to meet the design requirements of a structure. The compressive strength of concrete is the most common performances measure used by engineer in designing buildings and other structures. The compressive strength is measured by breaking concrete specimen in a compression-testing machine. The compressive strength is calculated from the failure load divided by the cross-sectional area resisting the load and reported in units of N/mm2. Compressive strength test results are primarily used to determine
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5. Results: Compressive Strength of Concrete Structures Using Schmidt Hammer DATA AND CALCULATION SHEET Sample Identification: R14 floor Description: Sample age at test: Element type: Application Direction | | | | Rebound number readings | 26 | 29 | 24 | 32 | 26 | | 31 | 32 | 34 | 22 | 30 | Average Rebound Number | (1) 29 | Estimated compressive strength (MPa) | (2) 28 MPa | Compressive Strength of Cube
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Experiment No : 5 Title : Concrete Cube Compressive Strength (7 days) Introduction : To determine the strength‚ maximum load can be applied and workability of concrete mixture. Theory : Hard concrete test were conducted at the age of 3‚ 7‚ 14‚ 21 and 28 days after curing(but we tested it for 7 days only). The concrete strength increases according to the age‚the mixture of its concrete design and the strength increment will continue for sometimes. Nevertheless‚ for most of the work‚ the
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bending. d) Calculate the maximum compressive stress in the beam‚ and show where it occurs along the length‚ and on the cross section. e) Calculate the maximum tensile stress in the beam‚ and show where it occurs along the length‚ and on the cross section. 2 kN/m 6 metres 3. The machine component shown below can be analysed as an overhung simply supported beam. It is made of cast iron‚ which is much stronger in compression than in tension. If the maximum stress must be limited to 30 MPa in tension
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Stress and Stress Management in the Workplace The purposes of this paper it to examine Stress and Stress Management in the workplace and to propose possible methods in preventing‚ reducing and coping with such stressors. It will also cover the motivating performance through job design. It is experienced that well designed jobs can have a positive impact on both employee satisfaction and the quality of performance. There are several methods and techniques that can be offered by the employer
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Stress is something that has become prevalent in our society‚ more so now than ever before. Demands from everyday life have certainly increased‚ creating more stress in our lives and potentially affecting our health and wellbeing. The purpose of this essay is to discuss stress and the effects it can have on our behavioural responses. Firstly‚ it will give an overview of stress‚ as well as discuss physical and mental concerns bought about by excessive stress and factors that contribute towards it
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In the present day‚ stress is widely recognized as a major problem for many employees in their daily life. According to Lawrence（2010）：The Health and Safety Executive (HSE) have defined stress as the adverse reaction people have to excessive pressure or other types of demand placed on them at work. This definition suggests that when people experience excessive stress‚ there is a high risk. And this phenomenon also contributes to some bad consequences‚ such as mental illness，heart and circulatory
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CHAPTER 1 STRESS INTRODUCTION Stress is a common thing in everyone’s life. It is always associated with the happiest movement of life or the dangerous movement of life. Stress‚ stress‚ stress….. Is a common and universal phenomenon for everyone? Stress accumulation is a common problem and you are very difficult to manage it due to your lifestyle and attitude. In most of time‚ the term ‘Stress’ use to express their negative experience that happened in everyone’s life. It either distress
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Stress has many interpretations and carries a negative connotation for most people. Over the years‚ stress has been indentified in different ways. It was conceived of as pressure from the environment‚ then as strain within the person. Today‚ stress can be known as the interaction between the situation and the person. It is the psychological and physical state that results when the resources of the person are not sufficient to cope with the demands and the pressure of the situation. Stress can undermine
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e S t u de n t Many people experience stress as they combine busy lives and the demands of study and or work while trying to also save time for friends and family. For some people‚ stress becomes almost a way of life. We all experience episodic stress – getting ready for a major exam‚ completing an important paper‚ perhaps getting ready for an important interview. However‚ a continuous “state” of stress should not become a way of life. We know that stress – over a prolonged period of time – can
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