CN220414686U - Building roof deformation joint structure for large truck unloading platform - Google Patents
Building roof deformation joint structure for large truck unloading platform Download PDFInfo
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- CN220414686U CN220414686U CN202322106325.5U CN202322106325U CN220414686U CN 220414686 U CN220414686 U CN 220414686U CN 202322106325 U CN202322106325 U CN 202322106325U CN 220414686 U CN220414686 U CN 220414686U
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- concrete layer
- roof
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- deformation joint
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- 238000011065 in-situ storage Methods 0.000 claims abstract description 24
- 239000003063 flame retardant Substances 0.000 claims abstract description 11
- 229920001971 elastomer Polymers 0.000 claims abstract description 7
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 7
- 238000007789 sealing Methods 0.000 claims abstract description 7
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims abstract description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 19
- 239000010959 steel Substances 0.000 claims description 19
- 239000000463 material Substances 0.000 claims description 17
- 238000005266 casting Methods 0.000 claims description 3
- 239000000835 fiber Substances 0.000 claims description 3
- 239000000725 suspension Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 4
- 238000005336 cracking Methods 0.000 abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 230000002265 prevention Effects 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 229920002943 EPDM rubber Polymers 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000004079 fireproofing Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000004078 waterproofing Methods 0.000 description 1
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Abstract
The utility model discloses a building roof deformation joint structure for a large truck unloading platform, which comprises the following components: the deformation joint consists of a closing-in section and a lower extending section; the reinforcing assembly comprises first embedded bars, second embedded bars and third embedded bars which are mutually bound; the first waterproof component is arranged on the interface between the roof structural beam and the cast-in-situ concrete layer; the second waterproof assembly comprises fixing frames which are arranged on two sides of the closing-in section in pairs, each fixing frame consists of a positioning plate, a mounting seat and connecting reinforcing steel bars, and the mounting seat is provided with a mounting cavity for mounting the sealing rubber belt; and the fire-retardant belt is arranged at the lower extension section. The utility model has simple structure, is firm and stable, is convenient to construct, has better bearing effect, reduces the probability of cracking of deformation joints, and ensures that a large truck passes more stably and safely.
Description
Technical Field
The utility model relates to the technical field of building roofs, in particular to a building roof deformation joint structure for a large truck unloading platform.
Background
In the prior art, the building roof is used as a manned roof or a planted roof, and the bearing is small, so that no special requirement is required for a roof deformation joint, and redesign is not needed. However, motor vehicles, particularly large trucks, have a large load capacity, are liable to damage the roof deformation joint structure, affect the stability of the overall structure of the building, and can also impair the functions of roof waterproofing, fire proofing and the like when the deformation joint breaks.
Disclosure of Invention
In order to solve the problems, the utility model provides a building roof deformation joint structure for a large truck unloading platform, which specifically adopts the following technical scheme:
the utility model relates to a building roof deformation joint structure for a large truck unloading platform, which comprises
The deformation joint consists of a closing-in section and a lower extending section, the closing-in section is positioned in the cast-in-place concrete layer, the cast-in-place concrete layer is flush with the top surface of the roof concrete layer arranged on the outer side of the cast-in-place concrete layer, and the lower extending section is arranged in the roof structural beam;
the reinforcing component comprises a first embedded bar, a second embedded bar and a third embedded bar which are mutually bound in the cast-in-place concrete layer, wherein the first embedded bar is arranged in the cast-in-place concrete layer, the root of the second embedded bar is arranged in the roof structure beam, and the root of the third embedded bar is arranged in the roof concrete layer;
the first waterproof component is arranged on the interface between the roof structural beam and the cast-in-situ concrete layer as well as the roof concrete layer and comprises additional waterproof coiled materials which are horizontally paved and waterproof coiled materials which are positioned on the additional waterproof coiled materials;
the second waterproof assembly comprises fixing frames which are arranged on two sides of the closing-in section in pairs, a plurality of pairs of fixing frames are arranged at intervals in the longitudinal direction of the closing-in section, each fixing frame is composed of a positioning plate, a mounting seat and connecting reinforcing steel bars, and the positioning plate is provided with a right-angle structure matched with the cast-in-situ concrete layer; the mounting seat is positioned at the top of the positioning plate and is provided with a mounting cavity for mounting the sealing rubber belt; the connecting steel bars are welded with the positioning plate and the mounting seat and are bound and connected with the reinforcing component;
and the fire-retardant belt is arranged at the lower extension section, and the end part of the fire-retardant belt is connected with the roof structural beam.
