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Wacker Neuson SE (formerly: Wacker Construction Equipment AG) is a manufacturer of construction equipment and compact machines for concrete and construction site technology. Its headquarters are in the city of Munich , Bavaria district of Germany, the company is listed on the Frankfurt Stock Exchange .
The plate compactor, vibrating plate, or tamper, has a large vibrating baseplate and is suited for creating a level grade, while the rammer compactor has a smaller foot. The rammer, or trench rammer, is mainly used to compact the backfill in narrow trenches for water or gas supply pipes etc. Road rollers may also have vibrating rollers.
In 1936 the vibratory compactor was developed by a mechanical engineer Hilding Svenson. In 1940 the company name changed to AB Vibro-Verken. In 1947 it launched the first vibratory plate compactor, which weighed 1.5 tonnes, being nicknamed the frog. It opened its research laboratory in 1948 and manufactured the first vibratory road roller in 1953.
The new head office of Wirtgen India is located in the vicinity of Pune, an industrial center in the northwest of India. 672 employees work in the 129,100m² production area, production of Hamm of two models single-drum <model 311> and multi-drum <model HD99> compactors, Kleemanscreens and Vogele pavers [10]
Soil compactors are used to perform test methods which cover laboratory compaction methods used to determine the relationship between molding water content and dry unit weight of soils. Soil placed as engineering fill is compacted to a dense state to obtain satisfactory engineering properties such as, shear strength, compressibility, or ...
The 2010 United States Census [5] reported that Rail Road Flat had a population of 475. The population density was 14.3 people per square mile (5.5/km 2).The racial makeup of Rail Road Flat was 411 (86.5%) White, 0 (0.0%) African American, 15 (3.2%) Native American, 4 (0.8%) Asian, 2 (0.4%) Pacific Islander, 9 (1.9%) from other races, and 34 (7.2%) from two or more races.