{"id":56001,"date":"2023-12-12T16:36:25","date_gmt":"2023-12-12T15:36:25","guid":{"rendered":"https:\/\/maccaferri-stage.softecspa.it\/in\/success-stories\/jaipur-kishangarh-expressway\/"},"modified":"2024-01-24T17:19:59","modified_gmt":"2024-01-24T16:19:59","slug":"jaipur-kishangarh-expressway","status":"publish","type":"stories","link":"https:\/\/maccaferri-stage.softecspa.it\/in\/success-stories\/jaipur-kishangarh-expressway\/","title":{"rendered":"JAIPUR-KISHANGARH EXPRESSWAY"},"content":{"rendered":"
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Problem<\/h3>\n <\/div>\n <\/div>\n <\/div>\n <\/div> \n <\/div>\n
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During the construction of Jaipur-Kishangarh Expressway, National Highway Authority of India (NHAI) identified some very busy intersections where three flyovers had to be constructed. In total, there were twelve approach walls and six crosswalls for the above three flyovers and NHAI decided to construct vertical walls where the maximum height was up to 12.2m. The embedment depth provided is about 3m below ground level in some stretches. The foundation soil was silty sand upto 3m depth. In order to avoid extensive foundation improvement schemes, reinforced soil wall was selected as the solution instead of conventional reinforced concrete solutions. The cost of the conventional solution considered was very high and the authorities wanted to have a system which is very flexible and simple to construct and to achieve overall economy.<\/p>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n

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Solution<\/h3>\n <\/div>\n <\/div>\n <\/div>\n <\/div> \n <\/div>\n
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Reinforced soil wall with concrete panels as facia and Paraweb\u00ae as reinforcement was selected as the best solution. Three types of panels were used as facia- the standard panels were T-shaped, some of the top panels were cruciform-shaped of varying height and the bottom panels used were half panels. Some special end panels and corner panels were also utilized. The connection between the panels & facia was done by galvanized toggles and loops. Polypropylene dowels were used to connect different types of panels. Pure frictional soil with angle of internal friction 30 degrees were used as structural fill. The project was completed three months ahead of schedule. The structure is well aligned. ParaWeb\u00ae strips are planar structures consisting of a core of high tenacity polyester yarn tendons encased in a polyethylene sheath. It is one of the first ever soil reinforcing material used in the world market and came into use from 1977. Paraweb\u00ae is available in different grades of strength varying from 30 KN to 100 KN and the roll lengths are of 100m.<\/p>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n <\/div>

Used Products<\/h2>
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Reinforced soil wall with concrete panels as facia and Paraweb\u00ae as reinforcement was selected as the best solution. 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