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Full-Text Articles in Civil Engineering
Creep Rupture Performance Of Basalt Fiber-Reinforced Polymer Bars, Pouya Banibayat, Anil Patnaik
Creep Rupture Performance Of Basalt Fiber-Reinforced Polymer Bars, Pouya Banibayat, Anil Patnaik
Anil Patnaik
Fiber reinforced polymer (FRP) composite bars are suitable substitutes for steel reinforcement in structural concrete because of their light weight and high specific strength and stiffness. Sustained load on FRP composites over the entire service life of the structure can cause failure by creep rupture at loads much smaller than those corresponding to static transient loads. Creep rupture test methods used by several researchers are presented, and a suitable loading arrangement and test method were selected for this study. The creep rupture properties of basalt FRP bars were determined using sustained loading applied to the test specimens simultaneously with an …
Effect Of Magnesium Sulphate On Self-Compacting Concrete Containing Supplementary Cementitious Materials, Hilmi Mahmud
Effect Of Magnesium Sulphate On Self-Compacting Concrete Containing Supplementary Cementitious Materials, Hilmi Mahmud
Hilmi Mahmud
The length change is negligible and can be attributed to the normal distension of concrete. On the other hand, concrete suffering from mass loss gives a good indicator about the durability of SCC. Permeability of concrete is an important factor in classifying its durability generally; concrete with low Permeability will afford better protection of the reinforcement within it than concrete with high Permeability. In this paper, the assessment of magnesium sulphate (MS) attack on concrete containing various ratios of the supplementary cementitious materials (SCM) was investigated for concrete containing FA, RHA, and GGBS with cement replacement levels of 15%, 10%, …
Production Of High Strength Concrete Incorporating An Agricultural Waste- Rice Husk Ash, Hilmi Mahmud
Production Of High Strength Concrete Incorporating An Agricultural Waste- Rice Husk Ash, Hilmi Mahmud
Hilmi Mahmud
Rice husk which is an agricultural waste, constitutes about one-fifth of the 500 million tonnes of rice produced annually worldwide. Normally, the residue is disposed off by burning at the mill sites and the resultant rice husk ash (RHA) is dumped on a waste land. This generates environmental, pollution and land dereliction problems. Under controlled burning and if sufficiently ground, the highly reactive ash that is produced can be used as a supplementary cementing material or in the production of high strength concrete (HSC). This paper shows that it is relatively easy to produce high strength Grade 80 concrete incorporating …