American Concrete Institute (ACI)

Held 30 March - 3 April 2008, Los Angeles, California. ACI SP 252

Held 18-20 June 2008, Manaus, Brazil. ACI SP 253

Held 2-6 November 2008, St. Louis, Missouri, USA. ACI SP 279

Held 2-6 November 2008, St. Louis, Missouri, USA. ACI SP 263

Held 2-6 November 2008, St. Louis, Missouri, USA. ACI SP 271

Held 22-26 April 2007, Atlanta, Georgia. ACI SP 241

Held 14-18 October 2007, Fajardo, Puerto Rico. ACI SP 248

Held 14-18 October 2007, Fajardo, Puerto Rico. ACI SP 251

Held 22-26 April 2007, Atlanta, Georgia. ACI SP 255

Held 9 October 2007, Fajardo, Puerto Rico. ACI SP 260

Held 14-18 October 2007, Fajardo, Puerto Rico. ACI SP 256

Held 22-26 April 2007, Atlanta, Georgia. ACI SP 258

Held 14-18 October 2007, Fajardo, Puerto Rico. ACI SP 247

Held 14-18 October 2007, Fajardo, Puerto Rico. ACI SP 246

Held 8 November 2006, Denver, Colorado. ACI SP 245

Held 28 May - 3 June 2006, Montreal, Canada. ACI SP 234

Held 26-30 March 2006, Charlotte, North Carolina, and 5-9 November 2006, Denver, Colorado, USA. ACI SP 268

Held 31 May - 3 June 2006, Montreal, Quebec, Canada. ACI SP 235

Held 6-7 September 2005, Olinda, Pernambuco, Brazil. ACI SP 229

Held 17-20 April 2005, New York, New York. ACI SP 227

Held 6-10 November 2005, Kansas City, Missouri. ACI SP 250

Held 17-20 April 2005, New York, New York, USA. ACI SP 244

Held 17-20 April 2005, New York, New York, USA. ACI SP 233

Held 24-28 October 2004, San Francisco, California, USA. ACI SP 236