CN220522018U - Control tool for floor thickness and reinforcement protection layer thickness - Google Patents
Control tool for floor thickness and reinforcement protection layer thickness Download PDFInfo
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- CN220522018U CN220522018U CN202322066719.2U CN202322066719U CN220522018U CN 220522018 U CN220522018 U CN 220522018U CN 202322066719 U CN202322066719 U CN 202322066719U CN 220522018 U CN220522018 U CN 220522018U
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- thickness
- control tool
- solid column
- groove
- protection layer
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- 230000002787 reinforcement Effects 0.000 title claims abstract description 17
- 239000007787 solid Substances 0.000 claims abstract description 35
- 239000011241 protective layer Substances 0.000 claims abstract description 18
- 239000011398 Portland cement Substances 0.000 claims description 11
- 239000004576 sand Substances 0.000 claims description 11
- 230000003014 reinforcing effect Effects 0.000 claims description 4
- 239000010410 layer Substances 0.000 abstract description 17
- 229910000831 Steel Inorganic materials 0.000 abstract description 12
- 238000000034 method Methods 0.000 abstract description 12
- 239000010959 steel Substances 0.000 abstract description 12
- 230000008569 process Effects 0.000 abstract description 11
- 230000000694 effects Effects 0.000 abstract description 8
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 13
- 238000013461 design Methods 0.000 description 10
- 238000004519 manufacturing process Methods 0.000 description 5
- 239000002023 wood Substances 0.000 description 5
- 238000010276 construction Methods 0.000 description 4
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 239000004570 mortar (masonry) Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
Landscapes
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
Abstract
The utility model discloses a tool for controlling the thickness of a floor slab and the thickness of a reinforcement protection layer, which comprises a solid column, wherein the height of the solid column is the same as the thickness of the floor slab, two grooves for placing reinforcement are axially formed in the solid column along the axial direction of the solid column, and the distance from each groove to the adjacent end of the solid column is the thickness of the reinforcement protection layer. When the control tool is used, the steel bars are placed in the grooves, so that the effect of controlling the thickness of the protective layer and the effect of controlling the thickness of the floor slab can be achieved in the concrete pouring process. The control tool can be reused.
Description
Technical Field
The utility model relates to the technical field of civil engineering, in particular to a control tool for floor thickness and reinforcement protection layer thickness.
Background
The position of the stressed steel bar in the concrete structure is accurate or not, the bearing capacity and durability of the concrete structure are directly affected, and the concrete structure can be adversely affected by too large or too small of the steel bar protection layer. The current concrete structure construction quality acceptance specification prescribes that the engineering structure acceptance must be subjected to physical detection of the thickness of the reinforcement protection layer. At present, the common tools for controlling the thickness of the reinforcement protection layer are mortar cushion blocks, stirrup reinforcement bars, plastic cushion blocks and the like. Before concrete pouring, the binding and forming of the floor slab steel bars are better, but in the concrete pouring process, due to the reasons of pump pipes, vibration, trampling by operators and the like, the cushion blocks and stirrups are easy to damage or deform, and the thickness of the protective layer cannot be effectively ensured.
In addition, when cast-in-place concrete is poured, the thickness of the floor slab is not controlled in place, so that the deviation of the reinforcement protection layer is large, if the thickness of the poured and formed plate is insufficient, the size of the reinforcement protection layer is small or negative reinforcement is exposed easily, and the reinforcement cannot bear force together with the concrete according to the design requirement, so that the cast-in-place plate is cracked; if the plate formed by pouring is too thick, the size of the reinforcement protection layer is easy to be bigger, so that the floor load is increased and the structural bearing capacity is reduced.
Disclosure of Invention
The utility model aims to solve the technical problem that the thickness of a reinforced protection layer and the thickness of the floor cannot be effectively ensured due to the influence of the existing tool for controlling the thickness of the floor and the thickness of the reinforced protection layer in the use process in the concrete pouring process.
The utility model is realized by the following technical scheme:
the utility model provides a control instrument of floor thickness and protective layer thickness of reinforcing bar, includes solid post, the height and the floor thickness of solid post are the same, follow its axial on the solid post and seted up two recesses that are used for placing the reinforcing bar, every the distance of recess to the adjacent one end of solid post is protective layer thickness of reinforcing bar.
As a possible design, the depth of the groove is 23-25 mm.
As a possible design, the depth of the groove is 24mm.
As a possible design, the difference between the width of the groove and the diameter of the bar is 4-6 mm.
As a possible design, the difference between the width of the groove and the diameter of the bar is 5mm.
As a possible design, the solid column is made of concrete.
