strata of soft 中文意思是什麼
strata of soft
解釋
軟土層-
Analysis on strata pressure of fully mechanized longwall coal mining face in soft roof, soft coal and soft floor seam
三軟煤層綜采長壁工作面采場礦壓分析 -
Based on the research works of predecessor, the theory on the displacement of soil strata in deep foundation excavation construction and its application are studied in detail. by analysing the supervision, statistics from, the practical excavation engineering, soil rheology is thought to be the main reason of the displacement heavy of the soft soil and the destruction of the enclosure structure, in deep foundation excavation construction on condition of the high theriomorphic of enclosure structure and good seepage resitting
本文在已有研究成果的基礎上，對大面積軟土深基坑開挖時土層變位理論及應用進行了探討：依據現場監測數據，推導出開挖時軟土變形的經驗公式，分析了軟土深基開挖在圍護結構剛度大、基坑防滲效果好的條件下，基坑土層變位、圍護結構受力破壞發展的主要原因。 -
Abstract : based on the data obtained from field observations and deformation monitoring, this paper deals with the deformation and failure of a double - decked slope composed of soft rock strata in its lower part and hard - brittle rock strata in its upper part. it is demonstrated that the deformation of this kind of slopes is always initiated by the non - homogeneous rheological compression of the lower soft rock strata, leading to the tension fracture and toppling of the upper hard rock strata, and at last the sliding of the whole deformed body will be caused by the shear failure along the stress - concentration zone in the lower soft rock mass under the actions of the gravitational loading and infiltration water
文摘:以現場考察和變形監測資料為依據，探討一個下部有軟弱基座，上部為硬脆性坡體的「二元結構」邊坡的變形破壞問題，揭示這類邊坡的變形總是以下部軟弱巖體的不均勻壓縮流變為先導，進而引起上部硬脆性坡體的拉裂與傾倒，最終通過滲入水的作用，使下部承載狀況已進一步惡化了的軟弱巖體，沿剪應力集中帶發生剪切破壞而導致整個變形坡體的下滑。 -
Since the shallow depth excavation is the main factor to cause ground settlement in shenzhen subway tunnel, this paper discusses some corresponding countermeasures including the improvement of ground property, appropriate draining of groundwater, scheduled excavation depth and width, etc, to control strata distortion and surface settlement, and argues that these measures are expected to effectively control surface settlement while constructing city subway in soft ground excavation
摘要針對深圳地鐵淺埋暗挖隧道施工中影響地表下降及地層變形的因素，提出了遵循「十八字」原則、改善土體特性、適度排放地下水、根據地層條件選擇施工方法、增大左右線隧道開挖面的距離、合理確定開挖進尺、提高施工效率、加強初期支護、及時施作二次襯砌等對策。 -
It has been proved that the design and construction organization presented in this thesis for the strata consolidation by means of high pressure shot grouting method be a success, and the design procedure and construction scheme can provide a guide for soft foundation treatment and waterproof in underground engineering
實踐證明，高壓噴射注漿法地層加固的設計和施工組織是成功的。本文提出的設計思路和施工組織方案對地下工程軟地基處理和防水止滲具有指導意義。 -
( 3 ) the hydrogeology parameters " acquisition and calculation principles of the deep well dewatering in the excavation in two - layer structure strata of soft soil zone. the acquisition and calculation method of hydrogeology parameters are discussed distraughtly according to different deep foundations
（三）介紹了軟土地區深基坑降水二元結構地層相關水文地質參數的求取原則，並分別討論了相應求取方法。 -
Effect of soft strata on peak acceleration of ground motion
軟弱夾層對地表加速度峰值的影響 -
Abstract : the experiment mechanism of strata around roadways is analyzed with the procedure simulation of resemble, combined with the deformation characteristics of roadway in coal mine. the resemble simulation experiment on procedure for the failure of soft laminate roof have been finished according to the result of experiment and computer simulation, and the results influencing on the practical project are analyzed
文摘:對模擬實驗原理進行了闡述，結合現場實際破壞特徵，對軟弱層狀巖石巷道的破壞過程進行了相似模擬實驗，根據試驗結果和計算機模擬結果，對其破壞過程進行了分析，對現場施工具有指導意義 -
2. the concept design is the key phase of the first stage of system optimization. the paper emphatically discusses with emphasis several issues difficulty to answer, such as the determination of the soil parameters, the soil pressure and the safety factor and the reliability of retaining structure, summaries and analyses the main geotechnical problems during the excavation on the four familiar geologic strata of saturation soft soil on the class i terrace of the yangtze river, aged - clay, expansive soil and loess and investigates carefully the patterns of deformation and destruction of pit slope in the saturation soft soil, puts forward three basic principles of selecting schemes of retaining structure, namely : facing to the problem, facing to the characteristics of excavation and environment
（ 2 ）概念設計是深基坑工程第一步優化? ?系統（方案）優化設計中的關鍵，文中重點討論了概念設計中的幾個難點問題，如土性參數的確定、土壓力的選取、深基坑工程的安全度和可靠度分析等；總結分析了飽和軟土、老粘性、膨脹土和黃土這四類常見地層條件下的深基坑工程中的主要巖土工程問題，其中重點研究了長江級階地上的飽和軟土深基坑邊坡變形和破壞模式，提出了選擇支護方案的基本原則，即：面向問題、面向基坑特點、面向周邊環境特點。 -
Influence on strata deformation for staged construction of excavation in soft clay
軟土基坑分步開挖時地層移動規律探討 -
Ground pressure patterns of big sectional set - up room in soft coal strata supported by bolting wire mesh and steel beam
煤層大斷面錨梁網支護切眼礦壓顯現規律
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