Early dismounting construction method for aluminum alloy formwork at attachment support of attached scaffold

Abstract

The application discloses an early-dismantling construction method for an aluminum alloy formwork at an attachment support of an attached scaffold, and comprises the following steps: material preparation, wherein the materials include a standby climbing scaffold support and a climbing scaffold extension guide rail, and the climbing scaffold extension guide rail is matched with the standby climbing scaffold support; aluminum alloy formwork is divided and constructed according to the attachment points of the standby climbing scaffold support according to the construction position, thereby facilitating early dismantling of the aluminum alloy formwork at the attachment points of the standby climbing scaffold support; the construction environment includes shear wall positions, window positions, corridor positions, balcony positions, stair positions and bay window positions; the aluminum alloy formwork at the attachment points of the standby climbing scaffold support is dismantled, the standby climbing scaffold support is installed, the standby climbing scaffold support is located directly above the original climbing scaffold support, and the interval between the standby climbing scaffold support and the original climbing scaffold support should meet the construction requirements; the climbing scaffold extension guide rail is installed with the original climbing scaffold support, and the climbing scaffold extension guide rail has a surplus after installation, and the surplus part of the climbing scaffold extension guide rail can be engaged with the standby climbing scaffold support.

Description

Technical Field

[0001] This invention belongs to the field of construction technology, specifically relating to a method for early removal of aluminum alloy formwork at the attachment support of attached scaffolding. Background Technology

[0002] With the emergence of various new construction technologies, equipment, processes, and materials, the challenge of ensuring the coordinated construction of these technologies and equipment is becoming increasingly apparent. Attached scaffolding combined with aluminum alloy formwork has become a widely adopted construction technology for high-rise residential buildings. Therefore, to ensure the safe use of attached scaffolding, fully leverage the advantages of aluminum alloy formwork, guarantee construction safety, save construction time, and simultaneously meet construction quality objectives, research on the collaborative construction technology of attached scaffolding and aluminum alloy formwork is of significant practical importance.

[0003] In existing climbing scaffolding systems, cantilever lengths exceeding 0.4H or 6m sometimes occur during lifting, affecting the safety of the scaffolding. The lifting time is constrained by the removal time of the newly poured formwork, delaying the construction schedule. The installation of scaffolding supports often conflicts with the aluminum formwork (K-plate). These issues result in low construction efficiency. Summary of the Invention

[0004] Therefore, the present invention provides a method for early removal of aluminum alloy formwork at the attachment support of attached scaffolding to solve the problem of low construction efficiency in the prior art.

[0005] To achieve the above objectives, the present invention provides the following technical solution: a method for early removal of aluminum alloy formwork at the attachment support of attached scaffolding, comprising the following steps:

[0006] Material preparation includes spare climbing scaffold supports and climbing scaffold extension rails. The climbing scaffold extension rails are matched with the spare climbing scaffold supports. The spare climbing scaffold supports refer to the additional supports that are added after the climbing scaffold guide rails and the original climbing scaffold supports are installed. The climbing scaffold extension rails refer to the extension of the length of the original guide rails.

[0007] According to the construction location, the attachment points of the spare climbing scaffold support are divided into aluminum alloy formwork sections for construction, which facilitates the early removal of the aluminum alloy formwork at the attachment points of the spare climbing scaffold support. The construction environment includes shear wall locations, window locations, corridor locations, balcony locations, staircase locations, and bay window locations.

[0008] Remove the aluminum alloy formwork at the attachment point of the spare climbing scaffold support, and install the spare climbing scaffold support. The spare climbing scaffold support should be directly above the original climbing scaffold support, and the interval between the spare climbing scaffold support and the original climbing scaffold support should meet the construction requirements.

[0009] Install the extended guide rail of the climbing frame to the original climbing frame support. After installation, the extended guide rail of the climbing frame has a slack, and the slack part of the extended guide rail can engage with the spare climbing frame support.

