Keywords: Fondation ; Mur de soutenement ; Pieux ; Capacite portante ; Ancrage ; Dimensionnement Reference Record created on 2004-09-07, modified on 2016-08-08

KUMAGAI GUMI Co., Ltd. – Mr. K. Fujikawa, N. Abe, S. Nishi, T. Yazawa, N. Ikoma, A.M.C. Atapattu, W.A.S. Sarojini.

/pdf/evaluation-of-cone-factor-for-sri-lankan-soft-soils-case-314xm5m1dr.pdf

Foundation analysis and design

EVALUATION OF CONE FACTOR FOR SRI LANKAN SOFT SOILS Case Study of Southern Transport Development Project in Sri Lanka

Foundations for Concrete Structures

Perencanaan dan pelaksanaan suatu pondasi tiang pancang pada lahan gambut untuk bangunandengan beban yang lebih besar memerlukan data tanah seperti data CPT, SPT, PDA, Log bordan Pile driving formula atau data yang lainnya. Data-data ini dengan formulanyamenghasilkan nilai daya dukung yang berbeda-beda, maka diperlukan evaluasi untukmembandingkan nilai daya dukung ijin (Qall) yang dihasilkan. Membandingkan nilai dayadukung ijin tiang pancang (Qall), dari data daya dukung ujung tiang (Qp) dan daya dukunggesekan kulit tiang (Qs) pada lokasi pengujian Pasar Cik Puan Pekanbaru. Daya dukung ijinrata-rata dari uji CPT 36,27 ton, dari uji SPT 33, 29 ton, dari uji PDA 33,15 ton, dari uji logbor 46,3 ton dan dari uji pile driving formula dengan data kalendring 46,5 ton. Hal inimenunjukkan bahwa nilai daya dukung ijin rata-rata dari uji CPT, SPT, PDA, log bor dan piledriving formula variatif dan tidak dapat menjadi data cross-check. Nilai daya dukung ijin tiangpancang dapat di-cross check dari data CPT, SPT dan PDA atau dari data Kalendering danLog Bor karena perbedaan nilai daya dukung ijinnya tidak signifikan. Kata kunci: CPT, SPT, PDA, Log bor, Pile driving formula, Daya Dukung, Tiang Pancang.

/pdf/kajian-nilai-banding-daya-dukung-tiang-pancang-dari-data-uji-37186vk4cx.pdf

Kajian nilai banding daya dukung tiang pancang dari data uji cpt, spt, pda, log bor dan pile driving formula di lahan gambut pekanbaru

Abstract—The present study considers the effect of variation of different geotechnical random variables in the design of stone column-foundation systems for assessing the bearing capacity and consolidation settlement of highly compressible soil. The soil and stone column properties, spacing, diameter and arrangement of stone columns are considered as the random variables. Probability of failure (Pf) is computed for a target degree of consolidation and a target safe load by Monte Carlo Simulation (MCS). The study shows that the variation in coefficient of radial consolidation (cr) and cohesion of soil (cs) are two most important factors influencing Pf. If the coefficient of variation (COV) of cr exceeds 20%, Pf exceeds 0.001, which is unsafe following the guidelines of US Army Corps of Engineers. The bearing capacity also exceeds its safe value for COV of cs > 30%. It is also observed that as the spacing between the stone column increases, the probability of reaching a target degree of consolidation decreases. Accordingly, design guidelines, considering both consolidation and bearing capacity of improved ground, are proposed for different spacing and diameter of stone columns and geotechnical random variables.

Foundation analysis and design

Citations

EVALUATION OF CONE FACTOR FOR SRI LANKAN SOFT SOILS Case Study of Southern Transport Development Project in Sri Lanka

Foundations for Concrete Structures

Kajian nilai banding daya dukung tiang pancang dari data uji cpt, spt, pda, log bor dan pile driving formula di lahan gambut pekanbaru

Reliability Based Performance Evaluation of Stone Column Improved Soft Ground

Risk Management in Deep Excavation

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