CN111441524A - Arc-shaped slope roof contour plate construction structure and construction method thereof - Google Patents
Arc-shaped slope roof contour plate construction structure and construction method thereof Download PDFInfo
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- CN111441524A CN111441524A CN202010420690.1A CN202010420690A CN111441524A CN 111441524 A CN111441524 A CN 111441524A CN 202010420690 A CN202010420690 A CN 202010420690A CN 111441524 A CN111441524 A CN 111441524A
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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
- E04B7/02—Roofs; Roof construction with regard to insulation with plane sloping surfaces, e.g. saddle roofs
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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
- E04B7/02—Roofs; Roof construction with regard to insulation with plane sloping surfaces, e.g. saddle roofs
- E04B7/04—Roofs; Roof construction with regard to insulation with plane sloping surfaces, e.g. saddle roofs supported by horizontal beams or the equivalent resting on the walls
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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
- E04B7/02—Roofs; Roof construction with regard to insulation with plane sloping surfaces, e.g. saddle roofs
- E04B7/04—Roofs; Roof construction with regard to insulation with plane sloping surfaces, e.g. saddle roofs supported by horizontal beams or the equivalent resting on the walls
- E04B7/045—Roofs; Roof construction with regard to insulation with plane sloping surfaces, e.g. saddle roofs supported by horizontal beams or the equivalent resting on the walls with connectors made of sheet metal for connecting the roof structure to the supporting wall
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/01—Reinforcing elements of metal, e.g. with non-structural coatings
- E04C5/06—Reinforcing elements of metal, e.g. with non-structural coatings of high bending resistance, i.e. of essentially three-dimensional extent, e.g. lattice girders
- E04C5/0627—Three-dimensional reinforcements composed of a prefabricated reinforcing mat combined with reinforcing elements protruding out of the plane of the mat
- E04C5/0631—Reinforcing mats combined with separate prefabricated reinforcement cages or girders
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/01—Reinforcing elements of metal, e.g. with non-structural coatings
- E04C5/06—Reinforcing elements of metal, e.g. with non-structural coatings of high bending resistance, i.e. of essentially three-dimensional extent, e.g. lattice girders
- E04C5/065—Light-weight girders, e.g. with precast parts
- E04C5/0653—Light-weight girders, e.g. with precast parts with precast parts
- E04C5/0656—Light-weight girders, e.g. with precast parts with precast parts with lost formwork
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D11/00—Roof covering, as far as not restricted to features covered by only one of groups E04D1/00 - E04D9/00; Roof covering in ways not provided for by groups E04D1/00 - E04D9/00, e.g. built-up roofs, elevated load-supporting roof coverings
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Rod-Shaped Construction Members (AREA)
Abstract
A circular arc-shaped slope roof contour plate construction structure and a construction method thereof belong to the technical field of building construction and comprise an H-shaped steel beam, a contour plate assembly, a short L-shaped folded plate and a long L-shaped folded plate, wherein the contour plate assembly is arranged on the upper portion of the H-shaped steel beam, the H-shaped steel beam and the contour plate assembly are connected through the short L-shaped folded plate and the long L-shaped folded plate, the contour plate assembly comprises a contour steel plate which is obliquely arranged, a plurality of groups of longitudinal truss ribs, a plurality of longitudinal bottom ribs and a bidirectional reinforcing mesh which is arranged on the upper portion of the longitudinal truss ribs, the contour steel plate is tightly and firmly fixed with the H-shaped steel beam in a slope environment, construction safety is guaranteed, the contour steel plate and a concrete structure work together under stress after a roof cast-in-place plate is poured, the concrete consumption between the steel beams can be reduced, and the aims of using the contour steel plate as a cast.
Description
Technical Field
The invention belongs to the technical field of building construction, and particularly relates to a circular arc-shaped slope roof contour plate construction structure and a construction method thereof.
Background
In a building with a steel structure as a main body, a profiled steel sheet is often used as a disassembly-free bottom die of a plane floor cast-in-place slab in a matched manner, the profiled steel sheet is usually placed on a horizontal floor steel beam for use, and no special requirements are required for manufacturing and fixing the profiled steel sheet; the technology is mainly characterized by using on a horizontal floor level, and the technology is not suitable for being used on a circular arc sloping roof structure.
