[地質] 固結系數；壓實系數；土的物理性質壓密系數
The effects of soil friction angle and coefficient of consolidation on pile ultimate bearing capacity were both analysed.
固結系數決定着樁的極限承載力在初期的發揮，但并不影響樁的最終極限承載力。
The back-calculated results show that the coefficient of consolidation in Yangtze river delta is 1~2 magnitude greater than that measured in the laboratory.
反演分析成果表明，長江河口地區沉積物的固結系數相對室内試驗固結系數高出1~2個數量級。
The design value of horizontal coefficient of consolidation can be made by multiplying its standard value and design coefficient or by multiplying its mean and central design coefficient.
徑向固結系數的設計值等于其标準值與設計系數的乘積，也等于其均值與中心設計系數乘積。
The formulas for computing mean and deviation of the average consolidation degree of double-layered soil are derived as vertical coefficient of consolidation submitting to Gamma distribution.
隨着豎向固結系數的變異系數的增大，平均固結度的概率特性對豎向固結系數分布概型的敏感性由弱變強。
Under the conditions of the radius coefficient of consolidation being a gamma distribution, the formulas for computing central design coefficient are derived.
推導了徑向固結系數為伽瑪分布時中心設計系數的計算公式，并據此研究了中心設計系數的變化規律。
The central design coefficient is decreasing function of coefficient of variation of horizontal coefficient of consolidation, and increasing function of probability of failure.
中心設計系數是徑向固結系數變異系數的減函數，而是失效概率的增函數。
The degree of consolidation of soils is the function of water discharging distance, duration and coefficient of consolidation.
土的固結度是排水距離、固結時間和固結系數的函數。
The design value of radius coefficient of consolidation can be made by multiplying its standard value and central design coefficient.
徑向固結系數的設計值等于其均值與中心設計系數乘積。
The coefficient of consolidation is usually treated as a constant during the loading in the current design of preloading method.
目前的堆載預壓工程設計中，通常假定軟土的固結系數在加載過程中為常數。
There is a significant correlativity between the coefficient of consolidation and the consolidation pressure, as well as the coefficient of secondary consolidation and compression index.
同時，固結系數和固結壓力、次固結系數和壓縮指數之間均有較好的相關性。
The second section discribes the laws of coefficient of consolidation variation with pressure or void ratio.
其次，研究了固結系數隨固結壓力、孔隙比的變化規律。
Strain holding test(SHT), part of self-boring pressuremeter test, is one of the most effective in-situ tests in determining horizontal coefficient of consolidation(ch).
旁壓應變保持試驗（SHT）是測定土體水平固結系數的有效原位測試方法之一。
Coefficient of consolidation;
固結系數；
In routine design of sand drains, mean consolidation degree and mean strength increase are estimated, using only horizontal coefficient of consolidation.
排水固結法加固軟基有墊層排水和砂井排水兩類方法。采用的計算方法多數僅考慮地基加固層的平均固結度與強度的增長。
In consolidation tests, the common methods for evaluating coefficient of consolidation are Casagrande's log t method and Taylor's t method, both of which are graphical methods.
室内固結試驗确定固結系數常采用時間平方根法和時間對數法 ，這兩種方法均屬作圖法。
It is indicated that rheological characteristic of Xiao-shan soft soil is remarkable, and the over-consolidated ratio affects the coefficient of secondary consolidation significantly.
試驗結果表明，蕭山軟粘土具有明顯的非線性和流變特性，超固結比對次固結系數有顯著的影響。
It is found that the central design coefficient is a decreasing function of the variation coefficient of vertical consolidation coefficient and is an increasing function of probability of failure.
中心設計系數是豎向固結系數變異系數的減函數，而是失效概率的增函數。
Theses parameters include compression index, expansion index, coefficient of secondary consolidation and initial coefficient of re consolidation volume compressibility, et al.
這些參數包括壓縮指數、回彈指數、次固結系數、初始再固結體積壓縮系數等。
When the pressure is less than the preconsolidation pressure, the coefficient of secondary consolidation has no relation to the pressure.
