CN221524001U - Concrete cushion block for manufacturing culvert side wall template inner support and template inner support comprising cushion block - Google Patents
Concrete cushion block for manufacturing culvert side wall template inner support and template inner support comprising cushion block Download PDFInfo
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- CN221524001U CN221524001U CN202323292039.9U CN202323292039U CN221524001U CN 221524001 U CN221524001 U CN 221524001U CN 202323292039 U CN202323292039 U CN 202323292039U CN 221524001 U CN221524001 U CN 221524001U
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- cushion block
- concrete
- inner support
- side wall
- culvert
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Abstract
本实用新型公开了一种用于制作涵洞侧墙模板内撑的混凝土垫块及包括该垫块的模板内撑，混凝土垫块包括：垫块本体，其呈圆台形，底面的面积大于顶面面积，底面朝顶面的方向穿设有盲孔；套管，其呈中空圆柱形，设置在所述盲孔中，外壁与所述盲孔相贴。模板内撑包括对撑钢筋和混凝土垫块，混凝土垫块对称设置在对撑钢筋的两端。采用本实用新型可防止涵洞侧墙表面出现锈蚀，及防止锈蚀液体流出，保证涵洞侧墙的表面美观。
The utility model discloses a concrete pad for making a culvert side wall formwork inner support and a formwork inner support including the pad. The concrete pad includes: a pad body, which is in a truncated cone shape, the area of the bottom surface is larger than the area of the top surface, and a blind hole is penetrated from the bottom surface toward the top surface; a sleeve, which is in a hollow cylindrical shape and is arranged in the blind hole, and the outer wall is in contact with the blind hole. The formwork inner support includes a supporting steel bar and a concrete pad, and the concrete pad is symmetrically arranged at both ends of the supporting steel bar. The utility model can prevent rust from appearing on the surface of the culvert side wall and prevent rust liquid from flowing out, thereby ensuring the beautiful surface of the culvert side wall.
Description
Technical Field
The utility model relates to the technical field of traffic infrastructure construction, in particular to a concrete cushion block for manufacturing a side wall template internal stay of a culvert and a template internal stay comprising the cushion block.
Background
The frame culvert is a common highway and railway interchange mode, and the construction process generally comprises the following steps: foundation excavation-cushion layer construction-box culvert bottom plate construction-side wall and top plate construction-open channel restoration and auxiliary construction, wherein the side wall construction is cast in situ, reinforcing steel bars are required to be bound in advance, a template is erected, concrete is cast after the template is fixed, in order to enable the structural dimension to meet the requirement, the on-site culvert side wall template is generally fixed by adopting a mode of locking a pull rod, an inner supporting mode is required to be adopted at the inner side of the template, the structural dimension of the structure after the pull rod is prevented from being locked is reduced, and at present, the inner supporting adopts two modes as follows: the first is to adopt a water stop pull rod which can be used as a pull rod and an internal support, but has the following defects: the side wall thickness is not uniform, the purchase price is expensive, and the side wall cannot be used in a large scale due to cost reasons. The second is to use the auxiliary steel bar of the waste material as the internal support, the two ends of the steel bar are propped against the inner sides of the templates on two sides, the length of the steel bar is matched with the thickness of the side wall, but because the steel bar is used to prop against the templates, the end face of the steel bar is always exposed after the templates are removed, the steel bar rusts to seriously influence the appearance of the wall, and even if the protective layer is cut and repaired, yellow rust can still flow out due to the too small protective layer, so that the surface appearance of the structure is greatly influenced.
Disclosure of Invention
The utility model discloses a concrete cushion block for manufacturing a culvert side wall template inner support and the template inner support comprising the cushion block, which can prevent the surface of the culvert side wall from being corroded, prevent rust liquid from flowing out and ensure the attractive surface of the culvert side wall.
In order to achieve the above purpose, the technical scheme of the utility model is as follows:
A concrete pad for making a culvert sidewall template inner brace, comprising:
The cushion block body is in a round table shape, the area of the bottom surface is larger than that of the top surface, and blind holes are formed in the bottom surface in a penetrating manner in the direction of the top surface;
The sleeve is hollow and cylindrical, is arranged in the blind hole, and the outer wall is attached to the blind hole.
