Structural axillary angle template reinforcing device and reinforcing method

Abstract

The present application relates to the technical field of construction of rectangular structures such as underpass tunnels and box culverts, and particularly relates to a structure armpit angle formwork reinforcing device and reinforcing method, which comprises horizontal rods, first vertical rods and second vertical rods, multiple horizontal rods are uniformly distributed along the length direction of the partition wall, multiple reserved holes are arranged on the partition wall, the horizontal rods pass through the reserved holes, one horizontal rod corresponds to one first vertical rod and one second vertical rod, template holes are formed in the template for the first vertical rods and the second vertical rods to pass through, sleeves are sleeved on the first vertical rods and the second vertical rods after the first vertical rods and the second vertical rods pass through the template, the first vertical rods and the second vertical rods all protrude out of the sleeves and are connected through connecting corner codes, fasteners for supporting the keels below the template are arranged on the first vertical rods and the second vertical rods. The present application has the technical effect of ensuring the safety of formwork reinforcement.

Description

Technical Field

[0001] This invention relates to the technical field of construction of rectangular structures such as underpasses and box culverts, and in particular to a structural axle corner formwork reinforcement device and reinforcement method. Background Technology

[0002] For rectangular structures such as urban underpasses and box culverts, haunches are typically installed at the junction of the side walls and the roof structure to enhance the rigidity of the support plane and improve stress concentration at the junction. The haunches are generally triangular, with the right-angled sides ranging from 0.5m to 1.0m in length. Located at structural corners, traditional diagonal supports need to be connected to steel pipe scaffolding, leading to complex stress distribution, low construction accuracy, and a tendency for quality problems such as formwork bulging and grout leakage. Furthermore, the installation of diagonal support members is difficult and requires frequent angle adjustments, impacting construction efficiency. Summary of the Invention

[0003] To address the problems existing in the prior art, the present invention provides a structural corner template reinforcement device and method that can ensure the reinforcement and installation of templates and improve labor efficiency.

[0004] On the one hand, the present invention provides a structural axle corner template reinforcement device, with the following technical solution: A structural axle corner template reinforcement device includes horizontal members, a first vertical member, and a second vertical member. Multiple horizontal members are evenly distributed along the length of a central partition wall. Multiple pre-drilled holes are provided on the central partition wall, through which the horizontal members pass. Each horizontal member corresponds to one first vertical member and one second vertical member. Template holes are provided on the template for the first and second vertical members to pass through. One end of each horizontal member is connected to the bottom of the first vertical member via a fastener, and the other end is connected to the bottom of the second vertical member via a fastener. After passing through the template, the first and second vertical members are fitted with sleeves. The tops of both the first and second vertical members extend beyond the sleeves and are connected via connecting angle brackets. Fasteners supporting the keel below the template are provided on both the first and second vertical members.

[0005] Optionally, the fasteners include a support fastening nut and a support I-beam, the support fastening nut being threadedly connected to the first vertical member, and the support I-beam being located between the template at the armhole angle and the support fastening nut.

[0006] Optionally, the fastener may also include a support pad located above the support nut, through which the first vertical member passes and contacts the bottom of the support I-beam.

[0007] Optionally, the connecting angle bracket is a V-shaped pipe with internal threads on its inner wall. A first vertical member is inserted into one end of the connecting angle bracket and threadedly connected to it, and a second vertical member is inserted into the other end of the connecting angle bracket and threadedly connected to it.

[0008] On the other hand, this invention discloses a method for reinforcing a structural axle corner template, comprising the following steps: S1, Pre-reserved hole in the partition wall; S2. Installation of horizontal members; Based on the total length of the armpits on both sides of the central partition wall, appropriate horizontal members are matched, and the horizontal members pass through the reserved holes; S3. Template preparation; Templates are provided according to the armpit angle dimensions, the templates extend to the lower wall, and template holes are reserved on the templates according to the dimensions of the first and second vertical members; S4. Installation of vertical members; After installing the formwork and main and secondary joists on one side of the partition wall, first install the first vertical member, ensuring it passes through the corresponding formwork hole. The bottom of the first vertical member is connected to one end of the horizontal member via a swivel coupler. All first vertical members must be at the same elevation. Adjust the elevation of the fasteners on the first vertical member according to the armhole positioning, ensuring the formwork at the armhole is in the designed position. Then, attach a sleeve to the first vertical member above the formwork. Next, install the formwork and main and secondary keels on the other side of the partition wall, and then install the second vertical member. The second vertical member above the formwork is fitted with a sleeve. The top of the second vertical member is connected to the top of the first vertical member by a connecting angle bracket. The bottom of the second vertical member is connected to the horizontal member by a swivel fastener. S5. Reinforcing bar binding and concrete pouring; After the formwork reinforcement is completed and the composite elevation is reached, the steel reinforcement is tied and concrete is poured after the inspection is passed.

