• Korean Journal of Social Welfare
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• v.56 no.2
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• pp.215-235
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• 2004

A little understood but rapidly growing phenomenon in our society is remarriage. By 2002, 21% of marriage involved the remarriage of one or both partners. Furthermore, the ratio of remarriage of women has outnumbered the ratio of remarriage of men, which is remarkable change compared to the traditional culture putting a taboo on women's remarriage in Korea. The purpose of this study is to construct the perspective and the direction of programs for enhancing the remarriage family functioning. For the purpose, we explore the intrinsic vulnerability to family dissolution of remarriage and ill preparation for remarriage of people. There are unrealistic myths around, lack of informations on, absence of guideline for remarriage family life. Also, we discuss the process of remarriage family development, which leads us to the conclusion that the remarriage shows totally different family structure and family interaction from first marriage nuclear family. Based on discussion mentioned above, several suggestions are provided for developing programs for remarriage family functioning. Above all, the family developmental perspective on remarriage is more useful paradigm rather than deficit-comparison perspective for remarriage family. Also, the programs for remarriage family functioning should challenge the unrealistic myths around remarriage such as the instant love between step-parents and step-children, the re-created nuclear family, etc. Also, several points such as the remarried family developmental stage, the disparity in expectation of man and woman on remarriage, and the tendency to scapegoat a stepmother should be considered in programs for enhancing remarriage family functioning.

• Korean Journal of Social Welfare
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• v.59 no.2
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• pp.171-195
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• 2007

Remarriages constitute an increasing proportion of all marriage in Korea. In 2005 26.1% of marriages were remarriages for one or both partners. Also, remarriages are more likely to end in divorce than first marriages. This study is conducted to understand how and why the remarriage is ended in divorce in Korea. Seven ex-stepmothers were asked in-depth interview to describe the whole story from courtship to divorce of remarriage. Their narratives were analyzed by a qualitative software program, Nvivo2, which assured us the validity and the reliability of method of the study. Qualitative analysis revealed several major concepts related to the dissolution of remarriage: lack of feeling of love in a motive of marriage, lack of understanding of and preparation for remarriage, fragile tie of remarried couple, frictions between step-children and step-mothers, feeling excluded from family-in-law, and wife battering. The results of the study highlighted that the social work interventions should be actively done in the area of family life education including remarriages and remarried families.

• Journal of Families and Better Life
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• v.24 no.6 s.84
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• pp.177-193
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• 2006

This study analyzes marriage and fertility rates in Korea and makes recommendations for family policy. Based on the 'The Report of Marriage & Divorce Statistics in 2005' and data from the Korea Statistical Information System (KOSIS) of the National Statistics Organization, the trends, reasons for marriage rates changes, and future expectations were critically reviewed. In addition, the relationship between marriage and fertility rates was analyzed. The principle characteristics of marriage rates are as follows: 1) the M-shape of the longitudinal crude marriage rates; 2) the increased age of individuals entering their the first marriage; 3) the increase in remarriage rates; 4) the changes in the patterns of remarriage; 5) the increased in the age at which individuals remarry and; 6) the increase in marriage to non-Koreans. The marriage and fertility rates changes are a permanent normative shift because of 1) later marriage because of women's increased education and labor force participation 2) rational choices about birth control 3) reduced population because of the aging of baby boomers 4) structural changes in the marriage market and 5) egalitarian changes in women's attitudes toward marriage and family. The recommendations for future family policy were as follows: 1) the need for a realistic, long-term family policy because the current marriage patterns will continue; 2) the need to develop new statistics such as fertility rates that are based on marriage cohort or birth cohort because family behavior is a mixture of personal, social and political responses; 3) the need for impact analysis of current family policy about increasing fertility rates; 4) the need for a new family perspective that encompasses diverse marriage and family patterns; 5) the need to focus on men's role in families because of women's changing roles and family interaction patterns and; 6) the need for preventive family policies such as family life education.

• Journal of the Korea Institute of Building Construction
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• v.10 no.5
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• pp.95-102
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• 2010

In recent years, the demand for the development of high quality and cost effective materials, as well as the competition to ensure a diverse and sufficient amount of ready-mixed concrete, has been increasing rapidly. In this experiment, concretes made with different admixtures are blended with each other in different combinations and ratios, in order to identify potential problems. The first test was a slump level test, in which all of the concretes met the required numbers, as they also did in the test for air content. Plain organic acid concrete scored the highest in bleeding amount, but organic acid mix in general showed a similar outcome. In the early measurement of compressive strength, plain naphthalene concrete was the strongest. Of the blends, the 5:5 mix of organic acid and naphthalene was the strongest. In the standard measurement, the 5:5 mix of naphthalene and lignin was the strongest. Tensile strength tests revealed similar results. Length change rate proved to be greater in blended concrete than in plain concrete, and dry shrinkage rate was highest in the 7:3 ratio blends. Through SEM photo analysis, it was confirmed that the 7:3 ratio blends contained more micro-voids. In conclusion, with the exception of a specific few combinations, it was found that the blending of different types of concrete is undesirable due to the delayed coagulation time as well as the early decrease in strength.

• Magazine of the Korea Concrete Institute
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• v.10 no.6
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• pp.223-231
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• 1998

Existing cast in place piles made by grouting cement mortar have many problems that cracks by autogeneous and drying shrinkage bring about the deterioration of force for piles, segregations by the submersion of ground water occur and also, high cement contents lead to rise the manufacturing cost. Therefore, this study is intended to investigate the mechanical properties of high performance mortar, incorporating expansive additives and fly ash. for cast in place piles. According to the experimental results, as the contents of expansive additives increase in mortar mixture, fluidity decrease and air contents shows inverse tendency. Setting time is delayed. Although compressive strength at 7days shows a decline tendency. compressive strength at 28days and 91days increase slightly with 5% of expansive additives. As fly ash increase in mortar mixture, high fluidity is shown, air contents increase and setting time is delayed at fresh state, and additives are, the larger length change is, whereas shrinkage decrease with the increase of fly ash.

• The Korean Journal of Pesticide Science
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• v.2 no.1
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• pp.32-39
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• 1998

This study was performed to develop jumbo granules floated and spreaded on the water surface after application, having low production and formulation cost, and safe to environment for paddy herbicides and to establish the formulation recipe. The jumbo granules of azimsulfuron with molinate(0.075+7.5%) was formulated by KCl as water soluble carrier and paraffin oil as solvent to impose the floating and spreading force to granules. That showed 100% of total granules to be floated on and spreaded upto the water surface within 25 minutes after application. Change in carriers, surfactants and pH did not affected to improve the time-course degradation of azimsulfuron in jumbo granules, but salt formation of azimsulfuron added by 1.15M solution of NaOH a little. Addition of N-methyl acrylate and modification of formulation process affected decrease in degradation of azimsulfuron upto 1.2, 2.1, and 7.2% after 2, 6 and 12 weeks under storage at $40{\pm}2^{\circ}C$, respectively, which showed the establishment of formulation recipe of the jumbo granules.