AASHTO MP 25-2015 Standard Specification for Performance-Graded Bituminous Sealants.pdf
《AASHTO MP 25-2015 Standard Specification for Performance-Graded Bituminous Sealants.pdf》由会员分享,可在线阅读,更多相关《AASHTO MP 25-2015 Standard Specification for Performance-Graded Bituminous Sealants.pdf(8页珍藏版)》请在麦多课文档分享上搜索。
1、Standard Specification for Performance-Graded Bituminous Sealants AASHTO Designation: MP 25-151American Association of State Highway and Transportation Officials 444 North Capitol Street N.W., Suite 249 Washington, D.C. 20001 TS-4e MP 25-1 AASHTO Standard Specification for Performance-Graded Bitumin
2、ous Sealants AASHTO Designation: MP 25-1511. SCOPE 1.1. This specification covers bituminous sealants graded by performance. Grading designations are related to the average 7-day maximum pavement design temperature and the minimum pavement design temperature shown in Table 1. 2. REFERENCED DOCUMENTS
3、 2.1. AASHTO Standards: T 315, Determining the Rheological Properties of Asphalt Binder Using a Dynamic Shear Rheometer (DSR) TP 85, Apparent Viscosity of Hot-Poured Bituminous Crack Sealant Using Brookfield Rotational Viscometer RV Series Instrument TP 86, Accelerated Aging of Bituminous Sealants a
4、nd Fillers Using a Vacuum Oven TP 87, Measuring Low-Temperature Flexural Creep Stiffness of Bituminous Sealants and Fillers by Bending Beam Rheometer (BBR) TP 88, Evaluation of the Low-Temperature Tensile Property of Bituminous Sealants by Direct Tension Test TP 89, Measuring Adhesion of Hot-Poured
5、Crack Sealant Using Direct Adhesion Tester TP 90, Measuring Interfacial Fracture Energy of Hot-Poured Crack Sealant Using a Blister Test 2.2. ASTM Standard: D5167, Standard Practice for Melting of Hot-Applied Joint and Crack Sealant and Filler for Evaluation 2.3. Sealant Consortium (SC)2: SC-1, Guid
6、elines for Graded Bituminous Sealants SC-2, Test Method for Measuring Apparent Viscosity of Hot-Poured Crack Sealant Using Brookfield Rotational Viscometer RV Series Instrument SC-3, Test Method for Accelerated Aging of Bituminous Sealants SC-4, Sealant Flow and Deformation SC-5, Test Method to Meas
7、ure Low-Temperature Sealant Flexural Creep Stiffness at Low Temperature by Bending Beam Rheometer SC-6, Test Method to Evaluate Sealant Extensibility at Low Temperature by Direct Tension Test SC-7, Direct Adhesion Test Method for Measuring Adhesion of Hot-Poured Crack Sealant Using a Direct Tensile
8、Tester 2015 by the American Association of State Highway and Transportation Officials.All rights reserved. Duplication is a violation of applicable law.TS-4e MP 25-2 AASHTO 3. TERMINOLOGY 3.1. Definition: 3.1.1. bituminous sealantshot poured modified asphaltic materials used in pavement cracks and j
9、oints. 4. ORDERING INFORMATION 4.1. When ordering under this specification, include in the purchase order the performance grade of bituminous crack sealant (SG) required (e.g., (1) MP 25, SG 52-16, or (2) MP 25, SG 64-34). 5. MATERIALS AND MANUFACTURE 5.1. Asphalt binder of the bituminous sealant sh
