Download PDF by ACI: ACI 372R-03: Design and Construction of Circular Wire and


ISBN-10: 0870311247

ISBN-13: 9780870311246

This record offers ideas for the layout and development of wrapped, round, prestressed concrete buildings popular for liquid or bulk garage. those constructions are built utilizing skinny cylindrical shells of both concrete or shotcrete. Shotcrete and precast concrete middle partitions comprise a skinny metal diaphragm that serves either as a liquid barrier and vertical reinforcement. Cast-in-place concrete middle partitions include both vertical prestressing or a metal diaphragm. strategies are given for circumferential prestressing completed through twine or strand wrapping. In wrapping, the twine or strand is absolutely tensioned prior to putting it at the structural center wall. strategies for combating corrosion of the prestressing parts are emphasised. The layout and development of dome roofs also are covered.
Many strategies of this record can be utilized to related buildings containing low-pressure gases, dry fabrics, chemical substances, or different fabrics in a position to growing outward pressures. This record isn't really meant for program to nuclear reactor strain vessels or cryogenic containment buildings.

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Additional resources for ACI 372R-03: Design and Construction of Circular Wire and Strand Wrapped Prestressed Concrete Structures

Sample text

T 0: Tpr z35O0F, Eic * E: Tpr t400°F,r;C I: f 800 a ~ __ --- 0 ? 375 inchcr -2 lobo r I __t 2000 DEPTH OF TWO PHASE ZONE, FT.

TWO PHASE WELLHEAD PRESSURE CURVES 53 DEPTH OF TWO PHASE ZONE. FT. GRAPH LB-8 :TWO PHASE WELLHEAD PRESSURE r, CURVES 54 DEPTH OF TWO PHASE ZONE, FT. 'Tpr =5000F, & = 600,000 l b / h r 800,000 l b / h r 600,000 l b / h r 800,000 l b / h r 600,000 l b / h r DEPTH OF TWO PHASE ZONE, FT. GRAPH LC-2: TWO PHASE WELLHEAD PRESSURE CURVES 6 4 . I I cn e c w 0: 2 tn cn W a e 0 a W I J J W 3 IO DEPTH OF TWO PHASE ZONE, FT. 063 inches DEPTH OF TWO PHASE ZONE, FT. GRAPH LC-4: TWO PHASE WELLHEAD PRESSURE CURVES 57 Legend At Tpr 8: Tpr C* Tpr D: Tpr E: Tpr Diornettr =300°F, & = ~ 3 0 F, 0U ~= =350*F,li4 = =35OOF, ti!

These are t h e values computed i n the two previous steps. This f i n a l i n t e r p o l a t i o n gives a wellhead pressure t h a t has been corrected f o r both temperature and mass flowrates o u t s i d e the input d i s c r e t e parametetlzation. 0 Using t h e wellhead pressure found i n the l a s t step, f o l l o w the Design Data Sheet sequence t o o b t a i n the o t h e r wellhead f l u i d conditions. The user should be aware t h a t l i n e a r i n t e r p o l a t i o n s are an approximation technique, and t h a t the r e s u l t s t h a t use i n t e r p o l a t i o n w i l l not be as accurate as those obtained d i r e c t l y from the d i s c r e t e parameterization i n p u t .

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