一、前言 去年我院为大連煤气公司設計厂一個容量为22,000m~3煤气罐的貯水池,内徑37.6m,高11.5m,貯水容积13,000m~3,采用了預应力混凝土結构,比原設計鋼制水池方案节省了118吨鋼材,占原設計用鋼量的66％。水池的施工,由放大城市建設局第二工程公司負責鋼筋混凝土制作部分;鞍鋼建設公司所屬安裝工程公司負責预应力鋼筋的張拉部分。完工后,于去年六月做了貯水試驗,証明效 I. Introduction Last year, our hospital for Dalian Gas Company Design Factory a capacity of 22,000 m3 gas tank storage tank, an inner diameter of 37.6m, high 11.5m, storage capacity of 13,000m ~ 3, the use of prestressed concrete structure, the original design Steel pool program saves 118 tons of steel, accounting for 66% of the original design of steel. The construction of the pool will be enlarged by the second construction company of the Urban Construction Bureau in charge of the production of reinforced concrete. The installation engineering company owned by Angang Construction Company is responsible for the tension part of the prestressed steel bar. After completion, in June last year made a water test, to prove effective