CN108609920A - High temperature resistant radiation resistance concrete - Google Patents
High temperature resistant radiation resistance concrete Download PDFInfo
- Publication number
- CN108609920A CN108609920A CN201611142190.6A CN201611142190A CN108609920A CN 108609920 A CN108609920 A CN 108609920A CN 201611142190 A CN201611142190 A CN 201611142190A CN 108609920 A CN108609920 A CN 108609920A
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- CN
- China
- Prior art keywords
- high temperature
- temperature resistant
- radiation resistance
- resistance concrete
- resistant radiation
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Classifications
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
Abstract
The invention discloses a kind of high temperature resistant radiation resistance concrete, by percentage to the quality comprising：Cement 8~10%, miberal powder 5~10%, middle sand 29~32%, rubble 43~47%, water-reducing agent 0.1~0.2%, metallic fiber 0.25~0.8%, flyash 3.5~4%, silicon ash 0.09~1%, air entraining agent 0.004~0.006%, water 6~8%.Compared with the existing technology, high temperature resistant radiation resistance concrete of the present invention not only high temperature resistant, it is not easy to crack, and also radiation resistance and compression strength are high.The spentnuclear fuel Dry storage structure prepared using high temperature resistant radiation resistance concrete of the present invention can effectively export spentnuclear fuel decay heat, it is at subcritical state, the risk that significant decrease personnel are irradiated by radioactivity, and structure still maintains ideal mechanical strength under high temperature, radiation environment.
Description
Technical field
The invention belongs to technical field of nuclear power, it is more particularly related to a kind of high temperature resistant radiation resistance concrete.
Background technology
Currently, spentnuclear fuel Dry storage structure material mainly wants two kinds in the world：Metal material and concrete material.By
It is formed on the higher cost of metal material, concrete material obtains wide application at present.Spentnuclear fuel Dry storage structure master
The function is wanted to include：The decay heat of fuel assembly is exported, geometric configuration, shielding neutron and gamma-rays is kept, maintains irradiated fuel assembly
Subcritical state.Therefore, the concrete material for being used for spentnuclear fuel Dry storage structure needs the height of long-term 170 DEG C of tolerance or more
Temperature, tolerance 1 × 1015The neutron fluence of pvt and 107~108The gamma-ray irradiation intergal dose of Gy, and ensure that spentnuclear fuel dry method is store
It deposits structure and is in subcritical state.
But existing concrete material is typically only capable to 80 DEG C of temperature below of tolerance, common heat resistance concrete material
Heat resisting temperature has that mechanical strength is low with Radiation resistance characteristic difference up to 200 DEG C, and it is dry cannot to perform well in spentnuclear fuel
Method stores field.
In view of this, for solve spentnuclear fuel Dry storage field there is an urgent need to can be long-term it is necessory to provide one kind
The radiotolerant concrete material of high temperature resistant.
Invention content
It is an object of the invention to：Overcome the deficiencies of existing technologies, provide one kind can long-term high temperature resistant it is radiotolerant mixed
Solidifying soil.
In order to achieve the above-mentioned object of the invention, the present invention provides a kind of radiotolerant concrete of high temperature resistant, with quality percentage
Than meter, including：Cement 8~10%, miberal powder 5~10%, middle sand 29~32%, rubble 43~47%, water-reducing agent 0.1~0.2%,
Metallic fiber 0.25~0.8%, flyash 3.5~4%, silicon ash 0.09~1%, air entraining agent 0.004~0.006%, water 6~
8%.
As a kind of improvement of high temperature resistant radiation resistance concrete of the present invention, the cement is II cement of 52.5P ˙.
As a kind of improvement of high temperature resistant radiation resistance concrete of the present invention, the miberal powder is S95 grades of miberal powders.
As a kind of improvement of high temperature resistant radiation resistance concrete of the present invention, the rubble is limestone or basaltic broken stone.
As a kind of improvement of high temperature resistant radiation resistance concrete of the present invention, the water-reducing agent is polycarboxylate water-reducer, diminishing
Rate is more than 25%.
As a kind of improvement of high temperature resistant radiation resistance concrete of the present invention, the metallic fiber is steel fibre, length 16
~17mm, draw ratio are 63~70.
As a kind of improvement of high temperature resistant radiation resistance concrete of the present invention, the air entraining agent is rosin derivative or sulfonic acid
Salt.
As a kind of improvement of high temperature resistant radiation resistance concrete of the present invention, the air entraining agent be colophonium pyrolytic polymer, rosin soap,
Sodium alkyl sulfonate or sodium lignin sulfonate.
Compared with the existing technology, there is high temperature resistant using high temperature resistant radiation resistance concrete of the present invention, radiation resistance, be not easy out
It splits, many advantages, such as compression strength is high.
In addition, can effectively be exported using spentnuclear fuel Dry storage structure prepared by high temperature resistant radiation resistance concrete of the present invention
Spentnuclear fuel decay heat, is at subcritical state, the risk that the personnel of significant decrease are irradiated by radioactivity, and structure exists
Ideal mechanical strength is still maintained under high temperature, radiation environment.
