硅藻土具有无数的小孔和复孔，其孔隙率为80-90%，这就为截留固体颗粒提供了较大的空间。
With countless holes diatomite and complex hole, its pore rate for 80-90%, this is the intercept solid particles provide larger space.
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.
本文根据圆柱孔扩张理论分析了在单桩周围和群桩内部土中产生的打桩挤压应力，并与室内模型试验和工程实录资料作了比较。
Based on the cylindrical cavity expansion theory, the squeeze stress induced by pile driving in soils around a pile and inside cluster of piles is analyzed.
作为一种特殊土，其应力应变关系，孔压与应变关系是否存在归一化性状值得研究。
Being as a special soil its normalized behavior is worthy of being further studied in terms of stress-strain relationship and pore pressure-strain relationship.
通过对不同位置的桩间土的物理力学性能的试验比较，表明人工成孔挤密灰土桩对桩周土的挤密效果不明显。
The compaction effect of artificially drilled lime-soil pile is not obvious comparing test results of soils between piles at different position.
当粘粒、粉粒含量变化时粉土的动强度、振动孔压性状及液化后变形特性等问题都值得深入研究。
It is still deserved to study the liquefaction strength and dynamic pore water pressure and post-liquefaction character of silt when the clay particle content and silt particle content change.
同时提出了粉土孔压数值模型。
The authors proposed the model of pore pressure of the silt.
第二部分为地震动结束后到液化土中孔压消散时间所产生的地面位移。
Another is the ground displacement taking place after earthquake, which lasts from the end of earthquake to the period of excess pore pressures in sandy soil diffused out.
采用孔压静力触探（CPTU）测试资料进行土的工程分类时，在土成分和力学性状等相关性方面会产生很多不确定性。
A soil engineering classification derived from the piezocone penetration test(CPTU) involves the uncertainty of correlation between soil composition and soil mechanical behavior.
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.
通过设置静力释放孔、预钻孔取土减小压桩挤土效应。
Earth extrusion effect is alleviated by setting static force release perforations and pre-bored perforations during pile pressing.
由于试验挤土过程与孔扩张过程具有很好的相似性，故多采用柱形孔扩张理论对旁压试验机理进行分析。
The process of soil-squeezing is similar to cylindrical cavity expansion so that most of interpretation for SBPT is based on the theory of cavity expansion.
某建筑物基础采用人工挖孔桩，桩端持力层为花岗岩残积粘性土，经检测发现桩身完整而承载力远低于设计要求。
The manual hole digging pile was adopted in foundation of some building. Granite residual clay was chosen as the bearing stratum of pile tip.
该钻机主要用于土、岩锚杆、路基、坝基、挡土墙加固、爆破孔等钻孔工程以及高压旋喷孔的施工。
The drilling rig is mainly used in soil and rock anchoring, consolidation of road base, dam base and retaining wall, and blasting hole drilling and jet-grouting.
同时请尽早报与我公司矾土砖，炉渣，条孔砖，钢包转，热炉砖，绝缘材料，耐火土，衬里材料的价格。
Please also intimate the price structure of high alumina bricks, slag, tape holes bricks, ladle bricks, hot stove bricks, insulating materials, fire clay, lining materials etc at the earliest.
一种新型植草砖，它主要包括上砖面、底部承重面、腰部储土面、植草孔、排水孔。
A novel grass planting brick mainly comprises an upper brick surface, a bearing surface on the bottom part, an earth storage surface on the waist part, a grass planting hole and drainage holes.
在钻进过程中，应随时清理孔口积土，遇到塌孔、缩孔等异常情况，应及时研究解决。
In the drilling process, should be kept clean hole soil, encountered hole collapse, shrinkage and other abnormal situations, timely solution.
在钻进过程中，应随时清理孔口积土，遇到塌孔、缩孔等异常情况，应及时研究解决。
In the drilling process, should be kept clean hole soil, encountered hole collapse, shrinkage and other abnormal situations, timely solution.
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