CN113882595A - Curved continuous metal roof installation system and construction method thereof - Google Patents
Curved continuous metal roof installation system and construction method thereof Download PDFInfo
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- CN113882595A CN113882595A CN202111364106.6A CN202111364106A CN113882595A CN 113882595 A CN113882595 A CN 113882595A CN 202111364106 A CN202111364106 A CN 202111364106A CN 113882595 A CN113882595 A CN 113882595A
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- gutter
- main
- welding
- purline
- roof
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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
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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
- E04D3/02—Roof covering by making use of flat or curved slabs or stiff sheets of plane slabs, slates, or sheets, or in which the cross-section is unimportant
- E04D3/16—Roof covering by making use of flat or curved slabs or stiff sheets of plane slabs, slates, or sheets, or in which the cross-section is unimportant of metal
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/20—Solar thermal
Abstract
The invention discloses a curved continuous metal roof installation system and a construction method thereof. According to the invention, through the arrangement of the main purline, the secondary purlines and the arc-shaped purlines, the installation space is favorably provided, and the installation precision is conveniently controlled and finely adjusted; the ball support and the arc-shaped die are arranged, so that the integrity of stress is guaranteed, the installation of the secondary purline is standardized, and the installation precision of the roof panel is guaranteed; the gutter is beneficial to effectively organizing the drainage of the roof; through the continuous welding of the roof panel and the design of the welding method, the construction quality and the construction period requirement can be effectively ensured on the large-span metal roof welding.
Description
Technical Field
The invention belongs to the technical field of building construction, and particularly relates to a curved continuous metal roof mounting system and a construction method thereof.
Background
Along with the increasing demand for building functions, the diversification of building styles becomes more and more obvious. The metal roof has unique advantages in design and use of the building roof, is attractive in appearance, and has the characteristics of super high temperature resistance, low temperature resistance, illumination resistance, corrosion resistance, aging resistance and the like. However, the existing metal roof is small in span, weak in deformation and special shape, and the existing design is designed for the installation and pertinence of the metal roof under the large-span variable curve shape mode, and an effective technical scheme is also lacked for the technology of key nodes such as roof gutter and continuous welding.
Disclosure of Invention
The invention provides a curved continuous metal roof installation system and a construction method thereof, which are used for solving the technical problems of installation and adjustment of purlins of curved metal roofs, arrangement and installation of gutters, welding of metal roofs and the like.
In order to achieve the purpose, the invention adopts the following technical scheme:
a curved continuous metal roof installation system comprises ball supports connected to the tops of connecting column steel structure net frames, main purlins connected above the ball supports, main supporting pieces connected between the main purlins and the ball supports, secondary purlins connected above the main purlins, secondary purlin connecting pieces connected between the secondary purlins and the main purlins, rock wool layers and roof boards sequentially connected above the secondary purlins;
the roof panel is a metal plate and is in a sector shape, and a gutter is arranged on the roof panel; the gutter comprises a gutter panel, a gutter flashing connected to the upper part of the gutter panel and a gutter keel connected between the gutter panel and the rock wool layer;
the roof board is tangent to each node of the steel structure net rack, the ball support is arranged in the normal direction of the curved surface of the corresponding net rack node, and the supporting piece is parallel to the tangential direction of the curved surface; along the direction of the curve radian, the projection of the central point of the ball support is a straight line.
Furthermore, the roof panel is wavy and is connected with the base layer through a fixed support, and an arc-shaped main purline and a secondary purline perpendicular to the main purline are arranged in the longitudinal direction of the roof panel; at least one end of the roof panel is also provided with a semicircular gap or an arc-shaped gap, and the gap is limited by an arc-shaped purline; the arc purlines are arranged in sequence in a radial shape; the arc-shaped purlines and the main purlines are provided with secondary purlines connected with the main purlines and corresponding structures.
Further, the main supporting piece comprises a main supporting vertical rod and a main supporting top plate connected to the top of the main supporting vertical rod, the lower portion of the main supporting vertical rod corresponds to the ball support in a cambered mode and is fixedly connected with the ball support, and the main supporting top plate is horizontally arranged.
Furthermore, the main purlin connecting piece comprises a main purlin connecting plate and a main purlin connecting bolt detachably connected to the main purlin connecting plate, and the main purlin connecting plate comprises two parallel vertical plates vertically connected with the main support top plate and a rib plate connected between the outer sides of the vertical plates and the main support top plate; the main purlin connecting bolt is connected between the vertical plate and the main purlin;
the secondary purlin connecting piece comprises a secondary purlin connecting plate and a secondary purlin connecting bolt detachably connected to the secondary purlin connecting plate, and the secondary purlin connecting plate comprises two parallel vertical plates connected with the main purlin and rib plates connected between the outer sides of the vertical plates and the main support top plate; and the secondary purlin connecting bolts are connected between the corresponding vertical plates and the secondary purlins.
