CN114482564B - Elliptical daylighting roof mounting and supporting structure and construction method thereof - Google Patents
Elliptical daylighting roof mounting and supporting structure and construction method thereof Download PDFInfo
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- CN114482564B CN114482564B CN202210145982.8A CN202210145982A CN114482564B CN 114482564 B CN114482564 B CN 114482564B CN 202210145982 A CN202210145982 A CN 202210145982A CN 114482564 B CN114482564 B CN 114482564B
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
- E04G21/16—Tools or apparatus
- E04G21/161—Handling units comprising at least considerable parts of two sides of a room or like enclosed space
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
- E04G21/16—Tools or apparatus
- E04G21/162—Handles to carry construction blocks
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
- E04G21/16—Tools or apparatus
- E04G21/18—Adjusting tools; Templates
- E04G21/1841—Means for positioning building parts or elements
- E04G21/185—Means for positioning building parts or elements for anchoring elements or elements to be incorporated in the structure
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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
Abstract
The invention discloses an elliptical daylighting roof mounting support structure and a construction method thereof, wherein the support structure comprises an elliptical daylighting roof and a support frame connected to the middle part of the elliptical daylighting roof; the oval daylighting top is umbrella-shaped, and the outermost edge is connected with a downward flanging; the support frame contains connects in the core brace table of centre of a circle cross below, connects in the support frame body of core brace table below, connects bottom girder steel and bottom channel-section steel between support frame body and basis. The invention is beneficial to installation in narrow space by the design of the support frame body, and ensures the installation of the central area; the arrangement of the circle center cross brace, the circle center first inner bundle and the circle center second inner bundle is beneficial to the core installation of the support frame body, and the grading installation of the arc-shaped oblique connecting beams is beneficial to the convenient installation and the integrity of the whole elliptical daylighting roof; through first exerting center district and periphery turn-ups, do benefit to the oblique even roof beam of arc and support and connect, and carry out supplementary construction through hanging the cage, do benefit to welded fastening.
Description
Technical Field
The invention belongs to the technical field of building construction, and particularly relates to an elliptical daylighting roof mounting and supporting structure and a construction method thereof.
Background
With the development of building structures, various types of dayroofs (e.g., glass roofs and glass skylights) are increasingly being used and adopted. However, in the installation process of the daylighting roof, especially the special-shaped structure of the oval daylighting roof, the special-shaped structure needs to be installed finely when the space is limited. In the construction process of the oval daylighting roof, the floor height is higher, and the daylighting roof construction area is larger. The construction process of the daylighting roof structure is complex, and the number of working procedures is large. The full-space frame is erected on the part by a conventional operation method, the full-space frame is erected from the bottom of a lighting roof to the working surface of a lighting well, the required materials are erected, the labor amount is large, the operation convenience is low, and the erection and dismantling cycle is long.
Disclosure of Invention
The invention provides an elliptical daylighting roof mounting and supporting structure and a construction method thereof, which are used for solving the technical problems of central support, mounting, moving fixation and the like of an elliptical daylighting roof.
In order to achieve the purpose, the invention adopts the following technical scheme:
an elliptical daylighting top mounting and supporting structure comprises an elliptical daylighting top and a supporting frame connected to the middle of the elliptical daylighting top;
the elliptic daylighting roof is umbrella-shaped, and the outermost edge of the elliptic daylighting roof is connected with a downward flanging and comprises a circle center cross brace, a circle center first inner beam connected to the outer side of the circle center cross brace, an outer ring lower beam, an outer ring upper beam, an outer ring vertical column connected between the outer ring lower beam and the outer ring upper beam, annular connecting beams connected between the circle center first inner beam and the outer ring upper beam at intervals, and arc inclined connecting beams arranged between the circle center first inner beam and the outer ring upper beam in a radial shape; the outer ring lower beam, the outer ring upper beam and the outer ring vertical column are circular and are encircled to form vertical flanges;
the support frame contains connects in the core brace table of centre of a circle cross bracing below, connects in the support body of core brace table below, connects bottom girder steel and bottom channel-section steel between support body and basis.
