List of products by author: P. Jarast

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  Construction of Kenilworth Cut and Cover Tunnel in Minneapolis

  Abstract: Press-in sheet pile shoring is used for construction of part of the cut and cover Kenilworth Corridor Tunnel. This method is used due to limitation of ground movement along the railroad and at the adjacent buildings and minimal clearance between the railroad tracks or building foundations and the excavation support system. This innovative method helps minimizing construction noise and vibration...

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  Precast Concrete Tunnel Segments Slenderness Ratios

  Abstract: The slenderness of the tunnel segments is defined as the ratio between the breadth or curved length of segment along its centroid and its thickness. It is a key parameter for design of segment length between two longitudinal joints in a segmental tunnel ring. Review of tunnel projects show that rings are often divided into a number of segments that yields a segment slenderness of between 8 and...

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