To better understand the characteristics of seismic response nuclear power stations with fixed-base and pile-raft foundations, a series shaking table tests were performed. The included three cases: free-field soil, structure without superstructure foundation embedded in soil. One white noise excitation earthquake motions different intensity selected as ground motion to identify structure, raft,...

Received: February 5, 2018 Revised: February 23, 2018 Accepted: February 26, 2018 Abstract: Background: The analysis of piled foundations, where horizontal environmental loads play a very important role, has taken foundation design a step further in the 1970s and 80s. Nonlinear analyses considering P-y, T-z and Q-z curves became the state-of-the-art which also included group effect calculations...

The uplift of the raft foundation of reinforced concrete buildings, and the consequent partial loss of contact between soil and foundation, is a possible effect of an earthquake. Actually, reinforced concrete buildings with raft foundation are commonly used in nuclear power plants. In this context, some simplified approaches for uplift evaluation have been proposed in the past and are still use...

In the case of using pile technology in construction and reconstruction buildings structures, issue assessing settlement foundations arises quite sharp-ly. Modern regulatory documents do not reflect reliable methods for calculating pile-raft foundations, especially if short piles are used (with a length 3-10 m). The ar-ticle provides calculation methodology that makes it possible to assess taki...