CN203475710U - Bed joint type detachable roof deformation joint - Google Patents

Abstract

The utility model discloses a bed joint type detachable roof deformation joint, and belongs to the technical field of buildings. The bed joint type detachable roof deformation joint is characterized in that round steel is embedded in reinforced concrete structural beams on the two sides of the deformation joint in advance, angle iron is arranged on the reinforced concrete structural beams, concrete blocking ridges are arranged outside the angle iron, additional waterproof layers are arranged on the angle iron, a detachable rubber water stop is arranged between the two pieces of angle iron above the deformation joint, a steel plate pressing strip is arranged on the detachable rubber water stop, the steel plate pressing strip, the detachable rubber water stop and the angle iron are fastened and connected in a screwed mode through nuts and threads at one end of the round steel, a roof heat preservation layer, a leveling layer and roof rigidity protective layers are arranged on the roof waterproof layer, a deformation joint heat preservation layer is arranged between the two pieces of the angle iron, a cover plate is arranged between the roof rigidity protective layers, gaps are formed between the cover plate and the roof rigidity protective layers, flexible plate strips are arranged in the gaps, and sealants are fully embedded into the upper portions of the flexible plate strips. The bed joint type detachable roof deformation joint is high in strength, good in abrasion resistance and convenient to maintain, the requirements of various joints such as seismic joints, expansion joints and settlement joints for settings are met.

Description

A flat seam type, detachable roof deformation seam

technical field

The utility model relates to a deformation joint, in particular to a flat seam type and detachable roof deformation joint, which belongs to the technical field of construction.

Background technique

According to the requirements of architectural design codes, reinforced concrete structures need to set deformation joints every 50 meters or so. Among them, the roof deformation joints need to meet the roof waterproof requirements while meeting the deformation requirements of the main structure. The general method of roof deformation joint construction is to build 400-600mm high vertical walls with bricks or concrete on both sides of the deformation joints, the roof waterproof layer is turned over along the vertical walls for flooding treatment, and metal or concrete cover joints are set across the upper vertical walls. The roof of the building is divided into several relatively independent units due to the existence of vertical walls with deformation joints, and the roof drainage system needs to be set relatively independently according to the divided roof units.

The roofs of many large buildings today are often used as spaces with specific functions, such as parking lots, stadiums, etc. The general roof deformation joint structure with high vertical walls can no longer meet the actual use and aesthetic requirements. This type of roof usually has a 60-100mm thick reinforced concrete rigid protective layer and a flexible waterproof layer formed by waterproof membrane or waterproof film, and the deformation joint is the weakest link of roof waterproofing. In case of damage to deformation joints or water leakage, it may be necessary to destroy a large piece of rigid protective layer. The maintenance cost is high, the construction period is long, and the construction is very difficult. How to make this kind of roof deformation joints that require overall use of the roof smooth and beautiful, firm and durable, superior in waterproof, easy to construct, and convenient to maintain is an important problem to be solved urgently.

Utility model content

The purpose of this utility model is to provide a flat seam type and detachable roof deformation joint for the above-mentioned deficiencies in the prior art. The utility model can meet the deformation requirements of the main structure of the building under the condition that the finished roof surface is flat and beautiful, and is firm and durable. , strengthen the waterproof structure treatment of deformation joints, and solve the problem that the waterproof structure of deformation joints is difficult to maintain.

The purpose of this utility model is achieved through the following technical solutions: a flat seam type, detachable roof deformation joint, characterized in that the reinforced concrete structural beams on both sides of the deformation joint are pre-buried at intervals of 300-500mm A round steel, one end of the round steel is bound and fixed to the steel bar in the reinforced concrete structural beam, and the other end is provided with threads and is higher than the surface of the reinforced concrete structural beam;

The reinforced concrete structural beams on both sides of the deformation joint are respectively equipped with angle steels. The inner sides of the two angle steels are opposite to each other. The fixing hole is connected to the angle steel by spot welding; the outer sides of the two angle steels are respectively provided with a right-angled trapezoidal concrete retaining sill, and the right-angled side of the concrete retaining sill is closely attached to the outer surface of the angle steel;

