Manhole lid with concrete active powder

The utility model relates to a manhole lid with concrete active powder for checking manholes in urban facilities. The utility model has the advantages of low production cost, high carrying capacity, and good anti-impact and anti-fatigue performances, good weatherability, small thickness, light weigh...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	WEI LIU, FENG XING, ZHENGLIANG CAO, LIDONG HUANG, ZIHU FANG, LIANGPENG DENG, HAN LU
Format:	Patent
Sprache:	eng
Schlagworte:	EMBANKMENTS EXCAVATIONS FIXED CONSTRUCTIONS FOUNDATIONS HYDRAULIC ENGINEERING SOIL SHIFTING UNDERGROUND OR UNDERWATER STRUCTURES
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