YAJAHUANCA FLOR T1.docx

PROPIEDADES VOLUMETRICAS Y GRAVIMETRICAS DE LOS SUELOS

UNIVERSIDAD NACIONAL MAYOR DE SAN MARCOS
(Universidad del Perú, DECANA DE AMÉRICA)
ESCUELA DE POST GRADO
FACULTAD DE INGENIERÍA GEOLÓGICA, MINERA,
METALÚRGICA Y GEOGRÁFICA
MAESTRIA CON MENCIÓN EN GEOTECNIA
Trabajo N° 01
Docente:
Dr. Ing Luis Moran Uañez
CURSO:
Mecánica de suelos
Alumna:
Yajahuanca Huaman Flor Yasmin
Lima 21 de abril de 2023
CODIGO DE ESTUDIANTE: 2316040
Se ha efectuado un estudio de suelos, encontrándose el siguiente perfil:
0.0 - 4.5 m Arena fina, medianamente densa,
húmeda, marrón claro (SW)
 γd = (1.5+0.02p+0.01u) gr/cm³
γd = (1.5+0.02*4+0.0*0) gr/cm³
γd = 1.58 gr/cm³
 ω= (12+p) %
ω= (12+4) %
ω= 18 %
 Gs = 2.60+0.02p
Gs = 2.60+0.02*4
Gs = 2.68
*Relación de vacíos e
*Permeabilidad n
*Grado de saturación S
𝑺 =
𝑾𝑮𝒔
𝒆
𝑺 =
𝟏𝟖 + 𝟐. 𝟔𝟖
𝟏. 𝟔𝟖
𝑺 = 𝟏𝟐. 𝟑𝟎%
*Peso específico húmedo γw
𝜸𝒘 = 𝛾d ∗ 𝜔
𝜸𝒘 = 1.58 ∗ 1.18
𝜸𝒘 = 1.86 𝑔𝑟/𝑐𝑚3
4.5 - 8.0 m Arena media, medianamente
densa, saturada, plomo claro (SP)
 e = 0.60+0.02u
e = 0.60+0.02*0
e = 0.60
 ω = (20+4+2*0) %
ω = 24%
*Permeabilidad n
*Gravedad relativa Gs
𝑺 =
𝑾𝑮𝒔
𝒆
𝟏𝟎𝟎% =
𝟐𝟒% + 𝑮𝒔
𝟎. 𝟔𝟎
𝟏𝟎𝟎 ∗ 𝟎. 𝟔𝟎 = 𝟐𝟒 + 𝐆𝐬
𝟐. 𝟓 = 𝐆𝐬
*Peso específico seco γd
𝐧 =
𝒆
𝟏 + 𝒆
ⅇ =
𝟐. 𝟔𝟖 ∗ 𝟏
𝟏. 𝟓𝟖
− 𝟏 ⅇ = 𝟎. 𝟔𝟗
ⅇ =
𝑮𝑺𝜸𝒘
𝜸𝒅
− 𝟏
𝐧 =
𝟎. 𝟔𝟗
𝟎. 𝟔𝟗
𝐧 = 𝟎. 𝟒
𝐧 =
𝒆
𝟏 + 𝒆
𝐧 =
𝟎. 𝟔𝟎
𝟏 + 𝟎. 𝟔𝟎
𝐧 = 𝟎. 𝟑𝟕
ⅇ =
𝑮𝑺𝜸𝒘
𝜸𝒅
− 𝟏
*Peso específico húmedo γw
𝜸𝒘 = 1.52 ∗ 1.24
𝜸𝒘 = 1.88 𝐺𝑟/𝐶𝑚3
8.0 – 10.0 m Arena mal graduada, densa,
saturada, marrón claro (SP)
 γd = (1.65+0.02u) gr/cm³
γd = (1.65+0.02*0) gr/cm³
γd = 1.65 gr/cm³
 Gs = 2.60+0.01p
Gs = 2.60+0.01*4
Gs = 2.60+0.04
Gs = 2.64
*Relación de vacíos e
*Permeabilidad n
*Humedad W
𝑺 =
𝑾𝑮𝒔
𝒆
𝟏𝟎𝟎% =
𝑾 + 𝟐. 𝟔𝟒
𝟎. 𝟔
𝟏𝟎𝟎 ∗ 𝟎. 𝟔 = 𝑾 + 𝟐. 𝟔𝟒
𝟐𝟐. 𝟕 = 𝑾
*Peso específico húmedo γw
𝜸𝒘 = 𝛾d ∗ 𝜔
𝜸𝒘 = 1.65 ∗ 1.22
𝜸𝒘 = 2.1 𝑔𝑟/𝑐𝑚3
𝟎. 𝟔𝟎 =
𝟐. 𝟓 ∗ 𝟏
𝜸𝒅
− 𝟏
𝟎. 𝟔𝟎 ∗ 𝜸𝒅 + 𝟏 = 𝟐. 𝟓
𝟏. 𝟔𝟎 ∗ 𝜸𝒅 = 𝟐. 𝟓
𝟏. 𝟔𝟎𝜸𝒅 = 𝟐. 𝟓
𝜸𝒅 = 𝟏. 𝟓𝟐 𝐆𝐫/𝐂𝐦𝟑
𝐧 =
𝒆
𝟏 + 𝒆
ⅇ =
𝟐. 𝟔𝟒 ∗ 𝟏
𝟏. 𝟔𝟓
− 𝟏 ⅇ = 𝟎. 𝟔
ⅇ =
𝑮𝑺𝜸𝒘
𝜸𝒅
− 𝟏
𝐧 =
𝟎. 𝟔
𝟏 + 𝟎. 𝟔
𝐧 = 𝟎. 𝟑𝟕
10.0 -? Grava bien graduada, medianamente
densa, saturada, plomo claro (GW)
El nivel freático se encontró a 4.5 m de
profundidad.
