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17221
Consolidation Attributes and Deformation Response of Soft Clay Reinforced with Vertical Scoria Drains under Road Embankment
Published 2023-01-01“…With increase in the diameter of the drain, the consolidation rate increases, whereas the consolidation rate is inversely related to increase in drain spacing. For the drain installed at a spacing of 2 m, a diameter of 0.4 m, and a length of 8 m any arbitrary settlement magnitude is achieved 25 days earlier than the case without drains. …”
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17222
Wind Tunnel Tests of Wind-Induced Snow Distribution for Cubes with Holes
Published 2019-01-01“…Furthermore, the effects of different hole locations (respectant position, opposite position, and dislocation) and relative spacing (50 mm, 100 mm, and 150 mm) on the surfaces of two cubes and the snow distribution around them were investigated. …”
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17223
Permeability Enhancement of Coal Seam by Lower Protective Layer Mining for Gas Outburst Prevention
Published 2020-01-01“…The permeability enhancement coefficient of equivalent layer spacing was first put forward. Based on the three-zone-shaped dynamic evolution of the permeability of the overlying protective layer during the lower protective layer mining, the theories of seepage mechanics and damage mechanics were applied to introduce the permeability enhancement coefficient of equivalent layer spacing. …”
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17224
Characteristics of Flow Field around Double Rectangular Piersin Tandem Based on RNG k-ε Turbulence Model
Published 2022-01-01“…Double rectangular piers in tandem have been widely used in bridge engineering,and the distance between the two piers has a significant impact on the characteristics of the flow field around them.This paper utilized the Fluent software to simulate the unsteady instantaneous flow field around a single rectangular pier and double rectangular piers in tandem by using the RNG k-ε turbulence model.The distribution characteristics of the flow field around the double rectangular piers in tandem at different distances (L/W=2,4,6) between the two piers were studied from the aspects of vorticity,streamline,pressure and transverse velocity.The results show that compared with that of the single rectangular pier,the fluid flow around the double rectangular piers in tandem is more complex and has wider lateral distributions of wake vortex and streamline bending zone.The generation,separation and reattachment of the shear layer of the two piers are affected by pier spacing.When L/W≥4,vortices are generated and fall off in the wake at the upstream pier.In such a case,the streamline bending zone,pressure increase zone and pressure decrease zone are formed between the two piers,and multiple pressure decrease zones are formed in the wake at the downstream pier.The transverse velocity of wakes at rectangular piers fluctuates between positive and negative.Compared with the single and symmetrical velocity waveform of the single pier,the transverse velocity waveform of the double rectangular piers is no longer symmetrically distributed.The peak transverse velocity between the two piers decreases with the increase in pier spacing,and the fluctuating peak values on both sides of the two piers are higher than those of the single pier.The fluctuating peak values are lower at a farther distance from the pier centerline.The research results can provide a reference for pier layout in bridge engineering.…”
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17225
Analyzing Structural and Physical Changes and the Future of Tehran’s Urban Fringe (The Case: The Fringe of District 22 of Tehran Municipality)
Published 2024-12-01“…Then, constructed settlements, parks, and green spaces as well as recreational, military, research-educational lands and roads, were established here. …”
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17226
Comparison of Environmental Impacts of Two Alternative Stabilization Techniques on Expansive Soil Slopes
Published 2019-01-01“…The sensitivity analyses were carried out, including the lime content for LST, the reinforcement spacing for GRT, the embankment height, delivery distance, and treatment width for both techniques. …”
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17227
Influence of Fiber Orientation on Impact Resistance Behavior of Woven Sisal Fiber Reinforced Polyester Composite
Published 2021-01-01“…But the average impact strength of a 40 wt% fiber 30°/60° WSFRPC of test specimen with consecutive warp and weft tow spacing of 2 mm was 241.33 J/m.…”
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17228
Settlement Analysis of Pipe Culvert Situated in Soft Clay Treated with Prefabricated Vertical Drains