Preferably, the sleeves are provided with a plurality of groups, and the thickness of each group of the sleeves is different, so that through holes in the middle of the sleeves in different groups can be matched and inserted with reinforcing steel bars with different diameters.
Preferably, the cushion block body is provided with a plurality of groups, and each group of cushion block body is different in vertical height from the bottom surface to the top surface and is matched with the thickness of the culvert side wall reinforcement protection layer.
Preferably, the pad body is made of concrete or cement.
Preferably, the sleeve is made of plastic.
Preferably, the top surface diameter of the cushion block body is 3-5cm.
Preferably, the central axis of the blind hole in the cushion block body and the central axis of the cushion block body are on the same straight line.
A culvert sidewall template inner brace comprising:
opposite bracing reinforcing steel bars;
The concrete cushion block is symmetrically arranged at two ends of the opposite supporting steel bars, the sleeve is matched with the periphery of the symmetrical steel bars, and the inner ends of the blind holes of the cushion block body are propped against the ends of the symmetrical steel bars.
The concrete cushion block for manufacturing the culvert side wall template internal stay and the template internal stay comprising the cushion block are characterized in that after the side wall steel bars are bound, the internal stay steel bars are cut to a proper length, the concrete cushion blocks are sleeved at the two ends of the internal stay steel bars, and then the internal stay of the culvert side wall template is propped against the inner side of the culvert side wall template, and the internal stay of the template is arranged at intervals, so that concrete pouring can be performed.
The utility model has the following advantages:
(1) Because the two ends of the opposite bracing reinforcing steel bars are plugged by the concrete cushion blocks, after the template is removed, the exposed end face is a concrete face, so that the surface of the side wall of the culvert is prevented from being rusted, rust liquid is prevented from flowing out, and the surface of the side wall of the culvert is ensured to be attractive.
(2) The utility model can be made of waste steel bars, and the matched concrete cushion block is convenient to manufacture and low in cost, and compared with a water stop pull rod, the formwork inner support is more suitable for large-scale popularization.
(3) The utility model is flexible and changeable, can adjust the internal stay distance by cutting the opposite length reinforcing steel bars according to the structural sizes of different structures, and can adapt to the application scenes of structures with various sizes.
Drawings
Fig. 1 is a schematic perspective view of a concrete pad according to the present utility model.
Fig. 2 is a schematic diagram of a front view of a concrete pad.
Fig. 3 is a schematic bottom view of fig. 2.
Fig. 4 is a schematic top view of fig. 2.
Fig. 5 is a schematic view of the vertical middle section structure of fig. 2.
Fig. 6 is a schematic diagram of the front view structure of the inner stay of the form of the present utility model.
FIG. 7 is a schematic view of the use state structure of the inner support of the template of the present utility model.
In the figure, a concrete cushion block 1, a cushion block body 101, a sleeve 102, a counter-bracing reinforcing steel bar 2, a side wall template 3 and a side wall reinforcing steel bar 4.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be noted that, the azimuth or positional relationship indicated by the terms "upper", "lower", etc. are based on the azimuth or positional relationship shown in the drawings, or the azimuth or positional relationship in which the inventive product is conventionally put in use, are merely for convenience of describing the present utility model and simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific azimuth, be configured and operated in a specific azimuth, and therefore, should not be construed as limiting the present utility model.
In the present application, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; 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 application can be understood by those of ordinary skill in the art according to the specific circumstances.
Example 1
The concrete cushion block 1 for manufacturing the inner support of the culvert side wall template 3 is shown in combination with fig. 1 and 2, and comprises a cushion block body 101 and a sleeve 102, wherein: the cushion block body 101 is in a truncated cone shape as shown in fig. 3 and 4, the area of the bottom surface is larger than that of the top surface, and blind holes are formed in the bottom surface in a penetrating manner in the direction of the top surface as shown in fig. 5; the sleeve 102 is in a hollow cylindrical shape, is arranged in the blind hole, is attached to the outer wall of the blind hole, and the front end of the sleeve 102 is propped against the inner end of the blind hole, and the rear end of the sleeve is flush with the bottom surface of the cushion block body 101.