Furthermore, a circle center second inner beam is arranged on the periphery of the circle center first inner beam, annular connecting beams are arranged on an outer ring of the circle center second inner beam at intervals upwards, arc-shaped oblique connecting beams are arranged among the circle center first inner beam, the circle center second inner beam and the annular connecting beams, and the arc-shaped oblique connecting beams are arranged at radial intervals.
Furthermore, the projection of the circle center second inner beam is located within the range of the core support platform, a supporting point is arranged at a connecting point of the circle center second inner beam and the arc-shaped oblique connecting beam, and a supporting rod is arranged between the supporting point and the core support platform.
Furthermore, the bottom steel beams are arranged in an X shape, and bottom channel steel is connected below four X-shaped corners; splayed bottom inclined supports are connected between the two sides of the bottom steel beam and the foundation.
Furthermore, the support frame body comprises a group of standard joints which can be spliced, an inclined strut is connected between the bottom standard joint and the bottom steel beam, and a platform inclined strut is connected between the top standard joint and the core support platform; and a section side support is also connected between the support frame body and the peripheral structure.
The hanging cage comprises a cage body, hanging rods connected to the top of the cage body and connecting plates connected between the cage body and the hanging rods, the hanging cage comprises a square frame cage and a pair of vertical connecting rods connected to one side of the square frame cage, the upper parts of the vertical connecting rods are connected with detachable connecting plates, and the connecting plates are detachably connected with the hanging rods;
the hanging rod is an inverted L-shaped rod, the horizontal part is detachably connected with the connecting plate, and the vertical part is hung on the oval daylighting top member; the horizontal part is a telescopic rod or spliced connection.
Furthermore, the arc-shaped oblique connecting beam comprises a radial oblique main connecting beam and a radial oblique secondary connecting beam, and the radial oblique main connecting beam is connected between the circle center cross brace and the outer ring upper beam and between the circle center second inner beam and the outer ring upper beam; the radial oblique secondary connecting beam is connected between the annular connecting beam and the outer ring upper beam; and the connecting nodes on the arc-shaped oblique connecting beam can be detachably connected with a stress sensor and a displacement sensor, and the stress sensor and the displacement sensor are connected with the remote control end.
Further, the construction method for installing the support structure on the oval daylighting roof comprises the following specific steps:
firstly, designing projection according to an elliptical daylighting roof, and calibrating an installation center; laying a foundation at the installation center, and connecting a bottom steel beam and a bottom channel steel; calibrating a bottom steel beam and a bottom channel steel, and then installing a support frame body;
step two, in the installation process of the support frame body, at least four segment side supports are arranged at intervals on each layer for fixing;
step three, when the support frame body is installed to a preset height, a core support platform is installed, the connection angle between the core support platform and the inclined strut is adjusted, and the core support platform is adjusted to be horizontal; measuring support points on the core support platform, and installing support rods corresponding to the support points;
hoisting a circle center cross brace and a circle center first inner beam at the middle part of the upper part of the core supporting platform, fixing the installed arc-shaped oblique connecting beam on a previously completed supporting positioning point, tracking and installing the whole total station, completely welding and fixing the total station, and arranging a stress sensor and a displacement sensor at a welding point;
installing a circle center second inner beam, installing a radial oblique main connecting beam between the circle center second inner beam and the circle center first inner beam, and installing a hanging cage on the circle center second inner beam after the welding and fixing are finished; a stress sensor and a displacement sensor are arranged on the welding point;
step six, mounting an outer ring lower beam, an outer ring vertical column and an outer ring upper beam to form a vertical flanging of the elliptical daylighting roof, and then mounting a step-by-step radial oblique main connecting beam and a radial oblique secondary connecting beam;
and seventhly, calibrating the positions of the inclined main connecting beam and the radial inclined secondary connecting beam, symmetrically installing the annular connecting beams after the positions are qualified, finally installing the inclined connecting beams on the periphery, monitoring in real time through a stress sensor and a displacement sensor in the installation process, adjusting through temporary support, and arranging in an encrypted mode at the key positions until the integral installation of the elliptical daylighting roof is completed.
