CN214941168U - Expansion joint structure - Google Patents
Expansion joint structure Download PDFInfo
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- CN214941168U CN214941168U CN202121107743.0U CN202121107743U CN214941168U CN 214941168 U CN214941168 U CN 214941168U CN 202121107743 U CN202121107743 U CN 202121107743U CN 214941168 U CN214941168 U CN 214941168U
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Abstract
The utility model provides an expansion joint structure, include: the expansion joint is formed in the wall body of the main body structure, and two ends of the expansion joint respectively extend to the top surface of the top plate and the bottom surface of the bottom plate; the groove corresponds to the expansion joint and is arranged on the top plate, and the size of the groove is larger than that of the expansion joint; the first water stop plate is attached to the bottom surface of the groove and used for blocking the top end of the expansion joint; pouring a mortar layer formed in the groove, wherein the surface of the mortar layer is flush with the top surface of the top plate and covers the first water stop plate; the second water stop plate is attached to the bottom surface of the bottom plate and used for blocking the bottom end of the expansion joint; and pouring a grouting layer formed on the expansion joint to fill the area of the expansion joint between the first water stop plate and the second water stop plate. The utility model provides a block structure of traditional expansion joint drop easily and cracked technical problem, improved the stability of the structure of caulking, improved the stability of wall body.
Description
Technical Field
The utility model relates to a construction technical field relates to an expansion joint structure particularly.
Background
The main structure in the building construction is easy to be affected by expansion with heat and contraction with cold due to the large span, so that a plurality of irregular cracks are formed on the main structure, the cracks not only affect the aesthetic property of the building structure, but also affect the stability of the main structure, easily cause the shortening of the service life of the building, have large hidden troubles, consume manpower and material resources during reworking, and seriously affect the construction process.
SUMMERY OF THE UTILITY MODEL
In view of the above situation, the utility model provides an expansion joint structure has solved the structural easy cracked technical problem that forms of major structure, has improved the stability of the structure of caulking, and has increased the life of wall body.
In order to achieve the purpose, the utility model adopts the technical proposal that:
an expansion joint structure comprising:
the expansion joint is formed in the wall body of the main body structure, and two ends of the expansion joint respectively extend to the top surface of the top plate and the bottom surface of the bottom plate;
the groove corresponds to the expansion joint and is arranged on the top plate, and the size of the groove is larger than that of the expansion joint;
the first water stop plate is attached to the bottom surface of the groove and used for blocking the top end of the expansion joint;
pouring a mortar layer formed in the groove, wherein the surface of the mortar layer is flush with the top surface of the top plate and covers the first water stop plate;
the second water stop plate is attached to the bottom surface of the bottom plate and used for blocking the bottom end of the expansion joint; and
and pouring a grouting layer formed on the expansion joint to fill the area of the expansion joint between the first water stop plate and the second water stop plate.
The utility model discloses expansion joint structure's further improvement lies in, still including filling in the filling plate of this expansion joint correspondence position of this roof and this bottom plate, this injected layer is formed at the region that this expansion joint is located between this filling plate, and this filling plate laminates in the side that this first stagnant water board or this second stagnant water board is close to this injected layer.
The utility model discloses expansion joint structure's further improvement lies in, still including scribbling the sealing glue layer between the lateral wall that this infill panel and this roof are close to this expansion joint and this infill panel and this bottom plate are close to this expansion joint.
The utility model discloses expansion joint structure's further improvement lies in, still includes the waterstop of burying underground in this infill panel, and the tip anchor of this waterstop is in this bottom plate or this roof that are close to this infill panel.
The utility model discloses expansion joint structure's further improvement lies in, still including filling the sealed cream layer between this infill panel and this slip casting layer.
The utility model discloses a further improvement of the expansion joint structure is that a cushion layer is formed by pouring at the bottom of the bottom plate, and a waterproof layer is laid on the top surface of the cushion layer; the second water stop plate is arranged at the position, corresponding to the expansion joint, of the top surface of the waterproof layer so as to block the bottom end of the expansion joint.
The utility model discloses expansion joint structure's further improvement lies in, and the side interval that this first stagnant water board is close to this slip casting layer is provided with a plurality of first anchor ends, buries underground in this roof through this first anchor end to make this first stagnant water board be fixed in this roof, and the top at this expansion joint is plugged up to the shutoff.
