Expansion joint structure of elevated platform for rod and wire engineering
By setting water-stop components and concrete filling layer limiting structures on the elevated platform, the problems of complex construction and unsightly appearance in the existing technology are solved, and the effects of simplified construction and easy replacement of water-stop components are achieved.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-09
- Publication Date
- 2026-04-07
AI Technical Summary
The existing expansion joint structure of the elevated platform is complex to construct, unsightly, easily damaged, and difficult to replace.
Water-stopping components are fixed to the steps using fasteners, and are limited by the concrete filling layer and cover plate. The water-stopping components can be installed later, and are sealed using plastic foam boards and sealant materials.
It simplifies the construction process, avoids the complexity of pre-embedded steel plate waterstops, makes it easy to replace damaged waterstops, and has a neat and aesthetically pleasing structure.
Smart Images
Figure CN224092731U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of building, especially a bar and wire engineering elevated platform expansion joint structure. BACKGROUND
[0002] According to the article 8.1.1 of the concrete structure design standard GB / T50010-2010, the maximum interval of indoor cast-in-place reinforced concrete frame structure expansion joint is 55 meters. In the bar and wire engineering of the steel industry, the equipment foundation generally adopts the elevated reinforced concrete platform due to the need of process arrangement, the length of the elevated platform generally reaches several hundred meters, which exceeds the provision of the structure design standard, in order to solve the shrinkage and deformation of concrete, the expansion joint is generally set according to the provision to solve the problem.
[0003] The expansion joint of the existing elevated platform is generally made from the bottom to the top: polystyrene foam plastic plate, steel plate water stop belt, polysulfide sealing paste, waterproof mortar leveling layer, protruding galvanized steel plate fixed by shooting nails or expansion anchor bolts. However, this expansion joint method will cause the unevenness of the elevated platform, and a protruding steel plate can be seen every 55 meters or so, which is not beautiful and the construction is complex. Specifically, first, the steel plate water stop belt needs to be pre-buried; second, the construction of binding steel bars is time-consuming and laborious; third, the steel plate water stop belt is not easy to replace after being damaged and pulled apart; fourth, the protruding galvanized steel plate is not beautiful and is easy to hurt people. SUMMARY
[0004] In order to overcome the above-mentioned defects of the prior art, the technical problem to be solved by the utility model embodiment is to provide a bar and wire engineering elevated platform expansion joint structure, which can solve the problem of complex construction of the expansion joint structure in the prior art.
[0005] The specific technical scheme of the utility model embodiment is:
[0006] A bar and wire engineering elevated platform expansion joint structure, the bar and wire engineering elevated platform expansion joint structure comprises:
[0007] A first elevated concrete platform and a second elevated concrete platform are sequentially arranged in the horizontal direction, and a first expansion joint is arranged between the two platforms, the first elevated concrete platform has a first step near the edge of the second elevated concrete platform, and the second elevated concrete platform has a second step near the edge of the first elevated concrete platform;
[0008] A water stop part is fixedly arranged at the first step through a first fixing part, the water stop part extends through the first expansion joint, and the other end of the water stop part is fixedly arranged at the second step through a second fixing part;
[0009] A first concrete filling layer is laid on the first step, and at least one end of the waterstop is located within the first concrete filling layer. The first concrete filling layer has a recessed first limiting portion.
[0010] A second concrete filling layer is laid at the second step, and at least part of the other end of the waterstop is located within the second concrete filling layer. The second concrete filling layer has a recessed second limiting part, and a second expansion joint is provided between the first concrete filling layer and the second concrete filling layer.
[0011] A cover plate, which is laid on the first concrete filling layer and the second concrete filling layer and is horizontally limited by the first limiting part and the second limiting part.
