CN103306432B - High-strength concrete cushion block and manufacturing method thereof - Google Patents
High-strength concrete cushion block and manufacturing method thereof Download PDFInfo
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- CN103306432B CN103306432B CN201310252991.8A CN201310252991A CN103306432B CN 103306432 B CN103306432 B CN 103306432B CN 201310252991 A CN201310252991 A CN 201310252991A CN 103306432 B CN103306432 B CN 103306432B
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- cushion block
- strength concrete
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Abstract
The invention discloses a high-strength concrete cushion block and a manufacturing method thereof. A transverse through hole, through which a transverse steel bar binding wire passes, is formed in the upper part of a cushion block main body; nose pipes are arranged at two ends of the transverse through hole respectively; nose tube through holes, through which nose pipe steel bar binding wires pass, are formed in the nose pipes; the transverse through hole and the nose pipes are all positioned above a net steel bar protection layer of the cushion block main body. The manufacturing method comprises the following steps of: presetting a mould corresponding to the cushion block main body in structure, filling the mould with prefabricated high-strength concrete, standing for 3-6 hours, curing, and manually demoulding to obtain the high-strength concrete cushion block. According to the high-strength concrete cushion block, the special transverse through hole and nose pipe through holes are formed, and the steel bar binding wires are arranged outside the thickness of the net steel bar protection layer on the cushion block main body, so that the phenomenon of misjudgment of a detection instrument can be effectively avoided, the detection accuracy can be improved, and the construction quality and efficiency can be improved; the cushion block main body is directly formed by the high-strength concrete, so that the overall strength can be effectively improved and the cushion block is firm and durable.
Description
Technical field
The present invention relates to concrete pad field for building, particularly a kind of high-strength concrete cushion block and preparation method thereof.
Background technology
Concrete pad is cushion block of concrete bar protective layer again, is in brick mix structure and in frame structure, is placed between reinforcing bar and template, fixing reinforcement location, the effect be corroded in order to prevent reinforcing steel bars exposed, is to solve reinforcing bar to fix conventional way.At present, the concrete pad that building trade is general is be embedded in cushion block by reinforced bar fasten yarn mostly, or at below system one through hole of reinforcing bar pad holder recess, then reinforced bar fasten yarn is tied up through through hole and steel reinforcement cage body.Because tied silk is in the scope of the clean protective layer of reinforcing bar, when the clean thickness of detection cover to reinforcement, first detection instrument can detect tied silk and think that the clean thickness of cover to reinforcement is undesirable by mistake, and the phenomenon of detection instrument erroneous judgement is a lot, affects construction and carries out.In addition, cushion block general is at present generally cement mortar bedding block or plastic cushion, and its intensity and adhesion are all poor, easily occurs phenomenon that is cracked or slight crack, can bring more potential safety hazard in the process of transporting or use after building.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, provide a kind of high-strength concrete cushion block, when the cushion block of this structure coordinates detection instrument to detect, its accuracy rate is high, effectively can avoid the phenomenon judged by accident.
Another object of the present invention is to the preparation method that a kind of above-mentioned high-strength concrete cushion block is provided.
Technical scheme of the present invention is: a kind of high-strength concrete cushion block, and cushion block body top is provided with the cross through hole passed for transverse steel tied silk, and cross through hole two ends are respectively equipped with nasal tube, with the nasal tube through hole passed for nasal tube reinforced bar fasten yarn in nasal tube; Cross through hole and nasal tube are all positioned at above the clean protective layer of reinforcing bar 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, and recess and cross through hole are mutually vertical to be arranged.
The degree of depth of described recess is more than or equal to the degree of depth residing for cross through hole central shaft.
Described cushion block main body both sides have ditch, and Liang Ge road ditch lays respectively at below corresponding nasal tube, and as Dao Gou top bottom nasal tube, road ditch extends cushion block bottom part body outside cushion block main body.
This high-strength concrete cushion block can determine its volume, shape, outward appearance and size etc. in the application according to actual needs.
