Subsoil

Effect and Mechanism of Subsoil Fertilization on the Albic Luvisol Improvement;

心土培肥改良白浆土效果及机理的研究

Pyrite Formation and Its Controls in Black Shales of the Buxin Formation(Lower Eocene) from the Sanshui Basin,Guangdong;

根据TOC/S、TOC/DOP、S/Fe关系以及S-TOC-Fe多重线性回归分析结果对三水盆地古近系土布心组红岗段黑色页岩中沉积黄铁矿的形成及其控制因素进行了分析。

Based on the bad stability property in the soft rock of two-way mountain tunnel in loess area and by means of the three-dimensional finite element method,the effect of the length of step and the length and the width of core soil on the longitudinal displacement of tunnel face,the plastic zone depth behind tunnel face and tunnel plastic area are analyzed.

针对黄土地区山岭双线隧道软弱围岩稳定性较差的问题,通过三维有限元方法系统地分析了台阶长度及核心土长度、宽度对隧道掌子面的纵向位移、塑性区纵向深度和横向大小的影响。

This paper probes into the ringlike drift heading method for multidrop tunnels with preformed core soil, introduces the construction flow sheet, the construction methods and construction control key points, and puts forward some measures for the quality and safety of the construction.

探讨了多线站场隧道预留核心土环形导坑法,介绍了施工流程图、施工方法及施工控制要点,提出了施工质量措施与施工安全措施。

After comparing of several schemes,Guangdong Huizhou Pumped Storage Power Plant chose the clay core wall rockfill dam for its four auxiliary dams.

粘土心墙堆石坝是应用最为广泛的坝型,但用于抽水蓄能电站的挡水坝在国内较少见,实践经验并不多。

There are five types of seepage control for the earth rock cofferdams of the Gongboxia Hydropower Station, that is, asphalt impervious wall, cast in situ concrete impervious wall, clay core wall, geomenbrane impervious wall and high pressure rotation spraying concrete impervious wall.

公伯峡水电站土石围堰布置 5种防渗型式 ,分别是沥青防渗墙、现浇混凝土防渗墙、粘土心墙、土工膜防渗和高压旋 (摆 )喷混凝土防渗墙。

Safety evaluation on clay core of main dam in Wuchuan reservoir;

乌川水库粘土心墙主坝的安全性评估

Aimed at special questions that there were many cracks in the joint segment of sluice and dam, in which the quality of clay core was disqualification, the method of filling grouting was planned to adopt.

针对闸坝接头段粘土心墙质量不合格、存在大量裂缝等问题,拟采用充填式灌浆法进行处理,但充填式灌浆试验结果表明:灌浆压力太小,不能灌进浆液。

This paper intreduces the research results of the FEM analysis of stress-strain in the earth-rock dam with clay core of Mau ping Stream in the Three Gorges.

介绍了三峡茅坪溪防护工程土石坝粘土心墙方案的应力应变有限元分析研究成果，表明大坝在竣工期或蓄水期心墙均未产生剪切或拉裂破坏，不会引起水力劈裂，心墙是安全的，论证了粘土心墙方案是可行的。

Analysis of compacted quality control of core material with compactness mechanism

从土的压实机理分析心墙土料的压实质量控制

Filling Standard of Earth Material and Measures of Engineering Treatment for Core Wall of Heihe Dam

黑河大坝心墙土料填筑标准及其工程处理措施

Test Study on Characteristic of Hydraulic Fracturing in Core of Earth-rockfill Dam

土石坝心墙料水力劈裂特性试验研究

Progress in research on anti-permeability properties of gravelly soil core material and filter material

砾石土心墙料-反滤料联合抗渗研究进展

The back-analysis of deformation parameters of core gravelly soil of the Nuozhadu high rock-fill dam

糯扎渡高心墙堆石坝心墙砾石土料变形参数反演分析

Application of gravelly soil to the impervious core of the dam for Xijinghe Reservoir

砾质土料在西静河水库大坝防渗心墙中的应用

Filling construction technology and method for gravel soil core of Nuozhadu Rock-fill Dam with Core

糯扎渡大坝心墙掺砾土料填筑施工工艺及方法

A hollow fired clay or concrete block used for building walls.

空心砖用粘土或混疑土烧制用于砌墙的空心材料

Property of impervious material for Taleghan clay core embankment dam and engineering measures

塔里干粘土心墙土石坝防渗土料的性质及工程措施

Study on Dynamic Properties of Core Material and Dam-Foundation Fine Gravel of Earth-Rock Dam;

土石坝心墙料及坝基细砂砾料动力特性试验研究

Broken gravel soil as impervious material for rockfill dam with core

滑坡堆积碎(砾)石土作为心墙堆石坝防渗土料的初步研究

The Properties of Spreading Gradation Gravelly Soil as Core of High Earth Rock-fill Dam and Numerical Simulation;

高土石坝宽级配砾石土心墙料特性研究及数值模拟

Study on the Fundamental Properties of Asphalt Concrete Cores for Embankment Dams--Research on Creep and Dynamic Character;

土石坝沥青混凝土心墙材料基本性能研究——蠕变和动力特性研究

firm concrete fencing

坚固的混凝土围墙材料.

Dispersion appraisal and modification analyses of the impervious soil materials for the core wall of the dam of “635” water control project

“635”水利枢纽大坝心墙防渗土料分散性鉴定及改性试验研究

Research on Analysis of Dam Observed Data and Safety Evaluation for Xi an Heihe Earth Core Rockfill Dam;

西安市黑河心墙土石坝安全监测资料分析与稳定性评价研究

Analysis and prevention measures for the cracks in heat insulation of lightweight aggregate concrete small-size hollow block wall

轻集料混凝土小型空心砌块墙体常见裂缝分析与处理措施

hollow concrete quay wal

空心式混凝土码头墙