Drying Changes Consistency Limits

Date

2019-01-01

Author

Uyeturk, Emre
Huvaj Sarıhan, Nejan

Metadata

Show full item record

This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Item Usage Stats

129
views

0
downloads

This study focuses on the effects of drying on consistency limits. To observe the drying effects, samples for Atterberg limits were prepared (i) by starting from in situ moisture content without any drying, (ii) after drying at 60°C, and (iii) after drying at 110°C oven. When the samples were prepared by starting from their natural moisture content, the liquid limit values was 35% to 81% (1% to 26% higher with respect to the case of no drying) and plasticity index was 0% to 31%. Organic content of the samples were determined by loss on ignition test and were in the range of 4.3% to 12.1%. The mineralogy of the samples was investigated via XRD and SEM, and halloysite mineral was encountered. It is concluded that soils containing organic matter, and/or formed by weathering of volcanic rocks should not be oven dried when soil mechanics index tests are to be conducted, since their properties are significantly influenced due to irreversible dehydration.

Subject Keywords

Atterberg limits, Organic soil, Drying, Liquid limit

URI

https://hdl.handle.net/11511/39656

DOI

https://doi.org/10.1061/9780784482124.054

Collections

Department of Civil Engineering, Conference / Seminar

Suggestions

OpenMETU
Core

Usage of solar-assisted spouted bed drier in drying of pea Şahin, Serpil; Şümnü, Servet Gülüm (2013-07-01) The main objective of this study is to evaluate the effects of solar-assisted spouted bed and open sun drying on the drying rate and quality parameters of pea. Color, shrinkage, bulk and apparent densities, internal and bulk porosities, rehydration capacity and microstructure were the quality parameters investigated in dried product.
Thermal Destabilization of Collagen Matrix Hierarchical Structure by Freeze/Thaw Özçelikkale, Altuğ (2016-01-01) This study aims to characterize and understand the effects of freezing on collagen structures and functionality. Specifically, thermodynamic destabilization of collagen at molecular- and fibril-levels by combination of low temperatures and freezing were experimentally characterized using modulated differential scanning calorimetry. In order to delineate the effects of sub-zero temperature and water-ice phase change, we hypothesized that the extent of destabilization can be determined based on post-thaw heat...
Synthesis of camptothecin derivatives Duygu, Arife Neşe; Demir, Ayhan Sıtkı; Department of Chemistry (2005) This study presents synthetic studies on camptothecin, a potent antitumor agent in order to improve its stability and solubility without reducing its activity. The study consists of the modification of camptothecin at 20-OH position a new strategy for the targeted and controlled release of the drug and modification at C-7 position to overcome the stability and solubility problems of the free drug. In the first part of the study, the 20-OH functional group of camptothecin was replaced with an unsymmetrical b...
Effects of drying on Atterberg limits of pyroclastic soils of Northern Turkey Huvaj Sarıhan, Nejan (2018-09-15) In this study, the effects of drying on Atterberg limits is investigated using 30 soil samples taken from 0.2 m to 4 m depths, from nine different landslide sites in pyroclastic deposits in Northern Turkey. Samples for Atterberg limits are prepared by (i) starting from in-situ moisture content without any drying, (ii) drying at 60 degrees C and (iii) drying at 110 degrees C. The range of liquid limit values is 35%-103% and plasticity index is 0%-37% when samples are prepared from their in-situ moisture cont...
Gas-kinetic methods for 3-d inviscid and viscous flow solutions on unstructured/hybrid grids Ilgaz, Murat; Tuncer, İsmail Hakkı; Department of Aerospace Engineering (2007) In this thesis, gas-kinetic methods for inviscid and viscous flow simulations are developed. Initially, the finite volume gas-kinetic methods are investigated for 1-D flows as a preliminary study and are discussed in detail from theoretical and numerical points of view. The preliminary results show that the gas-kinetic methods do not produce any unphysical flow phenomena. Especially the Gas-Kinetic BGK method, which takes into account the particle collisions, predicts compressible flows accurately. The Gas-...

Citation Formats

E. Uyeturk and N. Huvaj Sarıhan, “Drying Changes Consistency Limits,” 2019, Accessed: 00, 2020. [Online]. Available: https://hdl.handle.net/11511/39656.