TīmeklisIts mission is to provide heavy weapon, high-angle organic indirect fire support to the unit commander. The M120 is used by both mechanized units and light infantry in certain situations. Another feature of the … It was not until the Stokes mortar was devised by Sir Wilfred Stokes in 1915 during the First World War that the modern mortar transportable by one person was born. In the conditions of trench warfare, there was a great need for a versatile and easily portable weapon that could be manned by troops under cover in the trenches. Stokes' design was initially rejected in June 1915 because it was un…
Mortar (weapon) - Wikipedia
Tīmeklis2024. gada 6. jūl. · Product 2B25 is a compact and lightweight 82-mm smoothbore mortar for special ammunition. It is built according to the traditional scheme of an imaginary triangle with a folding biped and a base plate of small diameter. On the mount of the biped, near the muzzle, there is a sight for firing at hinged trajectories. Tīmeklis2005. gada 1. jūn. · At early ages, the strength activity index of fly ash mortar due to packing effect is higher than that due to pozzolanic reaction. At the ages of 3 to 90 days, the difference in strength activity index due to packing effect of fly ashes with median particle size of 2.7 and 160 μm is almost constant about 22% of the strength of … meg griffin and new boyfriend
Effects of chemical composition of fly ash on ... - ScienceDirect
Tīmeklis2015. gada 23. okt. · This article presented the compressive strength, modulus of rupture and fracture characteristics of high calcium fly ash (FA) geopolymer mortars containing Portland cement type I (PC) with different sodium hydroxide (NaOH) concentrations (6, 10 and 14 molars). PC was added at the dosages of 0, 5, 10 and … Tīmeklis2024. gada 30. jūl. · Metakaolin-based geopolymers mortars were produced according to the following procedure. Initially, the alkaline-activating solution was mixed for 5 min twenty-four hours prior to molding. Subsequently, metakaolin was manually mixed for 1 min with the alkaline-activating solution using a metal spatula. Tīmeklis2024. gada 12. jūl. · The self-healing capability of cracks plays an important role in improving the durability of concrete. This study investigated the the self-healing capability of mortar with crystalline admixture and fly ash under three conditions. nancy taylor bechtel