The pulse velocity method has been used to study the effects on concrete of freeze-thaw action, sulphate attack, and acidic waters.
(The pulse velocity method; has been used; to study the effects on concrete of freeze-thaw action, sulphate attack, and acidic waters) (The pulse velocity method; to study; the effects on concrete of freeze-thaw action, sulphate attack, and acidic waters)
The pulse velocity method The pulse velocity method
has been used to study
to study the effects on concrete of freeze-thaw action, sulphate attack, and acidic waters
the effects on concrete of freeze-thaw action, sulphate attack, and acidic waters