The two angle steels are provided with an additional waterproof layer made of waterproof coiled material, and the additional waterproof layer is laid across the deformation joint and pasted to both sides of the deformation joint, which is U-shaped in the deformation joint; The roof waterproof layer extends to the upper part of the concrete retaining sill respectively, and the additional waterproof layer and the roof waterproof layer have sufficient staggered lap width and are firmly pasted;

A detachable rubber waterstop is provided between the two angle steels above the deformation joint, and the detachable rubber waterstop is placed on the additional waterproof layer; the detachable rubber waterstop is provided with a length of 800-1500mm The steel plate bead, the steel plate bead is continuously set on both sides of the deformation joint, and there is a mounting hole corresponding to the end of the pre-embedded round steel with thread, the steel plate bead, the detachable rubber waterstop, the angle steel through the nut and the round steel One end of the threaded screw fastening connection;

The roof waterproof layer on both sides of the deformation joint is equipped with a roof insulation layer, a leveling layer, and a 60-100mm thick reinforced concrete roof rigid protective layer, and the roof rigid protective layer is poured above the concrete sill;

A deformation joint insulation layer is provided between the two angle steels above the deformation joint and on the detachable rubber waterstop, and a cover plate is provided between the roof rigid protective layers on both sides of the deformation joint, and the two ends of the cover plate are respectively placed on the concrete Above the retaining sill, there are 15-25mm wide gaps between the cover plate and the roof rigid protective layer on both sides of the deformation joint. There are flexible laths in the gaps, and the upper part of the flexible laths is fully embedded with sealant to the surface of the deformation joint.

A finished fire-stop belt is provided in the deformation seam.

The surface of the steel plate bead and the detachable rubber waterstop is fully coated with a waterproof coating.

The staggered overlap width between the additional waterproof layer and the roof waterproof layer is not less than 100mm.

The cover plate is made of fine stone concrete, and the grid joints are arranged along the length direction of the deformation joint. The distance between the grid joints is not more than 4 meters. The cover plate is equipped with two-way steel bars, and the lower lining of the cover plate is U-shaped steel plate.

In the utility model, the pre-embedded round steel can be replaced by expansion bolts, and the concrete retaining sill at the edge of the angle steel can be poured twice after the angle steel is fixed, and can also be poured once with the reinforced concrete structural beam.

In the utility model, the roof insulation layer is selected according to the building energy-saving design, and the U-shaped steel plate lined under the cover plate is brushed with anti-rust paint twice, and the flat steel bead is continuously arranged along the direction of the deformation joint. The diameter of the pre-embedded round steel is 8-12mm, and the threaded end of the round steel is about 50mm higher than the surface of the reinforced concrete beam, and the distance between two adjacent round steels is 300-500mm. The concrete sill is made of fine stone concrete, with a height of 50-80mm, a top width of 100-200mm, and a slope of 45°. The length of the steel plate layer is 800-1500mm, and the rigid protective layer is made of reinforced concrete with a thickness of 60-100mm. The additional waterproof layer and the roof waterproof layer are made of the same type of waterproof coiled material. The thickness of the additional waterproof layer material is based on the thickness of the roof waterproof layer material. One level thicker.

In the utility model, the reasonable width of the deformation joints is determined according to the design requirements, and the waterproof material materials across the joints are mainly flexible materials such as waterproof coiled materials, rubber waterstops, and waterproof coating films to meet the requirements of temperature deformation, settlement deformation, and seismic deformation of the main structure. need. The two 15-25mm (total 30-50mm) wide gaps between the rigid cover plate made of reinforced concrete and the roof rigid protective layer are caulked with flexible sealant, which can meet the needs of temperature deformation and settlement deformation. In extreme cases of large earthquakes, only local weak points of the rigid protective layer of the roof will be damaged, which will not affect the safety of the main body of the structure and meet the requirements for setting seismic joints.