Further, when the outer ring vertical columns are installed, cross control lines are popped out on the embedded parts, the perpendicularity and the elevation of the outer ring vertical columns are guaranteed, steel frames are installed by means of site tower cranes, members are hoisted to corresponding floors by the tower cranes according to site road and structural member entering conditions, the members are installed in a mode of going backwards from one side to the other side according to site conditions and site survey, the height of the embedded parts is measured firstly, the total station is used for measuring all central points on the embedded parts, and then the central points of adjacent embedded parts are popped out by ink lines according to the point to serve as the cross control lines for supporting the installation of the outer ring vertical columns; and adjusting the positions with inconsistent embedded part elevations by using steel plates with corresponding thicknesses, and welding the steel plates for adjustment on the embedded plates in a surrounding manner.
Further, in the fifth step, a sliding rail is connected between the hanging cage and the circle center second inner beam or the radial inclined main connecting beam; the slide rail is detachably connected to the second inner beam at the center of the circle or the radial inclined main connecting beam; the circle center second inner beam upper part and the radial inclined main connecting beam are I-shaped, T-shaped or square; when the circle center second inner beam and the radial inclined main connecting beam are I-shaped and T-shaped, the sliding rail is detachably arranged on the bottom surface of the top of the outer side of the transverse part; when the circle center second inner beam and the radial oblique main connecting beam are in a square shape, the sliding rail is detachably arranged above the outer vertical part.
The invention has the following beneficial effects:
1) the support frame body is designed to facilitate the installation of the daylighting roof in a narrow space, and the connection of the core support table at the top of the support frame body further ensures the installation of the central area of the oval daylighting roof;
2) the arrangement of the circle center cross brace, the circle center first inner beam and the circle center second inner beam is beneficial to the core installation of the support frame body, and the grading installation of the arc-shaped oblique connecting beams is beneficial to the convenient installation and the integrity of the whole elliptical daylighting roof;
3) the central area and the peripheral flanging of the oval daylighting roof are constructed firstly, so that the support connection of the long arc-shaped oblique connecting beam is facilitated, and the auxiliary construction is carried out through the conveniently-moved hanging cage, so that the welding fixation is facilitated;
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 the 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 support frame and its connection structure;
FIG. 2 is a top view of the connection of the bottom steel beams, bottom channel steel and support frame;
FIG. 3 is a schematic view of the connection of the bottom steel beam, the bottom channel steel and the foundation;
FIG. 4 is a first schematic view of the core support platform and the elliptical daylighting roof construction;
FIG. 5 is a second schematic view of the core support platform and the elliptical daylighting roof construction;
FIG. 6 is a schematic view of a hanging cage installation;
FIG. 7 is a third schematic view of the core support platform and the elliptical daylighting roof construction;
FIG. 8 is a first schematic view of the distribution of support points;
FIG. 9 is a first schematic view of installation and construction of an elliptical daylighting roof;
FIG. 10 is a second schematic view of installation and construction of an elliptical daylighting roof;
FIG. 11 is a third schematic view of installation and construction of an elliptical daylighting roof;
FIG. 12 is a fourth schematic view of installation and construction of an elliptical daylighting roof;
fig. 13 is a fourth schematic view of the core support platform and the elliptical daylighting roof.
Reference numerals: 1-bottom steel beam, 2-bottom channel steel, 3-diagonal brace, 4-support frame body, 5-ladder stand, 6-core support table, 7-platform diagonal brace, 8-segment lateral brace, 9-foundation, 10-bottom diagonal brace, 11-support point, 12-outer ring lower beam, 13-outer ring vertical column, 14-outer ring upper beam, 15-hanging cage, 151-cage body, 152-hanging rod, 153-connecting plate, 16-arc diagonal connecting beam, 161-radial diagonal main connecting beam, 162-radial diagonal secondary connecting beam, 17-circle center first inner beam, 18-circular connecting beam, 19-circle center cross brace, 20-circle center second inner beam and 21-diagonal connecting beam.