Preferably, the sleeves 102 are provided with multiple sets, each set of sleeves 102 having a different thickness, so that through holes in the middle of the sleeves 102 of different sets can be matched to insert rebar of different diameters. That is, the thicknesses of the sleeves 102 of different groups are different, and the sleeves 102 with different thicknesses can be selected to be inserted into the cushion block body 101 according to the different diameters of the selected waste steel bars, so that the inner wall of the sleeve 102 is attached to the opposite supporting steel bars inserted into the sleeve, the blind holes of the cushion block body 101 are tightly filled, and the supporting strength is ensured.
Preferably, the cushion block body 101 is provided with a plurality of groups, and the vertical height between the bottom surface and the top surface of each group of cushion block body 101 is different and is matched with the thickness of the culvert side wall reinforcement protection layer. Because the thickness of culvert side wall is different, consequently the thickness of protective layer is also different, in order to realize the location of whole template internal stay better to and conveniently control the thickness of protective layer, this embodiment sets up the vertical height of cushion body 101 and the thickness assorted of culvert side wall protective layer, makes cushion body 101 can be well clamped jointly by side wall reinforcing bar and side wall template, and can keep the thickness of protective layer unanimous.
Preferably, the cushion block body 1 is made of concrete or cement, so that the cushion block body 1 can be combined with the poured concrete into a whole after the side wall of the culvert is poured, and the cushion block body 1 adopts the structure that the concrete or the bottom surface is larger than the top surface, is manufactured by pouring the concrete or the cement, and can be conveniently taken out.
Preferably, the sleeve is made of plastic, the plastic is convenient to obtain materials, the cutting is convenient, the sleeve can be used on site at any time, a PVC pipe is preferably adopted, the cost is low, and the materials can be obtained on site.
Preferably, the top surface diameter of the cushion block body 1 is 3-5cm, the top surface of the cushion block body 1 props against the side wall template 3, the reasonable diameter is controlled, the trace left outside the protective layer due to overlarge diameter can be avoided, and the defect of insufficient supporting strength due to overlarge diameter can be avoided. The diameter of the bottom surface of the cushion block body 1 is larger than that of the top surface. For example, according to the requirements of the side wall of the culvert, the diameter of the bottom surface of the cushion block body 1 is designed to be 6.5cm, the top surface has a diameter of 4.5 cm and a height of 7.0 cm.
Preferably, the central axis of the blind hole in the cushion block body 1 is in a straight line with the central axis of the cushion block body, so that when the side wall template 3 is supported subsequently, the opposite supporting reinforcing steel bars 2 are uniformly protected, and the opposite supporting reinforcing steel bars 2 can also stably support the cushion block body 1.
Example two
The inner support of the culvert side wall template manufactured by adopting the concrete cushion block 1 in the first embodiment is shown in fig. 6, and includes: opposite bracing reinforcing steel bars 2; in the concrete cushion 1 of the first embodiment, the two ends of the opposite-supporting steel bars 2 are symmetrically arranged, the sleeve 102 is matched and sleeved on the periphery of the symmetrical steel bars, and the inner ends of the blind holes of the cushion block body 101 are propped against the ends of the symmetrical steel bars. When the concrete spacer block is used, the two ends of the opposite supporting steel bar 2 are respectively inserted into the sleeve 102 of the concrete spacer block 1 until the inner ends of the blind holes are propped against, so that the concrete spacer blocks are blocked at the two ends of the opposite supporting steel bar 2, and the exposed end faces are concrete faces after the template is removed, thereby preventing the surfaces of the side walls of the culvert from being corroded, preventing rust liquid from flowing out, and ensuring the attractive surfaces of the side walls of the culvert.
In order to ensure the thickness of the culvert side wall, the length l=d-2 a of the opposite supporting steel bar 2, wherein d is the thickness of the culvert side wall, and a is the linear distance from the inner end of the blind hole to the concrete cushion block 1.
