CN103485424A - Hidden high-low span deformation joint and waterproof structure thereof - Google Patents

Abstract

The invention relates to a hidden high-span deformation joint and its waterproof structure, which is characterized in that: the elevations of the main components of a high-span building and the main components of a low-span building are staggered, and the connection between the main components of a high-span building and the main components of a low-span building Deformation joints are formed at , which is a three-dimensional structure, including vertical deformation joints and horizontal deformation joints. The vertical deformation joints are hidden at the bottom of the main components of the high-span building and connected to the top of the main components of the low-span building. The horizontal deformation joints are hidden in the The bottom surface of the main component of the high-span building is connected with the side of the main component of the low-span building; a hidden three-dimensional structure high-low-span deformation joint hidden between the height difference between the main component of the high-span building and the main component of the low-span building is formed. The present invention staggers the elevation of the main component of the high-span building and the main component of the low-span building, hides the deformation joint between the height difference of the two parts, and sets a water intercepting ditch near the joint of the low-span building to form a three-dimensional structure The expansion joint structure has the characteristics of smooth building ground, good landscape and good use effect.

Description

A hidden high and low span deformation joint and its waterproof structure

technical field

The invention relates to a hidden high and low span deformation joint and its waterproof structure, which can be used for the deformation joint between high and low span buildings of large comprehensive high-rise buildings, so as to ensure the integrity of the building appearance and improve the utilization rate of the roof garden of the low span building , improve the waterproof performance of deformation joints between high and low span buildings. It belongs to the field of architectural structure design.

Background technique

At present, most of the deformation joints between the high and low spans of large-scale comprehensive buildings in my country's construction projects are first designed as plane deformation joints, and then metal covers are added to the plane deformation joints. The deformation joint of this structure has the following three defects: 1. The components of the original main building are not used to form the deformation joint, and the deformation joint cannot be hidden under the finished surface, resulting in uneven ground, which affects the flatness and use effect of the ground. 2. The metal cover plate is directly placed on the side wall of the high-span building. The fixing structure is complicated and easy to loosen, which poses a safety hazard. 3. The waterproof performance of the horizontal seam plus metal cover plate structure is low, making the seam a vulnerable waterproof part of the building and a high-incidence part of rainwater leakage outside the building.

Contents of the invention

One of the objectives of the present invention is to provide a hidden high-low-span deformation joint in order to overcome the defects of the prior art that the plane deformation joint is easy to cause uneven ground, the metal cover plate is easy to loosen, and there are potential safety hazards. This model is suitable for the current situation of deformation joints between high and low span buildings in comprehensive buildings.

The second object of the present invention is to provide a waterproof structure with hidden high and low span deformation joints.

One of purpose of the present invention can be achieved by taking the following technical solutions:

A hidden high-span deformation joint, high-span building main components and low-span building main components, its structural characteristics are: the elevation of the high-span building main components and low-span building main components Deformation joints are formed at the joints of the main components of the spanning building. The deformation joints are three-dimensional structures, including vertical deformation joints and horizontal deformation joints. The vertical deformation joints are hidden at the bottom of the main components of the high-span building and connected to the top of the main components of the low-span building. , the horizontal deformation joint is hidden in the bottom surface of the main component of the high-span building and connected with the side of the main component of the low-span building; it forms a hidden three-dimensional structure hidden between the height difference between the main component of the high-span building and the main component of the low-span building. seam.

One of the purposes of the present invention can also be achieved by taking the following technical solutions:

Further, the width of the horizontal deformation joint can be determined by the structural calculation requirements of the main components of the high-span building and the main component of the low-span building, and the width of the vertical deformation joint is 50-100% of the width of the horizontal deformation joint.

Two of the purpose of the present invention can be achieved by taking the following technical solutions:

A waterproof structure of hidden high and low span deformation joints, including a hidden three-dimensional structure high and low span deformation joints hidden between the height difference between the main components of a high-span building and the main components of a low-span building. Its structural features are: the hidden three-dimensional structure High and low span deformation joints include vertical deformation joints and horizontal deformation joints. The vertical deformation joints are hidden on the bottom of the main components of the high-span building and connected to the top of the main components of the low-span building. The horizontal deformation joints are hidden on the bottom of the main components of the high-span building and connected to the low-span The side connection of the main component of the span building; the intercepting ditch is set at the main component of the low-span building close to the vertical deformation joint, the elastic seal is provided in the vertical deformation joint, and the aluminum alloy water retaining plate is hung on the outside of the vertical deformation joint and sealed with Glue to seal.

