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Suggested Solite®
and Kenlite® Geotechnical
Fill Specifications
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The information
listed below is a suggested specification for Solite®
and Kenlite® Lightweight Aggregate soil fill. It is best to consult with a
Sales Representative during a project's conceptual design phase in
order to specify the most appropriate geotechnical material physical
properties.
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Materials
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Lightweight Aggregate fill shall be Solite®,
Kenlite® Lightweight Expanded Shale
Aggregate or approved rotary kiln produced
expanded shale substitute meeting all the requirements of a recently
completed (2 years max.) ASTM C 330 certification. No by‑product
slags, coal derived by-product aggregates
(cinders, bottom ash, fly ash) or pumice, scoria, tuff are permitted.
Lightweight aggregate shall have a proven record of durability and be
non‑corrosive (less than 100 ppm chloride when measured by AASHTO T 260) with the following physical properties:
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A. |
Delivered Gradation: |
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Sieve Size |
% Retained
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3/4” (19.0 mm) |
0-10 |
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1/2” (13.0 mm) |
30-50 |
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3/8” ( 9.5
mm) |
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#4 (5.0 mm)
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90-100
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B.
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The dry loose unit weight shall be less than 45 pcf (720 kg/m3). The lightweight aggregate producer shall submit verification of a compacted density of less than 60 pcf (960 kg/m3) when measured by a one point proctor test conducted in accordance with ASTM D 698, "The Standard Test Methods for Moisture - Density Relations of Soils and Soil‑Aggregate Mixtures Using a 5.5 lb. Hammer and 12 inch Drop" (AASHTO T 99).
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C.
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The lightweight aggregate producer shall submit verification that the angle of internal friction shall be greater than 40° when measured in a triaxial compression test on a laboratory sample with a minimum diameter of 10 inches. (ASTM D 698).
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D.
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The maximum Los Angeles Abrasion loss when tested in accordance with ASTM C 131 Modified (B grading) shall be <30%.
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E.
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The minimum permeability shall be 2.5cm/sec when tested in accordance with theASTM D 2434.
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F.
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pH between 6.5 and 9.0
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G.
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Absorption: ASTM C-127 (24 hours)
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Maximum: |
15% |
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Minimum:
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9%
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H.
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Soundness: ASTM C 88
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Maximum 3% loss using the Magnesium Sulfate method.
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