[0010] Before the climbing frame is lifted, the extended guide rail of the climbing frame can be engaged with the spare climbing frame support in advance. After the climbing frame is lifted, the original climbing frame support at the bottom can be removed in advance and converted into a spare climbing frame support.

[0011] Furthermore, based on the location of the shear wall, the attachment points of the spare climbing scaffold supports are divided using aluminum alloy formwork during construction, including:

[0012] The vertical aluminum alloy template of the spare climbing frame support attachment point is divided into upper section, middle section and lower section, and the aluminum alloy template of the middle section is the template at the support attachment point.

[0013] It can be removed individually 10 to 14 hours after the concrete is poured;

[0014] Once the required strength is achieved, the spare climbing scaffold support can be installed.

[0015] Furthermore, based on the window location, the attachment points of the spare climbing scaffold support are divided using aluminum alloy formwork, including:

[0016] After the concrete is poured, the aluminum alloy formwork at the attachment point is removed.

[0017] Installing 80mm angle steel at the corner above the window ensures the installation of the spare climbing scaffold support at the attachment point without affecting the construction of the upper formwork.

[0018] Furthermore, based on the locations of the connecting corridor and the balcony, the attachment points of the spare climbing scaffold supports are divided using aluminum alloy formwork during construction, including:

[0019] When designing aluminum formwork, prioritize arranging the formwork from the support position outwards to both sides, ensuring that the projection of the support on the beam side falls exactly within the entire aluminum formwork beam side template area.

[0020] After the concrete is poured, a piece of formwork can be removed from the attachment point of the support to install the spare climbing scaffold support.

[0021] Furthermore, based on the location of the stairs, the attachment points of the spare climbing scaffold supports are divided using aluminum alloy formwork, including:

[0022] Adjust the plane position of the attachment point left or right according to the size of the side of the stair triangle;

[0023] A separate aluminum alloy template is developed based on the determined location of the attachment point;

[0024] The aluminum alloy templates at the attachment points can be removed separately later, and then the spare climbing frame supports can be installed.

[0025] Furthermore, based on the location of the bay window, the attachment points of the spare climbing scaffold support are divided using aluminum alloy formwork, including:

[0026] At this attachment point, segmented aluminum alloy formwork is used instead of aluminum alloy sheet formwork.

[0027] After the pouring is completed, the aluminum alloy formwork at the attachment point is removed separately, and angle steel is used as the support plate for the upper formwork at the top of the attachment point.

[0028] Furthermore, the end face of the aluminum alloy template adopts a beveled structure.

[0029] Furthermore, the extended guide rail of the climbing scaffold is 3 times the floor height + 2.5 meters.

[0030] This invention has the following advantages: it allows for the pre-installation of "spare climbing scaffold supports" before the large-scale removal of aluminum alloy formwork, enabling the climbing scaffold to be lifted ahead of schedule and improving construction efficiency; moreover, the "spare supports" ensure that the guide rail can smoothly enter the fourth support and engage and fix the support, avoiding misalignment of the guide rail and support due to excessive cantilever length during the climbing scaffold lifting process, which could cause the support to tilt due to being hit by the guide rail during lifting, and in severe cases, damage to the concrete structure at the support; thus greatly improving both the safety and efficiency of construction. Attached Figure Description

[0031] To more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are merely exemplary, and those skilled in the art can derive other embodiments based on the provided drawings without creative effort.

[0032] The structures, proportions, sizes, etc. illustrated in this specification are only for the purpose of assisting those skilled in the art in understanding and reading the content disclosed herein, and are not intended to limit the conditions under which the present invention can be implemented. Therefore, they have no substantial technical significance. Any modifications to the structure, changes in the proportions, or adjustments to the size, without affecting the effects and objectives that the present invention can produce, should still fall within the scope of the technical content disclosed in the present invention.

[0033] Figure 1 This is a schematic diagram of the method flow provided in the embodiments of this specification.

