formed in the middle of the purline frame, and an expansion node connecting point is reserved inside the frame hole;
the wall panel is arranged on the periphery of the outer part of the frame opening;
and the detachable wallboard is detachably installed inside the frame opening.
10. The steel structure plant expansion joint structure as claimed in claim 9, wherein the purlin frame comprises rectangular purlins and vertical purlins, and the vertical purlins are connected and fixed to the rectangular purlins at the middle positions of the upper and lower portions of the vertical purlins in a vertically outward manner.
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| CN202011479063.1A CN112681791B (en) | 2020-12-15 | 2020-12-15 | Expansion joint structure of steel structure factory building and construction method thereof |
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| CN202011479063.1A CN112681791B (en) | 2020-12-15 | 2020-12-15 | Expansion joint structure of steel structure factory building and construction method thereof |
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| CN112681791B CN112681791B (en) | 2022-07-12 |
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| CN111719738A (en) * | 2020-05-15 | 2020-09-29 | 中国建筑第八工程局有限公司 | Detachable exterior wall plate construction method |
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| JPH1162265A (en) * | 1997-08-18 | 1999-03-05 | Takenaka Komuten Co Ltd | Aseismatic reinforcing method of existing building |
| US20130019562A1 (en) * | 2010-02-03 | 2013-01-24 | Manuel Darryl F | Method for repairing concrete surfaces |
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| CN210195053U (en) * | 2019-03-28 | 2020-03-27 | 福建七建集团有限公司 | Prefabricated plate and steel construction connected node |
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