a. Referring to the Figure, which portion of water is used to calculate the water-cement ratio? Permeable void Moisture -Impermeable (a) (b) (c) (d) FIGURE 5.9 Volds and moisture absorption of aggregates: (a) bone dry. (b) air dry, (c) saturated surface-dry (SSD), and (d) moist. b. What is the typical water-cement ratio for normal strength concrete? c. What is the minimum water-cement ratio for hydration only? d. Why is the extra water necessary?

Q: What is the gel space ratio of a sample of concrete, if the concrete is made with the 600g of cement…

A:

Q: A concrete mix should contain 305 kg/m3 cement and have a water-to-cement ratio of 0.49. How much…

A:

Q: A concrete mix with a 75-mm slump, water-cement ratio of 0.50, and sand with a fineness modulus of…

A: given data is slump size 75 mm w/c ratio 0.5 max agg size-25mm

Q: 1. Following data are given for designing a Portland cement concrete mix for a nonstructural…

A: Note:- Hi, thank you for the question. As per our Honor code, we are allowed to attempt the first…

Q: Calculate the weight of moist gravel

A: Given Data:water-cement ratio =0.45dry gravel= 1258kg/m3water of 122kg/m3Air content =…

Q: The stiffening of the cement paste from plastic to solid is knowm as follows: a Curing b. Hydration…

A: Explanation : 36 Curing is the process of controlling the extent of moisture. Hydration is the…

Q: desi cubic yard of concrete to have a 0.43 water-cement ratio, 12 kg/m3 of dry gravel, 145 kg/m3 of…

A: Mix design:Water–cement ratio = 0.43C.A =1232 kg/m3 Water content = 145 kg/m3Air content = 4%

Q: You are working on a concrete mix design that requires each cubic yard of concrete to have 0.45…

A: The water-cement ratio of the concrete = 0.45The unit weight of the dry gravel = 1165 kg/m3 The air…

Q: What is the water/cement ratio if the volu water and cement is 0.20 m and 0.127 m respectively?

A:

Evaporation

This topic is majorly taught in various undergraduate and postgraduate degree courses of: