Bent cap formwork supporting structure

Abstract

The utility model relates to the technical field of bridge construction, and discloses a cover beam template supporting structure which comprises a sand box, a template supporting part and a template supporting part, and the sand box is used for wrapping a pier column and is located between a cover beam to be constructed and the ground so as to support the cover beam to be constructed; one end of each supporting assembly is fixed to the ground, the other end of each supporting assembly is supported on the side wall of the sand box, and the supporting assemblies are used for reinforcing the sand box; each supporting assembly comprises a supporting seat and a first supporting rod, the supporting seats are fixedly mounted on the ground, and the supporting seats abut against the bottom of the sand box; one end of the first supporting rod is connected with the supporting base, and the other end of the first supporting rod is obliquely supported on the side wall of the sand box so as to disperse loads borne by the sand box to the ground and further reinforce the sand box. Through the direct bearing of the sand box and the reinforcing and dispersing effects of the supporting assembly, the weight loaded by the cover beam and the concrete of the cover beam is effectively dispersed to a plurality of points on the ground, and the bearing capacity and stability of the whole supporting structure are improved.

Description

Technical Field

[0001] This utility model relates to the field of bridge construction technology, and in particular to a formwork support structure for cap beams. Background Technology

[0002] In bridge construction and municipal engineering, the construction of ultra-low clearance cap beams is often carried out in space-constrained environments, such as under urban roads or viaducts. These beams are relatively high and subject to significant concrete loads, placing extremely high demands on the strength and stability of the supporting structure. However, while traditional construction support structures meet these requirements, they also exhibit drawbacks such as structural complexity and high construction difficulty.

[0003] Traditional construction support structures for ultra-low headroom cap beams typically consist of multiple steel pipes, fasteners, formwork, and support frames. To meet strength and stability requirements, the support structure often requires multiple layers of support and reinforcement measures to ensure it can withstand various loads during cap beam construction, including the self-weight of the concrete, construction equipment loads, and potential dynamic loads. This makes traditional support structures extremely complex. The complexity of the support structure increases construction difficulty. Under ultra-low headroom conditions, the construction space is extremely limited, making the erection and adjustment of the support structure exceptionally difficult. Construction workers must operate within confined spaces, resulting in low work efficiency and a high risk of safety accidents. Utility Model Content

[0004] The purpose of this utility model is to provide a support structure for the formwork of a cap beam, so as to solve the problem that the construction support structure of traditional ultra-low headroom cap beams is often too complex in order to meet the requirements of strength and stability.

[0005] To achieve the above objectives, the technical solution adopted by this utility model is as follows:

[0006] A cap beam formwork support structure includes: a sand box, which is used to cover the pier column and is located between the cap beam to be constructed and the ground to support the cap beam; a plurality of support components, each of which is fixed at one end to the ground and supported at the other end on the side wall of the sand box, and each support component is used to reinforce the sand box; each support component includes a support base and a first support rod, the support base is fixedly installed on the ground and abuts against the bottom of the sand box; one end of the first support rod is connected to the support base, and the other end is inclined and supported on the side wall of the sand box to distribute the load borne by the sand box to the ground, thereby reinforcing the sand box.

[0007] Based on the above technical means, this utility model, through the direct bearing of the sand box and the reinforcement and dispersion effect of the support components, enables the entire cap beam support formwork to form a stable and reliable support system, effectively distributing the weight of the cap beam and its concrete load to multiple points on the ground, thereby reducing the stress intensity of a single point and improving the load-bearing capacity and stability of the entire support system.

[0008] Specifically, the sand box is used to directly cover the pier and is located between the planned cap beam and the ground. This allows the sand box to not only provide a stable support platform for the construction of the cap beam but also to directly bear the weight of the cap beam and its concrete load. Multiple support components are fixed to the ground and supported on the side walls of the sand box, effectively distributing the load borne by the sand box to the ground. Each support component includes a support base and a first support rod. The support base is fixed to the ground and abuts against the bottom of the sand box, providing a stable support foundation; while the first support rod is inclined, with one end connected to the support base and the other end supported on the side wall of the sand box, forming a stable triangular support structure to enhance the stability of the sand box and ensure that the load can be effectively distributed to the ground along the inclined direction of the first support rod.