A kind of preparation method for above-mentioned high-strength concrete cushion block of the present invention, comprises the following steps:
(1) mould corresponding to cushion block agent structure is preset;
(2) in mould, load prefabricated strong concrete, then place and be cured for 3 ~ 6 hours;
(3), after having solidified, by the artificial demoulding, high-strength concrete cushion block is made;
In step (2), strong concrete is prefabricated by the following method: after each material component mixing of strong concrete, adding water and putting into mixer is uniformly mixed 1 ~ 3 minute;
Each material component and mass ratio as follows: portland cement 100 parts, medium sand 100 parts, rubble 200 parts, organic polymer additive 2 parts, fibrous material 0.6 part; The quality added water accounts for 15% of the rear strong concrete gross mass of mixing.
Described fibrous material is one or more in biological fiber, string, staple fibre, synthetic fibers or steel fibre.
Described fibrous material is glass fibre, and organic polymer additive is that glue is brilliant, and the diameter of rubble is 3 ~ 5mm.
The present invention, relative to prior art, has following beneficial effect:
This high-strength concrete cushion block is by arranging special cross through hole and nasal tube through hole; transverse steel tied silk and nasal tube reinforced bar fasten yarn is made to have fixing installation site; reinforced bar fasten yarn is located at outside the thickness of the clean protective layer of reinforcing bar in cushion block main body; the phenomenon that can effectively avoid detecting instrument to judge by accident; improve the accuracy rate that it detects, 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 improves its bulk strength, sturdy and durable.By the high-strength concrete cushion block that preparation method of the present invention is obtained, its corrosion resistance, non-oxidizability are all good than traditional cushion block, and service 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 architectural engineering; The organic polymer additive added in strong concrete has the feature of early strengthening and high strengthening, ungauged regions, anti-segregation, energy low-temperature construction, can be combined well, thus improve concrete performance with concrete.
In addition, the scope of application of this high-strength concrete cushion block is comparatively wide, is comparatively leading high-performance, the high-strength concrete cushion block in current high ferro, road, bridge and building construction field, has good security, dependable with function.
Accompanying drawing explanation
Fig. 1 is the structural representation of this high-strength concrete cushion block.
Fig. 2 is the A direction view of Fig. 1.
Fig. 3 is the B direction view of Fig. 1.
Detailed description of the invention
Below in conjunction with embodiment and accompanying drawing, the present invention is described in further detail, but embodiments of the present invention are not limited thereto.
Embodiment 1
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 passed for transverse steel tied silk 7, and cross through hole two ends are respectively equipped with nasal tube, with the nasal tube through hole 3 passed for nasal tube reinforced bar fasten yarn 8 in nasal tube; Cross through hole and nasal tube are all positioned at above the clean protective layer 4 of reinforcing bar 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, and recess and cross through hole are mutually vertical to be arranged.
The degree of depth of recess is more than or equal to the degree of depth residing for cross through hole central shaft.
Cushion block main body both sides have ditch 6, Liang Ge road ditch and lay respectively at below corresponding nasal tube, and as Dao Gou top bottom nasal tube, road ditch extends cushion block bottom part body outside cushion block main body.
This high-strength concrete cushion block can determine its volume, shape, outward appearance and size etc. in the application according to actual needs.
The preparation method of above-mentioned row's high-strength concrete cushion block is: first preset the mould corresponding to cushion block agent structure; In mould, load prefabricated strong concrete, then place and be cured for 3 ~ 6 hours; After having solidified, by the artificial demoulding, make high-strength concrete cushion block.
Wherein, the strong concrete concrete material that market can be adopted general.
Embodiment 2
A kind of high-strength concrete cushion block of the present embodiment, compared with embodiment 1, its difference is, the preparation method of high-strength concrete cushion block, comprises the following steps:
(1) mould corresponding to cushion block agent structure is preset;
(2) in mould, load prefabricated strong concrete, then place and be cured for 3 ~ 6 hours;
(3), after having solidified, by the artificial demoulding, high-strength concrete cushion block is made;
In step (2), strong concrete is prefabricated by the following method: after each material component mixing of strong concrete, adding water and putting into mixer is uniformly mixed 1 ~ 3 minute;
Each material component and mass ratio as follows: portland cement 100 parts, medium sand 100 parts, rubble 200 parts, organic polymer additive 2 parts, fibrous material 0.6 part; The quality added water accounts for 15% of the rear strong concrete gross mass of mixing.