In addition, after the template internal stay installation is accomplished, because the bottom surface one end of cushion body 1 inwards, top surface one end supports side wall template 3, and cushion body 1 wholly is smooth cambered surface, and concrete is pour from side wall template 3 top, and the concrete relies on gravity from inside to outside, from top to bottom, when being favorable to pouring the concrete, after the concrete vibrates, cushion body 1 periphery packing is filled fully.
The concrete cushion block 1 for manufacturing the inner support of the culvert side wall template and the template inner support comprising the cushion block are arranged, after the side wall steel bars 4 are bound, the inner support steel bars are cut to a proper length, the concrete cushion block 1 is sleeved at two ends of the inner support, and then the inner side of the culvert side wall template 3 is propped against, and the inner support of the template is arranged at a certain distance, so that concrete pouring can be performed.
In the embodiment, the design that the opposite supporting steel bars 2 are sleeved in the concrete cushion blocks 1 to prop the side wall templates 3 is adopted, deformation and falling off can be avoided during concrete pouring, and construction is easy. In order to better ensure that the template internal stay is not shifted, as shown in fig. 7, during construction, the concrete cushion block 1 is preferably erected on the side wall steel bars 4 which are transversely distributed, wherein the opposite-bracing steel bars 2 are positioned on the side wall steel bars 4 which are transversely distributed, the cushion block body 101 is clamped between the side wall template 3 and the side wall steel bars 4, and then binding is carried out, so that the template internal stay can be ensured to be fixed, and the thickness of the steel bar protection layer can be kept consistent.
Claims (8)
1. A concrete cushion block for making culvert side wall template internal stay, characterized by comprising:
The cushion block body is in a round table shape, the area of the bottom surface is larger than that of the top surface, and blind holes are formed in the bottom surface in a penetrating manner in the direction of the top surface;
The sleeve is hollow and cylindrical, is arranged in the blind hole, and the outer wall is attached to the blind hole.
2. The concrete cushion block for making a culvert sidewall template inner support according to claim 1, wherein:
The sleeve is provided with a plurality of groups, and the thickness of each group of sleeve is different, so that through holes in the middle of the sleeves of different groups can be matched and inserted with reinforcing steel bars with different diameters.
3. The concrete cushion block for making a culvert sidewall template inner support according to claim 1, wherein:
The cushion block body is provided with a plurality of groups, and each group of cushion block body is different in vertical height from the bottom surface to the top surface and is matched with the thickness of the culvert side wall reinforcement protection layer.
4. The concrete cushion block for making a culvert sidewall template inner support according to claim 1, wherein:
The cushion block body is made of concrete or cement.
5. The concrete cushion block for making a culvert sidewall template inner support according to claim 1, wherein:
The sleeve is made of plastic.
6. The concrete cushion block for making a culvert sidewall template inner support according to claim 1, wherein:
the diameter of the top surface of the cushion block body is 3-5cm.
7. The concrete cushion block for making a culvert sidewall template inner support according to claim 1, wherein:
the central axis of the blind hole in the cushion block body and the central axis of the cushion block body are on the same straight line.
8. The utility model provides a culvert side wall template internal stay which characterized in that includes:
opposite bracing reinforcing steel bars;
The concrete spacer of any one of claims 1-7, symmetrically disposed at both ends of the counter-bracing bar, the sleeve matching is fitted around the periphery of the counter-bracing bar, and the inner end of the blind hole of the spacer body abuts against the end of the counter-bracing bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323292039.9U CN221524001U (en) | 2023-12-05 | 2023-12-05 | Concrete cushion block for manufacturing culvert side wall template inner support and template inner support comprising cushion block |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323292039.9U CN221524001U (en) | 2023-12-05 | 2023-12-05 | Concrete cushion block for manufacturing culvert side wall template inner support and template inner support comprising cushion block |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221524001U true CN221524001U (en) | 2024-08-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323292039.9U Active CN221524001U (en) | 2023-12-05 | 2023-12-05 | Concrete cushion block for manufacturing culvert side wall template inner support and template inner support comprising cushion block |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221524001U (en) |
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2023
- 2023-12-05 CN CN202323292039.9U patent/CN221524001U/en active Active
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