In: Civil Engineering
explain the type of absorbent materials in term of its function ,where best to be used, advantages, disadvantage ? for the materials below
1-Hair felt
2-Acoustic
3-Acoustical tiles
4-Straw board
5-Pulp boards
6-Compressed fiber board
7-Compressed wood particle board
8-Perforated plywood
9-Wood wool board
10-Quilts & mats
In: Civil Engineering
In: Civil Engineering
In: Civil Engineering
Do you know affects of water/cement ratio and supplementary cement materials on transition zone?
In: Civil Engineering
7. Explain the differences between competitive and sole-source contracts.
8. Define the terms “Request for Proposal (RFP)” and “Internet Reverse Auctions”.
9. Compare lowest cost versus best value procurements. What are the advantages and disadvantages of the both methods?
10. Explain what a Request for Procurement Services (RFPS) is. What information the RFPS form must contain?
11. What skills do the members of a procurement team need to have in order to be successful?
12. Explain what a Statement of Work (SOW) is. Why the SOW is one of the most important documents of the plan procurements process.
In: Civil Engineering
Difference between composition and properties of concrete and asphalt mixes
In: Civil Engineering
Describe the following: i. Dewatering behind retaining walls ii. Determination of N-value during a standard Penetration Test (SPT) iii. Compaction of deep beds of loose sands
In: Civil Engineering
In batching of aggregates the moisture content is expected to be in saturated surface dry condition. However, in a concrete production, the actual moisture content of coarse aggregate on the site just before the batching measured as 8%, and its saturated surface dry condition requires 5% moisture content. If 1000kg/m3 of coarse aggregate and 220kg/m3 of free water is needed for a concrete production, how many kg of coarse aggregate and water is to be placed into the mixer for one m3 of concrete production?
In: Civil Engineering
) Write the major reasons for using admixtures for modifications fresh concrete?
In: Civil Engineering
why monitoring and controlling projects is important. provide examples to do well?(i.e Schedule, Checklist, Dashboards ......)
In: Civil Engineering
Discuss in your own words the major characteristics of a Project. In your own words, describe the benefits of a structured Project approach.
In: Civil Engineering
An engineer took asphalt cores on a roadway that has seen rutting and bleeding over the past three years. If the calculated air voids were 2.5% but the design air void content was 4%, explain what effect the calculated air voids had on the rutting and bleeding seen on the asphalt roadway.
In: Civil Engineering
Please I would like to know what are the Eflluents and waste materials generated in large scale bio Ethanol plants making Ethanol form sugar beet.
Thanks
In: Civil Engineering
Why structural concrete is reinforced by steel? Discuss the weakness and strength of both concrete and steel in this case
In: Civil Engineering