It has been shown by many engineering practices that dynamic consolidation replacement methodhas a good effect on soft foundation treatment which is still lacks being used to improve the foundation ofsand

gravel

clay collapsible loess and so on. Howerver

preferable theory of dynamic consolidation re-placement

for design and construction. This paper presents a systematic experiment investigation for softsoil treatment by dynamic consolidation replacement method in high embankment engineering of SichuanJiuzai-Huanglong Airport Ground

The experimental results of impacted settlement and ground upheavalare analyzed. The consolidation effect of foundation is inspected and evaluated by means of dynamic pene-tration test and laboratory geotechnical test. According to the results of experiment and inspection

theconclusion is drawn that consolidation effect is perfect as expected and the bearing capacity of foundation iseven higher than that of the design requirement. In addition

the physical and mechanical properties offoundation have been greatly improved and the dynamic penetration number in the range of 6m depth underthe ground is larger than 5. Presently

the experiment result has been used for the construction of AirportGround

and is also of value to other similar engineering.