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Hokie, I really appreciate the way you impart. With my few years here in the island, i haven't heard that they are using admixtures on there mortar. I believe this will be the first time to introduce this stuff on the island's construction so i don't think our mason are well aware of this. I...

Thanks Hokie for the info. How about if i will not use lime? Is there any effect? StructuralEIT, thanks and i have found the Table that deals with the proportioning and could you please correct me if i didn't got things mix up. Under Mortar cement Type S 1/2 part cement for 2 1/4 aggregate...

Hokie is right. Hokie, i can only used Portland Cement Type 1,we are lucky to have this on the island.

Thanks guys, StructuralEIT, where can i get the one your referencing. I do have ACI 530-02/ASCE 5-02/TMS 402-02 as references. Ron, i am on the contractor and our inspector requires me to do the mix design for them but i dont have any references.

Hi to everyone, Our specs calls for 2500psi for mortar and 2000psi for grout. Could anybody help me any reference manual on the procedure for proportioning the said stuff. I would appreciate responses. Thanks

Thanks, guys...

Hi! Is there any limiting maximum spanlenght for masonry wall structure? I'm just curious of 30 ft span of beam on second floor supported by 8" masonry wall below.

030366, I think you can superimpose s-curve on bar chart by going to Graphic bar chart(look for overlay option)

Thanks guys. Hokie66, our local supplier does not claim they meet our requirements, they are not engineers and even not know what is ASTM C90 as reference.They just give the result of test from Guam and even the laboratory in Guam did not say either the blocks conform or not conform to the...

Thanks hokie66. I cannot redesign the structure the fact that i am on the contractor's side. Even our inspector does not know whether to waive the other requirements or not. I can get the stuff from guam but if it safe to use the locally made it would be better. I just want to know the...

My real concern now is the production of loadbearing blocks, few months ago i've heard that the a lone block producer in the island was able to produce blocks meeting our requirements of fm=1800psi.Sample was tested in Guam and the compressive strength exceeded the required. What bothers me is...

Thanks you Guys for your informations and i've learned lot from it. Well, i am in Kosrae, Micronesia one of the island in the 'Pacific ring' and i am working on a 2 storey school building designed by an engg firm from hawaii. It is a reinforced concrete masonry wall with ACI 530-02 as their...

Hi Everyone, I am working on reinforced concrete masonry structure using 8" load bearing blocks,this is my first time to handle this type of structure. Details of walls indicate a "bond beam" on every 3 layers of concrete blocks. I have gone to a different site for CMU manufacturers and found...