As a possible design, the concrete is mainly made of 42.5 portland cement and medium coarse sand mixed.
As a possible design, the mass ratio of the 42.5 Portland cement to the medium coarse sand is 1:4 to 6.
As a possible design, the mass ratio of the 42.5 Portland cement to the medium coarse sand is 1:5.23.
as one possible design, the diameter of the solid post is greater than 50mm.
The beneficial effects of the utility model are as follows:
when the control tool is used, the steel bars are placed in the grooves, so that the effect of controlling the thickness of the protective layer and the effect of controlling the thickness of the floor slab can be achieved in the concrete pouring process. The control tool can be reused.
Drawings
The accompanying drawings, which are included to provide a further understanding of embodiments of the utility model and are incorporated in and constitute a part of this application, illustrate embodiments of the utility model. In the drawings:
fig. 1 is a schematic structural diagram of a tool for controlling the thickness of a building board and the thickness of a reinforcement protection layer according to an embodiment of the present utility model.
In the drawings, the reference numerals and corresponding part names:
1-solid columns, 2-grooves and 3-reinforcing steel bars.
Detailed Description
For the purpose of making apparent the objects, technical solutions and advantages of the present utility model, the present utility model will be further described in detail with reference to the following examples and the accompanying drawings, wherein the exemplary embodiments of the present utility model and the descriptions thereof are for illustrating the present utility model only and are not to be construed as limiting the present utility model.
It will be understood that when an element is referred to as being "mounted" or "disposed" on another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise. The meaning of "a number" is one or more than one unless specifically defined otherwise.
In the description of the present utility model, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "front", "rear", "left", "right", etc., are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
The existing tool for controlling the thickness of the floor slab and the thickness of the reinforcing steel bar protection layer is easy to damage in the concrete pouring process, so that the thickness of the floor slab and the thickness of the reinforcing steel bar protection layer are not controlled in place, and the specification of the inspection and acceptance Specification of the construction quality of a concrete structure cannot be met.
In order to solve the above problems, as shown in fig. 1, the embodiment of the utility model provides a tool for controlling the thickness of a floor slab and the thickness of a protective layer of a reinforcing steel bar 3, which comprises a solid column 1, wherein the height of the solid column 1 is the same as the thickness of the floor slab, two grooves 2 for placing the reinforcing steel bar 3 are axially formed in the solid column 1, and the distance from each groove 2 to the adjacent end of the solid column 1 is the thickness of the protective layer of the reinforcing steel bar 3.
The height of the solid column 1 is used for controlling the thickness of the floor slab, so that the thickness of the floor slab is effectively ensured, the position where the groove 2 is formed (namely, the distance from the groove 2 to the adjacent end of the solid column 1) is used for controlling the thickness of the protective layer of the reinforcing steel bar 3, so that the thickness of the protective layer of the reinforcing steel bar 3 is effectively ensured, and the requirement of the acceptance criterion of the construction quality of a concrete structure is met.
When the control tools are used, firstly, all the required control tools are vertically placed, then, the steel bars 3 of each control tool are respectively placed into one groove 2, and finally, concrete pouring is carried out. The steel bars 3 are arranged in the grooves 2, so that displacement change and deformation cannot be generated in the using process of the control tool, the effect of controlling the thickness of the protective layer can be achieved, and the effect of controlling the thickness of the floor slab can be achieved.
In practical application, if the multilayer reinforcing steel bars 3 are needed in the reinforcing steel bar 3 protective layer, corresponding grooves 2 can be formed in the solid column 1 along the axial direction, the distance between the grooves 2 can be set correspondingly according to practical requirements, but the distance between the uppermost groove 2 and the lowermost groove 2 and the adjacent end of the solid column 1 is required to be ensured to be the thickness of the reinforcing steel bar 3 protective layer, so that the thickness of the reinforcing steel bar 3 protective layer can be effectively ensured to meet the requirements.
In practical application, the diameter of the solid column 1 may be selected according to the tool for manufacturing the solid column 1, but the diameter of the solid column 1 must be larger than the diameter of the steel bar 3 to achieve fixation of the steel bar 3, and in order to ensure the strength of the solid column 1, the depth of the groove 2 is not larger than half the diameter of the solid column 1, for example: the solid column 1 has a diameter of 50mm and the depth of the recess 2 is not more than 25mm, preferably 23-25 mm, more preferably 24mm.
In order to facilitate the smooth insertion of the bars 3 into the grooves 2 without any significant displacement, the difference between the width of the grooves 2 and the diameter of the bars 3 is generally 4-6 mm, preferably 5mm.
