Results 1 to 10 of about 3,354,348 (302)

A long-term strength of constructive materials [PDF]

open access: yesMATEC Web of Conferences, 2018
A long-term strength materials under an axially loading of constructive elements is considered and the estimates of this strength are reduced. The proposed approach is connected with the notion so-called energy of entirety [1].
Larionov Evgeny
doaj   +2 more sources

Long-term strength of frozen saline soils

open access: yesMagazine of Civil Engineering, 2022
There are many experimental methods for determining the strength of frozen soils. However, the experimental period is always much shorter than the period of infrastructure facilities operation on permafrost.
Kotov Pavel, Stanilovskaya Julia
doaj   +2 more sources

Differences in quadriceps but not hamstrings strength in runners with varying durations of patellofemoral pain [PDF]

open access: yesFrontiers in Sports and Active Living
BackgroundPatellofemoral pain (PFP) is a common injury among runners. The quadriceps and hamstrings strength in patients with different durations of PFP is still unclear. The purpose of this study is to evaluate the isokinetic strength characteristics of
Mianchuan He   +4 more
doaj   +2 more sources

Long Term Strength and Durability of Clayey Soil Stabilized With Lime [PDF]

open access: yesEngineering and Technology Journal, 2011
This study deals with durability characteristics and unconfined compressive strength of clayey soil stabilized with lime. The tests comprises of unconfined compressive strength for samples stabilized with the optimum lime percent (4%), and subjected to ...
Abdulrahman H. Al-Zubaydi   +2 more
doaj   +1 more source

Long-term strength and porosity of mortars based on ettringite binder

open access: yesMagazine of Civil Engineering, 2023
Ettringite binder is widely used in mortars for technical applications such as patching mortars, self-leveling screeds, repair mortars thanks to their fast hardening ability and high early strength.
Nguyen Ngoc Lam   +2 more
doaj   +1 more source

Discussion on Determination Method of Long-Term Strength of Rock Salt

open access: yesEnergies, 2020
Due to the extremely low permeability and the excellent creep behavior, rock salt is the optimal surrounding rock of underground energy storage. The long-term safe operation of the rock salt energy storage is closely related to the creep behavior and ...
Guosheng Ding   +4 more
doaj   +1 more source

Experimental investigation of influencing factors on the long-term strength of sliding zones of the Loess-Hipparion laterite landslide

open access: yesShuiwen dizhi gongcheng dizhi, 2022
The Hipparion laterite with strong creep characteristics and obvious strength attenuation after deformation is widely distributed in northwest China.
Yanbo ZHU   +5 more
doaj   +1 more source

Assessment of mortar evolution in pig slurry by mechanical and ultrasonic measurements [PDF]

open access: yes, 2010
This work presents the results obtained in a long-term experiment focused on the study of the evolution of cementitious materials immersed in pig slurry at real conditions.
González Hernández, Margarita   +3 more
core   +2 more sources

The influence of fibre length and concentration on the properties of glass fibre reinforced polypropylene: 5. Injection moulded long and short fibre PP [PDF]

open access: yes, 2002
We present results of a step by step comparison of the mechanical performance of injection moulded 'long' (LF-PP) and 'short' (SF-PP) previous termglass fibre-polypropylenenext term compounds.
Thomason, J.L.
core   +1 more source

An innovative micromechanics-based three-dimensional long-term strength criterion for fracture assessment of rock materials [PDF]

open access: yesFracture and Structural Integrity, 2018
Rocks may exhibit time-dependent behaviors. Long-term strength criterion significantly dominates creep failure of rocks. Rocks contain many microcracks, which lead to degrade of long-term strength.
Xiaoping Zhou   +2 more
doaj   +3 more sources

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