[0009] This utility model's support template, by introducing sandboxes as the core support element and coordinating with the layout of multiple support components, greatly simplifies the cap beam support structure. Compared to traditional complex support systems using steel pipes and fasteners, this utility model reduces a large number of connection points and reinforcement measures, thereby lowering construction difficulty and improving construction efficiency. Especially under ultra-low clearance conditions, the structure of this utility model makes construction operations more convenient, reducing the operational difficulty and safety risks for construction workers.

[0010] Furthermore, each of the aforementioned support bases includes a first timber, a second support rod, and a second timber. The first timber and the second timber are parallel to each other. The first timber abuts against the side wall of the sand box, and the second timber is fixed to the ground. The second support rod is horizontally supported between the first timber and the second timber, and one end of the first support rod is connected to the second timber to distribute the load borne by the first timber to the ground.

[0011] Based on the aforementioned technical means, the first and second wooden blocks in this utility model serve as the main supporting elements, effectively reinforcing the structure of the sand box through their rigidity and stability. The first wooden block directly abuts against the side wall of the sand box, providing direct support, while the second wooden block is fixed to the ground, serving as the foundation of the entire support system. The two are connected by a second support rod, forming a stable support frame, significantly enhancing the stability of the sand box under load and effectively preventing deformation due to uneven or excessive stress.

[0012] The second support rod and the first support rod form a stable triangular support system, effectively distributing the load from the sand box and thus significantly improving the stability of the entire support structure. The reinforced sand box and support structure can withstand greater loads and more complex construction environments, which greatly reduces safety risks during construction. At the same time, the relatively simple and quick installation and dismantling of the timber and support rods also improves construction efficiency and shortens the construction period.

[0013] Furthermore, each of the support bases also includes a fixing member, which is connected to the second timber and penetrates the ground to fix the second timber to the ground.

[0014] According to the above-mentioned technical means, this utility model firmly fixes the second wooden block to the ground with fasteners, enhances the overall stability of the support base, and enables the load of the sand box to be smoothly transferred from the support base to the ground. At the same time, it can effectively prevent the support base from moving or tilting due to uneven ground or vibration, thereby ensuring the stability of the sand box and the sand inside.

[0015] Furthermore, the sand box includes a first box panel and a plurality of second box panels, which are spliced ​​together to surround the pier and form a cavity for filling with sand; the first box panel is installed on top of the sand, and the position of the first box panel can change with the thickness of the sand; each first timber abuts against the bottom of each second box panel, and the other end of each first support rod is inclined and supported on each second box panel to support and reinforce each second box panel.

[0016] Based on the aforementioned technical means, the sand box consists of a first box plate and multiple second box plates. This modular design allows the sand box to flexibly adapt to piers of different sizes. By adjusting the number and arrangement of the second box plates, cavities of the required size can be easily formed for filling with sand.

[0017] The first sand box is installed on top of the sand, and its position can change with the thickness of the sand, ensuring that the sand box can always tightly wrap the pier column, and maintain the integrity and stability of the sand box even when the height of the sand changes.

[0018] Furthermore, a through hole is formed in the first box plate, through which the top of the pier column can be connected to the cap beam to be constructed.

[0019] Furthermore, each of the second box plates has a sand outlet hole, which is located at the bottom of the second box plate.

[0020] Based on the aforementioned technical means, the sand outlet is located at the bottom of the second box plate, which helps maintain the stability and balance of the sand box structure. When discharging sand, since the sand is discharged gradually from the bottom, structural instability or tilting caused by a sudden and large reduction in sand is avoided.

[0021] Furthermore, each of the aforementioned support bases also includes a third timber, which is installed on the top of the first timber and abuts against the sand outlet hole to seal the sand outlet hole.