Protruding concrete retaining sills are set on both sides of the deformation joint, which can not only fix the embedded angle steel, but also act as a water retaining sill for the waterproof structure between the deformation joint and the large roof, and can also be used as a shelving fulcrum for the deformation joint cover plate. The additional waterproof membrane laid across the seam and the detachable rubber waterstop are fixed by nuts and embedded parts (round steel). If the rubber waterstop is aged or damaged, it can be easily repaired and replaced without affecting the actual waterproof effect. The deformation joint cover plate and the roof rigid protective layer are made of the same reinforced concrete material, and the surface treatment is consistent. The deformation joint completion surface is smoothly docked with the overall roof. Deformation joint treatment, flexible drainage organization, sealant caulking between the cover joint plate and the roof rigid protective layer.

The utility model meets the setting requirements of various deformation joints such as seismic joints, expansion joints and settlement joints. The detachable water-stop structure is adopted, which is convenient for repair and maintenance. The main material is a product with a high degree of marketization. The material supply is sufficient, the construction is convenient, and the cost is low. The surface material of the deformation joint cover joint is the same as that of the roof, with high strength, good wear resistance, excellent fire resistance, and convenient maintenance, which can meet various functional requirements. The finished surface of the deformation joint is smooth and beautiful, and it is suitable for the treatment of various deformation joints parallel to and perpendicular to the roof drainage direction. The drainage organization is flexible, the adaptability is strong, and the use efficiency is high. The utility model is mainly used for roof deformation seam treatment when the roof is used as a specific function (such as a parking lot, a stadium, etc.).

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is an enlarged view of the structure of part A in Fig. 1;

In the figure: 1 deformation joint, 2 reinforced concrete structural beam, 3 round steel, 4 angle steel, 5 concrete sill, 6 additional waterproof layer, 7 roof leveling layer, 8 roof waterproof layer, 9 roof insulation layer, 10 roof rigid protection layer , 11 detachable rubber waterstop, 12 steel plate bead, 13 nut, 14 cover plate, 15 flexible lath, 16 sealant, 17 U-shaped steel plate, 18 deformation joint insulation layer, 19 fire-resistant belt, 20 leveling layer, 21 Waterproof coating film.

Detailed ways

A flat seam type, detachable roof deformation joint, in which a round steel 3 is pre-embedded every 300-500 mm in the reinforced concrete structural beam 2 on both sides of the deformation joint 1, and one end of the round steel is connected to the reinforced concrete structure The steel bars in the beam are bound and fixed, and the other end is provided with threads and is higher than the surface of the reinforced concrete structural beam.

The reinforced concrete structural beams on both sides of the deformation joint are respectively provided with angle steel 4, the inner sides of the two angle steels are opposite, the edge of one side of the angle steel is aligned with the edge of the reinforced concrete structural beam, and the corresponding positions of the angle steel and the pre-embedded round steel are provided with fixing holes, and the round steel passes through Through the fixing hole and the angle steel spot welding connection. A finished fire-stop belt 19 is provided in the deformation joint.

The outer sides of the two angle steels are respectively provided with right-angled trapezoidal concrete retaining sills 5, the right-angled sides of the concrete retaining sills are closely attached to the outer surfaces of the angle steels, and the concrete retaining sills are made of fine stone concrete.

An additional waterproof layer 6 made of waterproof coiled material is provided on the two angle steels, and the additional waterproof layer is laid across the deformation joint and pasted to both sides of the deformation joint, which is U-shaped in the deformation joint; the roof on both sides of the deformation joint The waterproof layer 8 respectively extends to the upper part of the concrete retaining sill 5, and the additional waterproof layer and the roof waterproof layer have sufficient staggered lap width and are firmly pasted, and the staggered lap width is not less than 100mm.

A detachable rubber waterstop 11 is provided between the two angle steels above the deformation joint, and the detachable rubber waterstop is placed on the additional waterproof layer 6; the detachable rubber waterstop is provided with a length of 800-1500mm The steel plate bead 12, the steel plate bead is continuously arranged on both sides of the deformation joint, and it is provided with a mounting hole corresponding to one end of the pre-embedded round steel with thread, the steel plate bead, the detachable rubber waterstop, and the angle steel pass through the nut 13 and The threaded screw connection at one end of the round steel is tightly connected. The surface of steel plate bead and detachable rubber waterstop is fully coated with waterproof film 21.

