Slide 2: Concrete in Famous Buildings
The Pantheon’s giant dome was constructed out of concrete. The XXXXXX XXXX the XXXXX to XXX XXXXXXXX XXXXXXXXXXX, XXX XXXX XXXXX XXXX XXXXXXXXXX with it XXXXXXX of how XXXXXXXXXX XXX strong it XXX, especially XXXXXXXX to XXX other XXXXXXXXX XX the time. (XXX XXXXXXXX dome is XXXXXXXX XX the XXXXX)
XXXX of the XXXXXX XXXXX XXX XXXXX out XX concrete. XX XXXXXXXXXX, the large lock chambers XXXX XXXXX XXX to XXXX through were XXXX XXXX concrete. XXX XXXXXXXX XXX to XXXXXXX water XXXX leaking. 3.X million cubic XXXXXX of XXXXXXXX were used XXXXXXXXXX XXX XXXXXX Panama Canal.
XXXX XXX Panama XXXXX, the XXXXXX Dam was XXXXXXXXXXX XXXX concrete. Much of XXX XXX XX XXXX one giant structure. XXXX was XXX largest XXXXXXXXX ever built XXXX concrete, at the time. XXXXXXXXXX the XXXXXXX, XXXXX 3.X XXXXXXX cubic meters of XXXXXXXX was used.
Slide 3: Why is XXXXXXXX XXXXXX?
XXXXXXXX XXXXXX XXXXX, and XXXX poured, XXXX and XXXXXXX XXXX. This XX useful because it XXX be XXXXXX XXXXXX. It XXXXX’t XXXX to be hot to be a XXXXX, XXXXXX steel, so it&XXXXX;s very convenient.
XX can XX produced XXXX XXXXXXXXX XXXXXXXXXXXX in mind, as it XX a XXXXXXX. XXXXXXXXX XXXXXXXXXX XXXX as strength XXX be considered in the XXXX of concrete used.
XXXXXXXX is XXXX XXXXXXX, XXX XX XXXXXXXXXX XXXXXX in XXXXXXXXXXX, XXXXXXXX weaker in tension.
It is also XXXXXX fire-resistant, XXX XXXXXXXXXXX XXXXXXXX XX XXXXXXXXX like steel.
Slide 4: Using concrete
Concrete is XXXXXXXX the XXXX XXXXXXX building material in XXX world. It XXX XXXX uses.
As XXXXX with XXX XXXXXX XXX, it XXX be used XX XXXX XXXX large structures. XX’s XXXXXXXXX poured in XXXXXX. XXXXXXX it XXXXXXX weak when XXXXXXXXXX, large XXXXXXXXXX such as XXX Hoover Dam XXXXXXX have XXXXX XXX XXXXX to XXXX XXXXXXX, to cool the concrete. Creating XXXXX structures is much XXXXXXX and XXXX efficient than XXXXX XXXXX XXXXXXXXX.
Often, structures built XXXX concrete also use XXXXX. Steel is strong in tension, XXXXXX concrete, so combining XXXXX XXX XXXX a structure even stronger. This combination XX very cost-XXXXXXXXX.
XXXXX 5: Using XXXXXXXX (cont.)
Concrete XXXXXX XXX be XXXX to XXXX XXXXXXXXX. XXXXX are XXXXXXX XXXXXX XXXXXXXX masonry XXXXX. XXXX XXX typically hollow XX XXXX XXXX XXXX lightweight. (X XXXXXXXX masonry XXXX is depicted)
The blocks XXX XXXXXXXXXXX XX XXX construction XXXXX XXXXXXX dry, so there XX no XXXX XX XXX XXXX XXX. There XX XXXX XX XXXX XXX a XXXX, XXXXX would be impractical XXXX a XXXX building. XXXXXXXXXX and XXXXXXXXXXXXX are often added to the blocks, which make up the structure XX XXX XXXXXXXX. XXXX must XX grouted or XXXXXXX in XXXXX XXXX XXXX concrete.