Furthermore, the main purlin connecting plate and the secondary purlin connecting plate are both provided with adjusting holes, and the adjusting holes are vertical or horizontal long adjusting holes; the length of the long adjusting hole is respectively suitable for the adjusting distance of the main purline and the secondary purline.
Furthermore, the gutter is arranged in a U shape, the surface of the gutter is enclosed by a gutter panel, the middle upper part of the gutter panel is connected with a gutter flashing board, and the top of the gutter is detachably connected with a gutter cover plate; the gutter panel is fixedly connected with the gutter keel and/or the rock wool layer.
Further, a construction method of the curved continuous metal roof installation system according to claim 1, comprising the following specific steps:
firstly, according to the design of a measurement control system, carrying out measurement and pay-off engineering through a corrected total station, measuring and setting the axis and the elevation of a purline on a main purline and a secondary purline mounting point, rechecking after the measurement and setting are finished, and mounting after the error is avoided;
step two, the roof panel is tangent to each node of the steel structure net rack, the ball support is arranged in the direction of the normal line of the curved surface of the corresponding net rack node, and the supporting piece is parallel to the direction of the tangent line of the curved surface; along the direction of the curve radian, the projection of the central point of the ball support is a straight line;
step three, when the main purlines are installed, determining the elevation of the main purline connecting pieces according to the roof curve elevation, ensuring that the elevation of the connecting branch point is on the arc line of the curved roof, measuring the elevation of the lower surface of the main purline supporting point on each main purline connecting piece when the main purlines are installed, adjusting the upper surface of each main purline to be overlapped with an elevation control line when the main purlines are installed, and then fixing the main purlines;
step four, when the secondary purline is installed, the position of the gutter expansion joint is considered, a 300mm fracture is reserved to be used as a gutter, and when a gutter keel is installed, the central position of the fracture is used as the gutter; two sides of the gutter are respectively fixedly connected with gutter keels, secondary purlins or rock wool boards, and the surface of the gutter is paved through gutter panels; the gutter panel and the roof panel are made of the same material and are constructed in the same way; the top of the gutter can be detachably connected with a gutter cover plate;
manufacturing an arc-shaped die by using aluminum alloy strips according to a roof curve in advance before mounting the secondary purlines, wherein the curvature of the arc-shaped die is consistent with that of the roof at the position, the length of the arc-shaped die is the same as the span of the main purlines, and two ends of the arc-shaped die are flush with the secondary purlines when mounting the secondary purlines, so that the elevation of the intermediate secondary purlines is adjusted according to the alignment;
step six, carrying out three-dimensional modeling on the roof panel, extracting data made by a fixed support on the roof panel from a three-dimensional model, carrying out measurement and paying-off by using a total station, marking the fixed seat according to a design position, then penetrating the marked points into a straight line by using a laser theodolite, and marking the straight line on a base layer, so that the fixing is convenient during construction;
step seven, when the roof panel is laid, arranging a positioning line at the gutter or the ridge, and then, laying one end of the roof panel in alignment with the positioning line; after each roof panel is laid, installing a fixed seat according to a drawn line; the longitudinal error of the fixing seat is controlled within 1 mm; the roof panels laid on the same day must be finished by overlocking the same day; after the roof panel is laid in a certain area, welding the roof panel; the welding comprises automatic seam welding of plate ribs, handheld welding and spot welding of joint parts; according to different choices of the nodes, firstly welding the node parts and then welding the rib parts of the plates;
step eight, in the debugging process of the welding machine, trial welding is carried out, 10 times of trial welding are carried out under the condition that each debugging parameter comprises current, voltage, welding speed and pressure, and a sample is well stored so as to be convenient for use in the subsequent detection of a welding line; the qualified welding line means that the color of the welding line is uniform brown or coffee; the welding seam has no break point or penetration point; collecting and arranging the samples qualified in surface inspection for subsequent inspection; until the subsequent welding is finished; thereby completing the full welded installation of the roof panel.
Furthermore, the main purlines and the secondary purlines are adjusted through the long adjusting holes after being installed, design elevation points are measured at two ends during adjustment, and the adjusted round hole square gaskets with the thickness of 6mm are firmly spot-welded with the corresponding vertical parts to prevent displacement in the height or horizontal direction; in places with extremely large radian, the heights of the main purlin connecting pieces and the secondary purlin connecting pieces with different height differences are combined to adjust the heights, and the secondary purlins in the middle can be adjusted to be higher than the upper surfaces of other secondary purlins; the length adjusting hole is a long hole, the length of the hole is 50mm, and the adjustable range is +/-25 mm.
