CN220468940U - Expansion joint structure of building upper cover area - Google Patents

Abstract

The application discloses regional expansion joint structure of building upper cover relates to the construction field, and it is including setting up the slope body in expansion joint both sides, two buffer layer, tie-up layer, waterproof layer and top layer have set gradually in expansion joint top between the slope body, the tie-up layer with the top layer all with the slope body is fixed. The application has the effect of improving the problem that swash plate and apron take place not hard up leading to expansion joint department to take place seepage and weight thing when the regional construction of building upper cover.

Description

Expansion joint structure of building upper cover area

Technical Field

The application relates to the field of building construction, in particular to an expansion joint structure of an upper cover area of a building.

Background

The building upper cover area is an area where a matched facility building constructed in the upper space of a subway is located by taking the subway as a core, expansion joints 1 are often distributed at intervals in the area, the structure of each expansion joint 1 is shown in fig. 1, and the parts, adjacent to the building, forming the expansion joints 1 are arranged on the upper surface of the building in a stepped bulge mode.

In the construction process of a building, the expansion joint 1 needs to be shielded and protected, the protection and shielding of the expansion joint 1 are carried out in a mode that a cover plate 2 is installed above the expansion joint 1 at present, and because building parts on two sides of the expansion joint are in a protruding shape, temporary inclined plates need to be erected to facilitate the passing of constructors and construction vehicles.

However, the inclined plate and the cover plate need to bear vibration loads of constructors and construction vehicles, and are easy to loosen under the vibration action of the constructors and the construction vehicles for a long time, so that the shielding and protecting effects of the expansion joint are poor, and potential safety hazards of leakage and falling objects from the expansion joint exist.

Disclosure of Invention

In order to solve the problems that leakage and falling objects occur at expansion joints caused by loosening of inclined plates and cover plates during construction of an upper cover area of a building, the application provides an expansion joint structure of the upper cover area of the building.

The application provides a regional expansion joint structure of building upper cover adopts following technical scheme:

the utility model provides a regional expansion joint structure of building upper cover, includes the slope body that sets up in expansion joint both sides, two between the slope body buffer layer, tie-in layer, waterproof layer and top layer have set gradually in expansion joint top, the tie-in layer with the top layer all with the slope body is fixed.

Through adopting above-mentioned technical scheme, when constructing building upper cover region, construction vehicle and constructor move to the top layer along the slope body on then descend to the building surface along another side slope body, when construction vehicle moves on slope body and top layer, the buffer layer buffers its vibration load, the building damage of expansion joint both sides has been avoided as far as possible, the joint strength between the slope body of both sides has been improved to the articulamentum simultaneously, the water leakage on the top layer has been avoided in the expansion joint as far as possible to the waterproof layer, under the combined action, swash plate and apron take place not hard up when improving building upper cover region construction and lead to expansion joint department emergence seepage and the problem of falling down.

Optionally, the connecting layer is embedded to be equipped with the reinforcing net, the internal reinforcing frame that is used for supporting of slope is embedded to be equipped with, the reinforcing net is fixed on the reinforcing frame.

Through adopting above-mentioned technical scheme, on the one hand, the reinforcing net strengthens the bearing strength of articulamentum, and the reinforcing frame strengthens the bearing strength of the slope body, and on the other hand, reinforcing net and reinforcing frame have improved the connection effect of slope body and articulamentum to improve the problem that the swash plate takes place not hard up and leads to expansion joint department to take place seepage and weighing down the thing with the apron when the regional construction of building upper cover.

Optionally, two reinforcing frames are provided, two reinforcing frames are respectively arranged at two sides of the expansion joint, and two reinforcing frames are fixed with the reinforcing net.

Through adopting above-mentioned technical scheme, the reinforcing frame of both sides is connected through the reinforcing net, and then connects the both sides slope body, has further strengthened the connection effect between the two slopes body to swash plate and apron take place not hard up when improving the regional construction of building upper cover and lead to expansion joint department to take place the problem of seepage and weighing down the thing.

Optionally, the slope body includes the backfill layer, covers the folded plate on backfill layer surface and pours in the concrete layer on folded plate surface, the concrete layer is filled between folded plate and the building, the enhancement frame inlays and establishes in the concrete layer, the tie layer with the top layer all with the concrete layer is connected.

