Fabricated modular GRG construction method

Abstract

The invention belongs to the technical field, and particularly relates to a fabricated modular GRG construction method which comprises the following steps: S1, surveying and setting out, scanning a field steel structure and a base layer, setting out the field by matching with a traditional lofting process, establishing a three-dimensional building information model of a project by using BIM (Building Information Modeling) software, and docking a three-dimensional system, performing a collision test with the original finished surface drawing to detect the original finished surface; s2, a transfer layer is installed, and a transfer layer steel frame is fixedly connected with the building truss. According to the invention, the three-dimensional fine adjustment of the GRG panel in the space can be ensured, and the accuracy and adaptability of the installation of the GRG panel are improved; according to the GRG panel, the mode of folding and locking the GRG panel is adopted, stable fixing of the panel is achieved, it is ensured that adjacent plates do not interfere with each other, the requirement for independent installation and disassembly is met, and follow-up maintenance work is also facilitated.

Description

Technical Field

[0001] The present invention belongs to the technical field, and in particular relates to an assembled modular GRG construction method. Background Art

[0002] GRG is a special building material, also known as glass fiber reinforced gypsum board or precast glass fiber reinforced gypsum products. It is composed of a variety of inorganic materials such as gypsum powder, glass fiber, trace crystallizer and special admixtures. It has excellent physical properties and chemical stability. In the field of construction, GRG materials are widely used in various shapes and decorations, such as ceilings, walls, columns, sculptures, etc. Its unique modeling ability and excellent performance make it one of the important materials for architects and designers to realize creative and personalized design.

[0003] Problems with existing technologies: At present, the ceiling structure is made in blocks. During the GRG construction process, there are many joints between the plates and between the plates and other materials. The workload of joints is huge, and the joint treatment process has extremely high requirements. This not only leads to the extension of construction time, but also the quality of joint treatment is directly related to the overall decorative effect. Summary of the invention

[0004] The purpose of the present invention is to provide an assembled modular GRG construction method, which can ensure the three-dimensional fine-tuning of the GRG panel in space, thereby improving the accuracy and adaptability of the GRG panel installation; the GRG panel folding and locking method is adopted to achieve the stable fixation of the panel, ensuring that adjacent panels do not interfere with each other, which not only meets the needs of independent installation and disassembly, but also facilitates subsequent maintenance work.

[0005] The technical solution adopted by the present invention is as follows: A method for constructing an assembled modular GRG, the method comprising the following steps: S1: Measure and lay out, scan the on-site steel structure and base, and use traditional layout technology to lay out the site, use BIM software to establish a three-dimensional building information model of the project, and connect to the three-dimensional system, and then perform a collision test with the original finished surface drawing to detect the original finished surface; S2: Transfer layer installation, transfer layer steel frame is fixedly connected with building truss; S3: Combined rod installation, locate the telescopic adjustment rod through the point, and then install the top of the telescopic adjustment rod to the conversion layer through the thread. The bottom of the telescopic adjustment rod is installed with an angle code component through the thread. The embedded component is installed on the angle code component through the adjustment component. The embedded component is installed on the GRG panel through the buckle component. The position of the hanger is located by point, and then the hanger is installed on the transfer layer through threads. An angle code is installed at the bottom of the hanger through threads, and two symmetrical embedded parts are fixed on the angle code with bolts; S4: Panel installation, install the GRG panel on the combined rod, cut the GRG panel through BIM, fix the GRG panel on the special-shaped curved surface by folding and locking, first align the folding edge of one plate with the folding edge of another plate, and then connect them tightly together with bolts; for the GRG panel in the flat position, splice by setting the offset interface, align the offset interface of one plate with the corresponding part of another plate, and then fix them together by nailing with wooden beams to ensure that the panels are tightly spliced ​​and have no gaps; after the GRG panel is installed and fixed, the gaps between the panels are caulked; S5: Complete installation and quality inspection.

[0006] In S1, the BIM model is connected with the actual situation on site, and accurate layout is performed according to the model to mark the installation position of the GRG panel.

[0007] The main keel of the transfer layer steel frame is made of hot-dip galvanized square tubes, and the secondary keel is made of hot-dip galvanized angle steel. The secondary keel is vertically connected to the main keel to form a stable transfer layer structure.

