Intermittent expansion reinforcing band

Abstract

The utility model belongs to the technical field of reinforcing bands, and discloses an intermittent expansion reinforcing band which comprises pre-cast concrete, a plurality of fixing seats are embedded in one side of the pre-cast concrete, and connecting rods are in threaded connection with the interiors of the fixing seats. The post-pouring expansion reinforcing band is poured on one side of the pre-pouring concrete, the post-pouring expansion reinforcing band comprises a reinforcing band part and a post-pouring concrete part, the reinforcing band part is in contact with one side of the pre-pouring concrete, and the connecting rod is located in the reinforcing band part. The fixing seat is pre-embedded when the first-pouring concrete is poured, the fixing seat is fixed in the first-pouring concrete after the first-pouring concrete is formed, the end of the fixing seat is exposed, and when the expansion reinforcing band is poured, only the connecting rod needs to be in threaded connection with the interior of the fixing seat, and then the post-pouring expansion reinforcing band is poured, so that the first-pouring concrete is connected with the reinforcing band part; tedious steel bar connection work is not needed, and the pouring efficiency of the expansion reinforcing band is greatly improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of reinforcement belts, in particular to an intermittent expansion reinforcement belt. Background Art

[0002] The expansion reinforcement belt is a technical measure that reduces or eliminates the post-casting belt and expansion joints and extends the length of continuous casting of components by pouring shrinkage-compensating concrete at the preset post-casting belt of the structure. It can be divided into three types: continuous, intermittent and post-casting. Since ordinary concrete shrinks and causes cracking, which damages the structure, the design generally releases most of the shrinkage stress by setting temporary shrinkage deformation joints, and then backfills the joints with concrete with a larger expansion amount after a period of time. The technical principle of the expansion reinforcement belt is to add an appropriate amount of expansion agent (such as high-efficiency concrete expansion agent UEA, CEA, AEA, FEA, etc.) to the concrete in the belt, and through the chemical reaction of cement hydration products and expansion agent, the concrete will produce an appropriate amount of expansion.

[0003] For example, in an underground engineering intermittent expansion reinforcement belt waterproofing structure with publication number CN220352900, in this expansion reinforcement belt, due to the use of an intermittent expansion reinforcement belt structure, its concrete layer is poured first. When pouring the expansion reinforcement belt, it is necessary to connect the steel bars in the concrete layer. This process is relatively troublesome. At the same time, the mechanical strength between the two is low after pouring. Utility Model Content

[0004] The purpose of the utility model is to provide an intermittent expansion reinforcement belt to solve the problems raised in the above background technology.

[0005] To achieve the above object, the utility model provides an intermittent expansion reinforcement belt, comprising:

[0006] First, concrete is poured, and a plurality of fixing seats are buried on one side of the first-cast concrete, and connecting rods are connected to the fixing seats through threads;

[0007] The post-cast expansion reinforcement belt is cast on the side of the first cast concrete. The post-cast expansion reinforcement belt comprises a reinforcement belt part and a post-cast concrete part. The reinforcement belt part contacts the side of the first cast concrete, and the connecting rod is located inside the reinforcement belt part.

[0008] Through the above technical scheme, the fixing seat is embedded in advance when pouring the first cast concrete. After the first cast concrete is formed, the fixing seat is fixed inside the first cast concrete with the end exposed. When pouring the expansion reinforcement belt, it is only necessary to thread the connecting rod into the fixing seat, and then pour the post-cast expansion reinforcement belt. At this time, the connecting rod is located inside the reinforcement belt part, so that the first cast concrete and the reinforcement belt part are connected, and there is no need for tedious steel bar connection work, which greatly improves the casting efficiency of the expansion reinforcement belt.

[0009] In a preferred embodiment, steel bars are provided inside the first-cast concrete and the post-cast expansion reinforcement belt.

[0010] Through the above technical solution, the strength of concrete is improved by arranging steel bars.

[0011] In a preferred embodiment, a dense mesh steel wire is fixedly installed inside the reinforcing belt portion, one side of the dense mesh steel wire is in contact with the first cast concrete, and the other side of the dense mesh steel wire is in contact with the post-cast concrete portion.

[0012] Through the above technical solution, by arranging the dense mesh, the concrete in the first pouring concrete part and the second pouring concrete part can be prevented from flowing into the reinforcing belt part when pouring the first pouring concrete part and the second pouring concrete part.

[0013] In a preferred embodiment, both the first cast concrete and the second cast concrete are micro-expansive concrete with an expansion rate of 0.025%.

[0014] In a preferred embodiment, the reinforcement strip is micro-expansive concrete with an expansion rate of 0.04%.

[0015] In a preferred embodiment, the reinforcement strip portion and the post-cast concrete portion are cast and formed simultaneously.

[0016] In summary, due to the adoption of the above technical solution, the beneficial effects of the utility model are as follows: the utility model provides an intermittent expansion reinforcement belt.

[0017] When pouring the first concrete, the fixing seat is embedded in advance. After the first concrete is formed, the fixing seat is fixed inside the first concrete with the end exposed. When pouring the expansion reinforcement belt, it is only necessary to thread the connecting rod into the fixing seat, and then pour the post-cast expansion reinforcement belt. At this time, the connecting rod is located inside the reinforcement belt part, thereby connecting the first concrete and the reinforcement belt part, and there is no need for tedious steel bar connection work, which greatly improves the pouring efficiency of the expansion reinforcement belt. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the structure of the utility model;

[0019] Figure 2 It is a cross-sectional view of the utility model.

