Transactions of the Architectural Institute of Japan
Online ISSN : 2433-0019
Print ISSN : 0387-1177
ISSN-L : 0387-1177
5.AN INVESTIGATION OF PROGRESS CONTROL IN CONSTRUCTION (Part 5)
Kazuo Sasama
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1956 Volume 52 Pages 35-40

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Abstract

In the Transactions of A.I.J., No.51, the author has stated the principles of progress control in construction that (1) when the construction work has been delayed, the path which the actual progress curve should follow must be within the cross-hatched area and (2) the tangent of the actual curve should always be kept on the left side of point b after passing point a. In this paper the author states a few remarks on those principles in reference to practical examples. In cases shown below the construction work can kept on punctually, even though the above mentioned two conditions are not satisfied at the same time. Namely, I. When only the condition (1) is satisfied; (A) a case that the tangent of the actual curve is not kept on the left side of point b and also the tangent of the scheduled curve is designed in that way, or (B) a case that the tangent of the actual curve deviates from point b owing to extraordinary progress, II. When only the condition (2) is satisfied; (A) a case that the actual curve is not within the cross-hatched area at the early stage of construction period, or (B) a case that the actual curve is not within the cross-hatched area at the early and middle stage of the period.

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© 1956 Architectural Institute of Japan
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