SITUATION Three-wheel loads roll as a unit across a 16m span. The loads are A 20KN, B= 40KN, 2m to the right of A and C=60KN, 4m to the right of B. Q Zoom image Determine the maximum moment in the simply supported span. 102.5 105.2 146.55 94.05 Determine the maximum shear in the simply supported beam. 285.21 O 345.43 O 350.38 O 415.22

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Types of Cement

Cement is a fine mixture of limestone, chalk, or marl and clay which when mixed with water, becomes compacted due to the formation of strong molecular bonds. Due to hydration, cement turns into a hard mass when left for a sufficient amount of time upon mixing with water. The water turns the cement compounds into gel-like submicroscopic particles having higher surface areas. It is due to the hydration properties of cement, they are often known as hydraulic cement. For instance, Portland cement is a popular example in this category.