ACI Iran Chapter Aggregate Testing Technician – Level 1 & Level 2

Definition:
 An ACI Aggregate Testing Technician—Level 1 and Level 2 is an individual who has demonstrated the knowledge and ability to properly perform, record, and report the results of basic field and laboratory procedures for aggregates.

The program requires a working knowledge of the following AASHTO/ASTM standards:

• INSO 448-1393 سنگدانه ها -مقاومت سنگدانه درشت کوچک اندازه در برابر سایش و ضربه در دستگاه لس آنجلس -روش آزمون
• INSO 8447-1396 سنگدانه
• INSO 4978-1393 سنگدانه ها-کلوخه های رسی و دانه های سست -روش آزمون
• INSO 11269-1393 سنگدانه-دانه های پهن-دانه های دراز،دانه های هم پهن و هم دراز در سنگدانه درشت-روش آزمون
• INSO 4981-1396 سنگدانه- تعیین چگالی انبوهی (وزن واحد) و فضاهای خالی- روش آزمون
• INSO 449-1395 سنگدانه -سلامت سنگدانه با استفاده از محلول سولفات سدیم یا منیزیم – روش آزمون
• INSO 4984-1398 سنگدانه- آزمون ذرات سبک
• INSO 1685-1393 خاک-تعیین مقدار هم ارز ماسه ای برای خاک ها و مصالح ریز دانه -روش آزمون
• ASTM C1252 – 17 مقدار فضای خالی غیر متراکم سنگدانه ریز (ماسه)
• INSO 11568-1395 سنگدانه -تعیین درصد شکستگی سنگدانه های درشت -روش آزمون

• AASHTO T 96-02(2010)/ASTM C131/C131M – ۰۱*—Resistance to Degradation of Small-Size Coarse Aggregate by Abrasion and Impact in the Los Angeles Machine.
• ASTM C535 – ۱۲—Resistance to Degradation of Large-Size Coarse Aggregate by Abrasion and Impact in the Los Angeles Machine.
• AASHTO T 112-00(2012)/ASTM C142 – ۹۷—Clay Lumps and Friable Particles in Aggregate.
• ASTM D4791 – ۱۰—Flat Particles, Elongated Particles, or Flat and Elongated Particles in Coarse Aggregate.
• AASHTO T 19M/T 19-09/ASTM C29/C29M – ۰۷—Bulk Density (Unit Weight) and Voids in Aggregate.
• AASHTO T 104-99(2011)/ASTM C88 – ۱۳*—Soundness of Aggregates by Use of Sodium Sulfate or Magnesium Sulfate.
• AASHTO T 113-06(2010)/ASTM C123 – ۰۴—Lightweight Pieces in Aggregate.
• AASHTO T 176-08/ASTM D2419 – ۱۴—Plastic Fines in Graded Aggregates and Soils by Use of the Sand Equivalent Test.
• AASHTO T 304-11/ASTM C1252 – ۰۶—Uncompacted Void Content of Fine Aggregate.
• ASTM D5821 – ۰۱(۲۰۰۶)—Determining the Percentage of Fractured Particles in Coarse Aggregate.

Certification Requirements:
ACI will grant certification only to those applicants who meet both of the following requirements:

A passing grade on the ACI written examination, and Successful completion of 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 standard.
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.

Certification is valid for a period of five years from the date of successfully completing all requirements.

Recertification requires successful completion of both the written and performance examinations.