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 ...
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 ...
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...
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...
In our opinion, an epoxy grout filler may work fine to provide a well-bonded repair to a stable wall or floor crack in an area where there is no anticipated further movement such as from temperature or moisture variations. Watch out: while epoxy, a material stronger than concrete alone, ...
The granular skeletons of the two concretes were notedD15andD25. In addition, two types of sand were used in these concretes, namely a graded fine dune sandDSand a graded quarry sandQS, as shown in Fig.2. In fact, the concretes consisted of aggregates with a maximum size of 15 and ...
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 high performance of UHPC attributed to its unique packing system, in which instead of coarse aggregates, ultra-fine particles with a good particle gradation are employed to fill the intergranular spaces of macro-structural particles, leading to a higher degree of compactness for the materials ...