CN204492022U - The waterproof construction of parapet high-low bay deformation joint - Google Patents

Abstract

The utility model provides a waterproof structure for high and low span deformation joints of a parapet wall, comprising a waterproof structure of a low-span parapet wall and a waterproof structure of a high-span outer wall; the waterproof structure of the low-span parapet wall includes Leveling layer, interface agent coating, waterproof coating, heat insulation coating and overcoat coating outside the wall masonry; foam rods are embedded in the deformation joints, and the highest plane of the foam rods is lower than that of the low-span parapet wall Topping plane; waterproof coiled material is arranged on the high-span exterior wall, the surface of the foam rod in the deformation joint and the top of the low-span parapet wall; aluminum plate flashing is arranged outside the waterproof coiled material. The waterproof structure of the high and low span deformation joints of the parapet wall provided by the utility model has better waterproof performance, avoids cracking and leakage of the deformation joints, prolongs the service life of the roof waterproofing project, and has a simple structure, easy construction, convenient repair and maintenance, and is practical Strong.

Description

Waterproof structure of high and low span deformation joints of parapet wall

technical field

The utility model relates to the technical field of civil engineering, in particular to a waterproof structure for high and low span deformation joints of a parapet wall.

Background technique

Deformation joints are the parts where the deformation of the roof is concentrated. The temperature difference deformation and the reasonable settlement deformation of the building will make the width of the deformation joints constantly change. Therefore, no matter what waterproof material is used for the roof, the structure of the deformation joints is consistent with the fortification, that is, multiple fortifications are required. , and when the width of the seam changes, it will not cause damage to the waterproof layer. There are two types of deformation joints: high and low deformation joints and contour deformation joints. Contour deformation joints are further divided into elevation deformation joints above the roof, deformation joints flush with the roof, and double gutter deformation joints.

In industrial and civil buildings, affected by factors such as temperature, foundation, and earthquakes, buildings must use vertically divided gaps, namely deformation joints, to ensure their integrity. Deformation joints improve the damage of deformation to buildings, but at the same time, they also bring certain difficulties to the waterproof and leakproof of building roofs. At the junction of the above-mentioned gaps, it is necessary to consider not only waterproofing, but also roofing materials that will not be hindered or damaged when the building is displaced or deformed, so as to ensure the stability of the waterproof structure itself.

Leakage of roof parapet high and low span waterproof deformation joints is one of the most prominent quality common problems in house construction for many years. It seriously affects the use function of the building and the overall quality of the project. It has become an important aspect to improve the quality of roof waterproofing projects to control the leakage of high and low span waterproof deformation joints of roof parapet walls, and it is of great significance to prolong the service life of roof waterproofing projects.

Utility model content

The technical problem solved by the utility model is to provide a waterproof structure for the high and low span deformation joints of the parapet wall. The waterproof structure provided by the utility model is not easy to crack and leak, has good waterproof performance, and prolongs the service life of the roof waterproof project.

The utility model provides a waterproof structure for high and low span deformation joints of a parapet wall, including a waterproof structure for a low-span parapet wall and a waterproof structure for a high-span outer wall;

The waterproof structure of the low-span parapet wall includes a leveling layer, an interface agent coating, a waterproof coating, a heat-insulating coating and an overcoat that are arranged outside the masonry of the low-span parapet wall in sequence;

A foam rod is embedded in the deformation joint, and the highest plane of the foam rod is lower than the top plane of the low-span parapet wall;

Waterproof rolls are arranged on the high-span exterior wall, the surface of the foam rod in the deformation joint, and the top of the low-span parapet wall;

An aluminum plate flashing is arranged outside the waterproof membrane.

Preferably, the waterproof coiled material overhangs the low-span parapet wall by 200mm-300mm.

Preferably, the waterproof coating at the inner corner of the low-span parapet wall includes a first waterproof coating, a second waterproof coating and an additional layer arranged between the first waterproof coating and the second waterproof coating;

The additional layer is glass fiber mesh cloth, polyester non-woven fabric, nylon mesh cloth or steel wire mesh cloth.

Preferably, the width of the additional layer is 200mm-300mm.

Preferably, the length of the waterproof coiled material sinking into the deformation seam is 50 mm to 100 mm.

Preferably, the thickness of the leveling layer is 10mm-20mm.

Preferably, the thickness of the interface agent coating is 0.01mm-0.1mm.

Preferably, the waterproof coating has a thickness of 1 mm to 3 mm.

Preferably, the thickness of the thermal insulation coating is 0.08mm-0.80mm.

