Terrace water retaining device of box-type structure building

Abstract

The utility model belongs to the field of box type assembly type buildings, and provides a terrace water retaining device of a box type structure building, which comprises a first box body and a second box body, the second box body is arranged at the top of the first box body, a terrace is formed between the top of the first box body and the second box body, and the second box body is provided with an opening leading to the terrace. A water retaining device is arranged at the lower end of the opening and embedded in the top of the first box body through concrete, the water retaining device comprises long-strip-shaped connecting channel steel, water retaining channel steel and a steel plate, and the connecting channel steel and the water retaining channel steel are connected through the steel plate to form a structure with an I-shaped cross section. By arranging the water retaining device, settlement of the terrace floor slab on the first box body is avoided, the production cost of the first box body prefabricated part of the settlement terrace is reduced, the water retaining device and the first box body form a whole through prefabrication, the connecting strength and tightness between the water retaining device and the first box body are improved, and the service life of the terrace floor slab is prolonged. And the connecting strength between the water retaining device and the first box body is further improved through the limiting piece and the steel plate.

Description

TECHNICAL FIELD

[0001] The utility model relates to box type assembled building field, especially a terrace water retaining device of box type structure building. BACKGROUND

[0002] There is a building system of box type structure in the assembled concrete structure, which is mostly applied in multistory buildings. In the building system of box type structure, some architects consider designing a terrace on the top of the box locally at the second floor and above in order to pursue the diversity of building functions, which not only increases the use function of the house, but also makes the building facade modeling more beautiful.

[0003] When the terrace is designed locally on the top of the box type structure, the rainwater will flow from the terrace to the indoor through the bedroom sliding door if the top of the box is flat. The prior art requires that the terrace part of the floor is sunken, that is, the local top plate of the box type structure is sunken (that is, the terrace plate is sunken), so as to play a role of structural waterproofing. In order to ensure the safe transportation of the prefabricated box, the height of the box type structure itself should not exceed 3.2 meters. In addition, due to the design of the terrace, the top of the box is sunken, so the net height of the box type structure will be reduced (the net height of the space inside the house below the terrace is reduced), which will seriously affect the use and comfort of the interior space of the box type structure. Moreover, the local sinking of the top plate of the box type structure needs to be prefabricated in the factory, which increases the production cost due to the complexity of the steel mold and the mold manufacturing.

[0004] The prior art has the following disadvantages: 1. The local top plate of the box type structure needs to be sunken, which reduces the net height of the interior space of the box type structure and affects the use of the interior space of the box type structure. 2. The production process of the local top plate of the box type structure is complex and the cost is high.

[0005] Therefore, the present application aims to design a water retaining device that does not need to sink the local top plate of the box type structure, and the water retaining device is simple to connect with the box type structure, does not need to be prefabricated with local reduced plate formwork, and reduces the production cost of the box type structure. CONTENT OF THE UTILITY MODEL

[0006] The utility model aims to overcome the above-mentioned shortcomings of the prior art, and provides a terrace water retaining device of box type structure building, which does not need to sink the local top plate of the box type structure, does not reduce the net height of the interior space of the box type structure, does not affect the use of the interior space of the box type structure, and reduces the production cost of the box type structure.

[0007] The technical solution of this utility model is: a terrace water-blocking device for a box-type structure building, comprising a first box with a rectangular structure and a second box with a bottomless structure. The second box is set on top of the first box, and a terrace is formed between the top of the first box and the rear end face of the second box. The rear end face of the second box has an opening leading to the terrace. A water-blocking device is provided at the lower end of the opening and is embedded in the top of the first box by concrete. The water-blocking device includes a long strip of connecting channel steel, a water-blocking channel steel, and a steel plate. The connecting channel steel and the water-blocking channel steel are connected by the steel plate to form an I-shaped structure.

[0008] The advantages of this solution are that the water-blocking device is pre-embedded in concrete at the top of the first enclosure, thereby blocking rainwater from the terrace into the room, avoiding the need for settlement design of the first enclosure, so as not to affect the net height inside the first enclosure, and at the same time reducing the prefabrication cost of the first enclosure; the pre-embedding method can improve the tightness of the connection between the water-blocking device and the first enclosure, and the water-blocking device is pre-embedded in the top of the first enclosure to form an integral whole with the first enclosure, improving the waterproof strength and preventing water seepage.

