Impact compression properties of concrete
Witryna20 lut 2024 · The numerical results find that the peaks of compressive stress and compressive strain of concrete show the rate-sensitivity in various degrees under different strain rates. ... Hao, Y.; Li, Z.X. A numerical study of factors influencing high-speed impact tests of concrete material properties. In Proceedings of the 8th … Witryna23 lis 2024 · Noncorrosive reinforcement materials facilitate producing structural concrete with seawater and sea sand. This study investigated the properties of seawater and sea sand concrete (SSC), considering the curing age (3, 7, 14, 21, 28, 60, and 150 d) and strength grade (C30, C40, and C60). The compressive behavior of …
Impact compression properties of concrete
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Witryna1 sty 2012 · This research conducts drop weight impact tests to study the dynamic compressive properties of fibre reinforced concrete (FRC) material with different types of fibres. The impact tests are conducted with an instrumented drop-weight impact system consisting of a hard steel drop weight, two 180 t fast response loadcells, a …
Witryna16 cze 2024 · To study the dynamic mechanical properties and fracture law of concrete after thermal treatment and reveal its mechanism, the impact compression test was carried out on different thermal-treated (400-800 °C) concrete specimens using a split Hopkinson pressure bas (SHPB) system. By using ANSYS/LS-DYN … Witryna12 kwi 2024 · To exploretheeffects of physical, mechanical, anti-deterioration properties of graphene oxide (GO) on cement-based cementitious materials, GO sheet dispersions areprepared by the improved Hummers method and ultrasonic dispersion method. The influence of theGO content on the compressive and flexural strengths of cement …
Witryna13 kwi 2024 · This paper presents a numerical study on the static behavior and cyclic behavior of UHPC-filled steel tube (UHPCFST) columns. A novel fiber element model … Witryna6 godz. temu · Concrete is a building material that is most widely used because of its excellent mechanical performance and durability. Compressive strength is an essential property of concrete, which changes with time under various factors. In this paper, the time variation law of the compressive strength of concrete was reviewed from three …
WitrynaCompared with compression crushing, impact crushing will create more fines within the circuit, which will cause greater wear if processing abrasive material. This is why …
Witryna5 lis 2024 · Concrete is the most vital construction engineering material and to change the properties of concrete some addition or replacement in the cement has to be … portadown rugby clubWitryna1 mar 2024 · Section snippets Raw materials and basic properties. Coarse Aggregate:corals from an island reef in Nansha (Fig. 1(a)) are manually crushed and … portadown screwfixWitryna6 mar 2024 · The properties of concrete in two states, the plastic and the hardened state, are vital for an engineer. ... whereas CSA23.3-04 provides that specified … portadown salvation armyWitryna21 wrz 2024 · The water-cement ratios are the main factors affecting strength of concrete at all ages. However, the water-cement ratio strength relationship is different for different types of cement. Generally, as per the study report, a change of 0.01 in the water-cement ratio affects the strength by 8-12 kg/cm2 at 28 days. portadown scoutsWitrynaIn order to explore the mechanical properties of rock with deep in-situ stress under explosive impact, cemented sand material (artificial material) instead of rock was … portadown riverside practiceWitryna10 kwi 2024 · The grout compressive strength has the phenomenon of size effect, but the law of the size effect is different from that of concrete blocks due to the wall … portadown shoe and heel barWitryna1 lut 2016 · The effect of the deformed shape of steel fibers on dynamic compressive properties of concrete was investigated by Al-Masoodi et al. [83]. In their study [83], γ-and W-shaped steel fibers ... portadown shopping