CN203420408U - High-strength concrete cushion block - Google Patents
High-strength concrete cushion block Download PDFInfo
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- CN203420408U CN203420408U CN201320364263.1U CN201320364263U CN203420408U CN 203420408 U CN203420408 U CN 203420408U CN 201320364263 U CN201320364263 U CN 201320364263U CN 203420408 U CN203420408 U CN 203420408U
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- cushion block
- strength concrete
- hole
- nasal tube
- main body
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Abstract
The utility model discloses a high-strength concrete cushion block. A transverse through hole for allowing a transverse reinforcement wire to pass is formed in the upper part of a main cushion block body, nasal tubes are arranged at two ends of the transverse through hole respectively, and nasal tube through holes for allowing nasal tube reinforcement wires to pass are formed in the nasal tubes; and the transverse through hole and the nasal tubes are located above a reinforcement protection layer of the main cushion block body. A manufacturing method comprises the steps as follows: a mold corresponding to the main cushion block body structure is pre-arranged; then, precast high-strength concrete is charged in the mold and placed for 3-6 hours for curing; and manual demoulding is performed to manufacture the high-strength concrete cushion block. According to the high-strength concrete cushion block, the special transverse through hole and nasal tube through holes are formed, so that the reinforcement wires are arranged outside the thickness of the reinforcement protection layer on the main cushion block body, the phenomenon of misjudgment of a detecting instrument can be effectively avoided, the detection accuracy rate is increased, and construction quality and efficiency are improved; and besides, the main cushion block body is directly formed by adopting the high-strength concrete, the overall strength of the main cushion block body can be effectively improved, and sturdiness and durability are achieved.
Description
Technical field
The utility model relates to concrete pad field for building, particularly a kind of high-strength concrete cushion block.
Background technology
Concrete pad is again cushion block of concrete bar protective layer, is in brick mix structure and in frame construction, be placed between reinforcing bar and template, and fixing reinforcement location, the effect being corroded in order to prevent reinforcing steel bars exposed, is to solve the fixing conventional way of reinforcing bar.At present, the concrete pad that building trade is general is that reinforced bar fasten yarn is embedded in cushion block mostly, or makes a through hole below reinforcing bar pad holder recess, then reinforced bar fasten yarn is tied up through through hole and reinforcing cage body.Because tied silk is in the scope of the clean topping of reinforcing bar, when detecting the clean thickness of reinforcement cover, first detection instrument can detect tied silk and think that the clean thickness of reinforcement cover is undesirable by mistake, and the phenomenon of detection instrument erroneous judgement is a lot, and impact construction is carried out.In addition, general cushion block is generally cement mortar bedding block or plastic cushion at present, and its intensity and material cohesive are all poor, easily occurs the phenomenon of cracked or slight crack, for bringing more potential safety hazard after building in the process of transportation or use.
Utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, and a kind of high-strength concrete cushion block is provided, and when the cushion block of this structure coordinates detection instrument to detect, its accuracy rate is high, can effectively avoid the phenomenon of erroneous judgement.
The technical solution of the utility model is: a kind of high-strength concrete cushion block, and cushion block main body top is provided with the cross through hole passing for transverse reinforcement tied silk, and cross through hole two ends are respectively equipped with nasal tube, the interior nasal tube through hole with passing for nasal tube reinforced bar fasten yarn of nasal tube; Cross through hole and nasal tube are all positioned at the clean topping of the reinforcing bar top of cushion block main body.
Described cushion block main body is the integral structure that strong concrete is made.
Described cushion block end face has recess, and recess is semi-cylindrical, recess and cross through hole vertical setting mutually.
The degree of depth of described recess is more than or equal to the residing degree of depth of cross through hole central axis.
Described cushion block main body both sides have Gou，Liang Ge road ditch and lay respectively at corresponding nasal tube below, and nasal tube bottom is as Dao Gou top, and road ditch extends cushion block bottom part body along cushion block main body outside.
This high-strength concrete cushion block can be determined according to actual needs its volume, shape, outward appearance and size etc. in application.
