Learn English Grammar From A–Z
- In 1937 the first cationic surfactants were used in bituminous road construction and these were quaternary ammonium salts.
- It was also postulated that the slow settling of organic material from the surface produced the bituminous carbonate layers known as oil shale.
- Neither uses bituminous tars or asphalts, neither requires painting, and both age to beautiful patinas.
- In situ stabilisation techniques included in the survey were chemical, bituminous, and mechanical stabilisation.
- Iron sulfides and/or black bituminous matter in the concretion matrix or enclosing shales show that the matrix material accumulated in oxygen-deficient waters.
- The bituminous material at each site was dense bituminous macadam, which typically had a bitumen content of 4.0-4.5%.
- In addition, there has been slight price erosion for PVC pipe, insulation material, ready-mix concrete and bituminous concrete.
- If you sold bituminous rocks as ‘coke,’ they might not.
- According to SPRI, PVC membranes are chemically incompatible with bituminous materials.
- Their activities included tar distillation, and the manufacture and laying of bituminous paving materials.
- Sheet metal, bituminous membranes, and composite materials are used as flashing.
- The Government entered into a contract with Consolidated Contractors Company of Kuwait to construct a bituminous all-weather 74 kilometres road between Mongu and Kalabo.
- There were a few victories, mostly as a result of an intense organizing campaign in the bituminous districts of western Pennsylvania, but there were many more failures, in Pennsylvania and throughout the coal regions of Appalachia.
- Higher liquid asphalt prices have pushed the price of finished bituminous concrete up by 6%, to between $25 and $30 per ton, says Roberts.
- The information is grouped into six broad product categories: earthmoving, lifting, bituminous, concrete and aggregate, light equipment, and attachments and components.
- The war brought corporate reorganization and consolidation to Pennsylvania's anthracite region, even while newly independent West Virginia's bituminous region lagged behind.
- Environments where bituminous mudrocks may form are waterlogged mires, swamp and bogs, stratified lakes and marine water with restricted circulation including backswamp conditions furthest from the fluvial channel.
- About 90% of Australia's 300 000 km of sealed road network consist of unbound granular materials with thin bituminous surfacings.
- Dasag's range of natural asphalt tiles continues a 100-year tradition that has seen finely ground bituminous limestone pressed into durable and elegant tiles.
- This may be related to the presence of relatively large, probably late-diagenetic pyrite clusters in the bituminous limestones, whereas smaller framboids and crystals predominate in the black shales.