[0009] Furthermore, the grooves of both the connecting channel steel and the water-retaining channel steel are arranged facing outwards; preferably, the water-retaining channel steel is arranged facing the terrace side, and the connecting channel steel is arranged facing the interior, using channel steel to improve the tight connection and connection strength between the water-retaining device and the first box.

[0010] Furthermore, a number of limiting members are provided at equal intervals in the groove; preferably, the limiting members are welded studs or short bent steel bars of different lengths, with the bending direction of the steel bars being to the sides or downwards; the setting of the limiting members facilitates the increase of the connection contact area between the water-blocking device and the first box, thereby improving the connection strength between the water-blocking device and the first box, and playing a certain limiting role for the water-blocking device; the main function of the limiting members is to enhance the shear resistance of the terrace water-blocking device, ensuring that the terrace water-blocking device is not easily moved after being embedded in the box structure.

[0011] Furthermore, angle steel is fixedly provided on the top of both the connecting channel steel and the water-blocking channel steel, and the installation of the angle steel facilitates the subsequent installation of the sliding door at the opening.

[0012] Furthermore, the angle steel is arranged in several pieces at equal intervals, or the angle steel is a single piece, which improves the installation convenience of the angle steel. The angle steel is fixed to the top of the connecting channel steel and the water-retaining channel steel by welding.

[0013] Furthermore, the height of the water-blocking device is 12-25cm, and the pre-embedded depth of the water-blocking device is 1 / 4-3 / 4 of its height. Preferably, the height of the water-blocking device is 13-20cm; more preferably, the height of the water-blocking device is 15 / 17 / 19cm. This width ensures that the height of the water-blocking device after installation is sufficient to allow for adequate water-blocking height at the top of the first housing, preventing rainwater from directly entering the room; at the same time, it should not be too high, as excessively high water-blocking components are prone to collision damage, affecting the connection strength between the water-blocking device and the first housing.

[0014] Furthermore, the connecting channel steel and the water-blocking channel steel are fixedly connected to the reinforcing bars inside the top plate of the box body by welding; the welding method further improves the connection strength between the water-blocking device and the first box body.

[0015] Furthermore, the steel plate consists of two vertically distributed plates, welded parallel to each other between the connecting channel steel and the water-retaining channel steel. The lower steel plate has several through holes. Preferably, the steel plate enhances the lateral support of the water-retaining channel steel, thereby achieving local stability of the water-retaining device. More preferably, the upper and lower steel plates are respectively a first steel plate and a second steel plate, with the second steel plate positioned below and having several through holes. The through holes facilitate the passage of self-compacting concrete through the second steel plate during prefabrication, forming a unified structure and improving the connection strength and tightness between the water-retaining device and the first housing.

[0016] Furthermore, the through hole is an elongated hole, a round hole, or an irregular hole.

[0017] Furthermore, the steel plate is provided with reinforcing ribs at the connection between it and the connecting channel steel and the water-blocking channel steel. The reinforcing ribs are provided to improve the structural strength of the water-blocking device.

[0018] In the prior art, when a portion of the top of a box-type structure is used as a terrace, the floor slab at the terrace needs to be lowered, which means lowering a portion of the top slab of the box-type structure for structural waterproofing. However, this reduces the internal clear height of the box-type structure and affects the usability of the internal space. This application aims to invent a terrace water-blocking device for box-type structures that does not require lowering a portion of the top slab of the box-type structure, does not reduce the internal clear height of the box-type structure, and does not affect the usability of the internal space of the box-type structure.

[0019] This utility model has the following beneficial effects:

[0020] By setting up the water-blocking device, the settlement of the terrace floor slab on the first box is prevented, which reduces the production cost of the prefabricated first box components for the settlement terrace. The water-blocking device is prefabricated and forms an integral part with the first box, which improves the connection strength and tightness between the water-blocking device and the first box. The contact area between the water-blocking device and the first box is increased by the limiting parts and steel plates, which prevents the water-blocking device from loosening.

