EXTENDABLE PERFORATED PIPE

The present invention relates to an extendable perforated pipe having an improved structure so as to prevent clogging of through-holes with external soil, wherein the extendable perforated pipe can be formed in a spiral pipe shape by spirally winding a material and can be extended in the longitudina...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	CHO, Kyung Sun
Format:	Patent
Sprache:	eng ; fre ; kor
Schlagworte:	EMBANKMENTS EXCAVATIONS FIXED CONSTRUCTIONS FOUNDATIONS HYDRAULIC ENGINEERING SOIL SHIFTING UNDERGROUND OR UNDERWATER STRUCTURES
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