Published 2022-01-01“…It can also be inferred that granular fill thickness and wick drain spacing were the key parameters impacting the settlement of the culvert structure.…”
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17229
Indoor Air Pollution of Outdoor Origin: Mitigation Using Portable Air Cleaners in Singapore Office Building
Published 2022-07-01“…PAC has a higher in-situ effectiveness in small compared to larger spaces and the effectiveness is logarithmically dependent on the number of units deployed. …”
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17230
Sosyal Medyada Simülasyon Pazarlamasının Göstergeleri: Facebook Uygulamalarına Yönelik Göstergebilimsel Analiz
Published 2021-10-01“…Facebook tarafından uygulanan “Horizon, Spark AR Sturio ve Spaces programları ile kullanıcılara neler aktardığı göstergelerin anlamlandırılmasına odaklandığı için Barthes’in göstergebilim modelinden yararlanılarak değerlendirilmiştir. …”
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17231
Estimation of stability of lifting equipment during excavation of pits in cramped conditions
Published 2024-02-01“…Among other things, we analyzed the usage of PAG slabs, as well as construction of the top tier of the spacing system with the use of 1.5 × 1.5 m inventory slabs.Conclusions. …”
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17232
Research on Optimal Design of Pressure Relief Blasting Parameters of Middle Rock Pillar in Near Vertical Coal Seam
Published 2022-01-01“…Through 9 groups of orthogonal tests, the optimal combination of the three indexes is 6 kg charge, 150 mm hole diameter and 10 m hole row spacing. The practical engineering application results of the combination are tested by downhole transient electromagnetic detection (TEM), and it is found that the pressure relief effect is obvious. …”
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17233
Numerical simulation analysis of effect of borehole gas extraction under fluid‐structure interaction
Published 2024-11-01“…Compared with four different conditions, after 180 days of extraction the coal gas pressure decreased by 75.3% within reasonable hole spacing. At the same time, in multi‐hole pumping, the influence area of adjacent borehole is larger than that of single‐hole pumping, and the spacing of borehole should be less than twice the radius of pumping.…”
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17234
Results of 2003 Early, Mid and Full Season, and Roundup Ready Cotton Variety Tests in Florida
Published 2004-05-01“… Cotton was planted with a cone planter at the seeding rate of 85 seeds/20 ft of row with 36” row spacing on 5 May, 2003 after strip tilling into tilled small grain cover crops. …”
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17235
La traversée des cols alpins : analyse d’une poétique de la liminalité
Published 2016-12-01“…Thus, poetics is here conceived as the very material the mountains are made of and it defines them as spaces in movement.…”
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17236
Défis et responsabilités suite à la déclaration de la diète méditerranéenne comme patrimoine culturel immatériel de l’humanité (Unesco)
Published 2013-01-01“…It was much more than that, because it was related to techniques, practices, habits, ideas, values and food spaces. The Mediterranean diet was threatened and its safeguard was urgent. …”
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17237
Norm inflation for the derivative nonlinear Schrödinger equation
Published 2024-12-01“…More precisely, by using a ternary-quinary tree expansion of the Duhamel formula we prove norm inflation in Sobolev spaces below the (scaling) critical regularity for the gauged DNLS. …”
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17238
L’attachement aux lieux dans les conflits liés à l’environnement sur le littoral : une ressource pour leur régulation
Published 2017-05-01“…Our research shows that place attachment can be revealed by an hypersensitivity of individuals or groups and the intensity of their reactions, the structuring of collectives, violence of acts of opposition, signs in the public spaces, the use of possessive adjectives in stakeholders arguments. …”
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17239
A Fixed Point Technique for Set-Valued Contractions with Supportive Applications
Published 2021-01-01“…In this manuscript, exciting fixed point results for a pair of multivalued mappings justifying rational Gupta-Saxena type Ω-contractions in the setting of extended b-metric-like spaces are established. The theoretical results have also been strengthened by some nontrivial examples. …”
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17240
Mappings and Connectedness on Hesitant Fuzzy Soft Multispaces
Published 2020-01-01“…In addition, the concept of hesitant fuzzy soft multiconnected spaces is introduced.…”
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