CN113279491A - Expansion joint connecting plate for large-span reticulated shell roof panel and construction method - Google Patents
Expansion joint connecting plate for large-span reticulated shell roof panel and construction method Download PDFInfo
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- CN113279491A CN113279491A CN202110641590.6A CN202110641590A CN113279491A CN 113279491 A CN113279491 A CN 113279491A CN 202110641590 A CN202110641590 A CN 202110641590A CN 113279491 A CN113279491 A CN 113279491A
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- connecting plate
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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
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/66—Sealings
- E04B1/68—Sealings of joints, e.g. expansion joints
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D13/00—Corrugating sheet metal, rods or profiles; Bending sheet metal, rods or profiles into wave form
- B21D13/02—Corrugating sheet metal, rods or profiles; Bending sheet metal, rods or profiles into wave form by pressing
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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
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/66—Sealings
- E04B1/68—Sealings of joints, e.g. expansion joints
- E04B1/6803—Joint covers
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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
- E04B7/08—Vaulted roofs
- E04B7/10—Shell structures, e.g. of hyperbolic-parabolic shape; Grid-like formations acting as shell structures; Folded structures
- E04B7/102—Shell structures
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D3/00—Roof covering by making use of flat or curved slabs or stiff sheets
- E04D3/24—Roof covering by making use of flat or curved slabs or stiff sheets with special cross-section, e.g. with corrugations on both sides, with ribs, flanges, or the like
- E04D3/30—Roof covering by making use of flat or curved slabs or stiff sheets with special cross-section, e.g. with corrugations on both sides, with ribs, flanges, or the like of metal
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D3/00—Roof covering by making use of flat or curved slabs or stiff sheets
- E04D3/36—Connecting; Fastening
- E04D3/3605—Connecting; Fastening of roof covering supported directly by the roof structure
- E04D3/3606—Connecting; Fastening of roof covering supported directly by the roof structure the fastening means being screws or nails
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D3/00—Roof covering by making use of flat or curved slabs or stiff sheets
- E04D3/36—Connecting; Fastening
- E04D3/365—Connecting; Fastening by simple overlapping of the marginal portions with use of separate connecting elements, e.g. hooks or bolts for corrugated sheets
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Roof Covering Using Slabs Or Stiff Sheets (AREA)
Abstract
The invention relates to a large-span reticulated shell roof panel expansion joint connecting plate and a construction method thereof, wherein the expansion joint connecting plate comprises a deformation area, transition areas are arranged on two sides of the deformation area, connecting areas are arranged on two sides of the transition areas, the deformation area, the transition areas and the connecting areas respectively comprise a plurality of waveforms, the waveforms are sequentially connected to form a waveform plate, the waveform height of the deformation area is greater than the waveform height of the transition areas and the waveform height of the connecting areas, and the waveform height of the connecting areas is consistent with the waveform height of a roof panel. During construction, the structure and the size of the expansion joint connecting plate are determined according to the calculated deformation, and the waveform height of the middle part is increased on the basis of the roof panel to form a deformation area. The roof boarding is installed at present during installation, and then the expansion joint connecting plate is installed at the position reserved at the expansion joint. The invention is not easy to damage, has low cost, is convenient to install and use, and avoids frequent maintenance, thereby reducing the safety risk and the maintenance cost.
Description
Technical Field
The invention relates to an expansion joint connecting structure, in particular to a large-span reticulated shell roof panel expansion joint connecting plate and a processing construction method.