 γd = 2.30 gr/cm³
 Gs = 2.65
Relación de vacíos e
*Permeabilidad n
*Humedad W
𝑺 =
𝑾𝑮𝒔
𝒆
𝟏𝟎𝟎% =
𝑾 + 𝟐. 𝟔𝟒
𝟎. 𝟏
𝟏𝟎𝟎 ∗ 𝟎. 𝟏 = 𝑾 + 𝟐. 𝟔𝟒
𝟐𝟔. 𝟒 = 𝑾
*Peso específico húmedo γw
𝜸𝒘 = 𝛾d ∗ 𝜔
𝜸𝒘 = 𝟐. 𝟑𝟎 ∗ 1.264
𝜸𝒘 = 2.8 𝑔𝑟/𝑐𝑚3
.
Se pide calcular todas las relaciones gravimétricas-volumétricas de todos los estratos del suelo
indicado.
𝐧 =
𝒆
𝟏 + 𝒆
ⅇ =
𝟐. 𝟔𝟓 ∗ 𝟏
𝟐. 𝟑𝟎
− 𝟏 ⅇ = 𝟎. 𝟏
ⅇ =
𝑮𝑺𝜸𝒘
𝜸𝒅
− 𝟏
𝐧 =
𝟎. 𝟏
𝟏 + 𝟎. 𝟏
𝐧 = 𝟎. 𝟎𝟗

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YAJAHUANCA FLOR T1.docx

  • 1. UNIVERSIDAD NACIONAL MAYOR DE SAN MARCOS (Universidad del Perú, DECANA DE AMÉRICA) ESCUELA DE POST GRADO FACULTAD DE INGENIERÍA GEOLÓGICA, MINERA, METALÚRGICA Y GEOGRÁFICA MAESTRIA CON MENCIÓN EN GEOTECNIA Trabajo N° 01 Docente: Dr. Ing Luis Moran Uañez CURSO: Mecánica de suelos Alumna: Yajahuanca Huaman Flor Yasmin Lima 21 de abril de 2023
  • 2. CODIGO DE ESTUDIANTE: 2316040 Se ha efectuado un estudio de suelos, encontrándose el siguiente perfil: 0.0 - 4.5 m Arena fina, medianamente densa, húmeda, marrón claro (SW)  γd = (1.5+0.02p+0.01u) gr/cm³ γd = (1.5+0.02*4+0.0*0) gr/cm³ γd = 1.58 gr/cm³  ω= (12+p) % ω= (12+4) % ω= 18 %  Gs = 2.60+0.02p Gs = 2.60+0.02*4 Gs = 2.68 *Relación de vacíos e *Permeabilidad n *Grado de saturación S 𝑺 = 𝑾𝑮𝒔 𝒆 𝑺 = 𝟏𝟖 + 𝟐. 𝟔𝟖 𝟏. 𝟔𝟖 𝑺 = 𝟏𝟐. 𝟑𝟎% *Peso específico húmedo γw 𝜸𝒘 = 𝛾d ∗ 𝜔 𝜸𝒘 = 1.58 ∗ 1.18 𝜸𝒘 = 1.86 𝑔𝑟/𝑐𝑚3 4.5 - 8.0 m Arena media, medianamente densa, saturada, plomo claro (SP)  e = 0.60+0.02u e = 0.60+0.02*0 e = 0.60  ω = (20+4+2*0) % ω = 24% *Permeabilidad n *Gravedad relativa Gs 𝑺 = 𝑾𝑮𝒔 𝒆 𝟏𝟎𝟎% = 𝟐𝟒% + 𝑮𝒔 𝟎. 