Give a more detailed description of the design principle that used protection with dug pile in transformation of existing railway bridge and culvert construction in parallel paragraph.
施工为例，较为详细地介绍了铁路既有线改造工程并行段桥涵施工中采用挖孔桩防护的设计原理。
This paper analyzes quality problems and solution for the bridge and culvert construction of soft foundation through the use of soft ground treatment methods to ensure the quality of the project.
本文主要分析了桥梁和涵洞软地基基础施工出现质量问题的原因并提出了解决办法。通过采用软地基处理方法，从而保证工程质量。
The construction and design of steel stake cofferdam are introduced at building of bridge and culvert foundation.
介绍桥涵基础施工中钢板桩围堰的设计与施工。
Rational small bridge and culvert investigation, design takes important role in reducing construction cost, easy construction and giving a full play to highway usage performance after completion.
合理的小桥涵勘察、设计，对降低工程造价、方便施工及竣工后充分发挥公路使用效能具有重要作用。
The paper dissertate quality problems and control method to be ignored easily in the construction of roadbed and bridge and culvert by the writer's experience for years.
本文根据作者多年的监理经验，对高速公路路基桥涵某些容易忽视的质量问题和控制方法及注意事项进行了论述。
The bridge prefabrication and culvert and overhead jack-in of railway are key points for construction of railway overpass bridge and culvert.
铁路立交桥涵施工重点为桥涵预制和铁路架空顶进，桥涵顶进是立交桥施工质量控制的最重要的一个环节。
Construction of bridge and culvert can be conducted by many methods, such as primary jack-in method, across jack-in method, split jack-in method and slot jack-in method.
桥涵顶进施工采用多种方法，如：一次顶入法、对顶法、解体顶进法、开槽顶入法等，常用施工方法为一次顶入法。
Construction of bridge and culvert can be conducted by many methods, such as primary jack-in method, across jack-in method, split jack-in method and slot jack-in method.
桥涵顶进施工采用多种方法，如：一次顶入法、对顶法、解体顶进法、开槽顶入法等，常用施工方法为一次顶入法。
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