Download PDF ACI 237R-07: Self-Consolidating Concrete

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The slump flow test can be used in production to assess the consistency of SCC. Each section is removed individually and the concrete in the top and bottom sections washed over a No. Manual of Concrete Practice-7 Volume Set.

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After 15 minutes, the mold is separated into three sections representing the top, middle, and bottom of the cylinder. A seld-consolidating of freshly mixed concrete is placed in the cone in one lift without tamping or vibration.

ACI Certification - Self-Consolidating Concrete Testing Technician

Enter your personal account email address to request a password reset: Copyright Compu-tecture, Inc. Your opinions and contributions are welcome. Use of Fly Ash in Concrete.

American Concrete Institute

No items in cart. The flow rate is determined by measuring the time it takes for the outer edge of the concrete to reach a diameter of 20 in. The stability can be observed by visually examining the concrete patty for evidence of segregation. The J-Ring is placed outside the slump cone so that the concrete flows through the legs of the ring when the cone is lifted.

Please contact the Editor: Please login to your authorized staff account to use this feature. The mold is lifted and the concrete allowed to spread. The slump flow with and without the J-Ring is measured.

ACI has over 95 chaptersstudent chapters, and nearly 20, members spanning over countries. Table 3. Testing protocol.

Visual stability index criteria. The VSI is determined through visually rating apparent stability of the slump flow patty based on specific visual properties of the spread. Table 4. The results of fresh properties tests. The results of the hardened properties tests are shown in Table 5. The representations of the results are shown as a comparison between VSI 1 and VSI 2 for both fresh and hardened properties. And have good hardened properties when combined with OPC only. The results of hardened properties tests. Mix VSI psi psi ksi psi psi ksi 1 1 2 2 3 Conv.

Materiales de Construcción, Vol 60, No 299 (2010)

Adekunle, Saheed Kolawole. ASTM, "C Elhassan, Ammar Elfatih Abdelssamd. Khayat, K. Comparison of field-oriented test methods to assess dynamic stability of self-consolidating concrete. ACI Materials Journal, 2 , Koehler, Eric Patrick. Aggregates in self-consolidating concrete.

ProQuest, Mata, Luis Alexander.

ACI R 07 Self Consolidating Concrete (1) - [PDF Document]

Vachon, Martin. Related Papers.

High Volume Fly Ash Concrete. By Bay Hoang. A nonmandatory appendix of ASTM C provides a procedure for a relative measurement of flow rate, viscosity, and stability. The flow rate is determined by measuring the time it takes for the outer edge of the concrete to reach a diameter of 20 in. The flow rate is influenced by the concrete's viscosity. The stability can be observed by visually examining the concrete patty for evidence of segregation.

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The J-Ring is placed outside the slump cone so that the concrete flows through the legs of the ring when the cone is lifted. The slump flow with and without the J-Ring is measured. A difference of less than 1 in. A difference greater than 2 in. The test method is suitable for use in the laboratory and in the field. After 15 minutes, the mold is separated into three sections representing the top, middle, and bottom of the cylinder. Each section is removed individually and the concrete in the top and bottom sections washed over a No.