A Research On The Methods For Predicting Foundation Settlement

With the speedy developing of the economy in the coastal area, the engineering projects based on the soft soil are also developed rapidly. It becomes more and more a vital problem that how we can design and schedule reasonably in a soft soil engineering in the condition that certain work time and certain settlement after construction must be satisfied. And the only way to solve the problem is the settlement prediction.Reserch about settlement prediction has been carried out abroadly and profoundly by the scholars all over the world, which as a result gains a lot. But the mechanism of the soil settlement is very complicated since the settlement is influenced by the loading and the soil properties are so complexed. The methods for predicting foundation settlement in existence are always limited by the simplified presumptive conditions, which as a result causes the inconsistence between the calculated and the observed value. It is necessary to make more profound research in the field of settlement prediction.In this dissertation, on base of the existing work, the three-point method which is the mostly used method in the settlement prediction has been studied thoroughly firstly, which indicated and discussed the deficiency of the three-point method, and as a result an improved three-point method was put out; secondly, by analyzing the characteristics of the process of the foundation settlement we put forward the model for predicting foundation settlement based on "Law of Massaction". The predictive result was ideal as we applied it to the 3.rd coalfield project of Wenzhou Power Plant and project of Wenzhou Peninsula , which shows that the model deserve use in much more projects.