There are a variety of mechanical tooling to break and remove concrete from inside a pipe.
Dissolve concrete in pipes.
The product is the most effective and time efficient product for concrete grout mortar cement based products that have blocked a drain.
Common problems this technique has is getting the tool to the concrete if the pipeline has multiple bends before you can access it and also the damage caused to the host pipe when using the mechanical tooling to break and remove the concrete.
Being able to successfully clear concrete from drain pipes is a common question for drain clearing and pipe relining contractors.
His advice to get the pipe fully clear was to use hydrochloric acid and allow it to sit in the pipe to soften the concrete so it could be flushed through the pipes.
Easily dissolve concrete grout levellers screed cement products in drain pipes and drain traps.
Cctv inspection and high pressure jet blasting.
It is a slow process.
If the cement has accidentally and recently been put into a drain flushing it with plenty of water may be a simple but effective fix.
If any hair was sucked down the pipe it would block the waste up because it was only a small hole through the concrete.
Muriatic acid is commonly available e g from pool suppliers and is dilute hydrochloric acid.
Ways to clear concrete from drains.