What Is a Soil Mix Wall Design?
Soil mix walls (the DSM — the deep soil mixing; the auger's — the blended) create the cutoff or the retention (the columns' — the overlapped; the 2-4 foot) by mixing (the in-situ — the soil's; the cement's — the grout's). The wall: the gravity (the unreinforced — the mass), the reinforced (the beams' — the inserted; the soldier's), and the cutoff (the permeability's — the 1e-7). The ground's — the mixed in place.
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How mixing works
The augers (the 2-4 — the overlapping; the 2-4 foot columns), the grout (the cement's — the injected; the mixed), the columns (the overlapped — the 8-12 inch; the wall's), and the spoil (the 10-30% — the generated; the managed).
Design
The strength (the UCS — the 100-500 psi; the mix's), the permeability (the 1e-6 to 1e-7 — the cutoff's), the gravity (the width's — the stability's; the unreinforced), the reinforced (the W-sections' — the inserted; the moments'), and the QC (the wet grab — the tested; the coring's — the verified).
Applications
The cutoff (the levees' — the seepage's; the dams'), the excavation (the support's — the braced; the 30-foot), the liquefaction (the grid's — the densified; the mitigated), and the remediation (the S/S — the stabilized; the solidified). The DSM is the versatile — the mixed wall, the multiple uses.
The bottom line
Design soil-mix (DSM) walls as overlapped 2-4 ft augered columns (100-500 psi UCS, 1e-7 permeability for cutoffs) — use gravity or soldier-beam-reinforced sections; verify with wet-grab and coring.
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