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A health-based life cycle impact assessment (LCIA) for cement ...
Life cycle impact assessment methodology was applied to the cement manufacturing sectors in China and Canada for comparative purposes. Primary air emissions of NO x, SO 2, PM, and CO were evaluated in terms of intensity per tonne of Portland cement and in respect of their contribution to winter smog.
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Environmental Impact Assessment Guidelines for Cement Manufacturing Plants
Environmental Impact Assessment (EIA) study for cement manufacturing plants. Each project should be carefully assessed to identify the key issues and an EIA to assess these, using these guidelines for assistance. The issues presented here are equally applicable in preparing a Compliance Action Plan (CAP). They will also
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Connecticut's Crumbling Concrete | FEMA.gov
Feb 11, 2021These other compounds are expansive - take up more space than the original iron sulfides - and ultimately lead to cracks or holes in the concrete. The cracks in the concrete foundations grow over time, putting the inhabitants of the homes and structures at risk. Reports of crumbling foundations first began in 2015.
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Environmental and Social Impacts of Cement Industries - LinkedIn
The cement industry produces about 5% of global man-made CO2 emissions, of which 50% is from the chemical process, and 40% from burning fuel. The amount of CO2 emitted by the cement industry is ...
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Impact Assessment of Ambient Air Quality by Cement Industry: A Case ...
ecosystem therein. Therefore, the objectives of this study are: to address air quality impact of cement industry in the Middle East and North Africa, to identify the possible impact of a proposed cement factory in Jordan Badia Located 120 km South-East of Amman; and to recommend appropriate mitigating measures, which could assist the company to
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Effect of Exposure to Cement Dust among the Workers: An Evaluation of ...
The cement dust or constituents of cement causes pathogenesis of various lung diseases including chronic bronchitis, asthma, lung cancer, pneumonia and tuberculosis.
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The Impact of Cash Management on The Profitability of Manufacturing ...
THE IMPACT OF CASH MANAGEMENT ON THE PROFITABILITY OF MANUFACTURING COMPANIES IN NIGERIA (A case study of Dangote cement Plc. Gboko), Free Undergraduate Project Topics, Research Materials, Education project topics, Economics project topics, computer science project topics, Hire a data analyst
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Cement - Wikipedia
A cement is a binder, a substance used for construction that sets, hardens, and adheres to other materials to bind them together. Cement is seldom used on its own, but rather to bind sand and gravel ( aggregate) together. Cement mixed with fine aggregate produces mortar for masonry, or with sand and gravel, produces concrete.
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Environmental and exergetic impacts of cement production: A case study ...
This study apprises the environmental impact of the clinker and Portland cement production in Iran, using life cycle impact assessment. Data used in the cement manufacture life cycle inventory are based on site surveys of energy consumption, raw material use, and transportation distances. Emissions were estimated based on U. S. EPA emission ...
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Impact of Corporate Governance on Performance of Firms: A Case Study of ...
Objectives of this Study 1. To examine the impact of CG on the Family and non-family own businesses in cement industry of Pakistan. 2. To show the impact of board size and CEO duality on performance of business of cement in Pakistan. 3. To view the true picture of Cement industry and corporate governance in Pakistan. 2. Literature Review
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Foreign Direct Investment in Cement Industry in Nepal - NRB
The study has also found that cement industries have benefitted the local residents in several aspects such as growth in employment and business opportunities, and increase in land prices. Cement industries have, however, also found to adversely affect the local people through creating environmental pollution.
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Study the impact of water quality on concrete properties
Sep 1, 2020It was observed that the concrete produced with saltwater had their compressive strengths gradually increased (21.64, 23.18 and 30.35) % of freshwater in (7, 14 and 28 days) respectively. In addition, the setting time is decreasing with increasing the content of TDS. The setting time of seawater decreases by about 23.07% of freshwater.
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A Study on Impact of Goods and Services Tax (GST) on Cement Industry in ...
Apr 27, 2021Non-availability of Input tax credit (ITC) in construction and real estate sector also a negative impact on the growth of and real estate and cement Industry. GST being a consumption-based tax, the entire tax burden is on end-users. Considering all the factors an attempt is made in this study to analyze the impact of GST on the Cement Industry.
WhatsApp:+8617329420102Battelle Scoping Study: Toward a Sustainable Cement Industry
The research phase of the Cement Sustainability Initiative draws to a close with the release of Battelle Memorial Institute's study, Toward a Sustainable Cement Industry. ... As well as identifying the global impact that the cement industry has on resource use, climate change and communities, the Battelle report also provides recommendations ...
