普通砂浆

具体研究内容如下：首先，普通砂浆的配合比设计方法。

Specific researches as follows : First , the mix proportion design method of normal mortar .

新型墙体材料的广泛使用使得传统普通砂浆的局限性凸现。

The deficiency of traditional cement mortar is exposed when the new walling materials were used broadly .

试验结果表明粘结砂浆的各项性能相比普通砂浆有了很大程度的提高。最后本文通过扫描电镜（SEM）对粘结砂浆进行了微观分析以及改性机理研究。

The results show that the performance of bonding mortar has improved largely compared with ordinary mortar . Finally , this paper made a study on microscopic analysis and modification mechanism of bonding mortar by SEM .

而要与普通砂浆试件达到相同的强度级别，掺入橡胶集料的试件需适当降低水灰比。适量掺入橡胶集料可以提高砂浆试件的抗腐蚀系数，改善其抗腐蚀性能。

It is showed that adding rubber crumbs into mortar will raise the anti-corrosion coefficient and improve the resistance to chlorine salt corrosion .

该方法不考虑粉煤灰的减水作用，用水量选取按照普通砂浆的标准。

This method does not consider the water-reducing effect of flyash , and the water consumption is decided according to the standard of normal mortar .

与普通砂浆相比，聚合物砂浆具有许多优良的性能，因此研究和发展聚合物砂浆具有现实意义。

In comparison with ordinary cement mortar , polymer modified mortar has lots of advantages so that polymer modified mortar should be further studied and developed .

有效地解决了北方地区，加气混凝土砌块与普通砂浆间因导热系数相差较大，使墙体产生冷桥和结露等现象。

Effectively solve the northern region , between aerated concrete block and ordinary mortar difference large thermal conductivity , due to the wall have a " cold bridge " and condensation phenomena .

在配制轻砂混凝土时，轻骨料的强度往往小于普通砂浆的强度，这时轻砂混凝土的强度主要取决于轻粗骨料的强度。

When preparing light sand concrete , the strength of light weight aggregate concrete is always less than normal mortar strength , light sand concrete strength depends on the strength of the light coarse aggregate .

利用磁选粉煤灰和钢渣，采用制备普通砂浆的工艺制备的废渣砂浆价格非常低廉。

Using the magnetic fly ash and steel slag as the conductive materials , the price of the waste mortar , which is made by the technique in making normal mortar , is very low .

本文在分析普通砂浆锚杆结构及其工作原理的基础，将承受围岩应力的锚杆托板简化为承受均布荷载的简支圆环板的力学模型。

The paper analyses the structure and the principle of the common mortar bolt , and simplifies the bearing plate which supported by the wall-rock stress to the mechanical model of the simple annular plate which supported uniformly distributed loading .

然而由于普通砂浆的保水性能不能适应加气混凝土的吸水性能，加气混凝土抹灰层经常出现开裂现象，这阻碍了加气混凝土的广泛应用。

It has many merits , but the retention-water performance of common mortar isn 't suit to the aerated concrete 's absorption-water performance , so the plaster layer of aerated concrete often exists cracking , which limits aerated concrete 's application extensively .

经过30次冻融循环后，普通砂浆的抗折强度损失了28.9%，单掺聚合物胶粉1.5%，抗折强度损失了12.8%；双掺聚合物胶粉和聚丙烯腈纤维时，抗折强度只损失了7.8%-10.1%。

After 30 freeze-thaw cycles , the flexural strength lost 28.9 % of ordinary mortar , 12.8 % of mortar single-doped polymer gelatine powder with 1.5 % dosage , while just 7.8 % - 10.1 % of mortar double-doped polymer gelatine powder and PAN fiber .

聚合物胶粉和聚丙烯腈纤维可减小砂浆的干缩率和提高砂浆的抗冻性能，相对于普通砂浆，聚合物砂浆和纤维聚合物砂浆的干缩率分别降低了16.7%，25.1%。

Polymer gelatine powder and PAN fiber could also reduce the dry-shrinkage rate and improve the frost resistance of mortar . The dry-shrinkage rate reduced by 16.7 % of the polymer mortar while 25.1 % of the fiber polymer mortar , compared with ordinary mortar .

利用聚合物对普通砂浆进行改性是目前解决新型墙体材料与砂浆之间粘结不良问题，提高砌体抗剪强度，延缓和限制砌体开裂的有效方法之一。

It 's one of the effective methods that could improve the poor bond performance between new type walling materials and mortar , increase the shear strength of masonry , lag and restrict crack of masonry by using polymer to amend the bond property of the ordinary mortar .

本文研究了聚合物水泥砂浆（PCM）与普通水泥砂浆之间的粘接强度。

The adhesion strength development between PCM and commen cement mortar has been studied in this test .