Further, after the surface of the welding seam is qualified, performing a drawing test on the workpiece sample; confirming the strength of the welding seam and whether the welding seam is completely welded; cutting the welding line, and observing whether the inside of the welding line is completely welded or not; after all the tests are qualified, recording sample parameters; sealing and storing the qualified sample, recording welding parameters, and debugging a welding machine to the parameters so as to ensure the quality of a welding seam during welding; before welding, the roof board needs to be cleaned, and if oil stains or other stains are found on the plate ribs, the plate ribs are cleaned by neutral cleaning liquid.
Furthermore, the fixed support is made of stainless steel with the thickness of 0.8mm, and 2 stainless steel self-tapping nails and 1 pop rivet are connected with the secondary purline or the corresponding keel; fixing seats of ribbed plates are arranged at intervals of 3 m; three waterproof measures are arranged on the fixed support, and one is that the roof panel is turned over and passes through the fixed support and is continuously welded; secondly, the waterproof coiled material connected below the roof panel covers the sealing connecting plate for strengthening treatment; and thirdly, sealing the periphery of the bolt at the joint by using a sealant.
The invention has the beneficial effects that:
1) according to the invention, the main purlines, the secondary purlines and the arc-shaped purlines are arranged, so that the curved framework of the component roof can provide an installation space for a roof panel, and the installation precision can be conveniently controlled and finely adjusted through the connecting components among the purlines;
2) according to the invention, through the arrangement of the ball support and the arc-shaped die, on one hand, the ball support provides connection for the purline and a lower steel structure, so that the stressed integrity is ensured, and on the other hand, through the arrangement of the arc-shaped die, the mounting of the secondary purline can be further standardized, so that the mounting precision of the roof panel is ensured;
3) according to the invention, through the arrangement of the gutter, not only is the drainage of the roof organized effectively, but also the stability of the gutter panel is ensured by the connection of the gutter and the rock wool board or the secondary purline, and the beauty and convenient construction of the whole roof are ensured by the design of the gutter panel and the roof board together;
4) according to the invention, through the continuous welding of the roof panel and the design of the welding method, the construction quality and the construction period requirement can be effectively ensured on the large-span metal roof welding;
additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention; the primary objects and other advantages of the invention may be realized and attained by the instrumentalities particularly pointed out in the specification.
Drawings
FIG. 1 is a schematic view of a metal roof pattern and purlin deepening;
FIG. 2 is a schematic view of a metal roof pattern and purlin deepening;
FIG. 3 is a schematic view of a gutter and its connection structure;
FIG. 4 is a first schematic view of the connection of primary and secondary purlins;
FIG. 5 is a second schematic view of the connection of primary and secondary purlins;
FIG. 6 is a schematic view of an arcuate mold application;
FIG. 7 is a schematic view of a secondary purlin connection;
fig. 8 is a schematic view of the attachment of the stationary support.
Reference numerals: 1-roof, 2-main purlin, 3-secondary purlin, 4-arc purlin, 5-ball support, 6-main support piece, 61-main support upright rod, 62-main support top plate, 7-gutter, 8-gutter panel, 9-gutter cover plate, 10-gutter keel, 11-gutter apron, 12-rock wool layer, 13-roof panel, 14-secondary purlin connecting piece, 141-secondary purlin connecting plate, 142-secondary purlin connecting bolt, 15-steel structural net rack, 16-main purlin connecting piece, 161-main purlin connecting plate, 162-main purlin connecting bolt, 17-arc mould, 18-adjusting hole and 19-fixed support.
Detailed Description
Taking a certain exhibition center project as an example, the main function partitions comprise a display exhibition center, a conference center, a hotel and comprehensive supporting facilities. Wherein, show exhibition center building roofing is provided with the metal roofing, and the metal roofing is the curvilinear figure roofing, and is provided with fan-shaped in local. As shown in fig. 1 to 8, a curved continuous metal roof installation system comprises a ball support 5 connected to the top of a connecting column steel structure net rack 15, a main purline 2 connected to the top of the ball support 5, a main support member 6 connected between the main purline 2 and the ball support 5, a secondary purline 3 connected to the top of the main purline 2, a secondary purline connecting member 14 connected between the secondary purline 3 and the main purline 2, a rock wool layer 12 and a roof panel 13 sequentially connected to the top of the secondary purline 3.
In this embodiment, the roof panel 13 is formed in a shell shape, is arched in both the longitudinal direction and the short direction, and is formed in a fan shape at the end, and the roof panel 13 is a metal plate and is continuously welded to form the roof panel 13 by 25/400-type 445J2 stainless steel with a thickness of 0.5 mm. A gutter 7 is arranged on the roof panel 13, and the gutter 7 is laid according to the organization drainage design; the gutter 7 comprises a gutter panel 8, a gutter flashing 11 connected to the upper part of the gutter panel 8 and a gutter keel 10 connected between the gutter panel 8 and the rock wool layer 12.
