Hi,
I'm looking for information about the maximum hight, up to which cereals could be stored in roman horrea, or in medieval or early modern granaries. Lars Blöck mentioned a value of 0,9 m (Blöck 2013, 86). Alain Ferdière (2015, 39) cites a value of 0,3 m. Has anyone alternative figures? I'm especially interested in dehusked spelt.
Best regards,
Stefan Wenzel
Lars Blöck, Die Erweiterung der Getreidespeicherkapazitäten der Axialhofvilla Heitersheim in ihrer 4. Bauperiode – Binnenkolonisation oder Konzentrationsprozesse im ländlichen Raum im ausgehenden 2. Jahrhundert n. Chr.? Ein Modell zur Berechnung von Getreideanbauflächen anhand der Speicherkapazität römischer horrea. Alemannisches Jahrbuch 59/60, 2011/2012 (2013) 81–111.
Alain Ferdière, Essai de typologie des greniers ruraux de Gaule du Nord, Revue archéologique du Centre de la France [En ligne], Tome 54, 2015.
URL : https://racf.revues.org/2294
Hello. I think a height of 20 to 30 cm is the maximum (personal experience in my farm). Best regards, Olivier.
Hello. Many thanks for your answer. This helps me a lot.
Best regards,
Stefan
I think the most constraining element is the strength of the frame and the floor.
For example, in a silo above ground, it is possible to store grain on about 2 m high if it is well dry, without special ventilation.
On a floor, I stored wet grain to a height of 20-30 cm, and moved it very often for drying. It was already very heavy for the structure ...
So both the figures given by Blöck and by Ferdière are realistic. Again many thanks. What I don't understand is how a raised floor may have offered a better circulation of air. If a floor is suitable for pouring grain onto, there should be no more circulation of air possible.
it is likely that the wood absorbs some of the moisture of the grain and allows interaction with the atmosphere. You can also consider the use of trays (or canvas) interposed between the grain and the more or less hermetic floor
This again, is of great help to me. Thank you! As I have to consider a stock of dehusked spelt (carbonized when the horreum was burnt down in the 5th century) - this must have a relatively dry bulk material, because it had to been dry in oder to be dehusked?
Hansjörg Küster, Am Anfang war das Korn: Eine andere Geschichte der Menschheit (München 2013).
https://books.google.de/books?id=UY3qAAAAQBAJ&lpg=PT149&ots=Hc5hnRy_QT&dq=Dinkel%20entspelzen%20trocken&hl=de&pg=PT149#v=onepage&q=Dinkel%20entspelzen%20trocken&f=false
Yes. We must also consider the presence of wheat sheaves (which aerate more easily than bulk grain).
This Wikileak (in French) is very well done (in my opinion)
https://fr.wikipedia.org/wiki/Stockage_des_c%C3%A9r%C3%A9ales
Thank you for this link! This is article provides indeed comprehensive informations, and the recent examples of granaries are instructive and beautiful. I will use the bibliographic informations.
Best regards,
Stefan
THE POINT REQUIRES CLARIFICATION WHETHER CEREALS ARE PACKED OR TO BE KEPT IN BULK. IF PACKED IN JUTE OR HDPE , IT CAN GO UPTO 15 FEET, IF IN BULK IT WILL DEPEND UPON VARIOUS FACTORS LIKE TYPE OF STRUCTURE/ ITS STRENGTH ETC.
Hi,
the cereals were very probably kept in bulk. According to 18th century sources collected by Lars Blöck (2013, p. 86; cited above) sacks were only used for transport.
The late Roman granary (circa 330-430 A.D.) has a rectangular ground plan of 21.5 x 11.5 m. Its walls were 1.4 m thick and in the interior of the building there were 10 stones with cavities to hold pillars supporting the floor.
Best regards,
Stefan
Hi,
the height of structure and angle of repose of a particular cereal item will determine the height of the commodity, during storage, presuming that walls and floor have sufficient load bearing capacity,
regards,
I C CHADDA
Hi,
many thanks for your answer. But my question aims rather not at the physical properties of a conical heap of loose material, but at the "biological" properties of the cereals, which should not mould or even ignite.
Best regards,
Stefan Wenzel
HI,
SORRY NO SUCH REPORT WITH ME BUT IT WILL ALSO DEPEND UPON MOISTURE CONTENT AT THE TIME OF RECEIPT.
BEST REGARDS
Hi,
in the granary I'm dealing with the spelt was dehusked and probably kiln-dried before dehusking. Do you have information on the properties of cerals treated in this way?
Best regards
in case of food grains, the godowns of FCI stacked cereals upto 10-12 layers of 50 Kg gunny bags. Actually the grains are non crusable commodities, so it can be stored upto this height. This height is recommanded for grains dried at safe mositure content. This is just a knowledge which i got on visiting the godowns, so i didnt have referance for it.
Regards
Hi,
thank you very much for your helpful answer. Real life is at least equal to any reference.
Best regards,
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