增加曲线模型自身的特点,决定了它能很好地拟合一级荷载下的地基沉降-时间曲线,这已得到了验证。
The logistic curve model can well simulate the settlement-time curve of foundation under uni-level loading with its own virtues, which has been validated by others.
运行设计应满足沉沙池运行水位、设计入池流量、含沙量、泥沙沉降设计标准和运用时间等运用条件。
The operation design must meet with its operation conditions of the operation level, design inflow discharge, sediment concentration, sediment settlement design standard and the operation time.
所研究的水泥浆配方体系具有:可流动时间长、沉降轻微、塑性粘度和屈服值小及凝固后具有较高的抗压强度等特性。
The formulation system is of the characteristics of long mobile time, light settling, small plastic viscosity and yield value, higher compression strength etc.
在高速公路施工过程中,沉降预测是正确决定路面铺设时间的关键。
Settlement prediction is the key factor to determine time of pavement construction during construction of expressway.
应用基于内蕴时间理论的土流变性研究的有关结论对地基沉降问题进行了探讨。
Ground settlement is discussed based on relevant conclusion of rheologic property of soil with intrinsic time theory in this paper.
在路基填筑施工过程中,根据沉降观测数据用时间序列分析方法建立等维信息动态预测模型。
During the filling construction of the roadbed the total settlement value could be predicted by using time series equal interval prediction model of recent information.
建立了ARMA(1, 1)模型来对公路施工填筑期间的沉降进行短期预测,进而对下一级加载的时间进行预测。
ARMA (1, 1) model is established to forecast the settlement during constructing subgrade and the time for next load.
计算结果表明,水位在经历较长时间降水后才获得稳态,其引起邻近桩基的附加沉降不大。
Results shows that the water level is stabled over a long period of time after water lowing and the subsidence thus caused of the adjacent pile foundation is not so much.
探讨了用二氧化氯处理水时其加入量、浓度及沉降时间对处理效果的影响。
The influences of addition amount and concentration of chlorine dioxide as well as settling time on the effects of water treatment with chlorine dioxide are studied.
为避免温度对观测成果的影响,沉降观测时间选择在上午进行,不宜选择在中午;
We can choose the Monitoring time in the morning not at the noon to avoid the effect of temperature on the observation results.
软土地基由于其承载力低,受荷载作用后产生很大的变形,并且要持续较长时间长能稳定,往往需要进行人工处理才能使公路的工后沉降满足规范的要求。
The soft ground need to be treated in order to satisfy the demands of the settlement after loading of the highways because of its low bearing capacity and great deformation.
基于分级加荷沉降预测理论,建立了超载卸荷时间快速预报方法。
By means of the theory of settlement prediction for stage constructed embankment on soft ground, the procedure to forecast the surcharge removal time was established.
因此样品采集回来后样品的自然沉降时间是影响地表水中总磷测定结果的一个主要原因之一。
Therefore, after being gathered, the static balance time of sample is one of main factors that affect the detecting result.
通过沉降时间观察其分散性,采用激光粒度仪、扫描电镜、原子力显微镜对分散效果进行进一步分析。
Then the dispersity was evaluated with settlement time. And laser particle size analyzer, SEM and AFM were employed to confirm the results.
实例分析和计算表明,多层递阶时间序列模型能较好地反映参数的时变特性,取得较精确的沉降预测结果。
The case result shows that the multi-layer recursive time series model is effective in analyzing the time-dependent characteristics of parameters, and has considerable prediction precision.
总剂量从沉降物抵达时开始就不断上升直到极限值(无限时间)。
The total dose increases continuously from the time of arrival of the fallout toward the limiting (infinite time) value.
我公司对各种规格的硅微粉均可提供活性硅微粉,沉降时间不少于45分钟。
We also can supply active silica powder of every specification, Sediment time not lower than 45 minutes.
它们的沉降速率很大,所以它们在合理的短时间内在大气中沉淀下来。
They have large sedimentation velocities that they settle out of the atmosphere in a reasonably short time.
软土地基具有承载力低、沉降量大、固结完成时间长等不利的工程特性。
There are many unfavorable engineering characteristics for soft soil foundation, such as low bearing capacity, high settlement and long consolidation time.
以初显分离时间和沉降率为性能指标,分析了磷酸酯(香芋)淀粉与PVA的混溶性。
Take the time of the first separation and sinker rate as property indexes, compatibility of phosphate starch and PVA was analyzed.
采用特殊设计的气体引出方式,大大缩短了油气在沉降器内的平均停留时间。
The average residence time of oil gases in the disengager is also shortened by adding an unique device for gas withdrawl.
结合具体工程实例,证实泊松曲线很好地反映了路基沉降过程中沉降量与时间的“S”形关系。
Then the model has been used to forecast some project, the result prove Poission curve exactly reflect the "S" relation between settlement and time.
就洁净室中沉降菌测试时间的长短进行了探讨。
In this paper, the test time of sedimentated bacteria in the cleaning room was discussed.
本文根据沉降理论,应用分离因数的概念,提出了预测饮料中颗粒沉降时间的方法。
According to subsidence theory and separation factor concept, new method of Prediction of subsidence time of granule in beverage was presented.
用平稳时间序列分析方法建立随机部分模型,并预测沉降随机部分值,二者之和即为某时期沉降预测值。
The random settlement could be gotten by random prediction model that is established by smooth and stable time series analysis method.
宁波市地下水为消耗型开采,在时间、空间和程度上,地面沉降与地下水开采量有极密切的关系。
The exploitation of ground water in Ningbo City is of exploiting type, and therefore, the surface subsidence is initially associated with exploitation quantity of groundwater in time space and degree.
根据沉降试验过程中澄清水层高度与沉降时间的关系,可推导出浓缩层浓度与沉降时间、沉降高度的关系。
The relationship of the density of compaction layer with the settling time and height isdeduced from that of the height of dear water layer with the settling time during the settling experiment.
目前对粉体粒度的测量大多采用沉降法等常规方法,存在测量时间长、测量步骤多、测量准确度受主观因素影响大等许多不利因素。
There are some disadvantages in these routine methods, for example, they take many steps and cast much time, and the accuracy of results is affected greatly by subjective factors of human inspectors.
分析表明,预报系统不仅能定性预报沙尘天气的空间分布与时间演变,而且能定量预报沙尘源地、大气中的沙尘浓度、沙尘的输送以及沉降。
Analysis shows that the system not only can quantitatively predicate the spatial distribution and temporal change of the dust, but also the source, density in the air, transfer and deposition.
结果表明,沉降速率与沉降、剩余沉降均呈线性关系,沉降速率的对数与固结时间成正比。
The result indicates that the relationships between settlement-velocity and settlement, remnant settlement are linear, and logarithm of settlement-velocity is linearity with consolidated time.
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