Detailed Description
Taking a certain project as an example, the top of the structure adopts an elliptical daylighting top. The elliptical daylighting roof is a single-layer shell with a column top, the plane layout is elliptical, the long-axis span is 31.6 meters, the short-axis span is 22.2 meters, and the elliptical top rise is 4.978 meters. The oval daylighting top is located on civil engineering roof same-contrary roof beam, and the built-in fitting elevation is 22.00 meters, and the oval highest elevation is 28.261 meters.
The steel frame and the support are connected by adopting reinforced welding. All steel frame surfaces need to be rustproof, and the thickness of an epoxy zinc-rich primer dry film is adopted after shot blasting: 70um, thickness of epoxy micaceous iron intermediate paint dry film: 80um, and then brushing a thin fireproof coating, wherein the fire resistance limit of the engineering fireproof material is 1.0 hour. The glass panel is fixed on the steel frame by adopting a hidden frame type method. The specification of the top glass is medium-half toughened laminated glass TP double-silver 8Low-E (toughened) +12A + HS6 (semi-toughened) +1.52PVB/HS6 (semi-toughened) hollow laminated glass Low-E glass, and peripheral side elevation glass adopts TP6 (double-silver toughened) LOW-E +12A + TP6 (toughened) hollow Low-E glass. The opening fan is opened by an electric push rod for fire-fighting linkage. Outdoor aluminum plate panel adopts 3mm thick aluminium veneer, and surface fluorocarbon spraying handles, and is fixed with the briquetting, and between the interval 350mm ~400mm, indoor side adopted 2mm thick aluminium veneer to seal, and surface powder spraying handles, panel and secondary joist parallel and level. The glue seam width at the parting of all the aluminum plates is 15 mm.
As shown in fig. 1 to 13, an elliptical daylighting roof mounting support structure comprises an elliptical daylighting roof and a support frame connected to the middle of the elliptical daylighting roof. The elliptic daylighting roof is umbrella-shaped, the outermost edge of the elliptic daylighting roof is connected with a downward flanging, and the elliptic daylighting roof comprises a circle center cross brace 19, a circle center first inner beam 17 connected to the outer side of the circle center cross brace 19, an outer ring lower beam 12, an outer ring upper beam 14, an outer ring vertical column 13 connected between the outer ring lower beam 12 and the outer ring upper beam 14, annular connecting beams 18 connected between the circle center first inner beam 17 and the outer ring upper beam 14 at intervals, and arc inclined connecting beams 16 arranged between the circle center first inner beam 17 and the outer ring upper beam 14 in a radial shape; the outer ring lower beam 12, the outer ring upper beam 14 and the outer ring vertical column 13 are circular and surround to form vertical flanges. The outer ring upper beam 14 and the annular connecting beam 18 and the connected annular connecting beam 18 are also connected with an oblique connecting beam 21, and the oblique connecting beam 21 is favorable for ensuring that the convenient stress has the functions of strengthening and uniform stress.
In this embodiment, the support frame includes the core brace table 6 connected below the circle center cross brace 19, the support frame body 4 connected below the core brace table 6, the bottom steel beam 1 and the bottom channel steel 2 connected between the support frame body 4 and the foundation 9.
Wherein, the periphery of the first inner beam 17 of the centre of a circle is provided with a second inner beam 20 of the centre of a circle, the outer ring of the second inner beam 20 of the centre of a circle is provided with a ring-shaped connecting beam 18 at intervals upwards, arc-shaped oblique connecting beams 16 are arranged among the first inner beam 17 of the centre of a circle, the second inner beam 20 of the centre of a circle and the ring-shaped connecting beam 18, and the arc-shaped oblique connecting beams 16 are arranged at radial intervals.