[0022] Using the aforementioned technical methods, the third timber is tightly fitted against the sand outlet hole, forming an effective seal to prevent sand leakage from the outlet hole when discharge is not required. The third timber not only serves a sealing function but also increases the overall height and strength of the support base. By installing the third timber on top of the first timber, the support base can be further stabilized, enhancing the overall structural stability of the sand box.

[0023] Furthermore, each of the support bases also includes a third support rod and a fourth timber, the fourth timber being mounted on the second timber via the fastener, and the third support rod being horizontally supported between the third timber and the fourth timber.

[0024] Based on the aforementioned technical means, the horizontally positioned third support rod effectively connects the third and fourth timber beams, forming a more stable horizontal support structure. This significantly enhances the horizontal stability of the support base and prevents horizontal displacement or tilting caused by the weight of the sand or external forces. Simultaneously, the third support rod distributes the weight and load of the sand more evenly across the support base, helping to reduce the risk of structural damage caused by excessive localized stress.

[0025] Furthermore, there are multiple first support rods, which are parallel to each other and evenly distributed.

[0026] Based on the above technical means, multiple first support rods are parallel to each other and evenly distributed to form a more stable support network, which significantly enhances the rigidity and stability of the entire support base (and even the entire sand box structure), enabling it to withstand greater loads without easily deforming or becoming unstable.

[0027] Furthermore, there are multiple second support rods, which are parallel to each other and evenly spaced from each of the first support rods.

[0028] Based on the above technical means, the first support rod and the second support rod are perpendicular to each other and evenly spaced to form a three-dimensional support network, which not only enhances the stability of the support seat in the horizontal direction, but also significantly improves its load-bearing capacity in the vertical direction, so that the sand box can remain stable and reliable under various loads.

[0029] The beneficial effects achieved by this utility model are:

[0030] 1. This utility model, through the direct bearing of the sand box and the reinforcement and dispersion effect of the support components, makes the entire cap beam support formwork form a stable and reliable support system, effectively distributing the weight of the cap beam and its concrete load to multiple points on the ground, thereby reducing the stress intensity of a single point and improving the load-bearing capacity and stability of the entire support system.

[0031] Specifically, the sand box is used to directly cover the pier and is located between the planned cap beam and the ground. This allows the sand box to not only provide a stable support platform for the construction of the cap beam but also to directly bear the weight of the cap beam and its concrete load. Multiple support components are fixed to the ground and supported on the side walls of the sand box, effectively distributing the load borne by the sand box to the ground. Each support component includes a support base and a first support rod. The support base is fixed to the ground and abuts against the bottom of the sand box, providing a stable support foundation; while the first support rod is inclined, with one end connected to the support base and the other end supported on the side wall of the sand box, forming a stable triangular support structure to enhance the stability of the sand box and ensure that the load can be effectively distributed to the ground along the inclined direction of the first support rod.

[0032] 2. This utility model's support template, by introducing sandboxes as the core support element and coordinating with the layout of multiple support components, greatly simplifies the cap beam support structure. Compared to traditional complex support systems using steel pipes and fasteners, this utility model reduces a large number of connection points and reinforcement measures, thereby lowering construction difficulty and improving construction efficiency. Especially under ultra-low clearance conditions, the structure of this utility model makes construction operations more convenient, reducing the operational difficulty and safety risks for construction workers. Attached Figure Description

[0033] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0034] Figure 2 for Figure 1 A schematic diagram of the AA cross-sectional structure;

[0035] Figure 3 This is a schematic diagram of the overall side view structure of this utility model;

[0036] Figure 4 This is a schematic diagram of the sand discharge state structure of this utility model;

[0037] Among them, 1. Sand box; 11. First box plate; 12. Second box plate; 121. Sand outlet hole;

[0038] 2. Piers;

[0039] 3. Cap beam;

[0040] 4. Ground;

[0041] 5. Support components; 51. First support rod; 52. First timber; 53. Second support rod; 54. Second timber; 55. Fixing component; 56. Third timber; 57. Third support rod; 58. Fourth timber.

