CN216739761U - Reinforcing structure for concrete construction and underground building - Google Patents
Reinforcing structure for concrete construction and underground building Download PDFInfo
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- CN216739761U CN216739761U CN202122710272.9U CN202122710272U CN216739761U CN 216739761 U CN216739761 U CN 216739761U CN 202122710272 U CN202122710272 U CN 202122710272U CN 216739761 U CN216739761 U CN 216739761U
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Abstract
The utility model discloses a reinforcing structure for concrete construction and an underground building, wherein the reinforcing structure for concrete construction comprises a first pouring body and a second pouring body, the first pouring body is positioned in a reinforcing area, the second pouring body is arranged adjacent to the first pouring body, the first pouring body and the second pouring body are both provided with reinforcing steel frameworks, and the expansion rate of concrete used by the first pouring body is greater than that of concrete used by the second pouring body. Because the first pouring body is adjacent to the second pouring body, the first pouring body can be poured with the second pouring body at the same time, and the expansion rate of the concrete used by the first pouring body is greater than that of the concrete used by the second pouring body, so that the problems of cracking and the like caused by the change of internal temperature, the nonuniform shrinkage and the like after pouring can be solved, the region of the reinforcing belt is reinforced, the problems of leakage and the like are not easy to occur, meanwhile, compared with the structure of a post-pouring belt, the construction is more convenient, and the construction period is shorter.
Description
Technical Field
The utility model relates to the technical field of concrete pouring construction, in particular to a reinforced structure for concrete construction and an underground building.
Background
When an underground building (such as a basement) is cast, concrete cracking of a cast-in-place reinforced concrete structure can be caused due to the change of internal temperature, uneven shrinkage and the like. The method is generally solved by adopting a telescopic post-pouring belt.
However, the post-cast strip has a plurality of construction processes, sundries are difficult to clean, the bonding performance of new and old concrete is poor, a penetrating crack is easily formed under the action of concrete shrinkage, leakage is easily caused, the safety of the structure is affected, the sealing performance of the civil air defense engineering is reduced, meanwhile, the post-cast strip can be sealed within 45 days after the structure is poured, and the influence on the construction period is large.
SUMMERY OF THE UTILITY MODEL
Based on this, there is a need for a reinforcing structure and an underground building for concrete construction; this a reinforced structure for concrete construction compares the structure of post-cast strip construction, and it is more convenient to be under construction, is difficult for causing the seepage scheduling problem, and construction cycle is shorter.
The technical scheme is as follows:
one embodiment provides a reinforcing structure for concrete construction, and the reinforcing structure comprises a first pouring body and a second pouring body, wherein the first pouring body is located in a reinforcing area, the second pouring body is arranged adjacent to the first pouring body, the first pouring body and the second pouring body are respectively provided with a reinforcing steel bar framework, and the expansion rate of concrete used by the first pouring body is larger than that of concrete used by the second pouring body.
The first casting body and the second casting body are respectively cast by concrete with different expansion rates, the first casting body is positioned in the reinforcing area, the reinforcing area is the area where the reinforcing belt of the building structure is positioned, the second casting body is positioned in the area outside the reinforcing area, the first casting body and the second casting body are adjacent, the first casting body and the second casting body can be simultaneously cast, and the expansion rate of the concrete used by the first casting body is greater than that of the concrete used by the second casting body, so that the problems of cracking and the like caused by the change of internal temperature, the nonuniform shrinkage and the like after casting can be counteracted, the area where the reinforcing belt is positioned is reinforced, the problems of leakage and the like are not easy to occur, meanwhile, compared with the structure of a post-casting belt, the construction is more convenient, and the construction period is shorter.
The technical solution is further explained as follows:
in one embodiment, the expansion rate of the concrete used for the first casting body is greater than or equal to 0.03%; the expansion rate of the concrete used for the second casting body is greater than or equal to 0.025%.
In one embodiment, the concrete used for the first casting body has a strength rating of C40; the strength grade of the concrete used for the second casting body is C35.
