CN116771026A - Continuous multi-curved-surface sound-absorbing suspended ceiling and construction method - Google Patents
Continuous multi-curved-surface sound-absorbing suspended ceiling and construction method Download PDFInfo
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- CN116771026A CN116771026A CN202310844219.9A CN202310844219A CN116771026A CN 116771026 A CN116771026 A CN 116771026A CN 202310844219 A CN202310844219 A CN 202310844219A CN 116771026 A CN116771026 A CN 116771026A
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- 238000010276 construction Methods 0.000 title claims abstract description 36
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 49
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- 238000003466 welding Methods 0.000 claims description 12
- 238000013461 design Methods 0.000 claims description 11
- 238000006243 chemical reaction Methods 0.000 claims description 10
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- 230000003044 adaptive effect Effects 0.000 claims description 3
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- 238000003825 pressing Methods 0.000 claims description 3
- 230000001680 brushing effect Effects 0.000 claims description 2
- 238000013016 damping Methods 0.000 claims description 2
- 238000003780 insertion Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims description 2
- 238000003754 machining Methods 0.000 claims description 2
- 238000001035 drying Methods 0.000 description 3
- 229910052602 gypsum Inorganic materials 0.000 description 3
- 239000010440 gypsum Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 239000011265 semifinished product Substances 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 238000005034 decoration Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 239000000741 silica gel Substances 0.000 description 2
- 229910002027 silica gel Inorganic materials 0.000 description 2
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- 229910001335 Galvanized steel Inorganic materials 0.000 description 1
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Classifications
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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
- E04B9/00—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/343—Structures characterised by movable, separable, or collapsible parts, e.g. for transport
- E04B1/34305—Structures characterised by movable, separable, or collapsible parts, e.g. for transport telescopic
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B9/00—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation
- E04B9/001—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation characterised by provisions for heat or sound insulation
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B9/00—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation
- E04B9/06—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation characterised by constructional features of the supporting construction, e.g. cross section or material of framework members
- E04B9/061—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation characterised by constructional features of the supporting construction, e.g. cross section or material of framework members supporting construction for curved ceilings
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B9/00—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation
- E04B9/18—Means for suspending the supporting construction
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B9/00—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation
- E04B9/22—Connection of slabs, panels, sheets or the like to the supporting construction
- E04B9/24—Connection of slabs, panels, sheets or the like to the supporting construction with the slabs, panels, sheets or the like positioned on the upperside of, or held against the underside of the horizontal flanges of the supporting construction or accessory means connected thereto
- E04B9/245—Connection of slabs, panels, sheets or the like to the supporting construction with the slabs, panels, sheets or the like positioned on the upperside of, or held against the underside of the horizontal flanges of the supporting construction or accessory means connected thereto by means of screws, bolts or clamping strips held against the underside of the supporting construction
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F21/00—Implements for finishing work on buildings
- E04F21/18—Implements for finishing work on buildings for setting wall or ceiling slabs or plates
-
- 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
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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
- E04G21/167—Tools or apparatus specially adapted for working-up plates, panels or slab shaped building elements
-
- 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
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/10—Geometric CAD
- G06F30/13—Architectural design, e.g. computer-aided architectural design [CAAD] related to design of buildings, bridges, landscapes, production plants or roads
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/20—Design optimisation, verification or simulation
Abstract
The application discloses a continuous multi-curved surface sound-absorbing suspended ceiling and a construction method thereof, wherein the continuous multi-curved surface sound-absorbing suspended ceiling comprises a steel frame assembly, a suspended ceiling assembly and a connecting assembly for connecting the steel frame assembly and the suspended ceiling assembly; the suspended ceiling assembly comprises a GRG plate, a dry hanging piece and a fixing nut, wherein the dry hanging piece comprises a buried plate embedded in the GRG plate and a hanging plate fixedly arranged on the buried plate, the hanging plate is perpendicular to a curved surface suspended ceiling tangent line at a corresponding position, and the fixing nut is fixedly arranged on the side surface of the hanging plate; the connecting component is arranged close to the end part of the GRG plate and comprises an upper bearing, a lower bearing, a fixed rod fixedly connected with the upper bearing and the inner ring of the lower bearing respectively, an upper screw rod fixedly arranged on the outer ring of the upper bearing and a lower screw rod fixedly arranged at the lower bearing; the side wall of the top of the arc-shaped keel is provided with a jack, an upper screw rod is inserted into the jack perpendicular to the side wall of the arc-shaped keel, and the upper screw rod is locked by locking nuts positioned on the upper side and the lower side of the arc-shaped keel; the lower end of the lower screw rod is in threaded connection with the fixing nut. The application has simple operation and convenient installation, and can ensure the installation precision of the multi-curved-surface suspended ceiling.