[0021] The detailed structure of this utility model will be further described below with reference to the accompanying drawings and specific embodiments. Attached Figure Description

[0022] Figure 1 - This is a schematic diagram illustrating the installation and use of this utility model;

[0023] Figure 2 -for Figure 1 Enlarged view of part A in the middle;

[0024] Figure 3 - A schematic diagram of the water-blocking device;

[0025] Figure 4 - A schematic diagram of the second type of water-blocking device;

[0026] Figure 5 - A schematic diagram of the third type of water-blocking device;

[0027] 1-First box body, 2-Terrace, 3-Water-blocking device, 4-Opening, 5-Second box body, 6-Precast floor slab, 7-Water-blocking channel steel, 8-Steel plate, 9-Connecting channel steel, 10-Angle steel, 11-First steel plate, 12-Second steel plate, 13-Through hole, 14-Limiting component. Detailed Implementation

[0028] As attached Figures 1-5 As shown: A terrace water-blocking device for a box-type structure building includes a first box 1 with a rectangular structure and a second box 5 with a bottomless structure. The second box 5 is located on top of the first box 1, and a terrace 2 is formed between the top of the first box 1 and the rear end face of the second box 5. The rear end face of the second box 5 has an opening 4 leading to the terrace 2. A water-blocking device 3 is provided at the lower end of the opening 4 and is embedded in the top of the first box 1 by concrete. The water-blocking device 3 includes a long strip-shaped connecting channel steel 9, a water-blocking channel steel 7, and a steel plate 8. The connecting channel steel 9 and the water-blocking channel steel 7 are connected by the steel plate 8 to form an I-shaped structure. Preferably, if the first box 1 is provided with multiple units, the first box 1 is connected to each other by a precast floor slab 6, and the upper second box 5 is also connected to each other by a precast floor slab 6.

[0029] The advantages of this solution are that by pre-embedding the water-blocking device 3 in the top of the first box 1 with concrete, rainwater from the terrace 2 into the room is blocked, avoiding the need for settlement design of the first box 1 and thus not affecting the net height inside the first box 1. At the same time, it can reduce the prefabrication cost of the first box 1. The pre-embedding method can improve the tightness of the connection between the water-blocking device 3 and the first box 1. By pre-embedding the water-blocking device 3 in the top of the first box 1 and forming an integral whole with the first box 1, the waterproof strength can be improved and water seepage can be avoided.

[0030] In this embodiment, the grooves connecting the channel steel 9 and the water-retaining channel steel 7 are both oriented outwards. Preferably, the water-retaining channel steel 7 is oriented towards the terrace 2 side, and the connecting channel steel 9 is oriented towards the interior. The channel steel is used to improve the tight connection and connection strength between the water-retaining device 3 and the first box 1. Preferably, a plurality of limiting members 14 are provided at equal intervals in the groove. Preferably, the limiting members 14 are welded studs or short bent steel bars of different lengths, with the bending direction of the steel bars being to the sides or downwards. The setting of the limiting members 14 facilitates the increase of the connection contact area between the water-retaining device 3 and the first box 1, thereby improving the connection strength between the water-retaining device 3 and the first box 1, and playing a certain limiting role for the water-retaining device 3. The main function of the limiting members 14 is to enhance the shear resistance of the water-retaining device 3 of the terrace 2, ensuring that the water-retaining device 3 of the terrace 2 is not easily moved after being embedded in the box structure.

[0031] In this embodiment, angle steel 10 is fixedly provided on the top of both the connecting channel steel 9 and the water-retaining channel steel 7. The angle steel 10 facilitates the installation of the sliding doors at the subsequent openings 4. In this embodiment, five angle steel 10s are evenly spaced; the angle steel 10 can also be provided as a single piece to improve the installation convenience. The angle steel 10 is fixed to the top of the connecting channel steel 9 and the water-retaining channel steel 7 by welding.

[0032] In this embodiment, the height of the water-blocking device 3 is 12-25cm, and the pre-embedded depth of the water-blocking device 3 is 1 / 4-3 / 4 of its height. Preferably, the height of the water-blocking device 3 is 13-20cm; more preferably, the height of the water-blocking device 3 is 15 / 17 / 19cm. This width ensures that the height of the water-blocking device 3 after installation is sufficient to allow for adequate water blocking height at the top of the first housing 1, preventing rainwater from directly entering the room; at the same time, it should not be too high, as excessively high water-blocking devices are prone to collision damage, affecting the connection strength between the water-blocking device 3 and the first housing 1. Most preferably, in this embodiment, the height of the water-blocking device 3 is 17cm, and the pre-embedded depth is 7cm.

[0033] In this embodiment, the connecting channel steel 9 and the water-blocking channel steel 7 are fixedly connected to the reinforcing bars in the top plate of the box body by welding; the welding method further improves the connection strength between the water-blocking device 3 and the first box body 1.