Through adopting above-mentioned technical scheme, backfill layer supports the folded plate, and the folded plate is fixed a shape to backfill layer, and then is convenient for concrete layer's pouring, fills expansion joint both sides building surface and folded plate's clearance through concrete layer, and the construction vehicle of being convenient for simultaneously passes through expansion joint both sides building's protruding part, and the reinforcing frame supports and strengthens concrete layer, and the concrete layer of both sides slope body passes through the articulamentum and top layer to be connected, has improved expansion joint both sides concrete layer's connection effect, and swash plate and apron take place not hard up when improving the regional construction of building upper cover and lead to expansion joint department to take place the problem of seepage and weighing down the thing.

Optionally, the bending angle of folded plate is acute angle setting, and its plate body part that is close to the expansion joint sets up perpendicularly on the building surface.

Through adopting above-mentioned technical scheme, folded plate and building surface form triangle-shaped stable structure, and its right angle part and expansion joint both sides building bellied part parallel, avoided producing stress concentration in concrete layer as far as possible and led to the fact the damage to expansion joint both sides building bellied part, inclined plate and apron take place not hard up when improving the regional construction of building upper cover and lead to expansion joint department to take place the problem of seepage and weighing down the thing.

Optionally, the concrete layer is embedded with a reinforcing mesh.

By adopting the technical scheme, the reinforcing mesh is embedded in the concrete layer, so that the crack resistance of the concrete layer is improved, the bearing strength of the slope is further improved, the service life of the slope is prolonged, and the problem that the expansion joint is leaked and dropped due to loosening of the inclined plate and the cover plate during construction of the upper cover area of a building is solved.

Optionally, the reinforcing mesh is in a bending shape, and the bending angle of the reinforcing mesh is consistent with that of the folded plate.

Through adopting above-mentioned technical scheme, under the combined action of reinforcing bar net piece and folded plate, improved the supporting effect and the supporting stability to concrete layer, further improved the bearing strength of the slope body, improved the swash plate and apron take place not hard up when the regional construction of building upper cover and lead to expansion joint department to take place the problem of seepage and weighing down the thing.

Optionally, a fixing ring for fixing the reinforcing net is fixedly sleeved on the reinforcing frame.

Through adopting above-mentioned technical scheme, the solid fixed ring is fixed the reinforcing net on the reinforcing frame, on the one hand, has avoided reinforcing net and reinforcing frame to take place the dislocation when carrying out reinforcing net and reinforcing frame installation as far as possible, on the other hand, has improved the fixed efficiency of reinforcing frame and reinforcing net, has reduced fixed cost.

In summary, the present application includes at least one of the following beneficial technical effects:

1. when the upper cover region of the building is constructed, a construction vehicle and constructors move onto the surface layer along the slope body and then descend to the surface of the building along the slope body on the other side, when the construction vehicle moves on the slope body and the surface layer, the buffer layer buffers vibration load of the construction vehicle, so that building damage on two sides of an expansion joint is avoided as much as possible, meanwhile, the connecting layer improves the connection strength between the slope bodies on two sides, the waterproof layer prevents water on the surface layer from leaking into the expansion joint as much as possible, and the problems that leakage and falling of objects occur at the expansion joint due to loosening of an inclined plate and a cover plate during construction of the upper cover region of the building are solved under the comprehensive effect;

2. on one hand, the reinforcing net enhances the bearing strength of the connecting layer, the reinforcing frame enhances the bearing strength of the slope body, and on the other hand, the reinforcing net and the reinforcing frame improve the connection effect of the slope body and the connecting layer, so that the problems of leakage and falling objects at an expansion joint caused by loosening of the inclined plate and the cover plate during construction of an upper cover area of a building are solved;

3. backfill the layer and support the folded plate, the folded plate is fixed a shape to backfill the layer, and then be convenient for concrete layer pour, pack expansion joint both sides building surface and folded plate's clearance through concrete layer, the construction vehicle of being convenient for simultaneously is through expansion joint both sides building protruding part, the enhancement frame supports and strengthens concrete layer, the concrete layer of both sides slope body passes through the articulamentum and the top layer is connected, the connection effect of expansion joint both sides concrete layer has been improved, swash plate and apron take place not hard up when improving the regional construction of building upper cover and lead to expansion joint department to take place the seepage and weigh down the problem of thing.