In order to save the manufacturing cost of the solid column 1 and to make raw materials easily available, the solid column 1 is made of concrete. The concrete is mainly prepared by mixing 42.5 Portland cement and medium coarse sand. In order to ensure the strength of the solid column 1, the mass ratio of the 42.5 Portland cement to the medium coarse sand is 1:4 to 6, preferably 1:5.23.
the embodiment of the utility model also provides a manufacturing method of the control tool for the thickness of the floor slab and the thickness of the protective layer of the steel bar 3, which comprises the following steps:
1. preparation tool
Phi 50PVC pipe, 42.5 Portland cement, medium coarse sand, small blade, release agent, lead wire and wood block, wherein the mass ratio of the 42.5 Portland cement to the medium coarse sand is 1:5.23;
2. controlling the overall height of the die according to the height of the floor, wherein the height of the die is equal to the thickness of the floor; the position of the groove 2 is the position of the upper and lower layer steel bars 3 of the floor slab. Controlling the size of the floor protection layer and the size of the reserved notch in the processing process;
3. mixing 42.5 Portland cement and medium coarse sand, fully and uniformly stirring, pouring into a PVC pipe, tamping, and placing wood blocks into the groove 2 in the pouring process for plugging the groove 2;
4. and after the mortar is finally solidified, vertically cutting the PVC pipe by using a blade, taking out a finished product and taking out the wood block. The PVC pipe can be repeatedly used after being cut by a blade and bound by a lead wire;
5. curing the taken finished product, wherein the maintenance process is kept moist;
6. after the finished product reaches the strength, the finished product can be directly used in the floor slab. The steel bars 3 are respectively placed in the grooves 2 in the floor slab, so that the effect of controlling the thickness of the protective layer and the effect of controlling the thickness of the floor slab can be achieved in the concrete pouring process.
The manufacturing process of the control tool can be as follows: the control tool can be made from a large amount of construction waste materials (such as phi 50PVC pipes and wood blocks), is used for recycling waste, is energy-saving and environment-friendly, can be processed in batches, and is easy to popularize. Under the condition that the thickness of the protective layer of the reinforcing steel bar 3 and the thickness of the floor slab are effectively controlled, the cost can be saved to the greatest extent, and the method is worthy of popularization and use.
The phi 50PVC pipe, the small blade, the lead wire and the wood block can be reused, so that the cost for manufacturing the control tool is further reduced.
The foregoing description of the embodiments has been provided for the purpose of illustrating the general principles of the utility model, and is not meant to limit the scope of the utility model, but to limit the utility model to the particular embodiments, and any modifications, equivalents, improvements, etc. that fall within the spirit and principles of the utility model are intended to be included within the scope of the utility model.
Claims (10)
1. The utility model provides a control instrument of floor thickness and reinforcement protective layer thickness, its characterized in that includes solid post (1), the height and the floor thickness of solid post (1) are the same, follow its axial on solid post (1) and seted up two recess (2) that are used for placing reinforcing bar (3), every recess (2) are the reinforcement (3) protective layer thickness to the distance of the adjacent one end of solid post (1).
2. A control tool according to claim 1, characterized in that the depth of the groove (2) is 23-25 mm.
3. A control tool according to claim 2, characterized in that the depth of the groove (2) is 24mm.
4. A control tool according to claim 1, characterized in that the difference between the width of the groove (2) and the diameter of the bar (3) is 4-6 mm.
5. A control tool according to claim 4, characterized in that the difference between the width of the groove (2) and the diameter of the bar (3) is 5mm.
6. Control tool according to claim 1, characterized in that the solid column (1) is made of concrete.
7. The control tool of claim 6 wherein the concrete is made primarily of 42.5 portland cement and medium coarse sand mixed.
8. The control tool of claim 7, wherein the mass ratio of 42.5 portland cement to medium coarse sand is 1:4 to 6.
9. The control tool of claim 8, wherein the mass ratio of 42.5 portland cement to medium coarse sand is 1:5.23.
10. a control tool according to claim 1, characterized in that the diameter of the solid column (1) is greater than 50mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322066719.2U CN220522018U (en) | 2023-08-02 | 2023-08-02 | Control tool for floor thickness and reinforcement protection layer thickness |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322066719.2U CN220522018U (en) | 2023-08-02 | 2023-08-02 | Control tool for floor thickness and reinforcement protection layer thickness |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220522018U true CN220522018U (en) | 2024-02-23 |
Family
ID=89935182
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322066719.2U Active CN220522018U (en) | 2023-08-02 | 2023-08-02 | Control tool for floor thickness and reinforcement protection layer thickness |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220522018U (en) |
-
2023
- 2023-08-02 CN CN202322066719.2U patent/CN220522018U/en active Active
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