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Study on Calcium Nitrate impact on Carbonation of Concrete - IGCMat
accelerated tests (182 days) have been conducted to study the impact of calcium nitrate on concrete made with different cement types. II. Methods and Materials The carbonation has been measured according to two methods: Accelerated tests according to [9]: Exposure of samples from day 28 on in 2% CO 2 atmosphere.
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Experimental Study on Mechanical Properties of Fly Ash ... - Hindawi
Sep 2, 2020Mohamed et al. [ 22] conducted a SHPB test and applied other methods to investigate the mechanical properties of concrete under high-volume fly ash with a strain rate ranging from 30.12 to 101.42 s −1, which led to the results indicating that the impact resistance of fly ash cement specimens was more desirable compared to pure cement.
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Study establishes lung health response to cement dust exposure
Long-term exposure to cement dust at levels that are comparable to the present occupational exposure limits could cause a decline in lung volumes, according to a new study. The research, published...
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Visualizing cement hydration on a molecular level | MIT News ...
Jun 7, 2021With a better understanding of cement chemistry, scientists could potentially "alter production or change ingredients so that concrete has less of an impact on emissions, or add ingredients that are capable of actively absorbing carbon dioxide," says Admir Masic, associate professor of civil and environmental engineering.
WhatsApp:+8617329420102The Impact of Corporate Social Responsibility - EA Journals
The study used cross section primary data from the level of executives of the corporations. Towards the achievement of its objectives this study uses descriptive statistical tools. The findings of the study revealed that practicing of CSR is playing pivotal role to pick up the brand image and reputation of the Pakistani Fertilizer & Cement
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Study of a Gamma Radiation Impact on Concrete Properties Under Severe ...
Oct 30, 2020This irradiation experiment can be understood as the first step in characterizing concrete degradation as gamma flux in biological shielding is significantly higher than that of neutron flux. In order to better understand the concrete properties and the behavior under irradiation, nondestructive as well as destructive testing methods were applied.
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Asbestos is leaching into drinking water, but health impact ... - Stuff
Apr 12, 2022New Zealand currently has 9000 kilometres of asbestos piping in need of replacement, at an estimated cost of $2.2 billion, the study says. Asbestos cement was used for water pipes worldwide from ...
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Aggregate Impact value Test Apparatus, Procedure and uses - Cement Concrete
The apparatus of the aggregate impact value test consists of: A testing machine weighing 45 to 60 kg and having a metal base with a plane lower surface of not less than 30 cm in diameter. Level and plane concrete floor of minimum 45 cm thickness are used to support it. The base of the machine should also have provisions for fixing its base.
WhatsApp:+8617329420102Roman Concrete Construction: Development & Uses - Study
Nov 7, 2021Uses of Concrete. As the Romans expanded their empire, they had a lot of things that they needed to build, from temples to forts to roads. Concrete made it possible to build so much without ...
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Concrete: the most destructive material on Earth
Feb 25, 2019Half of concrete's CO2 emissions are created during the manufacture of clinker, the most-energy intensive part of the cement-making process. But other environmental impacts are far less well...
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A systematic review on the impact of cement industries on the natural ...
Jan 17, 2022Impact of cement industries on natural ecosystem Cement plant exposure can have a negative influence on the health of both employees and the general public. Gaseous matter and particulate matter are unrestrained into the surroundings during cement making and carriage (Raffetti et al. 2019 ).
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Impact of autoclaved aerated concrete (AAC) on modern constructions: A ...
Impact of autoclaved aerated concrete (AAC) on modern constructions: A case study in the new Egyptian administrative capital Esraa Ahmed Khalil Follow this and additional works at: https://fount.aucegypt.edu/etds Recommended Citation APA Citation Khalil, E. (2020).Impact of autoclaved aerated concrete (AAC) on modern constructions: A case study in
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A Study on the Durability Impact of Concrete by Using Recycled Waste Water
The concrete mix proportion M 20 adopted is 1: 1.38: 3.09 (cement: sand: coarse aggregate) with water ce-ment ratio of 0.5, M 25 adopted is 1:1.31:2.94 (cement: sand: coarse aggregate) with a water cement ratio of 0.45 and M 30 adopted is 1:1.06:2.51 (cement: sand: coarse aggregate) with a water cement ratio of 0.39
WhatsApp:+8617329420102Experimental Study of the Impact of Drilling Fluid Contamination on the ...
flood experiments were conducted over 30-day periods at 14.48 mpa (2100 psi) confining pressure and temperature of 22 °c (72 °f) with cement-sandstone composite cores and brine at a flow rate of 1 ml/min. higher p h values were observed in the effluent brine from the 10% mud contaminated core than the 0% mud contaminated core due to increased .
