Studies of the concrete cores of the moles have shown that the concrete was much weaker than similar pozzolana hydraulic concrete used in ancient Italian ports.
22.
For unknown reasons, the pozzolana mortar did not adhere as well to the kurkar rubble as it did to other rubble types used in Italian harbors.
23.
If the article pozzolana doesn't help, then I suggest you ask at the talk ) 16 : 35, 21 March 2014 ( UTC)
24.
Another theory is that " Pucela " comes from the fact that Pozzolana cement was sold there, the only city in Spain that sold it.
25.
In particular, she re-invented the ancient plastering method of " qudad ", a waterproofing cement similar in many ways to ancient Roman pozzolana.
26.
At the end of the 17th century the fa�ade was redone with a weave of leaves made of lime and pozzolana; the windows and the portal where adapted too.
27.
The bridge's engineer, Apollodorus of Damascus, used wooden arches, each spanning, set on twenty masonry pillars made of bricks, mortar, and pozzolana cement.
28.
The high silica composition of Roman pozzolana cements is very close to that of modern cement to which blast furnace slag, fly ash, or silica fume have been added.
29.
Leading manufacturers use an industrial standard known as " Pulverized fuel ash for lime-Pozzolana mixture " using over 75 % post-industrial recycled waste, and a compression process.
30.
Once it was floated into position, pozzolana was poured into the gap between the walls and the box would sink into place on the seafloor and be staked down in the corners.
