PRESSUREMETER GIVES ELEMENTARY MODEL FOR LATERALLY LOADED PILES.

The soil reaction to the lateral movement of a pile is composed of frontal reaction and friction resistance at the sides of the pile. At working loads the contribution due to friction is large, but decreases as the ultimate load is reached. This is due to the fact that it takes very small movements to mobilize friction while it takes larger movement to mobilize front resistance. Three examples of laterally loaded piles are used to prove this point. The preboring pressuremeter curve gives a good representation of the front resistance mobilization model provided appropriate shape factors are considered. The preboring pressuremeter curve can be used to obtain a friction resistance mobilization model with appropriate shape factors; this model can still be improved. The method which has been presented contains very little empiricism and has therefore great potential for future applications to more complicated loadings such as dynamic loading, cyclic loading, creep loading. Furthermore, it is felt that the pressuremeter will play a key role in the characterization of these more complicated models.

PRESSUREMETER GIVES ELEMENTARY MODEL FOR LATERALLY LOADED PILES. Conference Paper