The utility model discloses expansion joint structure's further improvement lies in, and the side interval that this second stagnant water board is close to this slip casting layer is provided with a plurality of second anchor ends, buries underground in this bottom plate through this second anchor end to make this second stagnant water board be fixed in this bottom plate, and the bottom at this expansion joint is plugged up to the shutoff.
The utility model discloses the further improvement of expansion joint structure lies in, and the width that this expansion joint is close to the part of this roof and this bottom plate is less than the width that this expansion joint kept away from the part of this roof and this bottom plate.
The utility model discloses expansion joint structure's further improvement lies in, and the intensity of the concrete on this slip casting layer is less than the intensity of the concrete of this major structure.
The expansion joint structure of the utility model provides the expansion space of the main structure by arranging the expansion joint in the main structure, thereby preventing the main structure from cracking and forming cracks under the influence of thermal expansion and cold contraction after being formed; the first water stop plate and the second water stop plate are arranged at the two ends of the expansion joint to block the expansion joint, so that a large amount of water outside the building is prevented from permeating into the expansion joint, and the stability of the structure of the expansion joint is influenced; the water stop belt is embedded in the middle of the expansion joint to prevent the deep diffusion of water which penetrates through the first water stop plate and the second water stop plate and enters the expansion joint, so that the stability of the joint filling structure is protected conveniently; the expansion joint is arranged into an irregular shape according to the change of the position, so that the water permeation is reduced, and the service life of the joint filling structure is prolonged.
Drawings
Fig. 1 is a front view of the expansion joint structure of the present invention.
Fig. 2 is an enlarged schematic view of a portion a in fig. 1.
FIG. 3 is an enlarged schematic view of portion B of FIG. 1
The correspondence of reference numerals to components is as follows: the waterproof structure comprises a top plate 11, a wall body 12, a bottom plate 13, an expansion joint 2, a grouting layer 21, a first water stop plate 22, a second water stop plate 23, a water stop belt 24, a sealing paste layer 25, a groove 26, a filling plate 27, a cushion layer 3 and a waterproof layer 4.
Detailed Description
To facilitate understanding of the present invention, the following description is made with reference to the accompanying drawings and examples.
Referring to fig. 1 to 3, the present invention provides an expansion joint structure, including: the expansion joint 2 is formed in a wall body 12 of the main body structure, and two ends of the expansion joint 2 respectively extend to the top surface of the top plate 11 and the bottom surface of the bottom plate 13; the groove 26 corresponds to the expansion joint 2 and is arranged on the top plate 11, and the size of the groove 26 is larger than that of the expansion joint 2; the first water stop plate 22 is attached to the bottom surface of the groove 26 and used for blocking the top end of the expansion joint 2; pouring a mortar layer formed in the groove 26, wherein the surface of the mortar layer is flush with the top surface of the top plate 11 and covers the first water stop plate; a second water stop plate 23 attached to the bottom surface of the bottom plate 13 for blocking the bottom end of the expansion joint 2; and pouring the grouting layer 21 formed on the expansion joint 2 to fill the area of the expansion joint 2 between the first water stop plate 22 and the second water stop plate 23.
The expansion joint structure of the utility model provides an expansion space of the main structure by arranging the expansion joint 2 in the main structure, thereby preventing the main structure from cracking and forming cracks under the influence of thermal expansion and cold contraction after being formed; a first water stop plate 22 and a second water stop plate 23 are arranged at two ends of the expansion joint 2 to block the expansion joint 2, so that a large amount of water outside the building is prevented from permeating into the expansion joint 2, and the structure stability of the expansion joint 2 is influenced; the water stop belt 24 is embedded in the middle of the expansion joint 2 to prevent the water penetrating through the first water stop plate 22 and the second water stop plate 23 and entering the expansion joint 2 from being deeply diffused, so that the stability of the joint filling structure is protected conveniently; the expansion and contraction of the wall body 12 are facilitated by utilizing the difference of the molding time between the later poured grouting layer 21 and the wall body 12 and the difference of the performances of concrete with different marks.
The utility model discloses an expansion joint structure's a preferred embodiment does, as shown in fig. 2 and fig. 3, still including filling in the filling plate 27 of the position that expansion joint 2 corresponds roof 11 and bottom plate 13, grouting layer 21 is formed at expansion joint 2 and is located region between filling plate 27, and filling plate 27 laminates in the side that first stagnant water board 22 or second stagnant water board 23 are close to grouting layer 21.
