曲线顶管施工技术以其特有的优势和应用领域，越来越受到重视。
Because of the advantages and application fields, curved pipe jacking technology is paid more and more attention.
随着环境问题越来越受到重视，作为非开挖的顶管施工技术应用也越来越广泛。
With the environment getting more attention, the use of not-dig pipe jacking technology has become more extensive.
鉴于砂土地层中超长距离曲线顶管施工技术在国内外少有研究，本文重点探讨了砂土层中长距离曲线顶管施工中有待解决的几个技术优化的问题。
Several problems about optimization techniques which belong to long distance curved pipe-jacked technology in stratum of sandy soil have been put forward in this paper.
重点介绍超前预支护中新型的顶管加固法，为地下工程施工技术的选择提供参考。
New pipe curtain method is detailedly dissertated, which can provide a reference to the selection of construction technology of underground engineering.
由于顶管两侧地质条件差，工作井和接收井平面尺寸大，选择合适的施工技术显得尤为重要。
It is more important to choose suitable construction technology owing to poor geological conditions and large dimensions in terms of operation shafts and receiving shafts.
文中结合实际工程，介绍了人工挖土顶管方法的设计与施工及关键施工技术要点。
According to an engineering case, the paper introduces the design and key points of construction of pipe-jacking techniques.
本实用新型涉及一种用于地下铺设管道的微型顶管机，属于通信施工技术领域。
The utility model relates to a mini-size push bench for underground pipe laying, which belongs to communication construction technical field.
本实用新型涉及一种用于地下铺设管道的微型顶管机，属于通信施工技术领域。
The utility model relates to a mini-size push bench for underground pipe laying, which belongs to communication construction technical field.
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