Effect of Improvement and Application of Composite Prefabricated Vertical Drain Method in Marine Soft Ground: A Case Study

Figure 2

Layout sketch and construction sequence of CPVDs (PBDs and SWDs): (a) plan layout of plastic board drains (PBDs) and sand wick drains (SWDs) at test section; (b) schematic diagram of 1-1 cross section; construction sequence of (c) PBD area and (d) SWD area; (e) construction of two types of vertical drainage channels.

(a)

(b)

(c)

(d)

(e)