Two of the purpose of the present invention can also be achieved by taking the following technical solutions:

Further, the lower end of the horizontal deformation joint can be fixedly connected with a stainless steel intercepting groove to ensure the waterproof performance of the horizontal deformation joint; use the roof decoration surface of the platform system or the decorative surface after backfilling to connect the anti-water baffle of the deformation joint and the intercepting ditch hide.

Furthermore, the elastic seal can be fixed in the vertical deformation joint, and a stainless steel intercepting groove is fixedly connected to the inner side of the main component of the low-span building and below the horizontal deformation joint, and an aluminum alloy water retaining plate is arranged outside the vertical deformation joint. The alloy water retaining plate is fixedly connected to the main component of the high-span building; the intercepting ditch is set on the main component of the low-span building close to the vertical deformation joint. The roof rainwater of the span building and the exterior wall rainwater of the high-span building.

Furthermore, a sulfide sealant can be used to seal the fixed joint between the aluminum alloy water retaining plate and the main component of the high-span building, and the aluminum alloy water retaining plate extends vertically into the intercepting ditch to completely cover the vertical deformation joint; The alloy water retaining plate is not fixed to the main components of the low-span building.

Further, an elastic sealing strip can be installed in the vertical deformation seam and bonded with epoxy resin to ensure the deformation performance of the horizontal deformation seam and guarantee the waterproof performance.

Furthermore, the stainless steel cut-off groove can be set in the interior of the main component of the low-span building, and fixedly installed under the horizontal deformation joint to form a third waterproof structure.

Furthermore, the main components of a high-span building are higher than the main components of a low-span building, and the height difference can be determined by the thickness of the decorative surface.

The present invention has the following outstanding beneficial effects:

1. Through overall consideration in the architectural design process, the present invention staggers the elevation of the main components of the high-span building and the main components of the low-span building, hides the deformation joint between the height difference of the two parts, and approaches The intercepting ditch is set at the joint to form a three-dimensional expansion joint structure, which has the characteristics of smooth building ground, good landscape and good use effect. Because the metal cover plate is omitted, there is no need to connect accessories in high-span buildings, so it has the advantages of fixed Simple structure, safe and reliable, good leak-proof performance.

2. The present invention hides the deformation joints at the junction of high and low span buildings by using the height difference of the components at the junction of high and low span buildings on the side of the high-span building, and uses the decorative surface to completely hide the deformation joints. At the same time, the triple waterproof structure ensures the deformation joints The waterproof performance of the deformation joint, and the hidden deformation joint is connected with the deformation joint of the wall through the turning design. Therefore, it not only ensures the integrity of the building appearance, but also helps to improve the space quality of the roof garden, and improves the waterproof of the roof of the building. ability.

Description of drawings

Figure 1. Schematic diagram of the hidden high and low span deformation joint and its waterproof structure.

Fig. 2 Three-dimensional schematic diagram of hidden high-low span deformation joint and its waterproof structure.

Detailed ways

Specific embodiment 1:

Referring to Fig. 1 and Fig. 2, the waterproof structure of the hidden high and low span deformation joints involved in this embodiment includes the hidden three-dimensional structure high and low span deformation hidden between the height difference between the high-span building main component 2 and the low-span building main component 1 The high and low span deformation joints of the hidden three-dimensional structure include vertical deformation joints 5 and horizontal deformation joints 4. The vertical deformation joints 5 are hidden on the bottom surface of the high-span building main component 2 and are connected to the top of the low-span building main component 1. The horizontal deformation Seam 4 is hidden in the bottom surface of high-span building main component 2 and connected with the side of low-span building main component 1; water intercepting ditch 3 is set near vertical deformation joint 5 in low-span building main component, and vertical deformation joint 5 is provided with The elastic sealing strip 6 is hung with an aluminum alloy water retaining plate 7 outside the vertical deformation joint 5 and sealed with a sealant, and the upper cover is connected with the waterproof coiled material of the main body waterproof system.

Further, in this embodiment:

The lower end of the horizontal deformation joint 4 is fixedly connected to the stainless steel intercepting groove 8 to ensure the waterproof performance of the horizontal deformation joint 4; the anti-water baffle of the deformation joint and the intercepting water are connected by using the roof decorative surface 9 of the platform system or as a decorative surface after backfilling. ditch hidden.

