FHWA FP-24
Section 720 — Structural Wall and Stabilized Embankment Material
FP-24 · Division 700 — Material. Full current text with cross-references on BuildSpec.
Section 720. — STRUCTURAL WALL AND STABILIZED EMBANKMENT MATERIAL EMBANKMENT MATERIAL 720.01 Mechanically- Stabilized Earth Wall Material. (a) Segmental retaining wall units. Conform to ASTM C1372 and the following: (1) Net area compressive strength, ASTM C140 4000 psi minimum (2) Freeze -thaw durability , ASTM C1262 1 percent maximum weight loss after 100 cycles for five of five specimens tested in saline solution or 1.5 percent maximum weight loss after 150 cycles for four of 5 specimens tested in water (3) Absorption, ASTM C140 5 percent maximum (4) Height, nominal 8 in (5) Connection and…
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