In the embodiment, the roof panel 13 is tangent to each node of the steel structure net rack 15, the ball support 5 is arranged in the direction of the normal line of the curved surface of the corresponding net rack node, and the supporting piece is parallel to the direction of the tangent line of the curved surface; along the direction of the curve radian, the projection of the central point of the ball support 5 is a straight line. In the embodiment, the roof panel 13 is wavy and is connected with the base layer through the fixed support 19, and the roof panel 13 is provided with an arc-shaped main purline 2 and a secondary purline 3 vertical to the main purline 2 in the longitudinal direction; at least one end of the roof panel 13 is also provided with a semicircular gap or an arc-shaped gap, and the gap is limited by an arc-shaped purline 4; the arc purlines 4 are arranged in sequence in a radial shape; the arc-shaped purlines 4 and the main purlines 2 are provided with secondary purlines 3 and corresponding structures connected with the secondary purlines.
Unloading data is extracted from a model and a drawing of the previous three-dimensional modeling, and control processing is standardized and refined, so that incoming materials can be matched with a site. Stretch bending by using a stretch bending machine: the stretch bender utilizes the electric energy to be converted into mechanical energy through a hydraulic system, applies pulling force to the section to carry out profiling bending, and ensures the stretch bending quality by changing the position of a neutral layer when the section is bent; and (4) measuring and verifying the purline direction, the bending arc length and the blanking length according to the drawing requirements. And (5) after the first piece is finished, checking according to the size of the drawing and the arc bending direction, and continuing to produce if the sample piece is qualified. If not, adjusting and bending the blank until the blank meets the requirements of the drawing; the method can be used for mass production.
In this embodiment, the main supporting member 6 includes a main supporting upright 61 and a main supporting top plate 62 connected to the top of the main supporting upright 61, the lower portion of the main supporting upright 61 is arc-shaped and is correspondingly fixedly connected to the ball support 5, and the main supporting top plate 62 is horizontally disposed. In this embodiment, the main purlin connecting piece 16 includes a main purlin connecting plate 161 and a main purlin connecting bolt 162 detachably connected to the main purlin connecting plate 161, and the main purlin connecting plate 161 includes two parallel vertical plates vertically connected to the main support top plate 62 and a rib plate connected between the outer sides of the vertical plates and the main support top plate 62; the main purlin connecting bolt 162 is connected between the vertical plate and the main purlin 2;
in this embodiment, the secondary purlin connecting piece 14 includes a secondary purlin connecting plate 141 and a secondary purlin connecting bolt 142 detachably connected to the secondary purlin connecting plate 141, and the secondary purlin connecting plate 141 includes two parallel vertical plates connected to the primary purlin 2 and a rib plate connected between the outer sides of the vertical plates and the primary support top plate 62; the secondary purlin connecting bolt 142 is connected between the corresponding vertical plate and the secondary purlin 3. In this embodiment, the main purlin connecting plate 161 and the secondary purlin connecting plate 141 are both provided with adjusting holes 18, and the adjusting holes 18 are vertical or horizontal long adjusting holes; the length of the long adjusting hole is respectively suitable for the adjusting distance of the main purline 2 and the secondary purline 3
In the embodiment, the gutter 7 is arranged in a U shape, the surface of the gutter 7 is enclosed by a gutter panel 8, the middle upper part of the gutter panel 8 is connected with a gutter flashing 11, and the top of the gutter 7 is detachably connected with a gutter cover plate 9; the gutter panel 8 is fixedly connected with a gutter keel 10 and/or a rock wool layer 12.
In this embodiment, the main purline 2 is a rectangular tube, and is made of galvanized rectangular tubes 200 × 100 × 5mm and Q345B; the gutter keel 10 is a square steel pipe made of galvanized square steel pipes with 50mm multiplied by 4mm openings, the rock wool layer 12 is 120k hydrophobic rock wool with the thickness of 120mm, and is also connected with a PE moisture-proof layer; the gutter panel 8 is made of stainless steel with a thickness of 0.5 mm; the gutter apron 11 is made of 445J2 stainless steel plate with a thickness of 0.5 mm.
With reference to fig. 1 to 8, a construction method of the curved continuous metal roof installation system is further described, which specifically comprises the following steps:
firstly, according to the design of a measurement control system, measurement and pay-off engineering is carried out through a corrected total station, the axis and the elevation of a purline are measured and arranged on the installation points of a main purline 2 and a secondary purline 3, rechecking is carried out after the measurement and arrangement is finished, and the installation is carried out after the error is avoided.
