International Journal of Civil Engineering, Construction and Estate Management (IJCECEM)

EA Journals

Characterization

Contribution in the Mechanical Characterization of Two Rivers Sand From the South-Mifi River of the Mifi Basin in Cameroon (Published)

The valorization and the use of natural resources as building materials require a meticulous study of its geotechnical properties. Thus a study of river sands and crushed stones of the Area of the West Cameroon in the Department of MIFI was carried out with an aim of promoting its rational use in Civil Engineering constructions. After the fieldwork, laboratory studies have been focused on the mechanical characterization of the Sands samples of various careers taken; such as (Proctor test, test CBR and the formulation of the Concrete) and geotechnical references. These data made Object of traditional statistical treatments of the Mechanical Characterization; variability of each mechanical parameter, the search of correlations between some parameters and a factorial analysis of the whole data. The study concludes that the representative samples of the analyzed aggregates have mechanical properties which differed from the upper side of the South-Mifi River to the lower side of the river. The CBR from the upper side of the river is 15.05 and to the lower side 5.61 either a variation of 62.72 %.The normal Proctor from the upper side river gives a dry density of 1.33g/cm3 for an optimal water content of 17.41 % and to the lower side river the dry density is 1.23 g/cm3  for an optimal water content of 25.8 %.From the upper side, the modified Proctor test , the dry density is 1.53 g/cm3 for an optimal water content of  16.9 % and to the lower side river the dry density is 1.39 g/cm3 for a water content of 21.5 %.For the concrete compression resistance at 28 days, from the upper side river , the resistance strength is 26.70 MPa and to the lower side the resistance strength is 24 MPa.

Keywords: Characterization, Civil engineering., Crushed stones, Geotechnical, Mechanical, Sand grain size

Contribution in the Mechanical Characterization of two Rivers Sand from the South-Mifi River of the Mifi Basin in Cameroon (Published)

The valorization and the use of natural resources as building materials require a meticulous study of its geotechnical properties. Thus a study of river sands and crushed stones of the Area of the West Cameroon in the Department of MIFI was carried out with an aim of promoting its rational use in Civil Engineering constructions. After the fieldwork, laboratory studies have been focused on the mechanical characterization of the Sands samples of various careers taken; such as (Proctor test, test CBR and the formulation of the Concrete) and geotechnical references. These data made Object of traditional statistical treatments of the Mechanical Characterization; variability of each mechanical parameter, the search of correlations between some parameters and a factorial analysis of the whole data. The study concludes that the representative samples of the analyzed aggregates have mechanical properties which differed from the upper side of the South-Mifi River to the lower side of the river. The CBR from the upper side of the river is 15.05 and to the lower side 5.61 either a variation of 62.72 %.The normal Proctor from the upper side river gives a dry density of 1.33g/cm3 for an optimal water content of 17.41 % and to the lower side river the dry density is 1.23 g/cm3  for an optimal water content of 25.8 %.From the upper side, the modified Proctor test , the dry density is 1.53 g/cm3 for an optimal water content of  16.9 % and to the lower side river the dry density is 1.39 g/cm3 for a water content of 21.5 %.For the concrete compression resistance at 28 days, from the upper side river , the resistance strength is 26.70 MPa and to the lower side the resistance strength is 24 MPa.

Keywords: Characterization, Civil engineering., Crushed stones, Geotechnical, Mechanical, Sand grain size

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