Description
Technical Field
The application relates to the technical field of decorative suspended ceilings, in particular to a continuous multi-curved-surface sound-absorbing suspended ceiling and a construction method.
Background
The modeling of the suspended ceilings in large spaces such as the performance hall, the audience hall and the like can be changed greatly, and the suspended ceilings are characterized in that the air potential and the design feel of the air pound are represented by limited specification combinations during design, and more importantly, the problems of fire resistance, durability, sound absorption and reflection in the space and the like are solved.
The GRG board is also called as a glass fiber reinforced gypsum board composite material, and has a very unique molecular structure, so the material has relatively high hardness, can well resist the conditions of damage, deformation, cracking and the like caused by the external environment even if the external environment is severe, has very obvious line shape, can meet the curved surface design of different degrees, has novel and complex shape and special design concept, gives people the new feeling of the appearance, and is very suitable for the requirements of large-space suspended ceilings such as a performance hall, a spectator hall and the like.
At present, curved surface GRG board furred ceiling is widely used, refer to FIG. 1 for the mounting structure that curved surface GRG board furred ceiling is commonly used, it includes the conversion steelframe, curved surface GRG board and the dry pendant of pre-buried on the GRG board, the waist shape hole has been seted up on the dry pendant, the bolt that passes waist shape hole is adopted to dry pendant and is connected with the top steelframe, because curved surface furred ceiling, the angle and the position of furred ceiling board are changeable, during the installation, need special constructor control GRG board not rock, then adjust the four corners elevation of plate, after the plate location is accurate, just can screw up the bolt and lock, for continuous multi-curved surface furred ceiling, the construction is comparatively loaded down with trivial details, and when adjusting the plate, need special constructor control GRG board's position, it takes time and labor to take time.
Disclosure of Invention
The application provides a continuous multi-curved-surface sound-absorbing suspended ceiling and a construction method thereof, which are simple to operate and convenient to install, and can ensure the installation precision of the multi-curved-surface suspended ceiling.
The technical problems to be solved are as follows: the angle and the position of current curved surface furred ceiling, the furred ceiling board are changeable, and during the installation, need special constructor control GRG board not rock, then through waist shape hole adjustment plate's on the pendant four corners elevation, to the plate location after accurate, just can screw up the bolt and lock, to continuous many curved surface furred ceilings, the construction is comparatively loaded down with trivial details, and when adjusting the plate, need special constructor control GRG board's position, takes time and labor.
In order to solve the technical problems, the application adopts the following technical scheme:
the application relates to a continuous multi-curved surface sound-absorbing suspended ceiling, which comprises a steel frame assembly, a suspended ceiling assembly and a connecting assembly for connecting the steel frame assembly and the suspended ceiling assembly;
the steel frame assembly comprises a vertical rod piece and an arc-shaped keel, the upper end of the vertical rod piece is connected with the building structure, the lower end of the vertical rod piece is connected with the arc-shaped keel, and the arc-shaped keel is arranged along the radian of the curved suspended ceiling;
the suspended ceiling assembly comprises GRG plates, dry hanging pieces and fixing nuts, wherein folded edges are formed at the end parts of the GRG plates and are used for connecting adjacent GRG plates; the dry hanging piece comprises a buried plate embedded in the GRG plate and a hanging plate fixedly arranged on the buried plate, the hanging plate is perpendicular to a curved surface suspended ceiling tangent line at a corresponding position, and the fixing nut is fixedly arranged on the side face of the hanging plate;
the connecting component is arranged close to the end part of the GRG plate and comprises an upper bearing, a lower bearing, a fixed rod fixedly connected with the upper bearing and the inner ring of the lower bearing respectively, an upper screw rod fixedly arranged on the outer ring of the upper bearing and a lower screw rod fixedly arranged at the lower bearing; the arc keel is made of angle steel, a jack is formed in the side wall of the top of the arc keel, the upper screw is perpendicular to the side wall of the arc keel and is inserted into the jack, and the upper screw is locked by locking nuts on the upper side and the lower side of the arc keel in a matched mode; the lower end of the lower screw rod is in threaded connection with the fixing nut.
