CN111101654A - Combined cast-in-situ reinforced concrete structure protective layer cushion block and use method thereof - Google Patents
Combined cast-in-situ reinforced concrete structure protective layer cushion block and use method thereof Download PDFInfo
- Publication number
- CN111101654A CN111101654A CN202010115724.6A CN202010115724A CN111101654A CN 111101654 A CN111101654 A CN 111101654A CN 202010115724 A CN202010115724 A CN 202010115724A CN 111101654 A CN111101654 A CN 111101654A
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- Prior art keywords
- cushion block
- protective layer
- concrete structure
- reinforced concrete
- cushion
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- 239000011241 protective layer Substances 0.000 title claims abstract description 35
- 239000011150 reinforced concrete Substances 0.000 title claims abstract description 26
- 238000000034 method Methods 0.000 title claims abstract description 17
- 238000011065 in-situ storage Methods 0.000 title description 2
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims abstract description 21
- 230000002787 reinforcement Effects 0.000 claims abstract description 7
- 238000009434 installation Methods 0.000 claims abstract description 4
- 239000004567 concrete Substances 0.000 claims description 7
- 238000010276 construction Methods 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 238000012423 maintenance Methods 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 claims 1
- 210000002435 tendon Anatomy 0.000 claims 1
- 238000011282 treatment Methods 0.000 claims 1
- 238000004804 winding Methods 0.000 claims 1
- 230000003014 reinforcing effect Effects 0.000 abstract description 4
- 238000009435 building construction Methods 0.000 abstract description 2
- 125000006850 spacer group Chemical group 0.000 description 4
- 229920003023 plastic Polymers 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 239000011513 prestressed concrete Substances 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/16—Auxiliary parts for reinforcements, e.g. connectors, spacers, stirrups
- E04C5/168—Spacers connecting parts for reinforcements and spacing the reinforcements from the form
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/16—Auxiliary parts for reinforcements, e.g. connectors, spacers, stirrups
- E04C5/20—Auxiliary parts for reinforcements, e.g. connectors, spacers, stirrups of material other than metal or with only additional metal parts, e.g. concrete or plastics spacers with metal binding wires
- E04C5/203—Circular and spherical spacers
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Reinforcement Elements For Buildings (AREA)
Abstract
The invention discloses a combined type cast-in-place reinforced concrete structure protective layer cushion block and a using method thereof, belonging to the field of building construction articles. Including cushion main part, ligature groove, reinforcing bar hole, reinforcing bar, the cushion main part includes: main cushion, vice cushion. The main reinforcement or the stirrup of the reinforced concrete structure is padded by using the main cushion block and the auxiliary cushion block, and the binding groove is wound by the binding wire to be firmly bound, so that the thickness of the protective layer of the reinforced concrete structure is controlled. Even if the inner diameter of the reinforcing steel bar hole is larger than the nominal diameter of the reinforcing steel bar, the fixing can be realized by adjusting the size of the auxiliary cushion block. The invention has the advantages of flexible size adjustment, simple and convenient installation, easy operation by constructors and high stability. Even if the protective layer is disturbed, the thickness of the protective layer cannot be influenced by the position deviation, and the consistency of the thickness of the protective layer is ensured.
Description
Technical Field
The invention belongs to the field of building construction products, and particularly relates to a combined cast-in-place reinforced concrete structure protective layer cushion block and a use method thereof.
Background
In the existing building and bridge engineering, the mode of bundling cushion blocks and reinforcing steel bars is generally adopted for controlling the thickness of a protective layer of a reinforced concrete structure or a prestressed concrete structure, so that the effects of controlling the thickness of the protective layer and protecting the reinforcing steel bars in the protective layer from being corroded are realized. The concrete cushion block can not well fix the steel bars and the cushion block, and the position deviation and even the falling of the cushion block are easy to occur, so that the bearing capacity limit or the durability of the structure is influenced.
The existing cushion block of the protective layer of the reinforced concrete structure is mostly made of plastics, and is widely used due to low price and light weight. In a reinforced concrete structure, the stressed parts are mainly steel bars and concrete, wherein the steel bars are mainly stressed in tension and the concrete is mainly stressed in compression. However, since the surface of the plastic is hydrophobic and does not infiltrate the gel material, the interface joint between the plastic and the gel material is weak, thereby causing the strength reduction of the reinforced concrete structure.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a combined cast-in-place reinforced concrete structure protective layer cushion block and a use method thereof.
In order to achieve the purpose, the technical scheme provided by the invention is as follows: a combined cast-in-place reinforced concrete structure protective layer cushion block and a use method thereof are characterized in that: cushion main part, ligature groove, reinforcing bar hole, reinforcing bar, the cushion main part includes: main cushion, vice cushion.