In this embodiment, the projection of the circle center second inner bundle 20 is located within the range of the core support platform 6, a connection point of the circle center second inner bundle 20 and the arc-shaped oblique connecting beam 16 is provided with a supporting point 11, and a supporting rod is arranged between the supporting point 11 and the core support platform 6. The circle center cross brace 19, the circle center first inner bundle 17, the circle center second inner bundle 20, the annular connecting beam 18 and the support rod are all made of section steel or steel pipes, and the connection points are welded.
In the embodiment, the bottom steel beam 1 is made of profile steel and arranged in an X shape, and bottom channel steel 2 is connected below four X-shaped corners; splayed bottom inclined supports 10 are connected between the two sides of the bottom steel beam 1 and the foundation 9.
In the embodiment, the support frame body 4 comprises a group of standard joints which can be spliced, an inclined strut 3 is connected between the bottom standard joint and the bottom steel beam 1, and a platform inclined strut 7 is connected between the top standard joint and the core support platform 6; and a section side support 8 is also connected between the support frame body 4 and the peripheral structure. The standard section is internally provided with a ladder stand 5 which is detachably connected.
As shown in fig. 6, the suspension cage 15 is further connected, the suspension cage 15 includes a cage body 151, a hanging rod 152 connected to the top of the cage body 151, and a connecting plate 153 connected between the cage body 151 and the hanging rod 152, the suspension cage 15 includes a square frame cage and a pair of vertical connecting rods connected to one side of the square frame cage, the upper portion of each vertical connecting rod is connected with a detachable connecting plate 153, and the connecting plate 153 is detachably connected with the hanging rod 152; the hanging rod 152 is an inverted L-shaped rod, the horizontal part is clamped with the connecting plate 153 or is in threaded connection, and the vertical part is hung on the oval daylighting top component; the horizontal part is a telescopic rod or spliced connection.
In this embodiment, the arc-shaped oblique connecting beam 16 includes a radial oblique main connecting beam 161 and a radial oblique secondary connecting beam 162, and the radial oblique main connecting beam 161 is connected between the center cross brace 19 and the outer ring upper beam 14 and between the center second inner beam 20 and the outer ring upper beam 14; the radial oblique secondary connecting beam 162 is connected between the annular connecting beam 18 and the outer ring upper beam 14; the connection nodes on the arc-shaped oblique connecting beam 16 can be detachably connected with a stress sensor and a displacement sensor, and the stress sensor and the displacement sensor are connected with a remote control end. The radial oblique main connecting beam 161 is a rectangular steel pipe with the thickness of 250 multiplied by 100 multiplied by 8mm, the annular connecting beam 18 is a steel pipe with the thickness of 160 multiplied by 80 multiplied by 6, and all steel materials are Q235B. The steel frames are connected by welding, the strength of the welding seam is two levels, and slag is removed, and grinding and polishing are carried out after the welding is finished.
With reference to fig. 1 to 13, a construction method for mounting a support structure on an elliptical daylighting roof is further described, which specifically includes the following steps:
firstly, designing projection according to an elliptical daylighting roof, and calibrating an installation center; laying a foundation 9 at the installation center, and connecting the bottom steel beam 1 and the bottom channel steel 2; and a support frame body 4 is installed after the bottom steel beam 1 and the bottom channel steel 2 are calibrated.
And step two, in the installation process of the support frame body 4, at least four segment side supports 8 are arranged at intervals on each layer for fixing.
Thirdly, when the support frame body 4 is installed to a preset height, the core support table 6 is installed, the connection angle between the core support table 6 and the inclined strut 3 is adjusted, and the core support table 6 is adjusted to be horizontal; the core support platform 6 is provided with a support point 11, and a support rod is arranged corresponding to the support point 11.
And fourthly, hoisting a circle center cross brace 19 and a circle center first inner beam 17 at the middle part of the upper part of the core supporting platform 6, fixing the installed arc-shaped oblique connecting beam 16 on a previously completed supporting positioning point, tracking and installing the total station in the whole process, completing the whole welding and fixing, and arranging a stress sensor and a displacement sensor at the welding point.