Preferably, the finish coating is obtained by applying a finish paint;

The coating amount of the overcoat paint is 15m ² /kg-20m ² /kg.

The utility model provides a waterproof structure for high and low span deformation joints of a parapet wall, comprising a waterproof structure of a low-span parapet wall and a waterproof structure of a high-span outer wall; the waterproof structure of the low-span parapet wall includes Leveling layer, interface agent coating, waterproof coating, heat insulation coating and overcoat coating outside the wall masonry; foam rods are embedded in the deformation joints, and the highest plane of the foam rods is lower than that of the low-span parapet wall Topping plane; waterproof coiled material is arranged on the high-span exterior wall, the surface of the foam rod in the deformation joint and the top of the low-span parapet wall; aluminum plate flashing is arranged outside the waterproof coiled material. The waterproof structure of the high and low span deformation joints of the parapet wall provided by the utility model has better waterproof performance, avoids cracking and leakage of the deformation joints, prolongs the service life of the roof waterproofing project, and has a simple structure, easy construction, convenient repair and maintenance, and is practical Strong. The waterproof structure provided by the utility model also has good weather resistance, stain resistance and anti-aging performance.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description It is only an embodiment of the utility model, and those skilled in the art can also obtain other drawings according to the provided drawings without creative work.

Fig. 1 is a structural schematic diagram of the waterproof structure of the high and low span deformation joints of the parapet wall provided by the embodiment of the utility model.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

The utility model provides a waterproof structure for high and low span deformation joints of a parapet wall, including a waterproof structure for a low-span parapet wall and a waterproof structure for a high-span outer wall;

The waterproof structure of the low-span parapet wall includes a leveling layer, an interface agent coating, a waterproof coating, a heat-insulating coating and an overcoat that are arranged outside the masonry of the low-span parapet wall in sequence;

A foam rod is embedded in the deformation joint, and the highest plane of the foam rod is lower than the top plane of the low-span parapet wall;

Waterproof rolls are arranged on the high-span exterior wall, the surface of the foam rod in the deformation joint, and the top of the low-span parapet wall;

An aluminum plate flashing is arranged outside the waterproof membrane.

The waterproof structure of the high and low span deformation joints of the parapet wall provided by the utility model has better waterproof performance, avoids cracking and leakage of the deformation joints, prolongs the service life of the roof waterproofing project, and has a simple structure, easy construction, convenient repair and maintenance, and is practical Strong. The waterproof structure provided by the utility model also has good weather resistance, stain resistance and anti-aging performance.

Referring to Fig. 1, Fig. 1 is a structural schematic diagram of the waterproof structure of the high and low span deformation joints of the parapet wall provided by the embodiment of the utility model. , a deformation joint is formed between the high-span exterior wall and the low-span parapet wall. In addition to the two walls opposite to the deformation joint, the low-span parapet wall masonry is provided with leveling layer, interface agent coating, waterproof coating, Thermal insulation coating and overcoat coating; foam rods are embedded in the deformation joints, and the walls are densely packed, and waterproof membranes are installed on the high-span exterior walls, foam rod surfaces and low-span parapet pressure tops, and the waterproof membranes are flooded The low-span parapet wall is pressed against the top; there is an aluminum plate flashing outside the waterproof membrane and suspended from the waterproof membrane. An additional layer is sandwiched in the waterproof coating at the inside corners of the low-span parapet.

The utility model has no special limitation on the masonry method of the low-span parapet wall, which can be a masonry parapet wall, a concrete pouring parapet wall, or a steel structure parapet wall. In an embodiment of the present utility model, the low-span parapet is specifically MU10 brick wall M5 cement mortar masonry.

The waterproof structure of the high and low span deformation joints of the parapet wall provided by the utility model includes the waterproof structure of the low-span parapet wall and the waterproof structure of the high-span external wall. Specifically, the surface of the low-span parapet masonry external wall is sequentially provided with a leveling layer, Interface agent coating, waterproof coating, thermal barrier coating and finish coating. In an embodiment of the present utility model, the thickness of the leveling layer may be 10 mm to 20 mm. In other embodiments of the present invention, the thickness of the leveling layer may be 12 mm to 18 mm; the thickness of the leveling layer may be Specifically, it is 10mm, 12mm, 14mm, 15mm, 16mm, 18mm or 20mm. In the embodiments of the present utility model, concretely use waterproof grout or waterproof mortar for leveling; the utility model has no special restrictions on the type and source of the waterproof mortar and cement mortar, and uses well-known methods for slope leveling by those skilled in the art. of slurry. In the embodiment of the present utility model, when ordinary cement mortar is used for slope finding and leveling, the cement mortar includes cement and sand with a mass ratio of 1:(2.5-3). In an embodiment of the present invention, the waterproof mortar or cement slurry can also be mixed with anti-crack fiber, inorganic salt waterproofing agent, expansion agent, water reducing agent, osmotic crystallization agent, compacting agent and water-based polymer resin emulsion One or more of them, and level the obtained modified waterproof mortar or modified waterproof grout to obtain a leveling layer.