The application relates to a continuous multi-curved-surface sound-absorbing suspended ceiling, which is further characterized in that a conversion steel frame is arranged between vertical rods and arc keels, the conversion steel frame comprises transverse rods, longitudinal rods connected between the transverse rods and connecting rods connected between the arc keels and the transverse rods, and the transverse rods are connected with the vertical rods.
The application relates to a continuous multi-curved surface sound-absorbing suspended ceiling, and further relates to a waist-shaped jack.
The application discloses a continuous multi-curved surface sound-absorbing suspended ceiling, further, gaps exist between the folded edges of adjacent GRG plates, a base plate is arranged in the gaps, and the folded edges are connected through opposite threaded rods.
The application relates to a continuous multi-curved-surface sound-absorbing suspended ceiling, which is characterized in that the joint of GRG plates is filled with caulking paste, and grid cloth is pressed into the caulking paste.
The application relates to a continuous multi-curved surface sound-absorbing suspended ceiling, and further relates to a decorative layer arranged at the bottom of a GRG (glass fiber reinforced glass) board.
The application relates to a continuous multi-curved surface sound-absorbing suspended ceiling, which is characterized in that a communicating groove is formed in the side surface of a jack, and an upper screw rod is inserted into the jack from the communicating groove.
The application discloses a construction method of a continuous multi-curved-surface sound-absorbing suspended ceiling, which comprises the following steps:
step 1: performing three-dimensional scanning on the building structure to obtain point clouds, importing the point clouds into rhinoceros software, establishing a 3D model by combining three-dimensional scanning actual data, simulating site construction, and checking conflict points in advance;
step 2: the GRG plate is designed and optimized by combining the model effect, and is divided into plates with different shapes according to the shapes and the sizes of different parts, and numbering is carried out; drawing a processing diagram of each plate according to the optimal design;
step 3: prefabricating GRG plates according to a machining diagram factory and transporting the GRG plates to a construction site;
step 4: installing steel frame components, fixing all components among the steel frame components by welding, checking the firmness of each welding spot after welding, and brushing antirust paint after checking;
step 5: performing measurement and inspection, wherein the installation of the steel frame component is forbidden to generate a positive error, namely, the steel frame component can be only small and cannot be large;
step 6: according to the elevation and position in the central axis section view, corresponding GRG plates are installed according to the principles of low, high, front and back, during installation, the GRG plates are firstly connected with a lower screw rod of a connecting assembly, then a pair of locking nuts are installed on an upper screw rod, then the upper screw rod on the GRG plates is clamped into an insertion hole from the side face, the locking nuts are controlled, the upper screw rod is rotated, the positions of the GRG plates are adjusted up and down, the GRG plates are moved along kidney-shaped holes, the size of the joints between the GRG plates is adjusted, the turning radius of the GRG plates is adjusted to be consistent with the radian of an arc-shaped keel, the central axis position, the front and back positions and the elevation of four corners of a plate are repeatedly checked until the positioning is accurate, and then the two locking nuts are screwed for locking; all the plates are connected by a pair of threaded rods;
step 7: filling the lower part of the hemming connecting seam with caulking paste, standing for 24 hours, and filling the self-carried hemming groove on the GRG plate with the caulking paste again, and pressing in the gridding cloth during the period to ensure that the GRG plate is not higher than the GRG plate;
step 8: and installing a GRG (glass fiber reinforced glass) plate finishing layer.
The application relates to a construction method of a continuous multi-curved-surface sound-absorbing suspended ceiling, which is characterized in that 8-12mm construction adjusting joints are reserved when each GRG plate is installed, adjusting cushion blocks with adaptive thickness are added between the plates, and the adjusting cushion blocks are used for properly adjusting the turning radius of the GRG plates, so that the radian is synchronous with a steel structure.