[0034] In another structure of the water-blocking device 3, two steel plates 8 are arranged vertically and welded parallel to each other between the connecting channel steel 9 and the water-blocking channel steel 7. The lower steel plate 8 has several through holes 13. Preferably, the steel plates 8 are used to enhance the lateral support of the water-blocking channel steel 7, thereby achieving the local stability of the water-blocking device 3. More preferably, the upper and lower steel plates 8 are respectively a first steel plate 11 and a second steel plate 12. The second steel plate 12 is located at the bottom and has several through holes 13. The through holes 13 are elongated holes, round holes, or irregular holes. In this embodiment, the through holes 13 are round holes. The through holes 13 facilitate the self-compacting concrete to pass through the second steel plate 12 during the prefabrication process and form an integral whole with the first box body 1, thereby improving the connection strength and tightness between the water-blocking device 3 and the first box body 1. Preferably, the connection between the steel plate 8 and the connecting channel steel 9 and the water-blocking channel steel 7 is provided with reinforcing ribs (not shown in the figure). The reinforcing ribs are used to improve the structural strength of the water-blocking device 3.

[0035] In the prior art, when the top of a box-type structure is partially used as a terrace 2, it is necessary to lower the floor slab of the terrace 2, that is, to lower the partial top slab of the box-type structure for structural waterproofing. However, this reduces the internal clear height of the box-type structure and affects the use of the internal space. This application aims to invent a water-blocking device 3 for the terrace 2 of a box-type structure that does not require lowering the partial top slab of the box-type structure, does not reduce the internal clear height of the box-type structure, and does not affect the use of the internal space of the box-type structure.

[0036] The water-blocking device 3 of this utility model avoids the settlement of the floor slab of the terrace 2 on the first box 1, reducing the production cost of the prefabricated first box 1 of the settlement terrace 2. The water-blocking device 3 is prefabricated and forms an integral part with the first box 1, which improves the connection strength and tightness between the water-blocking device 3 and the first box 1. The contact area between the water-blocking device 3 and the first box 1 is increased by the limiting member 14 and the steel plate 8, which prevents the water-blocking device 3 from loosening.

[0037] The above describes the preferred embodiment of this utility model and the technical principles used therein. For those skilled in the art, any obvious changes such as equivalent transformations or simple substitutions based on the technical solution of this utility model without departing from the spirit and scope of this utility model shall fall within the protection scope of this utility model.

Claims

1. A terrace water-blocking device for a box-type structure building, comprising a first box with a rectangular structure and a second box with a bottomless structure, the second box being disposed on top of the first box, and a terrace being formed between the top of the first box and the rear end face of the second box, characterized in that: The rear end face of the second box is provided with an opening leading to the terrace. The lower end of the opening is provided with a water-blocking device and is embedded in the top of the first box through concrete. The water-blocking device includes a long strip of connecting channel steel, a water-blocking channel steel and a steel plate. The connecting channel steel and the water-blocking channel steel are connected by the steel plate to form an I-shaped structure.

2. The terrace water-blocking device for a box-type structure building according to claim 1, characterized in that: The grooves of both the connecting channel steel and the water-retaining channel steel are arranged facing outwards.

3. The terrace water-blocking device for a box-type structure building according to claim 2, characterized in that: The groove is provided with several limiting elements at equal intervals.

4. The terrace water-blocking device for a box-type structure building according to claim 2, characterized in that: Angle steel is fixedly installed on the top of both the connecting channel steel and the water-retaining channel steel.

5. The terrace water-blocking device for a box-type structure building according to claim 4, characterized in that: The angle steel is arranged in several pieces at equal intervals, or the angle steel is a single piece.

6. The terrace water-blocking device for a box-type structure building according to claim 1, characterized in that: The height of the water-blocking device is 12-25cm, and the depth of the water-blocking device is 1 / 4-3 / 4 of its height.

7. The terrace water-blocking device for a box-type structure building according to claim 1, characterized in that: The connecting channel steel and the water-retaining channel steel are fixedly connected to the reinforcing steel in the top plate of the box body by welding.

8. The terrace water-blocking device for a box-type structure building according to claim 1, characterized in that: The steel plate consists of two pieces distributed vertically, which are welded and fixed in parallel between the connecting channel steel and the water-retaining channel steel. The lower steel plate has several through holes.

9. The terrace water-blocking device for a box-type structure building according to claim 8, characterized in that: The through hole can be an elongated hole, a round hole, or an irregular hole.

10. The terrace water-blocking device for a box-type structure building according to any one of claims 1-9, characterized in that: The steel plate is reinforced at the connection with the connecting channel steel and the water-retaining channel steel.

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