In this article we demonstrated the study results of durability quality of cement paste containing waste solar PV cells. The conclusions were made on effect of this cement replacement. The use of ground solar cells on the durability properties of cement-based composite was investigated. As a result, we identified the factors affecting the durability for those of cement mortar specimens which predefined and made in lab.
In the previous article we studied the strength quality of cement paste blended with waste solar PV cells. In this study, the similar research was performed by replacing cement paste with concrete except that a large w/c ratio of 0.55 was set since high permeability or more capillary pores may take a better observation on the experimental results. The conclusions were made on the effect of cement replacement with ground solar cells. The use of ground solar cells on the mechanical properties of cement-based composite was investigated, and as a result, we identified the strength performance for those of concrete specimens.
In this article we demonstrated the study results of strength quality of cement paste blended with waste solar PV cells. The conclusions were made on effect of this cement replacement. The use of ground solar cells on the mechanical properties of cement-based composite was investigated, and as a result, we identified the factors affecting the strength for those of cement mortar specimens which predefined and made in lab.
This paper presents an experimental investigation on the effect of incinerator bottom ash (IBA) fineness and the cooled process of molten IBA on fresh mortar properties and compressive strength of hardened mortars. IBA with two finenesses, an original IBA, and a pulverizing incinerator bottom ash (PIBA) powder, with maximum particle size of 4.75 and 0.074 mm respectively were used to partially replace sand and Portland cement at 0%, 10%, 20%, 30%, and 40% by weight. The pozzolanic activity characteristics of powder were obtained from melting the above PIBA in an electric-furnace at 1450 °C for 1 h. and chilled by quenching in water (WIBA) and air (AIBA). Results indicate that incinerator bottom ash caused a reduction in compressive strength, unit weight, and flowability values when used as a replacement for sand and cement. However, IBA can be processed by melting to regain reactive pozzolanic activity, which may be used to partially replace cement.
Nowadays, its more common of dispensing a topping material like concrete crystalline penetration sealer materials (CSM) onto the surface of a plastic substance such as concrete to extend its service life span by surface protections from outside breakthrough. Its known as the CSM may penetrate into the existing pores or possible cracks in such a way that it may form crystals to block the potential paths which provide breakthrough for any unknown materials. Even though all kinds of test data and researches have been reported to boast of its advantages in both theoretical technologies and application functions, to accept that as an agreed fact, namely the major components and those proportions have not been fully announced in public or research. This study employed various experiments, such as scanning electron microscope (SEM), energy dispersive spectrometer (EDS), X-ray diffraction (XRD), X-ray fluorescence (XRF) and Fourier transform infrared spectroscopy (FT-IR), to identify key components of CSM for developing another type of CSM so that its components could be open for the public. There are two types of commercial CSM adopted for the tests and then thru a series of discusses of test results the most possible components of CSM are proposed as a future reference of CSM related researches.
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