When the profiled steel sheet is used on a circular arc sloping roof structure taking a steel structure as a main body, the following technical difficulties need to be solved:
firstly, the lower extreme is fixed on H shaped steel roof beam on the profiled sheet: on the inclined plane, when the upper end and the lower end of the profiled steel sheet and the inclined plane of the H-shaped steel beam are fixed in a crossing manner with the horizontal plane, the profiled steel sheet cannot be tightly attached and fixed with the steel sheet at the upper opening of the steel beam, so that the problems of infirm fixation, concrete leakage, change of stress condition of the steel beam and the like are caused.
Secondly can not additionally increase the thick board of concrete roof board because of using inclined plane profiled sheet, lead to increasing the load of girder steel by a wide margin, influence the structure and use: if the profiled steel sheet is fixed on the flange or the axis of the H-shaped steel beam, the thickness of a cast-in-place plate between the steel beams can be additionally increased, and the load is increased; if on the girder steel of striding more, adopt continuity profiled sheet, then the stress point of girder steel has shifted the edge of girder steel flange board, has changed the design original intention of girder steel axis atress.
If the above-mentioned situation is not solved and a common wood formwork supporting process is adopted, the construction period is greatly prolonged, and various costs are greatly increased.
Disclosure of Invention
Aiming at the problems in the prior art, the invention aims to provide a circular arc type slope roof contour plate construction structure and a construction method thereof, wherein the circular arc type slope roof contour plate construction structure is firm in structure, safe in construction, short in construction period and low in construction cost.
The invention provides the following technical scheme that the arc-shaped sloping roof contour plate construction structure is characterized by comprising an H-shaped steel beam, a profiling plate assembly, a short L-shaped folded plate and a long L-shaped folded plate, wherein the profiling plate assembly is arranged at the upper part of the H-shaped steel beam, and the H-shaped steel beam and the profiling plate assembly are connected through the short L-shaped folded plate and the long L-shaped folded plate;
the contour plate assembly comprises a profiled steel sheet which is obliquely arranged, a plurality of groups of longitudinal truss ribs, a plurality of longitudinal bottom ribs and a bidirectional reinforcing mesh which is arranged on the upper parts of the longitudinal truss ribs.
The circular arc-shaped slope roof contour plate construction structure is characterized in that short L-shaped folded plates and long L-shaped folded plates are respectively arranged on two sides of the cross section of an H-shaped steel beam flange, straight sections of the short L-shaped folded plates and the long L-shaped folded plates are welded and fixed on the flange edge, and the other inclined section is back to the H-shaped steel beam.
The circular arc-shaped slope roof contour plate construction structure is characterized in that the profiled steel plate, the short L-shaped folded plates and the long L-shaped folded plates are fixedly connected through steel nails, and the steel nails penetrate through the profiled steel plate and are respectively welded and fixed with the short L-shaped folded plates and the long L-shaped folded plates.
The circular arc type sloping roof contour plate construction structure is characterized in that the heights of the vertical sections of the short L-shaped folded plates and the long L-shaped folded plates are respectively the height of the radian line of the circular arc type sloping roof at the positions, and the inclined sections are parallel to the inclined direction of a profiled steel plate in a contour plate assembly.
The circular arc-shaped slope roof contour plate construction structure is characterized in that a plurality of stiffening plates are welded and fixed between vertical sections and oblique sections of the short L-shaped folded plates and the long L-shaped folded plates, and between outer sides of vertical sections of the long L-shaped folded plates and the H-shaped steel beam at intervals.
The circular arc slope roof contour plate construction structure is characterized in that a plurality of V-shaped grooves are rolled in the profiled steel sheet at equal intervals in the banner.
The arc-shaped slope roof contour plate construction structure is characterized in that the plurality of groups of longitudinal truss ribs are arranged in the cross beam of the profiled steel sheet at equal intervals.
The circular arc-shaped slope roof contour plate construction structure is characterized in that the longitudinal bottom ribs are arranged between two groups of longitudinal truss ribs.
