I don’t understand the anchor bolts of a certain storage tank. Please give me some advice.
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Today I found a storage tank's anchor bolts at the site. They are all like this. I don't understand. Please ask the senior prawns in the group to give some advice. Is it an oversight or does it have a deeper meaning?
The uneven settlement of the foundation is severe. If it is loosened, the additional stress will be too great and the large corner joints will be cracked. Although the main function of the storage tank anchor bolts is to prevent slipping and lifting off, this is only under earthquake and strong wind conditions. This situation is rare~ Choose the lesser of two evils.
Heat expands and cold shrinks. There is another one. foundation problems
There is only one photo, so it’s hard to be sure. What's the situation with other foundations? Generally speaking, the basic possibility is relatively high, and thermal expansion and contraction will not be so large. Are there any underground pipe leaks around? There is water in some parts of the ground, which will cause this phenomenon after freezing in winter.
It is enough to reserve 3~5mm, this seems to be the precipitation of time:D
Allowance for tank bottom deformation. Generally, it is adjusted and determined during the foundation settlement test. The picture should show an empty tank or when the liquid level in the tank is low.
The installation of anchor bolts on storage tanks only appeared in recent years. I don’t know which design institute expert proposed it. Now many units have followed the design and used it. When you see the picture, you should consider whether the design is necessary, right? Personally, I think the tank is relatively light and was designed to avoid being blown away by the wind when empty, so it doesn't make much sense.