In one embodiment, the concrete for the first casting body and the concrete for the second casting body are both provided with an anti-cracking siliceous waterproofing agent.
In one embodiment, the concrete used for the first casting body is expanded concrete; and the concrete used by the second pouring body is shrinkage-compensating concrete.
In one embodiment, the reinforcement structure further comprises reinforcing ribs arranged at least within the first casting.
In one embodiment, the reinforcing ribs are arranged in layers, and the reinforcing ribs are arranged in at least two layers; at least a portion of the reinforcing bars extend into the second casting.
In one embodiment, the reinforcement structure further comprises a reinforcement mesh arranged within the first casting.
In one embodiment, the reinforcing mesh is a metal mesh, the metal mesh is arranged on at least one side of the first casting body, and the metal mesh is arranged in a longitudinal direction.
Another embodiment provides an underground building comprising a reinforcing structure for concrete construction as described in any one of the above claims.
The underground building can be a basement, during construction, the first casting body and the second casting body are respectively formed by casting concrete with different expansion rates, the first casting body is located in a reinforcing area, the reinforcing area is an area where a reinforcing strip of the building structure is located, the second casting body is located in an area outside the reinforcing area, the first casting body and the second casting body are adjacent, the first casting body and the second casting body can be simultaneously cast, and the expansion rate of the concrete used by the first casting body is larger than that of the concrete used by the second casting body, so that the problems of cracking and the like caused by the change of internal temperature, the nonuniform shrinkage and the like after casting can be counteracted, the area where the reinforcing strip is located is reinforced, the problems of leakage and the like are not easy to occur, meanwhile, compared with the structure of a post-casting strip, the construction is more convenient, and the construction period is shorter.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and, together with the description, serve to explain the utility model and not to limit the utility model.
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Furthermore, the drawings are not drawn to a 1:1 scale, and the relative sizes of the various elements in the drawings are drawn only by way of example, and not necessarily to true scale.
FIG. 1 is a schematic view of a reinforcing structure for concrete construction according to an embodiment of the present invention;
fig. 2 is a schematic view of a first casting and a second casting of the reinforcing structure for concrete construction in the embodiment of fig. 1.
Reference is made to the accompanying drawings in which:
101. a reinforcement region; 102. a non-reinforced region; 110. main body steel bars; 120. reinforcing ribs; 130. a reinforcing mesh.
Detailed Description
Embodiments of the present invention are described in detail below with reference to the accompanying drawings:
in order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.
Referring to fig. 1 and 2, an embodiment provides a reinforcing structure for concrete construction, where the reinforcing structure for concrete construction includes a first casting body and a second casting body, the first casting body is located in a reinforcing area 101, the second casting body is located adjacent to the first casting body, both the first casting body and the second casting body are provided with reinforcing steel frameworks, and the expansion rate of concrete used in the first casting body is greater than that of concrete used in the second casting body.
The first casting body is located in the reinforcing area 101, the reinforcing area 101 is the area where the reinforcing belt of the building structure is located, the second casting body is located in the area outside the reinforcing area 101, the first casting body and the second casting body are adjacent, the first casting body and the second casting body can be simultaneously cast, and the expansion rate of the concrete used by the first casting body is larger than that of the concrete used by the second casting body, so that the problems of cracking and the like caused by the change of internal temperature, the unevenness of shrinkage and the like after casting can be counteracted, the area where the reinforcing belt is located is reinforced, the problems of leakage and the like are not easy to occur, meanwhile, compared with the structure of a post-casting belt, the construction is more convenient, and the construction period is shorter.
In the view shown in fig. 2, the central part is a reinforced area 101, which is understood as an area where a reinforced belt needs to be arranged in the casting structure, and the left side and the right side are not reinforced areas 102.
Please refer to the embodiment shown in fig. 1 and 2, the first casting body is disposed in the area of the reinforcing band, the second casting body is disposed in the area outside the reinforcing band, the first casting body and the second casting body are cast with different concretes respectively, and the expansion rate of the concrete adopted by the first casting body is greater than that of the concrete adopted by the second casting body.