Wherein, fibrous material adopts one or more in biological fiber, string, staple fibre, synthetic fibers or steel fibre.
In the present embodiment, portland cement adopts 42.5R portland cement, and fibrous material adopts glass fibre, the 0# glue crystal B-type that organic polymer additive adopts Beijing Huaqian New Technology Co., Ltd. to produce, and rubble adopts diameter to be the rubble of 3 ~ 5mm.
Wherein, 0# glue crystal B-type owing to having following characteristics as the optimum organic polymer additive making an addition to strong concrete in the present embodiment.Its feature comprises: (1) early strengthening and high strengthening: can realize 2 hours compression strength >=20MPa, 1 day compression strength >=20MPa, 3 days compression strength >=40MPa and 28 day compression strength >=60MPa; (2) self drainage: fluidity >=300mm can be realized, and have the good retention time; (3) ungauged regions: the cement mortar of adding 0# glue crystalline substance possesses certain microdilatancy performance, can preferentially resist and compensate the shrinkage phenomenon because hardening of cement produces and cracking phenomena 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, effectively prevent in site operation because habituation adds water on the high side or improper the caused various construction quality problems of maintenance; (5) low-temperature construction: the cement mortar of adding 0# glue crystalline substance can be constructed under the environment temperature of-10 DEG C.
As mentioned above, just can realize the present invention preferably, above-described embodiment is only preferred embodiment of the present invention, is not used for limiting practical range of the present invention; Namely all equalizations done according to content of the present invention change and modify, all by the claims in the present invention scope required for protection is contained.
Claims (8)
1. a high-strength concrete cushion block, is characterized in that, cushion block body top is provided with the cross through hole passed for transverse steel tied silk, and cross through hole two ends are respectively equipped with nasal tube, with the nasal tube through hole passed for nasal tube reinforced bar fasten yarn in nasal tube; Cross through hole and nasal tube are all positioned at above the clean protective layer of reinforcing bar of cushion block main body.
2. a kind of high-strength concrete cushion block according to claim 1, it 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, it is characterized in that, described cushion block end face has recess, and recess is semi-cylindrical, and recess and cross through hole are mutually vertical to be arranged.
4. a kind of high-strength concrete cushion block according to claim 3, it is characterized in that, the degree of depth of described recess is more than or equal to the degree of depth residing for cross through hole central shaft.
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 ditch, and Liang Ge road ditch lays respectively at below corresponding nasal tube, as Dao Gou top bottom nasal tube, road ditch extends cushion block bottom part body outside cushion block main body.
6., for a preparation method for high-strength concrete cushion block described in any one of Claims 1 to 5, it is characterized in that, comprise the following steps:
(1) mould corresponding to cushion block agent structure is preset;
(2) in mould, load prefabricated strong concrete, then place and be cured for 3 ~ 6 hours;
(3), after having solidified, by the artificial demoulding, high-strength concrete cushion block is made;
In step (2), strong concrete is prefabricated by the following method: after each material component mixing of strong concrete, adding water and putting into mixer is uniformly mixed 1 ~ 3 minute;
Each material component and mass ratio as follows: portland cement 100 parts, medium sand 100 parts, rubble 200 parts, organic polymer additive 2 parts, fibrous material 0.6 part; The quality added water accounts for 15% of the rear strong concrete gross mass of mixing.
7. the preparation method of a kind of high-strength concrete cushion block according to claim 6, is characterized in that, described fibrous material is one or more in biological fiber, staple fibre, synthetic fibers or steel fibre.
