Strength Characteristics of Normal Weight Aggregate Concrete with Diatomite Powder as an Admixture
V. Giridhar Kumar1, V. Pradeep2

1V.Giridhar Kumar, Assistant Professor, Department of Civil Engineering, G. Pulla Reddy Engineering College, Kurnool (A.P), India.
2V.Pradeep, PG Student, Department of Structural Engineering, G. Pulla Reddy Engineering College, Kurnool (A.P), India.
Manuscript received on 17 October 2014 | Revised Manuscript received on 24 October 2014 | Manuscript Published on 30 October 2014 | PP: 80-83 | Volume-4 Issue-5, October 2014 | Retrieval Number: E1822104514/14©BEIESP
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Abstract: Diatomite is a naturally available mineral resource material which contains large amounts of amorphous silica and cristabolite. It is available at a low cost in many areas. It provides a viable alternative admixture to cement in concrete. Investigations on concrete with diatomite as partial replacement of cement are presented in this paper. Results show that 28 – day compressive strength of mix with diatomite is 43.5 MPa at 10 percent partial replacement of cement. The mix shows similar trends for the development of split tensile strength as well as flexural strength. The investigations show that diatomite has a good potential as fine aggregate in concrete construction. It not only reduces the cost of construction but also helps to consume natural mineral resource material for few concrete applications .It is also used as a prime filter material for water treatment processes.
Keywords: Diatomite, Pozzolanas, Natural Mineral Material, Cement Replacement, Mechanical Properties of Concrete.

Scope of the Article: Concrete Structures