AASHTO TP 102-12(2015)

VIP免费

老杨树 2024-10-25 15 666.01KB 8 页 15星币

侵权投诉

Standard Method of Test for

Evaluation of Asphalt

Release Agents

AASHTO Designation: TP 102-12 (2015)1

American Association of State Highway and Transportation Officials

444 North Capitol Street N.W., Suite 249

Washington, D.C. 20001

TS-2b TP 102-1 AASHTO

Standard Method of Test for

Evaluation of Asphalt Release Agents

AASHTO Designation: TP 102-12 (2015)1

1. SCOPE

1.1. This method covers the laboratory performance evaluation of asphalt release agents. These release

agents are used for coating tools and truck beds to prevent asphalt binder or hot mix asphalt

(HMA) from adhering. The release agents should perform this function without causing

degradation (stripping) of the hot mix asphalt.

1.2. This standard may involve hazardous materials, operations, and equipment. It does not purport to

address all safety concerns associated with its use. It is the responsibility of the user of this

standard to establish appropriate safety and health practices and determine the applicability of

regulatory limitations prior to use.

2. REFERENCED DOCUMENTS

2.1. AASHTO Standards:

 M 320, Performance-Graded Asphalt Binder

 M 323, Superpave Volumetric Mix Design

 T 85, Specific Gravity and Absorption of Coarse Aggregate

 T 312, Preparing and Determining the Density of Asphalt Mixture Specimens by Means of the

Superpave Gyratory Compactor

2.2. ASTM Standards:

 D93, Standard Test Methods for Flash Point by Pensky-Martens Closed Cup Tester

 D1475, Standard Test Method for Density of Liquid Coatings, Inks, and Related Products

 D2369, Standard Test Method for Volatile Content of Coatings

 E1252, Standard Practice for General Techniques for Obtaining Infrared Spectra for

Qualitative Analysis

2.3. Other Standard:

 TxDOT Test Procedure Tex-530-C, Effect of Water on Bituminous Paving Mixtures

3. SUMMARY OF TEST METHOD

3.1. The test method uses three key performance measures:

3.1.1. In the 7-Day Asphalt Stripping Test, a specimen of hot mix asphalt binder is soaked in the release

agent for seven days, alongside a control specimen of release agent with no hot mix asphalt. The

specimens are evaluated at the end of the soak period to determine the degree of stripping that

occurred.

TS-2b TP 102-2 AASHTO

3.1.2. In the Mixture Slide Test, a specimen of hot mix asphalt is applied to a steel plate that has been

treated with the release agent. The plate is tilted to allow the hot mix asphalt to slide free. This

process is repeated two more times. The degree of adhesion to the plate is determined by gain in

weight.

3.1.3. In the Asphalt Performance Test, hot asphalt binder is poured onto the treated plate, allowed to

cool, and then peeled away. The degree of adhesion to the plate is determined by gain in weight.

This process is repeated until 10 percent of the binder has adhered to the plate. The amount of

retained binder is recorded for each application cycle.

3.2. The specific gravity, percent solids, and infrared spectrum of the release agent are measured and

recorded.

4. SIGNIFICANCE AND USE

4.1. The 7-Day Asphalt Stripping Test measures the tendency for the release agent to remove asphalt

binder from the hot mix asphalt. The agent is evaluated in both its concentrated form and at the

diluted concentration recommended for use by the manufacturer.

4.2. The Mixture Slide Test simulates a truck bed to determine the tendency of the asphalt to adhere to

the bed when the release agent is used.

4.3. The Asphalt Performance Test measures the tendency for asphalt binder to adhere to truck beds

or tools.

4.4. The hot mix asphalt used for testing is made under Superpave mix design standards to provide a

mixture with repeatable behavior that will not tend to exhibit stripping when exposed to water.

4.5. The specific gravity, percent solids, and infrared spectrum are intended to be used as reference

parameters to verify product formulations of future samples.

4.6. This method is intended to determine the properties of these materials. Acceptability of a material,

based upon the data generated as a result of the testing and evaluation in this practice, is the

responsibility of the user.

4.7. Standard laboratory conditions are defined as a temperature of 24 ± 4°C (77 ± 7°F) and a relative

humidity of 50 ± 10 percent.

5. SEVEN-DAY ASPHALT STRIPPING TEST

5.1. Apparatus:

5.1.1. Jars—eight (8) 0.5-L (1-pt) glass canning jars or equivalent with a lid for sealing;

5.1.2. Oven—capable of attaining a minimum temperature of 150°C (302°F); and

5.1.3. Balance—readable to 0.1 g and accurate to 0.5 g.

5.2. Materials:

5.2.1. Either a plant- or a laboratory-mixed sample of hot mix asphalt (HMA) meeting the following

requirements:

文档加载中……请稍候！
如果长时间未打开，您也可以点击刷新试试。

下载文档到电脑，查找使用更方便

亲，本站95%以上的标准规范都面向会员免费，办理VIP会员下载更省钱，平均每篇不到2元

立即下载 VIP免费下载

摘要：

AASHTO TP 102-12(2015) 是美国国家公路与运输官员协会发布的标准试验方法，全称为“Standard Method of Test for Determining Asphalt Binder Fatigue Life Using the Linear Amplitude Sweep (LAS) Test”。该标准规范了通过线性振幅扫描试验评估沥青胶结料疲劳寿命的测试程序，适用于道路工程中的沥青材料性能鉴定与耐久性分析。该文档于2012年首次发布，并在2015年进行确认或修订，

展开>> 收起<<

AASHTO TP 102-12(2015).pdf

共8页,预览4页

还剩页未读，继续阅读

声明：本文档系会员上传，若文档所含内容侵犯了您的版权或隐私，请立即通知，我们立即给予侵权申诉删除！

AASHTO TP 102-12(2015)

相关推荐

开通VIP享超值会员特权

相关内容

热门标签

举报选择: