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G'day! Im chasing some properties for G250 and G500 reinforcing bars. Query: 1.) Is there a difference in the strain for G250 (fy=250MPa) and G500 (Fy = 500MPa)? If so what are the values? 2.) How about the coefficient of thermal expansion? Hoping anyone can assist or point me to the right...

There's also a good reference and design guide published by the Cement and Concrete Association of Australia "Industrial Floors and Pavements". It's simple to understand and easy to follow. Cheers!

g'day! thanks for these leads and advise. For the correlations, i just want to check the results and recommended values for validity. double checking instead of just blindly accepting the values. and to know more about geotech which i find intriguingly challenging... for other leads or...

G'day! I have a geotechnical report on a very big area of land which contains the averaged CBR and Angle of internal friction plus the individual testing report for CPT, SPT, and even a trial fill testing. I want to check the validity of the average and derive some specific values for an area...

G'day all! somebody approached our office regarding a roll-over cage certification (on a forklift). I have gone through AS2359.9 - High lift rider trucks - overhead guards - Specification and testing ( which is similar to ISO6055:1979). The above code (australian)covers only the overhead...

Cheers mate! Yup, a footing problem down-under.. anyway, im actually designing a precasting (prestressing) bulkhead. A previous design had a triangular footing to counter the eccentric stressing load of 2400KN and used the friction / bearing of the sloping portion to take on the horizontal...

G'day All! Just would like to enquire if anyone can lead me to specifications or concepts on: 1.) Effects of soil inclination to foundation eg: soil is inclined and footing is inclined along it. - doing some experiment with foundation and i have to incline a footing along the grade of the...

Good day! I am looking into the forces involved in the design of a fire sprinkler pipeline foundation. the diesel pump is pumping water from the sea to be used as a fire sprinkler water in a wharf. the pipe is inclined at around 40degrees and running around 26m up to the pump. the pump can...

ohhhh... it's microstran? i thought it's microstrand... with a "d" thanks. i now knew the site.. any comments on its capability? how is it compared to STAAD?

Good day to all! I would like to have an info on MICROSTRAND... I have searched it in the net but nothing came up so far. I only came upon Strand7. Can anybody lead me to a website or info on this software? thanks and more power.

I would like to ask for the formula of the coefficient of thermal expasnion for concrete and its parameters. What is its effect in SOG cracking? Thank you and more power.

Ron, I'll be talking with the owner and the contractor later today. I wil give you information on yur quiries. Thanks.

Thank you for your responses. For the inquiries : The slab is quite new, just over a month. It will be used for some processing of products watches and its components also for conveying raw materials on a racking system. The reinforcing bars was adapted all throughout the slab in case big...

We are currently approached to comment on cracks found on slab-on-grade and would like to ask for your idea on its causes and prevention. Cracks are found on corners especially near the stiffer retaining wall ( 250mm thk others are 150mm thk only )and also at the center of the slab. Building...

I'm looking into different options for my pre-cast piles. One is by using pre-stressed concrete piles and the other is by conventional (using rebars only) reinforced concrete piles. Both piles are designed to maintain the required capacity. Specifically, I would like to know: a.)Advantages...

We are designing a retaining wall on the riverbank for a proposed four-storey building. Our main concern is how much surcharge will the building impose on our retaining wall? Retaining wall height is 3.5m. Any leads on how to compute surcharges in general? thanks.

We are designing a retaining wall near a proposed four-storey building. The retaining wall will be located on the riverside. Our concern will be on how much surcharge to use (caused by the building)? Any leads on how to compute surcharges in general?

focht3, We are evaluating which options to choose... either rehabilitate or replace.... thanks for all your answers. If there are still other opinions... kindly post...

Thanks for all the replies you've given... All are very much helpful... Anyway, just curious if there is a protective coating product for reinforcing bars. A protective covering that need not be stripped off the bars prior to concreting... If so, any websites I can go to? More power.

Good day to all! Our company ( a construction firm ) has been approached to check on a rusted reinforcements of slab, beam and rebars under the Comfort rooms of a school building. The building is quite old ( around 30 years ). The beams and slab has already cracked mainly due to the expansion...