The invention uses the main cushion block and the auxiliary cushion block to cushion the main reinforcement or the stirrup of the reinforced concrete structure, thereby realizing the control of the thickness of the protective layer of the reinforced concrete structure.
Furthermore, the cushion block main body is formed by pouring concrete, and the appearance of the cushion block main body is of an annular structure.
Furthermore, the binding grooves are formed in the outer side of the cushion block main body, and the main cushion block and the auxiliary cushion block are bound into a whole through binding wires during construction.
Further, the reinforcing steel bar hole is formed in the center of the cushion block main body.
Furthermore, the size of the reinforcing steel bar hole can be flexibly adjusted, and even if the inner diameter of the reinforcing steel bar hole is larger than the nominal diameter of the reinforcing steel bar, the reinforcing steel bar hole can be fixed by adjusting the size of the auxiliary cushion block.
The invention has the advantages that: the installation is simple and convenient, the operation of constructors is easy, and the stability is improved. When the protective layer is disturbed, the thickness of the protective layer is not influenced even if the position deviation occurs, and the consistency of the thickness of the protective layer is ensured.
Drawings
Fig. 1 is an overall schematic view of a combined cast-in-place reinforced concrete structure protective layer cushion block and a using method thereof.
Fig. 2 is a schematic view of a combined cast-in-place reinforced concrete structure protective layer spacer and a first embodiment of a using method.
Fig. 3 is a schematic view of a combined cast-in-place reinforced concrete structure protective layer spacer and a using method thereof according to a second embodiment.
Labeled as: the cushion block comprises a cushion block main body 1, a main cushion block 2, an auxiliary cushion block 3, a binding groove 4, a reinforcing steel bar hole 5 and a reinforcing steel bar 6.
Detailed Description
The invention is further described with reference to the following figures and detailed description.
A combined cast-in-place reinforced concrete structure protective layer cushion block and a using method thereof are characterized by comprising the following steps: the cushion block comprises a cushion block main body 1, binding grooves 4, reinforcing steel bar holes 5 and reinforcing steel bars 6; the cushion block main body includes: a main cushion block 2 and an auxiliary cushion block 3.
Fig. 2 is a schematic view showing a first embodiment of a combined cast-in-place reinforced concrete structure protective layer spacer and a method for using the same, which is mainly applied to a case where the inner diameter of a reinforcement hole 5 is approximately equal to the nominal diameter of a reinforcement 6.
During actual construction, firstly, the reinforcing steel bars 6 are placed in the reinforcing steel bar holes 5 formed in the centers of the main cushion blocks 2, then the auxiliary cushion blocks 3 are placed at the notches of the main cushion blocks 2, and the auxiliary cushion blocks and the binding grooves are wound by 2-3 circles at the binding grooves 4 by using binding wires until the binding is firm and the binding is not shaken to fall off, namely the implementation of the first implementation mode is finished.
Fig. 3 is a schematic view showing a second embodiment of a combined cast-in-place reinforced concrete structure protective layer spacer and a method for using the same, which is mainly suitable for the case where the inner diameter of the reinforcement hole 5 is larger than the nominal diameter of the reinforcement 6.
During actual construction, firstly, the reinforcing steel bars 6 are placed in reinforcing steel bar holes 5 formed in the centers of the main cushion blocks 2, then auxiliary cushion blocks 3 with slightly larger thickness of the protective layer are selected to be properly trimmed, the tops of one ends of the reinforcing steel bar holes 5 of the auxiliary cushion blocks 3 are trimmed until the reinforcing steel bars 6 can be tightly pressed, the auxiliary cushion blocks are placed at notches of the main cushion blocks 2, and the auxiliary cushion blocks and the binding grooves are wound by binding wires for 2-3 circles at the binding grooves 4 until the binding is firm and cannot fall off after shaking, namely the implementation of the second implementation mode is finished.
The invention has simple installation, is easy to operate by constructors, improves the stability of the cushion block and has great improvement compared with the traditional cushion block. When the protective layer is disturbed, the thickness of the protective layer is not influenced even if the position deviation occurs, and the consistency of the thickness of the protective layer is ensured.
It is to be understood that the foregoing general principles, features and advantages of the invention have been described herein for purposes of illustration only and are not to be construed as limiting the embodiments of the invention, which is defined by the following claims. It should be noted that those skilled in the art should also realize that such alternative or equivalent arrangements are within the scope of the present invention without departing from the spirit of the present invention.
Claims (5)
1. A combined cast-in-place reinforced concrete structure protective layer cushion block and a using method thereof are characterized by comprising the following steps: the cushion block comprises a cushion block main body 1, binding grooves 4, reinforcing steel bar holes 5 and reinforcing steel bars 6; the pad main body 1 includes: a main cushion block 2 and an auxiliary cushion block 3.