The application relates to a construction method of a continuous multi-curved-surface sound-absorbing suspended ceiling, and further, the GRG plate is installed by combining a reference axis and a level point, and each positioning point is fully considered to be perpendicular to a tangent line of an arc-shaped surface.
Compared with the prior art, the application has the following beneficial effects:
1. according to the application, the GRG plate is connected with the arc-shaped keels through the connecting component, the double locking nuts are used for locking, the upper screw rod is clamped into the jack during installation, the upper locking nuts are used for preliminary positioning, then the installation position of the GRG plate is corrected, the height of the GRG plate can be adjusted up and down by rotating the upper screw rod, the jack is arranged as a kidney-shaped hole, the gap between the GRG plates is adjusted, the accurate installation adjustment and positioning of the multi-curved suspended ceiling are realized, and the installation is convenient and the adjustment is convenient;
2. the jack is set to be a waist-shaped hole, 8-12mm construction adjusting joints are reserved when the jack is matched with each GRG plate block to be installed, and the adjusting cushion blocks with the adaptive thickness are added between the plate blocks to properly adjust the turning radius of the GRG plate, so that the radian is synchronous with a steel structure, and the installation accuracy of the GRG plate is ensured;
3. by adopting the combination of the reference axis and the level point for position control, each positioning point needs to fully consider the perpendicular to the tangent line of the arc surface, so that the installation accuracy of the hyperbolic GRG plate is ensured.
The application is further described below with reference to the accompanying drawings.
Drawings
FIG. 1 is a schematic diagram of a structure of the background art of the application;
FIG. 2 is a schematic illustration of the arc profile of a ceiling tile in accordance with the present application;
FIG. 3 is a schematic view of the mounting structure of the present application;
FIG. 4 is an enlarged schematic view of portion A of FIG. 3;
FIG. 5 is a schematic view of a connecting assembly according to the present application;
figure 6 is a plan view of an arcuate keel according to the application.
Reference numerals:
1. a steel frame assembly; 1.1, a vertical rod piece; 1.2, converting a steel frame; 1.3, arc keels; 2. a ceiling assembly; 2.1, GRG plates; 2.2, drying the hanging pieces; 2.3, fixing the nut; 2.4, flanging; 3. a connection assembly; 3.1, upper bearing; 3.2, lower bearing; 3.3, fixing rod; 3.4, feeding a screw; 3.5, lower screw rod; 4. a jack; 5. a lock nut; 6. a communication groove; 7. a cushion block; 8. caulking paste; 9. and (5) oppositely penetrating the screw rod.
Detailed Description
As shown in fig. 1 to 6, the structure of the continuous multi-curved-surface sound-absorbing suspended ceiling and the construction method thereof of the application comprises a steel frame assembly 1, a suspended ceiling assembly 2 and a connecting assembly 3 for connecting the steel frame assembly 1 and the suspended ceiling assembly 2.
The steel frame assembly 1 comprises vertical rod pieces 1.1, a conversion steel frame 1.2 and arc keels 1.3, wherein the upper end of the vertical rod piece 1.1 is connected with a building structure, the lower end of the vertical rod piece is connected with the conversion steel frame 1.2, the conversion steel frame 1.2 comprises transverse rod pieces connected with the vertical rod pieces 1.1, longitudinal rod pieces connected between the transverse rod pieces and connecting rod pieces connected between the arc keels 1.3 and the transverse rod pieces, and the length of the connecting rod pieces is variable so as to adapt to the radian change of the arc keels 1.3. The arc keel 1.3 is arranged along the radian of the curved suspended ceiling.
The suspended ceiling component 2 comprises a plurality of arc GRG plates 2.1, a dry hanging piece 2.2 and a fixing nut 2.3 which are arranged on the GRG plates 2.1, wherein a folded edge 2.4 is formed at the end part of each GRG plate 2.1 towards the inner side and is used for connecting adjacent GRG plates 2.1; the dry hanging piece 2.2 comprises a buried plate embedded in the GRG plate 2.1 and a hanging plate fixedly arranged on the buried plate, the hanging plate is perpendicular to a tangent line of the arc-shaped keel 1.3 in the curved surface suspended ceiling at the corresponding position, and the fixing nut 2.3 is welded on the side face of the hanging plate.