The closing-in section and the lower extension Duan Tongzhou are arranged, the width of the lower extension section is 80-200mm, and the width of the closing-in section is 50-80mm.
The width of the cast-in-situ concrete layer is at least 400mm, the roof concrete layer and the cast-in-situ concrete layer are both formed by casting waterproof concrete, and the cast-in-situ concrete layer adopts milled fiber concrete.
And the embedded depth of the second embedded bars in the roof structural beam is at least 200mm.
The waterproof coiled material, the additional waterproof coiled material and the fire-retardant belt all have natural suspension arc structures in the deformation joints.
The bottom of deformation joint is provided with the escape canal, the bottom of escape canal is provided with the drain pipe.
The gradient of escape canal is 1%, the drain pipe sets up the low reaches at the escape canal.
The deformation joint structure of the building roof for the unloading platform of the large truck has the advantages that the structure is simple, the structure is firm and stable, the construction is convenient, the contact area between the deformation joint and the automobile tire is reduced through the closing structure, the fixing frames, mutually-bound embedded bars and the like are arranged on the periphery of the deformation joint for reinforcement, a good bearing effect is achieved, the cracking probability of the deformation joint is reduced, and the large truck is enabled to pass more stably and safely; the sealing rubber belt is arranged in the deformation joint, and meanwhile, the waterproof coiled material and the additional waterproof coiled material are arranged at the interface of the roof structural beam, the cast-in-situ concrete layer and the roof concrete layer, so that the waterproof effect is effectively achieved; furthermore, if the structural joint is cracked, the drainage ditch arranged at the bottom of the structural joint can drain quickly, so that the damage caused by accumulated water is avoided; in addition, fire-retardant area still is provided with in the movement joint, plays abundant fire prevention effect.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Detailed Description
The following describes embodiments of the present utility model in detail with reference to the accompanying drawings, and the embodiments and specific working procedures of the present utility model are given by implementing the present embodiment on the premise of the technical solution of the present utility model, but the protection scope of the present utility model is not limited to the following embodiments.
As shown in figure 1, the deformation joint structure of the building roof for the large truck unloading platform provided by the utility model is composed of deformation joints, reinforcing components, a first waterproof component, a second waterproof component, fire-retardant belts, drainage ditches and the like.
The deformation joint consists of a closing-in section 1 and a lower extending section 2 which are coaxially arranged, wherein the closing-in section 1 is positioned in a cast-in-situ concrete layer 3, and the width is 50-80mm; the lower extension section 2 is positioned in the roof structural beam 4 and has the width of 80-200mm. The cast-in-situ concrete layer 3 is formed by respectively reserving reserved grooves with the width of at least 400mm at the inner sides of the roof concrete layer 5 at the two sides of the deformation joint, binding embedded bars in each reserved groove, and casting milled fiber concrete which is flush with the top surface of the roof concrete layer 5.