Step two, the roof panel 13 is tangent to each node of the steel structure net rack 15, the ball support 5 is arranged in the direction of the curved surface normal of the corresponding net rack node, and the supporting piece is parallel to the direction of the curved surface tangent; along the direction of the curve radian, the projection of the central point of the ball support 5 is a straight line.
Step three, when the main purlines 2 are installed, the elevation of the main purline connecting pieces 16 is determined according to the curve elevation of the roof 1, the elevation of the connecting branch point is ensured to be on the arc line of the curve roof 1, during installation, the elevation of the lower surface of the supporting point of the main purline 2 is measured and placed on each main purline connecting piece 16, and the main purlines 2 are fixed after the upper surfaces of the main purlines 2 are adjusted to be overlapped with the elevation control lines during installation.
Step four, when the secondary purline 3 is installed, the position of an expansion joint of the gutter 7 is considered, a 300mm fracture is reserved to be used as the gutter 7, and when the gutter keel 10 is installed, the central position of the fracture is used as the gutter 7; two sides of the gutter 7 are respectively fixedly connected with gutter keels 10 and secondary purlins 3 or rock wool boards, and the surface of the gutter 7 is paved through gutter panels 8; the gutter panel 8 and the roof panel 13 are made of the same material and constructed; the top of the gutter 7 can be detachably connected with a gutter cover plate 9. In order to prevent the gutter 7 from cracking or breaking due to the expansion and contraction caused by the temperature change of the gutter 7, thereby affecting the water-closing property of the whole roof 1 and the drainage of the gutter 7, the expansion joints are arranged at certain intervals in the length direction of the gutter 7.
Step five, making arc mould 17 according to 1 curve of roofing for the aluminum alloy strip in advance before inferior purlin 3 installs, arc mould 17 camber is unanimous with 1 camber of this position roofing, and arc mould 17 length is with 2 spans of main purlin, even 14 parallel and level with arc mould 17 both ends and inferior purlin when installing inferior purlin 3 to this is the elevation of adjusting inferior purlin 3 in the middle of as the foundation.
In this embodiment, the key of main purlin 2 and 3 installation controls of inferior purlin is at its elevation, and the purlin elevation of different positions is different again, consequently before the installation purlin, must put the mounted position line of purlin earlier, according to the elevation of this department purlin to compromise structural error simultaneously, adjust when the installation. In the construction process, the elevation and the gradient of the purlin are well controlled in a key mode. Adopt the total station instrument to measure the actual elevation of 16 department structures of main purlin even during the construction, the difference between the design elevation of roofing 1 purlin at this point and the actual elevation of structure is the height that this point main purlin even 16, and the even 16 department of main purlin is installed the back, carries out retest to its elevation, installs main purlin 2 after having accorded with the requirement, and the retest upper surface mark height once more after main purlin 2 has installed, carries out follow-up installation after having accorded with the requirement.
In the embodiment, the main purlines 2 and the secondary purlines 3 are adjusted through the long adjusting holes after being installed, design elevation points are measured at two ends during adjustment, and the adjusted round hole square gaskets with the thickness of 6mm are firmly spot-welded with the corresponding vertical parts to prevent displacement in the height direction or the horizontal direction; in places with extremely large radian, the heights of the main purlin connecting pieces 16 and the secondary purlin connecting pieces 14 with different height differences are combined to adjust the heights, and the secondary purlins in the middle are adjusted to be higher than the upper surfaces of other secondary purlins; the length adjusting hole is a long hole, the length of the hole is 50mm, and the adjustable range is +/-25 mm.
And sixthly, performing three-dimensional modeling on the roof panel 13, extracting data made by a fixed support 19 on the roof panel 13 from the three-dimensional model, performing measurement and paying-off by using a total station, marking the fixed seat according to the designed position, penetrating the marked points into a straight line by using a laser theodolite, and marking the straight line on a base layer, so that the fixing is convenient to construct and fix.
Step seven, when the roof panel 13 is laid, a positioning line is arranged at the gutter 7 or the ridge, and then one end of the roof panel 13 is laid in alignment with the positioning line; after each roof board 13 is laid, the fixed seat is installed according to the drawn line; the longitudinal error of the fixing seat is controlled within 1 mm; the roof panel 13 laid on the same day must be finished by overlocking the same day; after the roof panel 13 is laid in a certain area, the roof panel 13 can be welded; the welding comprises automatic seam welding of plate ribs, handheld welding and spot welding of joint parts; the choice according to the node is to weld the node part first and then weld the rib part of the plate.