Background
The latticed shell (frame) structure is a flexible structure, one deck roof boarding has been laid at the latticed shell top, the roof boarding is the wave plate, because latticed shell structure expend with heat and contract with cold deformation, wind-force disturbance and self regularity rock frequently, especially can take place great displacement deformation in the expansion joint department of latticed shell, need to take place the connecting plate of deformation in expansion joint department installation, current expansion joint connecting plate version all is A style of calligraphy basically, suppress with the flat board, through aluminium rivet fixed connection, to the latticed shell structure of large-span, because the deformation volume of latticed shell expansion joint department is big, and the deformation volume and the intensity of connecting plate can not reach operation requirement, easily tear, damage. The length of the A-shaped connecting plate is generally only 2 to 3 meters long, a plurality of connecting plates are needed to be lapped, the large-span latticed shell structure is an arc-shaped surface, the height is about 45 to 55 meters, and the expansion joint connecting plate is difficult to maintain and high in danger after being damaged. The A-shaped connecting plate needs to be processed by independent equipment, the processing cost is high, the shape difference between the A-shaped connecting plate and the roof panel is large, the installation is inconvenient, and the attractiveness of the appearance of the latticed shell structure is affected.
Disclosure of Invention
The invention aims to provide a large-span reticulated shell roof panel expansion joint connecting plate, which solves the problems that the existing large-span reticulated shell structure expansion joint connecting plate cannot meet the requirements on strength and deformation and is easy to tear and damage.
The invention also aims to provide a construction method of the expansion joint connecting plate of the large-span reticulated shell roof panel, which solves the problems that the expansion joint connecting plate of the existing large-span reticulated shell structure is easy to tear and damage, inconvenient to construct, high in cost and not beautiful enough.
One of the objects of the invention is achieved by: the utility model provides a large-span box-like shell roof boarding expansion joint connecting plate, includes the deformation zone the both sides in deformation zone are equipped with the transition zone the both sides in transition zone are equipped with the joining region, deformation zone, transition zone and joining region contain a plurality of wave forms and wave form respectively and connect gradually and form the wave form board, the width of the wave form of deformation zone, transition zone and joining region is unanimous and the width of the wave form of roof boarding, the height of deformation zone wave form is greater than the height of transition zone wave form and the height of joining region wave form, the height of the wave form of joining region and the wave form height of roof boarding are unanimous.
The transition zones on both sides and the connecting zones on both sides are respectively symmetrical with respect to the deformation zone.
The number of the wave forms of the deformation area is at least 3, and the number of the wave forms of the connection area is at least two.
The second purpose of the invention is realized by the following steps: a construction method for an expansion joint connecting plate of a large-span reticulated shell roof panel comprises the following steps.
a. According to the atress deformation of reticulated shell structure, calculate the maximum deflection of expansion joint department, on the basis of roof boarding, the high design of adjustment part wave form forms the expansion joint connecting plate, the expansion joint connecting plate includes the deformation region the both sides in deformation region are equipped with the transition region the both sides in transition region are equipped with the joining region, deformation region, transition region and joining region contain a plurality of wave forms and wave form board that connects gradually respectively, the width of the wave form of deformation region, transition region and joining region is unanimous and unanimous with the width of the wave form of roof boarding, the height of deformation region wave form is greater than the height of transition region wave form and the height of joining region wave form, the height of the wave form of joining region and the wave form height of roof boarding are unanimous.
b. The method comprises the steps of transforming a plate pressing machine for processing the roof panel, adjusting a plurality of roller groups on the rear half part of the plate pressing machine according to the structure of an expansion joint connecting plate, replacing part of rollers on the roller groups, enabling the middle parts of the roller groups to correspond to a deformation area, enabling the two end parts to correspond to connecting areas, and enabling the parts between the deformation area and the connecting areas to correspond to a transition area.
c. And (3) sequentially passing the metal plate consistent with the processed roof plate through each roller group of the reformed plate pressing machine, and gradually deforming the metal plate under the rolling action of the roller groups to finally obtain the required expansion joint connecting plate.
d. The installation positions of the roof panels on two sides of the expansion joint are determined according to the actual width dimension of the expansion joint connecting plate, so that the connecting areas on two ends of the expansion joint connecting plate can be respectively lapped with the roof panels.
e. And (3) mounting the roof panels, reserving a distance for mounting the expansion joint connecting plate at the position of the expansion joint, fixing the roof panels on the purlines through screws, and unfixed end parts, close to the expansion joint, of the roof panels on two sides of the expansion joint.
f. The expansion joint connecting plate is installed from bottom to top along two sides of the span direction of the reticulated shell structure, the connecting areas at two ends of the expansion joint connecting plate are respectively lapped with the end parts of the roof panels at two sides of the expansion joint, screws are connected in the connecting areas of the expansion joint connecting plate in a penetrating manner, and screws are connected in the junction of the connecting areas and the transition area and in the junction of the deformation area and the transition area in a penetrating manner, so that the expansion joint connecting plate is fixed on the expansion joint.