𝟔𝟎 𝟏𝟎𝟎 ∗ 𝟎. 𝟔𝟎 = 𝟐𝟒 + 𝐆𝐬 𝟐. 𝟓 = 𝐆𝐬 *Peso específico seco γd 𝐧 = 𝒆 𝟏 + 𝒆 ⅇ = 𝟐. 𝟔𝟖 ∗ 𝟏 𝟏. 𝟓𝟖 − 𝟏 ⅇ = 𝟎. 𝟔𝟗 ⅇ = 𝑮𝑺𝜸𝒘 𝜸𝒅 − 𝟏 𝐧 = 𝟎. 𝟔𝟗 𝟎. 𝟔𝟗 𝐧 = 𝟎. 𝟒 𝐧 = 𝒆 𝟏 + 𝒆 𝐧 = 𝟎. 𝟔𝟎 𝟏 + 𝟎. 𝟔𝟎 𝐧 = 𝟎. 𝟑𝟕 ⅇ = 𝑮𝑺𝜸𝒘 𝜸𝒅 − 𝟏
  • 3. *Peso específico húmedo γw 𝜸𝒘 = 1.52 ∗ 1.24 𝜸𝒘 = 1.88 𝐺𝑟/𝐶𝑚3 8.0 – 10.0 m Arena mal graduada, densa, saturada, marrón claro (SP)  γd = (1.65+0.02u) gr/cm³ γd = (1.65+0.02*0) gr/cm³ γd = 1.65 gr/cm³  Gs = 2.60+0.01p Gs = 2.60+0.01*4 Gs = 2.60+0.04 Gs = 2.64 *Relación de vacíos e *Permeabilidad n *Humedad W 𝑺 = 𝑾𝑮𝒔 𝒆 𝟏𝟎𝟎% = 𝑾 + 𝟐. 𝟔𝟒 𝟎. 𝟔 𝟏𝟎𝟎 ∗ 𝟎. 𝟔 = 𝑾 + 𝟐. 𝟔𝟒 𝟐𝟐. 𝟕 = 𝑾 *Peso específico húmedo γw 𝜸𝒘 = 𝛾d ∗ 𝜔 𝜸𝒘 = 1.65 ∗ 1.22 𝜸𝒘 = 2.1 𝑔𝑟/𝑐𝑚3 𝟎. 𝟔𝟎 = 𝟐. 𝟓 ∗ 𝟏 𝜸𝒅 − 𝟏 𝟎. 𝟔𝟎 ∗ 𝜸𝒅 + 𝟏 = 𝟐. 𝟓 𝟏. 𝟔𝟎 ∗ 𝜸𝒅 = 𝟐. 𝟓 𝟏. 𝟔𝟎𝜸𝒅 = 𝟐. 𝟓 𝜸𝒅 = 𝟏. 𝟓𝟐 𝐆𝐫/𝐂𝐦𝟑 𝐧 = 𝒆 𝟏 + 𝒆 ⅇ = 𝟐. 𝟔𝟒 ∗ 𝟏 𝟏. 𝟔𝟓 − 𝟏 ⅇ = 𝟎. 𝟔 ⅇ = 𝑮𝑺𝜸𝒘 𝜸𝒅 − 𝟏 𝐧 = 𝟎. 𝟔 𝟏 + 𝟎. 𝟔 𝐧 = 𝟎. 𝟑𝟕
  • 4. 10.0 -? Grava bien graduada, medianamente densa, saturada, plomo claro (GW) El nivel freático se encontró a 4.5 m de profundidad.  γd = 2.30 gr/cm³  Gs = 2.65 Relación de vacíos e *Permeabilidad n *Humedad W 𝑺 = 𝑾𝑮𝒔 𝒆 𝟏𝟎𝟎% = 𝑾 + 𝟐. 𝟔𝟒 𝟎. 𝟏 𝟏𝟎𝟎 ∗ 𝟎. 𝟏 = 𝑾 + 𝟐. 𝟔𝟒 𝟐𝟔. 𝟒 = 𝑾 *Peso específico húmedo γw 𝜸𝒘 = 𝛾d ∗ 𝜔 𝜸𝒘 = 𝟐. 𝟑𝟎 ∗ 1.264 𝜸𝒘 = 2.8 𝑔𝑟/𝑐𝑚3 . Se pide calcular todas las relaciones gravimétricas-volumétricas de todos los estratos del suelo indicado. 𝐧 = 𝒆 𝟏 + 𝒆 ⅇ = 𝟐. 𝟔𝟓 ∗ 𝟏 𝟐. 𝟑𝟎 − 𝟏 ⅇ = 𝟎. 𝟏 ⅇ = 𝑮𝑺𝜸𝒘 𝜸𝒅 − 𝟏 𝐧 = 𝟎. 𝟏 𝟏 + 𝟎. 𝟏 𝐧 = 𝟎. 𝟎𝟗