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CN-122013919-A - Construction method of complex arc-shaped single aluminum plate curtain wall

CN122013919ACN 122013919 ACN122013919 ACN 122013919ACN-122013919-A

Abstract

The invention discloses a construction method of a complex arc-shaped single aluminum plate curtain wall, belongs to the technical field of curtain wall construction, and realizes high-precision, stress-free, efficient and safe construction of the complex arc-shaped single aluminum plate curtain wall. The method comprises the steps of decomposing a complex curved surface in a building model into a plurality of single aluminum plate units, determining a unified construction standard, adopting a stress relief annealing and three-dimensional adjustable connecting system to enable the aluminum plate to be installed in a free state, avoiding later deformation and cracking caused by forced assembly, carrying out through machining, pre-splicing and installation by using the same digital standard, combining solid master copy detection to ensure smooth curved surface, ensuring that the height difference of adjacent plates is less than or equal to 0.3mm, transferring over 80% of high-altitude bulk operation to the ground to complete industrialization, modularly hoisting the single module, ensuring that the high-altitude operation time is less than or equal to 30 minutes, obviously reducing the safety risk, adopting a factory preset water stop tape and field precise glue injection double-way waterproof system, enabling a water spraying test to have no leakage, and enabling the three-dimensional adjustable system to absorb a main structure and the machining error, and realizing the high-altitude lamination of the aluminum plate.

Inventors

  • SUN YONGXIAN

Assignees

  • 青岛诚海蔚来建设科技有限公司

Dates

Publication Date
20260512
Application Date
20260411

Claims (10)

  1. 1. The construction method of the complex arc-shaped single aluminum plate curtain wall is characterized by comprising the following steps of: S1, parameterized deepening design, namely decomposing a complex curved surface in a building model into a plurality of single aluminum plate units, and determining a unified construction standard; s2, stress release forming, namely carrying out compression molding and stress relief annealing treatment on the single aluminum plate unit in sequence so as to eliminate internal stress; S3, installing an adjustable connecting system, namely installing a three-dimensional adjustable connecting system on the back of each single aluminum plate unit, wherein the three-dimensional adjustable connecting system can provide multi-degree-of-freedom adjustment; s4, factory pre-assembling, namely pre-assembling a plurality of single aluminum plate units provided with the three-dimensional adjustable connection system on a factory pre-assembling platform according to the unified construction standard, and locking the relative positions of the single aluminum plate units after the single aluminum plate units are qualified; S5, assembling the single aluminum plate units which are qualified in pre-assembly on the ground in a modularized manner, namely assembling the single aluminum plate units on the ground to form a hoisting module, and installing a first waterproof structure; S6, installing a main body adapter, namely installing an adapter for connecting the three-dimensional adjustable connecting system on a main body structure according to the unified construction standard; S7, hoisting and positioning the hoisting module to a designed position, connecting the hoisting module with the adapter through the three-dimensional adjustable connecting system, and adjusting the three-dimensional adjustable connecting system to eliminate installation errors and realize stress-free fixation; s8, installing a second waterproof seal, namely constructing a second waterproof seal structure at a plate seam between adjacent hoisting modules; S9, overall detection, namely performing precision detection and water spraying test on the curtain wall after installation.
  2. 2. The construction method of the complex arc-shaped single aluminum plate curtain wall according to claim 1, wherein the compression molding in the step S2 is 3-5-step progressive compression molding by adopting a multi-point shape adjusting die, and the stress relief annealing treatment has the technological parameters of heating to 180-220 ℃ and preserving heat for 2-3 hours, and then slowly cooling to room temperature.
  3. 3. The construction method of the complex arc-shaped single aluminum plate curtain wall according to claim 1, wherein the three-dimensional adjustable connection system comprises an adjustable base, an adjusting screw and a locking nut which are sequentially connected, and the three-dimensional adjustable connection system can achieve linear adjustment of +/-50 mm and angular deflection of +/-15 degrees in three directions of X, Y, Z.
  4. 4. The construction method of the complex arc-shaped single aluminum plate curtain wall according to claim 1, wherein the pre-splicing platform in the step S4 is a 1:1 high-precision plane platform, the flatness tolerance of the pre-splicing platform is less than or equal to 0.3mm/m, and a datum line and a contour line which are consistent with a parameterized model are accurately drawn on the pre-splicing platform.
  5. 5. The construction method of the complex arc-shaped single aluminum plate curtain wall according to claim 1, wherein in the step S4, a solid master is adopted to check the curved surface precision of the pre-assembled single aluminum plate units, so that the height difference between adjacent single aluminum plate units is less than or equal to 0.2mm, and the integral cambered surface deviation is less than or equal to 1mm/2m.
  6. 6. The construction method of the complex arc-shaped single aluminum plate curtain wall according to claim 1, wherein the first waterproof structure is a water stop adhesive tape pre-adhered to the back joint of the Shan Lvban units, and the second waterproof sealing structure is a sealant filled in the plate joint.
  7. 7. The construction method of the complex arc-shaped single aluminum plate curtain wall according to claim 1, wherein in the step S5, the dimension of the hoisting module is controlled within 3m×6m, and the hoisting module detects the overall rigidity after the assembly is completed.
  8. 8. The construction method of the complex arc-shaped single aluminum plate curtain wall according to claim 1, wherein in the step S7, the high-altitude installation time of the hoisting module is controlled to be within 30 minutes.
  9. 9. The construction method of the complex arc-shaped single aluminum plate curtain wall according to claim 1, wherein the precision detection in the step S9 comprises 100% detection of the overall curved surface smoothness, the adjacent plate height difference and the gap width of the curtain wall by adopting a total station or a three-dimensional laser scanner, and the detection standards are that the overall curved surface smoothness deviation is less than or equal to 1mm/2m, the adjacent plate height difference is less than or equal to 0.5mm/m and the gap width deviation is less than or equal to 0.5mm.
  10. 10. The construction method of the complex arc-shaped single aluminum plate curtain wall according to claim 1, wherein the water spraying test parameter in the step S9 is that the water spraying pressure is more than or equal to 0.3MPa, the continuous water spraying time is more than or equal to 30 minutes per area, and no leakage is taken as a qualified standard.