A kind of preparation method for above-mentioned high-strength concrete cushion block of the utility model, comprises the following steps:
(1) the default and corresponding mould of cushion block agent structure;
(2) in mould, pack prefabricated strong concrete into, then place and be cured for 3～6 hours;
(3), after having solidified, by the artificial demoulding, make high-strength concrete cushion block;
In step (2), strong concrete is prefabricated by the following method: after each material component of strong concrete is mixed, add water and put into mixer and be uniformly mixed 1～3 minute;
Each material component and mass ratio thereof are as follows: 100 parts of portland cements, 100 parts of medium sands, 200 parts of rubbles, 2 parts of organic polymer additives, 0.6 part of fibrous material; Add water quality account for mix after strong concrete gross mass 15%.
Described fibrous material is one or more in biological fiber, string, artificial fiber, synthetic fibers or steel fibre.
Described fibrous material is glass fiber, and organic polymer additive is that glue is brilliant, and the diameter of rubble is 3～5mm.
The utility model, with respect to prior art, has following beneficial effect:
This high-strength concrete cushion block is by arranging special-purpose cross through hole and nasal tube through hole; make transverse reinforcement tied silk and nasal tube reinforced bar fasten yarn have fixing installation site; reinforced bar fasten yarn is located at outside the thickness of the clean topping of reinforcing bar in cushion block main body; can effectively avoid the phenomenon of detecting instrument erroneous judgement; improve the accuracy rate of its detection, improve construction quality and efficiency.
The cushion block main body of this high-strength concrete cushion block adopts strong concrete straight forming, is different from the making of traditional cushion block, can effectively improve its bulk strength, sturdy and durable.The high-strength concrete cushion block making by the utility model preparation method, its corrosion resistance, non-oxidizability are all good than traditional cushion block, and application life is also longer; Owing to adopting strong concrete straight forming, its cost of manufacture is also lower, is applicable to a large amount of uses of construction work; The organic polymer additive adding in strong concrete has the feature of early strengthening and high strengthening, nothing contraction, anti-segregation, energy low-temperature construction, can be combined well with concrete, thereby improve concrete performance.
In addition, the scope of application of this high-strength concrete cushion block is wider, is current high ferro, road, bridge and building construction field comparatively leading high-performance, high-strength concrete cushion block, has good safety, dependable with function.
Accompanying drawing explanation
Fig. 1 is the structural representation of this high-strength concrete cushion block.
Fig. 2 is that the A of Fig. 1 is to view.
Fig. 3 is that the B of Fig. 1 is to view.
The specific embodiment
Below in conjunction with embodiment and accompanying drawing, the utility model is described in further detail, but embodiment of the present utility model is not limited to this.
A kind of high-strength concrete cushion block of the present embodiment, its structure as shown in Figures 1 to 3, cushion block main body 1 top is provided with the cross through hole 2 passing for transverse reinforcement tied silk 7, and cross through hole two ends are respectively equipped with nasal tube, the interior nasal tube through hole 3 with passing for nasal tube reinforced bar fasten yarn 8 of nasal tube; Cross through hole and nasal tube are all positioned at the clean topping of reinforcing bar 4 tops of cushion block main body.
Cushion block main body is the integral structure that strong concrete is made.
Cushion block end face has recess 5, and recess is semi-cylindrical, recess and cross through hole vertical setting mutually.
The degree of depth of recess is more than or equal to the residing degree of depth of cross through hole central axis.
Cushion block main body both sides have ditch 6 ，Liang Ge road ditches and lay respectively at corresponding nasal tube below, and nasal tube bottom is as Dao Gou top, and road ditch extends cushion block bottom part body along cushion block main body outside.
This high-strength concrete cushion block can be determined according to actual needs its volume, shape, outward appearance and size etc. in application.
The preparation method of above-mentioned row's high-strength concrete cushion block is: first preset and the corresponding mould of cushion block agent structure; In mould, pack prefabricated strong concrete into, then place and be cured for 3～6 hours; After having solidified, by the artificial demoulding, make high-strength concrete cushion block.
Wherein, strong concrete can adopt the general concrete material in market.
A kind of high-strength concrete cushion block of the present embodiment, compares with embodiment 1, and its difference is, the preparation method of high-strength concrete cushion block, comprises the following steps:
(1) the default and corresponding mould of cushion block agent structure;
(2) in mould, pack prefabricated strong concrete into, then place and be cured for 3～6 hours;
(3), after having solidified, by the artificial demoulding, make high-strength concrete cushion block;
In step (2), strong concrete is prefabricated by the following method: after each material component of strong concrete is mixed, add water and put into mixer and be uniformly mixed 1～3 minute;
Each material component and mass ratio thereof are as follows: 100 parts of portland cements, 100 parts of medium sands, 200 parts of rubbles, 2 parts of organic polymer additives, 0.6 part of fibrous material; Add water quality account for mix after strong concrete gross mass 15%.
