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Ron, Thanks for the remarks. We have provided 75mm of cover. We had initially intended to use TYPE V cement, but the licensor insisted that it be TYPE I cement with silica flume as additive.I will renew the debate on using TYPE V cement, if it is compatible with silica flume. Also we have...

Guys, I'am designing a 7m deep x 75 m long x 15m wide aeration basin, in which sea water is aerated using blowers. My question pertains to provision of protective membrane or coating to be provided to protect concrete from deleterious effect of sea water. The sea water when entering the basin...

Iam doing a study for feasibility of using a existing table top compressor structure, while the motor, gear box and compressor will be upgraded to a higher rating. I would like to seek the opinion of the forum members on two queries namely:- 1) Which is the best way to model the top slab(8.5m...

I would like to know the members opinion on the bending moment induced in walls of a concrete silo used for storing hot materials like clinker and design approach to them. ACI 313 R gives a expression for bending moment induced in the wall, and suggests that circumferential steel be put on the...

Forum Members , I would like to have your views on filing of emails. I deal with multiple areas of a project. I get and send information to client,vendors and my supervisors. As of now I use a basic method of filing the emails for given area in subfolders named "pending", "replied","for...

Hi forum Members, Iam having trouble dealing with wind load generator. I started off by reading the STAAD Technical Manual. Then I also had look at wind load generation example file. But when I modelled the wind load on a 3D structure , I got peculiar results. The wind load is to be applied...

Which is superior in terms of performance/cost? Does anybody have bad experiences with flyash cement?

I would like to seek opinion of the forum members on welded vs bolted structural steel connections on existing steel structures. The questions which come to the mind are:- 1)Whether it is good practice to weld on to a hot dip galvanised existing steel structure,considering that during hot dip...