Recent content by sag04

Thanks DIK The slab top reinforcing dowelled down in to the wall for a length of 2 meter down & slab bottom rebars bended up in to the wall for a height of 2meter of shear wall. So you have to terminate the shear wall at 2 meter down from U/S of slab and cast this length along with slab. This is...

Good day to every one My designer designed a 31 storey tower with Two core shear walls are interconnected by a syastem of slab ( span 2 meter). Slab system Flat slab. Bottom and top bars of slab 25mm dia anchored into shear for a length of 2 meter both ends top and bottom. Contractor questioning...

Hi It is the usual practice in Middle East that pile caps are tied to the adjacent pile by means of tie beams. Some designers provided this only to single pile and two pile groups others providing this to almost all the pile cap?. For single pile, two tie beams in perpendicular direction and two...

Due to the miscalculation of cutoff level, now I’m facing the 60 cm length shortage of pile rebars in to pile cap. How can I extend the rebars? By welding or splicing? What is minimum welding length required for 20mm dia torsteel in this condition? Thanks Regards

Hi all Which society is worth to become a member, giving due consideration to the publications and activities - ASCE or ACI Regards

Hi jike Was there a full time inspector or on-site structural engineer? - yes Was there photos taken of these areas with all rebar in place before the pour? NO Was shoring removed? YES Was it reshored? NO Was the SEOR consulted on the cause? NO How wide are the cracks? HAIR LINE CRACKS Is there...

Hi In a high rise 25 storey residential building with 2 level parking, cracks have developed at every ramp beam column joints and at one place across the ramp slab within one weeks of construction. Why it is developed? is it design mistakes.. Ramp Width - 6m Ramp slope 13% Ground floor to first...

Hi Can any one suggest any good indepth book on QS practice thanks in advance

Hi I'm looking for a manual "Reinforcement detailing Manual to BS 8110 by R.Whittle". But it is out of print. Can any one suggest any good book like this one. or spare a copy of the same. Thanks & regards saleemangilath@hotmail.com

Thanks all hi haynewp The project is in Dubai UAE. So out of seismic area. Here the temperature variation is very high (Average temperature 40 C and max 50 C).Up to the parking floor expansion joints is in both direction X & Y, after that only in Y direction. Regards

Hi jandig...great discussion and good summerization. Thanks a lot. belated one (sorry I was on 40 days vacation from work & subject..). It will be helpfull to me if you send me the slides.Thanks in advance. regards saleemangilath@hotmail.com

I'm working on a 35 storey twin tower with combined ground &parking floors (P1, P2 ,P3) in which expansion joints are located both in X & Y direction. At each expansion joints there is two columns 2 cm apart resting on pile foundation with pile cap.The pile cap is combined one for both the...

I'm working as a civil engineer in Middle east (U A E). here the day temperature is around 44 to 50 o C. What is the most pratical curing I can adopt at this temperature and days of curing for mass concrete,pile caps, Column and slabs. BS 8110 gives some values for curing days but it is limited...

BS 5328 'concrete' replaced with BS EN 206-1 and BS 8500 In new code slump is reported to the nearest 10mm - in BS 5328 it was 5mm. More confusing is in BS EN 206-1 the the slump is defined by class; as S2,S3,S4 and consistence is workability in BS 5328. What about S1 class?. How we specify the...

A recent article I had gone through about concrete cubes specifies Sampling Rate /Quantity of concrete to be represented by each sample Column, Shear Wall -- 10 cum Solid Raft, Pile Caps and mass concrete -- 100 cum All other type or parts --- 25 cum From each sample of concrete taken 2...