In the step b, 10 groups of rolling groups are arranged in the plate pressing machine, a plurality of rollers in the middle of the lower roller shaft of the 6 th to 8 th groups of rolling groups of the plate pressing machine are replaced by large rollers with the diameter larger than that of the original rollers, a plurality of rollers in the middle of the upper roller shaft and the lower roller shaft of the 9 th and 10 th groups of rolling groups of the plate pressing machine are replaced by continuous rollers respectively, and the diameter of each continuous roller is larger than that of the replaced roller.
The roof board is a corrugated board with consistent corrugated spacing, and the height of the corrugations on both sides of the roof board is greater than that of the corrugations in the middle of the roof board.
The screw is threaded at the wave trough.
The expansion joint connecting plate of the large-span reticulated shell roof panel is provided with a deformation area, a transition area and a connecting area, the deformation area spans over the expansion joint by connecting the connecting area and the roof panel, the deformation generated by the expansion joint is completely born by the deformation area, a plurality of waveforms in the deformation area are deformed along with the expansion joint, and the deformation is born by a plurality of waveforms together, and the waveform height of the deformation area is larger, so that the large deformation amount can be born. The expansion joint connecting plate can bear the great deformation of large-span latticed shell structure in expansion joint department, avoids because deformation leads to tearing and the damage of expansion joint connecting plate, prevents the destruction of expansion joint connecting plate surface paint film, guarantees the life and the aesthetic property of expansion joint connecting plate.
In the construction method of the expansion joint connecting plate of the large-span reticulated shell roof panel, the expansion joint connecting plate is processed by using the plate pressing machine for processing the roof panel, and part of rollers on the plate pressing machine are replaced, so that the expansion joint connecting plate with the same wave-shaped width as the roof panel is obtained, has good deformation bearing capacity, can bear the deformation of the expansion joint after being installed on the expansion joint, and cannot be torn or damaged. Because the wave form width of expansion joint connecting plate and roof boarding is unanimous, can be firm combination between the two, and have unified outward appearance, make the whole of cell-shell structure pleasing to the eye. The expansion joint connecting plate is installed and has good anti-wind, anti deformation performance in expansion joint department, and is not fragile, and fault rate and repair rate are low, durable, and the practicality is strong. Is suitable for various large-span reticulated shell structures.
The invention is not easy to damage, has low cost, is convenient to install and use, and avoids frequent maintenance, thereby reducing the safety risk and the maintenance cost.
Drawings
Fig. 1 is a schematic view of the installation of the expansion joint connecting plate of the present invention.
Fig. 2 is a schematic structural view of the roof panel of the invention.
Fig. 3 is a schematic view of the roofing panel press of the present invention.
FIG. 4 is a schematic view of the present invention for the replacement of the roller of the press machine.
In the figure: 1. an expansion joint connecting plate; 2. a roof panel; 3. a purlin; 4. an expansion joint; 5. a screw; 6. rolling and assembling; 7. an upper roll shaft; 8. a lower roll shaft; 9. a roller; 10. a continuous roller; 1-1, a deformation zone; 1-2, transition zone; 1-3, a linking region.
