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Article
Publication date: 14 September 2011

P. Kolay and M. Aminur

This paper presents physical and geotechnical characteristics of unstabilized (original) and stabilized peat soil samples from Sarawak, Malaysia. Peat soil is heterogeneous, with…

Abstract

This paper presents physical and geotechnical characteristics of unstabilized (original) and stabilized peat soil samples from Sarawak, Malaysia. Peat soil is heterogeneous, with high compressibility, high water content, low specific gravity and has medium to low permeability. As a result, evaluation of physical and geotechnical properties are very important for any types of construction on it. Different physical and geotechnical properties e.g. organic content, loss on ignition, liquid limit, specific gravity, fiber content, compaction and Unconfined Compressive Strength (UCS) tests have been carried out on peat soil sample. Locally available fly ash (FA) from coal fired thermal power plant and commercially available quick lime (QL) were used as stabilizers. The amount of FA and QL added to the peat soil sample, is 5 to 25% and 2 to 8%; respectively, for curing periods of 7 to 120 days. The standard Proctor compaction test and UCS test were carried out on original and stabilized peat soil samples with the above mentioned percentages of stabilizer and results show that the UCS value increases significantly with the increase of FA and QL percentage and also with curing periods. But, with 15 to 20 % FA and 6 % QL added with peat soil, the UCS values slightly decreases up to 28 days and again increases after 120 days curing periods. Furthermore, liquid limit and specific gravity tests have been carried out with only for the FA stabilized peat soil samples, in order to comprehend their stabilized behavior.

Details

World Journal of Engineering, vol. 8 no. 3
Type: Research Article
ISSN: 1708-5284

Keywords

Book part
Publication date: 31 December 2010

Tawhidul Islam, M. Aminur Rahman and Fuad Mallick

Living with physical hazards is an everyday issue for the people of Bangladesh because different seasons bring different kinds of uncertainties. Sometimes traditional knowledge…

Abstract

Living with physical hazards is an everyday issue for the people of Bangladesh because different seasons bring different kinds of uncertainties. Sometimes traditional knowledge and practices (Alam, 2007) help them to adjust to these conditions; in some occasions, these hazards turn into catastrophic disasters causing deaths and bringing unbearable damages in different sectors. In addition to the tangible damages incurred due to hazards, in most of the cases, these hazards injure the internal social organizations at different levels (for example, household, community, and institutional) and affect their assets. Thus, the community resilience is greatly weakened, which makes people susceptible to upcoming hazards. Scientists suggest that climate change-induced threats and uncertainties in the forms of erratic rainfall patterns that result in drought conditions and sometimes floods, abnormal foggy conditions, change in the wind direction and the characteristic patterns of seasons, anomalies in the temperature regimes, and the occurrence of cyclones will bring new dimensions to existing situations. These natural hazards, temperature rises, and sea level rise–induced inundations will contribute to the breakdown of the traditional systems of living; they also bring change in topographical factors (for example, flooding), biophysical factors (changes in the crop yields, runoff, risks of the spread of infectious diseases, changes in the vegetation pattern), and socioeconomic factors (per capital income, health, education, population density) (World Bank, 2001).

Details

Climate Change Adaptation and Disaster Risk Reduction: An Asian Perspective
Type: Book
ISBN: 978-0-85724-485-7

Content available
Book part
Publication date: 31 December 2010

Abstract

Details

Climate Change Adaptation and Disaster Risk Reduction: An Asian Perspective
Type: Book
ISBN: 978-0-85724-485-7

Article
Publication date: 7 December 2020

Md. Zillur Rahman Siddique, Goutam Saha and Aminur Rahman Kasem

This paper aims to examine the exogenous effects of experiential attitude toward green (EAG), instrumental attitude toward green (IAG), injunctive norms on green (ING)…

1404

Abstract

Purpose

This paper aims to examine the exogenous effects of experiential attitude toward green (EAG), instrumental attitude toward green (IAG), injunctive norms on green (ING), descriptive norms about green (DNG), green perceived control (GPC) and green self-efficacy (GSE) on green purchase intention (GPI). Moreover, this paper also investigates the causal factors of green purchase behavior (GPB) considering green knowledge (GK), the salience of green behavior (SGB), environmental constraints (ECPG) and green habit (GH).

Design/methodology/approach

The research model was adopted to measure the green behavior of Bangladeshi consumers using an integrated behavior model (IBM). The data were randomly collected from 372 respondents and partial least squares structural equation modeling (PLS-SEM) approach was used to test the hypotheses.

Findings

PLS results imply that all independent variables (EAG; IAG; ING; DNG; GPC and GSE) impact GPI; and SGB, GH and GPI influence GPB. On the other hand, GK and ECPG have no significant effect on GPB.

Research limitations/implications

There may present a gap in the outcomes of the study to signify the generalizability because the survey was conducted in some cities of Bangladesh which may not represent the country as a whole.

Practical implications

This study anticipates the cause-effect relationship between GPI, GPB and their determinants. The results of the study can help marketers understand green consumer behavior and design appropriate strategies and tactics for new marketing challenges.

Originality/value

This research investigates green purchase behavior in a developing country. It empirically confirms the validity of IBM in assessing green behavior, especially for Bangladesh, a booming economy and suitable for investment. Although ample research explored green purchase behavior, green habit and saliency have not been considered in measuring green purchase behavior.

Details

Journal of Asia Business Studies, vol. 15 no. 2
Type: Research Article
ISSN: 1558-7894

Keywords

Open Access
Article
Publication date: 6 April 2020

Aminur Rahman, Anne Austin, Iqbal Anwar and Surasak Taneepanichskul

Sixteen million adolescents give birth each year, constituting 11% of all births worldwide. Adverse adolescent pregnancy outcomes are well-documented. Available data on adolescent…

1201

Abstract

Purpose

Sixteen million adolescents give birth each year, constituting 11% of all births worldwide. Adverse adolescent pregnancy outcomes are well-documented. Available data on adolescent pregnancies have mainly relied on self-reported age and retrospective survey data, which might not capture adolescent births accurately. This paper reports on trends in adolescent pregnancy and associated adverse birth outcomes in Matlab, Bangladesh, using data from the Matlab Heath and Demographic System (HDSS) which precisely documents maternal age.

Design/methodology/approach

The study was conducted in the rural subdistrict of Matlab in Bangladesh. HDSS data were used to examine trends in adolescent motherhood (10–19 years) in the International Centre for Diarrhoeal Disease Research, Bangladesh (icddr, b) service areas (ISA) and government service areas (GSA) between 2007 and 2015. A total of 4,996 adolescent mothers were included in the analysis. Chi-square testing and binary logistic regression were used to document adolescent pregnancy trends and the differences in and causes of perinatal death.

Findings

The fertility rate was 27 per 1000 adolescent mothers in ISA and 20 per 1000 adolescent mothers in GSA, during the 9 years of the study period. The adjusted odd of an adolescent mother having a perinatal death in ISA, relative to GSA was 0.69. Significant determinants of perinatal death among adolescent mothers included maternal education, paternal education, mother’s age at first birth, asset score and distance from the nearest health facility.

Originality/value

This paper documents the real trend of adolescent pregnancy by capturing the accurate age at pregnancy for the first time in Bangladesh.

Details

Journal of Health Research, vol. 35 no. 1
Type: Research Article
ISSN: 0857-4421

Keywords

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