10、all be prepared by the refining of crude petroleum by suitable methods, with or without the addition of modifiers. 5.2. Modifiers may be any organic material of suitable manufacture that is used in virgin or recycled condition and that is dissolved, dispersed, or reacted in asphalt binder to enhance
11、 its performance. 5.3. The asphalt binder shall be homogeneous, free from water and deleterious materials, and shall not foam when heated to 175C. 5.4. The grades of bituminous crack sealants shall conform to the requirements given in Table 1. 2015 by the American Association of State Highway and Tr
12、ansportation Officials.All rights reserved. Duplication is a violation of applicable law.Table 1Minimum Pavement Design Temperatures Crack Sealant Performance Grade SG 46 SG 52 SG 58 Average 7-day max pavement design temperature, C 46 52 58 Min pavement design temperature, C 46 40 34 28 22 16 10 46
13、40 34 28 22 16 10 46 40 34 28 22 16 10 Apparent Viscosity, TP 85 Installation Temperature Maximum Viscosity (Pas) 3.5 Minimum Viscosity (Pas) 1 Vacuum Oven Residue (TP 86) Dynamic Shear, SC-4 46 52 58 Minimum Flow Coeff. (kPas) 4 Minimum Shear Thinning 0.7 Crack Sealant BBR, TP 87 40 34 28 22 16 10
14、4 40 34 28 22 16 10 4 40 34 28 22 16 10 4 Maximum Stiffness (MPa) 25 Minimum Avg. Creep Rate 0.31 Crack Sealant DTT, TP 88 40 34 28 22 16 10 4 40 34 28 22 16 10 4 40 34 28 22 16 10 4 Minimum Extendibility (%) 85 85 70 55 40 25 10 85 85 70 55 40 25 10 85 85 70 55 40 25 10 Crack Sealant AT, TP 89 40 3
15、4 28 22 16 10 4 40 34 28 22 16 10 4 40 34 28 22 16 10 4 Minimum Load (N) 50 aPavement temperatures are estimated from air temperatures using an algorithm contained in the LTPP Bind program or may be provided by the specifying agency, or by following the procedures as outlined in M 323 and R 35. Cont
16、inued on next page. TS-4eMP25-3AASHTO 2015 by the American Association of State Highway and Transportation Officials.All rights reserved. Duplication is a violation of applicable law.Table 1Minimum Pavement Design Temperatures (continued) Crack Sealant Performance Grade SG 64 SG 70 SG 76 Average 7-d
17、ay max pavement design temperature, C 64 70 76 Min pavement design temperature, C 46 40 34 28 22 16 10 46 40 34 28 22 16 10 46 40 34 28 22 16 10 Apparent Viscosity, TP 85 Installation Temperature Maximum Viscosity (Pas) 3.5 Minimum Viscosity (Pas) 1 Vacuum Oven Residue (TP 86) Dynamic Shear, SC-4 64
18、 70 76 Minimum Flow Coeff. (kPas) 4 Minimum Shear Thinning 0.7 Crack Sealant BBR, TP 87 40 34 28 22 16 10 4 40 34 28 22 16 10 4 40 34 28 22 16 10 4 Maximum Stiffness (MPa) 25 Minimum Avg. Creep Rate 0.31 Crack Sealant DTT, TP 88 40 34 28 22 16 10 4 40 34 28 22 16 10 4 40 34 28 22 16 10 4 Minimum Ext
- 1.请仔细阅读文档,确保文档完整性,对于不预览、不比对内容而直接下载带来的问题本站不予受理。
- 2.下载的文档,不会出现我们的网址水印。
- 3、该文档所得收入(下载+内容+预览)归上传者、原创作者;如果您是本文档原作者,请点此认领!既往收益都归您。
下载文档到电脑,查找使用更方便
5000 积分 0人已下载
下载 | 加入VIP,交流精品资源 |
- 配套讲稿:
如PPT文件的首页显示word图标,表示该PPT已包含配套word讲稿。双击word图标可打开word文档。
- 特殊限制:
部分文档作品中含有的国旗、国徽等图片,仅作为作品整体效果示例展示,禁止商用。设计者仅对作品中独创性部分享有著作权。
- 关 键 词:
- AASHTOMP252015STANDARDSPECIFICATIONFORPERFORMANCEGRADEDBITUMINOUSSEALANTSPDF

链接地址:http://www.mydoc123.com/p-417861.html