Description

Construction method of complex arc-shaped single aluminum plate curtain wall Technical Field The invention relates to the technical field of curtain wall construction, in particular to a complex arc-shaped single aluminum plate curtain wall construction method. Background The construction of the existing complex arc single aluminum plate curtain wall is generally carried out by taking the theoretical design size as the only installation standard and adopting the modes of forced stretching, welding or on-site loose splicing and the like, however, the forced installation mode is easy to cause larger assembly stress in the aluminum plate due to unavoidable construction errors of a main structure, quality problems such as deformation, cracking, loosening and leakage and the like are frequently caused in the long-term service process, meanwhile, for complex arc plates such as hyperboloid or three-dimensional twisted surface and the like, the traditional manual beating, simple die pressing or free stretching forming process is difficult to accurately control the shape of the curved surface, the defects such as rebound, fold, distortion and the like are frequently caused after forming, and an effective stress elimination means is lacked, so that the deformation risk in the later use is further increased. In addition, the traditional construction is carried out in bulk welding at high altitude, the operation difficulty is high, the potential safety hazard is high, the on-site manual glue injection water resistance is obviously influenced by the operation level and weather environment, the problems of incomplete glue joints, bubbles, uneven thickness and the like are easy to occur, and curtain wall leakage frequently occurs. Therefore, a complex arc-shaped single aluminum plate curtain wall construction method which is high in accuracy, stress-free, adjustable, safe, efficient, waterproof and reliable is needed. Disclosure of Invention The present invention aims to solve at least one of the technical problems existing in the prior art. Therefore, one purpose of the invention is to provide a construction method of the complex arc-shaped single aluminum plate curtain wall, which can realize high-precision, stress-free, high-efficiency and safe construction of the complex arc-shaped single aluminum plate curtain wall. In order to achieve the purpose, the invention provides the following technical scheme that the construction method of the complex arc-shaped single aluminum plate curtain wall comprises the following steps: S1, parameterized deepening design, namely decomposing a complex curved surface in a building model into a plurality of single aluminum plate units, and determining a unified construction standard; s2, stress release forming, namely carrying out compression molding and stress relief annealing treatment on the single aluminum plate unit in sequence so as to eliminate internal stress; S3, installing an adjustable connecting system, namely installing a three-dimensional adjustable connecting system on the back of each single aluminum plate unit, wherein the three-dimensional adjustable connecting system can provide multi-degree-of-freedom adjustment; s4, factory pre-assembling, namely pre-assembling a plurality of single aluminum plate units provided with the three-dimensional adjustable connection system on a factory pre-assembling platform according to the unified construction standard, and locking the relative positions of the single aluminum plate units after the single aluminum plate units are qualified; S5, assembling the single aluminum plate units which are qualified in pre-assembly on the ground in a modularized manner, namely assembling the single aluminum plate units on the ground to form a hoisting module, and installing a first waterproof structure; S6, installing a main body adapter, namely installing an adapter for connecting the three-dimensional adjustable connecting system on a main body structure according to the unified construction standard; S7, hoisting and positioning the hoisting module to a designed position, connecting the hoisting module with the adapter through the three-dimensional adjustable connecting system, and adjusting the three-dimensional adjustable connecting system to eliminate installation errors and realize stress-free fixation; s8, installing a second waterproof seal, namely constructing a second waterproof seal structure at a plate seam between adjacent hoisting modules; S9, overall detection, namely performing precision detection and water spraying test on the curtain wall after installation. Preferably, the compression molding in the step S2 is 3-5 steps of progressive compression molding by adopting a multi-point shape adjusting die, and the technological parameters of the stress relief annealing treatment are that the temperature is heated to 180-220 ℃ and kept for 2-3 hours, and then the temperature is slowly cooled to room temperature. Preferably, the thre