The elastic sealing strip 6 is fixedly connected in the vertical deformation joint 5, and the stainless steel intercepting groove 8 is fixedly connected to the inner side of the main component 1 of the low-span building and below the horizontal deformation joint 4, and an aluminum alloy water retaining plate 7 is arranged on the outer side of the vertical deformation joint 5 , the aluminum alloy water retaining plate 7 is fixedly connected to the main component 2 of the high-span building; the intercepting ditch 3 is set on the main component 1 of the low-span building close to the vertical deformation joint 5, and the intercepting ditch 3 constitutes a hidden three-dimensional structure A part of the span deformation joint is used to intercept the roof rainwater of low-span buildings and the external wall rainwater of high-span buildings.

The aluminum alloy water retaining plate 7 and the high-span building main component 2 are sealed with a sulfide sealant, and the aluminum alloy water retaining plate 7 extends vertically into the intercepting ditch 3 to completely cover the vertical deformation joint 5; The aluminum alloy water retaining plate 7 is not fixedly connected with the main component 1 of the low-span building.

Elastic sealing strips are installed in the vertical deformation joint 5 and bonded with epoxy resin to ensure the deformation performance of the horizontal deformation joint and guarantee the waterproof performance.

The stainless steel cut-off groove 8 is arranged in the interior of the main component 1 of the low-span building, and is fixedly installed below the horizontal deformation joint to form a third waterproof structure.

The main component 2 of the high-span building is higher than the main component 1 of the low-span building, and the height difference is determined by the thickness of the decorative surface.

The hidden high and low span deformation joints involved in this embodiment include a high-span building main component 2 and a low-span building main component 1. The elevations of the high-span building main component 2 and the low-span building main component 1 are staggered. The connection between the component 2 and the main component 1 of the low-span building forms a deformation joint. The deformation joint is a three-dimensional structure, including a vertical deformation joint 5 and a horizontal deformation joint 4. The vertical deformation joint 5 is hidden on the bottom surface of the high-span building main component 2 and Connected to the top of the main component 1 of the low-span building, the horizontal deformation joint 4 is hidden on the bottom of the main component 2 of the high-span building and connected to the side of the main component 1 of the low-span building; The hidden three-dimensional structure between the height difference of the main body component 1 spans deformation joints.

Further, the width of the horizontal deformation joint 4 is determined by the structural calculation requirements of the high-span building main component 2 and the low-span building main component 1, for example: the width of the horizontal deformation joint 4 can be the high-span building main component 2 and the low-span building main body The connection of component 1 is 5%-20% of the width of the main body of the low-span building or 10%-20% of the thickness of the main body of the high-span building; the width of the vertical deformation joint 5 is 50-100% of the width of the horizontal deformation joint 4.

The intercepting ditch 3 is also set near the seam of the low-span building, as for intercepting the rainwater on the roof of the low-span building and the rainwater on the outer wall of the high-span building.

In the indoor part of the main component 1 of the low-span building, a stainless steel cut-off tank along the entire length of the deformation joint is fixedly installed below the horizontal deformation joint, and the water in the tank is drained away in an organized manner. The third guarantee is the waterproof performance of the joint.

The intercepting ditch 3 can collect and drain the rainwater flowing down the curtain wall of the high-span building, and also play the role of intercepting rainwater on the roof of the low-span building. The waterproof coiled material of the roof of the low-span building has been laid in the intercepting ditch 3 and rolled up into the vertical deformation joint 5.

Finally, use the roof decorative surface 9 of the platform system or backfill it as a decorative surface to hide the anti-water baffle and intercepting ditch 3 of the deformation joint, so that the deformation joint can be perfectly combined with the main body of the building and completely hidden under the finished surface. Wherein the side wall of the intercepting ditch 3 can be used as a support in the platform system. The panel of the water intercepting ditch 3 can be integrated with other decorative panels of the roof, and the water intercepting ditch 3 can also be perfectly hidden.

Other specific examples:

The features of other embodiments of the present invention are: the width of the horizontal deformation joint 4 can be determined according to the building structure at the junction of the high-span building main component 2 and the low-span building main component 1, and can be 5% or 10% of the low-span building main body width. %, 15%, 20%, 25% or 30%, or 10%, 15%, 20%, 25%, 30% or 35% of the thickness of the main body of the high-span building; the width of the vertical deformation joint 5 is the horizontal deformation joint 4 50-100% of the width. All the other are with specific embodiment 1.

The present invention is applicable to the deformation joints between all high and low span buildings, which can be the deformation joints between the podium and the tower, or the deformation joints between the high and low spans of podium buildings of different heights or between different roof panel elevations of buildings of the same height. Deformation seam between.

