The environmental impact of the use of concrete has been discussed during the firsthalf of this class, as well as some solutions. Please detail the environmental impacts on the use ofconcrete. Then list and describe the solutions for these problems. Obviously as part of this answer discussthe current and potential future innovations/discoveries/advancements in concrete that can make it moresustainable than at present. Be a thorough and detailed as possible.

Write in detail foremost engineering problems in cement industry

1. Concrete is the most commonly used construction material in the world. However,despite its success, this material is not environmentally friendly. Most of this problemcomes from the cement used in concrete.a) How does cement cause this problem?b) How can we address this issue without replacing concrete with otherconstruction materials?c) What do you think concretes of the future will be made of?

86. In civil engineering, what are the different types of concrete admixtures used?

Determine the load.

Using the Internet, find the aggregate specifications for your state and identify the limitations for deleterious materials in aggregates used for asphalt concrete.

Question Identify the correct sequence of the concrete manufacturing process by rearranging the order of the process shown below: Finishing Placing (Pouring) Curing Mixing Maintenance Mix design (proportioning) Vibrating (consolidating) Transporting Match each of these shrinkage regions (from I to V) with the 5 shrinkage mechanisms in the bullets Shrinkage (%) 90% RH Water loss from larger capillary pores Decomposition of C-S-H 0 Region N 25 Region IN Region III 55% RH .50 10% RH Structural water from C-S-H Region IV Region 0% RH 105°C Absorbed water loss Water loss from smaller capillary pores 200°C 1 0 6.25 12.5 18.75 25 Weight Loss (%) .75 Question 2 Mention five different methods of concrete curing. What will happen if concrete is not cured? Draw a graph showing the typical relation between the compressive strength and age for continuously moist-cured concrete and concrete cured for 3 days only. Label all axes and curves. Question 3 a) Provide a brief definition of the different…

Do not answer in hand writing

Students in the materials lab mixed concrete with the following ingredients: 22.1 lb of cement, 41.6 lb of sand, 57.5 lb of gravel, and 14.3 lb of water. The sand has a moisture content of 3.2% and an absorption of 5.5%. The gravel has a moisture content of 3.9% and an absorption of 4.6%. Since water absorbed in the aggregate does not react with the cement or improve the workability of the plastic concrete,a.what is the water–cement ratio of this mix according to the American Concrete Institute’s weight mix design method? b. If a water–cement ratio of 0.5 is required using the same materials and ingredients but different amount of mixing water, what is the weight of the mixing water to use?

What are the common minerals found in various kinds of aggregates used in concrete?