Soil Dynamics by Shamsher Prakash

By Shamsher Prakash

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A study of the voussoir arch. National Building Studies Research Paper No. 11. HMSO, London, 1951. 2. Castigliano. Elastic Stresses in Structures. , 1919. 3. Pippard A J S. The approximate estimation of safe loads on masonry bridges. Civil Engineer in War, Vol 1,365. Inst. Civ. , London, 1948. 4. Military Engineering Experimental Establishment. Classification (of civil bridges) by reconnaissance and correlation methods. MEXE. Christchurch, 1963. 5. Chettoe C S, and Henderson W. Masonry arch bridges-a study.

In addition, the County has a good selection of various types of concrete and steel bridges and also 15 mechanically operated opening bridges. PLAN OF ACTION FOR UPGRADING THE CONDITION OF THE BRICK ARCH STRUCTURES In view of the poor condition of the smaller structures in the County, it was decided that the following plan of action should be followed. Smaller culverts round about the 1 metre span were not easily accessible for major repairs. For this reason a decision was made to commence a 10 year reconstruction programme.

Specialist teams of workers - initially the County Council's Direct Labour Organisation, and later contractors were employed to carry out major maintenance to the structures on a rolling programme. 40 GENERAL Each bridge, when repaired, would be totally renovated, ideally so that no further work would be required for, say, 10 years. Work would include underpinning the bridge abutments with concrete. This would often require damming off the stream beds and carrying out the repair of small sections at a time to prevent collapse of the abutments.

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