Further, the sealing glue layer is coated between the filling plate 27 and the side wall of the top plate 11 close to the expansion joint 2 and between the filling plate 27 and the side wall of the bottom plate 12 close to the expansion joint 2, the filling plate 23 is conveniently fixed in the expansion joint 2 through the sealing glue layer, and the filling plate 27 is prevented from falling off.
Further, as shown in fig. 2 and 3, a water stop 24 buried in the filling plate 27 is further included, and an end of the water stop 24 is anchored in the bottom plate 13 or the top plate 11 near the filling plate 27.
Specifically, as shown in fig. 2 and 3, the water stop 24 is located at the expansion joint 2 and is in the shape of a circular arc, and the opening end of the circular arc is close to the grouting layer 21, so that water penetrating into the expansion joint 2 can be prevented from entering the grouting layer 21, the stability of the grouting layer is improved, and the stability of the gap filling structure is improved.
Preferably, the infill panel 23 is made of polystyrene board.
Further, as shown in fig. 2 and 3, a sealing paste layer 25 filled between the filling plate 27 and the grouting layer 21 is further included, and the sealing paste layer 25 facilitates to improve adhesion between materials of different materials, thereby preventing a gap from being formed between the filling plate 27 and the grouting layer 21 and improving stability of the caulking structure.
Further, as shown in fig. 1 and 3, a cushion layer 3 is formed at the bottom of the bottom plate 13 by casting, and a waterproof layer 4 is laid on the top surface of the cushion layer 3; the second water stop plate 23 is placed at the position of the top surface of the waterproof layer 4 corresponding to the expansion joint 2 so as to block the bottom end of the expansion joint 2 and prevent the water in the stratum from permeating into the expansion joint 2, thereby prolonging the service life of the expansion joint 2.
Specifically, a plurality of first anchoring ends are arranged at intervals on the side face, close to the grouting layer 21, of the first water stop plate 22, and the first anchoring ends are embedded in the top plate 11, so that the first water stop plate 22 is fixed on the top plate 11, and the top end of the expansion joint 2 is blocked.
Specifically, the second water stop plate 23 is provided with a plurality of second anchoring ends at intervals on the side surface close to the grouting layer 21, and the second anchoring ends are embedded in the bottom plate 13, so that the second water stop plate 23 is fixed on the bottom plate 13, and the bottom end of the expansion joint 2 is blocked.
Preferably, as shown in fig. 1, the width of the portion of the expansion joint 2 close to the top plate 11 and the bottom plate 13 is smaller than the width of the portion of the expansion joint 2 far from the top plate 11 and the bottom plate 13, and the size of the expansion joint 2 is reduced at the two ends by the design mode, so that the contact area between the external moisture and the expansion joint 2 is reduced, the external water is reduced to enter the expansion joint 2, and the stability of the expansion joint 2 is improved.
Preferably, the strength of the concrete of the grouting layer 21 is lower than that of the concrete of the wall body 12, and the strength of the concrete in the groove 26 is lower than that of the concrete of the grouting layer 21, so that the wall body is expanded with heat and contracted with cold due to temperature changes after the construction of the building is completed by utilizing the performance difference of the concrete with different strengths, thereby maintaining the stability of the building.
The utility model relates to an expansion joint structure, the concrete is poured on the top surface of the foundation to form a cushion layer 3, a waterproof layer 4 is laid on the top of the cushion layer 3, a second water stop plate 23 is arranged on the top surface of the waterproof layer 4, the concrete is poured on the top of the waterproof layer 4 to form a bottom plate 13, a wall body 12 and a top plate 11, thereby an expansion joint 2 formed in the wall body 12 and two ends of the expansion joint 2 extend to the top surface of the top plate 11 and the bottom surface of the bottom plate 13 respectively, and a plurality of second anchoring ends are anchored on the bottom plate 13;
filling the filling plate 27 at the position of the expansion joint 2 in the top plate 11 and the bottom plate 13, embedding a water stop belt 24 in the filling plate 27, anchoring two ends of the water stop belt to the bottom plate 13 corresponding to the filling plate 27, and filling the sealing paste 25 in the expansion joint 2 and at the top of the filling plate 27;
pouring concrete in the expansion joint 2 at the top of the filling plate 27 of the bottom plate 13 to form a grouting layer 21, wherein the top surface of the grouting layer 21 is flush with the bottom surface of the top plate 12;
filling sealant 25 at the top of the grouting layer 21, filling a filling plate 27 at the expansion joint of the top plate 11 and attaching to the sealant 25, and embedding a water stop strip 24 in the filling plate 27 with two ends anchored to the top plate 11 corresponding to the filling plate 27;
the first anchoring end is embedded in the top plate 11, so that the first water stop plate 22 blocks the top end of the expansion joint 2, and concrete is poured in the groove 26 to cover the first water stop plate 221, thereby completing the construction of the expansion joint.
