通过工程实例，介绍大孔径扩大桩头人工挖孔灌注桩的施工方法及质量保证措施。
Based on the engineering practice, this paper introduced constructional technique and quality assurance measures of big bore hole digging and pouring with expansion pile head.
介绍了人工挖孔灌注桩的施工工艺流程，详细阐述了人工挖孔灌注桩的施工方法。
This paper introduces the construction process flows of the hand-dug filling piles, and expounds the methods for the construction of he hand-dug filling piles.
本文就人工挖孔灌注桩设计与施工经常遇到的问题进行论述，并提出了解决的办法。
This paper discusses some cautions at manual hole-digging and pile-pouring Designing and construction, puts forward some resolvents thereto.
城市建设中高层建筑越来越多，基础大多采用单桩承载能力很高的人工挖孔灌注桩。
The high buildings are more and more in urban construction, most foundations are artificial excavating grout piles with high bearing capacity.
泵吸反循环钻孔扩底灌注桩与人工挖孔灌注桩相比，地质条件的适应性强，施工安全可靠。
Compared to artificial digging-hole pile, the pumping reverse-circulation under-reamed bored pile has higher adaptability to geological condition, and its construction is safety and reliability.
人工挖孔灌注桩是一种经济实用的桩型，具有承载力高、灵活性大、施工噪音小、无振动等特点。
The manual digging pile is an economical and practical type of pile with the properties of high bearing capacity, great flexibility, low noise and no vibration of construction, etc.
针对人工挖孔灌注桩在施工时遇到的问题，如流沙、淤泥质土、地下水、岩石等，总结出一些解决办法。
In view of the problems encountered in the construction of pile setting by grouting man dug hole, such as flowing sand, silty soil, underground water and rock, some solutions are summed up.
山区公路桥梁人工挖孔灌注桩是一种常见的施工方法，其技术简单，易于掌握，具有十分广阔的应用前景。
The artificial dig hole perfusion stake of coteau road's bridge is one of the common construct method, which has the merits such as simple technology, easily mastery, and has wide prospect.
该工程基础原设计采用人工挖孔灌注桩，根据施工中出现的实际情况，又采用桩端压力注浆技术，取得了良好的效果。
According to the condition in the construction, the technique of pressure grouting of pile tip was adopted and obtained well effect.
对于非嵌岩人工挖孔灌注桩，本文提出根据土质条件多节扩头，即沿桩身设置若干个嵌坎的设想，对于提高单桩承载力，具有显著的技术经济效果。
In this paper, a new idea of increasing the load - bearing capacity of single pile is presented for non -rock -inlaid manual digging pile.
当地下条件较好时，人工挖孔桩通过合理的简化，可将其嵌岩灌注桩物理模型简化为端承桩，暂不考虑上部桩周土摩阻力。
If the geology condition is better, the physical model of man_dug pile can be regarded as end_bearing pile by reasonable simplification without considering the friction resistance of the soil.
人工挖孔扩底灌注桩是高层建筑常用的一种桩基础形式，其施工质量的好坏直接影响到建筑的结构安全。
Usually the poured pile by artificial excavation expanding bottom is one foundation pile style of tall building, whose quality can affect the structural safety of the construction directly.
通过实例介绍人工挖孔大直径扩底灌注桩工程量的计算方法。
The paper illustrates the calculation of the amount of work in man-operated well digging and pile depositing with the bottom enlarged in diameter.
文章主要介绍监理工程师在人工挖孔扩底灌注桩施工过程的质量控制。
This article mainly introduces quality control based on supervising engineer in course of the construction about the poured pile by artificial excavation expanding bottom.
工程基础采用人工挖孔嵌岩灌注桩，裙楼采用预应力平板楼盖，塔楼采用钢骨混凝土结构。
Artificial pile foundation set into rock, skirt building with prestress plane floor and tower building with steel reinforced concrete (SRC) structure are adopted in the project.
针对桩位偏移、桩孔倾斜、塌孔等旋挖钻孔混凝土灌注桩常见的质量问题，就其产生的原因进行了分析，并提出相应的预防措施和处理办法。
According to common problems on spiral excavation drilled-pouring pile, including deviation of pile, declivity of hole, slumped hole, it analyzes reasons and puts forward relative prevention measures.
通过工程实例，介绍利用旋喷注浆技术加固灌注桩挖孔内流砂层的设计、施工及效果检查。
The design, construction and result inspection were introduced through a example of project to reinforce sand-drift layer in excavated holes of grouting piles by rotating jet grouting technology.
通过工程实例，介绍利用旋喷注浆技术加固灌注桩挖孔内流砂层的设计、施工及效果检查。
The design, construction and result inspection were introduced through a example of project to reinforce sand-drift layer in excavated holes of grouting piles by rotating jet grouting technology.
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