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Site Control Mean To Predict Compressive Strength Of Low Cost Concrete Works | ||
| Journal of Engineering and Sustainable Development | ||
| Article 1, Volume 14, Issue 2, 2010, Pages 49-62 | ||
| Author | ||
| Zainab Tariq Hadad | ||
| Abstract | ||
| Concrete works occupy considerable total cost portion of construction projects. There are several factors influencing its quality, strength, and performance. Lack of quality control has been pointed out in private sector projects in general, and specifically with low income owners. Technical skills and extra cost required to control the quality of concrete are the most important factors that discouraged owners in adopting control measures, therefore, research work is implemented to determine easy, quick, and low cost measures to evaluate fresh concrete and predict its (28 day) compressive strength, also help site engineers in adjusting fresh concrete according to required standard before casting and hardening. The research covered an experimental work that includes, casting of 144 concrete cylinders having 48 different mixes of cement content, water content, and maximum size of coarse aggregate. Laboratory tests of the concrete cylinders have been carried out to determine its compressive strength, and statistical analysis of the experimental data and results led to propose an empirical formula. The proposed formula can be used by site engineers to judge the quality of concrete after wet sieving of fresh concrete.nThe research recommended the adoption of the concluded results, and to carry out further related researches. | ||
| Keywords | ||
| concrete works; Fresh concrete; field inspection; private low income owners; compressive strength | ||
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