[0042] The accompanying drawings are for illustrative purposes only and should not be construed as limiting the scope of this patent. To better illustrate this embodiment, some components in the drawings may be omitted, enlarged, or reduced, and do not represent the actual dimensions of the product. It is understandable to those skilled in the art that some well-known structures and their descriptions may be omitted in the drawings. The same or similar reference numerals correspond to the same or similar components. The terms describing positional relationships in the drawings are for illustrative purposes only and should not be construed as limiting the scope of this patent. Detailed Implementation

[0043] It should be noted that, unless otherwise specified, the embodiments and technical features in the embodiments of this application can be combined with each other, and the detailed descriptions in the specific embodiments should be understood as explanations of the purpose of this application and should not be regarded as undue limitations on this application.

[0044] To make the objectives, technical solutions, and advantages of the embodiments of this application clearer, the specific technical solutions of this application will be further described in detail below with reference to the accompanying drawings of the embodiments of this application. The following embodiments are used to illustrate this application, but are not intended to limit the scope of this application.

[0045] In the embodiments of this application, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of this application, unless otherwise stated, "multiple" means two or more.

[0046] In the embodiments of this application, unless otherwise explicitly specified and limited, the term "connection" should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral part; it can be a direct connection or an indirect connection through an intermediate medium.

[0047] In embodiments of this application, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes that element.

[0048] The technical solution of this embodiment will be described in detail below with reference to the accompanying drawings.

[0049] like Figures 1-4 As shown, this embodiment proposes a cap beam formwork support structure, including: a sand box 1, which is used to cover the pier column 2 and is located between the cap beam 3 to be constructed and the ground 4 to support the cap beam 3 to be constructed; multiple support components 5, each support component 5 having one end fixed to the ground 4 and the other end supported on the side wall of the sand box 1, each support component 5 being used to reinforce the sand box 1; each support component 5 includes a support base and a first support rod 51, the support base being fixedly installed on the ground and abutting against the bottom of the sand box 1; one end of the first support rod 51 being connected to the support base, and the other end being inclinedly supported on the side wall of the sand box 1 to distribute the load borne by the sand box 1 to the ground 4, thereby reinforcing the sand box 1.

[0050] During construction, sand box 1 is wrapped around pier column 2 according to the design plan, and sand is filled and compacted inside sand box 1. Support bases are fixedly installed on ground 4, and one end of the first support rod 51 is connected to the support base, while the other end is inclined and supported on the side wall of sand box 1. Ensure that each support component 5 is firmly installed and that the inclination angle of the first support rod 51 meets the design requirements to effectively distribute the load borne by sand box 1 to the ground. The bottom formwork of cap beam 3 is installed above sand box 1, and steel bars are tied inside the formwork to ensure that a solid cap beam structure can be formed after concrete pouring.

[0051] After the support is completed, first unload the sand from sand box 1, then remove the first support rod 51. Using appropriate tools, disconnect the first support rod 51 from the support base and sand box 1. Next, disconnect the support base from the ground 4 and remove the support base from the ground 4. After removing all support components, clean the construction site and check all removed parts for damage or loss. If necessary, repair or replace them and store them properly for future use.

[0052] In this embodiment, through the direct bearing of the sand box 1 and the reinforcement and dispersion effect of the support component 5, the entire cap beam support formwork forms a stable and reliable support system, effectively distributing the weight of the cap beam 3 and its concrete load to multiple points on the ground 4, thereby reducing the stress intensity of a single point and improving the load-bearing capacity and stability of the entire support system.

