Concrete slab resting o n grade containing minimal distributed st eel, usually of weld ed wire fabric wwf, for the purpose of limiti ng crack width due to shrinkage and temperature change. Pdf cost optimum design of reinforced concrete simply. Reinforced concrete rc is a composite material in which concrete s relatively low tensile strength and. On the basis of reinforcement provided, beam support, and the ratio of the spans, slabs are generally classified into oneway slab and twoway slab. In reinforced concrete slabs strength of concrete lying the neutral axis just above. Structural properties oi a reinforcedbrick wall construction. This reinforced brick masonry is capable of resisting both compressive as well as tensile and shear stress. Brick work strengthened by introduction of mild steel flats, hoop iron, expanded mesh or bars is termed as reinforced brick masonry. Here the years up to 1910 saw the emergence of a wide range of different brick floor types. Tm 580912 concrete floor slabs on grade subjected to. A study on low cost roof masonary slab american journal of. Structural concrete structures reinforced concrete construction. Structural properties of a reinforcedbrick wall construction and a.
The majority of the structural optimization applied on reinforced concrete rc structures involves heuristic methods such as genetic algorithms, threshold accepting, tabu search, etc. This work is intended to all students of mizan teppi university, ethiopia, engineering campus, most especially to my students in construction technology and management cotm. Seismic behaviour of unreinforced masonry buildings with reinforced concrete slabs. The main objective of this thesis is to study replacement of concrete by bricks. Brebner of extensive tests of reinforced brick masonry structures extending over a period of about two years. Unreinforced masonry urm buildings with precast concrete hollow floor slabs were very popular in. Pdf reinforced clay brick masonry building report 175.
Design of fibre reinforced concrete beams and slabs master of science thesis in the masters programme structural engineering and building performance design ammar abid, kenneth b. Franzen department of civil and environmental engineering. Concrete slab rest ing on grade cont aining steel reinforcement which consists of. Seismic strengthening of lowrise unreinforced masonry. Structural properties of a reinforcedbrick wall construction. China from the 1960s to the 1990s for new construc tion of. Seismic behaviour of unreinforced masonry buildings with.
The paper assesses the use of rice husk ash rha as an admixture in concrete in normal environment by determining the effect of addition of rha of 0%, 5%, 10% and 15% respectively to concrete. A reinforced concrete slab is a crucial structural element and is used to provide flat surfaces floors and ceilings in buildings. Pdf reinforced concrete design or reinforced cement. On account of its ability to resist lateral forces, reinforced brick masonry is extensively used in seismic areas. A finite element model may be created to analyse a complicated loading arrangement. These books are used by students of top universities, institutes and colleges. Concrete slab types construction, cost, and applications. Pdf reinforced concrete slab under static and dynamic. A total of 282 specimens were tested, including reinforced brick masonry slabs of varying thickness, reinforced brick beams, both reinforced and unreinforced columns, and reinforced brick arches. Pdf structural design analysis of reinforced concrete. Pdf ductility of concrete slabs reinforced with low.
Unreinforced masonry buildings the seismic assessment of. Design of fibre reinforced concrete beams and slabs. The foundation is often a concrete slab, with longitudinal reinforcement for bending. Cement concrete may be used in the form of pre cast concrete blocks, plain concrete slaps or reinforced concrete slabs. The former is supported on two sides and the ratio of long to. For slabs spanning in both directions published tables and charts should be used to find bending moment and shear per unit width of slab. The contents of this stresses professional applications, as the lecturer. The variety by far outnumbered that of the reinforced concrete slabs.
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