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Environmental impacts and decarbonization strategies in the

2020年9月22日 The environmental impact of cement and concrete production is low per unit volume of material, but the amounts used make the impact of the concrete sector highly

How does concrete and cement industry transformation

2022年11月1日 Cement and concrete are among the major manufactured materials used, and their environmental impact is constantly under debate. As their use increases, concrete and

Cement - IEA - International Energy Agency

In the Net Zero Emissions by 2050 scenario, global cement production stays relatively flat to 2030. Adopting material efficiency strategies to optimise the use of cement can help reduce demand along the entire construction value chain,

Climate and health damages from global concrete production

2020年3月23日 Here, we show worldwide concrete production contributes approximately 7.8% of nitrogen oxide emissions, 4.8% of sulfur oxide emissions, 5.2% of particulate matter

Cementing your lead in the green transition McKinsey

2023年10月6日 Globally, cement accounts for about 7 percent of total greenhouse-gas (GHG) emissions, one of the largest sectoral carbon footprints on the planet. 1 Our research suggests that global cement production volumes

Achieving net zero greenhouse gas emissions in the

2021年10月22日 While critical to many aspects of the built environment, the high levels of demand for cement currently results in more than 7% of anthropogenic greenhouse gas (GHG) emissions. 8 The majority of the CO 2

Deep decarbonisation of industry: The cement sector - Europa

Cement is the binding agent of concrete, the most widely used construction material in the world. The cement sector is a major greenhouse gas emitter, responsible for about 7% of CO 2

How circularity can increase profits in cement and concrete

2023年1月11日 1. Recirculation of CO2. CO2 emissions from cement and concrete processes can be reinserted into the value chain.

The circular cement value chain: Sustainable and

2023年3月6日 With a growing number of industries and sectors moving toward net-zero emissions, a significant amount of value is at stake in cement. General EU Emissions Trading System (ETS) carbon prices have reached nearly €100

Environmental Impacts of Cement Production: A Statistical Analysis

2020年11月19日 The attention to environmental impacts of cement production has grown fast in recent decades. The cement industry is a significant greenhouse gases emitter mainly due to the calcinations of raw ...

Impact of Mixing Methods and Cement Dosage on Unconfined

2022年3月22日 Cement stabilized macadam (CSM) has been widely used as the asphalt pavement base in all kinds of roads and expressways in China, owing to its high mechanical performance, anti-erosion property, and crack resistance (Sha, 2008; Zheng et al., 2018).As a major bearing layer of pavement structures, the unconfined compressive strength (UCS) value

What is the fineness of the cement? - BricknBolt

2024年8月20日 The weight of the cement molecules that are larger than 90 microns is determined. The total percentage of retained cement particles is then calculated. In general, the fineness value should be less than 10% for the construction cement. W2 represents the weight of the cement that passes through the sieve with a particle size of 90 microns.

The Environmental Profile of Clinker, Cement, and Concrete: A Life ...

2022年1月28日 Concrete is the most-used material in the construction industry, and the second most-used after water. Cement is the main component of concrete. A total of 8% of global CO2 emissions correspond to the cement industry; CO2 is the main greenhouse gas contributing to global warming. To mitigate climate change, it is necessary to design buildings with a lower

Investigation of Impact Resistance of High-Strength Portland Cement

2022年10月14日 Impact resistance of Portland cement concrete (PCC) is an essential property in various applications of PCC, such as industrial floors, hydraulic structures, and explosion-proof structures.

IS 2386-4 (1963): Methods of test for aggregates for concrete, Part

IS : 2386 (Part IV) ‘- 1963 2.2 Apparatus - The apparatus for the standard test shall consist of following : a) A 15-cm diameter open-ended steel cylinder, with plunger and base-plate, of the general form and dimensions shown in Fig. 1.

Impact of Financial Leverage on Value of Firms: Evidence from Cement

The purpose of this paper is to investigate the effect of financial leverage on firm’s value in cement sector of Pakistan. By selecting the appropriate panel econometric technique between fixed effects and random effects, the association between financial leverage and firm’s value of all cement companies listed on the Karachi Stock Exchange ...

PREDICTION OF AGGREGATE IMPACT VALUES AND AGGREGATE

Portland and asphalt cement concrete mixes. ... In the Aggregate impact value test, a small portion of coarse aggregates having a size range between 10 to 12.5 mm, is ...

(PDF) The influence of cement fineness on the structural ...

2019年11月13日 This research presents the influence of cement fineness on the structural characteristics of normal concrete. The cement was divided into different fineness zones (150 µm – 7 5µm, 75 µm ...

A comprehensive review of drop weight impact testing: Evaluating

2024年10月1日 Previous researchers have utilized various test methodologies to assess the impact strength of concrete, including a pendulum impact [16], Split Hopkinson pressure bar [17], and drop weight impact [18].The drop-weight test seems to be the most widely used, practical, and cost-effective approach among the numerous test methods [19].Fig. 1 depicts the drop

EFFECT OF MIXING WATER pH ON CONCRETE - ResearchGate

2020年2月7日 The impact of initial pH on ... findings revealed that shrinkage was interdependent on concrete composition and the result exhibited a higher shrinkage value for concrete with higher cement ...

Impact of Financial Leverage on Cost of Capital and

2009年7月1日 This study examines the empirical effects of corporate capital structure (financial leverage) on cost of capital and the market value of selected firms of Indian Cement Industry for the period ...

Fineness of Cement: Definition, Importance, and How to Test It

The following table provides a comprehensive overview of the value and significance of cement fineness. Sr.No. Weight of Cement Sample: Weight Cement Sample Retained on 90µm Sieve: Fineness of Cement: 1 : 100 gm 4.65 4.65 % 2 100 gm 8.25 8.25 % 3

The impact of corporate governance on the cost of equity:

This study also helps to mitigate the impact of inertia, the after-effects of high demand, and managing the agency problem in the cement sector.,This is the first study using CG data collected just after the revised promulgation of CG codes in 2012, along with a wide range of eight proxies measuring CG and its impact on the COE in the cement sector.

Impact of Financial Leverage on Value of Firms: Evidence from Cement

True Value Approach Ambuja Cement

Ambuja Cement believes its True Value approach can bring about a paradigm shift in the way Indian and global companies, ... Understand how the key elements of a company's social and environmental impact the company's future. Step 3 - Strategic Response. Find the most cost-effective way to increase our True Value.

IS 9377 (1979): Specification for apparatus for aggregate impact value

IS I 9377 - 1979 Indian Standard SPECIFICATION FOR APPARATUS FOR AGGREGATE IMPACT VALUE 0. FOREWORD 0.1 This Indian Standard was adopted by the Indian Standards Institution on 20 December 1979, after the draft finalized by the Cement and Concrete Sectional Committee had been approved by

Aggregate Impact Value Test Procedure as per IS 2386 Part-4

2020年3月30日 Aggregate Impact Test. Read definition, apparatus, IS code, procedure, observations, formula, result and lab report about aggregate impact value test.