Results 181 to 190 of about 169,357 (237)

Large-scale experimental investigation of biotreated sand column using different grouting pipe configurations. [PDF]

PLoS One
Wang C, Wei Z, Shi J, He X.
europepmc   +1 more source

Non-canonical RNA substrates of Drosha lack many of the conserved features found in primary microRNA stem-loops. [PDF]

Sci Rep
Gu K, Mok L, Wakefield MJ, Chong MMW.
europepmc   +1 more source

Emergent actin flows explain distinct modes of gliding motility. [PDF]

Nat Phys
Hueschen CL, Segev-Zarko LA, Chen JH, LeGros MA, Larabell CA, Boothroyd JC, Phillips R, Dunn AR.   +7 more
europepmc   +1 more source

Tight-packing of large pilin subunits provides distinct structural and mechanical properties for the Myxococcus xanthus type IVa pilus. [PDF]

Proc Natl Acad Sci U S A
Treuner-Lange A, Zheng W, Viljoen A, Lindow S, Herfurth M, Dufrêne YF, Søgaard-Andersen L, Egelman EH.   +7 more
europepmc   +1 more source

Molecular architecture of glideosome and nuclear F-actin in Plasmodium falciparum. [PDF]

EMBO Rep
Pražák V, Vasishtan D, Grünewald K, Douglas RG, Ferreira JL.   +4 more
europepmc   +1 more source

Bio-inspired helical pantograph arms for aerodynamic noise suppression in high-speed trains. [PDF]

iScience
Lou F, Xiao X, Zhang Z, Zhang J, Li X.
europepmc   +1 more source

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Numerical study of single helical piles and helical pile groups under compressive loading in cohesive and cohesionless soils

Bulletin of Engineering Geology and the Environment, 2021
In recent years, the use of helical piles as a deep foundation option for structures has increased dramatically because they offer definite advantages over other solutions. The present study undertook a comprehensive investigation of the axial compressive behavior of helical piles in both sandy and clayey types of soil using finite element (FE ...
Mohammadreza Jahanshahi Nowkandeh, Askar Janalizadeh Choobbasti   +1 more
exaly   +2 more sources

Physical modelling of helical pile anchors

International Journal of Physical Modelling in Geotechnics, 2007
Helical piles design is based usually on empirical correlations between the uplift capacity and the torque resistance of the pile during installation. A simplified theoretical relationship to predict the uplift capacity of deep helical piles in sand from the installation torque was reported.
Tsuha, Chc, Aoki, N., Rault, Gérard, Thorel, Luc, Garnier, Jacques   +4 more
openaire   +3 more sources

Cyclic load behavior of helical pile-to-pile cap connections subjected to uplift loads

Engineering Structures, 2021
Abstract Although significant research has been conducted on helical piles, there is a lack of research and official design guidelines on how to create resilient helical pile-to-pile cap connections, especially in tall and light structures where tensile uplift loads may govern the foundation design.
Serhan Guner
exaly   +2 more sources