Step five, installing a circle center second inner beam 20, installing a radial inclined main connecting beam 161 between the circle center second inner beam 20 and the circle center first inner beam 17, and installing a hanging cage 15 on the circle center second inner beam 20 after the welding and fixing are finished; and a stress sensor and a displacement sensor are arranged on the welding point.
In the fifth step, a slide rail is further connected between the suspension cage 15 and the circle center second inner bundle 20 or between the radial inclined main connecting beam 161; the slide rail is detachably connected to the circle center second inner bundle 20 or the radial inclined main connecting beam 161; the circle center second inner beam 20 and the radial inclined main connecting beam 161 are I-shaped, T-shaped or square; when the circle center second inner beam 20 and the radial inclined main connecting beam 161 are I-shaped and T-shaped, the slide rail is detachably arranged on the bottom surface of the top of the outer side of the transverse part; when the circle center second inner bundle 20 and the radial inclined main connecting beam 161 are square, the slide rail is detachably mounted above the outer vertical part.
And sixthly, mounting the outer ring lower beam 12, the outer ring vertical column 13 and the outer ring upper beam 14 to form a vertical flanging of the elliptical daylighting roof, and then mounting the step-by-step radial oblique main connecting beam 161 and the radial oblique secondary connecting beam 162.
When the outer ring vertical columns 13 are installed, cross control lines are popped out from the embedded parts, the verticality and the elevation of the outer ring vertical columns 13 are guaranteed, a steel frame is installed by means of an on-site tower crane, the components are hoisted to corresponding floors by the tower crane according to the on-site road and the entrance situation of the structural components, the components are installed backwards from one side to the other side according to on-site conditions and on-site investigation, the height of the embedded components is measured firstly, the central points on the embedded components are all measured by a total station, and the central points of adjacent embedded components are popped out by ink lines according to the point to serve as the cross control lines for supporting the installation of the outer ring vertical columns 13; and adjusting the positions with inconsistent embedded part elevations by using steel plates with corresponding thicknesses, and welding the steel plates for adjustment on the embedded plates in a surrounding manner.
And seventhly, calibrating the positions of the oblique main connecting beam and the radial oblique secondary connecting beam 162, symmetrically installing the annular connecting beams 18 after the positions are qualified, finally installing the peripheral oblique connecting beams 21, monitoring in real time through a stress sensor and a displacement sensor in the installation process, adjusting through temporary support, and arranging in an encrypted manner at key positions until the integral installation of the elliptical daylighting roof is completed.
In addition, during hoisting, the crane slowly lifts up, when the component lifts up to 200 mm from the ground, the crane stops lifting up, and the crane can slowly lift up without adjustment if the hoisting point needs to be readjusted. After the first steel frame is installed, cable wind ropes are pulled up in two directions at the top ends of the two end columns, the next steel frame is installed in sequence, the connecting beam is connected immediately after the adjacent components are installed, a central line is marked on the steel frame before installation, and construction is carried out strictly according to a control line.
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 considered by those skilled in the art within the technical scope of the present invention disclosed herein should be covered within the scope of the present invention.
Claims (9)
1. An elliptical daylighting top mounting and supporting structure is characterized by comprising an elliptical daylighting top and a supporting frame connected to the middle part of the elliptical daylighting top;
the oval daylighting roof is umbrella-shaped, the outermost edge of the oval daylighting roof is connected with a downward flanging, and the oval daylighting roof comprises a circle center cross brace (19), a circle center first inner beam (17) connected to the outer side of the circle center cross brace (19), an outer ring lower beam (12), an outer ring upper beam (14), an outer ring vertical column (13) connected between the outer ring lower beam (12) and the outer ring upper beam (14), annular connecting beams (18) connected between the circle center first inner beam (17) and the outer ring upper beam (14) at intervals, and arc inclined connecting beams (16) arranged between the circle center first inner beam (17) and the outer ring upper beam (14) in a radial manner; the outer ring lower beam (12), the outer ring upper beam (14) and the outer ring vertical column (13) are annular and surround to form a vertical flanging;
the supporting frame comprises a core supporting platform (6) connected below the circle center cross brace (19), a supporting frame body (4) connected below the core supporting platform (6), a bottom steel beam (1) connected between the supporting frame body (4) and the foundation (9) and a bottom channel steel (2);
the circle center first inner beam (17) is provided with a circle center second inner beam (20) at the periphery, the circle center second inner beam (20) is provided with annular connecting beams (18) at intervals upwards in an outer ring, arc-shaped oblique connecting beams (16) are arranged among the circle center first inner beam (17), the circle center second inner beam (20) and the annular connecting beams (18), and the arc-shaped oblique connecting beams (16) are arranged at radial intervals.
