نتایج جستجو برای: alkali resistant glass fiber
تعداد نتایج: 402187 فیلتر نتایج به سال:
A Portland cement plaster wall system has many positive features, but one of the physical properties that it does not possess is flexural strength. It is because of the inability of the Portland cement plaster membrane to bend or flex that glass fiber strands were used in Portland cementbased plaster. There are various types of synthetic fibers on the market that will provide flexural strength ...
The results of our infrared reflectance studies of single and mixed alkali borate glasses are reviewed and discussed in the context of the network structure and the interactions between alkali cations and their sites in the glass. In particular, we focus on the strong influence of the alkali cation type, content, and alkali subsitution on the structure of the network building units. The dominan...
Sandwich structures made of glass-reinforced composite facesheet (FS) and honeycomb core are using in many load-carrying applications. This study aims to reduce the dependency on synthetic materials FS sandwich structure. Recently, there has been rapid growth research innovation hybrid achieve comparable performance cost, weight, environmental impact. In present research, mechanical properties ...
Three alkali swelling methods were used to treat two kinds of kraft pulp fibers. The morphological and chemical properties of the treated fibers were elucidated in terms of alkali concentration, with the aim of developing bulky paper and conserving wood resources. The effects of beating before and after alkali swelling were examined. The water retention value of fibers increased when higher con...
Geotechnical investigations are one of the most crucial parts construction to save time and effort spent on projects. Particularly, in case clays with high plasticity encountered, analysis bearing capacity settlement structures such as buildings, roads, dams governs design. The possible solutions can be leaving land, reaching a strong soil bypassing weak one, removing by replacing it higher str...
Alkali-resistant hot-curing epoxy binders based on ED-20 and new amine hardeners “Amikrost” have been developed, intended for the production of glass-composite fittings construction purposes. The rheological properties compositions were determined, using differential scanning calorimetry thermogravimetric analysis, temperature dynamics curing process thermal-oxidative resistance cured samples s...
The research objective of this study was the seismic performance double-row reinforced ceramsite concrete sandwich wall panels. feasibility upgrading a new panel from non-load-bearing partition to load-bearing examined by conducting cyclic load tests on five specimens. test piece thermal insulation structure that could achieve good protection distance between material and fire source so prevent...
the creep behavior of basalt fiber reinforced epoxy (bfre) and glass fiber reinforced epoxy (gfre) composites was studied through tensile testing at high temperature. to study the effect of reinforcing epoxy, the micro glass powder (mgp) was added at various volume percentage into the epoxy resin in bfre composites. the initial strain for all the specimens were evaluated and compared with each ...
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