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A Study on Recycled Concrete Aggregates
concrete as compared to recycled aggregate concrete as well as conventional concrete. Limbachiya.et.al. (2004), the report aimed at examining the performance of Portland Cement Concrete produced with natural and coarse aggregates. The study showed that beca use of attached cement paste in RCA, the density of these materials is about 3 -
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Cement - Wikipedia
A cement is a binder, a substance used for construction that sets, hardens, and adheres to other materials to bind them together. Cement is seldom used on its own, but rather to bind sand and gravel together.Cement mixed with fine aggregate produces mortar for masonry, or with sand and gravel, produces concrete.Concrete is the most widely used material in existence and is behind only water as ...
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Guidelines for Environmental Social Impact Assessment
& SOCIAL IMPACT ASSESSMENT Cement Sustainability Initiative (CSI) CONTENTS. 1 Introduction 8 2Context 10 2.1 An introduction to environmental and social impact assessment 11 ... 14 Guidelines for Environmental & Social Impact Assessment (ESIA) CASE STUDY 1 Synergies of an ESIA, from a traditional to an integrated approach
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Energy Absorption Characteristics of PVC Coarse Aggregate Concrete ...
May 12, 2021This study investigated the energy absorption characteristics and microstructure of PVC coarse aggregate concrete under impact load, and drew the following conclusions: (1) With the increase of PVC aggregate content, the compressive strength and splitting strength of concrete decrease sharply, while the elastic modulus and slump decrease slowly ...
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Cement and Concrete: The Environmental Impact — PSCI
Nov 3, 2020Cement is made by firing limestone, clay, and other materials in a kiln. CO2 is emitted from the energy used to fire the material, and the chemical reaction produced from the mixture when it is exposed to heat. According to the National Ready Mixed Concrete Association, each pound of concrete releases 0.93 pounds of carbon dioxide. Since ...
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Roman Concrete Study - Concrete Network
The study also revealed that Roman concrete contains tobermorite, a material with a highly organized and very strong structure of molecules. Researchers also found that the Roman process for creating concrete releases less carbon dioxide than today's method. Portland cement requires an extreme amount of heat to produce, while the Romans used ...
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Environmental impact of concrete - Wikipedia
The environmental impact of concrete, its manufacture and applications, are complex, driven in part by direct impacts of construction and infrastructure, as well as by CO 2 emissions; between 4-8% of total global CO 2 emissions come from concrete. Many depend on circumstances. A major component is cement, which has its own environmental and social impacts and contributes largely to those of ...
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(Doc) the Impact of Working Capital Management Policies on Firm ...
Call 08064034407 to get the full project. Or simoncy2k@gmail?? . 1.6 Scope of the Study Research into working capital management as the field of accounting is wide and encompassing. However, this study is limited and covers the working capital management policies of Dangote Cement Company Plc, Benue Plant.
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Impact of Cement Placement and Leakage in Osteoporotic Verte ... - LWW
Study Design: Retrospective study. Objectives: Assessment of the impact of cement placement and leakage in osteoporotic vertebral compression fractures (OVCFs) followed by percutaneous vertebroplasty (PVP) on patient pain relief and new vertebral fracture occurrence.Summary of Background Data:
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The impact of intravertebral cleft on cement leakage in ... - PubMed
Sep 18, 2021Background: The impact of intravertebral cleft (IVC) on cement leakage in percutaneous vertebroplasty (PVP) for osteoporotic vertebral compression fractures (OVCFs) has been discussed. However, the results were conflicting, as the study population and cement leakage classification were heterogeneous. The aim of the study was to evaluate the impact of IVC on the incidence of leakage through ...
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Penn study: Changing fuel for cement kilns could cut CO2 emissions. But ...
Jul 22, 2022With every pound of concrete produced with regular cement, 0.93 pounds of carbon dioxide are released into the atmosphere - practically a 1:1 ratio. The process of making cement is the reason ...
WhatsApp:+8617329420102Environmental Impact Study of Cement Factory using a Multi ... - IISTE
The study recommends that the factory introduce impact reduction and prevention programs. Such programs will improve the environmental quality of the surroundings and safeguard local inhabitants. Keywords : cement production, environmental impact analysis, impacts significant determination, environmental aspects, relative significance, Messebo ...
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