CN101165101A - Water power engineering asphalt and preparation method thereof - Google Patents
Water power engineering asphalt and preparation method thereof Download PDFInfo
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- CN101165101A CN101165101A CNA2006100632327A CN200610063232A CN101165101A CN 101165101 A CN101165101 A CN 101165101A CN A2006100632327 A CNA2006100632327 A CN A2006100632327A CN 200610063232 A CN200610063232 A CN 200610063232A CN 101165101 A CN101165101 A CN 101165101A
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- asphalt
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Abstract
The present invention discloses one kind of hydrotechnic asphalt and its preparation process. The hydrotechnic asphalt consists of asphalt 95-97 weight portions, SBS modifier 1-5 weight portions and SBR modifier 1-4 weight portions; and may have sulfur in at most 2 weight portions added for further raised hydrotechnic performance. It has high antiseepage performance, osmotic coefficient lower than 10-7 cm/s or similar to that of steel plate, low cost, high plasticity and elasticity, capacity of suiting the inhomogeneous settlement of dam body, convenient construction and other advantages.
Description
[technical field]
The present invention relates to engineering and chemical field, particularly be the special asphalt field.
[background technology]
Hydraulic asphalt is mainly used in earth rockfill dam bituminous concrete sloping core and core-wall engineering.Because bituminous concrete all is better than cement concrete at aspects such as plasticity-, snappiness, watertightness, joint treatment, adaptation deformation ability and inspection, maintenances, in the large-scale water conservancy in future, hydroelectric project, asphalt concrete seepage prevention might replace the cement concrete antiseepage.
Bituminous concrete is owing to have good anti-permeability performance and excellent deformability, more and more is used for the antiseepage body of lower storage reservoir in earth rockfill dam, channel, canal, the storage station etc. in Hydraulic and Hydro-Power Engineering, and good prospects for application is arranged.
Hydraulic asphalt concrete is a kind of viscoelastic material, it be by mineral aggregate and asphaltic binder through heating, mix and stir the compound that forms, be used for hydro project should have following engineering property because its environment is special: a anti-impact corrosion stability; B) flexibility; C) barrier properties; D) slope stability; E) weather resistance; F) temperature stability.These performances are closely related with the hydraulic asphalt performance to a great extent.To the hydraulic asphalt technology performance requriements, present various countries are disunity still.Because various countries' oil property and national conditions difference, it is totally different that the hydraulic asphalt technology performance is stressed face.China does not have formal hydraulic asphalt standard at present, and mostly domestic large hydraulic engineering is reference or adopts foreign standard.
Though China does not still have formal hydraulic asphalt standard, the used hydraulic asphalt technology of domestic several large hydraulic engineerings requires and real standard has reached foreign advanced standard.Laboratory study shows: crude oil development hydraulic asphalt in Kuwait, the sand, main performance index reaches Mao Pingxi, the Ming Tombs, day waste level ground technical requirements fully, also reaches German hydraulic asphalt standard, should accelerate achievements conversion.Carry out the research of hydraulic asphalt, to promoting China's hydraulic anti-seepage technology, the significant and practical value of development hydro project cause.
[summary of the invention]
The purpose of this invention is to provide a kind of hydraulic asphalt, use the dam body core-wall and the panel of this hydraulic asphalt preparation, permeability coefficient is less than 10～7cm/s, and cost is low, can adapt to the building non-uniform settling, and easy construction, and simple in structure, easy to maintenance, running cost is low.Another object of the present invention provides the preparation method of this hydraulic asphalt.
A kind of hydraulic asphalt, composition comprises by weight: 95～97 parts of heavy traffic paving asphalts; 1～5 part of SBS properties-correcting agent; 1～4 part of SBR properties-correcting agent.Adding mostly is 2 parts sulphur most, can further improve the performance of hydraulic asphalt.
The preparation method of above-mentioned hydraulic asphalt comprises the steps:
1) with heavy traffic paving asphalt 163 ℃ of fusings, and be heated 180 ℃;
2) swelling: SBS and two kinds of properties-correcting agent of SBR are joined even the stirring 35～45 minutes in the pitch;
3) shear: the pitch that swelling is good, adds or does not add sulphur 180 ℃, the state down cut of revolution 3000～4500r/min 30～45 minutes with shears, stirs;
4) finished product packing: the hydraulic asphalt made is prevented to mix impurity to going into to seal water proof and dust proof in the container, be packaged to be finished product.
