查询词典 subgrade

When the ratio of compressive modulus of superstratum and substratum is less than 3,academic diffused angles of natural subgrade with soft substratum under pressure in this paper are investigated.

对上下层土压缩模量比小于3的软弱下卧层的压力扩散角进行了研究，得出了扩散角理论值，可供相应工程参考。

Thusly, the research for space-mega-frame structures under consideration of subgrade deformation has very important theoretical and practical meaning.

因此，对考虑地基变形的空间巨型框架结构进行研究有着很重要的理论意义与实用价值。

This paper analyses the stability of subgrade embankment during construction and after completion on sloped weak ground using limit equilibrium theory.

为正确评价国家重点建设工程渝怀铁路斜坡软弱地基填方工程的稳定性，按照极限平衡法的基本理论，运用 Bishop法、Janbu法及 Ordinary法等，分析了在斜坡软弱地基上填筑路堤时其稳定性受断面参数，如地层坡度、软弱土层厚度、路堤高度而变化的影响趋势。

The paper introduced the actional principal of calcined lime pile strengthening wet and soft subgrade, size determination and construction technology, analysed its economical benefit.

介绍了采用生石灰桩加固湿软路基的作用原理、寸确定、工工艺，并对经济效益作了分析。

For the structural design parameters of flat - slab beamless pile structure which can be directly used for the low embankment of soft weak subgrade of passenger dedicated line, the analyses are made for the all performance indexes of the structure under the static and dynamic conditions by using a space calculation model.

研究方法：根据相关规范和规定，分析了既有特殊路基和桥梁结构工程，研究了各种构造的优缺点，针对客专拟定可直接用于工程的软弱地基低矮路堤的无梁板式桩柱结构设计参数，采用空间计算模型分析该结构在静力和动力情况下的各项性能指标。

Research purposes:Through doing overall researches,it is proposed to adopt flat-slab beamless pile structure for low embankment of soft weak subgrade,which can be suitable for ballast and ballsatless tracks and control the structure s settlement with easy construction and low construction cost.

研究目的：通过全面研究，提出软弱地基低矮路堤采用无梁板桩柱结构，保证结构可适应有碴及无碴轨道，达到结构沉降可控，施工方便，造价经济的目的。

Research conclusions: As a structure of low embankment of soft weak subgrade, beamless slab can satisfy the requirements of ballast and ballastless tracks and can control the structure＇s settlement.

研究结论：无梁板桩柱作为软弱地基低矮路堤结构可以满足有碴或无碴轨道结构的要求，工程沉降达到可控，技术成熟，施工不必碾压路基，简化了施工环节，方便、环保、节约土地，它的推广应用必将具有良好的社会及经济效益。

Therefore,test and research on subgrade treatment of cataclastic expansive rock,retaining and protection of high cut slope in crushing and weak rock,and new retaining structure types of high embankment slope,such as piles-plate wall of prestressed anchor wire,reinforced earth retaining wall of new type straps,are conduc.

对此，开展了碎裂膨胀岩路基边坡处理、破碎软岩路堑高边坡挡护和路堤高边坡新型支挡结构(锚拉式桩板墙，新型拉筋加筋土挡土墙)等项结合工程的科研试验，取得突出成果，为南昆铁路的顺利建成和安全运营提供了科学依据。

Through a great deal of indoor and outdoor testing, a rapid method with Portable Falling Weight Deflectometer to test subgrade resilient modulus is studied.

本文通过大量的室内外试验研究与分析，探讨了一种路基回弹模量的快速检测方法——便携式落锤弯沉仪(PFWD：Portable Falling Weight Deflectometer)法。

At the same time, the evaluations of pavement performance with FWD are researched based on the backcalculation results. We also analyse the mathematical basic of the solvability conditions for inverse problems, the dynamic problems of pavement and the dynamic backcalculation of subgrade modulus of PFWD (Portable Falling Weight Deflectometer).

同时，采用模量反算结果进行了FWD评价路面性能的应用研究，分析了反问题有解存在的数学基础，探讨了路面动力分析问题，并对PFWD的路基模量动力反算问题进行了研究。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。