[0053] Specifically, the sand box 1 is used to directly cover the pier 2 and is located between the planned cap beam 3 and the ground 4. This allows the sand box 1 to not only provide a stable support platform for the construction of the cap beam 3, but also to directly bear the weight of the cap beam 3 and its concrete load. Multiple support components 5 are fixed to the ground 4 and supported on the side walls of the sand box 1, effectively distributing the load borne by the sand box 1 to the ground. Each support component 5 includes a support base and a first support rod 51. The support base is fixedly installed on the ground and abuts against the bottom of the sand box 1, providing a stable support foundation; while the first support rod 51 is inclined, with one end connected to the support base and the other end supported on the side wall of the sand box 1, forming a stable triangular support structure to enhance the stability of the sand box 1 and ensure that the load can be effectively distributed to the ground along the inclined direction of the first support rod 51.

[0054] In this embodiment, the support template introduces a sand box 1 as the core support element, combined with the layout of multiple support components 5, greatly simplifying the cap beam support structure. Compared to traditional complex support systems using steel pipes and fasteners, this embodiment reduces a large number of connection points and reinforcement measures, thereby lowering construction difficulty and improving construction efficiency. Especially under ultra-low clearance conditions, the structure of this embodiment makes construction operations more convenient, reducing the operational difficulty and safety risks for construction personnel.

[0055] like Figures 1-4 As shown, each support includes a first wooden block 52, a second support rod 53, and a second wooden block 54. The first wooden block 52 and the second wooden block 54 are parallel to each other. The first wooden block 52 abuts against the side wall of the sand box 1, and the second wooden block 54 is fixed on the ground 4. The second support rod 53 is horizontally supported between the first wooden block 52 and the second wooden block 54, and one end of the first support rod 51 is connected to the second wooden block 54 to distribute the load borne by the first wooden block 52 to the ground 4.

[0056] In this embodiment, the first timber 52 and the second timber 54 serve as the main supporting elements, effectively reinforcing the structure of the sand box 1 through their rigidity and stability. The first timber 52 directly abuts against the side wall of the sand box 1, providing direct support, while the second timber 54 is fixed to the ground 4, serving as the foundation of the entire support system. The two are connected by the second support rod 53, forming a stable support frame, which significantly enhances the stability of the sand box 1 under load and effectively prevents the sand box 1 from deforming due to uneven or excessive stress.

[0057] The second support rod 53 and the first support rod 51 form a stable triangular support system, effectively distributing the load from the sand box 1, thereby significantly improving the stability of the entire support structure. The reinforced sand box 1 and support structure 5 can withstand greater loads and more complex construction environments, which greatly reduces safety risks during construction. At the same time, the relatively simple and quick installation and dismantling of the timber and support rods also improves construction efficiency and shortens the construction period.

[0058] In this preferred embodiment, both the second support rod 53 and the first support rod 51 are steel pipes, which can significantly enhance the strength and rigidity of the entire support structure, ensure stability when subjected to large loads, and effectively prevent the sand box 1 from deforming.

[0059] like Figures 1-4 As shown, each support also includes a fixing member 55, which is connected to the second wooden block 54 and penetrates into the ground 4 to fix the second wooden block 54 to the ground 4.

[0060] In this embodiment, the second wooden block 54 is firmly fixed to the ground 4 by the fastener 55, which enhances the overall stability of the support base and allows the load of the sand box 1 to be smoothly transferred from the support base to the ground 4. At the same time, it can effectively prevent the support base from moving or tilting due to uneven ground or vibration, thereby ensuring the stability of the sand box 1 and the sand inside.

[0061] In this embodiment, the fixing member 55 is a steel bar, and multiple steel bars are set on the outside of the second timber 54. Each steel bar is inserted into the existing concrete pavement to provide effective limiting support for the second timber 54, prevent the support seat from moving or tilting, and thus ensure the stability of the sand box 1 and the sand in it.

[0062] like Figures 1-4 As shown, the sand box 1 includes a first box panel 11 and a plurality of second box panels 12. The plurality of second box panels 12 are spliced ​​together to surround the pier 2 and form a cavity for filling sand. The first box panel 11 is installed on the top of the sand, and the position of the first box panel 11 can change with the thickness of the sand. Each first timber 52 abuts against the bottom of each second box panel 12, and the other end of each first support rod 51 is inclined and supported on each second box panel 12 to support and reinforce each second box panel 12.