Hydraulic asphalt concrete anti-seepage by hydraulic asphalt preparation of the present invention is effective, and permeability coefficient is less than 10～7cm/s, and is better than Steel Concrete, almost equates with steel plate; Cost is low, and its cost is at half than Steel Concrete, and is lower than steel plate; Hydraulic asphalt is a kind of soft solid materials, thereby bituminous concrete has plasticity and elasticity preferably, can adapt to the dam body non-uniform settling to a certain extent; The hydraulic asphalt concrete easy construction, simple in structure, easy to maintenance, running cost is low.
[embodiment]
Hydraulic asphalt is to add an amount of SBS properties-correcting agent, SBR properties-correcting agent, sulphur etc. in pitch, disperses, packs through swelling, shearing, obtains finished product.
Heavy traffic paving asphalt meets bi tumenf orr oad technical requirements among the JTG F40-2004; SBS is Yueyang petrochemical industry 791 type SBS; SBR is the high science, industry and trade of a Shandong Zibo company limited; Sulphur is that Dandong sublimed sulphur factory produces.
Embodiment 1:
Take by weighing by weight: 95 parts of Maoming 90# pitches; 2.5 parts of SBS properties-correcting agent; 2 parts of SBR properties-correcting agent.
At first heavy traffic paving asphalt is melted in 163 ℃, and be heated 180 ℃, then SBS and two kinds of properties-correcting agent of SBR are joined even the stirring 40 minutes in the pitch.Then that swelling is good pitch with shears 180 ℃, the state down cut of revolution 3000～4500r/min 35 minutes.At last the hydraulic asphalt made is prevented to mix impurity to going into to seal water proof and dust proof in the container, be packaged to be finished product.
Embodiment 2:
Take by weighing by weight: 97 parts of Da Ying 100# pitches; 1 part of SBS properties-correcting agent; 3 parts of SBR properties-correcting agent; 1.5 parts in sulphur.
At first heavy traffic paving asphalt is melted in 163 ℃, and be heated 180 ℃, then SBS and two kinds of properties-correcting agent of SBR are joined even the stirring 35 minutes in the pitch.Then that swelling is good pitch 180 ℃, the state down cut of revolution 3000～4500r/min 40 minutes, adds sulphur with shears, stirs.At last the hydraulic asphalt made is prevented to mix impurity to going into to seal water proof and dust proof in the container, be packaged to be finished product.
Embodiment 3:
Take by weighing by weight: 96 parts of Maoming 90# pitches; 3 parts of SBS properties-correcting agent; 4 parts of SBR properties-correcting agent; 1 part in sulphur.
At first heavy traffic paving asphalt is melted in 163 ℃, and be heated 180 ℃, then SBS and two kinds of properties-correcting agent of SBR are joined even the stirring 45 minutes in the pitch.Then that swelling is good pitch 180 ℃, the state down cut of revolution 3000～4500r/min 30 minutes, adds sulphur with shears, stirs.At last the hydraulic asphalt made is prevented to mix impurity to going into to seal water proof and dust proof in the container, be packaged to be finished product.
Embodiment 4:
Take by weighing by weight: 96 parts of Maoming 90# pitches; 5 parts of SBS properties-correcting agent; 1 part of SBR properties-correcting agent; 2 parts in sulphur.
At first heavy traffic paving asphalt is melted in 163 ℃, and be heated 180 ℃, then SBS and two kinds of properties-correcting agent of SBR are joined even the stirring 45 minutes in the pitch.Then that swelling is good pitch 180 ℃, the state down cut of revolution 3000～4500r/min 30 minutes, adds sulphur with shears, stirs.At last the hydraulic asphalt made is prevented to mix impurity to going into to seal water proof and dust proof in the container, be packaged to be finished product.
The end properties index of embodiment is as follows:
| Project | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 |
| Penetration degree (25 ℃)/10 -1mm | 68 | 75 | 71 | 67 |
| Softening temperature (ring and ball method)/℃ | 50 | 55.5 | 46.5 | 50 |
| Ductility (4 ℃)/cm | 53.5 | ＞150 | ＞150 | 52.6 |
| Viscosity (135 ℃)/Pas | 1.938 | 0.6625 | 1.063 | 1.350 |
| Wax content/% | 1.7 | 1.8 | 1.7 | 1.7 |
| Flash-point (opening)/℃ | ＞230 | ＞230 | ＞230 | ＞230 |
| Brittle point/℃ | ＜-15 | ＜-15 | ＜-15 | ＜-15 |
Calendar year 2001 Three Gorges Projects Mao Ping small stream dam hydraulic asphalt technology index:
| Project | Quality index | Project | Quality index |
| Penetration degree (25 ℃)/10 -1mm | 60～80 | Wax content/% | ＜2 |
| Softening temperature (ring and ball method)/℃ | 46～54 | Flash-point (opening)/℃ | ＞230 |
| Ductility (4 ℃)/cm | ＞30 | Brittle point/℃ | ＜-10 |
| Viscosity (135 ℃)/Pas | ＜3 |
From above two tables as can be seen, gained hydraulic asphalt of the present invention meets the technical requirements of Three Gorges Projects hydraulic asphalt.
