California LINKS to more info - Impact pier infosheet (pdf) What is Geopier? Geopier FAQ RAP vibro rod - Impact pier LIQUEFACTION Control Soil reinforcement Densification... is an advancement of vibro replacement stone columns and an improvement on the proven and successful Geopier soil reinforcement method. With over ten years of proven performance in California... to support of heavy foundation loads. Applications include: Settlement Control: stiffen loose/soft soil for footing support Liquefaction Mitigation: reinforce + densify + drain...

are pumped into the ground under pressure with structural concrete and rebar reinforced for lateral loads to resist bending and shear. DDP include a center rebar typically... uplift loads like hydrostatic pressures on tanks and foundations below groundwater. DGA are pumped into the ground with structural concrete and rebar reinforced with a center rebar... high pressure concrete injection is the key to quality. STRENGTH DDP = 3,000 to 5,000 psi concrete plus heavy reinforcement for high seismic strength. Use single bar for Ground Anchor...

concrete plus heavy reinforcement for high seismic strength. Use single bar for Ground Anchor. CAPACITY Injection of grout or concrete under high pressure provides soil... improvement in loose and soft soil zones maximizing capacity. Individual steel reinforced ACP reach capacities of 100 to 500 kips ASD. PROVEN FHWA cites auger cast piles as highway designers...

(spread and strip footings) as an alternate to deep foundations. A Geopier Intermediate Foundation does two things at once: first, it vertically reinforces the soil around.... No complicated steel or concrete connections, only conventional shallow spread footings over Geopier RAP reinforced soil. Hence the name "intermediate foundation system... dense, stiff, rock pier that expands the drilled shaft and reinforces the soil. The RAP pre-consolidation technique, also pre-strains and pre-stresses the soil laterally...

reinforce poor soil for heavy foundation loads. Typical applications include spread footing or mat support for buildings up to 18 stories, water and fuel storage tank support..., support of MSE walls, stiff aggregate reinforcement in landslides, and general applications for sites requiring higher strength to support heavy loads. Impact piers are commonly used...