G. Settlement and bearing capacity improvement techniques
(1) Surcharge (two-phase construction) to hasten anticipated settlement
(2) Drainage (wick drain) to hasten anticipated settlement in fine-grain silt
and clay substructure materials
(3) Excavation and compaction of a portion of weak foundation material
(4) Addition of reinforcement to subsoil
(5) Use of lightweight fill material to minimize loads beyond existing precompression
of foundation materials
H. Methods of reducing settlement on reinforced mass
(1) Increasing compaction of fill material
(2) Using more reinforcements (length, area, and spacings of reinforcements)
(3) Cement treatment of fills
(4) Reducing clay content of fill
(5) Using high-density in situ micronails
I. Earth pressure applied at facing
(1) High: facing with posttensioned anchors
(2) Medium-high: mechanically stabilized earth wall with full-height panels
(3) Medium: rigid concrete facing with inextensible reinforcements
(4) Medium-low: concrete panel facing with extensible reinforcements
(5) Low: concrete panel facing with nailed soil