A construction method of a circular arc type sloping roof contour plate construction structure is characterized by comprising the following specific steps:
1) manufacturing an H-shaped steel beam and an L-shaped folded plate, wherein the H-shaped steel beam is manufactured according to the design size requirement, the L-shaped folded plate is manufactured, the height of the vertical edge of the folded plate is blanked according to the actual height size of the arc tangent line of the roof at the corresponding position of the folded plate, the inner angle of the folded plate is consistent with the oblique angle of the profiled steel sheet, the vertical section of the L-shaped folded plate is welded on the edge of the cross section of the upper flange of the H-shaped steel beam, and the L-;
2) welding stiffening plates, namely selecting steel plates as stiffening plate materials, blanking according to the design size, and welding the stiffening plates between the inner angles of the short L-shaped folded plates and the long L-shaped folded plates and between the outer sides of the straight sections of the long L-shaped folded plates and the H-shaped steel beams;
3) hoisting the steel beam, namely hoisting the steel beam in place after welding the short L-shaped folded plates, the long L-shaped folded plates and the stiffening plates on the H-shaped steel beam;
4) the truss ribs and the profiled steel sheets are connected into a whole by spot welding, are hoisted to the roof steel beam, are placed on L-shaped folded plates and are sequentially installed from left to right, and the reverse buckle of the profiled steel sheet in the right width is buckled into a grout stopping groove in the left width during installation, wherein the truss ribs comprise three longitudinal steel bars and a vertical bar shaped like a Chinese character 'ji', the three longitudinal steel bars are arranged at the lower end corner of the vertical bar, the top of the three longitudinal steel bars is provided with two vertical steel bars, the top of the three vertical steel bars is provided with one vertical steel bar, and the longitudinal steel bars and the vertical bar are connected by spot welding;
5) welding steel nails, namely after the profiled steel sheets are sequentially placed on the short L-shaped folded plates and the long L-shaped folded plates, penetrating the profiled steel sheets and welding the steel nails on the short L-shaped folded plates and the long L-shaped folded plates;
6) installing longitudinal bottom ribs: after all the profiled steel sheets are fixed by steel nails, longitudinal bottom ribs are arranged in the intervals of the truss ribs, and a plurality of longitudinal bottom ribs are arranged at intervals and are continuously arranged along the longitudinal direction;
7) installing a bidirectional reinforcing mesh: binding longitudinal and transverse steel bars on the upper parts of the truss ribs by taking the truss ribs as supporting heights;
8) checking, checking and accepting, and pouring and smashing concrete for curing: after the profiled steel sheet and the reinforcing mesh are constructed, quality acceptance is required, after the acceptance is finished, cast arc roof concrete is sequentially cast from a low point to a high point, a special radian ruler is used for leveling, and the cast concrete is required to be watered or subjected to film covering maintenance treatment.
By adopting the technology, compared with the prior art, the invention has the following beneficial effects:
1) the invention can enhance the longitudinal rigidity of the profiled steel sheet by rolling a plurality of V-shaped grooves in the profiled steel sheet banner at equal intervals, ensure the profiled steel sheet to have certain rigidity in the span by the arranged longitudinal truss ribs and longitudinal bottom ribs, effectively and fixedly connect the profiled steel sheet and the steel beam by the arranged short L folded plates, long L folded plates and welded steel nails, and ensure the construction safety;
2) after the roof cast-in-place slab is poured, the profiled steel sheet and the concrete structure work together under stress, and the concrete usage among steel beams can be reduced;
3) in the construction process, the profiled steel sheet is used as the disassembly-free bottom die of the cast-in-place roof panel, so that after the roof panel is cast and tamped, the bottom of the panel is clean and does not need to be plastered, and the subsequent decoration cost can be saved; and the working procedures of erecting and dismantling the formwork and erecting and dismantling the formwork are omitted, so that the double benefits of saving the construction period and saving the cost can be finally realized, the application and popularization value is high, and beneficial social benefits and economic benefits are generated.
Drawings
FIG. 1 is a sectional view of a profiled steel sheet mounting node of the present invention;
FIG. 2 is a schematic view of a profiled steel sheet according to the present invention.
In the figure, 1, H-shaped steel beams, 2, short L folded plates, 3, stiffening plates, 4, profiled steel plates, 5, truss ribs, 6, steel nails, 7, longitudinal bottom ribs, 8, bidirectional reinforcing meshes and 9, long L folded plates are arranged.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
On the contrary, the invention is intended to cover alternatives, modifications, equivalents and alternatives which may be included within the spirit and scope of the invention as defined by the appended claims. Furthermore, in the following detailed description of the present invention, certain specific details are set forth in order to provide a better understanding of the present invention. It will be apparent to one skilled in the art that the present invention may be practiced without these specific details.