Specific implementation mode
In order to make goal of the invention, technical solution and its advantageous effects of the present invention be more clear, below in conjunction with specific
Embodiment, the present invention will be described in further detail.It should be understood that specific embodiment party described in this specification
Formula is not intended to limit the present invention just for the sake of explaining the present invention.
Embodiment 1
1 high temperature resistant radiation resistance concrete of the embodiment of the present invention, including：Cement 9.0kg, miberal powder 10.0kg, silicon ash 0.6kg,
Flyash 4.0kg, middle sand 32.0kg, limestone gravel 47.5kg, high-efficiency polycarboxylic acid water reducer 0.15kg, colophonium pyrolytic polymer
5.0g, metallic fiber 0.28kg, water 6.7kg.
Wherein, miberal powder is S95 grades of miberal powders, and high-efficiency polycarboxylic acid water reducer water-reducing rate is more than 25%, and metallic fiber is steel fibre,
Length is 16~17mm, and draw ratio is 63~70.
Above-mentioned raw materials are uniformly mixed, through casting, jolt ramming, conserve to obtain concrete.
Embodiment 2
2 high temperature resistant radiation resistance concrete of the embodiment of the present invention, including：Cement 10.0kg, miberal powder 6.0kg, silicon ash 0.9kg,
Flyash 3.8kg, middle sand 35.0kg, basaltic broken stone 50.5kg, high-efficiency polycarboxylic acid water reducer 0.2kg, rosin soap 6.0g, metal
Fiber 0.3kg, water 8.0kg.
Wherein, miberal powder is S95 grades of miberal powders, and high-efficiency polycarboxylic acid water reducer water-reducing rate is more than 25%, and metallic fiber is steel fibre,
Length is 16~17mm, and draw ratio is 63~70.
Above-mentioned raw materials are uniformly mixed, through casting, jolt ramming, conserve to obtain concrete.
Embodiment 3
3 high temperature resistant radiation resistance concrete of the embodiment of the present invention, including：Cement 12.0kg, miberal powder 8.0kg, silicon ash 0.2kg,
Flyash 5.0kg, middle sand 40.0kg, limestone gravel 57.0kg, high-efficiency polycarboxylic acid water reducer 0.2kg, sodium alkyl sulfonate 5.0g,
Metallic fiber 1.0kg, water 8.0kg.
Wherein, cement is II cement of 52.5P ˙, and high-efficiency polycarboxylic acid water reducer water-reducing rate is more than 25%, and metallic fiber is that steel is fine
Dimension, length are 16~17mm, and draw ratio is 63~70.
Above-mentioned raw materials are uniformly mixed, through casting, jolt ramming, conserve to obtain concrete.
Embodiment 4
4 high temperature resistant radiation resistance concrete of the embodiment of the present invention, including：Cement 11.0kg, miberal powder 7.0kg, silicon ash 1.0kg,
Flyash 4.8kg, middle sand 39.0kg, basaltic broken stone 60.0kg, high-efficiency polycarboxylic acid water reducer 0.2kg, sodium alkyl sulfonate 7.0g,
Metallic fiber 0.6kg, water 10.0kg.
Wherein, high-efficiency polycarboxylic acid water reducer water-reducing rate is more than 25%, and metallic fiber is steel fibre, and length is 16~17mm,
Draw ratio is 63~70.
Above-mentioned raw materials are uniformly mixed, through casting, jolt ramming, conserve to obtain concrete.
The concrete performance comparing result of Examples 1 to 4 and comparative example is as follows：
Example 1：The concrete crushing strength of proportioning reaches about 77.9Mpa or more, by 90 days heat resisting temperatures, 177 DEG C of data
It has been shown that, compression strength is without significantly sacrificing；Show that compression strength loss is by the data of 40 hours 800 DEG C of heat-resisting high temperature
1.2%.
Example 2：The concrete crushing strength of proportioning reaches about 69.4Mpa or more, by 90 days heat resisting temperatures, 177 DEG C of data
It has been shown that, compression strength is without significantly sacrificing；Show that compression strength loss is by the data of 40 hours 800 DEG C of heat-resisting high temperature
7.9%.
Example 3：The concrete crushing strength of proportioning reaches about 63.5Mpa or more, reaches 177 DEG C by 90 days heat resisting temperatures
Data show that compression strength is without significantly sacrificing；Show that compression strength loss is by the data of 40 hours 800 DEG C of heat-resisting high temperature
10%.
Example 4：The concrete crushing strength of proportioning reaches about 59.9Mpa or more, reaches 177 DEG C by 90 days heat resisting temperatures
Data show that compression strength is without significantly sacrificing；Show that compression strength loss is by the data of 40 hours 800 DEG C of heat-resisting high temperature
10%.
Comparative example：The compression strength of normal concrete is 20~25Mpa, and general tolerable temperature is 80 DEG C；By heat-resisting temperature
After 80 DEG C of degree, compression strength declines obviously, and armored concrete can reduce rapidly intensity at 300~400 DEG C, or even generate quick-fried
It splits.
