...-aachen.de) deformation laboratory tests sand–clay mixture temperature effects C clay content (%) C c coefficient of curvature C c compression index C_u coefficient of uniformity D specimen diameter...

... a test with soil. When shear displacement is larger than 1 mm, shear stress is always small (0·75 ± 0·5 kPa) under different temperatures and air pressure conditions. 18 12 2022 15 12 2023 © 2025 Emerald Publishing Limited 2025 suction temperature effects unsaturated soils...

... concept. The test results show that λ α * is only slightly dependent on temperature. 14 12 2023 10 12 2024 © 2025 Emerald Publishing Limited 2025 Emerald Publishing Limited Licensed re-use rights only isotaches organic soils temperature effects viscosity...

... for low-plasticity soils. Fig. 4. Test path for KSS tests B1, B2 and B3 Fig. 5. Test path for tests C1, C2 and C3 energy geotechnics laboratory testing temperature effects The requirement to reduce carbon dioxide (CO_{2) emissions and rely on sustainable}...

... Ltd 2023 clays ground freezing strength & testing of materials temperature effects tensile properties Recent underground projects involve complex excavation processes at greater depths reaching 40–50 m more commonly than ever, often adjacent to existing substructures and/or under...

... testing & monitoring long-term tunnel performance rainfall effect seasonal change temperature effects tunnels & tunnelling wireless sensor network After construction, underground tunnels are influenced by various internal and external factors over their lifetime. These factors...

... deformation remaining after one heating–cooling cycle. Specifically, irrespective of the stress level, relative density or particle shape, no thermal collapse is observed, challenging the actual occurrence of such a phenomenon in sands. deformation sands temperature effects Table 1. Summary...

... creep ground freezing shear strength temperature effects The ground freezing technique has been used for over 150 years in engineering applications to temporarily increase the stiffness and strength of the subsoil and to provide watertightness under the groundwater table (Dash et al...

... the test. A load cell was employed to measure the pile head load. On the opposite end of the box, a stainless steel draw-wire potentiometer was used to measure the pile head lateral displacement. centrifuge modelling finite-element modelling piles temperature effects A thermo-active pile...

... freezing temperature effects Fig. 5. P-wave velocity-based UWS estimate: (a) P-wave velocity; (b) S_w plotted against T Frozen saturated soils generally consist of solid minerals, ice and water. This poses a question: what is a good effective stress measure...

... during maintained thermal loading, after Gawecka et al. (2017) 15 07 2020 08 02 2021 © 2021 Thomas Telford Ltd 2021 field instrumentation full-scale tests piles & piling temperature effects Figure 5 shows profiles of change in temperature, axial...

... 08 2019 02 07 2020 © 2020 Thomas Telford Ltd 2020 laboratory tests monitoring seepage temperature effects Seepage can significantly influence the stability of rock and soil masses. Many accidents in geotechnical engineering projects are induced by seepage (Yin et...

... changes. clays deformation fabric/structure of soils ground freezing laboratory tests temperature effects Fig. 3. Newly developed miniature cyclic freeze–thaw test apparatus: (a) schematic illustration (for clarity, pneumatic and electric lines are not fully drawn); (b) as installed...

... the FE mesh was assumed to be 19·5°C, which is the ground temperature measured in the Lambeth College test (Bourne-Webb et al., 2009) carried out at another London site with similar ground conditions. ground movements numerical modelling soil/structure interaction temperature effects...

... consolidation creep full-scale tests piles & piling settlement temperature effects Most full-scale thermal pile load tests reported (e.g. Brandl, 2006 ; Laloui et al., 2006 ; Bourne-Webb et al., 2009 ; McCartney & Murphy, 2012 ; Park et al., 2013 ; Akrouch...

... of heating-induced cracks can be influenced by solid particle size (Shao et al., 2014 ; Zhang et al., 2018). permeability rock mechanics temperature effects where μ, S and h, respectively, denote the gas viscosity, cross-section and height...

... phenomena as the multi-stage pressure dependency of the frozen strength, originally noted by Chamberlain and co-workers in 1972, are shown to be described generally well for clays and sands. ground freezing shear strength temperature effects Frozen soils have many favourable engineering...

... testing penetrometers temperature effects Heat flow through soil, and resulting temperatures, are important for ground source heat systems (also called shallow geothermal), for high-power electricity cables, where heat dissipation is advantageous, and for pipelines which carry high-viscosity...

... Telford Ltd 2018 clays consolidation ground freezing permeability silts temperature effects Freeze–thaw cycles are seasonal natural processes occurring in the shallow soils in northern regions, but in some geotechnical applications they could be artificially induced in the ground...

... Telford Ltd 2018 laboratory tests strain temperature effects Soil fabric refers to the arrangement of soil particles (Mitchell & Soga, 2005) and significantly influences the volume change behaviour of soil. Most of the previous studies about the effects of soil fabric on the volume...