In one embodiment, the concrete used for the first casting has an expansion rate of greater than or equal to 0.03%; the expansion rate of the concrete used for the second casting body is greater than or equal to 0.025%.
In one embodiment, the concrete used for the first casting has a strength rating of C40; the strength grade of the concrete used for the second casting body is C35.
In one embodiment, the concrete for the first casting body and the concrete for the second casting body are provided with an anti-cracking siliceous waterproofing agent, and the setting amount of the anti-cracking siliceous waterproofing agent in the first casting body is larger than the setting amount of the anti-cracking siliceous waterproofing agent in the second casting body.
Alternatively, the anti-cracking siliceous waterproofing agent may be a JX-III siliceous anti-cracking waterproofing agent, JX-III being known to those skilled in the art.
In one embodiment, the concrete used for the first casting has a loading of 7% of a split siliceous waterproofing agent; the mixing amount of the anti-cracking siliceous waterproof agent in the concrete used by the second pouring body is 5 percent.
It should be noted that:
the mixing amount refers to the mass ratio of the content of the anti-cracking siliceous waterproofing agent to the total content of the concrete.
In one embodiment, the concrete used for the first casting body is expanded concrete; and the concrete used by the second pouring body is shrinkage-compensating concrete.
The expanded concrete is used for pouring the first pouring body, and the mixing amount of the JX-III siliceous anti-cracking waterproof agent in the expanded concrete is controlled to be 7 percent, so that the compactness of the concrete in the area where the reinforcing belt is located is increased, and the strength, the anti-cracking performance, the anti-leakage performance and the like of the reinforcing structure are improved.
It should be noted that:
the Expansion Concrete (Expansion Concrete) has the characteristics of strong impermeability, early quick hardening, high later strength (or over 100MPa), good sulfate resistance and the like.
The Shrinkage-Compensating Concrete (stretch Compensating Concrete) generates certain Shrinkage (mainly dry Shrinkage and cold Shrinkage) in the Concrete hardening process to limit expansion and compensate the Concrete hardening process, the Concrete expansion drives the reinforcing steel bars to expand together, the reinforcing steel bars are tensioned by expansion energy, and compressive stress is generated in the Concrete to bear load, so the Concrete is called prestressed Concrete.
In one embodiment, referring to fig. 1 and 2, the reinforcing structure further comprises a reinforcing rib 120, and the reinforcing rib 120 is arranged at least in the first casting.
As seen in fig. 1 and 2, the reinforcing bars 120 are located in the first casting, and the left and right sides of the reinforcing bars 120 extend into the left and right second castings, respectively.
In one embodiment, referring to fig. 1 and 2, the reinforcing ribs 120 are arranged in two layers, and the reinforcing ribs 120 are arranged in at least two layers; at least a portion of the reinforcing bars 120 extend into the second casting.
As shown in fig. 1 and 2, the reinforcing ribs 120 are provided in two layers, and the two layers of reinforcing ribs 120 are arranged in an upper layer and a lower layer, so as to improve the strength of the structure.
Optionally, when the cast-in-place concrete structure is used for a pool bottom or a pool wall and the like, a reinforcing rib 120 may be additionally arranged at a bottom plate or a side wall of the pool, and the specification of the reinforcing rib 120 may be C16@ 400.
Alternatively, when the cast-in-place concrete structure is used for a beam and slab structure, a reinforcing rib 120 may be additionally arranged at the position of the beam or slab, the size of the reinforcing rib 120 for the beam may be 3C18, and the size of the reinforcing rib 120 for the slab (especially, the groove part of the slab) may be C12@ 400.
In one embodiment, the reinforcement structure further comprises a reinforcement mesh 130, the reinforcement mesh 130 being arranged within the first casting.
During construction, the reinforcing mesh 130 may be arranged on the reinforced region 101 by overlapping on the steel reinforcement cage of the non-reinforced region 102, and then cast construction may be performed.
In one embodiment, the reinforcing mesh 130 is a metal mesh arranged on at least one side of the first casting body, and the metal mesh is arranged in a longitudinal direction.