[0012] Preferably, the water-stopping component includes a first bent portion, a first horizontal extension portion, a recessed portion, a second horizontal extension portion, and a second bent portion connected in sequence; the first bent portion is located within the first concrete filling layer; the second bent portion is located within the second concrete filling layer; the first horizontal extension portion is tightly attached to the first elevated concrete platform and fixed by the first fixing member; the recessed portion is located in the first expansion joint; the second bent portion is located within the second concrete filling layer; the second horizontal extension portion is tightly attached to the second elevated concrete platform and fixed by the second fixing member.
[0013] Preferably, the expansion joint structure of the elevated platform for bar and wire rod engineering includes:
[0014] A plastic foam board located below the waterstop in the first expansion joint.
[0015] Preferably, a sealing material is filled above the plastic foam board and below the waterstop to seal the space between the first elevated concrete platform and the second elevated concrete platform.
[0016] Preferably, the sealing material is polysulfide sealant.
[0017] Preferably, both the first elevated concrete platform and the second elevated concrete platform have internal steel reinforcement structures;
[0018] Both the first concrete filling layer and the second concrete filling layer are plain concrete.
[0019] Preferably, the first concrete fill layer has a third step near the edge of the second concrete fill layer, and the first limiting part shown includes the third step;
[0020] The second concrete fill layer has a fourth step near the edge of the first concrete fill layer, and the second limiting part shown includes the fourth step.
[0021] Preferably, the cover plate has a cover plate body extending in a horizontal direction, a first stop portion and a second stop portion extending downward from the lower end surface of the cover plate body, the first stop portion being able to abut against the vertical surface of the third step, and the second stop portion being able to abut against the vertical surface of the fourth step.
[0022] Preferably, the upper surface of the cover plate is flush with the upper surface of the first elevated concrete platform and the upper surface of the second elevated concrete platform.
[0023] Preferably, the first fixing member includes a nail; the second fixing member includes a nail; the nail passes through the waterstop and enters the first elevated concrete platform or the second elevated concrete platform.
[0024] The technical solution of this utility model has the following significant beneficial effects:
[0025] 1. The water-stop components in the expansion joint structure of the elevated platform of this bar and wire rod project do not need to be pre-embedded. They can be laid in the later stage after the construction of the first and second elevated concrete platforms is completed.
[0026] 2. The reinforcing bars in the first and second elevated concrete platforms do not need to be bent in advance to leave space for fixing the waterstop components.
[0027] 3. If the waterstop is damaged, the first and second concrete filling layers can be easily and quickly removed to replace the waterstop.
[0028] 4. The construction process of the expansion joint structure of the elevated platform for the entire bar and wire rod project is quick and convenient, without any cumbersome or inconvenient construction. Attached Figure Description
[0029] The accompanying drawings described herein are for illustrative purposes only and are not intended to limit the scope of this invention in any way. Furthermore, the shapes and proportions of the components in the drawings are merely illustrative to aid in understanding the invention and do not specifically limit the shapes and proportions of the components. Those skilled in the art, under the guidance of this invention, can select various possible shapes and proportions to implement this invention according to specific circumstances.
[0030] Figure 1 This is a schematic diagram of the expansion joint structure of the elevated platform for bar and wire rod engineering in this embodiment of the present invention.
[0031] The reference numerals in the above figures are as follows:
[0032] 1. First elevated concrete platform; 11. First step; 2. Second elevated concrete platform; 21. Second step; 3. First expansion joint; 4. Waterstop; 41. First bend; 42. First horizontal extension; 43. Recess; 44. Second horizontal extension; 45. Second bend; 5. First concrete filling layer; 51. Third step; 6. Second concrete filling layer; 61. Fourth step; 7. Plastic foam board; 8. Sealing material; 9. Cover plate; 91. Cover plate body; 92. First stop; 93. Second stop; 10. Second expansion joint; 12. First fastener; 13. Second fastener. Detailed Implementation
[0033] The details of this utility model can be more clearly understood by referring to the accompanying drawings and the description of specific embodiments. However, the specific embodiments of this utility model described herein are for illustrative purposes only and should not be construed as limiting the utility model in any way. Under the teachings of this utility model, those skilled in the art can conceive of any possible modifications based on this utility model, and these should all be considered to fall within the scope of this utility model.
