Formwork reinforcing structure for joint part of upper floor and lower floor of cast-in-place concrete structure

Abstract

The utility model discloses a cast-in-place concrete structure upper and lower floor connecting part formwork reinforcing structure which comprises a main ridge, a secondary ridge and a mountain-shaped clamp, a wood formwork is arranged at the outer end of the same side of upper layer shear wall concrete and lower layer shear wall concrete, the secondary ridge is arranged on the outer side of the wood formwork, and the wood formwork and the secondary ridge are arranged on the other side of the upper layer shear wall concrete. Wherein a screw rod is reserved at the concrete position of the lower-layer shear wall, the main ridges located on the outer side of the concrete of the lower-layer shear wall are located at the upper end and the lower end of the screw rod, the main ridges are in vertical contact with the secondary ridges, the outer sides of the main ridges are provided with mountain-shaped clamps, the mountain-shaped clamps clamp the main ridges, and the mountain-shaped clamps are in threaded connection with the screw rod. And later cutting is not needed, and cyclic utilization can be achieved.

Description

Technical Field

[0001] This utility model relates to the field of template reinforcement technology, and more specifically, to a template reinforcement structure for the joint between upper and lower floors of a cast-in-place concrete structure. Background Technology

[0002] In building construction, the joint between upper and lower floors usually refers to the structural connection or construction joint treatment between upper and lower floors, which directly affects the integrity, earthquake resistance and durability of the building.

[0003] Currently, the measures to control the concrete quality at the joints of vertical formwork in high-rise shear wall structures generally adopt the following two methods: one is to pre-embed tie bolts with PVC sleeves, and the other is to directly pre-embed tie rods. Currently, the pre-embedded reinforcement tie rods still require separate end caps, the types of components are too numerous, and the rods need to be cut off later, making them unusable. Utility Model Content

[0004] To address the problems existing in the prior art, the purpose of this utility model is to provide a formwork reinforcement structure for the joint between upper and lower floors of a cast-in-place concrete structure. The length of the screw can be adjusted as needed by using adjustable screws in combination, eliminating the need for later cutting and allowing for recycling.

[0005] The present invention adopts the following technical solution:

[0006] A formwork reinforcement structure for the joint between upper and lower floors of a cast-in-place concrete structure includes a main rib, a secondary rib, and a U-shaped clamp. Wooden formwork is installed on the outer end of the same side of the upper and lower shear wall concrete. A secondary rib is installed on the outer side of the wooden formwork. Wooden formwork and a secondary rib are installed on the other side of the upper shear wall concrete. A threaded rod is pre-installed at the lower shear wall concrete. The main rib, located on the outer side of the lower shear wall concrete, is located at the upper and lower ends of the threaded rod. The main rib and the secondary rib are in perpendicular contact. A U-shaped clamp is provided on the outer side of the main rib, which clamps the main rib. The U-shaped clamp is threadedly connected to the threaded rod.

[0007] Furthermore, trapezoidal grooves are provided at both ends of the concrete installation bolts of the lower shear wall.

[0008] Furthermore, the upper shear wall concrete is equipped with multiple screw rods. These screw rods pass through the wooden formwork on both sides of the upper shear wall concrete. Main ribs are set on both sides of the upper shear wall concrete, and the main ribs are in perpendicular contact with the secondary ribs. A mountain-shaped clip is set on the outside of the main ribs, and the mountain-shaped clip is threadedly connected to the screw rod.

[0009] Furthermore, the screw is equipped with a water-stop plate, and the screw located on both sides of the water-stop plate is equipped with external threads.

[0010] Furthermore, it also includes an adjusting screw, one end of which is provided with a connecting sleeve that is threadedly connected to the screw, and the other end of which is provided with an external thread. The diameter of the adjusting screw is the same as that of the screw.

[0011] Furthermore, the size of the connecting sleeve is smaller than that of the trapezoidal groove. When the adjusting screw is connected to the screw, a part of the connecting sleeve is located inside the trapezoidal groove.

