I read some comics that are split up story-wise into episodes in the same way a tv show would be, but they tend to still update 1/2 pages/chunks a week. It's just that every three months or so there's a new phase of the story, and when they publish the comic they are able to split them up into issues easily. I think it's a really good format for webcomics, so I hope it works out for you!
The way webcomics tend to update is really strange when you're new to it, especially if you're someone who'd rather sit down and read something that's complete. At first I tried to think of different ways of chunking content together rather than releasing it page by page, but in the end I realised that there is definitely a reason most people release individual pages/small episodes.
It's much easier to buid a following if you update steadily as you're likely to get new readers with each update. More chances to advertise, more chances to get people into a habit of reading your work, more chances to show your readers that you're active and producing content (since webcomic creators sometimes vanish!) You also suit both types of readers doing it that way. THe people who love the steady weekly drip of content can check weekly, while the bingers like me might hold off a few months and then read a chunk when they feel like it.
Two things I would suggest so that you don't end up with the "80+ posts and the story has gone nowhere" problem -
1 - Make sure you have a sizeable amount to upload when you first start your comic. Some people like tuning in every week for a single page, but first they've got to see enough to hook them into doing that. So perhaps you might decide to upload your opening scene or a few scenes when you first start the comic.
2- Don't decompress the story too much, unless you can put out a lot of pages. Webcomics sometimes aim to mix the drawn-out cinematic style of black and white manga with the detailed backgrounds, figures and colouring of Western comics - add in no page limitations and a lack of planning and it's easy to fall into the trap of taking forever to get anywhere.