當壓力小于先期團結壓力時，土的次團結系數與壓力關系不大；
The test results indicated that with the change of consolidation pressure, the coefficient of secondary consolidation shows a sound regularity with the variation of stress conditions.
試驗結果表明，隨着固結壓力的變化，壓實黃土的次固結系數表現出與當前應力狀态有關的變化規律。
The results were as follows: for the over-consolidated soils, coefficient of the secondary consolidation increased with load;
結果表明：對超固結土，次壓縮系數隨荷載增大而增大；
With the comparison and evaluation of all calculation methods of consolidation coefficient, a modified three-point method is put forward.
比較并評價了各種固結系數計算方法，改進了三點法；
The method for determination of consolidation coefficient of unsaturated clays is found based on Bardens solution.
首先介紹非飽和粘土的團結理論，并通過巴登的解，找到确定非飽和粘土團結系數的确定方法。
Furthermore, the variation laws of the pore water pressures and the permeability coefficient during the consolidation of the refuses are analysed.
并對垃圾土固結過程中孔隙水及滲透系數的變化進行了分析。
The design value of vertical consolidation coefficient is adopted as the product of standard value times the design coefficient or equal to the product of average value times the design coefficient.
豎向固結系數的設計值等于其标準值與設計系數的乘積，或者等于其均值與中心設計系數乘積。
The results indicate the distribution pattern of vertical consolidation coefficient influence greatly on the probability calculation of degree of consolidation.
分析結果顯示豎向固結系數的分布類型對固結度的概率計算有較大的影響。
The relationship of the secondary consolidation coefficient and the compression index is discussed.
研究了次固結系數與壓縮指數關系；
Comparing with two methods above, the affection of the impact coefficient from external prestressed consolidation is acquired.
通過兩者的對比，得出體外預應力結構對簡支梁橋沖擊系數的影響。
|compaction coefficient/compacting factor;[地質]固結系數；壓實系數；土的物理性質壓密系數
固結系數（coefficient of consolidation）是土力學中表征土體固結速率的核心參數，主要用于計算飽和黏性土在外部荷載作用下孔隙水排出及體積壓縮的時間依賴性。其物理意義為單位時間内土體完成固結的程度，單位通常為平方米/年（m²/yr）或平方厘米/秒（cm²/s）。
該參數由Karl Terzaghi在1923年提出的經典固結理論中首次定義，公式為： $$ c_v = frac{k(1+e_0)}{a_v gamma_w} $$ 其中，$c_v$為固結系數，$k$是滲透系數，$e_0$是初始孔隙比，$a_v$是壓縮系數，$gamma_w$為水的容重。其數值與土體類型密切相關，例如高塑性黏土的固結系數通常在$10^{-8}$至$10^{-7}$ m²/s之間，而粉土可能達到$10^{-6}$ m²/s量級。
實際工程中，該系數通過固結試驗（如ASTM D2435标準試驗）測定，用于預測建築物地基沉降進程、評估填土工程的穩定性，以及設計排水砂井等地基處理方案。美國土木工程師學會（ASCE）的研究表明，固結系數誤差超過20%會導緻沉降時間預測偏差達40%以上，凸顯其精确測定的重要性。
Coefficient of Consolidation（固結系數）是土力學中的關鍵參數，用于量化飽和土體在荷載作用下排水固結的快慢程度。以下是詳細解釋：
定義與意義
固結系數（符號通常為$C_v$）反映土體孔隙水排出和有效應力增長的速率。其值越大，土體固結完成所需時間越短。該參數在工程中用于預測地基沉降時間，對建築穩定性分析至關重要。
計算公式
固結系數的計算公式為：
$$
C_v = frac{k(1+e)}{gamma_w a}
$$
其中：
影響因素
應用與測試
通過固結試驗（如室内固結儀試驗）測定，常用于地基處理設計（如預壓法、排水闆法）。實際工程中需區分豎向固結系數$C_v$與水平向$C_h$，尤其在軟土地基處理時。
如需進一步了解固結理論或具體試驗方法，可參考土力學教材或工程地質手冊。
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