Testing Concrete - Determination Of Density Of Fresh Concrete
The behaviour of fresh concrete during its mixing, transport, placement, and compaction can ultimately have significant effects on its mechanical performance, durability, surface appearance, and on its other properties after hardening. In concrete construction many problems result from the improper filling...
DensityCompressive StrengthThis paper compared the rheological properties and compressive strengths of self-compacting concrete (SCC) and conventional cement concrete. The flowability and segregation resistance of freshly mixed concrete specimens were examined by the V-funnel apparatus, while the ...
The proposed device for determining the density and deformation of fresh compacted concrete contains a vibration platform, a sectional cylindrical mold, deformation detectors and indicators, pneumatic actuators for opening the mold, and a removable container for concrete mix. In the container, measuring ...
The utility model discloses a comprehensive fresh cement concrete performance tester which can fast and quantitatively test the flowability, easily sealing property, stability and density of fresh cement concrete. The comprehensive fresh cement concrete performance tester comprises a glass sheet, a horizont...
Investigation of physical and mechanical properties of nano carbon black added lightweight UHPC The high specific density of concrete significantly increases the dead load in buildings. Preferring the aggregate used in concrete as pumice, which is a v... M Uzun - 《Magazine of Concrete Research》...
[translate] aIn fresh concrete, the radio of the amount of water to the amount of cement,by weight,is termed the water ratio 在新鲜的混凝土,相当数量的收音机水到相当数量水泥,由重量,被命名水比率[translate]
Testing Fresh Concrete - Part 6: Density Recently a standard PN-EN 12350:2001 "Concrete mix testing", made of six parts, has been created. Respective parts are as follows: Testing of consistency b... B Standards 被引量: 20发表: 1999年 ...
Nano-materials could be a good product for the repair and rehabilitation of structures due to their particle size. It increases the packing density of the concrete and makes the concrete impervious easily. This research, checks the setting time, workability, compressive strength, splitting tensile, ...
The evolution of the mechanical properties can be mainly related to an initial condition with high density of dislocations (in the order of 1015) and carbon in solid solution, while quite early during tempering, dislocations will start to annihilate and carbide precipitates form. On the other ...