DeteriorationofconcretestructuresmadewithordinaryPortlandcementThe experimental investigations are carried out to study the benefits of Prosopis juliflora in RCC structure by partial replacement of cement. Prosopis juliflora is one among the species that has performed much better than many native woody species. But wide spread Prosopis juliflora has become an invader species, so the removal of the plant is necessary now. At the moment, Prosopis juliflora provides approximately 75% of fuel wood needs of rural people in arid and semiarid regions of India. Prosopis juliflora is xerophytic and is adapted to many soil types under a wide range of moisture conditions. Most of the plant are removed by uprooting and is burnt.