Drawings

Fig. 1 is a background art drawing.

Fig. 2 is a schematic overall structure of an embodiment of the present application.

Fig. 3 is an exploded view of an embodiment of the present application.

FIG. 4 is an enlarged view of the portion A in FIG. 3

Reference numerals: 1. an expansion joint; 2. a cover plate; 3. a slope body; 31. a backfill layer; 32. a folded plate; 33. a concrete layer; 4. reinforcing steel bar meshes; 5. a buffer layer; 6. a connection layer; 7. a waterproof layer; 8. a surface layer; 9. a reinforcing mesh; 10. a reinforcing frame; 11. and a fixing ring.

Detailed Description

The present application is described in further detail below in conjunction with figures 2-4.

The embodiment of the application discloses an expansion joint structure of an upper cover area of a building. Referring to fig. 2 and 3, a building upper cover area expansion joint structure includes the slope body 3 that sets up in expansion joint 1 both sides, buffer layer 5 has been set gradually in expansion joint 1 top between two slopes body 3, tie-layer 6, waterproof layer 7 and top layer 8, tie-layer 6 and top layer 8 are all fixed with slope body 3, in this application embodiment, buffer layer 5 sets up to fix the buffer board in expansion joint 1 top, the buffer board is made by polystyrene material, waterproof layer 7 is laid by the polyvinyl chloride coiled material and is formed, tie-layer 6 and top layer 8 are by concrete placement.

In order to improve the connection effect between the connecting layer 6 and the slope body 3, referring to fig. 3 and 4, the connecting layer 6 is embedded to be provided with a reinforcing net 9, the slope body 3 is embedded to be provided with a reinforcing frame 10 for supporting the reinforcing net 9, the reinforcing frame 10 is formed by combining a cross rod and a vertical rod which are fixed vertically to each other, the lower end of the reinforcing frame 10 is fixed to the building surface vertically, and the reinforcing net 9 is fixed to the reinforcing frame 10. Further, two reinforcing frames 10 are provided, the two reinforcing frames 10 are respectively arranged at two sides of the expansion joint 1, and the two reinforcing frames 10 are fixed with the reinforcing net 9. In the embodiment of the present application, the reinforcing mesh 9 is fixed with the reinforcing frame 10 through the fixing ring 11, the fixing ring 11 is formed by screwing one end of the iron wire with the other end after penetrating through the mesh of the reinforcing mesh 9 and the reinforcing frame 10, and in other embodiments, the reinforcing mesh 9 can also be fixed with the reinforcing frame 10 through the universal buckle, but due to the high cost of the universal buckle and complex operation, the present application is preferably the fixing ring 11.

When the expansion joint 1 needs to be protected, the buffer plate is fixed above the expansion joint 1, then the two reinforcing frames 10 are respectively and vertically fixed on two sides of the expansion joint 1, and finally the reinforcing net 9 is placed on the reinforcing frames 10 and screwed up by iron wires to form a fixing ring 11 to complete fixation. Then installing templates on two sides above the expansion joint 1, pouring concrete to the submerged reinforcement net 9, forming a connecting layer 6 by initial setting of the concrete, paving a plurality of layers of polyvinyl chloride coiled materials on the connecting layer 6 to form a waterproof layer 7, and finally pouring the concrete to form a surface layer 8.

After the protection above the deformation joint is completed, the slope body 3 is constructed, referring to fig. 3, the slope body 3 comprises a backfill layer 31, a folded plate 32 covered on the surface of the backfill layer 31 and a concrete layer 33 poured on the surface of the folded plate 32, the concrete layer 33 is filled between the folded plate 32 and the building, the reinforcing frame 10 is embedded in the concrete layer 33, and the connecting layer 6 and the surface layer 8 are connected with the concrete layer 33. The backfill layer 31 may be backfilled with lightweight material such as ceramic particles or foamed concrete, and in the embodiment of the present application, the backfill layer 31 is preferably backfilled with foamed concrete.

