PRESTRESSED CONCRETE DESIGN WORKSHOP THE WORKSHOP This course concentrates on the basic understanding of the fundamentals of prestressed concrete. It aims to demystify the subject for any who may feel daunted by it, by explaining the essential simplicity of prestressed concrete flexural theory. Both Pretensioned concrete AND Post Tensioned concrete (PT) will be covered in this Prestressed Concrete Design Workshop. Each 90 minute session will consist of two parts: (a) presentation by the course leader on the material to be covered in the session followed by (b) workshop tutorial segment. The participants will work on a structured series of exercises aimed at understanding the essential principles and procedures. Class sizes will be limited so register early. CALCULATORS REQUIRED (both days) PROGRAMME SPEAKER 8.30 - 9.00 Registration 9.00 - 10.30 Session 1 - Introduction Paul J. Uno BE MBdgSc MIE(Aust) CPEng Engineering Training Institute Australia DAY 1 Introduction to Workshop. Reasons for and effect of prestressing concrete beams. Properties of concrete and prestressing steel and their effect on prestress losses. Pre-tensioning and post-tensioning. Full and partial prestressing. Calculation of stresses in uncracked sections. 10.30 - 11.00 Morning Tea 11.00 - 12.30 Session 2 - Load Balancing, Losses and Uncracked Sections Equivalent load concept, Examples with straight, kinked and parabolic cables. The concept of load balancing and its applications in analysis and design. This session then addresses in detail, the losses that occur in both pre-tensioned and post-tensioned concrete. 12.30 - 1.30 Lunch - (Provided at venue) 1.30 - 3.00 Session 3 - Flexural Strength Calculating ultimate moment for sections with prestressing and reinforcing steel. Designing and checking for ductility; calculation of total strain in prestressing steel. Calculating additional reinforcement for the required moment capacity. 3.00 - 3.30 Afternoon Tea 3.30 - 5.00 Session 4 - Strength at Transfer & Elastic Cracked Section Analysis Possibility of failure during prestressing. Calculating the strength at transfer; conditions when it may be important in design. Elastic analysis of cracked prestressed concrete sections. Checking for serviceability. Software solutions and how to check them. DAY 2 9.00 - 10.30 Session 5 - PSC Shear Strength Formation of web shear and flexure shear cracking. Effect of prestress. Determination of ultimate strength in shear. Web crushing failure. Design of shear reinforcement. 10.30 - 11.00 Morning Tea 11.00 - 12.30 Session 6 - Anchorage of PT Cables Paul Uno has over 30 years experience in the design and construction industry. He has worked for companies such as CSR Readymix, Transfield, Boral, Spancrete (Precast Prestressed Hollowcore), Dept. of Housing, (AISC) Australian Institute of Steel Construction (now ASI), HH Robertson and the Cement and Concrete Association of Australia (CCAA). He presented precast concrete courses nationally for the NPCAA in 2005 and 2006 and was also acknowledged as a key contributor to the NPCAA/CIA publication “Precast Concrete Handbook”. He co-presented many prestressed courses throughout Australia from 2002 to 2012 with the late Prof Ken Faulkes, author of the text book “Prestressed Concrete”. He gained valuable prestress experience in the late 1970’s when he worked for Boral Spancrete, a prestressing precast hollowcore supplier. In 2009 he was engaged as a consultant for a high rise project in Canberra. Post tensioning had been used in the floor slabs but failure of anchorage blocks had occurred. He was therefore engaged by the concrete supplier to provide guidance on the possible causes of the failure. In 2010 he was engaged by an Insurance firm to act as a consultant on a prestressing job in VIC where post tensioning had been used in the PT floors of a large sewerage system. Cracks had developed and thus consultation was required to determine the possible cause of the cracking. In 2011 he wrote an article for Engineers Australia titled “What to do when Prestressing in Cold Weather” based upon the information gained from his involvement with such projects. He has been a member of the American Concrete Institute since 1992 and a member of the Concrete Institute of Australia since 1982. At present he is a University Senior Lecturer. He has lectured at the School of Civil Engineering, University of Sydney since 1999 in Properties of Materials (Concrete). He also lectured at the School of Construction Management in the Faculty of Built Environment UNSW since 1998 in Construction Materials and in Building Structural Design. He is also the current chairman of Australian Standard AS3850 Precast and Tilt Up structures (BD-066) which upon release in 2015 will be retitled “Prefabricated Concrete”. Lunch - (Provided at venue) 1.30 - 3.00 Session 7 - PSC Design Examples Afternoon Tea 3.30 - 5.00 Session 8 - Practical design & issues Certificate of Attendance and Feedback sheets Cancellations made more than 5 working days prior to a course will incur a 20% processing fee of the full registration amount. Cancellations made 5 working days or less will incur forfeiture of the full registration fee. * Melbourne Hotel Grand Chancellor, 131 Lonsdale Street, Melbourne VIC (03) 9656 4000 * Brisbane Mercure Hotel, cnr North Quay and Ann St, Brisbane QLD (07) 3237 2300 REGISTRATION FORM Please return to: Engineering Training Institute Australia PO Box 913 Baulkham Hills NSW 1755 Phone (02) 9899 7447 Fax (02) 9899 5995 Mobile 0413 998 031 Email: [email protected] Prestressed Concrete Design Workshop at • Sydney NSW Wed 11 - Thu 12 March 2015 • Brisbane QLD Wed 18 - Thu 19 March 2015 Tick • Melbourne VIC Wed 1 - Thu 2 July 2015 No. of AttendeesTotal Two Day Workshop @ $1,050 pp Total Payment $ Cheque [payable to ‘Cement & Concrete Services’] (GST included) Name ____________________________________________ Name ____________________________________________ Company _________________________________________ Ph (___ )________________ Fax (____ )__________________ Email_____________________________________________ Person Handling Payment_____________________________ (please print) VISA Examples of the design of prestressed beams with different levels of prestress. Comparisons of the designs for economy, strength and serviceability. 5.00 - 5.15 The Hills Lodge, 1 Salisbury Rd (cnr Windsor Rd) Castle Hill NSW (02) 9680 3800 Suburb_________________________ Postcode____________ Calculating elastic and long-term deflections for cracked and uncracked prestressed beams. Use of prestress to control deflection. Design preliminaries - choice of section - trial section dimensions. Choosing the appropriate level of prestress. 3.00 - 3.30 * Sydney Street / PO Box _____________________________________ Conditions in end blocks of prestressed beams. Analysis for simple cases. Importance of end block design. Spalling and Bursting Moments. These parameters will all be addressed with respect to AS3600-2009. 12.30 - 1.30 VENUES M.CARD AMEX 3 or 4 DIGIT ID# Cardholders Name__________________________________ Expiry Date _____/_______ Signature__________________ For any further information on this course please contact Vincent on (02) 9899 7447 or Joanne on mobile 0413 998 031 NB: Cancellations made more than 5 working days prior to a course will incur a 20% processing fee of the full registration amount. Cancellations made 5 working days or less will incur forfeiture of the full registration fee. Cancellations made more than 5 working days prior to a course will incur a 20% processing fee of the full registration amount. Cancellations made 5 working days or less will incur forfeiture of the full registration fee.
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