Wherein, fibrous material adopts one or more in biological fiber, string, artificial fiber, synthetic fibers or steel fibre.
In the present embodiment, portland cement adopts 42.5R portland cement, and fibrous material adopts glass fiber, the 0# glue crystal B-type that organic polymer additive adopts Beijing Hua Qian Technew SA to produce, and rubble adopts the rubble that diameter is 3～5mm.
Wherein, 0# glue crystal B-type owing to thering is following characteristics as the optimum organic polymer additive that makes an addition to strong concrete in the present embodiment.Its feature comprises: (1) early strengthening and high strengthening: can realize 2 hours compressive strength >=20MPa, 1 day compressive strength >=20MPa, 3 days compressive strength >=40MPa and 28 days compressive strength >=60MPa; (2) self drainage: can realize degree of mobilization >=300mm, and have the good retention time; (3) without shrinking: the cement mortar of adding 0# glue crystalline substance possesses certain microdilatancy performance, can preferentially resist and compensate shrinkage phenomenon and the cracking phenomena producing because of hardening of cement in cement mortar hardening process; (4) anti-segregation: the cement mortar of adding 0# glue crystalline substance can realize large fluidised form and keep viscosity higher, has effectively avoided in site operation adding on the high side or improper the caused various construction quality problems of maintenance of water because of habituation; (5) low-temperature construction: the cement mortar of adding 0# glue crystalline substance can be constructed under the environment temperature of-10 ℃.
As mentioned above, just can realize preferably the utility model, above-described embodiment is only preferred embodiment of the present utility model, is not used for limiting practical range of the present utility model; Be that all equalizations of doing according to the utility model content change and modify, all by the utility model claim scope required for protection, contained.
Claims (5)
1. a high-strength concrete cushion block, is characterized in that, cushion block main body top is provided with the cross through hole passing for transverse reinforcement tied silk, and cross through hole two ends are respectively equipped with nasal tube, the interior nasal tube through hole with passing for nasal tube reinforced bar fasten yarn of nasal tube; Cross through hole and nasal tube are all positioned at the clean topping of the reinforcing bar top of cushion block main body.
2. a kind of high-strength concrete cushion block according to claim 1, is characterized in that, described cushion block main body is the integral structure that strong concrete is made.
3. a kind of high-strength concrete cushion block according to claim 1, is characterized in that, described cushion block end face has recess, and recess is semi-cylindrical, the vertical setting mutually of recess and cross through hole.
4. a kind of high-strength concrete cushion block according to claim 3, is characterized in that, the degree of depth of described recess is more than or equal to the residing degree of depth of cross through hole central axis.
5. a kind of high-strength concrete cushion block according to claim 1, it is characterized in that, described cushion block main body both sides have Gou，Liang Ge road ditch and lay respectively at corresponding nasal tube below, nasal tube bottom is as Dao Gou top, and road ditch extends cushion block bottom part body along cushion block main body outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320364263.1U CN203420408U (en) | 2013-06-24 | 2013-06-24 | High-strength concrete cushion block |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320364263.1U CN203420408U (en) | 2013-06-24 | 2013-06-24 | High-strength concrete cushion block |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203420408U true CN203420408U (en) | 2014-02-05 |
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ID=50019508
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320364263.1U Expired - Lifetime CN203420408U (en) | 2013-06-24 | 2013-06-24 | High-strength concrete cushion block |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203420408U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103306432A (en) * | 2013-06-24 | 2013-09-18 | 徐金盛 | High-strength concrete cushion block and manufacturing method thereof |
-
2013
- 2013-06-24 CN CN201320364263.1U patent/CN203420408U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103306432A (en) * | 2013-06-24 | 2013-09-18 | 徐金盛 | High-strength concrete cushion block and manufacturing method thereof |
| CN103306432B (en) * | 2013-06-24 | 2015-04-29 | 徐金盛 | High-strength concrete cushion block and manufacturing method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140205 Effective date of abandoning: 20150429 |