The connecting component 3 is arranged close to the end part of the GRG plate 2.1 and comprises an upper bearing 3.1, a lower bearing 3.2, a fixed rod 3.3 fixedly connected with the inner rings of the upper bearing 3.1 and the lower bearing 3.2 respectively, an upper screw rod 3.4 fixedly arranged on the outer ring of the upper bearing 3.1 and a lower screw rod 3.5 fixedly arranged on the outer ring of the lower bearing 3.2, wherein angle steel is selected as the arc-shaped keel 1.3, a jack 4 is formed in the side wall of the top of the arc-shaped keel, the upper screw rod 3.4 is inserted into the jack 4 perpendicular to the side wall of the arc-shaped keel 1.3, and the upper screw rod 3.4 is locked by matching with damping gaskets through locking nuts 5 positioned on the upper side and the lower side of the arc-shaped keel 1.3; the lower end of the lower screw rod 3.5 is in threaded connection with the fixed nut 2.3.
The jack 4 is a waist-shaped hole, the gap between 2.1 blocks of GRG plates is adjusted, the accurate installation, adjustment and positioning of the multi-curved-surface suspended ceiling are realized, and the adjustment is convenient.
In addition, the side of the jack 4 is provided with a communication groove 6, and the upper screw 3.4 is inserted into the jack 4 from the communication groove 6, so that the installation is more convenient.
A gap of 8-12mm exists between the folded edges 2.4 of the adjacent GRG plates 2.1, cushion blocks 7 with corresponding thickness are arranged in the gap, the cushion blocks 7 are wood plates or gypsum plates, and the folded edges 2.4 are connected through opposite penetrating screw rods 9. Through setting jack 4 to waist shape hole, reserve 8-12mm construction adjustment seam when cooperation each GRG board 2.1 inter-block is installed to and cushion 7, increase the regulation cushion 7 of adaptation thickness between the plate for proper adjustment GRG board 2.1's turning radius, accomplish that the radian is synchronous with the steel construction, guarantee GRG board 2.1's installation accuracy
The joint of the GRG plate 2.1 is filled with caulking paste 8, and grid cloth is pressed into the caulking paste 8.
The bottom of the GRG board 2.1 is provided with a finish coat, and the finish coat comprises a putty layer, a primer and a finish coat.
The method comprises the following steps:
because the allowable error of the structural construction is larger, the construction of the GRG plate 2.1 engineering requires high precision, so that the construction cannot completely depend on the civil engineering horizontal datum line, and the datum axis and the horizontal point must be re-measured and corrected and rechecked.
According to the actual structure size of the site, the actual size of the site is reflected to a construction drawing by a level gauge and a standard steel tape, and when the actual size is measured, the measurement error is controlled to be distributed, so that the error cannot be accumulated.
And according to the actual size of the structure after rechecking, drawing deepening design is carried out, and the size of each finished surface is required to be lofted before the GRG plate 2.1 is manufactured and installed, so that the installation accuracy is ensured.
Reasonable scanning route and site selection can save time and avoid redundant scanning data, so that scanning is required to be carried out at different floor selection points, complete scanning of the steel structure part is ensured, and accurate component models are facilitated.
And introducing a site construction coordinate system, dotting coordinates, and ensuring the precision of the coordinate point location to be 3mm so as to meet the requirement of later construction precision.
And (3) performing point cloud processing by using professional software, cleaning and dividing the point cloud, providing pts format point cloud, importing the pts format point cloud into rhinoceros software, establishing a 3D model by combining three-dimensional scanning actual data, simulating site construction, and checking conflict points in advance.
Combining the model effect, carrying out design optimization on the GRG plate 2.1, dividing the GRG plate into plates with different shapes according to the shapes and the sizes of different parts, and numbering the plates; and drawing a processing diagram of each plate according to the optimal design.
The steel frame assembly 1 is made of hot galvanized steel, the plate surface size division and the field steel structure are combined, the construction requirement of the GRG plate 2.1 can be met only by the steel frame conversion layer, the steel frame is connected by welding, the integrity can be ensured by welding, no spot welding and virtual welding are required to be ensured in the electric welding process, the firmness of each welding spot is checked by a hammer after the welding is finished, and antirust paint is brushed after the checking.
