在此基础上研制出LSS塑性水泥体系。
通过实验,研究了几种外加剂对湿塑性水泥土的增强作用及其增强机理。
By experiment, the strengthening effect and mechanism of several additives to the humid-plastic cement soil are studied.
从水泥在水泥-水-粘土系统中水化的特点出发,阐述了湿塑性水泥土的强度形成过程。
The strength forming process of humid-plastic cement-soils is expatiated based on the characterization of the cement hydration process in cement-water-clay system.
本文通过试验研究了以兰州九州台黄土为原料的塑性水泥黄土的强度及化学外加剂对强度的影响。
In this paper, the strength of plastic loess - cement using loess from Jiuzhoutai, Lanzhou as the raw material and the effect of the chemical admixtures on the strength are studied by experiments.
塑性水泥可以很好地解决水泥环的脆裂问题,它通过掺入高强度纤维,不仅可增加水泥石的强度,而且可改变水泥石的弹性。
Plastic cement solves cracking problem of cement sheath successfully. With high strength fiber added in, not only the strength, but also the flexibility is increased.
浮鞋的内部(包括锥型段部分)通常由水泥或热塑性材料组成,如果在套管鞋处井眼还需要继续加深的话这种材料必须被钻掉。
The inside (including the taper) is usually made of cement or thermoplastic, since this material must be drilled out if the well is to be deepened beyond the casing point.
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.
随养护时间的延长,水泥石低压应力下的弹性形变恢复能力和高压应力下的塑性形变能力均降低;
When curing time increasing, cement stone's elasticity deformation restorability in low stress and plasticity deformation capacity in high stress decreased.
采用自行设计的水泥砂浆塑性收缩应力测试装置研究了低掺量下聚丙烯纤维对水泥砂浆塑性收缩应力影响。
In this paper, the effects of polypropylene fibers on the plastic shrinkage stresses of the cement mortars were investigated by use of self-designed plastic shrinkage stresses measuring device.
做为环境友好红色颜料,替代镉红及铬红。应用与热塑性树脂、热固性树脂、醇酸树脂、橡胶其他聚合物以及水泥、涂料等。
As a substitute of cadmium red and chrome red, is a match environment red pigment. Used in thermoplastic resin, thermosetting resin, alkyd resin, rubber, other polymer and cement, coating.
土体污染和浸泡环境下水泥土试块应力—应变关系曲线形状相似,具有明显的弹性阶段和塑性阶段。
In various conditions, the failure characteristics are almost the same and all the stress-strain curves are similar with obvious elastic phase and plastic phase.
本文简单分析了砼裂缝类型及成因,并通过水泥砂浆抗塑性干缩开裂试验说明聚丙烯纤维在水泥基材料抗塑性干缩开裂能力方面的作用。
This text has analyzed the concrete crack type and the cause of the crack in brief, and given an experiment on the cement sa.
通过测定不同新拌水泥浆体的剪切应力、屈服应力、塑性粘度等流变参数,绘制流变曲线,分析含不同高效减水剂的新拌水泥浆体的触变性。
Mapping rheogram and analyzing thixotropy of fresh cement paste with different superplasticizers by measuring the rheologic parameters such as shearing stress, yield stress and plastic viscosity.
盐层的塑性流动对井筒完整性是巨大的威胁,会对水泥环、套管造成破坏。
One unique threat to well integrity from salt zones is plastic flow.
采用自行研制的水泥砂浆塑性收缩应力测试装置和非接触式测长装置,分别研究了低掺量的聚丙烯纤维对水泥砂浆塑性收缩应力和塑性收缩率的影响。
The effects of polypropylene fiber on the plastic shrinkage stress and plastic shrinkage ratio of the mortars were investigated by use of a self-designed measuring device.
采用线弹塑性荷载传递函数,按极限承载力控制法确定水泥搅拌桩的有效桩长。
According to the ultimate bearing capacity control method, the effective length of a cement-mixed pile is calculated with the linear elastic-plastic load transfer function.
开裂应力测定装置测试了水泥砂浆、混凝土塑性抗拉强度和塑性收缩开裂应力。
The paper states that the plastic cracks after shaped the pumping concreting divides into plastic settlement crack and plastic shrinkage crack.
开裂应力测定装置测试了水泥砂浆、混凝土塑性抗拉强度和塑性收缩开裂应力。
The paper states that the plastic cracks after shaped the pumping concreting divides into plastic settlement crack and plastic shrinkage crack.
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