[0012] Beneficial effects

[0013] This invention can reduce issues such as concrete leakage and misalignment in later stages, improving the appearance quality of the concrete. Using on-site materials such as formwork, bolts, timber, and steel pipes avoids resource waste, improves the quality of concrete pouring, achieves technological efficiency, and saves construction costs. Attached Figure Description

[0014] Figure 1 This is a schematic diagram illustrating the reinforcement of an embodiment of the present invention;

[0015] Figure 2 This is a schematic diagram of a screw according to an embodiment of the present invention;

[0016] Figure 3 This is a schematic diagram of an adjusting screw according to an embodiment of the present invention;

[0017] Figure 4 This is a schematic diagram of the screw and adjusting screw combined according to an embodiment of the present invention. Detailed Implementation

[0018] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the present utility model.

[0019] As shown in the figure, this utility model discloses a formwork reinforcement structure for the joint between upper and lower floors of a cast-in-place concrete structure, including a main rib 1, a secondary rib 2, and a U-shaped clamp 3. Wooden formwork 6 is installed on the outer end of the same side of the upper shear wall concrete 4 and the lower shear wall concrete 5. Secondary rib 2 is installed on the outer side of the wooden formwork 6. Wooden formwork 6 and secondary rib 2 are installed on the other side of the upper shear wall concrete 4. A screw rod 7 is pre-installed at the lower shear wall concrete 5. The main rib 1, located on the outer side of the lower shear wall concrete 5, is positioned at the upper and lower ends of the screw rod 7. The main rib 1 and secondary rib 2 are in perpendicular contact. A U-shaped clamp 3 is provided on the outer side of the main rib 1, which clamps the main rib 1 and is threadedly connected to the screw rod 5. When the U-shaped clamp 3 is tightened, it presses the main rib 1, which in turn presses the secondary rib 2, thus pressing the wooden formwork 6. The screw 7 of this invention can be connected to adjusting screws on both sides, with precise dimensions and no need for excessive pre-existing length. This avoids the need for cutting unnecessary parts of the screw 7 after reinforcement due to pre-existing length, greatly improving construction efficiency. Furthermore, since the thickness of the concrete wall varies, compared to existing technologies, this invention can be used through multiple connections, making it suitable for various types of concrete walls. Existing screws, on the other hand, either have one end pre-embedded in the concrete wall or require cutting due to excessive length, which is labor-intensive and time-consuming. Additionally, existing screws require separate end caps, resulting in a variety of types and high costs.

[0020] The main rib 1 here is a steel pipe with a diameter of 48.3mm.

[0021] In one embodiment of this utility model, trapezoidal grooves 51 are provided at both ends of the mounting screw 5 of the lower shear wall concrete 5. The trapezoidal grooves 51 are used to avoid the adjusting screw, and facilitate the connection between the adjusting screw and one end of the screw 7. Here, one end of the screw 7 is located at the lower shear wall concrete 5, and the other end of the screw 7 is located outside the lower shear wall concrete 5. No pre-reserved measures are required, and the screw 7 can be directly connected to the adjusting screw.

[0022] In one embodiment of this utility model, the upper shear wall concrete 4 is equipped with multiple screw rods 8. These screw rods 8 pass through the wooden formwork 6 on both sides of the upper shear wall concrete 4. Main ribs 1 are provided on both sides of the upper shear wall concrete 4, and the main ribs 1 are in perpendicular contact with the secondary ribs 2. A U-shaped clip 3 is provided on the outer side of the main rib 1, and the U-shaped clip 3 is threadedly connected to the screw rods 8. The U-shaped clip 3 is used to lock the main ribs 1, then press the secondary ribs 2, and finally fix the upper wooden formwork 6.

[0023] In one embodiment of this utility model, the screw 7 is provided with a water-stop plate 9, and the screw located on both sides of the water-stop plate 9 is provided with external threads.

