hello hamid naveed sir,
i think you have a wonderful collection of mails. i use to browse a lot for such contents and i'm so glad that i could access such materials here in this portal. at first i felt irritated seeing tons of mails in my inbox (as i could access my account only on weekends). but later on, when i went through the mails i found some important things which i were actually searching for long. thankyou sir.
all good wishes for you
--- On Sun, 1/3/09, hamid Naveed <hnarb@...> wrote:
From: hamid Naveed <hnarb@...>
Subject: [engineeringcivil] Arch structures
Date: Sunday, 1 March, 2009, 11:20 AM
|Royal Albert Bridge, Saltash. This historic bridge, built by I. K. Brunel in 1859, consists of a combination of tube arch ribs and suspension chains. Each span is 465 ft. (Cornwall, England)|
|Highway bridge. This arch bridge is designed as a concrete shell. The variation in overall arch section as viewed in elevation would make the structure behave in manner similar to a 3-hinged arch. (Vienna, Austria)|
|Highway bridge. View underneath the shell arch along the axis of the bridge taken from close to one abutment. (Vienna, Austria)|
|Highway bridge. Close-up of one support point. High stresses at the point of contact of shell and ground are shown by the marked crack lines in the concrete. (Vienna, Austria)|
|Highway bridge across the river Arno. This is the first of two slides showing extreme differences in the rise/span ratios of arches. This prestressed concrete bridge replaced an older bridge destroyed in World War II. (Pisa, Italy)|
|Gateway Arch. This free-standing arch is 630 ft. high and the world's tallest. Built of preassembled triangular section of double-walled stainless steel, the space between the skins being filled with concrete after each section was placed. (St. Louis, Missouri)|
|Gateway Arch. Base of the Gateway Arch. The size of cross-section of the arch rib can be seen by comparison with the figures on the ground. The section of the arch at the base is an equilateral triangle with 90 ft. sides. The arch is taken 45 ft. into bedrock. (St. Louis, Missouri)|
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