Moreover, the crushed rocks result in more fine material. Fillers can, in combination with superplasticizers and if the quality is appropriate be used to expand the paste phase of the concrete and thus be used to lower the cement consumption. To utilize the filler optimally one needs to ...
When the aggregate is uniformly graded from the maximum size down to the filler to obtain a minimum void content and a high stability, mixtures are classified as dense-graded (well-graded), or if there is little or no fine material so that the void spaces in the compacted aggregate are re...
The results indicate that the mastic specimens containing the coarse filler healed at a substantially faster rate; averaging a recovery in stiffness of 81% during the rest period. The average recovery in stiffness of the mastic specimens containing the fine filler was only 54%. For the covering ...
No obvious tensile crack was observed in the tensile region on the steel tubes of specimens. The typical pattern of damage in the steel tubes were shown in Fig. 3. Taking specimen SB1 as an example, during the initial loading period, when the bending moment smaller than 18kN.m, specimen...
This observation can be explained due to the presence of gaps and the lower amount of natural sand in the mixture made with coarse filler. 展开 关键词: Aggregate gradation Asphalt mixtures Coarse aggregates Cracking Deformation Failure Fine aggregates Mastic asphalt Rutting Temperature ...
No, sealer will not fill in a pavement crack completely. The recommended method to asphalt crack repair is to apply a hot, rubberized asphalt crack filler product into the crack itself. This is the only way to solve your problem as it will slow the formation of new cracks. Some lots, du...
Epoxy grouts are available which can be mixed and troweled into a concrete crack or joint. These products are less flexible than the control joint fillers described above. In our opinion, an epoxy grout filler may work fine to provide a well-bonded repair to a stable wall or floor crack ...
As a material composition, plain concrete is a composite material comprising a mixture of coarse and fine aggregates, cement, water, and additions. Numerous design approaches are available in the literature that can be effectively used to provide the mix proportions that produce plain concrete with...
respectively. Authors attributed these results to the reduced crack width (pore filling and bridging effect by epoxy resin particles) and/or the enhanced integrity of the binder matrix (formation ofpolymer filmscovering/binding hydration products and fine aggregates) that eventually improve the microstru...
The research looked at the possibility of using scrap rubber from the car sector as fine aggregates in the cementitious matrix to create lightweight building materials. The outcomes of the tests showed that the existence of rubber has a tendency to prevent water propagation and minimize water ...