An Instructor’s Solutions Manual to Accompany
PRINCIPLES OF GEOTECHNICAL
ENGINEERING, 8TH EDITION
BRAJA M. DAS & KHALED SOBHAN
,© 2014, 2010 Cengage Learning ISBN-13: 978-1-133-11089-7
ISBN-10: 1-133-11089-4
ALL RIGHTS RESERVED. No part of this work covered by the
copyright herein may be reproduced, transmitted, stored, or Cengage Learning
used in any form or by any means graphic, electronic, or 200 First Stamford Place, Suite 400
mechanical, including but not limited to photocopying, Stamford, CT 06902
recording, scanning, digitizing, taping, Web distribution, USA
information networks, or information storage and retrieval
systems, except as permitted under Section 107 or 108 of the Cengage Learning is a leading provider of customized
1976 United States Copyright Act, without the prior written learning solutions with office locations around the globe,
permission of the publisher except as may be permitted by the including Singapore, the United Kingdom, Australia,
license terms below. Mexico, Brazil, and Japan. Locate your local office at:
international.cengage.com/region.
Cengage Learning products are represented in
For product information and technology assistance, contact us at Canada by Nelson Education, Ltd.
Cengage Learning Academic Resource Center,
1-800-423-0563. For your course and learning solutions, visit
www.cengage.com/engineering.
For permission to use material from this text or product, submit
all requests online at www.cengage.com/permissions.
Purchase any of our products at your local college
Further permissions questions can be emailed to
. store or at our preferred online store
www.cengagebrain.com.
NOTE: UNDER NO CIRCUMSTANCES MAY THIS MATERIAL OR ANY PORTION THEREOF BE SOLD, LICENSED, AUCTIONED,
OR OTHERWISE REDISTRIBUTED EXCEPT AS MAY BE PERMITTED BY THE LICENSE TERMS HEREIN.
READ IMPORTANT LICENSE INFORMATION
Dear Professor or Other Supplement Recipient: posted electronically as described herein. Any material posted
electronically must be through a password-protected site, with all
Cengage Learning has provided you with this product (the copy and download functionality disabled, and accessible solely by
“Supplement”) for your review and, to the extent that you adopt your students who have purchased the associated textbook for the
the associated textbook for use in connection with your course Course. You may not sell, license, auction, or otherwise redistribute
(the “Course”), you and your students who purchase the textbook the Supplement in any form. We ask that you take reasonable
may use the Supplement as described below. Cengage Learning steps to protect the Supplement from unauthorized use,
has established these use limitations in response to concerns reproduction, or distribution. Your use of the Supplement indicates
raised by authors, professors, and other users regarding the your acceptance of the conditions set forth in this Agreement. If you
pedagogical problems stemming from unlimited distribution of do not accept these conditions, you must return the Supplement
Supplements. unused within 30 days of receipt.
Cengage Learning hereby grants you a nontransferable license All rights (including without limitation, copyrights, patents, and trade
to use the Supplement in connection with the Course, subject to secrets) in the Supplement are and will remain the sole and exclusive
the following conditions. The Supplement is for your personal, property of Cengage Learning and/or its licensors. The Supplement
noncommercial use only and may not be reproduced, posted is furnished by Cengage Learning on an “as is” basis without any
electronically or distributed, except that portions of the warranties, express or implied. This Agreement will be governed by
Supplement may be provided to your students IN PRINT FORM and construed pursuant to the laws of the State ofNew York,
ONLY in connection with your instruction of the Course, so long without regard to such State’s conflict of law rules.
as such students are advised that they may not copy or distribute
any portion of the Supplement to any third party. Test banks and Thank you for your assistance in helping to safeguard the integrity
other testing materials may be made available in the classroom of the content contained in this Supplement. We trust you find the
and collected at the end of each class session, or Supplement a useful teaching tool.