[0063] The sand box 1 consists of a first box plate 11 and multiple second box plates 12. This modular design allows the sand box to flexibly adapt to piers 2 of different sizes. By adjusting the number and arrangement of the second box plates 12, cavities of the required size can be easily formed for filling with sand.

[0064] The first box plate 11 is installed on top of the sand, and its position can change with the thickness of the sand, ensuring that the sand box 1 can always tightly wrap the pier 2, and maintain the integrity and stability of the sand box even when the height of the sand changes.

[0065] like Figures 1-4 As shown, the first box panel 11 and multiple second box panels 12 are all made of plywood. The plywood is bonded and pressed in multiple layers, giving it high strength and toughness, and enabling it to withstand large loads. In the sand box 1 structure, the first box panel 11 and the second box panels 12 serve as the main load-bearing and enclosure components. The use of plywood ensures the stability and safety of the structure.

[0066] like Figure 1 As shown, a through hole is formed on the first box plate 11, and the top of the pier 2 can pass through the through hole to connect with the cap beam 3 to be constructed.

[0067] like Figures 1-4 As shown, each of the second box plates 12 has a sand outlet hole 121, which is located at the bottom of the second box plate 12.

[0068] The sand outlet 121 is located at the bottom of the second box plate 12, which helps to maintain the stability and balance of the sand box 1 structure. When discharging sand, the sand is discharged gradually from the bottom, avoiding structural instability or tilting caused by a sudden and large reduction in sand.

[0069] During the sand discharge process, the sand outlet holes 121 at the bottom of the second box plate 12 are gradually opened to control the sand discharge rate. Multiple sand outlet holes can be opened one by one or simultaneously as needed. As the sand is discharged, once the bottom formwork of the first box plate 11 and the cap beam on the first box plate 11 is lowered to a certain position, the support components 5 can be removed.

[0070] like Figures 1-4 As shown, each support also includes a third timber 56, which is installed on the top of the first timber 52 and abuts against the sand outlet 121 to seal the sand outlet 121.

[0071] The third timber 56 fits tightly against the sand outlet 121, forming an effective seal to prevent sand from leaking out of the outlet when it is not needed. The third timber 56 not only provides a seal but also increases the overall height and strength of the support. By installing the third timber 56 on top of the first timber 52, the support can be further stabilized, enhancing the overall structural stability of the sand box 1.

[0072] like Figures 1-4 As shown, each support also includes a third support rod 57 and a fourth timber 58. The fourth timber 58 is installed on the second timber 54 by a fastener 55, and the third support rod 57 is horizontally supported between the third timber 56 and the fourth timber 58.

[0073] The horizontally positioned third support rod 57 effectively connects the third timber 56 and the fourth timber 58, forming a more stable horizontal support structure. This significantly enhances the horizontal stability of the support base and prevents horizontal displacement or tilting caused by the weight of the sand or external forces. Simultaneously, the third support rod 57 distributes the weight and load of the sand more evenly across the support base, helping to reduce the risk of structural damage caused by excessive localized stress.

[0074] In this embodiment, the third support rod 57 is preferably a steel pipe. The steel pipe can significantly enhance the strength and rigidity of the entire support structure, ensuring that it can remain stable even when subjected to large loads, and effectively preventing the sand box 1 from deforming.

[0075] like Figures 1-4 As shown, there are multiple first support rods 51, which are parallel to each other and evenly distributed.

[0076] Multiple first support rods 51 are parallel to each other and evenly distributed, forming a more stable support network, which significantly enhances the rigidity and stability of the entire support base (and even the entire sand box 1 structure), enabling it to withstand greater loads without easily deforming or becoming unstable.

[0077] like Figures 1-4 As shown, there are multiple second support rods 53, which are parallel to each other and are evenly spaced from each first support rod 51.

