Autori istražuju Pikettyjevo shvaćanje ideologije na temelju njegove knjige „Kapital i ideologija“ (2020). Pokazuje se da on ideologiju shvaća kao samostalnu silu u povijesti. Osnovna je teza članka ...da kod Pikettyja nema kritičke političke teorije „prijelaznog razdoblja“ pa ne može uvjerljivo objasniti zašto kriza „hiperkapitalističke ideologije“ od 2008. naovamo ne vodi izravno u političku i ideologijsku transformaciju kojoj se nada (tzv. „participativni socijalizam). To se može razjasniti Gramscijevim shvaćanjem krize i pasivne revolucije. Pokazuje se da „transformizam“ (Gramsci) u krizi kapitalizma obnavlja osnovni konsenzus, ali da donja i niža srednja klasa nemaju previše utjecaja na „reorganizaciju države“. Zapravo te su klase danas više potaknute da sudjeluju u „platformskom populizmu“ (Morozov), nego u Pikettyjevom projektu stvaranja deliberativne „pravedne demokracije“. Taj populizam nastoji demokratizirati (a zapravo komercijalizirati) što je više moguće područja ljudskog djelovanja. S druge strane, postoje znakovi da će mainstream ljevica ići tragom onoga što Gramsci naziva (progresivni) cezarizam. Posrijedi je „polemičko- ideologijska formula“ kojoj treba, prije svega, politička akcija kako bi se iznova postigla „minimalna društvena homogenost“ (Monod) kao pretpostavka održivije demokracije. Autori pokazuju da ipak ima dokaza da je Pikettyjevo shvaćanje ideologije primjenjivo u suvremenoj politici.
Efforts were made to predict and evaluate blast-induced ground vibrations and frequencies using an adaptive network-based fuzzy inference system (ANFIS), which has a fast-learning capability and the ...ability to capture the non-linear response during the blasting process. For this purpose, the ground vibrations generated by the blast in a tunnel tube were monitored at a residential building located directly above the tunnel tube. To investigate the usefulness of this approach, the prediction by the ANFIS was also compared to those by three of the most commonly used vibration predictors. The efficiency criteria chosen for the comparison between the predicted and actual data were the sum of squares due to error (SSE), the root mean squared error (RMSE), and the goodness of fit (R-squared and adjusted R-squared). The results show that the ANFIS prediction model performs better than the commonly used predictors.
Delayed ettringite formation (DEF) is a chemical reaction with proven damaging effects on the mechanical properties of hydrated cementitious composite (concrete). Ettringite crystals can cause cracks ...and the widening of cracks due to pressure on the crack walls caused by the positive volume difference in the reaction. In this paper, we investigated the potential to utilise the positive volume difference in DEF in order to improve the mechanical properties of hydrated fine grained aerated concrete. Fine dispersed crystallisation nuclei, achieved by adding air-entraining agent (AEA) and by short vibration of specimens, are presented as the main requirement for such improvements. Control tests of expansion and mechanical properties were performed on samples of concrete with and without AEA by inducing DEF. The microstructure of fine grained aerated concrete was examined with an optical microscope and scanning electron microscope. We found that the controlled DEF, which is guaranteed by adding AEA and with the formation of uniformly dispersed air bubbles, which are crystallisation sites for ettringite crystals, improves the mechanical properties. The specimens with induced DEF were measured and found to have a 6.8% increase of compressive strength.
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