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SlideRuleEra: So the results from load tests are ultimate and the PDA tests are only carried out to justify Engineer's design. Is that correct? jasonpc: 2% of production piles? Which code do you get this? So there is a clause to say how many PDA we are recommended to carry out for a certain...

Thanks for your advices. For this projrct my responsibilities would include dealing with the client, a person who will the other consultants and the contractor go to if they have any enquiry, attending every meetings and site inspection. "I'll get back to you with an answer" is a good move to...

Hello all, I am not sure whether this is a correct sub-forum I shall post. So here is the situation: I was not following this one project from the earliest stage. (For info I am a graduate engineer). Currently we are in the construction stage. Now, due to some unforeseen circumstances, instead...

Hello all, I would like to know your opinion on the subject. There is this one project of ours. The contractor has divided the piling works into phases, let's say: 4 phases. Consultant proposing to have 4 nos of PDA tests; in which 1 No for each phase. Now, the client do not want to delay the...

Hello all, Could you help to guide me on how to approach the design of chemical anchor bolts into the rc structure? How do you take into account of the chemical in this calculation? Thanks. #LoveWins

@KootK Attached is the diagrams for the pile caps. @TLHS My resultant load will acting on the centroid of the pile cap still right? I need to determine shear for both the columns...

Hello Hi, Could anyone here guide me on how to design combined pile cap supporting two columns? The situation is due to the overlapping of pile cap of the individual column. Thank you. #LoveWins

Dear All, A query. Does pile cap take moment from column? The situation here is to design a footing for cantilever car park roof. From what I learnt, pile cap does not take moment from column; only axial loads. Thanks. #LoveWins

Hi All, For covered car park, what loadings do you usually need to consider? Do we need to include uplift in the design also? Thanks for your help. #LoveWins

@BAretired: Thanks for your guide. Yup, I calculate the loading on the piles, both loading at Pile B and C exceeds. So I am gonna try to add another pile. @thaidavid40: If not adding new pile, then the point would only have 2 piles in which the post required 3 piles. How do we do that without...

@KootK: They are using 200 SQ. RC piles. #LoveWins

Greetings to all the members, This one is regarding the design of pile cap. As per attached PDF, we design the pile cap (for 3 piles) in a way the pile spacing is equal centre-to-center. However, due to the ground condition, one of the 3 piles cannot be piled at the proposed position, thus they...

Hi Everyone, Just an enquiry. Is it a must to have a beam (i.e. a roof beam) to terminate the brickwall? Or is it a normal practice to let the brickwall stands cantilever from the floor? Thanks. #LoveWins

Hi All, Thanks for sharing your opinions. Attached is the layout plan, Yeah, it surely looks like I need to extend the slab to catch the piles there. Cantilevered wall? Do we analyse it like a deep beam method? Yeah, we are still trying to convince them to add more piles. Oh, noted on...

Dear All, I have some enquiries regarding the design for RC swimming pool. The situation is like this: The piles were piled as per the proposed swimming pool at the earlier construction stage. However, now the client/architect has changed the layout of the swimming pool. As a results, the...

Dear All, I need your input regarding the above subject. For a project, how do you actually review the piling record? What are the items that are essential to check? One more question, how to calculate the pile-cut off level for the RC piles? Thank you for your help. #LoveWins

SlideRuleEra, Attached is the drawing for the as-built piling and proposed. Green = designed location, Purple = as-built location. The thickness for the slab is 500mm THK. Buggar, The soil is a bit weak. The pile penetration is roughly 37m DEEP. KootK, Ah noted on that, will check using that...

Dear All, How to do the analysis of lift pit with eccentricity in the piles? Do I treat it as flat slab? Actually, the situation is like this. Due to the site condition, the contractor had to adjust the piles which in turn creates eccentricity in the piles. They are no longer at the sides...

Dear All, I wish to seek for your advises and guides on designing the above-mentioned subject. The main project is to construct shoopping complex plus apartments. Instead of inground, the swimming pool will be build on the third floor of the building. I have yet to find a structural guide on...

Hi KootK, I did not encounter that check in my code also. How do you do checking for punching shear in the beam? Mind to illustrate how that detail is? Yup, there is column transfer also in it. Was thinking to the haunch at the part where the column transfers are. #LoveWins