Claims (9)

1. A hidden high-span deformation joint, high-span building main component (2) and low-span building main component (1), characterized in that: high-span building main component (2) and low-span building main component (1) The height of the elevation is staggered, and a deformation joint is formed at the connection between the main component of the high-span building (2) and the main component of the low-span building (1). The deformation joint is a three-dimensional structure, including the vertical deformation joint (5) and the horizontal deformation joint ( 4), the vertical deformation joint (5) is hidden on the bottom of the main component of the high-span building (2) and connected to the top of the main component of the low-span building (1), and the horizontal deformation joint (4) is hidden in the main component of the high-span building (2) ) and connected to the side of the main component of the low-span building (1); forming a hidden three-dimensional structural high-low-span deformation joint hidden between the height difference between the main component of the high-span building (2) and the main component of the low-span building (1) . 2. A concealed high-span deformation joint according to claim 1, characterized in that: the width of the horizontal deformation joint (4) is determined by the structure of the high-span building main component (2) and the low-span building main component (1) Calculation requirements determine that the width of the vertical deformation joint (5) is 50-100% of the width of the horizontal deformation joint (4). 3. A waterproof structure of hidden high-span deformation joints, including hidden three-dimensional structure high-low-span deformation joints hidden between the height difference between the high-span building main component (2) and the low-span building main component (1), its characteristics The reason is that the hidden three-dimensional structure high and low span deformation joints include vertical deformation joints (5) and horizontal deformation joints (4), and the vertical deformation joints (5) are hidden on the bottom surface of the high-span building main component (2) The top of the component (1) is connected, and the horizontal deformation joint (4) is hidden on the bottom surface of the main component (2) of the high-span building and connected to the side of the main component (1) of the low-span building; the vertical deformation joint is close to the main component of the low-span building Set water intercepting ditch (3) at (5), provide elastic seal (6) in vertical deformation joint (5), and hang aluminum alloy water retaining plate (7) on the outside of vertical deformation joint (5) and seal it with Glue to seal. 4. A waterproof structure for concealed high and low span deformation joints according to claim 3, characterized in that: the lower end of the horizontal deformation joint (4) is fixedly connected with a stainless steel intercepting groove (8) to ensure that the horizontal deformation joint (4) ) waterproof performance; use the roof decorative surface (9) of the platform system or the decorative surface after backfilling to hide the anti-water baffle and intercepting ditch of the deformation joint. 5. The waterproof structure of a concealed high-span deformation joint according to claim 3 or 4, characterized in that: the elastic seal (6) is fixed in the vertical deformation joint (5), and the main component of the low-span building ( 1) The inner side and the lower part of the horizontal deformation joint (4) are fixedly connected with a stainless steel cut-off groove (8), and the outer side of the vertical deformation joint (5) is provided with an aluminum alloy water retaining plate (7). The aluminum alloy water retaining plate (7) ) is fixedly connected to the main component (2) of the high-span building; the intercepting ditch (3) is set on the main component (1) of the low-span building near the vertical deformation joint (5), and the intercepting ditch (3) constitutes a hidden A part of the high-span and low-span deformation joints of the three-dimensional structure is used to intercept the rainwater on the roof of the low-span building and the external wall of the high-span building. 6. A waterproof structure for concealed high-span deformation joints according to claim 5, characterized in that: sulfide is used at the fixing part of the aluminum alloy water retaining plate (7) and the main component (2) of the high-span building Sealant sealing, the aluminum alloy water retaining plate (7) extends vertically into the intercepting ditch (3) to completely cover the vertical deformation joints (5); the aluminum alloy water retaining plate (7) is not in contact with the main component (1) Fixed connection. 7. A waterproof structure for concealed high and low span deformation joints according to claim 5, characterized in that an elastic seal is installed in the vertical deformation joint (5) and bonded with epoxy resin to ensure the protection of the horizontal deformation joint. Deformation performance, guarantee waterproof performance. 8. A waterproof structure for concealed high and low span deformation joints according to claim 5, characterized in that: the stainless steel intercepting groove (8) is set in the interior of the main component (1) of the low span building, and is fixedly installed in the horizontal deformation joint The lower part constitutes the third waterproof structure. 9. The waterproof structure of a concealed high-span deformation joint according to claim 5, characterized in that: the main component (2) of the high-span building is higher than the main component (1) of the low-span building, and the height difference is determined by the decorative surface depends on the thickness.

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