Is it good idea to install pvc pipes for soil heave in embankment slope where stone pitching is done for slope stablization and then grout of mortor is done...i am asking these bcz i have notic that pvc pipe make no bond with cement et all.
have seen it done before but i prefer not to grout riprap. there are too many failure modes, such as cracking, seepage and erosion. better to use larger riprap, good bedding and no grout, even though it might cost a bit more.