[0009] Compared with the prior art, the present invention has the following technical effects: This invention uses a triangle formed by a first vertical member, a second vertical member, and a horizontal member. By utilizing the principle of triangle stability to optimize the process, it ensures the safety of the formwork reinforcement, improves labor efficiency, and effectively saves construction costs. Attached Figure Description

[0010] Figure 1 This is a schematic diagram illustrating the overall structure of the present invention; Figure 2 This is a schematic diagram illustrating the horizontal member, the first vertical member, and the second vertical member in this invention; Figure 3 This is a schematic diagram illustrating the template and template holes in this invention.

[0011] Explanation of reference numerals in the attached drawings: 1. Central partition wall; 11. Reserved hole; 2. Template; 21. Template hole; 3. Horizontal member; 4. First vertical member; 5. Second vertical member; 6. Fastener; 61. Support fastening nut; 62. Support I-beam; 63. Support pad; 7. Sleeve; 8. Connecting angle bracket. Detailed Implementation

[0012] The following is in conjunction with the appendix Figure 1 - Appendix Figure 3 The present invention will be described in further detail below.

[0013] Reference Figure 1 and Figure 2 This invention discloses a structural axle corner template reinforcement device, including a horizontal member 3, a first vertical member 4, and a second vertical member 5. The central partition wall 1 in the box culvert has multiple reserved holes 11. The box culvert is poured in three parts: first, the bottom slab is poured; then, the side walls and the central partition wall 1 are poured; and finally, the top slab is poured.

[0014] Multiple pre-drilled holes 11 are evenly distributed along the length of the partition wall 1, with each horizontal member 3 corresponding to one pre-drilled hole 11, through which the horizontal member 3 passes. Template holes 21 are provided on the template 2. A first vertical member 4 passes through the template hole 21 on one side of the partition wall 1, and a second vertical member 5 passes through the template hole 21 on the other side of the partition wall 1. Both the first vertical member 4 and the second vertical member 5 are connected to the horizontal members 3 via swivel fasteners. The template 2 closest to the partition wall 1 extends downwards to the position of the horizontal member 3, which provides support for the template 2.

[0015] Both the first vertical member 4 and the second vertical member 5 are equipped with fasteners 6 to support the template 2. The following description uses the fastener 6 on the first vertical member 4 as an example. The fastener 6 includes a supporting fastening nut 61 and a supporting I-beam 62. The supporting fastening nut 61 is threaded to the first vertical member 4. The supporting I-beam 62 is located between the template 2 at the armpit angle and the supporting fastening nut 61. A keel is installed below the template 2, and the supporting I-beam 62 contacts the keel. A supporting pad 63 is provided on the supporting fastening nut 61, and the supporting pad 63 contacts the bottom of the supporting I-beam 62. The first vertical member 4 passes through the supporting pad 63. The position of the supporting fastening nut 61 is adjusted according to the positioning of the armpit angle, thereby enabling the supporting I-beam 62 to support the template 2 at the armpit angle.

[0016] The first vertical member 4 and the second vertical member 5 pass through the template 2 and are fitted with sleeves 7. The sleeves 7 are made of PVC pipe. The tops of the first vertical member 4 and the second vertical member 5 extend out of the sleeves and are equipped with connecting brackets 8. The first vertical member 4 and the second vertical member 5 are connected by the connecting brackets 8. The connecting brackets 8 are V-shaped pipes with internal threads on their inner walls. The first vertical member 4 is inserted into one end of the connecting bracket 8 and threadedly connected to it. The second vertical member 5 is inserted into the other end of the connecting bracket 8 and threadedly connected to it. The first vertical member 4 and the second vertical member 5 are set perpendicular to the template 2 at the armpit corner position.

[0017] After the upper concrete of the box culvert is poured, when dismantling the formwork 2, first loosen the support fastening nut 61, remove the support I-beam 62, and then dismantle the first vertical connecting rod 4, the second vertical connecting rod 5 and the horizontal member 3 in sequence. Remove the first vertical connecting rod 4 and the second vertical connecting rod 5 from the concrete, and finally dismantle the formwork 2.

[0018] This invention discloses a method for reinforcing a structural axle corner template, comprising the following steps: S1, pre-reserved hole 11 in the middle partition wall.

[0019] When pouring the lower concrete of the box culvert, multiple reserved holes 11 are set on the central partition wall 1. The distance between the height of the reserved hole 11 and the top of the central partition wall 1 is H, and the distance between two adjacent reserved holes 11 is L. The distance of H is about 300mm and the distance of L is about 450mm. The size of H and L needs to be calculated according to different haunch angle sizes.

[0020] S2, Horizontal member 3 installation.

[0021] Based on the total length of the two side angles of the central partition wall 1, a suitable horizontal member 3 is matched, and the horizontal member 3 passes through the reserved hole 11.

[0022] S3, Template 2 preparation.

[0023] Template 2 is provided according to the armpit angle size. Template 2 extends to the lower wall. Template holes 21 are reserved on template 2 according to the size of the first vertical member 4 and the second vertical member 5. It is required that the first vertical member 4 and the second vertical member 5 can pass smoothly through the opening of template 2.

[0024] S4. Installation of vertical members.