[0034] Figure 2 This is a schematic diagram of the installation of the spare support for the climbing scaffold provided in the embodiments of this specification.

[0035] Figure 3 This is a schematic diagram of the climbing frame lifting process provided in the embodiments of this specification.

[0036] Figure 4 This is a schematic diagram of the shear wall construction attachment point provided in the embodiments of this specification.

[0037] Figure 5 This is a schematic diagram of the construction attachment point at the window location provided in the embodiments of this specification.

[0038] Figure 6 This is a schematic diagram of the construction attachment points for the connecting corridor and balcony provided in the embodiments of this specification.

[0039] Figure 7 This is a schematic diagram of the construction attachment point for the staircase location provided in the embodiments of this specification.

[0040] Figure 8 This is a schematic diagram of the construction attachment point for the bay window location provided in the embodiments of this specification.

[0041] Figure 9 This is a schematic diagram illustrating the usage state of the aluminum alloy template structure provided in the embodiments of this specification. Detailed Implementation

[0042] The technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings and specific embodiments. However, those skilled in the art will understand that the embodiments described below are some embodiments of the present invention, but not all embodiments, and are only used to illustrate the present invention, and should not be regarded as limiting the scope of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0043] This specification provides an embodiment of a method for early removal of aluminum alloy formwork at the attachment support of attached scaffolding. Please refer to [link / reference needed]. Figure 1 As shown, it includes the following steps:

[0044] S1. Material preparation: The materials include spare climbing scaffold support 001 and climbing scaffold extension rail 002. The climbing scaffold extension rail matches the spare climbing scaffold support. The spare climbing scaffold support refers to the additional support after the climbing scaffold guide rail and the original climbing scaffold support are installed. The climbing scaffold extension rail refers to the extension of the original guide rail length.

[0045] In a specific example, please refer to Figure 2 As shown, the material includes four climbing frame supports, including three original climbing frame supports 003 and one spare climbing frame support.

[0046] S2. According to the construction location, the attachment points of the spare climbing scaffold support are divided into aluminum alloy formwork sections to facilitate the early removal of the aluminum alloy formwork at the attachment points of the spare climbing scaffold support. The construction environment includes shear wall locations, window locations, corridor locations, balcony locations, staircase locations, and bay window locations.

[0047] S3. Remove the aluminum alloy formwork at the attachment point of the spare climbing scaffold support, install the spare climbing scaffold support, with the spare climbing scaffold support directly above the original climbing scaffold support, and the interval between the spare climbing scaffold support and the original climbing scaffold support should meet the construction requirements.

[0048] S4. Install the climbing scaffold extension rail to the original climbing scaffold support. After installation, the climbing scaffold extension rail should have some slack, which can engage with the spare climbing scaffold support.

[0049] S5. Before the climbing formwork is lifted, the extended guide rail can be engaged with the spare climbing formwork support in advance. After the climbing formwork is lifted, the original climbing formwork support at the bottom can be removed in advance and converted into a spare climbing formwork support. For example, when the climbing formwork is lifted, the guide rail is raised and smoothly enters the fourth support and engages with the support to fix it, avoiding excessive cantilever length during the climbing formwork lifting process.

[0050] In one possible embodiment, such as Figure 3 The climbing process is shown in the diagram, including: A. Ready for use; B. Ready to lift; C. Lifting stage; D. Lifting completion; and E. Four sets of supports are used, with three installed and one spare (i.e., first install three original climbing scaffold supports 003, then install one spare climbing scaffold support 001 on the newly poured layer above the three original climbing scaffold supports). Before lifting, install the spare set on the newly poured layer, which will serve as the top support. When installing the spare climbing scaffold support, insert the climbing scaffold extension rail 002 into the support to ensure that the cantilever section does not exceed the height limit during lifting (as shown in Lifting stage B). After installing the spare climbing scaffold support 001, remove the bottom original climbing scaffold support 003, retract the flap, and prepare for lifting (as shown in Lifting stage C). Then, lift upwards (as shown in Lifting stage D). After lifting, place the flap against the wall to restore the bottom to a fully enclosed state (as shown in Lifting stage D). Repeat this process sequentially to complete the lifting.