It can be seen that compared with the existing technology in conjunction with the performance comparison of above example and comparative example, high temperature resistant of the present invention
Radiation resistance concrete has the advantages that：The concrete of proportioning reaches 177 DEG C of data by 90 days heat resisting temperatures and shows, resists
Compressive Strength is without significantly sacrificing, and after radiation resistance is tested, compression strength loss loss of strength≤10%.High temperature resistant of the present invention
Radiotolerant concrete has that good high temperature resistant, compression strength is strong, radiotolerant performance.
In addition, can effectively be exported using spentnuclear fuel Dry storage structure prepared by high temperature resistant radiation resistance concrete of the present invention
Spentnuclear fuel decay heat, is at subcritical state, the risk that the personnel of significant decrease are irradiated by radioactivity, and structure exists
Ideal mechanical strength is still maintained under high temperature, radiation environment.
According to the disclosure and teachings of the above specification, those skilled in the art in the invention can also be to above-mentioned embodiment party
Formula carries out change and modification appropriate.Therefore, the invention is not limited in specific implementation modes disclosed and described above, to this
Some modifications and changes of invention should also be as falling into the scope of the claims of the present invention.In addition, although this specification
In used some specific terms, these terms are merely for convenience of description, does not limit the present invention in any way.
Claims (8)
1. a kind of high temperature resistant radiation resistance concrete, which is characterized in that by percentage to the quality, including：Cement 8~10%, miberal powder 5
~10%, middle sand 29~32%, rubble 43~47%, water-reducing agent 0.1~0.2%, metallic fiber 0.25~0.8%, flyash
3.5~4%, silicon ash 0.09~1%, air entraining agent 0.004~0.006%, water 6~8%.
2. high temperature resistant radiation resistance concrete according to claim 1, it is characterised in that：The cement is II water of 52.5P ˙
Mud.
3. high temperature resistant radiation resistance concrete according to claim 1, it is characterised in that：The miberal powder is S95 grades of miberal powders.
4. high temperature resistant radiation resistance concrete according to claim 1, it is characterised in that：The rubble is limestone or the Black Warrior
Rock rubble.
5. high temperature resistant radiation resistance concrete according to claim 1, it is characterised in that：The water-reducing agent is polycarboxylic acids diminishing
Agent, water-reducing rate are more than 25%.
6. high temperature resistant radiation resistance concrete according to claim 1, it is characterised in that：The metallic fiber is steel fibre,
Length is 16mm~17mm, and draw ratio is 63~70.
7. high temperature resistant radiation resistance concrete according to claim 1, it is characterised in that：The air entraining agent is rosin derivative
Or sulfonate.
8. high temperature resistant radiation resistance concrete according to claim 7, it is characterised in that：The air entraining agent is rosin hot polymerization
Object, rosin soap, sodium alkyl sulfonate or sodium lignin sulfonate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611142190.6A CN108609920A (en) | 2016-12-12 | 2016-12-12 | High temperature resistant radiation resistance concrete |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611142190.6A CN108609920A (en) | 2016-12-12 | 2016-12-12 | High temperature resistant radiation resistance concrete |
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| CN108609920A true CN108609920A (en) | 2018-10-02 |
Family
ID=63657699
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| CN201611142190.6A Pending CN108609920A (en) | 2016-12-12 | 2016-12-12 | High temperature resistant radiation resistance concrete |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101983946A (en) * | 2010-04-16 | 2011-03-09 | 南京理工大学 | Protection engineering material resisting repeated impacts and method of producing material with solid wastes |
| CN103224357A (en) * | 2013-02-07 | 2013-07-31 | 黄贺明 | Green environmentally-friendly broken stone active powder concrete |
| CN104987014A (en) * | 2015-07-25 | 2015-10-21 | 福州大学 | Radiation-shielding concrete adopting lead-zinc tailings as raw material and preparation method therefor |
| CN107434388A (en) * | 2017-07-24 | 2017-12-05 | 中国建筑材料科学研究总院 | A kind of spent fuel dry-type storage container concrete and preparation method thereof |
-
2016
- 2016-12-12 CN CN201611142190.6A patent/CN108609920A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101983946A (en) * | 2010-04-16 | 2011-03-09 | 南京理工大学 | Protection engineering material resisting repeated impacts and method of producing material with solid wastes |
| CN103224357A (en) * | 2013-02-07 | 2013-07-31 | 黄贺明 | Green environmentally-friendly broken stone active powder concrete |
| CN104987014A (en) * | 2015-07-25 | 2015-10-21 | 福州大学 | Radiation-shielding concrete adopting lead-zinc tailings as raw material and preparation method therefor |
| CN107434388A (en) * | 2017-07-24 | 2017-12-05 | 中国建筑材料科学研究总院 | A kind of spent fuel dry-type storage container concrete and preparation method thereof |
Non-Patent Citations (2)
| Title |
|---|
| 倪修全等: "《土木工程材料》", 31 January 2014, 武汉大学出版社 * |
| 杨长利: "《中国核燃料循环后段》", 31 October 2016, 中国原子能出版社 * |
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