In the embodiment of the present application, in order to avoid the concrete extrusion expansion joint 1 after pouring from the step-like protruding portion of both sides building as much as possible, referring to fig. 3, the folded plate 32 is formed by bending a thick steel plate, and the bending angle thereof is set at an acute angle, and the plate body portion thereof close to the expansion joint 1 is set perpendicular to the surface of the building. In other embodiments, the bend angle of the flap 32 may also be a right angle or an obtuse angle.

In order to improve the bearing strength of the concrete layer 33, referring to fig. 3, the concrete layer 33 is embedded with reinforcing mesh pieces 4, further, the reinforcing mesh pieces 4 are bent, the bending angle of the reinforcing mesh pieces is consistent with that of the folded plate 32, further, two groups of reinforcing mesh pieces 4 in the concrete layer 33 are arranged, the bending angles of the two groups of reinforcing mesh pieces 4 are consistent, and one group of reinforcing mesh pieces 4 is larger in size.

When the construction of the slope body 3 is required, firstly, the folded plate 32 is erected on the surface of the building, then, foaming concrete is filled in the gap between the folded plate 32 and the surface of the building, then, the small-size reinforcing mesh 4 and the large-size reinforcing mesh 4 are sequentially erected above the folded plate 32, and finally, concrete is poured on the upper surface of the folded plate 32 to enable the concrete to wrap the reinforcing frame 10 and be connected with the connecting layer 6 and the surface layer 8, and a concrete layer 33 is formed after the concrete is initially set, so that the construction of the slope body 3 is completed.

The implementation principle of the expansion joint structure of the building upper cover area is as follows: when constructor or construction vehicle passes through expansion joint 1, constructor or construction vehicle when the inclined surface of concrete layer 33 moves, folded plate 32 and reinforcing bar net piece 4 strengthen concrete layer 33 bearing capacity, constructor or construction vehicle when moving to top layer 8, buffer layer 5 below top layer 8 cushion the vibration that transmits expansion joint 1 department, and reinforcing frame 10 and reinforcing net 9 strengthen the bearing capacity of tie-in layer 6, protect expansion joint 1 on the whole and avoided expansion joint 1 department to take place under the circumstances of being convenient for constructor and construction vehicle to pass through to leak and the problem of weighing down the thing.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims (8)

1. An area expansion joint structure of building upper cover, its characterized in that: including setting up slope body (3) in expansion joint (1) both sides, two between slope body (3) buffer layer (5), tie-up layer (6), waterproof layer (7) and top layer (8) have set gradually in expansion joint (1) top, tie-up layer (6) with top layer (8) all with slope body (3) are fixed.

2. The building cover area expansion joint structure according to claim 1, wherein: the connecting layer (6) is embedded to be equipped with reinforcing net (9), the slope body (3) is embedded to be equipped with be used for supporting reinforcing frame (10) of reinforcing net (9), reinforcing net (9) are fixed on reinforcing frame (10).

3. The building cover area expansion joint structure according to claim 2, wherein: the two reinforcing frames (10) are arranged, the two reinforcing frames (10) are respectively arranged on two sides of the expansion joint (1), and the two reinforcing frames (10) are fixed with the reinforcing net (9).

4. A building cover area expansion joint structure according to claim 3, wherein: the slope body (3) comprises a backfill layer (31), a folded plate (32) covering the surface of the backfill layer (31) and a concrete layer (33) poured on the surface of the folded plate (32), wherein the concrete layer (33) is filled between the folded plate (32) and a building, the reinforcing frame (10) is embedded in the concrete layer (33), and the connecting layer (6) and the surface layer (8) are connected with the concrete layer (33).

5. The building cover area expansion joint structure according to claim 4, wherein: the bending angle of the folded plate (32) is an acute angle, and the plate body part of the folded plate, which is close to the expansion joint (1), is perpendicular to the surface of the building.

6. The building cover area expansion joint structure according to claim 5, wherein: the concrete layer (33) is embedded with a reinforcing mesh (4).

7. The building cover area expansion joint structure according to claim 6, wherein: the reinforcing mesh (4) is in a bending shape, and the bending angle of the reinforcing mesh is consistent with that of the folded plate (32).

8. A building cover area expansion joint structure according to claim 3, wherein: the reinforcing frame (10) is fixedly sleeved with a fixing ring (11) for fixing the reinforcing net (9).