…0.0 2.3 0.0 0.1 0.4 sum 99.1 96.3 98.6 99.7 99.8 100 99.9 99.6 99.8 99.8 99.4 99.8 http://www.sciencedirect.com/science?_ob=PublicationURL&_cdi=5561&_pubType=J&_auth=y&_acct=C000045159&_version=1&_urlVersion=0&_userid=835458&md5=3b7fe0993aeca744bfaca2ffbe4fb5b3 http://www.sciencedirect.com/science?_ob=PublicationURL&_tockey=%23TOC%235561%232003%23999749991%23466577%23FLA%23&_cdi=5561&_pubType=J&view=c&_auth=y&_acct=C000045159&_version=1&_urlVersion=0&_userid=835458&md5=83bfb4b30abe5ed0533cd5d91a9940bf TABLE 2: Variability of gels in concretes with andesite (sample…

…at all field sites. The reactivity potential of these aggregate combinations was successfully identified with all test methods. Some aggregate combinations that were classified as “slowly” reactive showed first signs…

…in the aggregates and consequently to enable re-assessment of the reactivity. Comparison between the point-counted composition and the notional composition based on nominal mix design data indicated that the point…

…and H(0,97) are high alkali cements according to ASTM C150-78a”. Blended cement 1(1,05) complies with the compositional requirements of both ASTM C595-79 7 and SABS 831-1971 e. The slagment complies…

…S2 weeks at 38 °C improves the compressive strength, compared to week 4 and reduces the elastic modulus. Cores series D and F (control mix, low compressive strength) at weeks…

…total Ca concentration slows down. Compared to the total CH3COO– concentration (not shown in Figure 5), there are only a few percent of Ca-acetate complexes in the solution. Comparable results…

…total Ca concentration slows down. Compared to the total CH3COO– concentration (not shown in Figure 5), there are only a few percent of Ca-acetate complexes in the solution. Comparable results…

…inthe concrete is replacéd. For this judgement the specifie surface is_important too. Alkali expansion in concre~e can be prevented completely by suitable_dust-fine admixtures. The efficiency of admixtures is due to…

…Agg- reg- ate Aggregate type (mm ) Statistics2 Sum II+III Comments Sum II+III Comments Sum II+III Comments average 90? median 98 minimum 71? N1 (C) Cataclasite 4-16 maximum 100 3…

…effect of increase in compression steel on ASR strain. When the compression steel is increased (with constant tension steel) ASR strain in compression zone is reduced. In R5 and R6…