Cradle to Gate
Identity ID
8ba653ed-311d-4db7-bd9f-4e688c418499
Materials
Associated ID
c8c4e88c-fe8c-4b47-9ed2-806885bf31a9
Included activities starts
Included activities ends
Description
Prestressed concrete pipe piles can be applied in construction, railway, highway, bridge, port, and dock projects; the dataset includes major raw and auxiliary materials, energy consumption, atmospheric emissions, and water discharges from the production process. Infrastructure such as manufacturing of production equipment and plant construction are not included within the system boundary of the dataset. The life cycle inventory is compiled from data derived from multiple sources. The manufacturing process of prestressed concrete pipe piles includes batching, feeding, mold closing, tensioning, centrifugal forming, residual slurry recovery, steam curing of the formed piles, and demolding.
Activity Description
The production process of prestressed concrete pipe piles includes batching, feeding, mold closing, tensioning, centrifugal forming, residual slurry recovery, steam curing of the formed pipe piles, demolding, and other procedures.
Process Description
Pretensioned prestressed concrete pipe piles are a type of foundation pile combining concrete and PC steel bars. They are widely used in multi-story residential buildings, high-rise buildings, multi-story industrial plants, railways, highways, urban elevated roads, interchanges, urban light rail systems, port terminals, airports, agricultural facilities, and civil engineering projects in the power and metallurgy sectors.
Time period
2019
2026
Geography
China
Macroeconomic value
Business-as-Usual
Data validation
Yes
Technology
Current Technology
Technology comment
Pretensioning is a construction technique where prestressed tendons are tensioned before concrete pouring. The tensioned prestressed tendons are temporarily anchored to a pretensioning bed or steel formwork, and then concrete is poured. When sufficient bond strength between the prestressing tendons and concrete is achieved, the tendons are released. Through the bond between the concrete and the prestressed tendons, the concrete is subjected to prestress. Pretensioning is generally only suitable for producing small and medium-sized components and is typically carried out in fixed precast plants.