Specifically, in this utility model, the inner wall of the low-span parapet wall is leveled with waterproof grout or waterproof mortar for 10mm-20mm; the top of the low-span parapet wall is made of waterproof mortar, and the thickness of the waterproof mortar is 20mm. The low-span parapet wall waterproof mortar is provided with interface agent coating, waterproof coating, heat insulation coating and overcoat in sequence, and the interface agent coating and waterproof coating set outside the leveling layer of the inner wall surface of the low-span parapet wall , Insulation coating and finish coating are the same.

The waterproof structure provided by the utility model for the high and low span deformation joints of parapet walls includes an interface agent coating. In the utility model, the setting of the interface agent coating solves the problem that the waterproof coating is easy to delaminate and fall off in the prior art, and at the same time prevents the alkaline substances in the waterproof mortar or grout from damaging the waterproof layer. In an embodiment of the present utility model, the thickness of the interface agent coating can be 0.01 mm to 0.1 mm; in other embodiments of the present utility model, the thickness of the interface agent coating can also be 0.03 mm to 0.08 mm. mm; specifically, the thickness of the interface agent coating can be specifically 0.01mm, 0.02mm, 0.3mm, 0.5mm, 0.6mm, 0.8mm or 0.1mm. Specifically, the interface treatment agent is applied outside the leveling layer to form an interface agent coating, and the number of times the interface treatment agent is applied can be 1 or 2 times; the construction environment temperature of the interface treatment agent is preferably Above 5°C. The utility model has no special limitation on the source of the interface treatment agent, and those skilled in the art can prepare it by themselves, and can also use well-known commercially available interface treatment agents. In the present utility model, the coating amount of the interface treatment agent is preferably 15m ² /kg～20m ² /kg; the coating amount of the interface treatment agent can be specifically 15m ² /kg, 16m ² /kg, 17m ² /kg, 18m ² /kg, 19m ² /kg or 20m ² /kg. In the present utility model, the interface treatment agent is preferably coated on a base surface with a moisture content ≤ 15%.

The waterproof structure of the high and low span deformation joints of the parapet wall provided by the utility model includes a waterproof coating arranged outside the interface agent coating. In an embodiment of the present utility model, the thickness of the waterproof coating is preferably 1 mm to 3 mm, more preferably 2 mm. In the specific implementation process of the embodiment of the utility model, preferably after the interface treatment agent dries, 1 to 2 coats of waterproof paint are scraped on the formed interface agent coating to form a waterproof coating outside the interface agent coating. In the embodiment of the utility model, each squeegee coating is smooth and uniform in thickness; the squeegee coating of the waterproof coating should be carried out in fine weather to avoid cracks during the drying process. In the present utility model, the waterproof coating is formed by painting with waterproof paint. The utility model has no special restrictions on the type and source of the waterproof paint, and the waterproof paint well known to those skilled in the art can be used; in this utility model In a novel embodiment, the waterproof coating may specifically be an acrylic polymer waterproof coating.

The waterproof structure provided by the utility model for the high and low span deformation joints of the parapet includes a heat-insulating coating arranged outside the waterproof coating. In the utility model, the heat-insulating coating is formed by painting heat-insulating paint on the outside of the waterproof coating. In the present utility model, the thickness of the heat insulating coating is preferably 0.08 mm to 0.80 mm, more preferably 0.10 mm to 0.20 mm; in an embodiment of the present utility model, the thickness of the heat insulating coating can be specifically 0.08mm, 0.10mm, 0.20mm, 0.30mm, 0.40mm, 0.50mm, 0.60mm, 0.70mm or 0.80mm. In the present invention, the coating of the heat-shielding coating can be completed once or multiple times, as long as the thickness of the heat-shielding coating is reached. The utility model has no special restrictions on the type of the heat-insulating coating, and the architectural reflective heat-insulating coating that meets the requirements of the national standard JG/T235-2008 can be used.

