نتایج جستجو برای: workability
تعداد نتایج: 1616 فیلتر نتایج به سال:
Background: Multisite pain includes discomfort or strain in the neck, shoulder, low back, other parts of body. It is one most serious health issues affecting both adults and kids. This study focuses on determining impact multisite reducing workability collegiate students. Method: A sample 145 students was taken from Galgotia’s university India. Using pen-paper mode, Standard Nordic Musculoskele...
A theoretical study is written in the form of a short report on approaches to qualitative and quantitative assessment health physical performance. Physical, mental, social, sexual health, their relationship performance, measurability assess compare individual population outcomes are discussed. Separate models quality its formation noted. Philosophical systems understanding psychological study, ...
:the aim of this work is to investigate the influence of sodium oxide on properties of fresh and hardened paste of alkali-activated blast furnace slag from isfahan steel plant. the silica modulus (sio2/na2o) of activator was adjusted at 0.6 and a number of mixes were designed in such a way to contain different levels of sodium oxide including 1, 2, 3, 4, 5, and 6% by weight of dry slag. the mos...
Study of Fresh and Hardening Process Properties of Gypsum with Three Different PCM Inclusion Methods
Gypsum has two important states (fresh and hardened states), and the addition of phase change materials (PCM) can vary the properties of the material. Many authors have extensively studied properties in the hardened state; however, the variation of fresh state properties due to the addition of Micronal® DS 5001 X PCM into gypsum has been the object of few investigations. Properties in fresh sta...
Despite its few inherent shortcomings, concrete has proved to be the most widely used construction material, no substitute in time still to come. In the present investigation, study of admixture of concrete was carried out. The strength of concrete depends on its mix proportions. We used so many admixture e.g. ‘silica. Fumes, fly ash etc , when we used these type of admixture the result was ver...
The main issue in working with fresh concrete is the workability during filling of formwork. One of the problems found in workability is occurence of segregation depending on w/c ratio. Segregation is strongly related to w/c ratio. The fresh concrete is usually considered as a non-Newtonian fluid since it is a mixture of aggregate, cement and water. The flow behaviour of the fresh concrete, a c...
Abstract—The main parameters affecting the workability are the water content, particle size, and the total surface of the grains, as long as the mixing water begins by wetting the surface of the grains and then fills the voids between the grains to form entrapped water, the quantity of water remaining is called free water. The aim of this study is to undertake a fractal approach through the rel...
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