The present invention has been described in detail with reference to the drawings and the embodiments, and those skilled in the art can make various modifications to the present invention based on the above description. Therefore, certain details of the embodiments should not be construed as limitations of the invention, which are intended to be covered by the following claims.
Claims (10)
1. An expansion joint structure, comprising:
the expansion joint is formed in the wall body of the main body structure, and two ends of the expansion joint respectively extend to the top surface of the top plate and the bottom surface of the bottom plate;
the groove corresponds to the expansion joint and is arranged on the top plate, and the size of the groove is larger than that of the expansion joint;
the first water stop plate is attached to the bottom surface of the groove and used for blocking the top end of the expansion joint;
pouring a mortar layer formed in the groove, wherein the surface of the mortar layer is flush with the top surface of the top plate and covers the first water stop plate;
the second water stop plate is attached to the bottom surface of the bottom plate and used for blocking the bottom end of the expansion joint; and
and pouring a grouting layer formed on the expansion joint to fill the area of the expansion joint between the first water stop plate and the second water stop plate.
2. The expansion joint structure of claim 1, further comprising a filling plate filled in a position of the expansion joint corresponding to the top plate and the bottom plate, wherein the grouting layer is formed in a region of the expansion joint between the filling plates, and the filling plate is attached to a side surface of the first water stop plate or the second water stop plate close to the grouting layer.
3. The expansion joint structure of claim 2, further comprising a sealant layer applied between the filling plate and the sidewall of the top plate near the expansion joint and between the filling plate and the sidewall of the bottom plate near the expansion joint.
4. The expansion joint structure of claim 2, further comprising a water stop buried in the filling plate, and an end of the water stop is anchored in the bottom plate or the top plate adjacent to the filling plate.
5. The expansion joint structure of claim 2, further comprising a sealing paste layer filled between the filling plate and the grouting layer.
6. The expansion joint structure of claim 1, wherein a cushion layer is formed at the bottom of the bottom plate in a pouring manner, and a waterproof layer is laid on the top surface of the cushion layer;
the second water stop plate is arranged on the top surface of the waterproof layer corresponding to the position of the expansion joint so as to block the bottom end of the expansion joint.
7. The expansion joint structure of claim 1, wherein a plurality of first anchoring ends are arranged at intervals on the side surface of the first water stop plate close to the grouting layer, and the first anchoring ends are embedded in the top plate, so that the first water stop plate is fixed on the top plate and blocks the top end of the expansion joint.
8. The expansion joint structure of claim 1, wherein a plurality of second anchoring ends are arranged at intervals on the side surface of the second water stop plate close to the grouting layer, and the second anchoring ends are embedded in the bottom plate, so that the second water stop plate is fixed on the bottom plate and blocks the bottom end of the expansion joint.
9. The expansion joint structure of claim 1, wherein the width of the portion of the expansion joint close to the top plate and the bottom plate is smaller than the width of the portion of the expansion joint far away from the top plate and the bottom plate.
10. The expansion joint structure of claim 1, wherein the strength of the concrete of the grouting layer is lower than that of the concrete of the main body structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121107743.0U CN214941168U (en) | 2021-05-18 | 2021-05-18 | Expansion joint structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121107743.0U CN214941168U (en) | 2021-05-18 | 2021-05-18 | Expansion joint structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214941168U true CN214941168U (en) | 2021-11-30 |
Family
ID=79058276
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121107743.0U Active CN214941168U (en) | 2021-05-18 | 2021-05-18 | Expansion joint structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214941168U (en) |
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2021
- 2021-05-18 CN CN202121107743.0U patent/CN214941168U/en active Active
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