[0051] In existing construction techniques, misalignment between the guide rail and the support can occur, causing the support to tilt due to impact from the guide rail, and in severe cases, damaging the concrete structure at the support. Therefore, the guide rail length is increased. The revised guide rail length is: 3 × floor height + 1.5 meters + 1 meter, an increase of 1 meter from the previous length. After the guide rail is lengthened, a spare support is fitted onto the extended guide rail before lifting to prevent misalignment and damage to the support from impact.

[0052] In this embodiment, with the enhanced cooperation between the climbing scaffold and the aluminum formwork, a "spare climbing scaffold support" can be installed in advance before the large-scale removal of the aluminum alloy formwork. This allows for the advanced lifting of the climbing scaffold, improving construction efficiency. Furthermore, the "spare support" ensures that the guide rail smoothly enters the fourth support and engages with it, preventing misalignment between the guide rail and support due to excessive cantilever length during the climbing scaffold lifting process. This avoids situations where the support is tilted by the guide rail during lifting, potentially damaging the concrete structure at the support location. This significantly improves both the safety and efficiency of construction.

[0053] In a preferred embodiment, the attachment points of the spare climbing scaffold supports are divided using aluminum alloy formwork based on the location of the shear wall, including:

[0054] S211. Divide the vertical aluminum alloy formwork at the attachment point of the spare climbing scaffold support into the upper section 011, the middle section 012 and the lower section 013. The aluminum alloy formwork in the middle section is the formwork at the attachment point of the support.

[0055] S212. It can be removed separately 10 to 14 hours after the concrete is poured;

[0056] S213. Once the strength requirement is met, the spare climbing frame support can be installed.

[0057] In one possible specific implementation, please refer to Figure 4 As shown in the detailed location diagram of the climbing scaffold support, the support is located at the shear wall. Without removing the shear wall formwork, the support installation and scaffold lifting cannot proceed. However, if the support is installed only after all the standard aluminum formwork panels are removed, the scaffold will need to wait 1-2 days before lifting, delaying the protection of the working layer and impacting safety and the construction schedule. Therefore, it is considered to divide the vertical aluminum formwork at the support location into 1.65m + 0.5m + 0.35m sections, where the 0.5m section is the formwork at the support attachment point and can be removed 12 hours after concrete pouring. The climbing scaffold support can be installed after the concrete has strengthened, achieving the goal of early removal of the aluminum alloy formwork.

[0058] In a preferred embodiment, the attachment points of the spare climbing scaffold supports are divided using aluminum alloy formwork according to the window location, including:

[0059] S221. After the concrete is poured, remove the aluminum alloy formwork at the attachment point.

[0060] S222. Install an 80mm angle steel 031 at the corner above the window. This will ensure the installation of the spare climbing frame support at the attachment point without affecting the construction of the upper formwork.

[0061] In one possible specific implementation, please refer to Figure 5As shown, the presence of a 200mm high K-plate at the window beam location prevented the timely installation of the climbing scaffold support. Therefore, after the concrete was poured, the K-plate at the attachment point was removed and replaced with an 80mm angle steel 031, thus ensuring the installation of the spare climbing scaffold support 001 and the construction of the upper formwork.

[0062] In a preferred embodiment, the attachment points of the spare climbing scaffold supports are divided using aluminum alloy formwork based on the locations of the connecting corridor and the balcony, including:

[0063] S231. When designing aluminum formwork, prioritize arranging the formwork from the support position outwards to both sides to ensure that the projection of the support on the beam side falls exactly within the range of the entire aluminum formwork beam side template.

[0064] S232. After the concrete pouring is completed, remove one piece of formwork at the attachment point of the support to install the spare climbing scaffold support.

