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ITS » Undergraduate Theses » Teknik Sipil
Posted by dewi007 at 03/06/2009 15:04:32  •  19977 Views


STUDI PERILAKU TIANG PANCANG KELOMPOK MENGGUNAKAN PROGRAM PLAXIS 3D FOUNDATION

STUDY OF BEHAVIOUR OF PILE GROUPS USING PLAXIS 3D FOUNDATION

Author :
Bayu Adi L.P. 




ABSTRAK

Konfigurasi tiang pancang yang pada umumnya digunakan adalah konfigurasi segiempat padahal tidak menutup kemungkinan bentuk konfigurasi yang lain seperti segitiga atau segilima dapat menghasilkan efisiensi yang lebih baik dalam menahan beban aksial dan lateral. Perhitungan efisiensi dan daya dukung untuk konfigurasi segi-empat sangatlah mudah untuk diselesaikan tetapi untuk bentuk konfigurasi yang lain perhitungan manualnya sangatlah susah. Ditambah lagi dengan adanya tanah yang berlapis-lapis menyebabkan reaksi tanah yang tidak linier. Oleh karena itu program bantu sangatlah dibutuhkan Dalam dunia Teknik Sipil khususnya geoteknik dikenal program perhitungan Soil and Rock Mechanics yaitu Plaxis 3D Foundation. Program ini tentunya sangat membantu dalam proses perhitungan settlement defleksi dan lainnya pada tiang pancang kelompok yang sangat rumit dan memerlukan proses iterasi yang sangat banyak. Pengerjaan Tugas Akhir ini bertujuan untuk mengetahui perilaku tiang pancang kelompok seperti settlement deformasi dan momen lentur maksimum akibat beban aksial dan lateral.Perilaku dapat diketahui melalui hasil perhitungan Plaxis 3D Foundation denga konfigurasi yang berbeda dengan variasi beban aksial dan lateral kedalaman pemancangan jenis tanah dan diamater tiang pancang. Berdasarkan analisa hasil perhitungan menggunakan program Plaxis 3D Foundation adalah bahwa bentuk yang direkomendasikan untuk menahan beban aksial adalah 3x1 2x2 5S dan 6K dengan jarak 4D sedangkan untuk beban lateral 3x1 4S 5S dan 6K dengan jarak 4D. Sedangkan untuk penambahan kedalaman sangat berpengaruh pada settlement dan penambahan jarak antar tiang sangat berpengaruh pada defleksi.


ABSTRACT

Commonly used pile group configuration is squareshaped configuration. Though it is not impossible for another shape like triangle or pentagon which is not commonly used could produce a better efficiency and low settlement in resisting an axial and lateral load. The calculation of efficiency and bearing capacity for square-shaped configuration can be done easily but for the other shape configuration it is hard to calculate it manually. In addition more than one-layered soil which is resulting a non-linear soil responds making the calcualtion harder. Hence a computer program is needed to solve the calculation. In Geotechnical Engineering there is a well-known software of Soil and Rock Mechanism called Plaxis 3D Foundation. This program is very helpfull in calculating settlement deflection and many more in the complex pile group models and iterations. The purpose of this final project is to know the behaviour of pile group i.e. settlement deformation and maximum bending moment due to axial and lateral load. The behaviour can be concluded through the output produced from Plaxis 3D Foundation with different pile group configuration with variable in axial and lateral loads piling depth soil type and diameter of the piles. Based on Plaxis 3D Foundation output analysis the recommended configurations for axial load are 3x1 2x1 5S and 6K with 4D pile spacing and for lateral load the recommended configurations are 3x1 4S 5S and 6K with 4D pile spacing. Then piling depth increment is giving more influence to settlement than deflection in the other hand pile spacing is giving more influence to deflection than settlement



KeywordsPlaxis 3D Foundation; tiang pancang kelompok; penambahan jarak antar tiang dan kedalaman tiang; settlement; deformasi horisontal; gaya dalam
 
Subject:  Fondasi ; Teknik Sipil
Contributor
  1. Ir. Suwarno M.Eng
    Musta’in Arif, ST., MT.
Date Create: 03/06/2009
Type: Text
Format: pdf.
Language: Indonesian
Identifier: ITS-Undergraduate-3100009034492
Collection ID: 3100009034492
Call Number: RSS 624.154 Bay s


Source
Undergraduate Theses of Civil Engineering, RSS 624.154 Bay s, 2009

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Copyright @2009 by ITS Library. This publication is protected by copyright and permission should be obtained from the ITS Library prior to any prohibited reproduction, storage in a retrievel system, or transmission in any form or by any means, electronic, mechanical, photocopying, recording, or likewise. For information regarding permission(s), write to ITS Library




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ITS-Undergraduate-3100009034492-4415.pdf




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