block system


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block system

[′bläk ‚sis·təm]
(civil engineering)
A railroad system for controlling train movements by using signals between block posts, that is, the structures that contain the instruments indicating the positions of trains, conditions within block sections, and control levers for signals and other functions.
(mining engineering)
A system of pillars in which a series of entries, rooms, and crosscuts are driven to divide the coal into blocks of about equal size which are then extracted on retreat.
References in periodicals archive ?
The Terra Block System features a line of machines developed, perfected and patented by TerraBlock, that manufacture Compressed Earth Blocks.
In addition to this automatic block system order, other contributions that helped reach these important results on the Napoli junction are the 1998 "ATC Integrato" contracts, valued at ITL 20 billion; the CTC contract, valued at ITL 31 billion, and the ITL 56 billion contract to install 11 central interlockings (ACS) for as many junctions.
The Terra Block system features a machine that manufactures building blocks using common soil as the raw material.
This agreement provides York Capital, of Scottsdale, AZ the exclusive right to negotiate for a license to use and sell the Terra Block System in the territory of Guam.
The usefulness of the Terra Block System continues to broaden, as the technology promises to be very valuable for defense applications.
TopSmallCaps is the first independent analyst in Europe to begin coverage and release an investment opinion covering this company that uses its unique proprietary Terra Block System for innovative construction solutions worldwide for 23 years now.
TERRAZE is responsible for urbanization of the property, including electricity, water, sewer, gas and roads, while Terra Block will build the two-story homes using the Terra Block System.
Contract awarded for Jiaodong Water Block System Corporation (blocks 3,4) (Civil)
The Nitride Plus hardened linear rail and roller block system is designed for long life even in high speed and high cycling applications.
In another word, the system was designed to support the building loads by the roof, upper floor slabs, dead load and lateral loads, such as wind and soil pressure and there are five types of structural masonry namely: plain masonry or unreinforced masonry, reinforced masonry, pre stressed masonry, confined masonry and interlocking block system in construction projects.
The recent decline in meth labs across the commonwealth is proof positive that this technology and the meth offender block system are both working extremely well.
The clamping block system allows for a large opening stroke with a displacement speed much higher than the one of telescopic systems or other complex solutions.