Referring to fig. 1-2, a circular arc-shaped slope roof contour plate construction structure is characterized by comprising an H-shaped steel beam 1, a contour plate assembly, a short L-shaped folded plate 2 and a long L-shaped folded plate 9, wherein the contour plate assembly is arranged on the upper part of the H-shaped steel beam 1, and the H-shaped steel beam 1 and the contour plate assembly are connected through the short L-shaped folded plate 2 and the long L-shaped folded plate 9;
the transverse section of the flange of the H-shaped steel beam 1 is provided with a short L type folded plate 2 and a long L type folded plate 9, the short L type folded plate 2 and the long L type folded plate 9 are respectively arranged on two sides of the transverse section of the flange of the H-shaped steel beam 1, the straight section of the short L type folded plate 2 and the long L type folded plate 9 is fixedly welded on the edge of the flange, the other inclined section of the short 3875 type folded plate 9 is opposite to the H-shaped steel beam 1, the vertical sections of the short L type folded plate 2 and the long L type folded plate 9 are respectively the height of the radian line of the arc-shaped sloping roof at the position, the inclined sections are parallel to the inclined direction of the profiled steel plate 4 in the profiled plate assembly, and a plurality of stiffening plates 3 are respectively welded and fixed between.
The contour plate component comprises a profiled steel sheet 4 which is obliquely arranged, a plurality of groups of longitudinal truss ribs 5, a plurality of longitudinal bottom ribs 7 and a bidirectional reinforcing mesh 8 which is arranged on the upper parts of the longitudinal truss ribs 5;
the groups of longitudinal truss ribs 5 are arranged in the banner of the profiled steel sheet 4 at equal intervals; the longitudinal bottom ribs 7 are arranged between the two groups of longitudinal truss ribs 5; the profiled steel sheet 4 is rolled with a plurality of V-shaped grooves at equal intervals in the banner.
A construction method of a circular arc type sloping roof contour plate construction structure comprises the following specific steps:
1) manufacturing H-shaped steel beams 1 and L folded plates, namely manufacturing the H-shaped steel beams 1 according to design requirements, manufacturing L-shaped folded plates, wherein the materials are 8mm thick steel plates, the height of the vertical edges of the folded plates is blanked according to the actual height dimension of the arc tangent line of the roof at the corresponding position of the folded plates, the width of the other oblique section is 60mm, the internal angle of the folded plates is consistent with the oblique angle of the profiled steel plate 4, the vertical section of the L-shaped folded plates is welded on the cross section edge of the upper flange of the H-shaped steel beam 1, and the L-shaped folded plates are;
2) welding a stiffening plate 3, namely selecting a 6mm thick steel plate as the material of the stiffening plate 3, blanking according to the design size for manufacturing, welding the stiffening plate 3 between the inner angles of the short L-shaped folded plates 2 and the long L-shaped folded plates 9 and the outer sides of the straight sections of the long L-shaped folded plates 9 and the H-shaped steel beam 1 at a distance of 1152 mm;
3) hoisting the steel beam, namely hoisting the steel beam in place after welding the short L-shaped folded plates 2, the long L-shaped folded plates 9 and the stiffening plates 3 on the H-shaped steel beam 1;
4) installing a profiled steel plate 4, namely the profiled steel plate 4 adopts a galvanized steel plate with the thickness of 0.5mm, a V-shaped groove is bent at a distance of 188mm, the height of the V-shaped groove is 30mm, the length of the profiled steel plate 4 is blanked according to the clear distance of a steel beam, a truss rib 5 and the profiled steel plate 4 are connected into a whole by spot welding, the integral truss rib is hoisted to the steel beam of a roof, placed on an L-shaped folded plate and sequentially installed from left to right, and during installation, an inverted buckle of the profiled steel plate 4 of the right width is buckled into a grout stopping groove of the left width, and sequentially installed, wherein the truss rib 5 consists of three longitudinal steel bars and a vertical rib in a shape like a Chinese character 'ji', the three longitudinal steel bars are provided with two at the lower corner of the vertical rib;
