Technical Characteristics and Related Discussion of Different Precast Utility Tunnel Types
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Abstract
Different types of precast tunnel and their characteristics are collected, and the related discussion is made in this thesis. Through the collection of engineering examples and manufacture information, we give the related introduction about the main types of precast tunnel: assembled precast municipal tunnel and composite precast tunnel. Meanwhile, waterproof, transport and hoisting are especially focused on as the main problems. The relevant data show that although the cast-in-place structure still account for the vast majority of the existing engineering, precast tunnel with its own unique advantages and potential has a wide prospect in engineering application
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