Influence of confined pressure and consolidation stress ration on the dynamic characteristics of sandy pebble soil;
围压和固结应力比对砂卵石土动力特性的影响
Dynamic triaxial tests and analysis of sandy pebble soil in Sichuan;
四川地区砂卵石土动强度试验分析
Laboratory experimental study on dynamic elastic modulus of sandy pebble soil subjected to dynamic loading;
砂卵石土在动荷载作用下的动弹性模量研究
Therefore it is very important to carry on experiment for dynamic characteristics of sand pebble soil as to it s upper part structure and the foundation basal stabilities.
砂卵石土在四川地区有着较广的分布，因其具有压实性好，抗剪强度高，地震作用下不易液化等优良工程特性，在建筑工程中得到广泛应用。
The liquefaction of sand pebble soil in Sichuan region has been studied by dynamic triaxial text.
砂卵石土在四川地区分布广泛,具有压实性好、抗剪强度高、不易液化等优良特性,在工程建设中得到广泛应用。
Experimental study on influence of vibration frequency to dynamic modulus and damping ratio characteristics of saturate sandy pebble soil;
振动频率对饱和砂卵石土动模量和动阻尼比影响的试验研究
Grounded slag and fly ash mixing to match C60 concrete with broken pebble;
矿渣微粉与粉煤灰双掺配制C60碎卵石混用混凝土
Study on laws of incipient motion for pebbles with a wide size distribution;
宽级配卵石起动规律研究
A way to determine Es value of cobble and pebble by dynamic test thump number N_63.5);
用动测锤击数N_(63.5)确定圆砾、卵石Es值的方法
The survey data of gravel bed load in Cuntan station from 1996 to 2001 and Zhutuo station from 1975 to 2001were analyzed.
通过对朱沱站1975～2001年、寸滩站1966～2001年实测卵石推移质资料分析,结果表明,朱沱站从1991起、寸滩站从1981年起,卵石推移量系统减少,粒径细化,起动流速增加,水沙关系明显变化。
Based on a quantity of the field measured data of gravel, the trimming andanalysis were carried out and directed against the Chuanjiang and its distributaries of theUpper Yantze River as well as the Three Gorges Reach.
在收集大量卵石野外实测资料的基础上，主要针对长江上游的川江及其支流和三峡河段进行整理与分析，得到了卵石河床的床面组成、卵石推移质级配、卵石形态特征及其输沙率的变化规律。
The research results can provide reference for the study of the law of threshold motion and transportation of gravel.
本文对非均匀卵石的河床组成、颗粒暴露度的分布特性进行了分析研究,在此基础上确定了计算床面,可为非均匀卵石起动及输移规律的研究提供参考。
Application of cobble in Qinghai-Tibet railway;
卵石在青藏铁路施工中的应用
The formulae for calculating the strength of high-pumping concrete on cobble is obtained by optimal mixture radio.
从改善卵石界面过渡层的特性,增强卵石界面和水泥浆的黏结力出发,对混凝土外加剂和掺合料进行了选择和试验;经混凝土配合比优化,得到卵石高强泵送混凝土强度的计算公式。
The technical route and the successful practice by using cobble as coarse aggregate,and adopting multi-mix-method as method were introduced and analyzed.
介绍和分析了用卵石为粗骨料,利用多掺法配制C50泵送混凝土的技术路线和成功实践。