The reinforcement assembly comprises a first embedded bar 6, a second embedded bar 7 and a third embedded bar 8 which are mutually bound in the cast-in-situ concrete layer 3. The second embedded steel bars 7 are gate-shaped steel bars (formed by binding formed steel bars or a plurality of steel bars) with the thickness of 20@200, the roots of the second embedded steel bars are embedded by at least 200mm in the roof structure beam, and the tops of the second embedded steel bars are positioned in the reserved groove where the cast-in-situ concrete layer 3 is positioned. The third embedded bars 8 are bars embedded in the roof concrete layer 5 according to design specifications, and the heads of the third embedded bars extend into the reserved grooves where the cast-in-situ concrete layer 3 is located. The first embedded bars 6 are also 12@200 steel bars, are completely positioned in the reserved groove where the cast-in-situ concrete layer 3 is positioned, and are in binding connection with the second embedded bars 7 and the third embedded bars 8.
The cast concrete adopted by the cast-in-place concrete layer 3 and the roof concrete layer 5 has a waterproof function. Secondly, the utility model is also provided with a first waterproof component and a second waterproof component.
The first waterproof component is an additional waterproof roll 9 which is flatly paved on the interface between the roof structure beam 4 and the cast-in-situ concrete layer 3 and the roof concrete layer 5 and a waterproof roll 10 which is positioned on the additional waterproof roll. Normally, an additional waterproof coiled material 9 is arranged between the roof structural beam 4 and the cast-in-situ concrete layer 3, and extends to one side of the roof concrete layer 5 by about 300 mm; further, the waterproof coiled material 10 and the additional waterproof coiled material 9 sag for a certain length at the deformation joint to form a natural suspension arc structure. In addition, the second embedded bars 7 should be waterproof-treated at the splicing position of the waterproof coiled material 10 and the additional waterproof coiled material 9.
The second waterproof assembly comprises fixing frames which are arranged on two sides of the closing-in section 1 in pairs, and a plurality of pairs of fixing frames are arranged at intervals (the interval is usually 200 mm) along the longitudinal direction of the closing-in section 1. Each fixing frame consists of a positioning plate 11, a mounting seat 12 and a connecting steel bar 13, wherein the positioning plate 11, the mounting seat 12 and the connecting steel bar 13 are made of steel. The positioning plate 11 is made of a 10mm thick steel plate, is installed in the cast-in-situ concrete layer 3, is provided with a right-angle structure matched with the cast-in-situ concrete layer 3, and the vertical edge of the right-angle structure is flush with the end part of the cast-in-situ concrete layer 3, which is close to the deformation joint, so that the positioning plate can be used as a positioning piece for binding the cast-in-situ concrete layer 3 with a template. The deformation joint is usually in a step-shaped structure, and the width of the deformation joint is reduced from 80-200mm of the lower extension section 2 to 50-80mm of the width of the closing-in section 1. The mounting seat 12 (Q345 level) is welded on the top of the positioning plate 11, and one side of the mounting seat, which is opposite to the deformation joint, is provided with a mounting cavity for mounting a sealing rubber belt 14 made of ethylene propylene diene monomer rubber, and the sealing rubber belt 14 is used for stopping water and preventing external water from entering the deformation joint. Further, each mount 12 may be constructed in a continuous length with each other, enabling a more secure mounting of the sealing rubber strip 14. The connecting steel bar 13 is made of ∅ 16@200 steel bars, is welded and connected with the positioning plate 11 and the mounting seat 12, and extends to one side of the roof concrete layer 5 to be bound and connected with the reinforcing components (the first embedded steel bar 6, the second embedded steel bar 7 and the third embedded steel bar 8), so that the overall stability of the structure body is enhanced, the compressive strength of the concrete structure is increased, and cracking of the concrete structure is avoided.
Further, a drain 15 is further provided at the bottom of the deformation joint, the drain 15 is formed by bending a stainless steel plate, the gradient of the drain 15 is 1%, the drain is fixed at the bottom of the roof structure beam 4 through a galvanized flat steel batten and a metal expansion bolt (M6@300), and a drain pipe 16 is installed at the downstream of the drain 15 for draining water entering the deformation joint.
