Results 41 to 50 of about 48,524 (285)

Optimal Location of Exit Doors for Efficient Evacuation of Crowds at Gathering Places [PDF]

open access: yes, 2022
This work deals with the optimal design for the location of the exit doors at meeting places (such as sports centers, public squares, street markets, transport stations, etc.) to guarantee a safer emergency evacuation in events of a sporting, social ...
Néstor García-Chan   +9 more
core   +1 more source

Seepage Analysis and the Reservoir Water Pollution Potential under Vertical Dam Structure Planning

open access: yesJournal of the Civil Engineering Forum, 2023
A prospective resolution to the intricate predicaments of flooding, sanitation, and the availability of unprocessed water for the populace of Jakarta residents is the implementation of the coastal reservoir paradigm. This paradigm entails harnessing the
Dinar C. Istiyanto   +7 more
doaj   +1 more source

THE EFFECT OF CUTOFF WALL ANGLE ON SEEPAGE UNDER DAMS

open access: yesJournal of Engineering, 2011
Flow of water under concrete dams generates uplift pressure under the dam, which may cause the dam to function improperly, in addition to the exit gradient that may cause piping if exceeded a safe value.
Zainal, Abdul Kareem Esmat
doaj   +1 more source

Influence of Skewed Anisotropy upon Exit Gradients

open access: yesEngineering and Technology Journal, 2012
The generalization of DARCY’s law in 2.diemnsions has led to equations which describe permeability of the soil as a symmetric tensor of second rank (1, 2). In seepage problems it is common to define the GLOBAL coordinate axis to coincide with the principal directions of the permeability tensor, therefore, the cross product (off – diagonal) components ...
openaire   +2 more sources

Results for the anchor block push force at the tunnel exit when the tunnel gradient varies.

open access: yes, 2016
Results for the anchor block push force at the tunnel exit when the tunnel gradient varies.
Yifei Yan (2560048)   +2 more
core   +1 more source

Periodic measures, transitions and exit times of stochastic differential equations [PDF]

open access: yes, 2020
Periodic measures are the time-periodic counterpart to invariant measures for dynamical systems that can characterise the long-term periodic behaviour of stochastic dynamical systems.
Johnny Zhong (1253250)
core   +1 more source

thermally driven valley exit

open access: yes, 2021
Thermally-driven circulations are typical phenomena characterizing mountain valleys in conditions of clear sky and mild synoptic influence. In particular, diurnal upvalley winds alternate with nocturnal downvalley winds, which typically accelerate while ...
Cisco, Lucia
core   +1 more source

Structural instability impairs function of the UDP‐xylose synthase 1 Ile181Asn variant associated with short‐stature genetic syndrome in humans

open access: yesFEBS Letters, EarlyView.
The Ile181Asn variant of human UDP‐xylose synthase (hUXS1), associated with a short‐stature genetic syndrome, has previously been reported as inactive. Our findings demonstrate that Ile181Asn‐hUXS1 retains catalytic activity similar to the wild‐type but exhibits reduced stability, a looser oligomeric state, and an increased tendency to precipitate ...
Tuo Li   +2 more
wiley   +1 more source

Impact of inclined double-cutoff walls under hydraulic structures on uplift forces, seepage discharge and exit hydraulic gradient

open access: yes, 2021
In hydraulic structures design, using cutoff walls is essential to reduce and control the resultant uplift force (U), seepage discharge (Q), and exit hydraulic gradient (i).
J Abraham (8298045)   +4 more
core  

Analytical Solution for the Steady Seepage Field of a Foundation Pit in an Anisotropic Layer

open access: yesBuildings
The soil piping and drift sand phenomenon is one of the catastrophic failure forms in foundation pit excavations in coastal buildings. Presently, there is a deficiency in the theoretical research regarding the seepage fields around foundation pits ...
Yulin Zeng   +3 more
doaj   +1 more source

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