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This study investigated the effects of polypropylene fibre (PF) reinforcement on the mechanical behaviour of clay soil. Using clay soil and polypropylene fibres from China's Inner Mongolia and Hebei Provinces, respectively, a series of soil samples with 0%, 1.5%, 2.25%, and 3% PF content by soil weight were subjected to compaction, shear strength, consolidation, California bearing ratio, and ...
ABSTRACT Research on concrete made with hemp is part of a sustainable development policy in the building field. The very low apparent density of the hemp hurds confers to lime and hemp concrete lightness and low thermal conductivity, however compared to usual construction materials, it has low mechanical strength. The presence of fibres in the hemp, the optimization of the granular to binder ...
commercial soda-lime-silica glass composition are investigated. As well as measuring mechanical properties, Raman, infra-red and nuclear magnetic resonance (29Si NMR) spectroscopies have been used to gain insight into the structural basis for the measured variations in the mechanical properties .
and mechanical properties for five limestone rocks collected from different parts of the country were studied. And an attempt has been made to see the variation in the me-chanical properties of the selected limestone under different watery environment. This has been done by studying the effect of degree of saturation on the mechanical proper-
This paper investigates the mechanical properties and permeability of chemically corroded rock during deep underground tunneling. Nuclear magnetic resonance tests are carried out to quantify the chemical damage of limestone samples at the microscopic scale. Coupled hydrostatic pressure-unloading tests at different unloading rates are also conducted on these chemically corroded limestone ...
Oct 01, 2014· 2.1. Lime. In our study, white air-slaked lime (CL90) Čertovy schody, Czech Republic, of a great purity (98.98% of CaO + MgO) was used. The chemical composition is summarized in Table 1 and the grading curve is plotted in Fig. 1.The most frequent particle diameter found in lime was 15 μm, diameter at 50% was equal to 13 μm and diameter at 90% to 38 μm.
Determination of mechanical properties of normal strength limestone concrete after exposure to elevated temperatures. Urška Dolinar 1, Gregor Trtnik 1,2 and Tomaž Hozjan 1. Published under licence by IOP Publishing Ltd Journal of Physics: Conference Series, Volume 1107, Issue 3
Industrial glass - Industrial glass - Properties of glass: At ordinary temperatures, glass is a nearly perfect elastic solid, an excellent thermal and electrical insulator, and very resistant to many corrosive media. (Its optical properties, however, vary greatly, depending on the light wavelengths employed.) The more or less random order of atoms is ultimately responsible for many of the ...
Mechanical and hygric properties of natural hydraulic lime (NHL) mortars with additives Marwa Aly1, Sara Pavia2 1, 2 Dep. of Civil, Structural and Environmental Engineering, Trinity College Dublin, Dublin, Ireland ABSTRACT: Currently, hydraulic limes are used .
(2018). Long-term mechanical performance of marine sediments solidified with cement, lime, and fly ash. Marine Georesources & Geotechnology: Vol. 36, Land Reclamation and Ways of Enhancing Soft Sediment for Building, pp. 123-130.
The production of a high performance concrete (HPC) has expanded the scope use of concrete exposed to aggressive environments, thanks to the limited porosity, the durability, the rheological, physical and mechanical properties with the respect remarkable to a conventional concrete. The objective of this study is to develop a HPC incorporating finely ground limestone.
The mechanical properties of lime–fly ash-stabilized macadam fabricated via VVCM were studied; the principal findings can be summarized as follows: (1) The ratios of the mechanical strengths of the laboratory-VVCM-fabricated LFASMs and on-site cores were above 90%, and the ratios of the mechanical strengths of the laboratory-QSCM-compacted ...
Based on the engineering background in the Jianghuai undulating plain area, this study aims to explore the variation laws of expansive potential, mechanical properties, microstructure, and mineral composition of expansive soil stabilized by fly ash and lime and then to assess the stabilizing effect.
Keywords: concrete, fire resistance, limestone, quartzite, granite, mechanical properties. 1. Introduction Concrete is the most widely used construction material in the world because of its durability, strength, and resistance to fire. Structural concrete must satisfy the fire safety requirements identified in building codes (EN 1992;ACI 2014).
Limestone is also subject to mechanical weathering, especially in dry climates, by the abrasive action of wind carrying rock fragments and other debris. This combination of chemical and mechanical weathering makes limestone very vulnerable to deterioration when exposed to the atmosphere.
May 17, 2020· The mechanical strength slightly decreased with the addition of oil to lime mortar but increased when added to lime-metakaolin. The mortar composed of lime, metakaolin and oil .
Limestone is a type of common industrial natural stone. It has the highest tensile strength and the lowest thermal conductivity among natural stone materials. The graph bars on the material properties cards below compare limestone to other natural stone materials (top) and the entire database (bottom).
with limestone masonry. The work was carried out in order to make a structural assessment of a gothic construction built in the center of Paris in the 13th century (Old Refectory of the Saint-Martin des Champs priory – 1230) (Fig. 1). The structural analysis of this monument required the mechanical properties of the limestone masonry to be known.
8 Mechanical Properties of Lime and Liquid Mixtures from the Idaho SH67 Project ... the mechanical properties, and improve resistance to fatigue and rutting, has led to observed improvements in the field performance of lime-treated HMA pavements. Life cycle cost analyses have
"Mechanical Properties of Thebes Limestone Treated by Nano Filler Particles." American Journal of Mechanical Engineering, vol. 7, no. 3 (2019): 138-145. doi: 10.12691/ajme-7-3-4. 1. Introduction . Since pharaonictimes local Thebes limestone has been used in Luxor monuments constructions. Weathering
mechanical properties of these blended mortars is noticeable. This kind of study should analyze the influence of several important factors, such as the dosage of cement or the B/Ag (binder/aggregate) ratio. This paper aims to add to the experimental data on the mechanical behavior of lime-cement mortars in the full range of compositions (from
MINERALOGICAL, PHYSICAL AND MECHANICAL PROPERTIES OF LIMESTONE ROCKS IN MA'AN AREA, SOUTH JORDAN Khalid Tarawneh, Salah Al-Thyabat,, Mohammad Al-Harahsheh Al Hussein Bin Talal University, Faculty of Mining and Environmental Engineering, P.O. Box 20, Ma'an, Jordan; khtarrawneh1@yahoo, [email protected] ABSTRACT.
mechanical additives that are not able to alter the chemical properties of the soil, but they are able to reinforce the natural properties of the parent soil. This technique is more cost effective. Chemical processes such as mixing with cement, fly ash, lime, lime byproducts and blends of any one
Soils treated with Lime/cement are used extensively in numerous applications such as the working plat-form, road sub-base and base materials. Various parameters affect the mechanical characteristics of treated soils such as amount of stabilizing agents, initial water content, grain size, particles' size distribution, curing time, and etc. Thus, numerous studies have been performed recently to ...
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