[0008] The combined rod comprises a GRG panel, the top of the GRG panel is provided with an embedded plate through a snap assembly, one side of the embedded plate is provided with an L-shaped angle plate through an adjustment assembly, and the top of the L-shaped angle plate is provided with a telescopic adjustment rod through a moving assembly; The buckle assembly includes two first plug-in slots opened at the top of the GRG panel, an embedded plate is inserted between the two first plug-in slots, a buffer slot is opened on the bottom raised portion of the embedded plate and located in the first plug-in slot, a buffer block is installed for damping sliding inside the buffer slot, a plurality of second springs fixed to the inner wall of the buffer slot are fixed on the top of the buffer block, a limit plate is fixed on the top of the GRG panel and located on both sides of the first plug-in slot, a buffer slot is opened through one side of the limit plate, a second plug-in slot is opened on both sides of the embedded plate, a card block matching the buffer slot is installed for sliding inside the second plug-in slot, a first spring fixed to the inner side of the second plug-in slot is fixed on one side of the card block, a third plug-in slot is opened at the middle part of the bottom of the embedded plate, a buffer rod is opened for damping sliding inside the third plug-in slot, a third spring is fixed on the top of the buffer rod, and the top of the third spring is fixed to the inner wall of the third plug-in slot; The adjustment assembly includes a first moving groove on one side of the embedded plate, a first moving block is slidably installed inside the first moving groove, a guide rod slidably connected to the first moving block is fixed inside the first moving groove, a big head bolt is threadedly screwed on one side of the first moving block, one end of the big head bolt passes through the first moving block and abuts against the outer wall of the guide rod, and an L-shaped angle plate is fixed on the other side of the first moving block; The moving component includes a second moving groove opened at the top of the L-shaped angle plate, a screw rod is rotatably installed inside the second moving groove, a second moving block is screwed on the outer wall of the screw rod, a connecting block is fixed on the top of the second moving block, and a telescopic adjustment rod is screwed on the top thread of the connecting block.

[0009] The telescopic adjustment rod includes a sleeve, a plug-in rod is inserted into the interior of the sleeve, a plurality of clamping holes are arranged in a vertical equidistant array on the outer wall of the sleeve, an elastic buckle matching the clamping holes is provided on the outer wall of the plug-in rod, and the bottom end of the plug-in rod is threadedly connected to the connecting block.

[0010] The connecting end of the telescopic adjustment rod and the connecting block adopts M10 thread.

[0011] In the S4, after the surface blocks are installed and fixed, the gap filling method is adopted for the vertical plates and curved parts. A gap of 10 mm is reserved between the plates, a pad is set between the plate seams, and they are connected with knock bolts. GRG seam repair material is used, and a layer of glass felt is pasted at the plate seam position. After the repair, a layer of mesh cloth is pasted to ensure that there are no cracks at the plate seam position.

[0012] After the installation in S5 is completed, the GRG product is tested for installation stability and flatness, and a test report is issued.

[0013] The technical effects achieved by the present invention are: 1. The combined rod member provided in the present invention inserts the protrusion on the embedded plate into the first plug-in slot through the provided snap-in assembly. During the plug-in process, the first spring cooperates to make the card block stuck in the buffer card slot. The buffer block slides with the damping of the second plug-in slot, and cooperates with the second spring to give the embedded plate an upward thrust, thereby improving the stability of the connection between the GRG panel and the embedded plate, and making the installation of the GRG panel have a certain buffering effect. The provided adjustment assembly and moving assembly facilitate the left and right and front and back movement of the GRG panel after the GRG panel is installed and fixed, eliminating the trouble of fixing and adjusting the transmission bolts, improving the installation efficiency of the GRG panel, and reducing the labor intensity of the installation. The provided telescopic adjustment rod facilitates the up and down movement of the GRG panel, further improving the accuracy and adaptability of the GRG panel installation.

[0014] 2. In the part with special-shaped curved surface, the GRG panel folding and locking method is adopted to realize the firm fixation of the panel. This design ensures that there is no interference between adjacent panels, which not only meets the needs of independent installation and disassembly, but also facilitates the subsequent maintenance work. In the plane position, the staggered interface is set to realize the GRG panel. The panel is fixed by nailing the reserved wooden beams on the edge of the GRG to avoid the complicated construction process of the edge seam. The construction can be completed by plastering the nailing position, which improves the construction efficiency and aesthetics. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a flowchart of the present invention; Figure 2 It is a schematic diagram of the GRG panel folding and locking structure of the present invention; Figure 3 It is a schematic diagram of the GRG panel staggered tongue-and-groove close-fitting structure of the present invention; Figure 4 It is a schematic diagram of the three-dimensional structure of the combined rod member of the present invention from the front view; Figure 5 It is a bottom-up three-dimensional structural schematic diagram of the combined rod member of the present invention; Figure 6 It is a schematic diagram of the main cutaway structure of the combined rod member of the present invention; Figure 7 It is a schematic diagram of a partial cutaway structure of a combined rod member of the present invention.

