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GB/T 44357-2024: Test methods of evaluation of performance grades for petroleum asphalt
Status: Valid
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 44357-2024 | English | 879 |
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Test methods of evaluation of performance grades for petroleum asphalt
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GB/T 44357-2024
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Basic data | Standard ID | GB/T 44357-2024 (GB/T44357-2024) | | Description (Translated English) | Test methods of evaluation of performance grades for petroleum asphalt | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | E43 | | Classification of International Standard | 75.140 | | Word Count Estimation | 44,460 | | Date of Issue | 2024-08-23 | | Date of Implementation | 2024-08-23 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 44357-2024: Test methods of evaluation of performance grades for petroleum asphalt---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
ICS 75.140
CCSE43
National Standard of the People's Republic of China
Test method for evaluating performance grade of petroleum asphalt
Released on 2024-08-23
2025-03-01 Implementation
State Administration for Market Regulation
The National Standardization Administration issued
Table of Contents
Preface III
1 Scope 1
2 Normative references 1
3 Terms, definitions and symbols 1
3.1 Terms and Definitions 1
3.2 Symbols and abbreviations 2
4 Asphalt performance test conditions 3
5 Sampling 4
6 Sample preparation 4
7 Test methods 4
7.1 Rotating Thin Film Heat Aging Test Method (RTFOT Test) 4
7.2 Pressure heating aging test method (PAV test) 5
7.3 Dynamic shear rheology test (DSR test) 9
7.4 Bending creep test (BBR test) 16
7.5 Multiple stress creep recovery test (MSCR test) 25
7.6 Direct tensile test (DT test) 29
8 Evaluation of test results 35
Foreword
This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for standardization work Part 1.Structure and drafting rules for standardization documents"
Drafting.
Please note that some of the contents of this document may involve patents. The issuing organization of this document does not assume the responsibility for identifying patents.
This document is proposed by China Petrochemical Corporation.
This document is under the jurisdiction of the National Technical Committee on Petroleum Products and Lubricants Standardization (SAC/TC280).
This document was drafted by. China University of Petroleum (East China), Highway Research Institute of the Ministry of Transport, and Petrochemical Research Institute of Sinopec
Co., Ltd., Fujian Provincial Highway Construction Headquarters, China National Offshore Oil Corporation, Anhui Provincial Transportation Holding Group Co., Ltd., China Communications Construction
Second Highway Engineering Bureau Co., Ltd., Zhonglu Hi-Tech (Beijing) Highway Technology Co., Ltd., Fujian Highway Science and Technology Innovation Research Institute Co., Ltd.
Hefei Mingchao Expressway Co., Ltd., Huashe Design Group Co., Ltd., Zhejiang Transportation Research Institute, China Petroleum Tian
Liaohe Petrochemical Company of Natural Gas Co., Ltd., Anhui Communications Vocational and Technical College, Xinjiang Communications Investment Construction Management Co., Ltd., Zhejiang Environmental Protection
Yu Construction Group Co., Ltd., China Railway First Bureau Group Co., Ltd., Shanxi Road and Bridge Construction Group Co., Ltd., Xinjiang Xingya Engineering Construction Co., Ltd.
Co., Ltd., Anhui Zhonglu Intelligent Transportation Technology Co., Ltd., and Shanghai Changji Geological Instrument Co., Ltd.
The main drafters of this document are. Yan Erhu, Zhang Yuzhen, Guo Ning, Wang Cuihong, Qi Yongsheng, Gong Yan, Xu Jian, Chen Libiao, Huang Xuewen, Wang Jinfeng,
Gao Xiaoying, Cheng Gang, Huang Hua, Chen Zhiwei, Xue Cheng, Chi Fengxia, Sun Haijun, Zeng Juncheng, Wu Linsong, Cao Pengyun, Dai Zhen, Zhang Rui, Furhati Ainiwar,
He Yuqi, Hao Xiaotang, Hui Linchong, Huang Mei, Lu Kaiji, Kang Hao.
Test method for evaluating performance grade of petroleum asphalt
Warning. The use of this document may involve certain hazardous materials, operations and equipment, but this document does not guarantee all of the relevant
Before applying this document, the user is responsible for formulating appropriate safety and protection measures and determining relevant regulations.
Applicability of restrictions.
1 Scope
This document defines the terms and definitions related to the test methods for evaluating the performance grade of petroleum asphalt and describes the
Test conditions, sampling, specimen preparation, test methods and evaluation of test results.
This document applies to solid or semi-solid petroleum bitumen binders for different purposes, and also to the residues of liquid bitumen and emulsified bitumen.
2 Normative references
The contents of the following documents constitute the essential clauses of this document through normative references in this text.
The version corresponding to that date applies to this document; for undated referenced documents, their latest versions (including all amendments) apply to this document.
GB/T 5304 Petroleum asphalt film oven test method
GB/T 11147 Asphalt sampling method
JTGE20-2011 Test procedures for asphalt and asphalt mixtures in highway engineering
NB/SH/T 0890 Test method for residual content of emulsified asphalt recovered by low temperature evaporation
SH/T 0099.4 Determination of evaporation residue content of emulsified asphalt
SH/T 0099.16 Determination of residue content in emulsified asphalt (low temperature and reduced pressure distillation method)
SH/T 0736 Asphalt rotating film oven test method
3 Terms, definitions and symbols
3.1 Terms and Definitions
The following terms and definitions apply to this document.
3.1.1
Complex shear modulus complexshearmodulus
The ratio calculated by dividing the peak value of shear stress (τ) by the absolute value of the peak value of shear strain (γ).
3.1.2
Phase Angle
The difference between the applied sinusoidal strain and the generated sinusoidal stress in the controlled strain mode, or between the applied stress and the generated sinusoidal stress in the stress test mode, is
The radian angle difference caused by the time lag between the strains generated.
3.1.3
Short-term aging
Aging of asphalt caused by heat and air during the production of asphalt mixtures.
Note. This document refers to short-term aging in a rotary film oven.
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