Printed in the United States of America
1 2 3 4 5 6 7 16 15 14 13 12
,INSTRUCTOR’S SOLUTIONS MANUAL
TO ACCOMPANY
PRINCIPLES OF
GEOTECHNICAL
ENGINEERING
Eighth Edition, SI
BRAJA M. DAS
KHALED SOBHAN
, Contents
Chapter Page
2 ........................................................................................................................................... 1
3 ......................................................................................................................................... 11
4 ......................................................................................................................................... 19
5 ......................................................................................................................................... 25
6 ......................................................................................................................................... 31
7 ......................................................................................................................................... 41
8 ......................................................................................................................................... 51
9 ......................................................................................................................................... 57
10 ........................................................................................................................................ 69
11 ........................................................................................................................................ 83
12 ........................................................................................................................................ 99
13 ...................................................................................................................................... 109
14 ...................................................................................................................................... 121
15 ...................................................................................................................................... 127
16 ...................................................................................................................................... 141
17 ...................................................................................................................................... 153
PRINCIPLES OF GEOTECHNICAL
ENGINEERING, 8TH EDITION
BRAJA M. DAS & KHALED SOBHAN
,© 2014, 2010 Cengage Learning ISBN-13: 978-1-133-11089-7
ISBN-10: 1-133-11089-4
ALL RIGHTS RESERVED. No part of this work covered by the
copyright herein may be reproduced, transmitted, stored, or Cengage Learning
used in any form or by any means graphic, electronic, or 200 First Stamford Place, Suite 400
mechanical, including but not limited to photocopying, Stamford, CT 06902
recording, scanning, digitizing, taping, Web distribution, USA
information networks, or information storage and retrieval
systems, except as permitted under Section 107 or 108 of the Cengage Learning is a leading provider of customized
1976 United States Copyright Act, without the prior written learning solutions with office locations around the globe,
permission of the publisher except as may be permitted by the including Singapore, the United Kingdom, Australia,
license terms below. Mexico, Brazil, and Japan. Locate your local office at:
international.cengage.com/region.
Cengage Learning products are represented in
For product information and technology assistance, contact us at Canada by Nelson Education, Ltd.
Cengage Learning Academic Resource Center,
1-800-423-0563. For your course and learning solutions, visit
www.cengage.com/engineering.
For permission to use material from this text or product, submit
all requests online at www.cengage.com/permissions.
Purchase any of our products at your local college
Further permissions questions can be emailed to
. store or at our preferred online store
www.cengagebrain.com.
NOTE: UNDER NO CIRCUMSTANCES MAY THIS MATERIAL OR ANY PORTION THEREOF BE SOLD, LICENSED, AUCTIONED,
OR OTHERWISE REDISTRIBUTED EXCEPT AS MAY BE PERMITTED BY THE LICENSE TERMS HEREIN.
READ IMPORTANT LICENSE INFORMATION
Dear Professor or Other Supplement Recipient: posted electronically as described herein. Any material posted
electronically must be through a password-protected site, with all
Cengage Learning has provided you with this product (the copy and download functionality disabled, and accessible solely by
“Supplement”) for your review and, to the extent that you adopt your students who have purchased the associated textbook for the
the associated textbook for use in connection with your course Course. You may not sell, license, auction, or otherwise redistribute
(the “Course”), you and your students who purchase the textbook the Supplement in any form. We ask that you take reasonable
may use the Supplement as described below. Cengage Learning steps to protect the Supplement from unauthorized use,
has established these use limitations in response to concerns reproduction, or distribution. Your use of the Supplement indicates
raised by authors, professors, and other users regarding the your acceptance of the conditions set forth in this Agreement. If you
pedagogical problems stemming from unlimited distribution of do not accept these conditions, you must return the Supplement
Supplements. unused within 30 days of receipt.
Cengage Learning hereby grants you a nontransferable license All rights (including without limitation, copyrights, patents, and trade
to use the Supplement in connection with the Course, subject to secrets) in the Supplement are and will remain the sole and exclusive
the following conditions. The Supplement is for your personal, property of Cengage Learning and/or its licensors. The Supplement
noncommercial use only and may not be reproduced, posted is furnished by Cengage Learning on an “as is” basis without any
electronically or distributed, except that portions of the warranties, express or implied. This Agreement will be governed by
Supplement may be provided to your students IN PRINT FORM and construed pursuant to the laws of the State ofNew York,
ONLY in connection with your instruction of the Course, so long without regard to such State’s conflict of law rules.
as such students are advised that they may not copy or distribute
any portion of the Supplement to any third party. Test banks and Thank you for your assistance in helping to safeguard the integrity
other testing materials may be made available in the classroom of the content contained in this Supplement. We trust you find the
and collected at the end of each class session, or Supplement a useful teaching tool.
Printed in the United States of America
1 2 3 4 5 6 7 16 15 14 13 12
,INSTRUCTOR’S SOLUTIONS MANUAL
TO ACCOMPANY
PRINCIPLES OF
GEOTECHNICAL
ENGINEERING
Eighth Edition, SI
BRAJA M. DAS
KHALED SOBHAN
, Contents
Chapter Page
2 ........................................................................................................................................... 1
3 ......................................................................................................................................... 11
4 ......................................................................................................................................... 19
5 ......................................................................................................................................... 25
6 ......................................................................................................................................... 31
7 ......................................................................................................................................... 41
8 ......................................................................................................................................... 51
9 ......................................................................................................................................... 57
10 ........................................................................................................................................ 69
11 ........................................................................................................................................ 83
12 ........................................................................................................................................ 99
13 ...................................................................................................................................... 109
14 ...................................................................................................................................... 121
15 ...................................................................................................................................... 127
16 ...................................................................................................................................... 141
17 ...................................................................................................................................... 153