[0016] In the accompanying drawings, the components represented by the reference numerals are listed as follows: 1. GRG panel; 2. First plug-in slot; 3. Limit plate; 4. Embedded plate; 5. Second plug-in slot; 6. Block; 7. First spring; 8. Buffer slot; 9. Buffer block; 10. Second spring; 11. Buffer rod; 12. Third spring; 13. First moving slot; 14. Guide rod; 15. First moving block; 16. Big head bolt; 17. L-shaped angle plate; 18. Second moving slot; 19. Screw; 20. Second moving block; 21. Connecting block; 22. Telescopic adjustment rod. DETAILED DESCRIPTION

[0017] In order to make the purpose and advantages of the present invention more clearly understood, the present invention is specifically described below in conjunction with embodiments. It should be understood that the following text is only used to describe one or several specific embodiments of the present invention, and does not strictly limit the scope of protection of the specific claims of the present invention.

[0018] like Figure 1 As shown, a method for constructing a prefabricated modular GRG includes the following steps: S1: Measure and lay out, scan the on-site steel structure and base, and carry out on-site layout operations in conjunction with traditional layout technology. Use BIM software to establish a three-dimensional building information model of the project, and connect it to the three-dimensional system, and then perform a collision test with the original finished surface drawing to detect the original finished surface; connect the BIM model with the actual situation on site, accurately lay out according to the model, and mark the installation position of GRG panel 1; S2: Transfer layer installation, the transfer layer steel frame is fixedly connected to the building truss, the main keel of the transfer layer steel frame adopts 40*60*4mm hot-dip galvanized square tube, the secondary keel adopts 50*50*5mm hot-dip galvanized angle steel, the secondary keel is vertically connected to the main keel to form a stable transfer layer structure; S3: Assembly rod installation, positioning the telescopic adjustment rod 22 by point, and then installing the top of the telescopic adjustment rod 22 to the conversion layer by thread, the bottom of the telescopic adjustment rod 22 is installed with an angle code component by thread, the angle code component is installed with an embedded component by adjusting component, and the embedded component is installed on the GRG panel 1 by snap-fit ​​component; the assembly rod includes a GRG panel 1, the top of the GRG panel 1 is provided with an embedded plate 4 by snap-fit ​​component, one side of the embedded plate 4 is provided with an L-shaped angle plate 17 by adjusting component, and the top of the L-shaped angle plate 17 is provided with a telescopic adjustment rod 22 by a moving component; abandoning the trouble of traditional bolt fixing, the installed GRG panel 1 can be adjusted, the adjustment is more convenient and wins, and the flexibility of using the GRG panel 1 is improved; like Figure 2-Figure 7As shown, the snap assembly includes two first plug-in slots 2 opened at the top of the GRG panel 1, an embedded plate 4 is inserted between the two first plug-in slots 2, a buffer slot 8 is opened in the bottom raised portion of the embedded plate 4 and located in the first plug-in slot 2, a buffer block 9 is installed with a damping sliding inside the buffer slot 8, and a plurality of second springs 10 fixed to the inner wall of the buffer slot 8 are fixed on the top of the buffer block 9, a limit plate 3 is fixed on the top of the GRG panel 1 and on both sides of the first plug-in slot 2, a buffer card slot is opened through one side of the limit plate 3, a second plug-in slot 5 is opened on both sides of the embedded plate 4, a card block 6 cooperating with the buffer card slot is installed in the second plug-in slot 5 for sliding, and a card block 6 is fixed on one side of the card block 6 to engage with the inner side of the second plug-in slot 5 A fixed first spring 7, a third plug-in slot is provided in the middle of the bottom of the embedded plate 4, a buffer rod 11 is provided for internal damping sliding of the third plug-in slot, a third spring 12 is fixed to the top of the buffer rod 11, and the top of the third spring 12 is fixed to the inner wall of the third plug-in slot; when installing the embedded plate 4, the bottom end of the embedded plate 4 is inserted into the first plug-in slot 2, and during the insertion process, the card block 6 can be smoothly inserted into the buffer card slot through the inclined surface at the bottom of the card block 6, and the action force of the buffer block 9 and the second spring 10 is matched, so that the embedded plate 4 has an upward reaction force, thereby improving the stability of the connection between the embedded plate 4 and the GRG panel 1, and then facilitating the installation, fixing and disassembly of the GRG panel 1, which is relatively perfect; The adjustment component includes a first moving groove 13 formed on one side of the embedded plate 4, a first moving block 15 is slidably installed inside the first moving groove 13, a guide rod 14 slidably connected to the first moving block 15 is fixed inside the first moving groove 13, a big head bolt 16 is threadedly screwed on one side of the first moving block 15, one end of the big head bolt 16 passes through the first moving block 15 and abuts against the outer wall of the guide rod 14, an L-shaped angle plate 17 is fixed on the other side of the first moving block 15, the L-shaped angle plate 17 can be moved left and right by moving the first moving block 15, and then the big head bolt 16 is tightened to fix the first moving block 15, thereby fixing the position of the L-shaped angle plate 17, and also facilitating the position adjustment of the GRG panel 1; The moving assembly includes a second moving groove 18 opened at the top of the L-shaped angle plate 17, a screw rod 19 is rotatably installed inside the second moving groove 18, a second moving block 20 is screwed to the outer wall of the screw rod 19, a connecting block 21 is fixed to the top of the second moving block 20, and a telescopic adjustment rod 22 is screwed to the top thread of the connecting block 21. The second moving block 20 is driven to move by rotating the screw rod 19, and then the relative position of the L-shaped angle plate 17 and the telescopic adjustment rod 22 is adjusted, so that the front and rear position of the GRG panel 1 is adjusted, thereby improving the flexibility of the installation of the GRG panel 1; The telescopic adjustment rod 22 includes a sleeve, a plug-in rod is inserted into the interior of the sleeve, a plurality of card holes are arranged in a vertical equidistant array on the outer wall of the sleeve, and an elastic buckle matching the card holes is arranged on the outer wall of the plug-in rod. The bottom end of the plug-in rod is threadedly connected to the connecting block 21, and the connecting end of the telescopic adjustment rod 22 and the connecting block 21 adopts an M10 thread, which is convenient for adjusting the upper and lower positions of the GRG panel 1, and the adjustment is relatively convenient and simple; S4: Panel installation, install the GRG panel 1 on the combined rod, cut the GRG panel 1 through BIM, fix the GRG panel 1 on the special-shaped curved surface by folding and locking, first align the folding edge of one plate with the folding edge of another plate, and then connect them tightly together with bolts. After the surface block is installed and fixed, for the vertical plates and curved parts, the plugging method is used. A 100*50*10㎜ pad is set between the plate seams by reserving a 10mm gap between the plates, and the plate seams are connected with M8 knocking bolts. GRG seam repair material is used, and a layer of glass felt with a width of 4cm is pasted on the plate seam position. After repair, a layer of mesh cloth is pasted to ensure that there is no crack at the plate seam position; S5: Complete the installation and quality acceptance. After the installation is completed, the GRG products will be tested for installation stability and flatness, and a test report will be issued.