2. According to the claim 1, the main cushion block 2 and the auxiliary cushion block 3 are spliced into a whole and work together; the cushion block main body 1 is integrally formed by pouring concrete and is annular in shape.
3. According to the claim 1, the binding grooves 4 are arranged at the outer sides of the main cushion block 2 and the auxiliary cushion block 3, and are bound into a whole by binding wires during construction.
4. According to claim 1, the tendon hole 5 is provided at the center of the pad body 1.
5. The combined cast-in-place reinforced concrete structure protective layer cushion block and the using method thereof according to claims 1 to 4, characterized by comprising the following steps:
step 1: determining a steel bar 6 according to the design requirements of a construction drawing, and determining the thickness of a protective layer of a concrete structure, so as to determine the sizes of a corresponding main cushion block 2 and an auxiliary cushion block 3, and further manufacturing a corresponding cushion block main body 1;
step 2: clamping the steel bars 6 by using a main cushion block 2 and an auxiliary cushion block 3 of a selected combined cast-in-place reinforced concrete structure protective layer cushion block and a using method, and winding 2-3 circles of tie wires in the tie grooves 4 to tie firmly without shaking to obtain the finished installation;
and step 3: the cushion blocks of the combined cast-in-place reinforced concrete structure protective layer and the using method adopt an oblique cross arrangement mode, the distance between the horizontal direction and the longitudinal direction of each cushion block main body 1 meets the construction requirement of not more than 5 meters, and the cushion blocks are also arranged at the end parts of the cushion blocks, which are more than 3 meters away from the end parts of the beams, the plates and the columns;
and 4, step 4: hoisting a combined cast-in-place reinforced concrete structure protective layer cushion block bound with the method and a reinforcement cage bound with the combined cast-in-place reinforced concrete structure protective layer cushion block to a position corresponding to the structure;
and 5: and pouring concrete, and performing treatments such as vibration, trowelling, covering maintenance and the like according to corresponding regulations.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010115724.6A CN111101654A (en) | 2020-02-25 | 2020-02-25 | Combined cast-in-situ reinforced concrete structure protective layer cushion block and use method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010115724.6A CN111101654A (en) | 2020-02-25 | 2020-02-25 | Combined cast-in-situ reinforced concrete structure protective layer cushion block and use method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111101654A true CN111101654A (en) | 2020-05-05 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010115724.6A Pending CN111101654A (en) | 2020-02-25 | 2020-02-25 | Combined cast-in-situ reinforced concrete structure protective layer cushion block and use method thereof |
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| Country | Link |
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| CN (1) | CN111101654A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0827956A (en) * | 1994-07-12 | 1996-01-30 | Fujita Corp | W-spacer and wall thickness adjusting method using w-spacer |
| CN102363994A (en) * | 2011-11-11 | 2012-02-29 | 宿迁华夏建设(集团)工程有限公司 | Annular cushion block |
| CN205134753U (en) * | 2015-11-02 | 2016-04-06 | 梁宝 | Concrete protective layer cushion block for reinforced steel bar |
| CN205558050U (en) * | 2016-04-15 | 2016-09-07 | 中国建筑第六工程局有限公司 | Compound shear wall structure external wall insulation protective layer cushion |
| CN109469048A (en) * | 2018-11-16 | 2019-03-15 | 中交二公局第工程有限公司 | A kind of reinforcement cage structure containing insertable annular cushion block |
| CN212078449U (en) * | 2020-02-25 | 2020-12-04 | 辽宁工程技术大学 | Combined type protective layer cushion block of cast-in-situ reinforced concrete structure |
-
2020
- 2020-02-25 CN CN202010115724.6A patent/CN111101654A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0827956A (en) * | 1994-07-12 | 1996-01-30 | Fujita Corp | W-spacer and wall thickness adjusting method using w-spacer |
| CN102363994A (en) * | 2011-11-11 | 2012-02-29 | 宿迁华夏建设(集团)工程有限公司 | Annular cushion block |
| CN205134753U (en) * | 2015-11-02 | 2016-04-06 | 梁宝 | Concrete protective layer cushion block for reinforced steel bar |
| CN205558050U (en) * | 2016-04-15 | 2016-09-07 | 中国建筑第六工程局有限公司 | Compound shear wall structure external wall insulation protective layer cushion |
| CN109469048A (en) * | 2018-11-16 | 2019-03-15 | 中交二公局第工程有限公司 | A kind of reinforcement cage structure containing insertable annular cushion block |
| CN212078449U (en) * | 2020-02-25 | 2020-12-04 | 辽宁工程技术大学 | Combined type protective layer cushion block of cast-in-situ reinforced concrete structure |
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