370mm Soil Mix Wall Auger Tripe Soil Mixing Wall Auger with 254mm Connector Match bauer-Rg Rg19t, bauer-Rg21t, bauer-Rg18s, bauer-Rg22s

550mm Soil mix wall auger smw550mm with 254mm connector match bauer-Rg Rg19t, bauer-Rg21t, bauer-Rg18s, bauer-Rg22s

Soil mixing wall smw is cost effective technology for construction of wall for cut off wall,retaining wall as well ground improvement,wall depth generally are 6-15m
Main advantage of soil mixing wall
Other brand soil mix wall , other size soil mixing wall auger,soil mixing paddle can produce according to client requirement
Small to medium size rig can be used
Soil mix wall auger smw370mm with 254mm coupling match  RG14T,RG16T, RG19T,RG21T,RG18S,RG22S
Soil mixing wall auger smw370mm with 254mm hexagonal joint match  RG14T,RG16T, RG19T,RG21T,RG18S,RG22S
Soil mix wall auger smw550mm with 254mm coupling match  RG14T,RG16T, RG19T,RG21T,RG18S,RG22S
Tianjin huachang xingye technology co ltd
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Soil Mixing Wall (SMW) augers—commonly configured as multi-shaft earth augers (multi-augers)—are the foundational tool for creating continuous, water-tight cut-off and structural retaining walls via the in-situ wet mixing method. By injecting a self-hardening cement/bentonite slurry through a hollow stem while counter-rotating overlapping flights, they transform native soil into a homogeneous soil-cement columns series.

1. Key Technical Specifications & Configurations

The tooling setup is highly dependent on the desired wall thickness, design depth, and base carrier capacity .Multi-Shaft Layouts

Triple Axis (3-Shaft): The global industry standard for standard SMW lines. It drills three overlapping columns simultaneously, drastically reducing installation time and ensuring joint continuity.

Twin Shaft (2-Shaft): Often deployed for deeper, high-torque applications or larger diameter columns where a 3-shaft unit would exceed the rig's torque or crowd limitations.

5-Shaft Units: Typically reserved for shallower, high-production cut-off or stabilization walls (e.g., 450 mm diameters).

Standard Tooling Parameters

Parameter	Typical Range (Standard)	Heavy / Deep Range
Auger Flight Diameters ($\varnothing$)	550 mm – 650 mm	850 mm – 1,200 mm+
Finished Wall Thickness	450 mm – 590 mm	770 mm – 1,000 mm+
Max Construction Depth	15 m – 30 m	45 m – 65 m+
Shaft Center Distance	350 mm – 450 mm	600 mm – 800 mm+
Connection Type	Hexagonal joint with locking pins	Heavy high-torque flange / splined drive

2. Structural Design Elements of the Tooling

An SMW auger assembly is divided into distinct zones to manage soil breakdown, fluid transmission, and aggressive blending:Section 1: The Pilot Bits & Cutting Heads: Positioned at the tips of the shafts. The center shaft often features a slightly longer lead pilot to ensure vertical alignment and track preservation.Section 2: Alternating Discontinuous Flights: Unlike a continuous flight auger (CFA) designed to discharge spoil, SMW flights are short and broken up by mixing paddles/wings. Section 3: Counter-Rotation Mechanism: Outer shafts typically rotate clockwise while the center shaft rotates counter-clockwise. This shearing action prevents the entire soil mass from spinning in place and ensures an ultra-homogenous blend