A question: Is there any organic material present?
Also, given the nature of sand (a friction material) one might consider taking advantage of the fact that all settlement will be immediate. How high is the building in question? If, say 80 %, of the load is applied during construction then the...
Generally, any book will do (almost). Although I'm not sure how much the applicable standards deviate. In Denmark we make the assumption that the soil is perfectly plastic. This simplifies calculations significantly and then you just have to check if the sheet pile in guestion can handle the...