Gained hydraulic asphalt of the present invention can through mix and stir bituminous concrete, it has good anti-permeability performance and excellent deformability, can be applicable in the Hydraulic and Hydro-Power Engineering, mainly can be used for the antiseepage body of lower storage reservoir etc. in earth rockfill dam, channel, canal, the storage station, it has good prospects for application.
Claims (3)
1. hydraulic asphalt is formed by weight and is comprised: 95～97 parts of heavy traffic paving asphalts; 1～5 part of SBS properties-correcting agent; 1～4 part of SBR properties-correcting agent.
2. hydraulic asphalt according to claim 1 can also add and mostly is 2 parts sulphur most.
3. prepare the method for the described hydraulic asphalt of claim 1, comprise the steps:
1) with heavy traffic paving asphalt 163 ℃ of fusings, and be heated 180 ℃;
2) swelling: SBS and two kinds of properties-correcting agent of SBR are joined even the stirring 35～45 minutes in the pitch;
3) shear: the pitch that swelling is good, adds or does not add sulphur 180 ℃, the state down cut of revolution 3000～4500r/min 30～45 minutes with shears, stirs;
4) finished product packing: the hydraulic asphalt made is prevented to mix impurity to going into to seal water proof and dust proof in the container, be packaged to be finished product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006100632327A CN101165101A (en) | 2006-10-20 | 2006-10-20 | Water power engineering asphalt and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006100632327A CN101165101A (en) | 2006-10-20 | 2006-10-20 | Water power engineering asphalt and preparation method thereof |
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| Publication Number | Publication Date |
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| CN101165101A true CN101165101A (en) | 2008-04-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNA2006100632327A Pending CN101165101A (en) | 2006-10-20 | 2006-10-20 | Water power engineering asphalt and preparation method thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103232711A (en) * | 2013-05-03 | 2013-08-07 | 中海油（青岛）重质油加工工程技术研究中心有限公司 | Low-temperature hydraulic asphalt and method for detecting cracking temperature of mixture replacing low-temperature hydraulic asphalt |
| CN103232712A (en) * | 2013-05-03 | 2013-08-07 | 中海油（青岛）重质油加工工程技术研究中心有限公司 | Hydraulic engineering asphalt and preparation method thereof |
| CN104672930A (en) * | 2015-03-10 | 2015-06-03 | 中化弘润石油化工有限公司 | Continuous production technology for SBS (styrene-butadiene-styrene) modified asphalt |
| CN109593374A (en) * | 2018-12-04 | 2019-04-09 | 黄河三角洲京博化工研究院有限公司 | A kind of hydraulic asphalt and preparation method thereof |
| CN114479494A (en) * | 2022-02-11 | 2022-05-13 | 山东京博石油化工有限公司 | Hydraulic asphalt with excellent adhesion and preparation method thereof |
-
2006
- 2006-10-20 CN CNA2006100632327A patent/CN101165101A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103232711A (en) * | 2013-05-03 | 2013-08-07 | 中海油（青岛）重质油加工工程技术研究中心有限公司 | Low-temperature hydraulic asphalt and method for detecting cracking temperature of mixture replacing low-temperature hydraulic asphalt |
| CN103232712A (en) * | 2013-05-03 | 2013-08-07 | 中海油（青岛）重质油加工工程技术研究中心有限公司 | Hydraulic engineering asphalt and preparation method thereof |
| CN103232712B (en) * | 2013-05-03 | 2015-08-12 | 中国海洋石油总公司 | A kind of hydraulic asphalt and preparation method thereof |
| CN103232711B (en) * | 2013-05-03 | 2015-08-12 | 中国海洋石油总公司 | A kind of low temperature hydraulic asphalt and its compound alternative freeze the detection method of disconnected temperature |
| CN104672930A (en) * | 2015-03-10 | 2015-06-03 | 中化弘润石油化工有限公司 | Continuous production technology for SBS (styrene-butadiene-styrene) modified asphalt |
| CN109593374A (en) * | 2018-12-04 | 2019-04-09 | 黄河三角洲京博化工研究院有限公司 | A kind of hydraulic asphalt and preparation method thereof |
| CN114479494A (en) * | 2022-02-11 | 2022-05-13 | 山东京博石油化工有限公司 | Hydraulic asphalt with excellent adhesion and preparation method thereof |
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Open date: 20080423 |