[0065] In one possible specific implementation, please refer to Figure 6 As shown, to install the fourth support at the locations of the connecting corridor and balcony beams, the outer formwork needs to be completely removed for the newly poured connecting corridor and balcony beam side climbing scaffold supports. This involves a significant amount of work. Therefore, in the aluminum formwork design, the formwork is arranged from the support position outwards to both sides, ensuring that the projection plane of the support on the beam side falls exactly within the range of a single aluminum formwork beam side formwork piece. After the concrete pouring is completed, only one formwork piece needs to be removed to install the climbing scaffold supports. The projected formwork portion is the early-stripping aluminum formwork 041.

[0066] In a preferred embodiment, the attachment points of the spare climbing scaffold supports are divided using aluminum alloy formwork based on the location of the stairs, including:

[0067] S241. Adjust the plane position of the attachment point left or right according to the size of the side of the stair triangle;

[0068] S242. Based on the determined location of the attachment point, refine a separate aluminum alloy template 051;

[0069] S243. The aluminum alloy template at the attachment point can be removed separately later, and then the spare climbing frame support can be installed.

[0070] In one possible implementation, please refer to Figure 7 As shown, the side wall of the stairwell is connected to the sloping stair treads, and the supports can only be placed on the triangular side wall of the treads, which limits the available space. The support at this location needs to be adjusted left and right according to the size of the triangular side to meet the specifications. Then, the aluminum formwork is further developed into a separate aluminum formwork according to the determined support position. This formwork can be removed separately later, and a fourth support can be installed, allowing the climbing scaffold to ascend ahead of schedule.

[0071] In a preferred embodiment, the attachment points of the spare climbing scaffold supports are divided using aluminum alloy formwork based on the location of the bay window, including:

[0072] S251. At this attachment point, the aluminum alloy plate template shall be replaced by a segmented aluminum alloy template.

[0073] S252. After the pouring is completed, the aluminum alloy formwork at the attachment point is removed separately, and angle steel 061 is used as the support plate for the upper formwork at the top of the attachment point.

[0074] In one possible implementation, please refer to Figure 8 As shown, the K-plate formwork at the bay window location is disconnected at this support position and replaced with a 200mm high and 500mm long aluminum formwork. The top is made of 80mm angle steel 061 as the support plate for the upper formwork, while the remaining locations continue to use 200mm high K-plates.

[0075] The reason why aluminum formwork F (aluminum alloy formwork) is difficult to disassemble is that the frame of the formwork is perpendicular to the formwork surface. During demolding, the formwork is squeezed, and its length tends to increase, requiring a large amount of external force to remove it. Over time, this can easily cause the formwork to twist and deform, and the frame to be damaged. In a preferred embodiment, the end face of aluminum alloy formwork F adopts a beveled structure 071. Please refer to... Figure 9 As shown, the top and bottom edges of the aluminum template are changed to 120° with the template surface, while the template thickness remains unchanged. During disassembly, the pressure on the extruded surface is tilted, reducing the extrusion pressure and facilitating disassembly.

[0076] This invention is not limited to the above-described optional embodiments. Anyone can derive other various forms of products under the guidance of this invention. However, regardless of any changes made in their shape or structure, any technical solution that falls within the scope of the claims of this invention shall be protected by this invention.

