Small-strain dynamic properties of sands are commonly estimated through the correlations basically developed by the experimental results of isotropically Some physical properties of the siliceous-carbonate sand used in this research are presented in Table 1. Shape descriptors, including roundness and Small-strain dynamic properties of siliceous-carbonate sand
A comparison between the strain-dependent dynamic properties of the calcareous and siliceous sands reveals that the Previous studies reported that the static and dynamic characteristics of calcareous sand were distinct from those of siliceous sand due to two particular Comparative study on cyclic behavior of marine calcareous sand
A comparison between the strain-dependent dynamic properties of the calcareous and siliceous sands reveals that the calcareous sand has a higher secant shear modulus, Context 1 specific gravity is 2.82, and the maximum and minimum void ratios are 1.45 and 0.81, respectively. Compared with other calcareous sand (Table 1), the calcareous sand Properties of the calcareous sand and other calcareous and siliceous
developed based on the laboratory data of siliceous sands. This comparative study reveals that the previous models predict the dynamic properties of the Dynamic properties of calcareous and siliceous sands under isotropic and anisotropic stress conditions Semantic Scholar. DOI: 10.1016/J.SANDF.2017.11.010. Dynamic properties of calcareous and siliceous sands under
J. Mar. Sci. Eng. 2021, 9, 1014 3 of 11 J. Mar. Sci. Eng. 2021, 9, x FOR PEER REVIEW 3 of 12 Table 1. Properties of the calcareous sand and other calcareous For content of siliceous sand >10%, the evolution of physical properties is not relevant between 850 and 1150 °C, implying incipient sintering evolution. This behaviour is determined by the relative large amount of quartz acting as an inert or refractory component and the abundance of coarse particles.Incorporation of siliceous sand and lignite tailings from
The tested soil is classified as poorly graded sand (SP) according to the USCS (ASTM D2487).Maximum void ratio, minimum void ratio, and specific gravity of the sand were measured according to ASTM D4253, ASTM D4254, and ASTM D854, respectively.Some physical properties of the siliceous-carbonate sand used in this Semantic Scholar extracted view of "Comparative study on cyclic behavior of marine calcareous sand and terrigenous siliceous sand for transportation infrastructure applications" by Z. Ding et al. In this paper shear behavior of two calcareous sands having different physical properties are investigated using drained and undrained triaxialComparative study on cyclic behavior of marine calcareous sand
This study focuses on dynamic properties of calcareous sand in comparison with a database compiled from the dynamic properties of siliceous sand. Evaluation of shear stiffness and damping ratio of the Bushehr calcareous sand was performed by measuring shear wave velocity and free decaying vibration in the resonant Dynamic properties of calcareous and siliceous sands under isotropic and anisotropic stress conditions. Soils Found (2018) M. Hyodo et al. In this study, drained monotonic and high-cycle triaxial tests were conducted on calcareous sand and siliceous sand. Results show that the stress–dilatancy behavior of calcareous sand under high Post-cyclic volumetric strain of calcareous sand using hollow
2.1 Test Material and Apparatus. The calcareous sand used in this study was obtained from the South China Sea, and their particle shapes are very irregular and angular. Its representative particle shapes, initial grain-size distribution curve and physical properties are shown in Fig. 1(a). The apparatus used in the simple shear tests was the Shear stiffness and damping ratio of two marine calcareous and siliceous sands were evaluated through an experimental program. Resonant column and cyclic triaxial experiments were conducted to measure the dynamic properties of the sands in small and large shear strain amplitudes. The tests were conducted under various initial stress Dynamic shear stiffness and damping ratio of marine
the irrigation canals and embankment. The results indicated that increase in the plasticity properties of the treated soil also decrease the permeability and infiltration. Moreover, the dry density of 2.08t/m3 was obtained from sand and 20% 6th of October mixture, also the CBR of 31.20% were obtained from sand and 8% 6th of October mixture.Table 2. physical properties of siliceous and calcareous sand and natural coarse aggregates. Properties S-sand C-sand NCA 5/15 NCA 15/25 los angeles abrasion (%) – 21.98 21.98The influence of sand nature on the residual physical
Physico-chemical characteristics of different silica sands from Houéyogbé municipality were evaluated. Samples were characterized by different techniques, such as granulometry, ICP-OES, X-ray diffraction (XRD), FT-IR analysis, Optical microscopy, and Thermogravimetric/ Differential Thermal Analyses confirmed that these sands contain a J. Mar. Sci. Eng. 2021, 9, 1014 3 of 11 J. Mar. Sci. Eng. 2021, 9, x FOR PEER REVIEW 3 of 12 Table 1. Properties of the calcareous sand and other calcareous and siliceous sands.Cyclic Behavior of Calcareous Sand from the South China
DOI: 10.1016/J.SANDF.2017.11.010 Corpus ID: 135324181; Dynamic properties of calcareous and siliceous sands under isotropic and anisotropic stress conditions @article{Jafarian2018DynamicPO, title={Dynamic properties of calcareous and siliceous sands under isotropic and anisotropic stress conditions}, author={Yaser Jafarian Here, the material is described as “a fine-grained species of siliceous sand-stone” (Vol. 1, p.149). An 1877 essay by Nevil Maskelyne [ 10 ] is the first to include a thin-section sketch of a sarsen, cut from stone Petrological and geochemical characterisation of
The investigations presented in this paper include: (1) experimental study on shear modulus (G) and damping ratio (D) of Bushehr siliceous-carbonate sand under various stress-density states, (2To make calcium silicate bricks, silica sand is mixed with high calcium lime at a sand–lime ratio of 10 or 20. The mix is then compressed into moulds and “autoclaved” at about 170°C (340°F) for several hours. Some gel, similar to the calcium silicate hydrate gel of the type that is formed by cement, is formed, and this bonds the sand particles Silica Sand an overview ScienceDirect Topics
Long-term behaviour and degradation of calcareous sand under cyclic loading, Engineering Geology, 276, 105756. Article Google Scholar Jafarian, Y., Javdanian, H. and Haddad, A., 2018. Dynamic properties of calcareous and siliceous sands under isotropic and anisotropic stress conditions, Soils and Foundations, 58(1), 172–184.A comparison between the strain-dependent dynamic properties of the calcareous and siliceous sands reveals that the calcareous sand has a higher secant shear modulus, lower damping ratio, and(PDF) Dynamic properties of calcareous and siliceous sands
The siliceous sand used in this study is also classified as poorly graded (SP) according to the Unified Soil Classification System with the grain sizes varying between 4 and 0.07 mm. The percentage of fines passing sieve number 200 is less than 2.6%. The grain size distributions of both the calcareous and siliceous sands are shown in Fig. 3.In a similar study, Li et al. (2014) also proposed a more robust CPT-based p-y model for siliceous sand, based on six lateral load tests performed on open-ended steel pipe piles. Park et al. (2017(PDF) Evaluation of CPT-based P–y models for laterally
Four grades of colloidal NS (1–15 wt.%) were synthesized for grouting medium-dense sub-angular fine siliceous sand specimens. Consolidated-undrained triaxial compression testing was performed on the base and treated sand for isotropic consolidation over the effective stress range 100–400 kPa. The undrained mechanical properties of NS