[0019] The above is only a preferred embodiment of the present invention. It should be noted that, for those skilled in the art, several improvements and modifications can be made without departing from the principles of the present invention, and these improvements and modifications should also be considered as the protection scope of the present invention. The structures, devices and operating methods not specifically described and explained in the present invention shall be implemented according to the conventional means in the art unless otherwise specified and limited.

Claims

1. An assembled modular GRG construction method, characterized by: The construction method includes the following steps: S1: Measure and lay out, scan the on-site steel structure and base, and use traditional layout technology to lay out the site, use BIM software to establish a three-dimensional building information model of the project, and connect to the three-dimensional system, and then perform a collision test with the original finished surface drawing to detect the original finished surface; S2: Transfer layer installation, transfer layer steel frame is fixedly connected with building truss; S3: Assemble the rods and locate the position of the telescopic adjustment rod (22) by point, then install the top of the telescopic adjustment rod (22) on the conversion layer by thread, install an angle bracket assembly on the bottom of the telescopic adjustment rod (22) by thread, install an embedded component assembly on the angle bracket assembly by adjusting component, and install the embedded component assembly on the GRG panel (1) by snap-fit ​​assembly; The position of the suspension rod (1) is positioned by point, and then the suspension rod (1) is installed on the transfer layer by means of threads. An angle code is installed at the bottom end of the suspension rod (1) by means of threads, and two symmetrical embedded parts are bolted to the angle code (2); S4: Panel installation, install the GRG panel (1) on the combined rod, cut the GRG panel (1) through BIM, fix the GRG panel (1) on the special-shaped curved surface by folding and locking, first align the folding edge of one panel with the folding edge of another panel, and then tightly connect them together by bolts; for the GRG panel (1) in the flat position, splice by setting the offset interface, align the offset interface of one panel with the corresponding part of another panel, and then fix them together by nailing with wooden beams to ensure that the panels are tightly spliced ​​and have no gaps; after the GRG panel 1 is installed and fixed, the gaps between the panels are caulked; S5: Complete installation and quality inspection.

