No 43 post tensioned concrete floors design handbook – the second edition
Post tensioned concrete floors – the concrete centre
... Post- tensioned Concrete Floors PAGE ii Contents Development of Post- tensioned Floors Principles of Post- tensioned Floors Introduction In the UK, the use of post- tensioned (PT) concrete floors ... Ltd Post- tensioned Concrete Floors PAGE DEVELOPMENT OF POST- TENSIONED FLOORS The ‘pre’ in pre-stressing describes the stress applied before any norma...
Ngày tải lên: 27/04/2016, 23:10
slab thickness design for industrial concrete floors on grade
Ngày tải lên: 26/08/2015, 19:20
A study of prestress losses of post tensioned beams cast with self compacting concrete and conventional concrete
... structures This research is undertaken to study and compare the prestress losses of SCC prestressed beams with that of conventional concrete prestressed beams at transfer, after transfer and during service ... SCC prestressed beams to that of the conventional concrete prestressed beams due to creep and shrinkage at transfer, after transfer and during serv...
Ngày tải lên: 26/09/2015, 10:13
HVAC Systems Design Handbook part 6
... website Design Procedures: Part Design Procedures: Part 165 Figure 6. 9 shows flow versus head loss (pressure drop per 100 ft) and velocity in schedule 40 steel pipe This is for water at 60 ЊF, but ... the Terms of Use as given at the website Design Procedures: Part Design Procedures: Part TABLE 6. 8 169 Iron and Copper Elbow Equivalents See Table 6. 7 for equivalent length...
Ngày tải lên: 17/10/2013, 22:15
HVAC Systems Design Handbook part 8
... the Terms of Use as given at the website Design Procedures: Part Design Procedures: Part 237 Figure 8. 18 Pitot-tube flow sensor V ϭ C͙VP (8. 4) where, for HVAC work, V is in feet per minute and VP ... as given at the website Design Procedures: Part Design Procedures: Part 245 Figure 8. 28 Straight-through (two-way) control valve Control valves A control valve (Fig 8. 28...
Ngày tải lên: 20/10/2013, 16:15
HVAC Systems Design Handbook part 7
... at the website Design Procedures: Part Design Procedures: Part 219 Figure 7. 17 Engine driven cogeneration configured flow diagram (P&ID) for the proposed system with subsequent design for each ... The HVAC systems designer will recognize plants as potential areas of specialty experience as assignments and interest allow References ASHRAE Handbook, 2000 HVAC Systems and Equ...
Ngày tải lên: 20/10/2013, 16:15
HVAC Systems Design Handbook part 9
... Equipment: Part Equipment: Part 299 Air out Screen Condenser coil Hot gas in Liquid out Air in Figure 9. 11 Air-cooled condenser coil face area, fan airflow rate, desired condensing temperature, and design ... of Use as given at the website Equipment: Part Equipment: Part 3 09 Figure 9. 22 Partial section through a finned coil that area may look good to the designer, but the syst...
Ngày tải lên: 24/10/2013, 15:15
HVAC Systems Design Handbook part 10
... at the website Equipment: Part Equipment: Part 355 Figure 10. 29 Psychrometric chart for Fig 10. 28, without heat recovery Figure 10. 30 Psychrometric chart for Fig 10. 28, with heat recovery Downloaded ... given at the website Equipment: Part Equipment: Part 363 Figure 10. 38 Humidifier with radiant heater Ⅲ Airflow rate: 10, 000 ft3 /min with 20 percent outside air Ⅲ At desig...
Ngày tải lên: 24/10/2013, 15:15
HVAC Systems Design Handbook part 11
... subject to the Terms of Use as given at the website Equipment: Part Equipment: Part 379 Figure 11. 11 Fan and system curves for Fig 11. 10 If no fan volume control device is used, the fan will nevertheless ... hoods and exhaust systems Laboratory and industrial fume hoods require large exhaust air quantities Several standards cover the design of some types of exhaust systems. 1,2...
Ngày tải lên: 28/10/2013, 22:15
HVAC Systems Design Handbook part 12
... Features of HVAC Systems 406 Chapter Twelve UPS systems may be a useful, even required component of a critical HVAC service and will be included in the HVAC and electric system design UPS systems ... The HVAC designer must work closely with the electrical designer to satisfy the needs of both disciplines 12. 13 Summary In building construction, HVAC design is interwoven w...
Ngày tải lên: 07/11/2013, 19:15
HVAC Systems Design Handbook part 13
... the Terms of Use as given at the website Design Documentation: Drawings and Specifications Design Documentation: Drawings and Specifications 13. 3.1 413 Drawing size and scale Drawing size and ... product 13. 3.9 Use of computers in drafting The use of computers in design, drafting, and specification writing has proliferated in recent years.2 Computer-aided design and drafting (CADD)...
Ngày tải lên: 07/11/2013, 19:15