Results 1 to 10 of about 89,149 (182)

Stabilisation of peat with colloidal nano and micro silica [PDF]

open access: yesMires and Peat, 2022
Peat occurs abundantly in wetlands across Iran, particularly around the disappearing Urmia Lake. Conventional chemical stabilisation has been widely used to tackle the high compressibility and shrinkage potential of peat. Whilst effective, this generally
Soheil Ghadr, Arya Assadi-Langroudi
doaj   +1 more source

Microscopic characterization and strength characteristics of cemented backfill under different humidity curing conditions [PDF]

open access: yesRoyal Society Open Science, 2019
Under different exploitive conditions, the humidity levels of the backfill stopes are not the same. Humidity greatly affects the strength and microscopic characterization of the backfill. Cemented paste backfill (CPB) specimens were cured using 0, 30, 70%
Jianhua HU   +5 more
doaj   +1 more source

Effect of Nano Additive on Mechanical Properties of Natural Fiber Reinforced Soil

open access: yesJournal of Natural Fibers, 2023
Organic soil is a poor bearing medium and is susceptible to uncharacteristic volume change and settlement behavior. Geotechnical design of substructures in organic soil is often of high economic value to account for its weak geotechnical properties ...
Govindarajan Kannan   +1 more
doaj   +1 more source

Design Optimization and Application of Hybrid Bit to Reduce a Well Cost in Geothermal Field

open access: yesJournal of Earth Energy Engineering, 2020
Hybrid bit is one of the innovations developed for very hard and abrasive formations such as in geothermal field. This bit eliminates the risk of losing cones, reduces tripping time, and increaseas ROP to reduce the well cost.
Muhammad Taufiq Fathaddin   +2 more
doaj   +1 more source

Utilization of Waste Wheat Straw Fibers for Improving the Strength Characteristics of Clay

open access: yesJournal of Natural Fibers, 2021
This paper presents the evaluation of engineering properties of Dhanauri clay reinforced with wheat straw fibers. A series of experiments were conducted to find the index and strength properties that is unconfined compressive strength and California ...
Sunil Kumar Meena   +2 more
doaj   +1 more source

Petrographic and Physiomechanical Investigation of Late Cretaceous Kawagarh Formation Kahi Section, Nizampur Basin

open access: yesInternational Journal of Economic and Environment Geology, 2022
The late Cretaceous Kawagarh Formation has been investigated in terms of field observation, and petrographic analysis, to understand the petrography and its impact on the geotechnical properties.
Mukhtar S Ahmad   +3 more
doaj   +1 more source

An Experimental Study on Stabilization of Expansive Soil Using Steel Slag and Crushed Limestone

open access: yesSulaimani Journal for Engineering Sciences, 2020
This study is carried out to evaluate the effect of steel slag (SS) as a by-product and crushed limestone (CRL) as additives on the geotechnical properties of expansive soil.
Zozk Kawa Abdalqadir   +1 more
doaj   +1 more source

Characteristics and risk factors of UCS fracture subtypes in periprosthetic fractures around the hip: results from the National Periprosthetic Fracture study

open access: yesBone & Joint Open, 2023
Aims: Periprosthetic fractures (PPFs) following hip arthroplasty are complex injuries. This study evaluates patient demographic characteristics, management, outcomes, and risk factors associated with PPF subtypes over a decade.
Ahmed A. H. H. Nasser   +7 more
doaj   +1 more source

An adaptive neuro fuzzy inference system to model the uniaxial compressive strength of cemented hydraulic backfill [PDF]

open access: yes, 2018
Purpose. The purpose of this paper is to develop the models for predicting the uniaxial compressive strength (UCS) of cemented hydraulic backfill (CHB), a widely used technique for filling underground voids created by mining operations as it provides ...
Basarir, H   +4 more
core   +1 more source

Effects of elevated temperature on physical and mechanical properties of carbonate rocks in South-Southern Nigeria [PDF]

open access: yes, 2018
Purpose. Limestone and marble are carbonate rocks with several structural and engineering applications. The physical and mechanical properties of the rocks are fundamental as they determine their suitability for various use.
Idris, M.A.
core   +1 more source

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