It is confirmed after study that the basic proportioning of special mortar for plastering aerated concrete is as follows: binder-sand ratio 1:3,water-binder ratio 0.50,fly ash content 40%,HEMC content 0.2%,latex powder content 2% and poly carboxylic acid superplasticizer content 1.2%.
Aiming at the plastering situation in the construction industry,a pneumatics system for half-automatic plastering machine was designed,and the working theories and characteristics of the system were described.
the plastering performance of wall plaster increases with increasing of viscosity and content of water retention agent and the mensuration of retention rate determines the adding amount of MC water retention agent with viscosity of 40,000 is 0.2%;
With effective sealants, such as plastic lining overlaid with brick work or cement plastering on brick work, water could be retained in the ponds for longer periods to provide for the needs of crops at stress periods.
Seams and wedges in plastering: A 3-D hexahedral mesh generation algorithm
Specifically, it describes seams and wedges, mechanisms that overcome major hurdles encountered in the preliminary work on the plastering algorithm.
The plastering algorithm iteratively projects layers of elements inward from a quadrilateral discretization of the volume's bounding faces.
Seams and wedges resolve incompatibilities in the mesh and in the progressing boundary, thus ensuring the correct formation of a hexahedral mesh from the plastering algorithm.
Study of Water Movement in Hydrobiological Research of the Bottom Boundary Layer Using Gypsum-plaster Balls
The hydrodynamic activity of the near-bottom water layer within and beyond the communities was estimated using the plaster structures technique.
Plaster immobilization was advised for 6 weeks postoperatively followed by physiotherapy.
They were also studied with plaster models and lateral headfilms during a period of 10 years.
Subjective ranking of the plaster models from the final registrations according to the amount of crowding in the lower anterior region showed no significant difference between the treatment and the control group.