Cover plate of drainage ditch in tunnel and manufacturing method of cover plate

The invention relates to the technical field of cover plates, in particular to a cover plate of a drainage ditch in a tunnel and a manufacturing method of the cover plate. The thickness of the cover plate is 2-3 cm, and one or more ventilation holes penetrating through the upper surface and the lowe...

Ausführliche Beschreibung

Gespeichert in:

Bibliographische Detailangaben
Hauptverfasser:	TAN FUSHENG, PENG BIN, YU HERAN, LIU JIANYOU, WANG YANG, CHEN XUEFENG, LYU GANG, CHEN WUER, MA FUDONG, JIANG XIAORUI
Format:	Patent
Sprache:	eng
Schlagworte:	ARTIFICIAL STONE CEMENTS CERAMICS CHEMISTRY COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS CONCRETE EARTH DRILLING FIXED CONSTRUCTIONS LIME, MAGNESIA METALLURGY MINING PERFORMING OPERATIONS REFRACTORIES SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, ORDRAINING IN OR OF MINES OR TUNNELS SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS, SLAG, OR MIXTURESCONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER SLAG TRANSPORTING TREATMENT OF NATURAL STONE WORKING CEMENT, CLAY, OR STONE
Online-Zugang:	Volltext bestellen
Tags:	Tag hinzufügen Keine Tags, Fügen Sie den ersten Tag hinzu!

Schreiben Sie den ersten Kommentar!