The measurement and inspection are carried out in the construction process, the steel structure is manufactured with positive errors strictly forbidden, namely, the steel structure can only be small and cannot be large, and if the steel structure is small in size, the steel structure is adjusted when being installed by the GRG plate 2.1.
According to the design optimization drawing, the method is completed by a professional manufacturer, and the specific flow is as follows: optimizing design drawing, manufacturing an engraving die by a computer engraving machine, horizontally arranging the engraving die, nailing a die frame, turning a silica gel die, precasting a semi-finished product GRG, repairing and modifying defects of the semi-finished product, manufacturing a base layer frame by the semi-finished product, turning the silica gel die, precasting the finished product GRG, curing, drying and packaging for transportation.
The raw materials transportation should accomplish to take lightly when unloading and put, avoids the lack of arris to fall the angle, and the product of same model is put together, avoids producing secondary deformation, and the vertical of putting when will be the same with the loading is put, and should take one deck to take, if because of the place is really narrow, can not exceed 2 layers.
The horizontal transportation is mainly manual single-block transportation, and the handcart is used for single-block transportation, so that multiple overlapping transportation is strictly forbidden.
The low-speed winch is used for vertical transportation, the special canvas hanging strip is matched, the plastic bubble film of the material is firmly bound after being removed, whether the plastic bubble film is hung by a scaffold or not is observed at any time in the lifting process, emergency stop at any time is achieved, and when the plastic bubble film is lifted, a person at the lower part is strictly forbidden.
The material stacking of the operation surface is divided into a plurality of small piles by about 2m at two sides of the central axis position which is withdrawn according to the corresponding number and position, the marks on the back and the side of the product can be observed at any time, marks are supplemented by marker pens when necessary, the lifting along with the supplementing is realized as much as possible, and the overload of the scaffold of the full operation platform is avoided.
And (3) positioning corresponding plates from the stage to the audience according to the elevation and the position in the central axis section view, and carrying out the positioning according to the principles of descending, ascending, and descending.
The GRG plate 2.1 is firstly connected with a lower screw rod 3.5 of a connecting component 3, then a pair of locking nuts are arranged on an upper screw rod 3.4, then the upper screw rod 3.4 on the GRG plate 2.1 is clamped into an inserting hole 4 from the side, the upper screw rod 3.4 is rotated by controlling the locking nuts, the position of the GRG plate 2.1 is adjusted up and down, the GRG plate 2.1 is moved along a kidney-shaped hole, the size of a seam between the GRG plates 2.1 is adjusted, the turning radius of the GRG plate 2.1 is adjusted, the radian of the GRG plate is consistent with that of an arc-shaped keel 1.3, the center shaft position, the front and back positions and the four corners elevation of a plate are repeatedly checked until the positioning is accurate, and then two locking nuts are screwed for locking.
Repeating the above processes, and carrying out plate positioning acceptance inspection on the middle shaft after knowing that the back wall of the auditorium is correct.
And (3) large-area installation, wherein the sequence is the same as that of trial installation, firstly, the GRG plates 2.1 of each front row are installed, then are unfolded towards two sides, finally, the rear row is reserved, similar to the upward-downward pressing mode of a brickwork wall, construction adjusting joints of 8-12mm are reserved for the left and right plates and the front and rear adjacent plates, wood plates or gypsum plates with different thicknesses are used for filling out gaskets, the gaskets are locked by transverse bolts with the diameters of 8mm and the lengths of 60mm, at least two short sides are locked, the number of hanging point rows of the long-side plates is determined, and the like until the two plates are collided to the positions where the whole plates cannot be installed on two sides, at this time, the construction of wall decoration panels is carried out, and the construction of the decoration panels is 100-200mm higher than that of the GRG plates 2.1.
When the device is installed, the gap width is changed by using gaskets with different thicknesses according to the actual direction of steel structures such as a surface light bridge or a sound bridge, so that the turning radius is properly adjusted, and the device is synchronized with the steel structures as much as possible.
The angle steel positioning of the secondary conversion layer is combined with the hanging point of the plate, so that the angle steel positioning is perpendicular to the hanging point and slightly deviates to the rear side, and the screw rod is kept in a perpendicular and slightly backward inclined state.