Step eight, in the debugging process of the welding machine, trial welding is carried out, 10 times of trial welding are carried out under the condition that each debugging parameter comprises current, voltage, welding speed and pressure, and a sample is well stored so as to be convenient for use in the subsequent detection of a welding line; the qualified welding line means that the color of the welding line is uniform brown or coffee; the welding seam has no break point or penetration point; collecting and arranging the samples qualified in surface inspection for subsequent inspection; until the subsequent welding is finished; thereby completing the complete welded installation of the roof panel 13. After the surface of the welding seam is qualified, performing a drawing test on a workpiece sample; confirming the strength of the welding seam and whether the welding seam is completely welded; cutting the welding line, and observing whether the inside of the welding line is completely welded or not; after all the tests are qualified, recording sample parameters; sealing and storing the qualified sample, recording welding parameters, and debugging a welding machine to the parameters so as to ensure the quality of a welding seam during welding; before welding, the roof panel 13 needs to be cleaned, and if oil stains or other stains are found on the panel ribs, the panel ribs are cleaned by neutral cleaning liquid.
The roof panel 13 of the metal roof 1 system adopts ferrite stainless steel roof panels 13, belongs to a new material, and the welding construction of the roof panels 13 belongs to a new process, so that the existing national standard and the industry standard are not referred. The construction welding method needs a scientific and reasonable test on the local part of a construction unit and then large-scale operation; improper construction method can cause hidden danger of water leakage. The longest welding line of a single plate reaches 85m, how to ensure that the welding line of each roof plate 13 can be welded and connected firmly is a key point for ensuring the waterproof performance of the stainless steel welded roof 1 system, and is the biggest difficulty of partial construction of the roof 1.
In addition, when the roof panel 13 is fixed by using the fixed support 19, the fixed support 19 is made of stainless steel with the thickness of 0.8mm, and 2 stainless steel self-tapping nails 1 pop rivet are connected with the secondary purline 3 or the corresponding keel; fixing seats of ribbed plates are arranged at intervals of 3 m; three waterproof measures are arranged on the fixed support 19, one is that the roof panel 13 is turned over and passes through the fixed support 19 and is continuously welded; secondly, the waterproof coiled material connected below the roof board 13 covers the sealing connecting plate for strengthening treatment; and thirdly, sealing the periphery of the bolt at the joint by using a sealant.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that may be made by those skilled in the art within the technical scope of the present invention will be covered by the scope of the present invention.
Claims (10)
1. The curved continuous metal roof installation system is characterized by comprising a ball support (5) connected to the top of a connecting column steel structure net rack (15), a main purline (2) connected above the ball support (5), a main support piece (6) connected between the main purline (2) and the ball support (5), a secondary purline (3) connected above the main purline (2), a secondary purline connecting piece (14) connected between the secondary purline (3) and the main purline (2), a rock wool layer (12) and a roof panel (13) which are sequentially connected above the secondary purline (3);
the roof panel (13) is a metal plate and is fan-shaped, and a gutter (7) is arranged on the roof panel (13); the gutter (7) comprises a gutter panel (8), a gutter flashing (11) connected to the upper part of the gutter panel (8) and a gutter keel (10) connected between the gutter panel (8) and the rock wool layer (12);
the roof board (13) is tangent to each node of the steel structure net rack (15), the ball support (5) is arranged in the direction of the normal line of the curved surface of the corresponding net rack node, and the supporting piece is parallel to the direction of the tangent line of the curved surface; along the direction of the curve radian, the projection of the central point of the ball support (5) is a straight line.
2. A curved continuous metal roofing installation system according to claim 1, wherein the roof panels (13) are wavy and connected to the base layer by means of fixed supports (19), the roof panels (13) being provided lengthwise with curved primary purlins (2) and secondary purlins (3) perpendicular to the primary purlins (2); at least one end of the roof panel (13) is also provided with a semicircular gap or an arc-shaped gap, and the gap is limited by an arc-shaped purline (4); the arc purlines (4) are arranged in sequence in a radial shape; the arc-shaped purlines (4) and the main purlines (2) are arranged on the same and connected with the secondary purlines (3) and corresponding structures.
3. The curved continuous metal roof installation system according to claim 1, wherein the main supporting member (6) comprises a main supporting vertical rod (61) and a main supporting top plate (62) connected to the top of the main supporting vertical rod (61), the lower part of the main supporting vertical rod (61) is in an arc shape and is fixedly connected with the ball support (5), and the main supporting top plate (62) is horizontally arranged.