Detailed Description
As shown in figure 1, the expansion joint connecting plate 1 of the large-span reticulated shell roof plate 2 comprises a deformation area 1-1, transition areas 1-2 are arranged on two sides of the deformation area 1-1, connecting areas 1-3 are arranged on two sides of the transition area 1-2, the deformation area 1-1, the transition areas 1-2 and the connecting areas 1-3 respectively comprise a plurality of waveforms which are sequentially connected to form a corrugated plate, the widths of the waveforms of the deformation area 1-1, the transition areas 1-2 and the connecting areas 1-3 are consistent and are consistent with the width of the waveform of the roof plate 2, the height of the waveform of the deformation area is larger than the height of the waveform of the transition area 1-2 and the height of the waveform of the connecting areas 1-3, and the height of the waveform of the connecting areas 1-3 is consistent with the height of the waveform of the roof plate 2.
The transition zone 1-2 on both sides and the connection zone 1-3 on both sides are symmetrical with respect to the deformation zone 1-1, respectively.
Wherein, the wave form of deformation zone 1-1 has at least 3, and the wave form of connection zone 1-3 has at least two. Most preferably, there are 5 waveforms in the deformation region 1-1, two waveforms in the connection region 1-3, and two waveforms in the transition region 1-2.
As shown in fig. 2, the roof panel 2 is a corrugated panel with uniform corrugated width, and is obtained by modifying a conventional corrugated panel, wherein the middle part of the roof panel 2 is 9 waveforms with smaller height, and two waveforms with larger waveform height are respectively arranged on two sides of the roof panel. Specifically, the middle wave form height is 16mm, and the height of the wave form of both sides is 25mm, and the joint strength of the wave form of both sides 25mm is great, when two adjacent roof boarding 2 overlap joint each other and pass through the bolt cross-under fixed, has stronger joint strength, and the wave form of mutual overlap joint closely laminates, and highly higher wave form has better waterproof nature, can prevent effectively that the rainwater from entering into inside the latticed shell structure along the gap of overlap joint.
As shown in fig. 3, the roof panel 2 is processed by using a plate press, the plate press has 10 sets of roller sets 6, the roller sets 6 are sequentially arranged in a front-back manner, each set of roller set 6 includes an upper roller shaft 7 and a lower roller shaft 8, a plurality of rollers 9 are respectively arranged on the upper roller shaft 7 and the lower roller shaft 8, and the metal plate passes through the gap between the upper roller shaft 7 and the lower roller shaft 8, so that the metal plate is deformed by rolling, and the metal plate is deformed a little by each set of roller sets 6, and is gradually rolled into the required roof panel 2 when continuously passing through the 10 sets of roller sets 6.
As shown in fig. 4, when the expansion joint connecting plate 1 needs to be processed, the plate pressing machine is modified, and part of the rollers 9 are replaced, so that the expansion joint connecting plate 1 can be processed. A plurality of rollers 9 in the middle of the lower roller shaft 8 of the 6 th-8 th group of roller groups 6 of the plate pressing machine are replaced by large rollers 9 with the diameter larger than that of the original rollers 9, the upper roller shaft 7 of the 9 th-10 th group of roller groups 6 of the plate pressing machine and a plurality of rollers 9 in the middle of the lower roller shaft 8 of the plate pressing machine are replaced by continuous rollers 10 respectively, and the diameter of each continuous roller 10 is larger than that of the replaced roller 9. Therefore, after the metal plate passes through the reformed plate pressing machine, the required expansion joint connecting plate 1 is output, and the part of the middle replacement roller 9 corresponds to the deformation area 1-1 of the expansion joint connecting plate 1. And the gyro wheel 9 of other parts then need not change, and complete with the processing roof boarding 2 in the time of the unanimity of use can, only need through simple transformation alright utilize the equipment of processing roof boarding 2 to carry out the processing of expansion joint connecting plate 1, can guarantee the uniformity of roof boarding 2 and expansion joint connecting plate 1 when reducing the processing cost to the installation of the expansion joint connecting plate 1 of being convenient for is fixed and guarantees the aesthetic property of the whole outward appearance of cell-shell structure.
The expansion joint connecting plate 1 of the large-span reticulated shell roof panel 2 provided by the invention is provided with a deformation area 1-1, a transition area 1-2 and a connecting area 1-3, the deformation area 1-1 is connected with the roof panel 2 through the connecting area 1-3 to enable the expansion joint 4 to be spanned over the deformation area 1-1, the deformation generated by the expansion joint 4 is completely borne by the deformation area 1-1, a plurality of waveforms of the deformation area 1-1 are deformed together with the expansion joint 4, and the deformation is borne by a plurality of waveforms together, and the waveform height of the deformation area 1-1 is larger, so that a larger deformation amount can be borne. Expansion joint connecting plate 1 can bear the great deformation of large-span latticed shell structure in expansion joint 4 department, avoids because deformation leads to tearing and damaging of expansion joint connecting plate 1, prevents the destruction of 1 surface paint film in expansion joint connecting plate, guarantees expansion joint connecting plate 1's life and aesthetic property.
As shown in figure 1, the construction method of the expansion joint connecting plate 1 of the large-span reticulated shell roof panel 2 comprises the following steps.
a. Calculating the maximum deformation of the expansion joint 4 according to the stress deformation of the reticulated shell structure, adjusting the height of partial waveform to design and form an expansion joint connecting plate 1 on the basis of a roof panel 2, wherein the expansion joint connecting plate 1 comprises a deformation area 1-1, transition areas 1-2 are arranged on two sides of the deformation area 1-1, connecting areas 1-3 are arranged on two sides of the transition area 1-2, the deformation area 1-1, the transition areas 1-2 and the connecting areas 1-3 respectively comprise a plurality of waveforms which are sequentially connected to form a waveform plate, the widths of the waveforms of the deformation area 1-1, the transition areas 1-2 and the connecting areas 1-3 are consistent and are consistent with the width of the waveform of the roof panel 2, and the height of the waveform of the deformation area is greater than the height of the waveform of the transition area 1-2 and the height of the waveform of the connecting areas 1-3, the height of the wave form of the connecting areas 1-3 corresponds to the height of the wave form of the roof panel 2.
Wherein, the height of the wave shape of the deformation area 1-1 is larger than the height of the wave shape of the middle part of the roof panel 2, and the sizes and structures of other parts are consistent with the structure of the roof panel 2.
b. A plate pressing machine for processing a roof panel 2 is reformed, a plurality of roller groups 6 at the rear half part of the plate pressing machine are adjusted according to the structure of an expansion joint connecting plate 1, and partial rollers 9 on the roller groups 6 are replaced, so that the middle parts of the roller groups 6 correspond to deformation areas 1-1, the two end parts correspond to connecting areas 1-3, and the parts between the deformation areas 1-1 and the connecting areas 1-3 correspond to transition areas 1-2.
Because the height of the expansion joint connecting plate 1 is different from that of the roof plate 2 only by the wave shape of the middle part, only the roller 9 of the middle part of the roller group 6 needs to be replaced.
c. And (3) sequentially passing the metal plate consistent with the processed roof plate 2 through each roller group 6 of the reformed plate pressing machine, and gradually deforming the metal plate under the rolling action of the roller groups 6 to finally obtain the required expansion joint connecting plate 1.
d. The installation positions of the roof panels 2 on two sides of the expansion joint 4 are determined according to the actual width dimension of the expansion joint connecting plate 1, so that the connecting areas 1-3 at two ends of the expansion joint connecting plate 1 can be respectively lapped with the roof panels 2.
e. The roof panels 2 are installed, the distance for installing the expansion joint connecting plates 1 is reserved at the positions of the expansion joints 4, the roof panels 2 are fixed on the purlins 3 through screws 5, and the end parts, close to the expansion joints 4, of the roof panels 2 on the two sides of the expansion joints 4 are not fixed.
f. The expansion joint connecting plate 1 is installed from bottom to top on two sides of the span direction of the reticulated shell structure, connecting areas 1-3 at two ends of the expansion joint connecting plate 1 are respectively lapped with end parts of roof panels 2 at two sides of an expansion joint 4, screws 5 are connected in the connecting areas 1-3 of the expansion joint connecting plate 1 in a penetrating manner, the screws 5 are connected in the junction of the connecting areas 1-3 and the transition areas 1-2 and the junction of the deformation areas 1-1 and the transition areas 1-2 in a penetrating manner, and therefore the expansion joint connecting plate 1 is fixed on the expansion joint 4.
