Results 31 to 40 of about 27,602 (238)

Estimating unconfined compressive strength of foamed concrete using a fractal fragmentation model

open access: yesShuiwen dizhi gongcheng dizhi
Foamed concrete is widely used in construction to reduce structural and foundation loads, thereby improving energy efficiency and lowering construction costs due to its favorable properties.
Bo LIN, Chengjian SHAO, Yongfu XU
doaj   +1 more source

Strength and structure of Q3paleosol

open access: yesYantu gongcheng xuebao, 2021
Paleosol is an important part of loess stratum, but there are few researches on its mechanical properties.In order to study the strength and structure of paleosol, Q3paleosol in Xi'an is taken as the research object.Through the way of soil mechanics, the
WANG Li-qin 1, 2, WANG Zhi-qiang 2, XIN Fu 2, LI Kai-yu 2, LI Shuai 2, HU Xiang-yang 3
doaj   +1 more source

Market Research and Target Market Segmentation in City’s External and Internal Environment [PDF]

open access: yes, 2020
Marketing segmentation have to be massive enough to fulfil the financial necessity of the organization and its products. Segmentation can be picked primarily based on demographics, psychographic, behavioural or geographic place.
Bassey, Mbiatke Anthony   +2 more
core  

Diamondoids Under Pressure

open access: yesGeophysical Monograph Series, Page 341-349., 2020

This book is Open Access. A digital copy can be downloaded for free from Wiley Online Library.

Explores the behavior of carbon in minerals, melts, and fluids under extreme conditions

Carbon trapped in diamonds and carbonate-bearing rocks in subduction zones are examples of the continuing exchange of substantial carbon ...
Sulgiye Park, Yu Lin, Wendy L. Mao
wiley  

+1 more source

Experimental Study on the Flexural Performance of Geogrid-Reinforced Foamed Lightweight Soil

open access: yesBuildings
The flexural behavior of geogrid-reinforced foamed lightweight soil (GRFL soil) is investigated in this study using unconfined compressive and four-point bending tests.
Yinhe Li   +4 more
doaj   +1 more source

A recursive-faulting model of distributed damage in confined brittle materials [PDF]

open access: yes, 2006
We develop a model of distributed damage in brittle materials deforming in triaxial compression based on the explicit construction of special microstructures obtained by recursive faulting.
Conti, S., Ortiz, M., Pandolfi, A.
core   +2 more sources

Application of ANN in Construction: Comprehensive Study on Identifying Optimal Modifier and Dosage for Stabilizing Marine Clay of Qingdao Coastal Region of China

open access: yesJournal of Marine Science and Engineering
Nowadays, the use of new compound chemical stabilizers to treat marine clay has gained significant attention. However, the complex non-linear relationship between the influencing factors and the unconfined compressive strength of chemically treated ...
Qirui Bo   +5 more
doaj   +1 more source

Effect of Freeze-Thaw Cycles on the Mechanical Properties of Polyacrylamide- and Lignocellulose-Stabilized Clay in Tibet

open access: yesAdvances in Materials Science and Engineering, 2021
Laboratory freezing experiments were conducted to evaluate the effect of polyacrylamide (PAM) and lignocellulose on the mechanical properties and microstructural characteristics of Tibetan clay.
Haiping Shi   +5 more
doaj   +1 more source

Experimental Study on the Strength Characteristics of Loess Reinforced with Calcium-based Mixture, Chitosan and Sisal Fiber [PDF]

open access: yesE3S Web of Conferences
Loess has engineering characteristics such as loose structure, strong collapsibility, and rapid decrease in strength when exposed to water, which can easily cause environmental and engineering problems.
Lei Lei   +7 more
doaj   +1 more source

Analysis of the flowability of cohesive powders using Distinct Element Method [PDF]

open access: yes, 2005
Computer simulations using Distinct Element Method (DEM) have been carried out to investigate the effect of cohesion on the flowability of polydisperse particulate systems. For this purpose, two assemblies with different values of surface energy and made
Antony, SJ   +2 more
core   +1 more source

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