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Q. Pulverized fly ash as cement replacement?
Pulverized fly ash is a type of pozzolans. It is analuminous or siliceous material that possesses no binding ability by itself. When it's in finely divided form, they may react with calcium hydroxide in the presence of moisture to form compounds with cementing properties.
At the time of cement hydration with water, calcium hydroxide is formed and it is non-cementitious in nature. Though when pulverized fly ash is added to calcium hydroxide, they react to yield calcium silicate hydrates that is highly cementitious. This leads to improved concrete strength. This explains how pulverized fly ash may be used as cement replacement.
Explain the Steady and Uniform Flow Steady flow: Flow quantity does not change over time. Uniform flow: The slopes of the energy grade line S = dE/dL, the hydraulic grade li
aim of prismatic compass
Given: beam deminsions: flange width=22" FLANGE THICKNESS=7" WEB WIDTH=7" SECTION HEIGHT=40" f'c=5000psi f'ci=3500psi fpu=270ksi Ap=eighteen 1/2" diam strands superim
Common ways to present the project schedule include all except: a. Gantt charts b. Milestone charts c. PERT charts D. Project Network Diagrams with dates added So
Explain the Secondary treatment for wastewater Secondary Treatment: to remove soluble BOD that escapes the primary treatment and to provide added removal of suspended solids.
I want to do project using ul design directory
note on distomat
Acid Test: This test is usually carried out on sand stones to examine the presence of calcium carbonate that weakens the weather resisting quality. In this particular test,
Q. Explain the Mechanism of compaction by paver? Mechanism of compaction by paver, steel-wheeled roller and pneumatic tire rollers Paver, steel-wheeled roller and pneumat
Q. Effect of Footing Size on Stress Zone? The modulus of elasticity of the soil may be determined by plotting stress-strain diagram based on triaxial test or plate load test.
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