well-graded gravel should have .......... (a) Cu≥ 4. (b) Cu ≥ 6. neumatic tyred rollers are suitable for compacting... For most soil types. - (a) Oven-drying of an organic soil (b) Coarse soils. (a) doesn't affect the liquid limit (c) increases the liquid limit of the soil (c) Cu 21. (c) Closed small area. (d) Cu 23. (d) Fine soils.. (b) reduces the liquid limit (d) none of above.

well-graded gravel should have .......... (a) Cu≥ 4. (b) Cu ≥ 6. neumatic tyred rollers are suitable for compacting... For most soil types. - (a) Oven-drying of an organic soil (b) Coarse soils. (a) doesn't affect the liquid limit (c) increases the liquid limit of the soil (c) Cu 21. (c) Closed small area. (d) Cu 23. (d) Fine soils.. (b) reduces the liquid limit (d) none of above.

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

See similar textbooks

Similar questions

1. If the cumulative particle gradation curve of the soil is steep, it means ( ).A. the soil particles are more uniform B. the inhomogeneity coefficient is larger C. good grading D. easy to compact the fill
Water is added to soil compaction process to enhance the compaction process will.. I. Act as hardening agent is soil II. Allow soil particles to move into densely pack position. III. When added too much, it lead to decrement of soil dry density IV. Must be added to achieve designated strength at field I, Il and III II,III and IV Il and IV 1,1I,IV
A soil has the liquid limit of 20% and plastic limit of 15%. Then the classification of soil according to IS classification system is CL-ML ML None CI ML-MO
1- A constant head permeameter is used for Coarse-grained soils (b) Silty soils (c) Clayey soils (d) Organic soils 2-The effective stress controls the following properties of soils: (a) Shear strength (b) Compressibility Permeability (d) All the above 3- The shear strength of plastic undrained clay depends upon (a) Internal friction Cohesion (c) Both (a) and (b) (d) Neither (a) and (b) 4-The coefficient of compressibility is the ratio of (a) Change in void ratio to change in effective stress (b) Volumetric strain to change in effective stress. (c) Change in thickness to change in effective stress. (d) Stress to strain 5- With an increase in the liquid limit, compression index (a) Decreases () Increases (c) Remain constant (d) May increase or decrease
12- produces the loss of strength in saturated, cohesionless soils due to the build-up of pore water pressures during dynamic loading. It results from the tendency of soils to decrease in volume when subjected to shearing stresses. a) Liquefaction b) Landslide Seiche Sediments Boş bırak Kapat
AASHTO SOIL CLASSIFICATION (by AASHTO) AASHTO = American Association of State Highway and Transport Officials Situation 2 Classification of Highway Subgrade Materials % FINER SOIL B SIEVE General classification Granular materials (35% or less of total sample passing No. 200) SOIL A SOIL C 10 83 100 90 A-1 А-2 Procedure: 40 48 92 76 Group classification A-1-a А-1-b А-3 A-2-4 A-2-5 A-2-6 A-2-7 O Group Classification with required test data in mind, proceed from left to right, in chart. The correct group will be found by process of elimination. The first group from the left consistent with the test data is the corect classification. 86 34 Sieve analysis (percentage passing) No. 10 200 20 LL 20 70 37 50 max. 30 max. No. 40 No. 200 Characteristics of fraction PI 32 18 50 max. 51 min. 15 max. 25 max. 10 max. 35 max. 35 max. 35 max. 35 max. Using AASHT0 method: 1. Determine the group symbol and index for soil A. 2. Determine the group symbol and index for soil B. 3. Determine the group symbol…
i- The maximum value of saturation of very fine soil is = ii- The maximum value of the rock forming mineral is estimated to be =. iii- The permeability of the sandy soil is = m/min iv- The L.L of heavy clay is estimated to be = v- The specific gravity of the soil CL is estimated to be ..... ..... .............
To determine the plasticity limit in soils are available 2 test, E1= test #1 y E2= test #2. Identify the following events: 1- at least one test is available 2- both test are available 3- only test # 2 is available 4- none is available
PROBLEM NO. 2 A fined grained soil (no sand) is found to have a liquid limit of 70%, and a plastic limit of 38%. 70 CH 60 PIOLL- -line RZ0.73(L 20) CL U-e 10 OL 30 MH -CL- ML 10 ML OH or OL 10 16 20 30 40 $0 70 80 Liquid limit a. What is the plasticity index for this soil? b. On the plasticity chart for USCS, what soil type is 90 100 this? c. On the plasticity chart for the AASHTO Classification System, what soil type is this? Plasticitý index
The Name :- Answer the following questions :-( Choose 5 only) 1- .is the moisture content that defines where the soil changes from a plastic to a viscous fluid state. 2- The difference between the PL and the LL is defined as.... 3- Why is it not possible to use core cutter method for calculating the density of cohesion less soil? 4- The relative density of a soil is 5- In the sieve analysis test Place the sieve stack in the mechanical shaker and shake for . minutes . 6- Hydrometer testing is performed on soil passing from a sieve.
slump-flow test ve-be test compacting factor test degree of compactibility kelly ball test slump test
Classify: This material has 74% fine to coarse, hard, sub-angular reddish sand; 26% organic and silty dark-brown fines. The liquid limit (not dried) is 37% while it is 26% when oven dried. The plasticity index (not dried) is 6 and there was a weak reaction with HCL.