دوره کاربرد آزمایشات کارگاهی مصالح سنگی-سطح دو
Definition:
An Aggregate Testing Technician—Level 2 is an individual who has demonstrated the knowledge and ability to properly perform, record, and report the results of advanced laboratory procedures for aggregates.
Scope and Knowledge:
The program requires a working knowledge of the following AASHTO and/or ASTM standards:
T 96/C131/C131M*—Resistance to Degradation of Small-Size Coarse Aggregate by Abrasion and Impact in the Los Angeles Machine
C535—Resistance to Degradation of Large-Size Coarse Aggregate by Abrasion and Impact in the Los Angeles Machine
T 112/C142—Clay Lumps and Friable Particles in Aggregate
D4791—Flat Particles, Elongated Particles, or Flat and Elongated Particles in Coarse Aggregate
T 19M/T 19 / C29/C29M—Bulk Density (Unit Weight) and Voids in Aggregate
T 104/C88*—Soundness of Aggregates by Use of Sodium Sulfate or Magnesium Sulfate
T 113/C123—Lightweight Pieces in Aggregate
T 176/D2419—Plastic Fines in Graded Aggregates and Soils by Use of the Sand Equivalent Test
T 304/C1252—Uncompacted Void Content of Fine Aggregate
D5821—Determining the Percentage of Fractured Particles in Coarse Aggregate
*Written exam only
در انبار موجود نمی باشد
9,800,000 ریال
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Certification Requirements:
ACI will grant certification only to those applicants who meet the following requirements:
Hold current certification as an ACI Aggregate Testing Technician—Level 1, and
Obtain a passing grade on the ACI written examination, and
Successfully complete the ACI performance examination.
The two-hour written examination is open-book and consists of approximately 100 multiple-choice questions. There are 8 to 12 questions on each of the standards.
To pass the written examination, both of the following conditions must be met:
At least 60% correct for each of the required standards, and
A minimum score of 70% overall.
The performance examination is closed-book and requires actual demonstration of the required standards. The examinee is judged on his/her ability to correctly perform or describe all of the required procedures for each standard.
Recertification is necessary every five years and requires successful completion of both the written and performance examinations.Study Material:
Call 021-88664151 to order and/or obtain current pricing on Aggregate Testing Technician – Level 2
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