4. A curved continuous metal roofing installation system according to claim 1, wherein the primary purlin connectors (16) comprise primary purlin connector plates (161) and primary purlin connectors (162) detachably connected to the primary purlin connector plates (161), the primary purlin connector plates (161) comprise two parallel vertical plates vertically connected to the main support top plate (62) and ribs connected between the outer sides of the vertical plates and the main support top plate (62); the main purlin connecting bolt (162) is connected between the vertical plate and the main purlin (2);
the secondary purlin connecting piece (14) comprises a secondary purlin connecting plate (141) and a secondary purlin connecting bolt (142) detachably connected to the secondary purlin connecting plate (141), and the secondary purlin connecting plate (141) comprises two parallel vertical plates connected with the main purlin (2) and rib plates connected between the outer sides of the vertical plates and the main support top plate (62); and the secondary purlin connecting bolt (142) is connected between the corresponding vertical plate and the secondary purlin (3).
5. A curved continuous metal roof installation system according to claim 4, wherein the primary purlin link plate (161) and the secondary purlin link plate (141) are both provided with adjustment holes (18), and the adjustment holes (18) are vertical or horizontal length adjustment holes; the length of the long adjusting hole is respectively suitable for the adjusting distance of the main purline (2) and the secondary purline (3).
6. The curved continuous metal roof installation system according to claim 1, wherein the gutter (7) is provided in a U-shape, the surface of the gutter (7) is enclosed by gutter panels (8), the middle upper part of the gutter panels (8) is connected with gutter flashing plates (11), and the top of the gutter (7) is detachably connected with gutter cover plates (9); the gutter panel (8) is fixedly connected with the gutter keel (10) and/or the rock wool layer (12).
7. A method of constructing the curvilinear continuous metal roofing installation system of claim 1, comprising the specific steps of:
firstly, according to the design of a measurement control system, carrying out measurement and pay-off engineering through a corrected total station, measuring and setting the axis and the elevation of a purline on the mounting points of a main purline (2) and a secondary purline (3), rechecking after the measurement and setting are finished, and mounting after the error is avoided;
step two, the roof panel (13) is tangent to each node of the steel structure net rack (15), the ball support (5) is arranged in the direction of the normal line of the curved surface of the corresponding net rack node, and the supporting piece is parallel to the direction of the tangent line of the curved surface; along the direction of the curve radian, the projection of the central point of the ball support (5) is a straight line;
step three, when the main purlines (2) are installed, determining the elevation of the main purline connecting pieces (16) according to the curve elevation of the roof (1), ensuring that the elevation of a connecting fulcrum is on the arc line of the curve roof (1), measuring the elevation of the lower surface of the supporting point of the main purline (2) on each main purline connecting piece (16) during installation, adjusting the upper surface of the main purline (2) to be overlapped with an elevation control line during installation, and then fixing the main purline (2);
step four, when the secondary purline (3) is installed, the position of an expansion joint of the gutter (7) is considered, a 300mm fracture is reserved to be used as the gutter (7), and when the gutter keel (10) is installed, the central position of the fracture is used as the gutter (7); two sides of the gutter (7) are respectively fixedly connected with a gutter keel (10) and a secondary purline (3) or a rock wool board, and the surface of the gutter (7) is paved through a gutter panel (8); the gutter panel (8) and the roof panel (13) are made of the same material and constructed; the top of the gutter (7) can be detachably connected with a gutter cover plate (9);
manufacturing an arc-shaped die (17) by using aluminum alloy strips according to the curve of the roof (1) in advance before the secondary purline (3) is installed, wherein the curvature of the arc-shaped die (17) is consistent with that of the roof (1) at the position, the length of the arc-shaped die (17) is equal to the span of the main purline (2), and when the secondary purline (3) is installed, two ends of the arc-shaped die (17) are flush with the secondary purline connecting piece (14) so as to adjust the elevation of the intermediate secondary purline (3);
step six, carrying out three-dimensional modeling on the roof panel (13), extracting data made by a fixed support (19) on the roof panel (13) from the three-dimensional model, carrying out measurement and paying-off by using a total station, marking the fixed seat according to a designed position, then penetrating the marked points into a straight line by using a laser theodolite, and marking the straight line on a base layer, so that the fixing during construction is facilitated;
step seven, when the roof panel (13) is laid, arranging a positioning line at the gutter (7) or the ridge, and then, aligning one end of the roof panel (13) to the positioning line for laying; after each roof board (13) is laid, the fixed seat is installed according to the drawn line; the longitudinal error of the fixing seat is controlled within 1 mm; the roof panels (13) laid on the same day must be finished by overlocking the same day; after the roof panel (13) is paved in a certain area, welding the roof panel (13); the welding comprises automatic seam welding of plate ribs, handheld welding and spot welding of joint parts; according to different choices of the nodes, firstly welding the node parts and then welding the rib parts of the plates;
step eight, in the debugging process of the welding machine, trial welding is carried out, 10 times of trial welding are carried out under the condition that each debugging parameter comprises current, voltage, welding speed and pressure, and a sample is well stored so as to be convenient for use in the subsequent detection of a welding line; the qualified welding line means that the color of the welding line is uniform brown or coffee; the welding seam has no break point or penetration point; collecting and arranging the samples qualified in surface inspection for subsequent inspection; until the subsequent welding is finished; thereby completing the whole welding installation of the roof panel (13).
8. The construction method of the curved continuous metal roof installation system according to claim 7, characterized in that the main purlines (2) and the secondary purlines (3) are adjusted through the long adjusting holes after being installed, design elevation points are measured at two ends during adjustment, and the adjusted square gaskets with round holes of 6mm thickness are firmly spot-welded with the corresponding vertical parts to prevent displacement in the height or horizontal direction; in places with extremely large radian, the heights of the main purlin connecting pieces (16) and the secondary purlin connecting pieces (14) with different height differences are combined to adjust the heights, and the secondary purlins in the middle are adjusted to be higher than the upper surfaces of other secondary purlins; the length adjusting hole is a long hole, the length of the hole is 50mm, and the adjustable range is +/-25 mm.
9. The construction method of the curved continuous metal roof installation system according to claim 7, characterized in that after the surface of the weld is inspected to be qualified, a drawing test is performed on a test piece sample; confirming the strength of the welding seam and whether the welding seam is completely welded; cutting the welding line, and observing whether the inside of the welding line is completely welded or not; after all the tests are qualified, recording sample parameters; sealing and storing the qualified sample, recording welding parameters, and debugging a welding machine to the parameters so as to ensure the quality of a welding seam during welding; before welding, the roof board (13) needs to be cleaned, and if oil stains or other stains are found on the board ribs, the board ribs are cleaned by neutral cleaning liquid.
10. The construction method of the curved continuous metal roof installation system according to claim 7, characterized in that the fixed support (19) is made of stainless steel with the thickness of 0.8mm, and 2 stainless steel self-tapping nails and 1 pop rivet are used for connecting with the secondary purline (3) or the corresponding keel; fixing seats of ribbed plates are arranged at intervals of 3 m; three waterproof measures are arranged on the fixed support (19), and one is that the roof panel (13) is turned over to pass through the fixed support (19) and is continuously welded; secondly, the waterproof coiled material connected below the roof board (13) covers the sealing connecting board for strengthening treatment; and thirdly, sealing the periphery of the bolt at the joint by using a sealant.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116657813A (en) * | 2023-07-27 | 2023-08-29 | 北京建工集团有限责任公司 | Construction method of multi-curvature variable-angle type wavy roof system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4213282A (en) * | 1978-02-06 | 1980-07-22 | Amca International Corporation | Metal panel roofing structure |
| CN109469233A (en) * | 2018-10-30 | 2019-03-15 | 浙江中南建设集团有限公司 | A kind of abnormity curtain wall system and its construction method |
| CN109653451A (en) * | 2018-12-29 | 2019-04-19 | 北京东方诚国际钢结构工程有限公司 | A kind of stainless steel roofing and its installation method |
| CN210152082U (en) * | 2018-12-29 | 2020-03-17 | 北京东方诚国际钢结构工程有限公司 | Stainless steel roof |
| CN212715592U (en) * | 2020-06-19 | 2021-03-16 | 中建八局南方建设有限公司 | Large-span arc-shaped roof metal roof board mounting structure |
-
2021
- 2021-11-17 CN CN202111364106.6A patent/CN113882595B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4213282A (en) * | 1978-02-06 | 1980-07-22 | Amca International Corporation | Metal panel roofing structure |
| CN109469233A (en) * | 2018-10-30 | 2019-03-15 | 浙江中南建设集团有限公司 | A kind of abnormity curtain wall system and its construction method |
| CN109653451A (en) * | 2018-12-29 | 2019-04-19 | 北京东方诚国际钢结构工程有限公司 | A kind of stainless steel roofing and its installation method |
| CN210152082U (en) * | 2018-12-29 | 2020-03-17 | 北京东方诚国际钢结构工程有限公司 | Stainless steel roof |
| CN212715592U (en) * | 2020-06-19 | 2021-03-16 | 中建八局南方建设有限公司 | Large-span arc-shaped roof metal roof board mounting structure |
Non-Patent Citations (1)
| Title |
|---|
| 叶志青: "深圳会展中心金属屋面系统的设计与施工", 《中国建筑防水》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116657813A (en) * | 2023-07-27 | 2023-08-29 | 北京建工集团有限责任公司 | Construction method of multi-curvature variable-angle type wavy roof system |
| CN116657813B (en) * | 2023-07-27 | 2023-09-22 | 北京建工集团有限责任公司 | Construction method of multi-curvature variable-angle type wavy roof system |
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| CN113882595B (en) | 2022-07-05 |
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