Define the minimum curing period ?
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Q: Students in the materials lab performed the specific gravity and absorptiontest (ASTM C127) on…
A: Given data: Dry weight (Wdry) = 3862.1 g SSD weight (WSSD) = 3923.4 g Submerged weight (WSubmerged)…
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Define the minimum curing period ?
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- What types of tests are performed for the quality assurance of the materials?please provide step by step solutions and draw the lever on the graph as well. i know the answers. (c) About 1250 C (d) Fe3C, cementite (e) About 0.7 wt% C, about 72% (f) About 40%, no. (h) Draw the microstructure of a 1.5 wt.% C material that has been heated to 1200 C and then slowly cooled to 600 C. Clearly label all phases.Establish the differences between the wear test performed on aggregates smaller than 3/4 "and the wear test performed on aggregates larger than 3/4"
- What is alkali–silica reactivity? What kinds of problems are caused by ASR?Mention two ways to minimize ASR.Civil Read properly Q- Membersof the ACI Building Code committee conducted a study, and the results showed that the scatter in the modulus of elasticity did not support the use of a different or "more precise" formulation. As a result, the equation (Eci) can be applied generally. Calculations should be based on project mixture design test results if a project calls for a more exact estimation of the modulus of elasticity. Where f 0 ci is the strength of the concrete at the moment of transfer in psi and wc is the unit weight of the concrete in pcf, which is often taken to be 160 pcf for precast concrete and 150 pcf for cast-in-place concrete. Members with post-tension tensioning sequence affects elastic shortening in post-tensioned members. Tendons may be stressed to a maximum of 0.80 fpu, however the stress in the tendon right after seating must be 0.70 fpu or less. Calculate the fES for elastic shortening losses.What is one way in which the traditional two plate injection mold design can be modified to eliminate scrap polymer waste?
- What is the difference between conducting laboratory tests on the specific gravity and absorption of coarse and fine aggregate?Mineral processing is a compromise between grade and recovery why?Students in the materials lab performed the specific gravity and absorption test (ASTM C127) on coarse aggregate and they obtained following data: a. Dry weight = 3862.1 g b. SSD weight = 3923.4 g c. Submerged weight = 2452.1 g 1. Calculate the specific gravity values (dry bulk, SSD, and apparent) and the absorption of the coarse aggregate. (Answer in 3 decimal places)