Compound french drain

The utility model discloses a compound french drain. Wherein be provided with main french drain on the brickbat tamp layer, the collector pipe is placed in main french drain, and it has the cobble loaded filter to fill between main french drain and the collector pipe, and one side of main french dra...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	Xu Xianggen, Fang Yinqing, Tu Xiaoyan, Deng Qiang
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	EMBANKMENTS EXCAVATIONS FIXED CONSTRUCTIONS FOUNDATIONS HYDRAULIC ENGINEERING SOIL SHIFTING UNDERGROUND OR UNDERWATER STRUCTURES
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