Analytical strengths of reinforced concrete beams and columns based on reinforcing steel stress-strain curves with and without a sharp yield plateau and the nonlinear stress-strain behavior of concrete are compared with strengths calculated in accordance with the ACI Building Code to determine the feasibility of using the 0.2% offset method to define the yield strength of reinforcing steel. Com...

Research reported in this paper was carried to study the water permeability of steel fibre reinforced concrete (SFRC) with varied aspect ratios of steel fibres. Corrugated steel fibres were used in the investigation at constant fibre content of 0.5%. Relationship of water permeability with compressive strength and split tensile strengths has been presented. The water permeability was observed t...

The paper presents the effect of different synthesis parameters, such as (a) fly ash to alkaline solution ratio, (b) concentration of NaOH solution, (c) concentration of sodium silicate solution, (d) geopolymer solids to water ratio and (e) sodium silicate to sodium hydroxide solution ratio, on the compressive strength of geopolymer concrete synthesized from fly ash of Indian origin. It is obse...

The paper presents the suitability of flyash-limephosphogypsum composite for its use in road pavements. The content of lime and phosphogypsum was varied from 2 to 10% and 0.5 to 4% respectively in flyash. The specimen prepared was cured for 7, 28, 56 and 90 days with burlap method of curing. Compaction tests were conducted on different flyash-lime-phosphogypsum composite and these results were ...

utilization of long fiber chemical pulp to enhance the strength properties of mechanical and chemi-mechanical pulp is served as a common approach by the papermakers. therefore softwood long fibers were exposed to chemical modification by cationic agent, eptmac, with the aim of reducing its consumption. then, the cationised fibers were mixed with cmp pulp with given ratios and the handsheets wer...

BACKGROUND Sarcopenia, a loss of muscle strength and mass, has serious implications for older adults. Some risk factors for sarcopenia are well established. The role of other factors such as alcohol consumption is less certain. The main aim of this study was to explore the relationship between sarcopenia and alcohol consumption in people over 65 years old. METHODS Four electronic databases we...

It has been posited that certain balances in strength should exist for opposing muscle groups (e.g., hamstrings and quadriceps) or actions (e.g., internal and external rotation of the shoulder) to improve sports performance or limit the likelihood of injury. Typically, expensive laboratory equipment such as isokinetic devices has been used to evaluate strength balances. The purpose of this stud...