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I was wondering about the people and activities of SEFP. Have a look at the following stats (date: 22.aug.2012). This is my agenda for next 3 months for SEFP. Please lets start to define some roles and targets for SEFP. You can disagree and put it down but vote for me how many of you agree with me! I wanna see the stats and numbers. Afterall this is just a suggestion. Total members: 816 This number is decent. At this point i care about participation & quality instead of just a crowd doing nothing out there. Total posts: 918 [ 66% of all the posts are by top 5 members ] Post count by top 2% members should not go above 70%. 1) Atleast 30% contribution to SEFP should be from 98% members to get a feeling the SEFP is not just run by the moderating team. Average post rate: 1.125 post per member Should reach upto 1.3 2) Ensures improved density of posts over the total population of SEFP The most liked content is by: 6 users Believe it or not. Its a measure of active members of the forum. Need to make it to 8 (not just 1 post...rather many posts by more than 8 people liking) 3) To develop the habit and to encourage people to appreciate others work and say Thanks to him/her. Users with more than 10 posts: only 16 Here i use my own self devised rule that the %age of members posting more than 1% of the total posts (9.18) should be more than 2%. In our case it is 1.96%. Lets make it 2% 4) To ensure that there is always performance. If the no of members increases so should the post count. Among the moderating team of: 11 members (if we exclude admin) the ratio is 1 moderator for every 81.6 members and 91.8 postss In my opinion these ratios should be touching 200. 5) To avoid having more controllers than needed over limited no of posts and threads and members. Moderating team acitivty: 2 members didnt even visit the site since last 1 month and the other 2 since last 2 months (pathetic) 6) Check and balance on the performance of moderators. Setting a time limit after which the moderator will lose the right to be a moderator. Voting for moderators should be done after some time in SEFP. Male/Female participation is: 99% : 1% . Additionally all that 1% posts from females is only from 1 member out of 8.. 7) Not an important issue as this is STRUCTURAL engineering not the ARCHITECTURE or INTERIOR DESIGNING but still a surprising fact. I wish if we can make it 2%???? 93% of total members have made NO POST at all! Zero Post .....0.0...93% Inactive users.....Lets put a min limit for a member to stay a member for SEFP. If a new member doesnt post, say 5 times in 2 weeks...assume...the member should be deleted automatically! 8) It will ensure more activity and realistic ratios for SEFP activities based on active members not just on inactive members. We will have nice people instead of bunch of useless spammers and trial downloaders. The list can go on! like the percentage of different threads etc but for the time being we need more members and more posts. Lets get the results asap. I think we should do it in a more organized way. Giving moderators their responsibility to do something for forum and to set targets monthly or every other month lets say! and to achieve them. I would highly recommend the ADMIN to take this suggestion seriously!

You can use the document posted by "baz" that lists Two Way Slab/ plates design coefficients subjected to different kinds of loading. I m using this site on my phone warna link share karta. Its in the forum, concrete section most likely. We have used that document to design anything that falls into a 2-way slab. Very Handy

Eid Mubarak Guys

Rightly said! University of Toronto has some free softwares that can be used for members having substansial shear deformations.. Shear strength is the only department where canadians are at lead from the rest of the world, considering concrete. I have lots of papers on it. If it interests anyone, please let me know. I can share.

It a great post. Rana, talk to me on skype this coming weekend. Guys please add your suggestions down. I will remove the inactive mods next week and decide an action plan streamlined with your suggestions. Many Thanks

The mods that are not active should be ranked down.

@umar sir 3days of eid has been completed btw you are talking about which eid... we have had variety and options in this matter

Thats right and it makes your case more critical for wind cases.

How do we consider the weight/load of top slab of a UGWT while we design its walls as cantilever retaining walls ???

If there is anything with L/D < 4, it is a deep beam and plane sections before bending are not plane after bending. You need to apply Strut & TIE Model.

EID Mubarak (belated) from me too!

Thanx dear Rana it is honour for me to be friend but don't think that i'll quit asking questions due to friendship

conservatively! yes you can design walls as cantilever, but this is not the case always. For example when the walls are much higher like 5 or 6m. Designing it as cantilever will not be judged based on economy when it can be designed as propped cantilever... Basically if your top slab is not monolithic with your walls as in precast panels placed on the walls for easy removal (due to cleaning, or maintenance) then ofcourse your walls are cantilever. But if your slab is monolithic solid concrete slab you must design it propped cantilever or fixed fixed based on the stiffness of slabs to walls. Additionally, water tank walls are often governed by crack width criteria (serviceability) not due to strength design.

modular ratio is used in cracking analysis. Its used in stress strain compatibility because reinforced concrete is not just 1 material. Its concrete and the bars. Anyway, composite construction means where concrete is used with structural steel. For example concrete topping and steel metal deck. So in such cases modular ratio is often increased.

yeah in all cases in beams, footings and slabs but mind you this is a research-type thing. You dont have to involve in this unless you are really doing some hifi task. Anyway thanks for your deep interest. I personally like your questions because they are different and to me sometimes difficult to answer. But i love to reply them. You have got a curious mind and i love those people. lets b friends

dead load is redcued for uplift ..this is actually the load factor like 1.2d and 1.6L but in case of uplift we reduce it bcz the only thing resisting the uplift is dead load..so we reduce it (means the concept is same as in 1.2d + 1.6L) its actually a stability issue even 0.6D is used in wind combos

Hi guys, Official announcement that the logo has been updated. Now there is no shade. Just one background color. I think this new one looks better. Thanks