the evolution of tank technology is revolutionizing water ... · 6.12.2016 · interior view of...
TRANSCRIPT
The Evolution of Tank
Technology is Revolutionizing
Water Collection and Reuse
System Design
Jim Bransfield, Infiltrator Water Technologies
December 6, 2016
Minoan water cistern at the house
complex in the vicinity of Chamaizi,
near the town of Sitia in the eastern
Crete
Excavated cisterns at Myrtos–Pyrgos date back
to the middle Minoan period (ca. 1700 BC).
photo copyright by L.W. Mays
The slab-covered cistern of the Sanctuary of Heraion at Loutraki Attika
Hellenic Period (ca. 300 BC).
Interior view of the three-aisled vaulted
Roman cistern in the ancient town of
Aptera, Chania (volume of about 3000 m3).
Roman period (ca. 27 BC – 395 AD).
Central cistern on island of Delos
(by G.P. Antoniou).
Ottoman cistern located near Bodrum, Turkey (photo copyright by L.W.
Mays). Ottoman period (ca. 1669–1898)
Has much changed since
then?
Cross-section of the pear-shaped dated to the Byzantine times.
Strong shapes never die?
Strong shapes never die?
Strong shapes never die?
The Roman Arch still kicking !
Has conveyance changed?
What has
changed?
Poly Tanks Above Ground
Poly Tanks
Below
Ground
GRP Tanks
Concrete Tanks
MetalTanks
What have these improvements
provided for us?
Easy Installation
Watertight?
History
TW Sectional View
The TW Tanks
Had a few
Issues
Injection
Molding
Precise Wall Thickness
Strength
IM Sectional View
Gasket
Horizontal
center
structure
provides
stability
and prevents
folding
Gasket “Christmas tree” design
“Branches” bend upon
engagement and contact
sufaces of groove to
create watertight seal
Step
1
Step
2
Step
3
Step
4
What’s
next?
• Insert Water Images
Thanks for
listening!
• Insert Water Images
Source:
History of Water Cisterns: Legacies and Lessons
Larry Mays 1,*, George P. Antoniou 2 and Andreas N. Angelakis 3
Published: 21 November 2013