In addition, in order to play a role in fire prevention, a fire-retardant belt 17 is arranged at the lower extension section 2 of the deformation joint, and the end part of the fire-retardant belt 17 is connected with the roof structural beam 4 and naturally hangs in an arc shape in the deformation joint.
It should be noted that, in the description of the present utility model, terms such as "front", "rear", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element to be referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
Claims (7)
1. A building roof movement joint structure for large-scale freight train landing platform, its characterized in that: comprising
The deformation joint consists of a closing-in section and a lower extending section, the closing-in section is positioned in the cast-in-place concrete layer, the cast-in-place concrete layer is flush with the top surface of the roof concrete layer arranged on the outer side of the cast-in-place concrete layer, and the lower extending section is arranged in the roof structural beam;
the reinforcing component comprises a first embedded bar, a second embedded bar and a third embedded bar which are mutually bound in the cast-in-place concrete layer, wherein the first embedded bar is arranged in the cast-in-place concrete layer, the root of the second embedded bar is arranged in the roof structure beam, and the root of the third embedded bar is arranged in the roof concrete layer;
the first waterproof component is arranged on the interface between the roof structural beam and the cast-in-situ concrete layer as well as the roof concrete layer and comprises additional waterproof coiled materials which are horizontally paved and waterproof coiled materials which are positioned on the additional waterproof coiled materials;
the second waterproof assembly comprises fixing frames which are arranged on two sides of the closing-in section in pairs, a plurality of pairs of fixing frames are arranged at intervals in the longitudinal direction of the closing-in section, each fixing frame is composed of a positioning plate, a mounting seat and connecting reinforcing steel bars, and the positioning plate is provided with a right-angle structure matched with the cast-in-situ concrete layer; the mounting seat is positioned at the top of the positioning plate and is provided with a mounting cavity for mounting the sealing rubber belt; the connecting steel bars are welded with the positioning plate and the mounting seat and are bound and connected with the reinforcing component;
and the fire-retardant belt is arranged at the lower extension section, and the end part of the fire-retardant belt is connected with the roof structural beam.
2. The building roof deformation joint structure for a large truck landing deck of claim 1, wherein: the closing-in section and the lower extension Duan Tongzhou are arranged, the width of the lower extension section is 80-200mm, and the width of the closing-in section is 50-80mm.
3. The building roof deformation joint structure for a large truck landing deck of claim 1, wherein: the width of the cast-in-situ concrete layer is at least 400mm, the roof concrete layer and the cast-in-situ concrete layer are both formed by casting waterproof concrete, and the cast-in-situ concrete layer adopts milled fiber concrete.
4. The building roof deformation joint structure for a large truck landing deck of claim 1, wherein: and the embedded depth of the second embedded bars in the roof structural beam is at least 200mm.
5. The building roof deformation joint structure for a large truck landing deck of claim 1, wherein: the waterproof coiled material, the additional waterproof coiled material and the fire-retardant belt all have natural suspension arc structures in the deformation joints.
6. The building roof deformation joint structure for a large truck landing deck of claim 1, wherein: the bottom of deformation joint is provided with the escape canal, the bottom of escape canal is provided with the drain pipe.
7. The building roof deformation joint structure for a large truck landing deck of claim 6, wherein: the gradient of escape canal is 1%, the drain pipe sets up the low reaches at the escape canal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322106325.5U CN220414686U (en) | 2023-08-07 | 2023-08-07 | Building roof deformation joint structure for large truck unloading platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322106325.5U CN220414686U (en) | 2023-08-07 | 2023-08-07 | Building roof deformation joint structure for large truck unloading platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220414686U true CN220414686U (en) | 2024-01-30 |
Family
ID=89660657
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322106325.5U Active CN220414686U (en) | 2023-08-07 | 2023-08-07 | Building roof deformation joint structure for large truck unloading platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220414686U (en) |
-
2023
- 2023-08-07 CN CN202322106325.5U patent/CN220414686U/en active Active
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