[0034] To address the issue of complex construction of expansion joint structures in existing technologies, this application proposes an expansion joint structure for elevated platforms used in bar and wire rod engineering. Figure 1 This is a structural schematic diagram of the expansion joint structure of the elevated platform for bar and wire rod engineering in an embodiment of this utility model, as shown below. Figure 1 As shown, the expansion joint structure of the elevated platform for bar and wire rod engineering may include: a first elevated concrete platform 1, a second elevated concrete platform 2, a waterstop 4, a first concrete filling layer 5, a second concrete filling layer 6, and a cover plate 9.
[0035] The first elevated concrete platform 1 and the second elevated concrete platform 2 are arranged sequentially in the horizontal direction, with a first expansion joint 3 between them. The first elevated concrete platform 1 has a first step 11 near the edge of the second elevated concrete platform 2, and the second elevated concrete platform 2 has a second step 21 near the edge of the first elevated concrete platform 1. The height of the upper surface of the first elevated concrete platform 1 excluding the first step 11 can be approximately equal to the height of the upper surface of the second elevated concrete platform 2 excluding the second step 21.
[0036] One end of the waterstop 4 is fixedly installed at the first step 11 by the first fixing member 12, and the waterstop 4 extends through the first expansion joint 3. The other end of the waterstop 4 is fixedly installed at the second step 21 by the second fixing member 13. This method allows for the fixation of the waterstop 4, facilitating the subsequent pouring of concrete filling layers at the first step 11 and the second step 21 to further secure the waterstop 4. The waterstop 4 is used to prevent water from flowing into the first expansion joint 3 from the first elevated concrete platform 1 and the second elevated concrete platform 2.
[0037] As a viable option, the waterstop 4 can be made of a metal plate, such as a steel plate, which is easy to bend and has a certain degree of toughness.
[0038] A first concrete filler layer 5 is laid at the first step 11, with at least one end of the water-stopping element 4 located within the first concrete filler layer 5. A second concrete filler layer 6 is laid at the second step 21, with the other end of the water-stopping element 4 located within the second concrete filler layer 6. This method further secures the water-stopping element 4 and prevents water from the first elevated concrete platform 1 and the second elevated concrete platform 2 from flowing into the first expansion joint 3 through the gap between the water-stopping element 4 and the horizontal planes of the first step 11 and the second step 21. A second expansion joint 10 is formed between the first concrete filler layer 5 and the second concrete filler layer 6, and the position of the second expansion joint 10 corresponds horizontally to the position of the first expansion joint 3.
[0039] Alternatively, the waterstop 4 may include a first bend 41, a first horizontal extension 42, a recess 43, a second horizontal extension 44, and a second bend 45 connected in sequence. The first bend 41 is located within the first concrete fill layer 5. The second bend 45 is located within the second concrete fill layer 6. The first horizontal extension 42 is in close contact with the first elevated concrete platform 1 and is fixed by the first fastener 12. The recess 43 is located in the first expansion joint 3. The second bend 45 is located within the second concrete fill layer 6. The second horizontal extension 44 is in close contact with the second elevated concrete platform 2 and is fixed by the second fastener 13. The recess 43 may be arc-shaped to allow for further bending, thereby accommodating dimensional changes in the first expansion joint 3 between the first elevated concrete platform 1 and the second elevated concrete platform 2.
[0040] In one feasible embodiment, the first fixing member 12 includes a nail; the second fixing member 13 includes a nail. The nail passes through the waterstop 4 and enters the first elevated concrete platform 1 or the second elevated concrete platform 2. The fixing members can be arranged alternately or neatly, as long as they can effectively fix the waterstop 4.
[0041] Both the first elevated concrete platform 1 and the second elevated concrete platform 2 have reinforced concrete structures inside. The first concrete filling layer 5 and the second concrete filling layer 6 can both be plain concrete, which only needs to fill and bury the water-stopping component 4, and support the cover plate 9 and seal the gaps of the fixing components.
