TOP-TO-BOTTOM CONSTRUCTION SYSTEM

The present invention discloses a nesting element for use in a hollow pile. The nesting element is configured to be retained at an opening defined in a wall of the pile. The nesting element comprisesa surface that is configured such that, in use, the surface substantially conforms to an internal profile at a transverse cross-section of the pile. Also disclosed are a pile system that employs one or more nesting elements in one or more respective piles, and an installation system for installing the pile system into the ground. Additionally, a method of constructing a retaining wall using the pile system and installation system is disclosed. 本申请公开了一种用于空心桩的嵌套件。该空心桩的一壁面开设有一开口，该嵌套件设在开口处，在使用该嵌套件时，该嵌套件的一表面基本上与该空心桩的横截面区域的内部轮廓相匹配。本申请还公开了一种桩系统，该桩系统在一个或多个对应的空心桩中采用一个或多个嵌套件。本申请还公开了一种用于将桩系统安装到地下的安装系统，此外，还公开了一种使用该桩系统和该安装系统建筑该挡土墙的方法。