[0020] Markings in the figure: 1-pre-cast concrete; 11-rebar; 12-fixed seat; 13-connecting rod; 2-post-cast expansion reinforcement belt; 21-reinforcement belt part; 22-post-cast concrete part; 23-dense mesh. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical solution and advantages of the embodiments of the utility model clearer, the technical solution in the embodiments of the utility model will be clearly and completely described below in combination with the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] The following will be combined Figure 1-2 An intermittent expansion reinforcement belt according to an embodiment of the utility model is described in detail.

[0023] Example:

[0024] An intermittent expansion reinforcement belt, comprising:

[0025] Precast concrete 1, a plurality of fixing seats 12 are embedded in one side of the precast concrete 1, and a connecting rod 13 is threadedly connected to the fixing seat 12. The fixing seat 12 is embedded in advance when the precast concrete 1 is cast, and the fixing seat 12 is fixed inside the precast concrete after the precast concrete 1 is formed, and the end portion is exposed;

[0026] The post-cast expansion reinforcement belt 2 is cast on one side of the first cast concrete 1. The first cast concrete 1 and the post-cast expansion reinforcement belt 2 are both provided with steel bars 11. The strength of the concrete is improved by providing the steel bars 11. The post-cast expansion reinforcement belt 2 also includes a reinforcement belt portion 21 and a post-cast concrete portion 22. The first cast concrete 1 and the post-cast concrete portion 22 are both micro-expansive concrete with an expansion rate of 0.025%. The reinforcement belt portion 21 is a micro-expansive concrete with an expansion rate of 0.04%. The reinforcement belt portion 21 and the post-cast concrete portion 22 are cast and formed at the same time;

[0027] The reinforcement belt portion 21 is in contact with one side of the first cast concrete 1, and the connecting rod 13 is located inside the reinforcement belt portion 21. When pouring the expansion reinforcement belt, it is only necessary to thread the connecting rod 13 into the inside of the fixing seat 12, and then pour the subsequent expansion reinforcement belt 2. At this time, the connecting rod 13 is located inside the reinforcement belt portion 21, so that the first cast concrete 1 is connected to the reinforcement belt portion 21, and no cumbersome steel bar connection work is required, which greatly improves the pouring efficiency of the expansion reinforcement belt;

[0028] A dense mesh 23 is fixedly installed inside the reinforcing belt 21. One side of the dense mesh 23 contacts the first cast concrete 1, and the other side contacts the second cast concrete 22. The dense mesh can prevent the concrete inside from flowing into the reinforcing belt when pouring the first cast concrete 1 and the second cast concrete 22. The dense mesh 23 is surrounded by the reinforcing belt 21, and holes are opened at the corresponding connecting rods 13 and the steel bars 11.

[0029] Working principle:

[0030] When pouring the first cast concrete 1, the fixing seat 12 is embedded in advance. After the first cast concrete 1 is formed, the fixing seat 12 is fixed inside the first cast concrete with the end exposed. When pouring the expansion reinforcement belt, it is only necessary to thread the connecting rod 13 into the fixing seat 12, and then pour the post-cast expansion reinforcement belt 2. At this time, the connecting rod 13 is located inside the reinforcement belt part 21, so that the first cast concrete 1 is connected to the reinforcement belt part 21, and there is no need for cumbersome steel bar connection work, which greatly improves the pouring efficiency of the expansion reinforcement belt.

[0031] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that the technical solutions described in the aforementioned embodiments may still be modified, or some of the technical features may be replaced by equivalents. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. An intermittent expansion reinforcement belt, characterized in that: include: First, pour concrete (1), wherein a plurality of fixing seats (12) are buried on one side of the first pour concrete (1), and the fixing seats (12) are internally threadedly connected with connecting rods (13); A post-cast expansion reinforcement strip (2) is cast on one side of the first-cast concrete (1), the post-cast expansion reinforcement strip (2) comprising a reinforcement strip portion (21) and a post-cast concrete portion (22), the reinforcement strip portion (21) being in contact with one side of the first-cast concrete (1), and the connecting rod (13) being located inside the reinforcement strip portion (21).

2. An intermittent expansion reinforcement belt as claimed in claim 1, characterized in that: Steel bars (11) are arranged inside the first cast concrete (1) and the later cast expansion reinforcement belt (2).

3. An intermittent expansion reinforcement belt as claimed in claim 1, characterized in that: A dense mesh steel wire mesh (23) is fixedly installed inside the reinforcing belt portion (21), one side of the dense mesh steel wire mesh (23) is in contact with the first cast concrete (1), and the other side is in contact with the post-cast concrete portion (22).

4. An intermittent expansion reinforcement belt as claimed in claim 1, characterized in that: The first cast concrete (1) and the second cast concrete (22) are both micro-expansion concrete with an expansion rate of 0.025%.

5. An intermittent expansion reinforcement belt as claimed in claim 4, characterized in that: The reinforcing strip (21) is micro-expansive concrete with an expansion rate of 0.04%.

6. An intermittent expansion reinforcement belt as claimed in claim 1, characterized in that: The reinforcing strip portion (21) and the post-cast concrete portion (22) are cast and formed simultaneously.

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