In the step b, the plate pressing machine has 10 groups of roller groups 6, a plurality of rollers 9 in the middle of a lower roller shaft 8 of the 6 th to 8 th groups of roller groups 6 of the plate pressing machine are replaced by large rollers 9 with the diameter larger than that of the original rollers 9, a plurality of rollers 9 in the middle of an upper roller shaft 7 and a lower roller shaft 8 of the 9 th and 10 th groups of roller groups 6 of the plate pressing machine are replaced by continuous rollers 10 respectively, and the diameter of each continuous roller 10 is larger than that of the replaced roller 9, so that the height of the waveform of the middle deformation area 1-1 of the finally obtained expansion joint connecting plate 1 is larger than that of the waveform of the middle part of the roof plate 2.
The roof board 2 is a corrugated board with consistent corrugated spacing, and the height of the corrugations on both sides is greater than that of the corrugations in the middle part.
Wherein, specifically, the middle of roof boarding 2 is totally 9 wave forms that the height is 16mm, and both sides are two wave forms that the height is 25mm respectively, and the wave form width of roof boarding 2 is 68.3 mm. The deformation area 1-1 of the expansion joint connecting plate 1 is 5 waveforms with the height of 30mm, the transition area 1-2 is two waveforms with the height of 16mm, the connecting area 1-3 is two waveforms with the height of 25mm, and the width of all the waveforms is 68.3 mm.
In the construction method of the expansion joint connecting plate 1 of the large-span reticulated shell roof panel 2, the expansion joint connecting plate 1 is processed by a plate pressing machine for processing the roof panel 2, and part of rollers 9 on the plate pressing machine are replaced, so that the expansion joint connecting plate 1 with the same wave-shaped width as the roof panel 2 is obtained, the expansion joint connecting plate 1 has good deformation bearing capacity, can bear the deformation of the expansion joint 4 after being installed on the expansion joint 4, and cannot be torn or damaged. Because the wave form width of expansion joint connecting plate 1 and roof boarding 2 is unanimous, can firm combination between the two, and have unified outward appearance, make the whole of cell-shell structure pleasing to the eye. Expansion joint connecting plate 1 is installed and is had good anti-wind, anti deformation performance in expansion joint 4 department, and is not fragile, and fault rate and repair rate are low, durable, and the practicality is strong. Is suitable for various large-span reticulated shell structures.
The invention is not easy to damage, has low cost, is convenient to install and use, and avoids frequent maintenance, thereby reducing the safety risk and the maintenance cost.
Claims (7)
1. The utility model provides a large-span reticulated shell roof boarding expansion joint connecting plate, its characterized in that, includes the deformation zone the both sides in deformation zone are equipped with the transition zone the both sides in transition zone are equipped with the joining region, deformation zone, transition zone and joining region contain a plurality of wave forms and wave form respectively and connect gradually and form the wave form board, the width of the wave form in deformation zone, transition zone and joining region is unanimous and unanimous with the width of the wave form of roof boarding, the height of deformation zone wave form is greater than the height of transition zone wave form and the height of joining region wave form, the height of the wave form of joining region and the wave form height of roof boarding are unanimous.
2. The large-span reticulated shell roof panel expansion joint connecting plate according to claim 1, wherein the transition areas on both sides and the connecting areas on both sides are respectively symmetrical with respect to the deformation area.
3. The large-span reticulated shell roof panel expansion joint connecting plate of claim 1, wherein the number of the wave forms of the deformation area is at least 3, and the number of the wave forms of the connecting area is at least two.
