The adoption of large-span bond-free prestressed concrete technology and tensioning device have ensured construction quality and saved construction cost of highrise building.
在高层建筑施工中采用大跨度无粘结预应力技术，并对其中的铺放技术、穴模加工、张拉设备等进行改造，使工程质量得到保证，成本也有降低。
The construction of the steel hoop bracket is simple, and with a lot of brackets saved, the cost is reduced and the rate of construction is quickened.
这种包箍托架施工简便，可节省大量支架，降低成本，加快工程进度。
Therefore, the capacity of the olod tailing store is increased, cost for a new one saved and the construction period shortened.
扩大了老坝库容，节省另建设新坝的费用和缩短了建设工期。
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