8. the preparation method of a kind of high-strength concrete cushion block according to claim 6, it is characterized in that, described fibrous material is glass fibre, and organic polymer additive is that glue is brilliant, and the diameter of rubble is 3 ~ 5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310252991.8A CN103306432B (en) | 2013-06-24 | 2013-06-24 | High-strength concrete cushion block and manufacturing method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310252991.8A CN103306432B (en) | 2013-06-24 | 2013-06-24 | High-strength concrete cushion block and manufacturing method thereof |
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| CN103306432A CN103306432A (en) | 2013-09-18 |
| CN103306432B true CN103306432B (en) | 2015-04-29 |
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| CN201310252991.8A Expired - Fee Related CN103306432B (en) | 2013-06-24 | 2013-06-24 | High-strength concrete cushion block and manufacturing method thereof |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104072067B (en) * | 2014-07-17 | 2015-07-08 | 桓台县果里镇常沣建材经销处 | Concrete building support component and preparation technology thereof |
| CN106079049A (en) * | 2016-08-09 | 2016-11-09 | 江苏工程职业技术学院 | The pouring mould and pour using method of a kind of board-like concrete reinforcement locating piece |
| CN108556120A (en) * | 2017-12-18 | 2018-09-21 | 中冶天工集团有限公司 | A kind of production method for thin-walled square chest construction dedicated bearer cushion block |
| CN111285644A (en) * | 2018-12-06 | 2020-06-16 | 中国建筑第八工程局有限公司 | High-strength radiation-proof concrete protective layer cushion block material |
| CN109555273A (en) * | 2019-01-07 | 2019-04-02 | 广东水电二局股份有限公司 | A kind of high performance cement base cushion block and its manufacturing method |
| CN111959854B (en) * | 2020-08-04 | 2022-05-17 | 湖南嘉悦建设有限公司 | Reinforcing bar pad bundling device for building |
| CN112123523A (en) * | 2020-08-25 | 2020-12-25 | 五冶集团上海有限公司 | Manufacturing method of double-layer bidirectional concrete cushion block mold |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE838774A (en) * | 1975-02-20 | 1976-06-16 | SPACING ELEMENT FITTED WITH A CLAMPING DEVICE, IN PARTICULAR SPACING ELEMENT CONSISTING OF CAST, PRESSED AND COMPRESSED MATERIALS, FOR EXAMPLE CONCRETE, ASBESTOS OR SIMILAR MATERIALS | |
| CN2474633Y (en) * | 2001-05-05 | 2002-01-30 | 朱新伟 | Concrete protective layer cushion block for reinforced steel bar |
| CN1439787A (en) * | 2002-02-23 | 2003-09-03 | 赵鸿濬 | Quick adhering wall spacer |
| CN202672497U (en) * | 2012-06-21 | 2013-01-16 | 葛洲坝集团第二工程有限公司 | Concrete cover cushion block |
| CN203420408U (en) * | 2013-06-24 | 2014-02-05 | 徐金盛 | High-strength concrete cushion block |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002332714A (en) * | 2001-05-10 | 2002-11-22 | Ishikawajima Constr Materials Co Ltd | Reinforcement spacer |
-
2013
- 2013-06-24 CN CN201310252991.8A patent/CN103306432B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE838774A (en) * | 1975-02-20 | 1976-06-16 | SPACING ELEMENT FITTED WITH A CLAMPING DEVICE, IN PARTICULAR SPACING ELEMENT CONSISTING OF CAST, PRESSED AND COMPRESSED MATERIALS, FOR EXAMPLE CONCRETE, ASBESTOS OR SIMILAR MATERIALS | |
| CN2474633Y (en) * | 2001-05-05 | 2002-01-30 | 朱新伟 | Concrete protective layer cushion block for reinforced steel bar |
| CN1439787A (en) * | 2002-02-23 | 2003-09-03 | 赵鸿濬 | Quick adhering wall spacer |
| CN202672497U (en) * | 2012-06-21 | 2013-01-16 | 葛洲坝集团第二工程有限公司 | Concrete cover cushion block |
| CN203420408U (en) * | 2013-06-24 | 2014-02-05 | 徐金盛 | High-strength concrete cushion block |
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| CN103306432A (en) | 2013-09-18 |
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