4. A construction method for an expansion joint connecting plate of a large-span reticulated shell roof panel is characterized by comprising the following steps:
a. calculating the maximum deformation of an expansion joint according to the stress deformation of a reticulated shell structure, adjusting the height of partial waveforms to design and form an expansion joint connecting plate on the basis of a roof panel, wherein the expansion joint connecting plate comprises a deformation area, transition areas are arranged on two sides of the deformation area, connecting areas are arranged on two sides of the transition areas, the deformation area, the transition areas and the connecting areas respectively comprise a plurality of waveforms, the waveforms are sequentially connected to form a waveform plate, the widths of the waveforms of the deformation area, the transition areas and the connecting areas are consistent and are consistent with the width of the waveform of the roof panel, the height of the waveform of the deformation area is greater than the height of the waveform of the transition areas and the height of the waveform of the connecting areas, and the height of the waveform of the connecting areas is consistent with the height of the waveform of the roof panel;
b. modifying a plate pressing machine for processing a roof panel, adjusting a plurality of roller groups at the rear half part of the plate pressing machine according to the structure of an expansion joint connecting plate, replacing part of rollers on the roller groups, enabling the middle part of each roller group to correspond to a deformation area, enabling the two end parts to correspond to connecting areas, and enabling the part between the deformation area and the connecting areas to correspond to a transition area;
c. using a metal plate consistent with a processed roof plate to sequentially pass through each roller group of the reformed plate pressing machine, and gradually deforming the metal plate under the rolling action of the roller groups to finally obtain a required expansion joint connecting plate;
d. determining the mounting positions of the roof panels on two sides of the expansion joint according to the actual width dimension of the expansion joint connecting plate, so that the connecting areas on two ends of the expansion joint connecting plate can be respectively lapped with the roof panels;
e. mounting the roof panels, reserving a distance for mounting the expansion joint connecting plate at the position of the expansion joint, fixing the roof panels on the purlines through screws, and unfixed the end parts, close to the expansion joint, of the roof panels on the two sides of the expansion joint;
f. the expansion joint connecting plate is installed from bottom to top along two sides of the span direction of the reticulated shell structure, the connecting areas at two ends of the expansion joint connecting plate are respectively lapped with the end parts of the roof panels at two sides of the expansion joint, screws are connected in the connecting areas of the expansion joint connecting plate in a penetrating manner, and screws are connected in the junction of the connecting areas and the transition area and in the junction of the deformation area and the transition area in a penetrating manner, so that the expansion joint connecting plate is fixed on the expansion joint.
5. The construction method for the large-span reticulated shell roof panel expansion joint connecting plate according to claim 4, wherein in the step b, the plate pressing machine has 10 groups of roller groups, a plurality of rollers at the middle part of the lower roller shaft of the 6 th to 8 th roller groups of the plate pressing machine are replaced by large rollers with the diameter larger than the original roller diameter, a plurality of rollers at the middle parts of the upper roller shaft and the lower roller shaft of the 9 th and 10 th roller groups of the plate pressing machine are replaced by continuous rollers respectively, and the diameter of each continuous roller is larger than the diameter of the replaced roller.
6. The construction method of the expansion joint connecting plate of the large-span reticulated shell roof panel according to claim 4, wherein the roof panel is a corrugated panel with uniform corrugated spacing, and the height of the corrugations on both sides of the roof panel is greater than that of the corrugations in the middle of the roof panel.
7. The construction method for the expansion joint connecting plate of the large-span reticulated shell roof panel according to claim 4, wherein the screws are penetrated and connected at wave troughs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110641590.6A CN113279491B (en) | 2021-06-09 | 2021-06-09 | Construction method for expansion joint connecting plate of large-span reticulated shell roof panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110641590.6A CN113279491B (en) | 2021-06-09 | 2021-06-09 | Construction method for expansion joint connecting plate of large-span reticulated shell roof panel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113279491A true CN113279491A (en) | 2021-08-20 |
| CN113279491B CN113279491B (en) | 2022-07-05 |
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| CN202110641590.6A Active CN113279491B (en) | 2021-06-09 | 2021-06-09 | Construction method for expansion joint connecting plate of large-span reticulated shell roof panel |
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| CN113279491B (en) | 2022-07-05 |
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