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2021-06-18T13:43:11+09:00
2021-06-18T13:43:11+09:00
2021-06-18T13:43:11+09:00
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Ritsumeikan Univ.KO-452
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14.25 0 0 14.25 51.0931 788.25 Tm
(Experimental study on development of concrete and concrete materials to \
reduce)Tj
12.288 -1.211 Td
(environmental burdens)Tj
/TT1 1 Tf
12 0 0 12 497.6992 742.5 Tm
(Naho Takeda)Tj
-37.767 -2.313 Td
(In this study, the development of concrete and concrete materials in ord\
er to reduce environmental burdens)Tj
-1 -1.5 Td
(was experimentally carried out. The paper has five chapters as following\
.)Tj
1 -2.5 Td
(Chapter 1 is "Introduction." This research can take a part of the plans \
established in the world, in Japan,)Tj
-1 -1.5 Td
(especially in Shiga prefecture, to achieve environmental preservation. A\
lso, the study on development of)Tj
0 -1.5 TD
(concrete and concrete materials for reduction of environmental burdens c\
an help to build a resource-recycling)Tj
T*
(society for further economic development.)Tj
1 -2.5 Td
(Chapter 2 is "Application of porous concrete to creation of reed colonie\
s." Porous concrete is)Tj
-1 -1.5 Td
(experimentally examined as one of the useful materials for reproducing r\
eed colonies along Biwa lakeshore.)Tj
T*
(First of all, the mix proportion of the porous concrete suitable for the\
growth of reeds is determined and the)Tj
T*
(porous concrete in a container is planted with reeds to observe the favo\
rable growth of reeds. Finally, the five)Tj
T*
(years' observation of the porous concrete and the coconut fiber base in \
general use planted with reeds along)Tj
T*
(Biwa lakeshore is carried out. Comparison between these two kinds of bas\
es clearly leads the effectiveness of)Tj
T*
(porous concrete.)Tj
1 -2.5 Td
(Chapter 3 is "Utilization of melt-solidified slag derived from sewage sl\
udge for concrete." The concrete)Tj
-1 -1.5 Td
(including melt-solidified slag derived from sewage sludge as fine or cou\
rse aggregates is experimentally)Tj
T*
(investigated. First, the property of the molten slag itself is examined.\
Next, the condition of fresh concrete,)Tj
T*
(strength, deflection, resistance to freeze-thaw and fatigue behavior und\
er compression of mortar and concrete)Tj
T*
(with molten slag are discussed. It is indicated that the concrete inclus\
ive of molten slag can be used as same)Tj
T*
(as the general concrete if recognizing a few differences from normal agg\
regates.)Tj
1 -2.5 Td
(Chapter 4 is "Case study on calculation of environmental burdens as an e\
xperiment." Two types of)Tj
-1 -1.5 Td
(calculations of environmental burdens as an experiment are made in case \
of \(1\) applying a porous concrete to)Tj
T*
(creation of reed colonies along Biwa lakeshore and \(2\) using melt-soli\
dified slag derived from sewage sludge)Tj
T*
(for concrete. The reduction of environmental burdens in future is quanti\
tatively evaluated.)Tj
1 -2.5 Td
(Chapter 5 is "Conclusions" obtained by this study.)Tj
ET
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