Study on Spring back of Particleboard Mat after Prepressing;
刨花板板坯预压回弹率的研究
Analysis of prepressing contact in aluminium alloy resistance spot welding;
铝合金点焊预压接触分析
Since many plywood enterprises are faced with the prepressing problem of plywood,a series of designedorthogonal plywood prepressing experiments with several main factors influencing plywood prepressing property were made;the experiment results were analyzed and the most important factor influencing plywood preressing was found.
胶合板预压是目前许多胶合板企业所面临的问题,为此从影响胶合板板坯预压性能的几个因素入手,通过正交试验和对结果进行直观分析,找到了影响胶合板预压性能的主导因素,为后续解决快速预压问题做了必要的准备。
Calculations of soft foundation treatment sedimentation by vacuum preloading method;
真空预压软基处理沉降计算
In combination with the preloading engineering of an expressway by vacuum preloading combined with loading preconsolication, this paper analyzes the consolidation mechanism of vacuum preloading, discusses the construction factors influencing the effect of vacuum preloading consolidation, and points out common troubles and removing methods.
结合某高速公路的真空联合堆载预压工程,分析了真空预压的加固机理,讨论了影响真空?预压加固效果的施工因素,指出了常见故障及其排除方法。
Experimental analysis on effect of treatment of soft foundation with vacuum-accumulation loads combined with precompression technique;
真空-堆载联合预压处理软基效果的室内试验研究
The results showed that the second value of the honeycomb cardboard may not get the peak value as the first time does, and directly enters the yield stage, thus makes that its stiffness less and the cushion is better than unpreload.
通过压缩试验,研究了预压缩之后蜂窝纸板二次加载时的缓冲性能,并与首次加载时的缓冲性能进行对比分析,结果表明蜂窝纸板预压之后二次加载时没有首次加载时的峰值,直接进入屈服平台,其弹性阶段刚度小于首次加载,缓冲性能优于未预压的蜂窝纸板。
The water-filled preload method can be used to come up to reinforce the foundation, reduce the settlement and lower the cost effectively.
软弱非饱和土地基 ,常采用复合地基加固 ,但费用较高 ,采用充水预压加固可达到提高地基强度、减少工后沉降的目的 ,并可有效降低工程造价。
The quantitative relationship of the forecast to differential settlement of annular wall foundation of controlled water tests to preload large oil tanks is reserched and expounded briefly.
对大型油罐软弱地基充水预压试验中环墙基础不均匀沉降预测的定量关系作研究和简述 ;根据实测沉降资料 ,采用回归分析 ,提出了预测关系式 ,并对预测的主要影响因素作了具体分析。
This paper introduces a sort of screw feeder for pumping high concentrated viscose and dense materials, which can provide pressure and enough materials, also narrates the main principle and technology features especially.
本文介绍了一种适用于高浓度粘稠物料泵送系统中给浓料泵提供带有一定压力和足够供给量的预压螺旋给料装置,详细阐述了其主要结构、工作原理及主要特点。