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ITS » Master Theses » Geoteknik S2
Posted by aprill@is.its.ac.id at 30/10/2015 15:33:05  •  2069 Views


STUDI UNDRAINED SHEAR STRENGTH DENGAN ALAT DIRECT SHEAR TEST DAN TRIAXIAL UU UNCONSOLIDATED UNDRAINED PADA TANAH LANAU DI MOJOKERTO YANG MENGALAMI TEGANGAN AIR PORI NEGATIF

STUDY OF UNDRAINED SHEAR STRENGTH USING DIRECT SHEAR TEST DAN UU TRIAXIAL TEST IN SILT SOIL FROM MOJOKERTO WHICH HAD NEGATIVE PORE PRESSURE

Author :
WICAKSONO, LUTHFI AMRI ( 3111 201 004 )




ABSTRAK

Kekuatan geser tanah adalah aspek yang sangat berpengaruh dalam bidang geoteknik. Pengujian Undrained Shear Strength dengan menggunakan alat Uji Geser Langsung menunjukkan hasil dengan nilai kuat geser yang tinggi. Maka diperlukan suatu konfirmasi nilai-nilai kuat geser yang mendekati kenyataan dalam pengujian tanah lanau tidak jenuh. Dalam penelitian ini akan dilakukan pengujian tanah lanau dengan alat Uji Geser Langsung dan Uji Triaksial Uncosolidated Undrained. Tanah lanau yang digunakan diambil di desa Manting Mojokerto. Variasi kadar air akan diberikan sebelum percobaan dilakukan untuk mendapatkan nilai parameter mekanik dengan kadar air yang berbeda. Proses pembasahan dilakukan untuk kondisi kadar air lebih besar dari kadar air awal dan proses pengeringan untuk kadar air dibawah kadar air awal. Hasil pengujian dengan Uji Geser langsung memberikan nilai kekuatan geser yang lebih besar dibanding dengan pengujian dengan Uji Triaksial UU dengan kisaran perbedaan antara 115 hingga 339. Maka dari itu mungkin perlu dipertimbangkan kembali penggunaan alat Uji Geser Langsung untuk pengujian tanah lanau atau dominan lanau unsaturated.


ABSTRACT

Shear strength of the soil is a very influential aspect in geotechnical. Undrained Shear Strength Testing by using Direct Shear Test show results with high shear strength. Therefore need a confirmation shear strength values are close to reality in unsaturated test of silty soil. In this research will be done Direct Shear Test and Unconsolidated Undrained Triaxial Test to silt soil. Silt soil used was taken in Manting village Mojokerto. Variation of water content will be given prior to the experiment carried out to obtain the mechanical parameter values with different water content. Wetting process is done to water content is greater than the initial moisture content and drying to moisture content below the initial water content. Results of Direct Shear Test provide shear strength values greater than UU Triaxial Test with the range of difference between 115 to 339. Thus it may need to be reconsidered use of Direct Shear Test for soil testing of unsaturated silt or silty soil.



KeywordsTanah lanau; Tidak jenuh; Uji Geser Langsung; Uji Triaksial; Kekuatan geser; Undrained; Tegangan air pori negatif
 
Subject:  Mekanika tanah; Kekuatan geser tanah
Contributor
  1. Prof. Dr. Ir Indarto, DEA
Date Create: 30/10/2015
Type: Text
Format: pdf
Language: Indonesian
Identifier: ITS-Master-31103150001504
Collection ID: 31103150001504
Call Number: RTS 624.151 36 Wic s


Source
Master Theses of Civil Engineering, RTS 624.151 36 Wic s, 2015

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Copyright @2015 by ITS Library. This publication is protected by copyright and per obtained from the ITS Library prior to any prohibited reproduction, storage in a re transmission in any form or by any means, electronic, mechanical, photocopying, reco For information regarding permission(s), write to ITS Library




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  1.  ITS-Master-39296-3111201004-abstract_id.pdf - 196 KB
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  3.  ITS-Master-39296-3111201004-conclusion.pdf - 447 KB




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