The utility model provides a waterproof structure for high and low span deformation joints of a parapet wall, which includes an overcoat coating arranged outside the heat insulation coating. In the present utility model, the finish layer is obtained by brushing the finish paint on the heat-insulating coating, preferably after the heat-insulating paint is dried, the finish paint is brushed on the formed heat-shielding coating , to get the overlay. In the utility model, the setting of the overcoat coating improves the weather resistance and stain resistance of the waterproof structure of the high and low span deformation joints of the parapet, and can also improve the self-cleaning function and anti-ultraviolet radiation of the waterproof structure of the high and low span deformation joints of the parapet Function. In an embodiment of the present utility model, the finish paint may specifically be water-based resin paint or nano paint, and the color of the finish paint may specifically be colorless or white. The utility model has no special limitation on the type and source of the finish paint, and those skilled in the art can prepare by themselves or use commercially available finish paint. In the present utility model, the coating amount of the finish paint is preferably 15m ² /kg to 20m ² /kg ^{; 2} /kg, 17m ² /kg, 18m ² /kg, 19m ² /kg or 20m ² /kg.

In an embodiment of the present invention, foam rods are embedded in the deformation joints, the foam rods are embedded in the deformation joints, and the highest plane of the foam rods is lower than the top plane of the low-span parapet wall. The utility model has no special limitation on the material of the foam rod, for example, a polyethylene foam rod can be specifically used in the embodiment. Taking the top plane of the low-span parapet wall as the horizontal zero point, the depth of the foam rod embedded in the deformation joint can be 1 mm to 10 mm, and can also be 3 mm to 8 mm; in an embodiment, the depth of the foam rod embedded in the deformation joint can be seen from Specifically 1mm, 3mm, 5mm, 8mm or 10mm

In the utility model, waterproof rolls are arranged on the high-span outer wall, the surface of the foam rod in the deformation joint, and the top of the low-span parapet wall. In an embodiment, the length of the waterproof membrane trapped in the deformation seam may be 50mm-100mm, or 60mm-90mm, or 70mm-80mm. Specifically, in the embodiment of the present utility model, the waterproof coiled material is laid on the high-span exterior wall and the low-span parapet roof, and the waterproof coiled material is reserved for 50mm to 100mm in the deformation joint without sticking. The utility model has no special restrictions on the type and source of the waterproof coiled material. The waterproof coiled material well known to those skilled in the art can be used. For example, a commercially available waterproof coiled material with good weather resistance can be used, specifically EDPM , PVC or rubber blended waterproof membrane.

In an embodiment of the present invention, the waterproof coiled material is 200mm-300mm above the low-span parapet wall, and may also be 220mm-280mm, or 250mm-260mm.

In an embodiment of the present utility model, the height of the waterproof coiled material on the high-span outer wall may be 100mm-300mm, or 150mm-250mm, or 150mm-250mm, or 180mm-220mm; in an embodiment, the height of the waterproof coiled material on the high-span exterior wall may be specifically 100mm, 120mm, 150mm, 160mm, 180mm, 200mm, 220mm, 250mm, 260mm, 280mm or 300mm.

In the utility model, the waterproof coiled material is provided with an aluminum plate flashing, specifically, the aluminum plate flashing is arranged on the high-span outer wall, and the aluminum plate flashing crosses the deformation joint and the top of the low-span parapet wall , thus forming a three-layer waterproof structure with foam rods and waterproof membranes. In an embodiment of the present utility model, the thickness of the flashing on the aluminum plate may specifically be 1 mm. The utility model has no special restrictions on the arrangement of the aluminum plate flashing on the high-span outer wall. For example, stainless steel nails can be used to fix one end of the aluminum plate flashing to the high-span flashing, and sealing paste is used to seal the gap.

In the present utility model, the waterproof coating at the inner corner of the low-span parapet wall preferably includes a first waterproof coating, a second waterproof coating and a waterproof coating arranged between the first waterproof coating and the second waterproof coating. An additional layer, the additional layer is preferably glass fiber mesh, polyester non-woven fabric, nylon mesh or steel wire mesh. In an embodiment of the present invention, the width of the additional layer is preferably 200mm-500mm, most preferably 300mm-400mm. In an embodiment of the present utility model, the thickness of the first waterproof coating can be specifically 0.5 mm to 2 mm, more specifically 1 mm; the thickness of the second waterproof coating can be specifically 0.5 mm to 3 mm, more specifically 1mm.

In the embodiment of the present utility model, the range of setting the additional layer at the inner corner is within the range of 200mm-300mm from the intersection of the roof and the low-span parapet wall, and can also be within 220mm-280mm, or within 250mm.