计算发现：随着龄期的增加，聚合物改性砂浆的σITZ/σm的比值在最初3d内由5～9迅速降低到3左右，以后基本保持恒定，这与普通水泥砂浆的不同。

The values of σ _ ( ITZ ) / σ _ ( m ) for polymer-modified mortars decreased rapidly from 5 & 9 to about 3 within the first 3 d and then stays almost constant , which are different from the ordinary cement mortars .

在普通水泥砂浆中加入硅丙乳液配制成聚合物改性水泥砂浆（PMC），并对其性能和微观结构进行了研究。

Polymer modified cement mortar ( PMC ) was formed by adding siloxane / acrylate copolymeric emulsion in the Portland cement mortar . The mechanical properties and the micro structure of PMC were investigated .

普通水泥砂浆粘结强度低、抗渗性能差、抗拉强度低。

The ordinary cement mortar has disadvantages , such as low adhesive strength , bad seepage - proof and low tensile strength .

通过对试验数据的对比分析可以看出，轻质防火隔热浆料复合外保温体系与普通水泥砂浆的对火反应性能基本相同。

Comparison on the test data indicates that both this system and the ordinary mortar nearly have the identified reactive performance against fire .

通过在普通水泥砂浆中掺入聚合物，可以配制出施工和易性好、粘结强度高、抗裂性优良的聚合物改性砂浆。

By adding polymer into the ordinary cement mortar , the polymer-modified mortar has good amiable quality , excellent binding performance , superior crack resistance .

聚合物水泥砂浆混凝土与普通水泥砂浆混凝土相比具有不易遭受腐蚀和固化后各种性能优异的特点，倍受青睐。

The polymer / cement concrete composite has many more advantages such as corrosion-resistance , excellent solidified properties and so on than that of normal cement concrete .

结果表明，由于轻质防火隔热浆料复合外保温体系采用了耐火砂浆，与相同状态普通水泥砂浆的对火反应性能是相同的。

The results show that since fireproof mortar is used in this system , it presents a same reacting performance to fire as that of ordinary mortar under identified conditions .

实验证明，在同水灰比条件下，普通水泥砂浆中加入一定量的Y形纤维比加入普通纤维的增强效果好。

Tests proved that at the same water-cement ratio , reinforcing effects of ordinary cement mortar with a certain addition of Y-shape fibers were more than those of ordinary fibers .

指出专用砌筑砂浆及注芯混凝土不仅质量可靠、施工方便，而且成本分别比普通砌筑砂浆及商品混凝土低。

It points out the special laying mortar and core casting concrete not only has reliable quality and easily construction , but also has cost lower than ordinary laying mortar and commercial concrete separately .

结果表明，粉煤灰砌筑干粉砌体的受压性能与普通水泥砂浆砌体基本相同，在砌体结构中可用粉煤灰砌筑干粉砂浆代替水泥砂浆。

The results indicate that the compressive performance of fly ash mortar masonry is the same with that of normal mortar masonry . The fly ash mortar can replace the cement mortar in the masonry structure .

聚合物改性水泥砂浆的抗拉强度、粘结强度、抗渗和抗碳化性能明显优于普通水泥砂浆，适宜混凝土结构表面的补强和修补。

The tensile strength , bonding strength , impervious and the anti-carbonized performance of polymer modified cement mortar surpasses the ordinary cement obviously and it is suitable the concrete structure surface makes up strong and patching .

研究了乳化沥青改性水泥砂浆的力学性能试验，并对其试验结果作了分析，表明了乳化沥青改性水泥砂浆比普通水泥砂浆的力学性能有了较大的改善。

It researches mechanical property of emulsion asphalt modified cement sand pulp , then analyzes its experimental result , it indicates mechanical property of emulsion asphalt modified cement sand pulp has large improvement comparing with common cement sand pulp .

使用保水性及和易性较差的普通水泥砂浆，砂浆的干燥收缩值与砌块的干燥收缩值存在较大的差异，而且砂浆和砌块的粘结强度较低。

The water preserving capability and workability of mortar are poor , so the shrinkage difference between mortar and blocks is bigger and the felt strength between mortar and blocks is lower . According to the large numbers survey of the cracks .

当橡胶粉掺量为25%（体积分数）时，水泥砂浆的隔声功能最佳，其固有频率与普通水泥砂浆相比降低了17%，而动弹性模量则降低了40%。

The experiments present that the cement mortar with 25 % ( volume fraction ) of crumb rubber is most suitable for sound insulation function , which has a reduction of natural frequency by 17 % and dynamic elastic modulus by 40 % comparing with ordinary cement mortar .

掺入环氧乳液后，改性水泥砂浆的密度小于普通水泥砂浆，产生较多的气泡；吸水率与收缩率明显下降，凝结时间延缓。

Besides , after being mixed , the density of the modified cement mortar is less than that of benchmark mortar ; meanwhile , more bubbles are produced . After mixed with waterborne epoxy emulsion , the rate of bibulous and shrinkage decrease obviously , the setting time delay .