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Trenchless construction --- Tunneling

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Metal culverts --- Trenchless construction. --- Evaluation. --- Maintenance and repair.

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Prepared by the Pipeline Infrastructure Committee of the Pipeline Division of ASCE. Trenchless Renewal of Culverts and Storm Sewers describes technologies used by engineers and transportation professionals in renewing culverts and drainage structures under roads, railroads, airport runways, streets, and similar structures. This manual covers topics such as safety, cleaning and inspection, condition assessment and evaluation, description of trenchless renewal methods, and lifecycle considerations. The chapter on renewal technologies presents background information, installation procedures, design considerations, installation requirements, asset management, and requirements for quality assurance/quality control and inspection. This manual will be valuable to engineers, agencies, consultants, and professionals involved with culvert and storm sewer renewal.

Storm sewers --- Culverts --- Pipelines --- Trenchless construction. --- Trenchless technology --- Sewers --- Highway and road structures --- Inspection --- Rail transportation --- Maintenance and repair.

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Standard Construction Guidelines for Microtunneling covers the planning, design, pipe materials, and construction of microtunneling, a trenchless construction method for installing pipelines. The North American definition of microtunneling describes a method and does not impose size limitations on that method. The tunnel may be considered a microtunnel if all of the following features apply to construction: the microtunneling boring machine is remote controlled, a laser guidance system is employed, a jacking system is used for thrust, and continuous pressure is provided to the face of the excavation to balance groundwater and earth pressures. This Standard is a vital reference for owners, engineers, contractors, and construction managers.

Pipelines --- Trenchless construction --- Microtunneling --- Construction materials --- Construction methods --- Building codes --- Standards and codes --- Construction equipment --- Pipe cleaning --- Pipe materials --- Design and construction --- Standards

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Prepared by the Direct Design of Buried Concrete Pipe Box Sections Standards Committee of the Construction Institute of the American Society of Civil Engineers Standard ASCE/CI 27-17 addresses the direct design of precast concrete pipe that will be installed using jacking, a type of trenchless construction. Successful installation of pipe using jacking techniques requires that the engineer design for loading conditions both during and after installation, as well as skillful placement by the installing contractor and precise fabrication of the pipe—all topics covered in this standard. Standard Practice for Direct Design of Precast Concrete Pipe for Jacking in Trenchless Construction covers piping intended for the conveyance of sewage, industrial wastes, stormwater, and drainage, as well as for utilities and access ways. It presents design and analysis methods that consider the interaction between the pipe and surrounding soil and/or grout envelope in order to determine the longitudinal loads that develop during jacking, as well as transverse pressure distributions and circumferential moment, thrust, and shear in the pipe wall. A procedure for calculating the required reinforcement in the pipe wall is included. Appendixes offer standard practice for manufacturing suitable pipe, managing jacking operations, and estimating the required jacking force. This Standard, a revision of ASCE 27-00, may be used as a reference in preparing project specifications for jacking in trenchless installations, and the limits state design procedure is consistent with the procedures outlined in the AASHTO Standard Specifications for Highway Bridges. It includes updates to correlate with the latest ASTM International and American Concrete Pipe Association (ACPA) documents. It will be useful to civil engineering design professionals, consultants, owners, and transportation officials.

Pipe, Concrete --- Precast concrete --- Trenchless construction --- Concrete pipes --- Jacking --- Trenchless technology --- Concrete construction --- Buried pipes --- Building codes --- Standards and codes --- Design and construction --- Standards