Optionally, both sides of the first casting are provided with reinforcing mesh 130.
Optionally, the reinforcing mesh 130 is a dense mesh wire.
In one embodiment, the steel reinforcement framework includes a plurality of main steel reinforcements 110, and the main steel reinforcements 110 are steel reinforcements of the main framework in the structural design, which is not described in detail.
Another embodiment provides an underground building including a reinforcing structure for concrete construction as described in any one of the above embodiments.
The underground building can be a basement, during construction, a first casting body and a second casting body are respectively formed by casting concrete with different expansion rates, the first casting body is located in a reinforcing area 101, the reinforcing area 101 is the area where a reinforcing belt of the building structure is located, the second casting body is located in the area outside the reinforcing area 101, the first casting body and the second casting body are adjacent, the first casting body and the second casting body can be simultaneously cast, and the expansion rate of the concrete used by the first casting body is larger than that of the concrete used by the second casting body, so that the problems of cracking and the like caused by the change of internal temperature, the uneven shrinkage and the like after casting can be counteracted, the area where the reinforcing belt is located is reinforced, the problems of leakage and the like are not easy to occur, meanwhile, compared with the structure of a post-casting belt, the construction is more convenient, and the construction period is shorter.
Optionally, the reinforcing structure can be applied to the part of a basement where the concrete shrinkage stress is the largest so as to increase the compactness of the concrete and improve the strength, crack resistance, seepage resistance and other performances of the concrete.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the utility model and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the utility model.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. The reinforcing structure for concrete construction is characterized by comprising a first pouring body and a second pouring body, wherein the first pouring body is located in a reinforcing area, the second pouring body is adjacent to the first pouring body, the first pouring body and the second pouring body are respectively provided with a reinforcing steel bar framework, and the expansion rate of concrete used by the first pouring body is greater than that of concrete used by the second pouring body.
2. A reinforcing structure for concrete construction according to claim 1, wherein the expansion rate of the concrete for the first casting body is 0.03% or more; the expansion rate of the concrete used for the second casting body is greater than or equal to 0.025%.
3. A reinforcing structure for concrete construction according to claim 1, wherein the strength grade of the concrete for the first casting body is C40; the strength grade of the concrete used for the second casting body is C35.
4. A reinforcing structure for concrete construction according to claim 1, wherein an anti-crack siliceous waterproofing agent is provided in both the concrete for the first casting body and the concrete for the second casting body.
5. A reinforcing structure for concrete construction according to claim 1, wherein the concrete for the first casting body is expansive concrete; and the concrete used by the second pouring body is shrinkage-compensating concrete.
6. A reinforcing structure for concrete construction according to claim 1, characterised in that it further comprises reinforcing bars arranged at least within the first casting.
7. A reinforcing structure for concrete construction according to claim 6, wherein said reinforcing bars are arranged in layers, and said reinforcing bars are arranged in at least two layers; at least a portion of the reinforcing bars extend into the second casting.
8. A reinforcing structure for concrete construction according to any one of claims 1-7, wherein the reinforcing structure further comprises a reinforcing mesh arranged within the first casting.
9. A reinforcing structure for concrete construction according to claim 8, wherein said reinforcing mesh is a metal mesh arranged on at least one side of said first casting body, and said metal mesh is arranged in a longitudinal direction.
10. An underground building comprising a reinforcing structure for concrete construction according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122710272.9U CN216739761U (en) | 2021-11-05 | 2021-11-05 | Reinforcing structure for concrete construction and underground building |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122710272.9U CN216739761U (en) | 2021-11-05 | 2021-11-05 | Reinforcing structure for concrete construction and underground building |
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| Publication Number | Publication Date |
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| CN216739761U true CN216739761U (en) | 2022-06-14 |
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| CN202122710272.9U Active CN216739761U (en) | 2021-11-05 | 2021-11-05 | Reinforcing structure for concrete construction and underground building |
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- 2021-11-05 CN CN202122710272.9U patent/CN216739761U/en active Active
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