After seawater immersion, the fracture energy and strength of mortar decreased significantly.
海水浸泡后砂浆断裂能及强度显著降低。
But off ash gas can make the mortar more compaction and be propitious to the early strength of mortar.
烟气灰能使水泥砂浆的密实性提高，对水泥砂浆的早期强度有利。
The composite role of the fibers and rubber powder makes the decline trend of strength of mortar slow.
纤维和胶粉的复合作用使砂浆的强度下降趋势减慢。
So too, the thickness of the surface strength high mortar are inappropriate.
因此厚度过大的面层、强度过高的砂浆都是不适当的。
Addition of silica fume into the mix will result in increasing the workability and strength of cement mortar and decreasing the expansion.
同时掺加硅灰还能够提高掺玻璃纤维高钙粉煤灰水泥砂浆的和易性和强度，并减小其膨胀。
This paper delivered the relationships of uniaxial tensile and compressive stress with strain and bending properties, and felt-bending strength of cement mortar with polyvinyl acetate (PVAC).
研究掺聚醋酸乙烯水泥砂浆的轴拉和轴压应力—应变关系、抗弯性能以及长期粘结抗弯强度。
The results show that the interfacial bond strength of different embedding lengths in M30 mortar almost is a constant 3.
试验表明：在M 30砂浆中，纤维不同埋置长度的界面粘结强度基本为一常数3。
The research results show that the steel fiber can improve remarkably the strength of the phosphate cement mortar, reduce its shrinkage and enhance its abrasiveness.
研究结果表明，掺入钢纤维可显著提高磷酸镁水泥砂浆的强度，降低砂浆的收缩率及提高砂浆的耐磨性能；
The bond strength of polymer(PAE) cement mortar with double booked steel fiber is the highest.
聚合物水泥砂浆与双肢钢纤维的粘结强度最大。
With increasing of modified EPS powders size, the segregation phenomenon of mortar became seriously, water retention, workability and bending strength decreased.
随着EPS颗粒粒径的增大，砂浆的分层度增大，保水性、和易性及抗折强度降低。
The test results indicated that the bond splitting tensile strength of modified fly ash mortar was best in joint materials of sorts.
试验结果表明，各种接缝面材料中，粉煤灰改性砂浆的劈裂抗拉强度最大，效果最好。
The adhesion strength of hydroxyethyl methyl cellulose modified mortar and ethylene copolymer modified mortar were studied at different curing condition.
研究了羟乙基甲基纤维素和乙烯基共聚物两种聚合物干粉改性砂浆在不同养护条件下的粘结抗拉强度。
This paper researched the influence of different humidity in penetration resistance method used in testing compressive strength of masonry mortar, it also put forward the revision measures.
本文对不同潮湿程度对贯入法检测砌筑砂浆抗压强度的影响进行了研究，提出了修正方法。
The influence of different contents of slag, fly ash and zeolite powers on the strength of alite-calcium barium sulphoaluminate cement mortar is investigated, and the reaction mechanism is discussed.
研究不同掺量的矿渣、粉煤灰和沸石粉对阿利特-硫铝酸钡钙水泥砂浆强度的影响规律，并对其反应机理进行探讨。
The study results indicate that there is a soil liner shell outside the mortar liner shell, and the shear strength of the soil liner is obviously higher than the undisturbed soil.
研究结果表明，砂浆衬砌外侧存在一个抗剪强度明显高于原状土体的土质外衬。
The result shows that both early compressive and flexural strength of the polymer modified mortar are low, but the late strength increases steadily.
结果表明：改性砂浆早期抗压和抗折强度较低，后期强度有较大持续的增长；
A formula is provided to calculate the compressive capacity of concrete block masonry when the mortar strength is very low.
提出了适用于砂浆强度很低的灌孔砌块砌体的抗压强度计算公式。
For testing compressive strength of cement and mortar. It is easy operating and can connect with computer.
本试验机适用于检测水泥、砂浆等材料的抗压强度，操作简单，可以与电脑联网。
Effects of the activity of ground-strontium slag as cement admixture were analyzed from three aspects: mortar strength value, compressive strength ratio of mortar and specific strength indicators.
分别从胶砂强度值、胶砂抗压强度比和比强度指标三方面分析磨细锶渣作为水泥掺合料的活性效应。
The polyacrylic fiber resists the stresses of cement shrinking in different directions to raise the strength of solidified waterproof mortar and raise the fireproof limit.
聚丙烯纤维在各个方向上对抗着水泥收缩的应力，因此提高了防水砂浆凝固后的强度，同时具有提高耐火极限的作用。
Aiming at these defects, a kind of special mortar for plastering aerated concrete with good workability, good water retention, high bonding strength and low shrinkage ratio has been prepared.
针对这些缺陷，研制了一种和易性好、保水性好、粘结强度高、收缩率低，适合加气混凝土抹灰用的砂浆。
The result shows that the flexural strength of cement mortar reduces greatly by adding hydroxyethyl methyl cellulose, while adding vinyl co-polymer the strength can increase considerably.
结果表明，掺加羟乙基甲基纤维素会明显降低水泥砂浆抗折强度，而掺加乙烯基共聚物则能显著提高水泥砂浆抗折强度；
As the stone waste powder had less the active ingredient, Using the stone waste powder to replace small or all of fly ash would reduce the later strength of the mortar.
由于废石粉中活性成分较少，所以用废石粉部分或全部取代粉煤灰时，会使砂浆后期强度降低。
The tests show part of the waste stone dust instead of sand can improve workability of mortar, reduce mortar contraction and increase compression strength. It is of advantage for construction.
试验表明，废石粉部分取代砂，可以改善砂浆的和易性，减少砂浆收缩，提高抗压强度并有利施工。
Fracture energy, strength, shrinkage and expansion properties of cement mortar are studied under different moisture content and surface tension solutions.
以水泥砂浆为研究对象，对不同水分含量及不同表面张力溶液下砂浆的断裂能、强度及收缩膨胀性能进行了研究。
The research investigates the workability and strength of paste and mortar, which were mixed with magnetic water.
本文主要研究了磁化水对水泥砂浆和净浆性能的影响。
Without shear resistant connection in slabs, the shear strength of the graded tailing paste mortar is more than that of high-density tailing mortar.
无抗剪联接条件下，分级尾砂膏体梁拼板试件的抗剪强度，大于高浓度砂浆梁拼板试件的抗剪强度。
The results show that the addition of composite micro-aggregates to concrete can improve the structure of the mortar and interface, and greatly increase the compressive strength of concrete.
结果表明，掺加上述微细集料可以有效地改善混凝土中水泥浆及界面结构，显著提高混凝土强度。
The influence of curing age on concrete strength has had a ripe research, but on mortar strength not perfect.
养护龄期对混凝土强度影响的研究已十分成熟，但是养护龄期对砂浆强度的影响研究并不完善。
The influence of curing age on concrete strength has had a ripe research, but on mortar strength not perfect.
养护龄期对混凝土强度影响的研究已十分成熟，但是养护龄期对砂浆强度的影响研究并不完善。
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