[0024] In one embodiment of this utility model, an adjusting screw 10 is further included. One end of the adjusting screw 10 is provided with a connecting sleeve 11, which is threadedly connected to the screw 7. The other end of the adjusting screw 10 is provided with an external thread, and the diameter of the adjusting screw 10 is equal to that of the screw 7. When needed, the adjusting screw 10 is used for subsequent connection with the screw 7.

[0025] In one embodiment of this utility model, the size of the connecting sleeve 11 is smaller than that of the trapezoidal groove 51. When the adjusting screw 10 is connected to the screw 7, a portion of the connecting sleeve 11 is located within the trapezoidal groove 51. The inner side of the connecting sleeve 11 is provided with an internal thread, and the outer ring size of the connecting sleeve 11 is larger than the diameter of the adjusting screw 10, thus requiring the trapezoidal groove 51.

[0026] The inner side of the wooden formwork is provided with a sponge strip 12, which serves to prevent grout leakage. The sponge strip 12 is first attached to the top of the lower shear wall concrete 5.

[0027] When reinforcing the wooden formwork of the first-floor shear wall (i.e., the lower-floor shear wall concrete 5), screw rods 7 are used to reinforce the wall formwork 200mm below the top of the wooden formwork.

[0028] The above description is merely a preferred embodiment of this utility model; however, the protection scope of this utility model is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the technical scope disclosed in this utility model, based on the technical solution and its improved concept, should be included within the protection scope of this utility model.

Claims

1. A formwork reinforcement structure for the joint between upper and lower floors of a cast-in-place concrete structure, characterized in that: The structure includes main ribs, secondary ribs, and mountain-shaped clips. Wooden formwork is installed on the outer ends of the same side of the upper and lower shear wall concrete. Secondary ribs are installed on the outer side of the wooden formwork. Wooden formwork and secondary ribs are installed on the other side of the upper shear wall concrete. A threaded rod is reserved at the lower shear wall concrete. The main rib located on the outer side of the lower shear wall concrete is located at the upper and lower ends of the threaded rod. The main rib and secondary rib are in perpendicular contact. A mountain-shaped clip is installed on the outer side of the main rib. The mountain-shaped clip holds the main rib and is threadedly connected to the threaded rod.

2. The formwork reinforcement structure for the joint between upper and lower floors of a cast-in-place concrete structure according to claim 1, characterized in that: The lower shear wall concrete installation bolts have trapezoidal grooves at both ends.

3. The formwork reinforcement structure for the joint between upper and lower floors of a cast-in-place concrete structure according to claim 1, characterized in that: The upper shear wall concrete is equipped with multiple screw rods. The screw rods pass through the wooden formwork on both sides of the upper shear wall concrete. Main ribs are set on both sides of the upper shear wall concrete. The main ribs are in perpendicular contact with the secondary ribs. A mountain-shaped clip is set on the outside of the main ribs. The mountain-shaped clip is threadedly connected to the screw rod.

4. The formwork reinforcement structure for the joint between upper and lower floors of a cast-in-place concrete structure according to claim 2, characterized in that: The screw is equipped with a water-stop plate, and the screw located on both sides of the water-stop plate is equipped with external threads.

5. The formwork reinforcement structure for the joint between upper and lower floors of a cast-in-place concrete structure according to claim 4, characterized in that: It also includes an adjusting screw, one end of which is provided with a connecting sleeve, which is threadedly connected to the screw, and the other end of which is provided with an external thread, and the diameter of the adjusting screw is the same as that of the screw.

6. The formwork reinforcement structure for the joint between upper and lower floors of a cast-in-place concrete structure according to claim 5, characterized in that: The size of the connecting sleeve is smaller than that of the trapezoidal groove. When the adjusting screw is connected to the screw, a part of the connecting sleeve is located in the trapezoidal groove.

7. The formwork reinforcement structure for the joint between upper and lower floors of a cast-in-place concrete structure according to claim 1, characterized in that: The main beam is made of steel pipe.

8. The formwork reinforcement structure for the joint between upper and lower floors of a cast-in-place concrete structure according to claim 1, characterized in that: The inside of the wooden formwork is equipped with a sponge strip.

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