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Study details advantages of performance-based specifications.(News & Events)
A study by the NRMCA Research Laboratory compares the properties of concrete mixtures optimized for performance that may not comply with typical prescriptive provisions in specifications for concrete construction.
The Prescription to Performance (P2P) Initiative has been identified by concrete producers as an important initiative that will elevate the quality of concrete construction by providing qualified concrete producers the opportunity to use their expertise to optimize concrete mixtures for intended performance of concrete structures.
One of the goals of the P2P Initiative has been to develop technical data that demonstrate the benefits of performance-based specifications that could be used to support changes in codes and specifications.
This study addresses three cases:
* Concrete Floor Slab Construction
* Concrete Bridge Deck Construction using high performance concrete (HPC)
...- Properties of concrete mixtures containing slag cement and fly ash for use in...
- Magazine article from: Construction and Building Materials Hale, W. Micah Freyne, Seamus F. Bush, Thomas D., Jr. Russell, Bruce W. September 1, 2008 700+ words
...Type 1 cements were examined along with four different concrete mixtures. The four mixtures contained varying amounts of slag cement...Department of Transportation with information on ternary concrete mixtures. The final goal was to determine if the proposed replacement...
- Laboratory investigation of the properties of asphalt concrete mixtures...
- Magazine article from: Construction and Building Materials Ahmedzade, P. Tigdemir, M. Kalyoncuoglu, S.F. March 1, 2007 700+ words
Abstract Benefits of adding Tall oil pitch (TOP), Styrene-butadiene-styrene (SBS) and TOP + SBS to AC-10 in variant quantities to AC-10 were investigated. Initial research was done to determine the physical properties of asphalt cement and modifiers. Seven asphalt binder formulations were prepared
- Effect of cement kiln dust (CKD) on mortar and concrete mixtures.
- Magazine article from: Construction and Building Materials Al-Harthy, Ali S. Taha, Ramzi Al-Maamary, Faisal July 1, 2003 700+ words
Abstract The aim of this study was to investigate the use of cement kiln dust (CKD) as a cementitious material in concrete and mortar. CKD was added to concrete and mortar mixtures to study its effect on the strength and on the ability of the cover zone to absorb water, an important factor in the
- Framework for developing a static strength test for measuring deformation...
- Magazine article from: Construction and Building Materials Doh, Young S. Yun, Kyong K. Amirkhanian, Serji N. Kim, Kwang W. December 1, 2007 700+ words
Abstract This study deals with a strength property which is showing high correlation with rutting resistance of asphalt mixtures. The test procedure was developed by applying a load to the compacted asphalt samples and calculating the strength by using the deformation of the mixture at the failure
- A performance based approach for durability of concrete exposed to carbonation.
- Magazine article from: Construction and Building Materials Roziere, Emmanuel Loukili, Ahmed Cussigh, Francois January 1, 2009 700+ words
...performance based specifications for durability...indicators. Concrete mixtures of the reported...designing most of concrete mixtures. Carbonation...performance based specifications for durability...practice, concrete mixtures are often...
- RMC's P2P projects.(News & Events)
- Magazine article from: Concrete Construction March 1, 2006 700+ words
...worldwide performance-based specifications and recommendations for...comparison of prescriptive concrete mixtures and performance-based...movement toward performance-based specifications will not only continue but...
- P2P initiative.(Reader Response)
- Magazine article from: Concrete Construction October 1, 2003 700+ words
...security. An important step in moving towards performance-based specifications will be more emphasis on instruction in concrete technology...optimize performance and cost. Prescriptive provisions on concrete mixtures and means and methods of construction, and the submittal...
- Investigation of rutting performance of asphalt mixtures containing polymer...
- Magazine article from: Construction and Building Materials Tayfur, Sureyya Ozen, Halit Aksoy, Atakan February 1, 2007 700+ words
...Polymers: LCPC wheel tracking test 1. Introduction Asphalt concrete mixtures have been exposed to greater stresses because of the increasing...probably the most important requirement for performance-based specifications. This is because a wide range of mixture parameters...
- A matter of trust.(Editorial Comment)
- Magazine article from: Concrete Construction Palmer, William D., Jr. August 1, 2003 700+ words
...concrete producer has the best knowledge and control of concrete mixtures and should have the ability to optimize the mix for the...well over the life of the structure? But performance-based specifications for both the producer and the contractor is a worthy goal...
- Effects of portland composite and composite cements on durability of mortar and...
- Magazine article from: Construction and Building Materials Temiz, H. Kose, M.M. Koksal, S. June 1, 2007 700+ words
...in cement paste, mortar and concrete mixtures were determined in a way that all...6]. The compressive strength of concrete mixtures with pozzolana in 50% humid environment...at early ages than that of normal concrete mixtures [7,8]. The progress of strength...
Source: HighBeam Research, Study details advantages of performance-based specifications.(News...