5) welding steel nails 6, namely after the profiled steel sheet 4 is sequentially arranged on the short L-shaped folded plate 2 and the long L-shaped folded plate 9, penetrating the profiled steel sheet 4 to weld the steel nails 6 on the short L-shaped folded plate 2 and the long L-shaped folded plate 9, wherein the distance between the steel nails 6 is 500 mm;
6) installing a longitudinal bottom rib 7: after the profiled steel sheets 4 are fixed by the steel nails 6, longitudinal bottom ribs 7 are arranged in the intervals of the truss ribs 5, and a plurality of longitudinal bottom ribs are arranged at intervals and are continuously arranged along the longitudinal direction;
7) installing a bidirectional reinforcing mesh 8: binding longitudinal and transverse steel bars on the upper parts of the truss ribs 5 by taking the truss ribs 5 as supporting heights;
8) checking, checking and accepting, and pouring and smashing concrete for curing: after the profiled steel sheet 4 and the reinforcing mesh 8 are constructed, quality acceptance is required, after the acceptance is finished, cast circular arc roof concrete is sequentially cast from a low point to a high point, a special radian ruler is used for leveling, and the cast concrete is required to be watered or subjected to film covering maintenance treatment.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (9)
1. The circular arc type slope roof contour plate construction structure is characterized by comprising an H-shaped steel beam (1), a profiled plate assembly, a short L-shaped folded plate (2) and a long L-shaped folded plate (9), wherein the profiled plate assembly is arranged on the upper part of the H-shaped steel beam (1), and the H-shaped steel beam (1) and the profiled plate assembly are connected through the short L-shaped folded plate (2) and the long L-shaped folded plate (9);
the contour plate component comprises a profiled steel sheet (4) which is obliquely arranged, a plurality of groups of longitudinal truss ribs (5), a plurality of longitudinal bottom ribs (7) and a bidirectional reinforcing mesh (8) which is arranged on the upper portion of the longitudinal truss ribs (5).
2. The circular arc type slope roof contour plate construction structure according to claim 1, characterized in that the short L-shaped folded plate (2) and the long L-shaped folded plate (9) are respectively arranged at both sides of the cross section of the flange of the H-shaped steel beam (1), the straight sections of the short L-shaped folded plate (2) and the long L-shaped folded plate (9) are welded and fixed at the flange edge, and the other inclined section is back to the H-shaped steel beam (1).
3. The circular arc type slope roof contour plate construction structure according to claim 1, characterized in that the profiled steel sheet (4), the short L type folded plate (2) and the long L type folded plate (9) are fixedly connected through steel nails (6), and the steel nails (6) penetrate through the profiled steel sheet (4) and are respectively welded and fixed with the short L type folded plate (2) and the long L type folded plate (9).
4. The circular arc type slope roof contour plate construction structure according to claim 1, characterized in that the height of the vertical section of the short L type folded plate (2) and the long L type folded plate (9) is the height of the radian line of the circular arc type slope roof at the position, respectively, and the inclined section is parallel to the slant of the profiled steel plate (4) in the contour plate assembly.
5. The circular arc type slope roofing contour plate construction structure according to claim 1, characterized in that a plurality of stiffening plates (3) are welded and fixed between the vertical sections and the oblique sections of the short L type folded plates (2) and the long L type folded plates (9) and between the outer sides of the vertical sections of the long L type folded plates (9) and the H-shaped steel beam (1) at intervals.
6. The circular arc type sloping roof contour plate construction structure according to claim 1, characterized in that a plurality of V-shaped grooves are rolled in the profiled steel sheet (4) at equal intervals in the banner.
7. The circular arc type slope roof contour plate construction structure according to claim 1, characterized in that the multiple sets of longitudinal truss ribs (5) are arranged at equal intervals in the horizontal web of the profiled steel sheet (4).
8. The circular arc type slope roofing contour plate construction structure according to claim 1, characterized in that said longitudinal bottom rib (7) is arranged between two sets of longitudinal truss ribs (5).
