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View article: A Research on Preparation and Performance of Volcanogenic Sand Concrete from the Philippines
A Research on Preparation and Performance of Volcanogenic Sand Concrete from the Philippines Open
The river sand in the Santo Tomas River area of the Philippines is a kind of volcanogenic sand. The sand is fine sand with a fineness modulus of 2.2, an apparent density of 2380 kg/m3, a bulk density of 1320 kg/m3, a mud content of 6.7%, a…
View article: Properties of Slurry Shield Tunnel Sand and Its Application in Large Flow Concrete
Properties of Slurry Shield Tunnel Sand and Its Application in Large Flow Concrete Open
The amount of Slurry shield tunnel slag (SSTS) from the Beijing East Sixth Ring Road renovation project is about 3 million m3, and it is mainly fine and silt sand. In order to realize its resource utilization, the properties of SSTS and th…
View article: Fracture properties of hybrid fiber reinforced cement-based composites
Fracture properties of hybrid fiber reinforced cement-based composites Open
In this paper, the effects of base material strength (4 water-binder ratios) and BF volume content on the fracture performance of composite materials were adopted, and the fracture performance parameters of PVA/BF-ECC were measured by moni…
View article: How Long, Narrowly Constructed Wetlands Purify Irrigation Return Water: A Case Study of Ulansuhai Lake, China
How Long, Narrowly Constructed Wetlands Purify Irrigation Return Water: A Case Study of Ulansuhai Lake, China Open
The use of constructed wetlands (CWs) in the treatment of raw wastewater in China has proved to be very successful in recent decades. However, it is not known whether surface-flow constructed wetlands can effectively purify irrigation retu…