Test results proved that this method is proper for many conditions, can provide design supports for designers and has advantages in pile foundation tests.
试验结果表明,该法可适用于多种条件,为设计单位提供了设计依据,显示了其在桩基测试中的优越性。
Combined with practical work the construction technology of post-grouting bored pile is introduced and discussed from test pile, construction procedure, pile foundation test and other aspects.
介绍了后压浆钻孔灌注桩的施工工艺,结合工程实例,从试桩、成桩工艺、桩基检测等方面进行了论述,指出后压浆钻孔灌注桩工艺具有承载力高、工程造价低的特。
This paper introduces the test results and calculative method by using the composite foundation of sand-stone pile and concrete pile with low strength.
本文通过试验与工程实践,介绍采用碎(砂)石桩及低强度混凝土桩组合构成复合地基的试验成果、计算方法及应用检测成果。
This paper illustrates principle of the peculiarity of signal test based on wavelet analysis, and extracts the peculiarity of signal test in pile foundation.
本文阐述了利用小波分析来检测信号的奇异特征的原理,并对桩基础检测信号的奇异性进行了提取。
Precast pile driving test is performed to investigate its possibility in gravel pile composite foundation with settling tube.
为了研究在沉管碎石桩复合地基场地中沉入预制桩的可能性,进行了预制桩沉桩试验。
Aimed at the pile foundation in frozen soil of a high voltage transmission line project in Xinjiang Region, a laboratory tensile model test is carried out under artificial frozen condition.
以新疆地区某高压输电线冻土桩基础受力分析为背景,在人工冻结条件下,进行了单桩的室内抗拔模型试验。
The loading test of composite foundation reflects the comprehensive bearing capacity and characters of pile and soil.
复合地基载荷试验综合反映了桩及桩间土的承载性状。
Through research and test on the composite foundation bearing capacity of cement soil pile used in the railway line, the regulation of piles and soil is analyzed.
通过对某铁路专用线粉喷桩复合地基承载特性的测试试验,分析了桩、土应力的变化规律。
The field loading test of single pile and three piles composite ground are studied combining the construction of lime-soil compacted pile in collapsible loess foundation.
结合灰土挤密桩处理湿陷性黄土地基工程实际进行了单桩、三桩复合地基静载荷现场试验。
The gravel pile and CFG pile composite foundation is tested, and the load-bearing test of CFG pile is made.
对碎石桩、CFG桩组合型复合地基进行了检验及CFG桩的载荷试验。
Gravel pile; Composite foundation; Static load test; p.
碎石桩;复合地基;静载荷试验;桩土应力比。
Two-velocity analysis method can develop the pile integrity test, average wave speed and wave-up curve separated from measured signal under the condition of existed foundation.
采用双速度测试和分析技术可以解决在既有基础下基桩的完整性、平均波速以及从实测信号中分离出上行波曲线。
The self-Balanced method is a new technologies of foundation pile static load test, vertical compression pile is closer to the actual working conditions of a test method.
自平衡试桩法是一种基桩静载试验新技术,是接近于竖向抗压桩实际工作条件的一种试验方法。
By using a complete engineering example, this paper gives the data of static load test and the data of settlement observation of treated single pile and single pile complex foundation respectively.
文章介绍了一个完整的工程实例,并给出了处理后的单桩和单桩复合地基静载荷试验数据和沉降观测数据。
The presented results are of important significance to optimizing design of the cement soil pile composite foundation and deciding the time of the loading test.
掌握单桩承载力的时间效应规律,对粉喷桩复合地基的优化设计及确定载荷试验的时间具有重要的意义。
Gravel pile; Composite foundation; Static load test; Pile-soil stress ratio.
碎石桩;复合地基;静载荷实验;桩土应力比。
Test results show that composite foundation scheme of the post grouting CFG pile satisfies requirements of design, which proves that this scheme has good economic benefit.
检测结果表明,该后压浆CFG桩复合地基满足设计要求,具有良好的经济效益。
Some problems should be paid attention to when the bearing capacity of the combined composite foundation is calculated from the loading test results of single pile.
同时指出了根据单桩静载试验结果计算组合型复合地基承载力时应注意的问题。
According to the local scouring around the pile foundation of the pylon, a normal movable-bed physical model test is conducted to predict the local scouring and is verified by the field measured data.
针对群桩墩处河床局部冲刷的复杂性,运用正态动床物理模型较好地预测了桥墩附近河床局部冲刷,并获得了现场监测结果的验证。
Pile foundation is widely used in construction in Shanghai region, but the site test data on bearing capacity of pre-cast concrete pile based on cohesive soil were lower than theoretical level.
上海地区建筑工程普遍采用桩基,但以粘性土为持力层的预制桩实测承载力普遍低于理论值,主要是因为休止期较短及对端承力作用认识不足。
The results of plate loading test and low strain dynamic testing show that the quality of CFG pile composite foundation is good and subgrade bearing capacity has been improved successfully.
现场载荷试验及反射波法低应变动力检测试验表明,CFG桩桩身完整性很好,复合地基的承载力提高显著,证明该工程的CFG桩复合地基设计及施工是成功的。
Site test result and calculation formula establishment of pile-anchored foundation are introduced in this paper.
通过现场实验得出有关锚桩基础的特点并建立计算公式。
The contents concerned in the paper include: the schematic design of foundation treatment, the test pile and test consolidation, the construction and monitoring of foundation treatment etc.
文中涉及的内容有地基处理方案设计、试桩和试夯、地基处理施工和检测等。
The results show that the revised test value of the bearing capacity of combined pile composite foundation under the loading …
采用桩间土的压缩模量乘以承载力的提高幅值,所得复合压缩模量计算组合桩型复合地基,最终沉降满足工程要求。
The conception of stress ratio of composite pile-soil was put forward on the basis of test data of composite foundation of rigid pile with cap to describe its mechanical behavior.
在分析带帽刚性桩复合地基试验成果的基础上,提出复合桩土应力比的概念,以合理反映带帽桩复合地基的力学性状。
It is shown that the thickness and material of cushion have great influence on the bearing capacity of composite foundation with CFG pile in loading test, and there is a match problem between them.
认为垫层厚度和材料对CFG桩复合地基的承载力性状有很大影响,两者之间有个匹配问题。
It was shown by these test data that the NSF along piles induced by seismic settlement of loess was significant and should not be ignored in the design of pile foundation.
试验的观测结果表明,地震诱发黄土震陷时的桩基负摩阻力不容忽视,应当在桩基设计时加以考虑。
The pile groups efficiency is larger than 1 in the condition of the test. The coaction of pile-soil-cap should be considered in optimum design of pile foundation.
认为类似该场地条件下群桩效率系数大于1,在实际的工程桩基设计中应考虑共同工作以优化设计。
The pile groups efficiency is larger than 1 in the condition of the test. The coaction of pile-soil-cap should be considered in optimum design of pile foundation.
认为类似该场地条件下群桩效率系数大于1,在实际的工程桩基设计中应考虑共同工作以优化设计。
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