[0078] The first support rod 51 and the second support rod 53 are perpendicular to each other and evenly spaced, forming a three-dimensional support network. This not only enhances the stability of the support seat in the horizontal direction, but also significantly improves its load-bearing capacity in the vertical direction, so that the sand box 1 can remain stable and reliable under various loads.

[0079] The sequence numbers of the embodiments in this application are for descriptive purposes only and do not represent the superiority or inferiority of the embodiments. The above are merely preferred embodiments of this application and do not limit the patent scope of this application. Any equivalent structural or procedural transformations made based on the content of this application's specification and drawings, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this application.

Claims

1. A formwork support structure for a cap beam, characterized in that, include: A sand box (1) is used to cover the pier (2) and is located between the cap beam (3) to be constructed and the ground (4) to support the cap beam (3) to be constructed. Multiple support components (5), each of the support components (5) is fixed at one end to the ground (4) and supported at the other end on the side wall of the sand box (1), and each of the support components (5) is used to reinforce the sand box (1); Each of the support components (5) includes a support base and a first support rod (51). The support base is fixedly installed on the ground and abuts against the bottom of the sand box (1). One end of the first support rod (51) is connected to the support base, and the other end is inclinedly supported on the side wall of the sand box (1) to distribute the load borne by the sand box (1) to the ground (4) and thus reinforce the sand box (1).

2. The formwork support structure for a cap beam according to claim 1, characterized in that, Each of the aforementioned support bases includes a first timber (52), a second support rod (53), and a second timber (54). The first timber (52) and the second timber (54) are parallel to each other. The first timber (52) abuts against the side wall of the sand box (1). The second timber (54) is fixed on the ground (4). The second support rod (53) is horizontally supported between the first timber (52) and the second timber (54). One end of the first support rod (51) is connected to the second timber (54) to distribute the load borne by the first timber (52) to the ground (4).

3. The formwork support structure for a cap beam according to claim 2, characterized in that, Each of the support bases further includes a fixing member (55), which is connected to the second timber (54) and penetrates the ground (4) to fix the second timber (54) to the ground (4).

4. The formwork support structure for a cap beam according to claim 3, characterized in that, The sand box (1) includes a first box panel (11) and a plurality of second box panels (12), which are spliced ​​together to surround the pier (2) and form a cavity for filling with sand; the first box panel (11) is installed on the top of the sand; each of the first timbers (52) abuts against the bottom of each of the second box panels (12), and the other end of each of the first support rods (51) is inclined to support each of the second box panels (12) to support and reinforce each of the second box panels (12).

5. A formwork support structure for a cap beam according to claim 4, characterized in that, A through hole is formed on the first box plate (11), and the top of the pier (2) can pass through the through hole to connect with the cap beam (3) to be constructed.

6. The formwork support structure for a cap beam according to claim 4, characterized in that, Each of the second box plates (12) has a sand outlet hole (121) formed on it, and the sand outlet hole (121) is located at the bottom of the second box plate (12).

7. A formwork support structure for a cap beam according to claim 6, characterized in that, Each of the support bases further includes a third timber (56), which is installed on the top of the first timber (52) and abuts against the sand outlet (121) to seal the sand outlet (121).

8. The formwork support structure for a cap beam according to claim 7, characterized in that, Each of the support bases further includes a third support rod (57) and a fourth timber (58), the fourth timber (58) being mounted on the second timber (54) via the fastener (55), and the third support rod (57) being horizontally supported between the third timber (56) and the fourth timber (58).

9. A formwork support structure for a cap beam according to claim 2, characterized in that, There are multiple first support rods (51), and the multiple first support rods (51) are parallel to each other and evenly distributed.

10. A formwork support structure for a cap beam according to claim 9, characterized in that, There are multiple second support rods (53), and the multiple second support rods (53) are parallel to each other, and each second support rod (53) is evenly spaced from each first support rod (51).

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