[0042] The first concrete fill layer 5 has a recessed first limiting part. The second concrete fill layer 6 has a recessed second limiting part. The cover plate 9 is laid on the first concrete fill layer 5 and the second concrete fill layer 6 and is horizontally limited by the first and second limiting parts. In this way, the cover plate 9 can be positioned to prevent it from moving arbitrarily in the horizontal direction. The cover plate 9 can cover the first expansion joint 3 and the second expansion joint 10.
[0043] As an option, the first concrete fill layer 5 has a third step 51 near the edge of the second concrete fill layer 6, and the first limiting portion shown includes the third step 51. The second concrete fill layer 6 has a fourth step 61 near the edge of the first concrete fill layer 5, and the second limiting portion shown includes the fourth step 61. Correspondingly, the cover plate 9 may have a cover plate body 91 extending horizontally, a first stop 92 and a second stop 93 connected to the lower end face of the cover plate body 91 extending downward. The first stop 92 can abut against the vertical surface of the third step 51, and the second stop 93 can abut against the vertical surface of the fourth step 61.
[0044] Furthermore, the upper surface of the cover plate 9 is flush with the upper surface of the first elevated concrete platform 1 and the upper surface of the second elevated concrete platform 2.
[0045] As a feasible option, the expansion joint structure of the elevated platform for bar and wire rod engineering may include: a plastic foam board 7 located below the waterstop 4 in the first expansion joint 3. The plastic foam board 7 can easily undergo compression deformation under external force, and can also spring back to its original state after compression, thereby accommodating the dimensional changes of the first expansion joint 3.
[0046] To further prevent water from flowing into the first expansion joint 3, a sealant 8 is filled above the foam board 7 and below the waterstop 4 to seal the space between the first elevated concrete platform 1 and the second elevated concrete platform 2. For example, the sealant 8 can be polysulfide sealant, or other sealant 8 with good sealing performance and long-term durability.
[0047] The expansion joint structure of the elevated platform for bar and wire rod engineering in this application has the following advantages: First, the waterstop 4 in the expansion joint structure does not need to be pre-embedded; it can be laid after the first elevated concrete platform 1 and the second elevated concrete platform 2 are constructed. Second, the reinforcing bars in the first elevated concrete platform 1 and the second elevated concrete platform 2 do not need to be pre-bent to leave space for fixing the waterstop 4. Third, if the waterstop 4 is damaged, the first concrete filling layer 5 and the second concrete filling layer 6 can be easily and quickly removed to replace the waterstop 4. Fourth, the construction process of the entire expansion joint structure of the elevated platform for bar and wire rod engineering is quick and convenient, without any cumbersome or inconvenient construction.
[0048] All articles and references disclosed herein, including patent applications and publications, are incorporated herein by reference for various purposes. The term “substantially constitutes…” used to describe a combination should include the identified element, component, part, or step, as well as other elements, components, parts, or steps that do not substantially affect the essential novelty of the combination. The use of the terms “comprising” or “including” to describe combinations of elements, components, parts, or steps herein also contemplates embodiments substantially constituted by such elements, components, parts, or steps. The use of the term “may” herein is intended to indicate that any described attribute “may” include is optional. Multiple elements, components, parts, or steps can be provided by a single integrated element, component, part, or step. Alternatively, a single integrated element, component, part, or step can be divided into multiple separate elements, components, parts, or steps. The disclosure of “a” or “an” used to describe an element, component, part, or step does not imply exclusion of other elements, components, parts, or steps.
[0049] The various embodiments in this specification are described in a progressive manner, with each embodiment focusing on its differences from other embodiments. Similar or identical parts between embodiments can be referred to interchangeably. The above embodiments are only for illustrating the technical concept and features of this utility model, and are intended to enable those skilled in the art to understand the content of this utility model and implement it accordingly. They should not be construed as limiting the scope of protection of this utility model. All equivalent changes or modifications made in accordance with the spirit and essence of this utility model should be included within the scope of protection of this utility model.
