中華民國也有復仇者聯盟
3000 psi or 5000 psi concrete - -Concrete Engineering general discussion - Eng-Tips 最強的都到齊了~~怎麼少了黑寡婦?!XD i am building a house in waynesvile, nc (3700 elevation). Would there be an advantage to pouring the footers and basement floor with 5000 psi instead of 3000 psi concrete. the local standard is 3000 psi at 6" for the floor, however i have see a lot of cra...
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