The roof waterproof layer on both sides of the deformation joint is provided with a roof insulation layer 8, a leveling layer 20, and a 60-100mm thick reinforced concrete roof rigid protection layer 10, and the roof rigid protection layer 10 is poured above the concrete sill; two angle steels above the deformation joint In between, the detachable rubber waterstop is provided with a deformation joint insulation layer 18, and a cover plate 14 is provided between the roof rigid protection layers on both sides of the deformation joint, and the two ends of the cover plate are respectively placed above the concrete retaining sill. There are 15-25mm wide gaps between the board and the roof rigid protective layer on both sides of the deformation joint, and a flexible lath 15 is arranged in the gap, and the sealant 16 is fully embedded from the upper part to the surface of the deformation joint.

The cover plate is made of fine stone concrete, and the grid joints are arranged along the length direction of the deformation joint. The distance between the grid joints is not more than 4 meters. The cover plate is equipped with two-way steel bars, and the lower lining of the cover plate is U-shaped steel plate 17.

Claims (5)

1. A flat seam type, detachable roof deformation joint, characterized in that a round steel ( 3), one end of the round steel is bound and fixed to the steel bar in the reinforced concrete structural beam, and the other end is provided with threads and is higher than the surface of the reinforced concrete structural beam; The reinforced concrete structural beams on both sides of the deformation joint are respectively provided with angle steels (4). The inner sides of the two angle steels are opposite to each other. The steel passes through the fixing hole and is connected to the angle steel by spot welding; the outside of the two angle steels is respectively provided with a right-angled trapezoidal concrete retaining sill (5), and the right-angled side of the concrete retaining sill is closely attached to the outer surface of the angle steel; The two angle steels are provided with an additional waterproof layer (6) made of waterproof coiled material, and the additional waterproof layer is laid across the deformation joint and pasted to both sides of the deformation joint, which is U-shaped in the deformation joint; the deformation joint The roof waterproof layers (8) on both sides respectively extend to the upper part of the concrete retaining sill (5), and the additional waterproof layer and the roof waterproof layer have sufficient staggered lap width and are firmly pasted; A detachable rubber waterstop (11) is provided between the two angle steels above the deformation joint, and the detachable rubber waterstop is placed on the additional waterproof layer (6); on the detachable rubber waterstop There are 800-1500mm long steel plate bead (12). The steel plate bead is continuously arranged on both sides of the deformation joint. There is a mounting hole corresponding to the end of the pre-embedded round steel with thread. The steel plate bead and detachable rubber stop The hose and the angle steel are fastened and connected with the screw thread at one end of the round steel through the nut (13); The roof waterproof layer (8) on both sides of the deformation joint is provided with a roof insulation layer (9), a leveling layer (20), a 60-100mm thick reinforced concrete roof rigid protection layer (10), and the roof rigid protection layer (10) is poured to the top of the concrete sill; A deformation joint insulation layer (18) is provided between the two angle steels above the deformation joint and on the detachable rubber waterstop, and a cover plate (14) is provided between the roof rigid protection layers on both sides of the deformation joint. The two ends are respectively placed above the concrete retaining sill, and there are 15-25mm wide gaps between the cover plate and the roof rigid protective layer on both sides of the deformation joint, and flexible laths (15) are arranged in the gaps, and the upper part of the flexible laths reaches The surface of the deformation joint is fully embedded with sealant (16). 2. A flat seam type, detachable roof deformation joint according to claim 1, characterized in that a finished fire-stop belt (19) is provided inside the deformation joint. 3. A flat seam type, detachable roof deformation joint according to claim 1, characterized in that the surface of the steel plate bead and detachable rubber waterstop is fully coated with a waterproof coating (21). 4. A flat seam type, detachable roof deformation joint according to claim 1, characterized in that the overlapping width between the additional waterproof layer and the roof waterproof layer is not less than 100 mm. 5. A flat seam type, detachable roof deformation joint according to claim 1, characterized in that the cover plate is made of fine stone concrete, and a grid joint is arranged along the length direction of the deformation joint. The seam spacing is not more than 4 meters, two-way steel bars are arranged in the cover plate, and the lower lining of the cover plate is a U-shaped steel plate (17).

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