Claims
1. An expansion joint structure for an elevated platform for bar and wire rod engineering, characterized in that, The expansion joint structure of the elevated platform for the bar and wire rod project includes: A first elevated concrete platform and a second elevated concrete platform are arranged sequentially in the horizontal direction, with a first expansion joint between them. The first elevated concrete platform has a first step near the edge of the second elevated concrete platform, and the second elevated concrete platform has a second step near the edge of the first elevated concrete platform. A water-stopping component, one end of which is fixedly installed at the first step by a first fixing component, the water-stopping component extends through the first expansion joint, and the other end of which is fixedly installed at the second step by a second fixing component. A first concrete filling layer is laid on the first step, and at least one end of the waterstop is located within the first concrete filling layer. The first concrete filling layer has a recessed first limiting portion. A second concrete filling layer is laid at the second step, and at least part of the other end of the waterstop is located within the second concrete filling layer. The second concrete filling layer has a recessed second limiting part, and a second expansion joint is provided between the first concrete filling layer and the second concrete filling layer. A cover plate, which is laid on the first concrete filling layer and the second concrete filling layer and is horizontally limited by the first limiting part and the second limiting part.
2. The expansion joint structure for the elevated platform of bar and wire rod engineering according to claim 1, characterized in that, The water-stopping component includes a first bent portion, a first horizontal extension portion, a recessed portion, a second horizontal extension portion, and a second bent portion connected in sequence; the first bent portion is located within the first concrete filling layer; the second bent portion is located within the second concrete filling layer; the first horizontal extension portion is tightly attached to the first elevated concrete platform and fixed by the first fixing member; the recessed portion is located in the first expansion joint; the second bent portion is located within the second concrete filling layer; the second horizontal extension portion is tightly attached to the second elevated concrete platform and fixed by the second fixing member.
3. The expansion joint structure for the elevated platform of bar and wire rod engineering according to claim 1, characterized in that, The expansion joint structure of the elevated platform for the bar and wire rod project includes: A plastic foam board located below the waterstop in the first expansion joint.
4. The expansion joint structure for the elevated platform of bar and wire rod engineering according to claim 3, characterized in that, The area above the plastic foam board and below the water-stopping element is filled with sealing material to seal the space between the first elevated concrete platform and the second elevated concrete platform.
5. The expansion joint structure for the elevated platform of bar and wire rod engineering according to claim 4, characterized in that, The sealing material is polysulfide sealant.
6. The expansion joint structure for the elevated platform of bar and wire rod engineering according to claim 1, characterized in that, Both the first elevated concrete platform and the second elevated concrete platform have internal reinforced steel structures; Both the first concrete filling layer and the second concrete filling layer are plain concrete.
7. The expansion joint structure for the elevated platform of bar and wire rod engineering according to claim 1, characterized in that, The first concrete fill layer has a third step near the edge of the second concrete fill layer, and the first limiting part shown includes the third step; The second concrete fill layer has a fourth step near the edge of the first concrete fill layer, and the second limiting part shown includes the fourth step.
8. The expansion joint structure for the elevated platform of bar and wire rod engineering according to claim 7, characterized in that, The cover plate has a cover plate body extending in a horizontal direction, a first stop portion and a second stop portion extending downward from the lower end surface of the cover plate body, the first stop portion being able to abut against the vertical surface of the third step, and the second stop portion being able to abut against the vertical surface of the fourth step.
9. The expansion joint structure for the elevated platform of bar and wire rod engineering according to claim 1, characterized in that, The upper surface of the cover plate is flush with the upper surface of the first elevated concrete platform and the upper surface of the second elevated concrete platform.
10. The expansion joint structure for the elevated platform of bar and wire rod engineering according to claim 1, characterized in that, The first fixing member includes a nail; the second fixing member includes a nail. The nail passes through the waterstop and enters the first elevated concrete platform or the second elevated concrete platform.