All the plates are connected by adopting screws, an adjusting cushion block 7 is added in the middle, GRG caulking paste 8 is adopted for filling the lower part of the connecting joint, the front face is firstly filled with the depth of 20mm, the plate is kept stand for 24 hours, the deep caulking grooves on the plate are filled with the caulking paste 8 again, and grid cloth is pressed in during the period, so that the plate is not higher than the plate face, and the plate is preferably slightly embedded by 1-2 mm; the gap is scraped with interior wall putty once in the next day, the interior wall putty is polished and leveled after drying, then the interior wall putty is scraped fully for 1-2 times, the number of times depends on the flatness, but the total thickness is not more than 5mm, and the interior wall putty is brushed for 1 time and the surface paint is brushed for 2 times after polishing. Because the GRG plate 2.1 is double-arc hyperboloid at a plurality of positions, each terminal is positioned to be fully considered to be perpendicular to the tangent line of the arc surface instead of the ground.
The above examples are only illustrative of the preferred embodiments of the present application and are not intended to limit the scope of the present application, and various modifications and improvements made by those skilled in the art to the technical solution of the present application should fall within the scope of protection defined by the claims of the present application without departing from the spirit of the present application.
Claims (10)
1. The utility model provides a sound furred ceiling is inhaled to continuous many curved surfaces which characterized in that: the suspended ceiling comprises a steel frame assembly (1), a suspended ceiling assembly (2) and a connecting assembly (3) for connecting the steel frame assembly (1) and the suspended ceiling assembly (2);
the steel frame assembly (1) comprises a vertical rod piece (1.1) and an arc-shaped keel (1.3), wherein the upper end of the vertical rod piece (1.1) is connected with a building structure, the lower end of the vertical rod piece is connected with the arc-shaped keel (1.3), and the arc-shaped keel (1.3) is arranged along the radian of a curved suspended ceiling;
the suspended ceiling assembly (2) comprises GRG plates (2.1), dry hanging pieces (2.2) and fixing nuts (2.3), wherein folded edges (2.4) are formed at the end parts of the GRG plates (2.1) and are used for connecting adjacent GRG plates (2.1); the dry hanging piece (2.2) comprises a buried plate pre-buried in the GRG plate (2.1) and a hanging plate fixedly arranged on the buried plate, the hanging plate is perpendicular to a curved surface suspended ceiling tangent line at a corresponding position, and the fixing nut (2.3) is fixedly arranged on the side surface of the hanging plate;
the connecting component (3) is arranged close to the end part of the GRG plate (2.1) and comprises an upper bearing (3.1), a lower bearing (3.2), a fixed rod (3.3) fixedly connected with the inner rings of the upper bearing (3.1) and the lower bearing (3.2), an upper screw (3.4) fixedly arranged on the outer ring of the upper bearing (3.1) and a lower screw (3.5) fixedly arranged at the lower bearing (3.2); the arc keel (1.3) is made of angle steel, the side wall of the top of the arc keel is provided with a jack (4), the upper screw (3.4) is perpendicular to the side wall of the arc keel (1.3) and is inserted into the jack (4), and the upper screw (3.4) is locked by matching with the damping gaskets through locking nuts (5) positioned on the upper side and the lower side of the arc keel (1.3); the lower end of the lower screw rod (3.5) is in threaded connection with the fixing nut (2.3).
2. The continuous multi-curved surface acoustic ceiling according to claim 1, wherein: the vertical rod (1.1) and the arc-shaped keel (1.3) are provided with a conversion steel frame (1.2), the conversion steel frame (1.2) comprises transverse rod pieces, longitudinal rod pieces connected between the transverse rod pieces and connecting rod pieces connected between the arc-shaped keel (1.3) and the transverse rod pieces, and the transverse rod pieces are connected with the vertical rod pieces (1.1).
3. The continuous multi-curved surface acoustic ceiling according to claim 1, wherein: the jack (4) is a waist-shaped hole.
4. The continuous multi-curved surface acoustic ceiling according to claim 1, wherein: gaps exist between the folded edges (2.4) of the adjacent GRG plates (2.1), a base plate is arranged in the gaps, and the folded edges (2.4) are connected through opposite penetrating screws (9).
5. The continuous multi-curved surface acoustic ceiling according to claim 1, wherein: the joint of the GRG plate (2.1) is filled with caulking paste (8), and the caulking paste (8) is pressed into the grid cloth.