Specifically, in the construction process of the embodiment of the present utility model, after the first pass of waterproof coating is scraped, the glass fiber mesh cloth is folded in half and laid along the inner corner of the vertical wall, and after the first pass of waterproof coating is formed, then Scratch the second coat of waterproof paint, so that the glass fiber mesh becomes the carcass of the waterproof coating. In the utility model, the setting of the additional layer can prevent the cracking of the waterproof coating caused by stress damage, and polyester non-woven fabric or nylon mesh cloth, steel wire mesh cloth can be used as tire instead of glass fiber mesh cloth. Additional layers of body.

The implementation form of a light roof system described above will make appropriate adjustments to the structure of the included leveling layer, interface agent coating, waterproof coating, heat insulation coating and finish coating according to the specific conditions of the project, such as Removing the finish paint or the interface agent coating alone will not change the function of the light roof system, and it is still applicable to this patent method.

The utility model provides a waterproof structure for high and low span deformation joints of a parapet wall, comprising a waterproof structure of a low-span parapet wall and a waterproof structure of a high-span outer wall; the waterproof structure of the low-span parapet wall includes Leveling layer, interface agent coating, waterproof coating, heat insulation coating and overcoat coating outside the wall masonry; foam rods are embedded in the deformation joints, and the highest plane of the foam rods is lower than that of the low-span parapet wall Topping plane; waterproof coiled material is arranged on the high-span exterior wall, the surface of the foam rod in the deformation joint and the top of the low-span parapet wall; aluminum plate flashing is arranged outside the waterproof coiled material. The waterproof structure of the high and low span deformation joints of the parapet wall provided by the utility model has better waterproof performance, avoids cracking and leakage of the deformation joints, prolongs the service life of the roof waterproofing project, and has a simple structure, easy construction, convenient repair and maintenance, and is practical Strong. The waterproof structure provided by the utility model also has good weather resistance, stain resistance and anti-aging performance.

The above is only a preferred embodiment of the utility model, it should be pointed out that for those of ordinary skill in the art, without departing from the principle of the utility model, some improvements and modifications can also be made, these improvements and Retouching should also be regarded as the scope of protection of the present utility model.

Claims (10)

1. a water proof structure for parapet high-low bay deformation joint, comprises the low water proof structure across parapet and the high water proof structure across exterior wall;

The described low water proof structure across parapet comprise be successively set on low across the leveling layer outside parapet masonry, interface agent coating, waterproof coating, heat insulating coat and overlay coating;

Be embedded with foam rods in deformation joint, the highest plane of described foam rods is lower than the low plane of bearing down on one across parapet;

At described height across the foam rods surface on exterior wall, in described deformation joint be lowly provided with waterproof roll across on the bearing down on one of parapet;

Aluminium sheet flashing is outside equipped with at waterproof roll.

2. the water proof structure of parapet high-low bay deformation joint according to claim 1, is characterized in that, described waterproof roll is general too lowly to bear down on one 200mm ~ 300mm across parapet.

3. the water proof structure of parapet high-low bay deformation joint according to claim 1, it is characterized in that, the extra play that the described low waterproof coating across parapet inner corner trim place comprises the first waterproof coating, the second waterproof coating and is arranged between described first waterproof coating and the second waterproof coating;

Described extra play is fiberglass gridding cloth, polyester non-woven fabric, nylon grid cloth or steel wire grid cloth.

4. the water proof structure of parapet high-low bay deformation joint according to claim 3, is characterized in that, the width of described extra play is 200mm ~ 300mm.

5. the water proof structure of parapet high-low bay deformation joint according to claim 1, is characterized in that, the described waterproof roll length be absorbed in deformation joint is 50mm ~ 100mm.

6. the water proof structure of the parapet high-low bay deformation joint according to Claims 1 to 5 any one, is characterized in that, the thickness of described leveling layer is 10mm ~ 20mm.

7. the water proof structure of the parapet high-low bay deformation joint according to Claims 1 to 5 any one, is characterized in that, the thickness of described interface agent coating is 0.01mm ~ 0.1mm.

8. the water proof structure of the parapet high-low bay deformation joint according to Claims 1 to 5 any one, is characterized in that, the thickness of described waterproof coating is 1mm ~ 3mm.

9. the water proof structure of the parapet high-low bay deformation joint according to Claims 1 to 5 any one, is characterized in that, the thickness of described heat insulating coat is 0.08mm ~ 0.80mm.

10. the water proof structure of the parapet high-low bay deformation joint according to Claims 1 to 5 any one, is characterized in that, described overlay coating is applied by overlay coating and obtains;

The coating weight of described overlay coating is 15m ²/ kg ~ 20m ²/ kg.