Claims

1. A method for early removal of aluminum alloy formwork at the attachment support of attached scaffolding, characterized in that, Includes the following steps: Material preparation includes spare climbing scaffold supports and climbing scaffold extension rails. The climbing scaffold extension rails are matched with the spare climbing scaffold supports. The spare climbing scaffold supports refer to the additional supports that are added after the climbing scaffold guide rails and the original climbing scaffold supports are installed. The climbing scaffold extension rails refer to the extension of the length of the original guide rails. The attachment points of the spare climbing scaffold supports are divided into aluminum alloy formwork sections according to the construction location, so as to facilitate the early removal of the aluminum alloy formwork at the attachment points of the spare climbing scaffold supports. The construction locations include shear wall locations, window locations, corridor locations, balcony locations, staircase locations, and bay window locations. Remove the aluminum alloy formwork at the attachment point of the spare climbing scaffold support, install the spare climbing scaffold support, the spare climbing scaffold support is directly above the original climbing scaffold support, and the interval between the spare climbing scaffold support and the original climbing scaffold support should meet the construction requirements; Install the extended guide rail of the climbing scaffold to the original climbing scaffold support. After installation, the extended guide rail of the climbing scaffold has a slack. Before lifting, the spare support is put into the extended guide rail of the climbing scaffold. The extended guide rail of the climbing scaffold refers to a guide rail with an extended length. Before the climbing frame is lifted, the extended guide rail of the climbing frame can be engaged with the spare climbing frame support in advance. After the climbing frame is lifted, the original climbing frame support at the bottom can be removed in advance and converted into a spare climbing frame support.

2. The method for early removal of aluminum alloy formwork at the attachment support of attached scaffolding as described in claim 1, characterized in that, Based on the location of the shear wall, the attachment points of the spare climbing scaffold supports are divided using aluminum alloy formwork during construction, including: The vertical aluminum alloy template of the spare climbing frame support attachment point is divided into upper section, middle section and lower section, and the aluminum alloy template of the middle section is the template at the support attachment point. It can be removed individually 10 to 14 hours after the concrete is poured; Once the required strength is achieved, the spare climbing scaffold support can be installed.

3. The method for early removal of aluminum alloy formwork at the attachment support of attached scaffolding as described in claim 1, characterized in that, Based on the window location, the attachment points of the spare climbing scaffold support are divided using aluminum alloy formwork during construction, including: After the concrete is poured, the aluminum alloy formwork at the attachment point is removed. Installing 80mm angle steel at the corner above the window ensures the installation of the spare climbing scaffold support at the attachment point without affecting the construction of the upper formwork.

4. The method for early removal of aluminum alloy formwork at the attachment support of attached scaffolding as described in claim 1, characterized in that, Based on the locations of the connecting corridor and the balcony, the attachment points of the spare climbing scaffold supports are divided using aluminum alloy formwork during construction, including: When designing aluminum formwork, prioritize arranging the formwork from the support position outwards to both sides, ensuring that the projection of the support on the beam side falls exactly within the entire aluminum formwork beam side template area. After the concrete is poured, a piece of formwork can be removed from the attachment point of the support to install the spare climbing scaffold support.

5. The method for early removal of aluminum alloy formwork at the attachment support of attached scaffolding as described in claim 1, characterized in that, Based on the location of the stairs, the attachment points of the spare climbing scaffold supports are divided using aluminum alloy formwork during construction, including: Adjust the plane position of the attachment point left or right according to the size of the side of the stair triangle; A separate aluminum alloy template is developed based on the determined location of the attachment point; The aluminum alloy templates at the attachment points can be removed separately later, and then the spare climbing frame supports can be installed.

6. The method for early removal of aluminum alloy formwork at the attachment support of attached scaffolding as described in claim 1, characterized in that, Based on the location of the bay window, the attachment points of the spare climbing scaffold support are divided using aluminum alloy formwork during construction, including: At this attachment point, segmented aluminum alloy formwork is used instead of aluminum alloy sheet formwork. After the pouring is completed, the aluminum alloy formwork at the attachment point is removed separately, and angle steel is used as the support plate for the upper formwork at the top of the attachment point.

7. The method for early removal of aluminum alloy formwork at the attachment support of attached scaffolding as described in claim 1, characterized in that, The end face of the aluminum alloy template adopts a beveled structure.

8. The method for early removal of aluminum alloy formwork at the attachment support of attached scaffolding as described in claim 1, characterized in that, The extended guide rail of the climbing scaffold is 3 times the floor height + 2.5 meters.

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