Portal (architecture)

Definition and stakes

George Thomas Clark,  Mediæval Military Architecture in England…

“ The northern gatehouse, that between the outer and inner wards, is destroyed; but the foundations show a passage 9 feet broad by 33 feet deep, which seems to have traversed a mass of buildings 84 feet broad by 30 feet to 40 feet deep. Of this, the part to the west of the portal, was a nearly rectangular building, 30 feet by 22 feet, having an entrance from the passage, and in its south wall a mural staircase. East of the portal is a much larger building still in part standing, and which seems to have been the keep. ”
Source: Gutenberg

George Thomas Clark,  Mediæval Military Architecture in England…

“ The gatehouse of the inner ward is placed upon the salient and central point of the cross curtain. It is called the Captain’s Tower. It is rectangular, or nearly so, about 32 feet each way, with a projection from the curtain of 18 feet. There is one floor above the portal, which is central. The gateway is a low drop arch, flanked by a pair of buttresses. The passage is vaulted, and has a door at each end, and at the inner end also a portcullis. Over the outside of the inner gateway is a ring of tracery, unusual, but effective. ”
Source: Gutenberg

George Thomas Clark,  Mediæval Military Architecture in England…

“ Also, in the main portals are four or five square holes or meurtrières in the arch, through which beams to form a stockade might be dropped. It may be observed further that although some of the portal passages are of considerable length, yet the ribs of their vaults are all transverse, never passing diagonally from an angle towards the centre, in the manner employed at Caldecot and elsewhere, to vault a compartment of such passages. ”
Source: Gutenberg

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