6. The continuous multi-curved surface acoustic ceiling according to claim 1, wherein: the bottom of the GRG plate (2.1) is provided with a facing layer.
7. The continuous multi-curved surface acoustic ceiling according to claim 1, wherein: the side of the jack (4) is provided with a communication groove (6), and the upper screw (3.4) is inserted into the jack (4) from the communication groove (6).
8. A method of constructing a continuous multi-curved surface acoustic ceiling according to any one of claims 1-7, comprising the steps of:
step 1: performing three-dimensional scanning on the building structure to obtain point clouds, importing the point clouds into rhinoceros software, establishing a 3D model by combining three-dimensional scanning actual data, simulating site construction, and checking conflict points in advance;
step 2: the GRG plate is designed and optimized by combining the model effect, and is divided into plates with different shapes according to the shapes and the sizes of different parts, and numbering is carried out; drawing a processing diagram of each plate according to the optimal design;
step 3: prefabricating GRG plates according to a machining diagram factory and transporting the GRG plates to a construction site;
step 4: installing steel frame components, fixing all components among the steel frame components by welding, checking the firmness of each welding spot after welding, and brushing antirust paint after checking;
step 5: performing measurement and inspection, wherein the installation of the steel frame component is forbidden to generate a positive error, namely, the steel frame component can be only small and cannot be large;
step 6: according to the elevation and position in the central axis section view, corresponding GRG plates are installed according to the principles of low, high, front and back, during installation, the GRG plates are firstly connected with a lower screw rod of a connecting assembly, then a pair of locking nuts are installed on an upper screw rod, then the upper screw rod on the GRG plates is clamped into an insertion hole from the side face, the locking nuts are controlled, the upper screw rod is rotated, the positions of the GRG plates are adjusted up and down, the GRG plates are moved along kidney-shaped holes, the size of the joints between the GRG plates is adjusted, the turning radius of the GRG plates is adjusted to be consistent with the radian of an arc-shaped keel, the central axis position, the front and back positions and the elevation of four corners of a plate are repeatedly checked until the positioning is accurate, and then the two locking nuts are screwed for locking; all the plates are connected by a pair of threaded rods;
step 7: filling the lower part of the hemming connecting seam with caulking paste, standing for 24 hours, and filling the self-carried hemming groove on the GRG plate with the caulking paste again, and pressing in the gridding cloth during the period to ensure that the GRG plate is not higher than the GRG plate;
step 8: and installing a GRG (glass fiber reinforced glass) plate finishing layer.
9. The construction method of the continuous multi-curved surface sound-absorbing suspended ceiling according to claim 8, wherein the construction method comprises the following steps: and when the GRG plates are installed, a construction adjusting joint of 8-12mm is reserved, adjusting cushion blocks with adaptive thickness are added between the plates, and the adjusting cushion blocks are used for properly adjusting the turning radius of the GRG plates, so that the radian is synchronous with a steel structure.
10. The construction method of the continuous multi-curved surface sound-absorbing suspended ceiling according to claim 8, wherein the construction method comprises the following steps: the GRG plate is installed by combining a reference axis and a level point, and each locating point is fully considered to be perpendicular to the tangent line of the arc surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310844219.9A CN116771026A (en) | 2023-07-11 | 2023-07-11 | Continuous multi-curved-surface sound-absorbing suspended ceiling and construction method |
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| CN202310844219.9A CN116771026A (en) | 2023-07-11 | 2023-07-11 | Continuous multi-curved-surface sound-absorbing suspended ceiling and construction method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117230927A (en) * | 2023-11-10 | 2023-12-15 | 中国建筑一局(集团)有限公司 | Assembled wave-shaped sound-absorbing suspended ceiling and construction method thereof |
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- 2023-07-11 CN CN202310844219.9A patent/CN116771026A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117230927A (en) * | 2023-11-10 | 2023-12-15 | 中国建筑一局(集团)有限公司 | Assembled wave-shaped sound-absorbing suspended ceiling and construction method thereof |
| CN117230927B (en) * | 2023-11-10 | 2024-02-27 | 中国建筑一局(集团)有限公司 | Assembled wave-shaped sound-absorbing suspended ceiling and construction method thereof |
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