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Evaluation of adding crushed glass to different combinations of cement-stabilized sand
Springer Science and Business Media LLC - Tập 8 - Trang 1-12 - 2017
Sina Salamatpoor, Siavash Salamatpoor
One of the methods that can stabilize clean sand type (SP) is blending the waste crushed glass and cement with these sands. In this paper, the laboratory tests are conducted on combination of clean sand, crushed glass, and cement in different condition for soil stabilization. Blends were stabilized by cement with 3, 5 and 10 weight percent of specimens. Different compounds of crushed glass used in...... hiện toàn bộ
Mesh-free kinematic shakedown analysis of cohesive soils
Springer Science and Business Media LLC - - 2024
Z. Nosrati, S. M. Binesh
A novel mesh-free solution is proposed for kinematic shakedown analysis of cohesive soils under repeating loads. For this purpose, the continuous velocity field in the mathematical expression of Koiter’s theorem is discretized by the Radial Point Interpolation Method (RPIM), as a mesh-free approach. The strain rate smoothing technique is implemented in conjunction with the RPIM to satisfy the admi...... hiện toàn bộ
The effect of clay content on the relation between uniaxial compressive strength and needle penetration index for clay-bearing rocks
Springer Science and Business Media LLC - - 2021
S. Kahraman, A. Sercan Aloglu, Egemen Saygin, Bilal Aydin
AbstractThe needle penetration index (NPI) test is a non-destructive test that is applicable both in the field and laboratory, and does not require any special sample preparation. This test has been used for the estimation of physico-mechanical properties of soft rocks. In this study, the influence of the clay content on the relation between uniaxial compressive st...... hiện toàn bộ
Effect of triaxial specimen size on engineering design and analysis
Springer Science and Business Media LLC - Tập 6 - Trang 1-17 - 2015
Tarek Omar, Abouzar Sadrekarimi
Triaxial tests are often used to determine the behavior and strength characteristics of soils. Specimen size can have a significant impact on the measured shear strength. Accordingly, the selected parameters affect the related geotechnical engineering analysis and design. We tested three different specimen sizes of loose Ottawa sand in triaxial compression tests. The measured shear strength and fr...... hiện toàn bộ
Phân tích dựa trên thí nghiệm và mô hình số về các cột cát nổi trong đất sét Dịch bởi AI
Springer Science and Business Media LLC - Tập 10 - Trang 1-16 - 2019
S. Naseer, M. Sarfraz Faiz, S. Iqbal, S. M. Jamil
Việc đưa các cột cát vào trong đất sét sẽ tăng cường khả năng chịu tải của đất, tăng tốc độ lún, ngăn chặn hiện tượng chảy lỏng trong các loại đất cát lỏng lẻo và cung cấp kháng cự bên chống lại sự chuyển động ngang. Nghiên cứu này nhằm điều tra tác động của các cột nổi trong đất sét có trầm tích bùn thông qua việc phát triển các mô hình thí nghiệm quy mô nhỏ trong phòng thí nghiệm. Tác động của c...... hiện toàn bộ
#cột cát nổi #khả năng chịu tải #đất sét #mô hình phòng thí nghiệm #phân tích phần tử hữu hạn
Microstructural interpretation of effective stress equations for unsaturated sands
Springer Science and Business Media LLC - - 2023
B. J. Shwan
It was fairly accepted to interpret soil behaviour at the microstructural level by utilising the effective degree of saturation instead of the total degree of saturation in the effective stress equation for unsaturated fine-grained soils. However, this interpretation for pure sands was under-represented in the literature. On the basis of shear strength evolution with suction, this paper reports a ...... hiện toàn bộ
Evaluation of hydraulic conductivity of subsoil using electrical resistivity and ground penetrating radar data: example from Southwestern Nigeria
Springer Science and Business Media LLC - Tập 7 - Trang 1-26 - 2016
A. O. Salako, A. A. Adepelumi
Groundwater seepage has being linked to the cause of building failures in Erinle area, Ede metropolis, SW Nigeria. A comparative study of the hydraulic conductivity (K) of first two subsoil or subsurface layers underlying the area of investigation was carried out using data acquired from ground penetrating radar (GPR) and electrical resistivity (ER) surveys. Ground penetrating radar (GPR) and elec...... hiện toàn bộ
Stabilization of expansive black cotton soil using bioenzymes produced by ureolytic bacteria
Springer Science and Business Media LLC - Tập 13 - Trang 1-22 - 2022
Eshetu Mekonnen, Yared Amdie, Habtamu Etefa, Nurelign Tefera, Mesfin Tafesse
Soil stabilization is the art and science of improving the engineering properties of soils. The properties of problematic soils can be improved by blending appropriate amount of insitu soil, aggregates and bioenzymes. In the present study, four bacterial strains: Sporosarcina pasteurii, Bacillus paramycoides, Citrobacter sedlakii, and Enterobacter bugadensis were used to produce bioenzymes using u...... hiện toàn bộ
Analysis and prediction of brittle failure in rock blocks having a circular tunnel under uniaxial compression using acoustic Emission technique: laboratory testing and numerical simulation
Springer Science and Business Media LLC - Tập 12 Số 1 - 2021
Ratan Das, Ranbir Dhounchak, T. N. Singh
AbstractIn this research, the failure mechanism and anomalous behavior of intact and jointed rock block having a circular tunnel under compression are studied. This was done by monitoring the progressive failure of a rock tunnel subjected to uniaxial loading. The tests were conducted in sandstone blocks and “Acoustic Emission” (AE) techni...... hiện toàn bộ
Effect of eccentric loads on the behavior of circular footing with/without skirts resting on sand soil
Springer Science and Business Media LLC - Tập 14 - Trang 1-22 - 2023
Ali M. Basha, Esraa A. Eldisouky
The stability of circular footings under eccentric vertical loads is a significant problem in geotechnical engineering. Therefore, this paper shows the results of experimental tests carried out on an eccentrically loaded circular foundation on sand soil. The focus of this research is on examining how eccentric loads affect the behavior of circular footings on sand soil, both with and without skirt...... hiện toàn bộ
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