The compressive strength of concrete according to certain codes can be based on the
compressive strength of unconfined plain standard concrete cylinders tests at the age of 28 …

Concrete is the most widely used construction material in the world. Along with the
increasing economic needs in the development of construction, precast technology has …

One of the crucial problems caused by the COVID-19 pandemic is the increase in the
number of disposable plastic wastes, especially bubble-size plastic straw waste. The use of …

The choice of ASTM D638 versus ASTM D3039 test specimen shape is usually based on the
perceived susceptibility of ASTM D638 test specimens to failure within the fillet radius. For …

This study examines the behavior of circular concretes externally confined by green
sustainable WHBR FRP containing water hyacinth fiber ropes and bio-resin. This study …

Several structural failures occur in the columndue to the lack of confinement. The circular
column is not popular for regular buildings. The use of circular spiral is only familiar tothe …

Concrete structures are very vulnerable to seismic hazard. Damages to these structures
could be caused by the poor quality of materials used that do not meet the specifications, or …

The accuracy of designing the performance of concrete structures nowadays not only
depends on the use of standard materials (cement, sand, and gravel) for certain concrete …

In the last decade, there have been many innovations developed to replace the aggregate
as material for concrete, particularly the coarse aggregate using the artificial lightweight …

This paper examines the possible influence of external confinement on concrete by utilizing
traditional steel bars. The test specimens were concrete cubes of 150 mm in size. Steel bars …