Citas bibligráficas
Arevalo, R., Tananta, J. (2022). Mejoramiento de afirmado con adición de cal estructural en el camino vecinal SM 804 Alto Ponaza, Miraflores, distrito de Shamboyacu, Picota – San Martín [Tesis, Universidad Científica del Perú]. http://hdl.handle.net/20.500.14503/1891
Arevalo, R., Tananta, J. Mejoramiento de afirmado con adición de cal estructural en el camino vecinal SM 804 Alto Ponaza, Miraflores, distrito de Shamboyacu, Picota – San Martín [Tesis]. PE: Universidad Científica del Perú; 2022. http://hdl.handle.net/20.500.14503/1891
@misc{renati/1038496,
title = "Mejoramiento de afirmado con adición de cal estructural en el camino vecinal SM 804 Alto Ponaza, Miraflores, distrito de Shamboyacu, Picota – San Martín",
author = "Tananta Utia, Jherson Habraham",
publisher = "Universidad Científica del Perú",
year = "2022"
}
The affirmed layer placed in the section of study of this thesis is the unconditional support of the structure of the road, with which it will resist the different points of vertical loads and deformations, it is preferable to classify the types of soils to exist and in which it must be treated chemically and improve its physical and mechanical characteristics for which it must meet the minimum requirements for the construction of the road. In this research, the usefulness of the addition of lime to improve the characteristics of plastic soils will be evaluated in order to be able to be used in subgrade of good bearing capacity in a high traffic road (local road SM 804 Alto Ponaza, Miraflores, District of Shamboyacu - Picota - San Martín). To improve the properties of the soil, it has been decided to add lime (also called structural lime) calcium oxide (Cao) in dosages of 2.5%, 4.5% and 7.5%, in order to find the optimal dosage that improves the chemical properties and such as its mechanical and physical characteristics of the soil. This type of stabilizer being very common and at the same time very useful because it is an inexpensive and abundant material in the Peruvian territory, which is why in this investigation a brief description of the existing material will be made by means of the sieving granulometric test ASTM D 1241-305 to determine the type of soil to be treated followed by the modified Proctor 2000 test according to ASTM D-1557 and finally the CBR test ASTM D-1883 to determine its bearing capacity for the affirmed material. Soil stabilization allows improving its properties, especially its stress levels - deformation, it is not surprising that the most common techniques observed in the province and in professional practice to stabilize a soil are only material and water for compaction. However, with the development and rise of renewable technologies or sustainable development, an attempt is being made to investigate and develop new unconventional stabilization methods that are viable from a technical, resistance, economic, and environmental point of view. TESIS: MEJORAMIENTO DE AFIRMADO CON ADICIÓN DE CAL ESTRUCTURAL EN EL CAMINO VECINAL SM 804 ALTO PONAZA, MIRAFLORES, DISTRITO DE SHAMBOYACU, PICOTA – SAN MARTÍN 11 The main objective of this thesis work is to determine the technical advantages of stabilizing clay subgrades with lime, to be used as a base or sub-base for the SM 804 Alto Ponaza neighborhood road in the Shamboyacu district. The tests carried out on the soil samples in the laboratory allow us to assess the positive changes that the proportions of lime generate on the soil samples. These tests were: CBR, granulometry, modified Proctor and consistency limits; to later compare the results obtained from the tests, and thus carry out a correct dosage of lime thus obtaining an optimal soil. Not meeting the specifications established in the standards, it was first decided to use the Eades & Grim method (ASTM D 6276) in order to obtain the percentage of lime necessary to stabilize the soil, which consists of measuring the pH value of soil samples - lime, determining the percentage of lime in order to determine the effectiveness of stabilization. Finally, when comparing the soil - lime with the soil in its natural state, its plasticity and the percentage of expansion were reduced. Therefore, the percentage of lime is satisfactory to achieve the stabilization of the analyzed soil, thus complying with the specifications established in the MTC technical specifications manual.
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