9. A construction method of a circular arc type sloping roof contour plate construction structure is characterized by comprising the following specific steps:
1) manufacturing an H-shaped steel beam (1) and an L-shaped folded plate, wherein the H-shaped steel beam (1) is manufactured according to the design size requirement, the L-shaped folded plate is manufactured, the height of the vertical edge of the folded plate is blanked according to the actual height size of the arc tangent line of the roof at the corresponding position of the folded plate, the inner angle of the folded plate is consistent with the oblique angle of the profiled steel sheet (4), the vertical section of the L-shaped folded plate is welded on the cross section edge of the upper flange of the H-shaped steel beam (1), and the L-shaped folded plate and the H;
2) welding stiffening plates (3), wherein the stiffening plates (3) are made of steel plates through blanking according to the design size, and the stiffening plates (3) are welded between the inner angles of the short L-shaped folded plates (2) and the long L-shaped folded plates (9) and the outer sides of the straight sections of the long L-shaped folded plates (9) and the H-shaped steel beams (1);
3) hoisting the steel beam, namely hoisting the steel beam in place after welding short L-shaped folded plates (2), long L-shaped folded plates (9) and stiffening plates (3) on the H-shaped steel beam (1);
4) installing a profiled steel plate (4), namely, the profiled steel plate (4) adopts a steel plate, bending V-shaped grooves at equal intervals, blanking the length of the profiled steel plate (4) according to the clear distance of a steel beam, spot-welding the truss rib (5) and the profiled steel plate (4) into a whole, hoisting the whole to a roof steel beam, placing the whole on an L-shaped folded plate, and sequentially installing from left to right, wherein the inverted buckle of the profiled steel plate (4) on the right is buckled into a grout stop groove on the left during installation, and the truss rib (5) is sequentially installed, wherein the truss rib (5) consists of three longitudinal steel bars and a vertical rib in a shape like a Chinese character 'ji', the lower corner part of the vertical rib is provided with two longitudinal steel bars, the top part of the vertical steel bar is provided with one longitudinal steel;
5) welding steel nails (6), namely, after the profiled steel sheet (4) is sequentially placed on the short L-shaped folded plate (2) and the long L-shaped folded plate (9), the steel nails (6) penetrate through the profiled steel sheet (4) to be welded on the short L-shaped folded plate (2) and the long L-shaped folded plate (9);
6) mounting longitudinal bottom ribs (7): after the profiled steel sheets (4) are fixed by steel nails (6), longitudinal bottom ribs (7) are arranged in the intervals of the truss ribs (5), and a plurality of longitudinal bottom ribs are arranged at intervals and are continuously arranged along the longitudinal direction;
7) installing a bidirectional reinforcing mesh (8): binding longitudinal and transverse steel bars on the upper part of the truss rib (5) by taking the truss rib (5) as a supporting height;
8) checking, checking and accepting, and pouring and smashing concrete for curing: after the profiled steel sheet (4) and the reinforcing mesh (8) are constructed, quality acceptance is required, after the acceptance is finished, cast and tamped arc-shaped roof concrete is sequentially cast from a low point to a high point and is strickled off by a special radian ruler, and the cast concrete is required to be watered or subjected to film covering maintenance treatment.
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CN202010420690.1A CN111441524A (en) | 2020-05-18 | 2020-05-18 | Arc-shaped slope roof contour plate construction structure and construction method thereof |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110565864A (en) * | 2019-08-21 | 2019-12-13 | 中建四局第六建筑工程有限公司 | Pitched roof truss floor plate and construction method thereof |
CN112681594A (en) * | 2020-12-24 | 2021-04-20 | 上海建工五建集团有限公司 | Construction method of special-shaped slideway |
CN113931363A (en) * | 2021-10-27 | 2022-01-14 | 中铁三局集团建筑安装工程有限公司 | Construction method of steel truss and profiled steel plate concrete composite floor |
CN114922356A (en) * | 2022-05-27 | 2022-08-19 | 中建八局第三建设有限公司 | Roof lighting skylight with electric smoke exhaust fan and construction method thereof |
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2020
- 2020-05-18 CN CN202010420690.1A patent/CN111441524A/en active Pending
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110565864A (en) * | 2019-08-21 | 2019-12-13 | 中建四局第六建筑工程有限公司 | Pitched roof truss floor plate and construction method thereof |
CN112681594A (en) * | 2020-12-24 | 2021-04-20 | 上海建工五建集团有限公司 | Construction method of special-shaped slideway |
CN113931363A (en) * | 2021-10-27 | 2022-01-14 | 中铁三局集团建筑安装工程有限公司 | Construction method of steel truss and profiled steel plate concrete composite floor |
CN114922356A (en) * | 2022-05-27 | 2022-08-19 | 中建八局第三建设有限公司 | Roof lighting skylight with electric smoke exhaust fan and construction method thereof |
CN114922356B (en) * | 2022-05-27 | 2023-10-27 | 中建八局第三建设有限公司 | Roof lighting skylight with electric smoke exhaust fan and construction method thereof |
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