[0025] After installing the formwork 2 and main and secondary joists on one side of the partition wall 1, first install the first vertical member 4, ensuring it passes through the corresponding formwork hole 21. The bottom of the first vertical member 4 is connected to one end of the horizontal member 3 via a swivel coupler. All first vertical members 4 must be at the same elevation. Adjust the elevation of the fasteners 6 on the first vertical member 4 according to the armhole positioning, so that the formwork 2 at the armhole position is in the designed position. The first vertical member 4 above the formwork 2 is fitted with a sleeve 7.

[0026] Next, install the formwork 2 and main and secondary keels on the other side of the partition wall 1, and then install the second vertical member 5. The second vertical member 5 above the formwork 2 is fitted with a sleeve 7. The top of the second vertical member 5 is connected to the top of the first vertical member 4 through a connecting angle bracket 8, and the bottom of the second vertical member 5 is connected to the horizontal member 3 through a swivel fastener.

[0027] S5. Reinforcing bar binding and concrete pouring.

[0028] After the composite elevation of template 2 is completed and passed the inspection, the steel bars are tied and concrete is poured.

[0029] This invention uses a triangle formed by the first vertical member 4, the second vertical member 5, and the horizontal member 3. By utilizing the principle of triangle stability to optimize the process, it ensures the reinforcement and safety of the template 2, improves labor efficiency, and effectively saves construction costs.

[0030] The above are all preferred embodiments of the present invention and are not intended to limit the scope of protection of the present invention. Therefore, all equivalent changes made in accordance with the structure, shape and principle of the present invention should be covered within the scope of protection of the present invention.

Claims

1. A structural axle corner template reinforcement device, characterized in that: Includes horizontal members (3), a first vertical member (4), and a second vertical member (5). Multiple horizontal members (3) are evenly distributed along the length of the partition wall (1). The partition wall (1) has multiple pre-drilled holes (11). The horizontal members (3) pass through the pre-drilled holes (11). One horizontal member (3) corresponds to one first vertical member (4) and one second vertical member (5). The template (2) has template holes (21) through which the first vertical member (4) and the second vertical member (5) pass. The horizontal members (3)... One end is connected to the bottom of the first vertical member (4) through a fastener, and the other end of the horizontal member (3) is connected to the bottom of the second vertical member (5) through a fastener. The first vertical member (4) and the second vertical member (5) are fitted with sleeves (7) after passing through the template (2). The tops of the first vertical member (4) and the second vertical member (5) extend out of the sleeves (7) and are connected by connecting angle brackets (8). Fasteners (6) are provided on the first vertical member (4) and the second vertical member (5) to support the keel below the template (2). The fastener (6) includes a support fastening nut (61) and a support I-beam (62). The support fastening nut (61) is threadedly connected to the first vertical member (4). The support I-beam (62) is located between the template (2) at the armpit corner and the support fastening nut (61). The fastener (6) also includes a support pad (63) located above the support nut, with the first vertical member (4) passing through the support pad (63) and the support pad (63) contacting the bottom of the support I-beam (62); The connecting angle bracket (8) is a V-shaped pipe with an internal thread on the inner wall of the pipe. The first vertical member (4) is inserted into one end of the connecting angle bracket (8) and threadedly connected to the connecting angle bracket (8). The second vertical member (5) is inserted into the other end of the connecting angle bracket (8) and threadedly connected to the connecting angle bracket (8).

2. A reinforcement method for the structural axle corner template reinforcement device as described in claim 1, characterized in that, Includes the following steps: S1, middle partition wall (1) wall reserved hole (11); S2, Installation of horizontal members (3); According to the total length of the armpits on both sides of the partition wall (1), a suitable horizontal member (3) is matched, and the horizontal member (3) passes through the reserved hole (11). S3, Template (2) preparation; Template (2) is provided according to the armpit angle size. Template (2) extends to the lower wall and template holes (21) are reserved on template (2) according to the size of the first vertical member (4) and the second vertical member (5). S4. Installation of vertical members; After installing the formwork (2) and main and secondary keels on one side of the partition wall (1), first install the first vertical member (4) so ​​that the first vertical member (4) passes through the corresponding formwork hole (21). The bottom of the first vertical member (4) is connected to one end of the horizontal member (3) by a swivel fastener. It is required that the elevation of multiple first vertical members (4) is consistent. Adjust the elevation of the fastener (6) on the first vertical member (4) according to the armhole positioning so that the formwork (2) at the armhole position is in the design position. The first vertical member (4) above the formwork (2) is fitted with a sleeve (7). After that, install the formwork (2) and main and secondary keels on the other side of the partition wall (1), and then install the second vertical member (5). The second vertical member (5) above the formwork (2) is fitted with a sleeve (7). The top of the second vertical member (5) is connected to the top of the first vertical member (4) by a connecting bracket (8). The bottom of the second vertical member (5) is connected to the horizontal member (3) by a swivel fastener. S5. Reinforcing bar binding and concrete pouring; After the template (2) is reinforced and the composite elevation is completed, the steel bars are tied and concrete is poured after the acceptance is passed.

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