2. The elliptical daylighting roof mounting support structure of claim 1, wherein the projection of the second inner bundle (20) of the circle center is located within the range of the core support platform (6), the connection point of the second inner bundle (20) of the circle center and the arc-shaped diagonal beam (16) is provided with a support point (11), and a support rod is arranged between the support point (11) and the core support platform (6).
3. The elliptical daylighting top-mounted support structure of claim 1, wherein the bottom steel beams (1) are arranged in an X-shape, and bottom channel steels (2) are connected below four corners of the X-shape; splayed bottom inclined supports (10) are connected between the two sides of the bottom steel beam (1) and the foundation (9).
4. The oval daylighting top installation support structure of claim 3, wherein said support frame body (4)
The system comprises a group of standard knots which can be spliced and connected, wherein an inclined strut (3) is connected between a bottom standard knot and a bottom steel beam (1), and a platform inclined strut (7) is connected between a top standard knot and a core supporting platform (6); and a section side support (8) is also connected between the support frame body (4) and the peripheral structure.
5. The elliptical daylighting roof mounting support structure of claim 1, further being connected with a hanging cage (15), wherein the hanging cage (15) comprises a cage body (151), a hanging rod (152) connected to the top of the cage body (151), and a connecting plate (153) connected between the cage body (151) and the hanging rod (152), the hanging cage (15) comprises a square frame cage and a pair of vertical connecting rods connected to one side of the square frame cage, the upper portion of each vertical connecting rod is connected with a detachable connecting plate (153), and the connecting plate (153) is detachably connected with the hanging rod (152);
the hanging rod (152) is an inverted L-shaped rod, the horizontal part is detachably connected with the connecting plate (153), and the vertical part is hung on the oval daylighting top member; the horizontal part is a telescopic rod or assembled connection.
6. The elliptical daylighting roof mounting support structure of claim 1, wherein the arc-shaped diagonal coupling beam (16) comprises a radially diagonal main coupling beam (161) and a radially diagonal secondary coupling beam (162), the radially diagonal main coupling beam (161) being connected between the circle-center cross brace (19) and the outer ring upper beam (14) and between the circle-center second inner beam (20) and the outer ring upper beam (14); the radial oblique secondary connecting beam (162) is connected between the annular connecting beam (18) and the outer ring upper beam (14); the connecting nodes on the arc-shaped oblique connecting beam (16) can be detachably connected with a stress sensor and a displacement sensor, and the stress sensor and the displacement sensor are connected with a remote control end.
