assume 1 meter prop support for forms and 1-8 meter safe working area. The dimension of the CF-1 is 15525mm x 2500mm and thickness 1650mm excluding the 50mm thk lean concrete. The dimension of the CF-2 is 1000mm x 2500mm and thickness of 1650mm excluding the 50mm thk lean concrete. The original soil excavated needs to be disposed. Assuming the capacity of truck to be 7 cubic meters 1. What is the volume of excavated soil? 2. How many trucks are needed to haul the soil? Please answer thanks

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Q: ompressive strength 50 MPa at 28 days; Defec n class 42.5; Slump required = 30-60 mm; e size = 10…

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A: w/c ratio =0.45water =0.45×375=168.75kga) Fine aggregate(FA)mass of wet FA=mass of FA in SSD…

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A: 1 This statement is FALSE  Height of fall to prevent segregation should not exceed 1 m.

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Q: Answer fast and give right answer.

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British Gravitational Bg System Of Units

Measuring is the comparison of a particular physical quantity with its reference value. A unit is a fixed physical quantity. The length is a physical quantity. A physical quantity is the product of a unit and the numerical value we need to compare with.