2. The method for constructing a prefabricated modular GRG according to claim 1, characterized in that: In S1, the BIM model is connected with the actual situation on site, and accurate layout is performed according to the model to mark the installation position of the GRG panel (1).

3. The method for constructing a prefabricated modular GRG according to claim 1, characterized in that: The main keel of the transfer layer steel frame is made of hot-dip galvanized square tubes, and the secondary keel is made of hot-dip galvanized angle steel. The secondary keel is vertically connected to the main keel to form a stable transfer layer structure.

4. The method for constructing a prefabricated modular GRG according to claim 1, characterized in that: The combined rod comprises a GRG panel (1), the top of the GRG panel (1) is provided with an embedded plate (4) via a snap assembly, one side of the embedded plate (4) is provided with an L-shaped angle plate (17) via an adjustment assembly, and the top of the L-shaped angle plate (17) is provided with a telescopic adjustment rod (22) via a moving assembly; The buckle assembly comprises two first plug-in slots (2) formed on the top of the GRG panel (1), an embedded plate (4) inserted between the two first plug-in slots (2), a buffer slot (8) formed on the bottom raised portion of the embedded plate (4) and located inside the first plug-in slot (2), a buffer block (9) being installed inside the buffer slot (8) for damping sliding, a plurality of second springs (10) fixed to the inner wall of the buffer slot (8) being fixed on the top of the buffer block (9), and limit plates (3) being fixed on both sides of the top of the GRG panel (1) and located on the first plug-in slot (2), the limit plates A buffer slot is provided on one side of the embedded plate (3), a second plug-in slot (5) is provided on both sides of the embedded plate (4), a card block (6) cooperating with the buffer slot is slidably installed inside the second plug-in slot (5), a first spring (7) fixed to the inner side of the second plug-in slot (5) is fixed on one side of the card block (6), a third plug-in slot is provided in the middle of the bottom of the embedded plate (4), a buffer rod (11) is provided inside the third plug-in slot for damping sliding, a third spring (12) is fixed on the top of the buffer rod (11), and the top of the third spring (12) is fixed to the inner wall of the third plug-in slot; The adjustment assembly comprises a first movable groove (13) formed on one side of an embedded plate (4), a first movable block (15) being slidably mounted inside the first movable groove (13), a guide rod (14) being slidably connected to the first movable block (15) being fixed inside the first movable groove (13), a big-head bolt (16) being threadedly screwed on one side of the first movable block (15), one end of the big-head bolt (16) passing through the first movable block (15) and abutting against the outer wall of the guide rod (14), and an L-shaped angle plate (17) being fixed on the other side of the first movable block (15); The moving assembly comprises a second moving groove (18) opened at the top of the L-shaped angle plate (17), a screw rod (19) being rotatably mounted inside the second moving groove (18), a second moving block (20) being screwed onto the outer wall of the screw rod (19), a connecting block (21) being fixed to the top of the second moving block (20), and a telescopic adjustment rod (22) being screwed onto the top thread of the connecting block (21).

5. The method for constructing a prefabricated modular GRG according to claim 4, characterized in that: The telescopic adjustment rod (22) comprises a sleeve, a plug-in rod is inserted into the interior of the sleeve, a plurality of clamping holes are arranged in a vertical equidistant array on the outer wall of the sleeve, an elastic buckle cooperating with the clamping holes is provided on the outer wall of the plug-in rod, and the bottom end of the plug-in rod is threadedly connected to the connection block (21).

6. The method for constructing a prefabricated modular GRG according to claim 4, characterized in that: The connection end between the telescopic adjustment rod (22) and the connection block (21) adopts an M10 thread.

7. The method for constructing a prefabricated modular GRG according to claim 1, characterized in that: In the S4, after the surface blocks are installed and fixed, the gap filling method is adopted for the vertical plates and curved parts. A gap of 10 mm is reserved between the plates, a pad is set between the plate seams, and they are connected with knock bolts. GRG seam repair material is used, and a layer of glass felt is pasted at the plate seam position. After the repair, a layer of mesh cloth is pasted to ensure that there are no cracks at the plate seam position.

8. The method for constructing a prefabricated modular GRG according to claim 1, characterized in that: After the installation in S5 is completed, the GRG product is tested for installation stability and flatness, and a test report is issued.

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