7. A construction method for installing a supporting structure on an elliptical daylighting roof according to any one of claims 1 to 6, characterized by comprising the following concrete steps:
firstly, designing projection according to an elliptical daylighting roof, and calibrating an installation center; laying a foundation (9) at the installation center, and connecting the bottom steel beam (1) and the bottom channel steel (2); after the bottom steel beam (1) and the bottom channel steel (2) are calibrated, a support frame body (4) is installed;
step two, in the installation process of the support frame body (4), at least four segment side supports (8) are arranged at intervals on each layer for fixing;
thirdly, when the support frame body (4) is installed to a preset height, a core support table (6) is installed, the connection angle between the core support table (6) and the inclined strut (3) is adjusted, and the core support table (6) is adjusted to be horizontal; a supporting point (11) is arranged on the core supporting platform (6) in a measuring way, and a supporting rod is arranged corresponding to the supporting point (11);
hoisting a circle center cross brace (19) and a circle center first inner beam (17) in the middle of the upper portion of the core supporting platform (6), fixing the installed arc-shaped oblique connecting beam (16) on a supporting positioning point which is completed previously, tracking and installing the total station in the whole process, completing all welding and fixing, and arranging a stress sensor and a displacement sensor on the welding point;
fifthly, installing a circle center second inner beam (20), installing a radial inclined main connecting beam (161) between the circle center second inner beam (20) and the circle center first inner beam (17), and installing a hanging cage (15) on the circle center second inner beam (20) after welding and fixing are finished; a stress sensor and a displacement sensor are arranged on the welding point;
sixthly, mounting an outer ring lower beam (12), an outer ring vertical column (13) and an outer ring upper beam (14) to form a vertical flanging of the oval daylighting roof, and then mounting a step-by-step radial oblique main connecting beam (161) and a radial oblique secondary connecting beam (162);
and seventhly, calibrating the positions of the oblique main connecting beam and the radial oblique secondary connecting beam (162), symmetrically installing the annular connecting beam (18) after the positions are qualified, finally installing the oblique connecting beams (21) around the edge, monitoring in real time through a stress sensor and a displacement sensor in the installation process, adjusting through temporary support, and arranging in an encrypted mode at key positions until the overall installation of the elliptical daylighting roof is completed.
8. The construction method of the elliptical daylighting roof installation support structure of claim 7, characterized in that when the outer ring vertical columns (13) are installed, cross control lines are popped up on the embedded parts to ensure the verticality and elevation of the outer ring vertical columns (13), a steel frame is installed by means of an on-site tower crane, the components are hoisted to corresponding floors by the tower crane according to the on-site road and the entrance situation of the structural components, the components are installed in a reverse mode from one side to the other side according to on-site conditions and on-site survey, the elevation of the embedded components is firstly measured, the central points on the embedded components are all measured by a total station, and the central points of adjacent embedded components are popped up by ink lines according to the points to serve as the cross control lines for supporting the installation of the outer ring vertical columns (13); and adjusting the positions with inconsistent embedded part elevations by using steel plates with corresponding thicknesses, and welding the steel plates for adjustment on the embedded plates in a surrounding manner.
9. The construction method for the elliptical daylighting roof installation support structure according to claim 7, wherein in step five, a slide rail is further connected between the hanging cage (15) and the circle center second inner beam (20) or the radial oblique main connecting beam (161); the slide rail is detachably connected to the circle center second inner beam (20) or the radial inclined main connecting beam (161); the circle center second inner beam (20) and the radial oblique main connecting beam (161) are I-shaped, T-shaped or square; when the circle center second inner beam (20) and the radial oblique main connecting beam (161) are I-shaped and T-shaped, the slide rail is detachably arranged on the bottom surface of the top of the outer side of the transverse part; when the circle center second inner beam (20) and the radial oblique main connecting beam (161) are square-shaped, the sliding rail is detachably arranged above the outer vertical part.
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| JPH07259187A (en) * | 1994-03-20 | 1995-10-09 | Saitoukimio Kenkiyuushitsu:Kk | Hyper string dome |
| CN109695317A (en) * | 2018-12-29 | 2019-04-30 | 中建一局集团第一建筑有限公司 | A kind of lighting roof Steel Structure Installation method |
| CN209369277U (en) * | 2018-12-29 | 2019-09-10 | 中建一局集团第一建筑有限公司 | A kind of lighting roof Construction of Steel Structure mounting platform |
| CN212053673U (en) * | 2019-12-11 | 2020-12-01 | 中建四局贵州投资建设有限公司 | Tower construction operation platform of dome |
| AU2021100423A4 (en) * | 2021-01-22 | 2021-04-15 | Longmenxia South Coal Mine of Sichuan Huayingshan Coal Industry Co. | A Roof Fall Prevention Device of Coal Mine Roadway for Preventing Dangerous Rocks from Falling |
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